diff options
Diffstat (limited to 'libc/sysdeps/linux/mips')
80 files changed, 2112 insertions, 1216 deletions
diff --git a/libc/sysdeps/linux/mips/Makefile.arch b/libc/sysdeps/linux/mips/Makefile.arch index da5ca1e0f..2c2e66fbb 100644 --- a/libc/sysdeps/linux/mips/Makefile.arch +++ b/libc/sysdeps/linux/mips/Makefile.arch @@ -5,14 +5,20 @@ # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. # -CSRC := \ - __longjmp.c brk.c setjmp_aux.c mmap.c __syscall_error.c \ - cacheflush.c pread_write.c sysmips.c _test_and_set.c sigaction.c \ - readahead.c posix_fadvise.c posix_fadvise64.c +CSRC-y := \ + __longjmp.c brk.c setjmp_aux.c \ + pread_write.c sigaction.c _test_and_set.c -SSRC := bsd-_setjmp.S bsd-setjmp.S setjmp.S clone.S syscall.S pipe.S +SSRC-y := bsd-_setjmp.S bsd-setjmp.S setjmp.S syscall.S pipe.S syscall_error.S + +CSRC-$(UCLIBC_LINUX_SPECIFIC) += cacheflush.c sysmips.c +CSRC-$(UCLIBC_HAS_ADVANCED_REALTIME) += posix_fadvise.c +CSRC-$(if $(findstring yy,$(UCLIBC_HAS_LFS)$(UCLIBC_HAS_ADVANCED_REALTIME)),y) += posix_fadvise64.c +SSRC-$(if $(UCLIBC_HAS_THREADS_NATIVE),,y) += vfork.S clone.S +SSRC-$(UCLIBC_HAS_CONTEXT_FUNCS) += makecontext.S setcontext.S getcontext.S \ + swapcontext.S + +ASFLAGS-syscall_error.S += -D_LIBC_REENTRANT ARCH_HEADERS := sgidefs.h # regdef.h - -include $(top_srcdir)libc/sysdeps/linux/Makefile.commonarch diff --git a/libc/sysdeps/linux/mips/__longjmp.c b/libc/sysdeps/linux/mips/__longjmp.c index 9dc09f27a..aa94f76fa 100644 --- a/libc/sysdeps/linux/mips/__longjmp.c +++ b/libc/sysdeps/linux/mips/__longjmp.c @@ -13,9 +13,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #include <features.h> #include <setjmp.h> @@ -102,13 +101,13 @@ void __longjmp (__jmp_buf env, int val_arg) /* Restore the stack pointer and the FP. They have to be restored last and in a single asm as gcc, depending on options used, may use either of them to access env. */ -#if _MIPS_SIM == _MIPS_SIM_ABI64 +#if _MIPS_SIM != _MIPS_SIM_ABI32 __asm__ __volatile__ ("ld $29, %0\n\t" "ld $30, %1\n\t" : : "m" (env[0].__sp), "m" (env[0].__fp)); -#else /* O32 || N32 */ +#else /* O32 */ __asm__ __volatile__ ("lw $29, %0\n\t" "lw $30, %1\n\t" : : "m" (env[0].__sp), "m" (env[0].__fp)); -#endif /* O32 || N32 */ +#endif /* O32 */ /* Give setjmp 1 if given a 0, or what they gave us if non-zero. */ if (val == 0) diff --git a/libc/sysdeps/linux/mips/_test_and_set.c b/libc/sysdeps/linux/mips/_test_and_set.c index 9fd48f753..2ed874c86 100644 --- a/libc/sysdeps/linux/mips/_test_and_set.c +++ b/libc/sysdeps/linux/mips/_test_and_set.c @@ -13,9 +13,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ /* Define the real-function versions of all inline functions defined in sys/tas.h */ diff --git a/libc/sysdeps/linux/mips/bits/atomic.h b/libc/sysdeps/linux/mips/bits/atomic.h index ca53d3842..e4f9e3b73 100644 --- a/libc/sysdeps/linux/mips/bits/atomic.h +++ b/libc/sysdeps/linux/mips/bits/atomic.h @@ -13,9 +13,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _MIPS_BITS_ATOMIC_H #define _MIPS_BITS_ATOMIC_H 1 @@ -49,6 +48,32 @@ typedef uintmax_t uatomic_max_t; # define MIPS_SYNC sync #endif +/* Certain revisions of the R10000 Processor need an LL/SC Workaround + enabled. Revisions before 3.0 misbehave on atomic operations, and + Revs 2.6 and lower deadlock after several seconds due to other errata. + + To quote the R10K Errata: + Workaround: The basic idea is to inhibit the four instructions + from simultaneously becoming active in R10000. Padding all + ll/sc sequences with nops or changing the looping branch in the + routines to a branch likely (which is always predicted taken + by R10000) will work. The nops should go after the loop, and the + number of them should be 28. This number could be decremented for + each additional instruction in the ll/sc loop such as the lock + modifier(s) between the ll and sc, the looping branch and its + delay slot. For typical short routines with one ll/sc loop, any + instructions after the loop could also count as a decrement. The + nop workaround pollutes the cache more but would be a few cycles + faster if all the code is in the cache and the looping branch + is predicted not taken. */ + + +#ifdef _MIPS_ARCH_R10000 +#define R10K_BEQZ_INSN "beqzl" +#else +#define R10K_BEQZ_INSN "beqz" +#endif + #define MIPS_SYNC_STR_2(X) #X #define MIPS_SYNC_STR_1(X) MIPS_SYNC_STR_2(X) #define MIPS_SYNC_STR MIPS_SYNC_STR_1(MIPS_SYNC) @@ -58,10 +83,10 @@ typedef uintmax_t uatomic_max_t; in which values are returned. */ #define __arch_compare_and_exchange_xxx_8_int(mem, newval, oldval, rel, acq) \ - (abort (), __prev = __cmp = 0) + (abort (), __prev = 0, __cmp = 0) #define __arch_compare_and_exchange_xxx_16_int(mem, newval, oldval, rel, acq) \ - (abort (), __prev = __cmp = 0) + (abort (), __prev = 0, __cmp = 0) #define __arch_compare_and_exchange_xxx_32_int(mem, newval, oldval, rel, acq) \ __asm__ __volatile__ ( \ @@ -69,23 +94,23 @@ typedef uintmax_t uatomic_max_t; MIPS_PUSH_MIPS2 \ rel "\n" \ "1:\t" \ - "ll %0,%4\n\t" \ + "ll %0,%5\n\t" \ "move %1,$0\n\t" \ - "bne %0,%2,2f\n\t" \ - "move %1,%3\n\t" \ - "sc %1,%4\n\t" \ - "beqz %1,1b\n" \ + "bne %0,%3,2f\n\t" \ + "move %1,%4\n\t" \ + "sc %1,%2\n\t" \ + R10K_BEQZ_INSN" %1,1b\n" \ acq "\n\t" \ ".set pop\n" \ "2:\n\t" \ - : "=&r" (__prev), "=&r" (__cmp) \ + : "=&r" (__prev), "=&r" (__cmp), "=m" (*mem) \ : "r" (oldval), "r" (newval), "m" (*mem) \ : "memory") #if _MIPS_SIM == _ABIO32 /* We can't do an atomic 64-bit operation in O32. */ #define __arch_compare_and_exchange_xxx_64_int(mem, newval, oldval, rel, acq) \ - (abort (), __prev = __cmp = 0) + (abort (), __prev = 0, __cmp = 0) #else #define __arch_compare_and_exchange_xxx_64_int(mem, newval, oldval, rel, acq) \ __asm__ __volatile__ ("\n" \ @@ -93,16 +118,16 @@ typedef uintmax_t uatomic_max_t; MIPS_PUSH_MIPS2 \ rel "\n" \ "1:\t" \ - "lld %0,%4\n\t" \ + "lld %0,%5\n\t" \ "move %1,$0\n\t" \ - "bne %0,%2,2f\n\t" \ - "move %1,%3\n\t" \ - "scd %1,%4\n\t" \ - "beqz %1,1b\n" \ + "bne %0,%3,2f\n\t" \ + "move %1,%4\n\t" \ + "scd %1,%2\n\t" \ + R10K_BEQZ_INSN" %1,1b\n" \ acq "\n\t" \ ".set pop\n" \ "2:\n\t" \ - : "=&r" (__prev), "=&r" (__cmp) \ + : "=&r" (__prev), "=&r" (__cmp), "=m" (*mem) \ : "r" (oldval), "r" (newval), "m" (*mem) \ : "memory") #endif @@ -110,22 +135,22 @@ typedef uintmax_t uatomic_max_t; /* For all "bool" routines, we return FALSE if exchange succesful. */ #define __arch_compare_and_exchange_bool_8_int(mem, new, old, rel, acq) \ -({ typeof (*mem) __prev; int __cmp; \ +({ __typeof (*mem) __prev attribute_unused; int __cmp; \ __arch_compare_and_exchange_xxx_8_int(mem, new, old, rel, acq); \ !__cmp; }) #define __arch_compare_and_exchange_bool_16_int(mem, new, old, rel, acq) \ -({ typeof (*mem) __prev; int __cmp; \ +({ __typeof (*mem) __prev attribute_unused; int __cmp; \ __arch_compare_and_exchange_xxx_16_int(mem, new, old, rel, acq); \ !__cmp; }) #define __arch_compare_and_exchange_bool_32_int(mem, new, old, rel, acq) \ -({ typeof (*mem) __prev; int __cmp; \ +({ __typeof (*mem) __prev attribute_unused; int __cmp; \ __arch_compare_and_exchange_xxx_32_int(mem, new, old, rel, acq); \ !__cmp; }) #define __arch_compare_and_exchange_bool_64_int(mem, new, old, rel, acq) \ -({ typeof (*mem) __prev; int __cmp; \ +({ __typeof (*mem) __prev attribute_unused; int __cmp; \ __arch_compare_and_exchange_xxx_64_int(mem, new, old, rel, acq); \ !__cmp; }) @@ -133,24 +158,24 @@ typedef uintmax_t uatomic_max_t; successful or not. */ #define __arch_compare_and_exchange_val_8_int(mem, new, old, rel, acq) \ -({ typeof (*mem) __prev; int __cmp; \ +({ __typeof (*mem) __prev attribute_unused; int __cmp attribute_unused; \ __arch_compare_and_exchange_xxx_8_int(mem, new, old, rel, acq); \ - (typeof (*mem))__prev; }) + (__typeof (*mem))__prev; }) #define __arch_compare_and_exchange_val_16_int(mem, new, old, rel, acq) \ -({ typeof (*mem) __prev; int __cmp; \ +({ __typeof (*mem) __prev attribute_unused; int __cmp attribute_unused; \ __arch_compare_and_exchange_xxx_16_int(mem, new, old, rel, acq); \ - (typeof (*mem))__prev; }) + (__typeof (*mem))__prev; }) #define __arch_compare_and_exchange_val_32_int(mem, new, old, rel, acq) \ -({ typeof (*mem) __prev; int __cmp; \ +({ __typeof (*mem) __prev attribute_unused; int __cmp attribute_unused; \ __arch_compare_and_exchange_xxx_32_int(mem, new, old, rel, acq); \ - (typeof (*mem))__prev; }) + (__typeof (*mem))__prev; }) #define __arch_compare_and_exchange_val_64_int(mem, new, old, rel, acq) \ -({ typeof (*mem) __prev; int __cmp; \ +({ __typeof (*mem) __prev attribute_unused; int __cmp attribute_unused; \ __arch_compare_and_exchange_xxx_64_int(mem, new, old, rel, acq); \ - (typeof (*mem))__prev; }) + (__typeof (*mem))__prev; }) /* Compare and exchange with "acquire" semantics, ie barrier after. */ @@ -183,20 +208,20 @@ typedef uintmax_t uatomic_max_t; (abort (), 0) #define __arch_exchange_xxx_32_int(mem, newval, rel, acq) \ -({ typeof (*mem) __prev; int __cmp; \ +({ __typeof (*mem) __prev; int __cmp; \ __asm__ __volatile__ ("\n" \ ".set push\n\t" \ MIPS_PUSH_MIPS2 \ rel "\n" \ "1:\t" \ - "ll %0,%3\n\t" \ - "move %1,%2\n\t" \ - "sc %1,%3\n\t" \ - "beqz %1,1b\n" \ + "ll %0,%4\n\t" \ + "move %1,%3\n\t" \ + "sc %1,%2\n\t" \ + R10K_BEQZ_INSN" %1,1b\n" \ acq "\n\t" \ ".set pop\n" \ "2:\n\t" \ - : "=&r" (__prev), "=&r" (__cmp) \ + : "=&r" (__prev), "=&r" (__cmp), "=m" (*mem) \ : "r" (newval), "m" (*mem) \ : "memory"); \ __prev; }) @@ -207,20 +232,20 @@ typedef uintmax_t uatomic_max_t; (abort (), 0) #else #define __arch_exchange_xxx_64_int(mem, newval, rel, acq) \ -({ typeof (*mem) __prev; int __cmp; \ +({ __typeof (*mem) __prev; int __cmp; \ __asm__ __volatile__ ("\n" \ ".set push\n\t" \ MIPS_PUSH_MIPS2 \ rel "\n" \ "1:\n" \ - "lld %0,%3\n\t" \ - "move %1,%2\n\t" \ - "scd %1,%3\n\t" \ - "beqz %1,1b\n" \ + "lld %0,%4\n\t" \ + "move %1,%3\n\t" \ + "scd %1,%2\n\t" \ + R10K_BEQZ_INSN" %1,1b\n" \ acq "\n\t" \ ".set pop\n" \ "2:\n\t" \ - : "=&r" (__prev), "=&r" (__cmp) \ + : "=&r" (__prev), "=&r" (__cmp), "=m" (*mem) \ : "r" (newval), "m" (*mem) \ : "memory"); \ __prev; }) @@ -236,26 +261,26 @@ typedef uintmax_t uatomic_max_t; /* Atomically add value and return the previous (unincremented) value. */ #define __arch_exchange_and_add_8_int(mem, newval, rel, acq) \ - (abort (), (typeof(*mem)) 0) + (abort (), (__typeof(*mem)) 0) #define __arch_exchange_and_add_16_int(mem, newval, rel, acq) \ - (abort (), (typeof(*mem)) 0) + (abort (), (__typeof(*mem)) 0) #define __arch_exchange_and_add_32_int(mem, value, rel, acq) \ -({ typeof (*mem) __prev; int __cmp; \ +({ __typeof (*mem) __prev; int __cmp; \ __asm__ __volatile__ ("\n" \ ".set push\n\t" \ MIPS_PUSH_MIPS2 \ rel "\n" \ "1:\t" \ - "ll %0,%3\n\t" \ - "addu %1,%0,%2\n\t" \ - "sc %1,%3\n\t" \ - "beqz %1,1b\n" \ + "ll %0,%4\n\t" \ + "addu %1,%0,%3\n\t" \ + "sc %1,%2\n\t" \ + R10K_BEQZ_INSN" %1,1b\n" \ acq "\n\t" \ ".set pop\n" \ "2:\n\t" \ - : "=&r" (__prev), "=&r" (__cmp) \ + : "=&r" (__prev), "=&r" (__cmp), "=m" (*mem) \ : "r" (value), "m" (*mem) \ : "memory"); \ __prev; }) @@ -263,23 +288,23 @@ typedef uintmax_t uatomic_max_t; #if _MIPS_SIM == _ABIO32 /* We can't do an atomic 64-bit operation in O32. */ #define __arch_exchange_and_add_64_int(mem, value, rel, acq) \ - (abort (), (typeof(*mem)) 0) + (abort (), (__typeof(*mem)) 0) #else #define __arch_exchange_and_add_64_int(mem, value, rel, acq) \ -({ typeof (*mem) __prev; int __cmp; \ +({ __typeof (*mem) __prev; int __cmp; \ __asm__ __volatile__ ( \ ".set push\n\t" \ MIPS_PUSH_MIPS2 \ rel "\n" \ "1:\t" \ - "lld %0,%3\n\t" \ - "daddu %1,%0,%2\n\t" \ - "scd %1,%3\n\t" \ - "beqz %1,1b\n" \ + "lld %0,%4\n\t" \ + "daddu %1,%0,%3\n\t" \ + "scd %1,%2\n\t" \ + R10K_BEQZ_INSN" %1,1b\n" \ acq "\n\t" \ ".set pop\n" \ "2:\n\t" \ - : "=&r" (__prev), "=&r" (__cmp) \ + : "=&r" (__prev), "=&r" (__cmp), "=m" (*mem) \ : "r" (value), "m" (*mem) \ : "memory"); \ __prev; }) diff --git a/libc/sysdeps/linux/mips/bits/dirent.h b/libc/sysdeps/linux/mips/bits/dirent.h index 014e011c9..65c9fc603 100644 --- a/libc/sysdeps/linux/mips/bits/dirent.h +++ b/libc/sysdeps/linux/mips/bits/dirent.h @@ -12,9 +12,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _DIRENT_H # error "Never use <bits/dirent.h> directly; include <dirent.h> instead." diff --git a/libc/sysdeps/linux/mips/bits/dlfcn.h b/libc/sysdeps/linux/mips/bits/dlfcn.h index 1f054f979..c19c166e3 100644 --- a/libc/sysdeps/linux/mips/bits/dlfcn.h +++ b/libc/sysdeps/linux/mips/bits/dlfcn.h @@ -14,9 +14,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _DLFCN_H # error "Never use <bits/dlfcn.h> directly; include <dlfcn.h> instead." @@ -27,7 +26,9 @@ #define RTLD_NOW 0x0002 /* Immediate function call binding. */ #define RTLD_BINDING_MASK 0x3 /* Mask of binding time value. */ #define RTLD_NOLOAD 0x00008 /* Do not load the object. */ +#if 0 /* uClibc doesnt support these */ #define RTLD_DEEPBIND 0x00010 /* Use deep binding. */ +#endif /* If the following bit is set in the MODE argument to `dlopen', the symbols of the loaded object and its dependencies are made diff --git a/libc/sysdeps/linux/mips/bits/epoll.h b/libc/sysdeps/linux/mips/bits/epoll.h new file mode 100644 index 000000000..4c6eb3bb7 --- /dev/null +++ b/libc/sysdeps/linux/mips/bits/epoll.h @@ -0,0 +1,29 @@ +/* Copyright (C) 2002-2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _SYS_EPOLL_H +# error "Never use <bits/epoll.h> directly; include <sys/epoll.h> instead." +#endif + +/* Flags to be passed to epoll_create1. */ +enum + { + EPOLL_CLOEXEC = 02000000, +#define EPOLL_CLOEXEC EPOLL_CLOEXEC + EPOLL_NONBLOCK = 00000200 +#define EPOLL_NONBLOCK EPOLL_NONBLOCK + }; diff --git a/libc/sysdeps/linux/mips/bits/eventfd.h b/libc/sysdeps/linux/mips/bits/eventfd.h new file mode 100644 index 000000000..17b2f469e --- /dev/null +++ b/libc/sysdeps/linux/mips/bits/eventfd.h @@ -0,0 +1,31 @@ +/* Copyright (C) 2007-2013 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _SYS_EVENTFD_H +# error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead." +#endif + +/* Flags for eventfd. */ +enum + { + EFD_SEMAPHORE = 00000001, +#define EFD_SEMAPHORE EFD_SEMAPHORE + EFD_CLOEXEC = 02000000, +#define EFD_CLOEXEC EFD_CLOEXEC + EFD_NONBLOCK = 00000200 +#define EFD_NONBLOCK EFD_NONBLOCK + }; diff --git a/libc/sysdeps/linux/mips/bits/fcntl.h b/libc/sysdeps/linux/mips/bits/fcntl.h index 896786943..e7fed9b8a 100644 --- a/libc/sysdeps/linux/mips/bits/fcntl.h +++ b/libc/sysdeps/linux/mips/bits/fcntl.h @@ -14,9 +14,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _FCNTL_H # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead." @@ -51,6 +50,8 @@ # define O_DIRECT 0x8000 /* Direct disk access hint. */ # define O_DIRECTORY 0x10000 /* Must be a directory. */ # define O_NOATIME 0x40000 /* Do not set atime. */ +# define O_CLOEXEC 02000000 /* set close_on_exec */ +# define O_PATH 010000000 /* Resolve pathname but do not open file. */ #endif /* For now Linux has no synchronisity options for data and read operations. @@ -111,6 +112,8 @@ # define F_NOTIFY 1026 /* Request notfications on a directory. */ # define F_DUPFD_CLOEXEC 1030 /* Duplicate file descriptor with close-on-exit set on new fd. */ +# define F_SETPIPE_SZ 1031 /* Set pipe page size array. */ +# define F_GETPIPE_SZ 1032 /* Get pipe page size array. */ #endif /* For F_[GET|SET]FL. */ @@ -209,7 +212,7 @@ struct flock64 #endif -#ifdef __USE_GNU +#if defined __USE_GNU && defined __UCLIBC_LINUX_SPECIFIC__ /* Flags for SYNC_FILE_RANGE. */ # define SYNC_FILE_RANGE_WAIT_BEFORE 1 /* Wait upon writeout of all pages in the range before performing the @@ -232,7 +235,7 @@ struct flock64 __BEGIN_DECLS -#ifdef __USE_GNU +#if defined __USE_GNU && defined __UCLIBC_LINUX_SPECIFIC__ /* Provide kernel hint to read ahead. */ extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count) diff --git a/libc/sysdeps/linux/mips/bits/fenv.h b/libc/sysdeps/linux/mips/bits/fenv.h index 24e0694ca..944101f75 100644 --- a/libc/sysdeps/linux/mips/bits/fenv.h +++ b/libc/sysdeps/linux/mips/bits/fenv.h @@ -12,9 +12,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _FENV_H # error "Never use <bits/fenv.h> directly; include <fenv.h> instead." @@ -69,9 +68,9 @@ typedef struct fenv_t; /* If the default argument is used we use this value. */ -#define FE_DFL_ENV ((__const fenv_t *) -1) +#define FE_DFL_ENV ((const fenv_t *) -1) #ifdef __USE_GNU /* Floating-point environment where none of the exception is masked. */ -# define FE_NOMASK_ENV ((__const fenv_t *) -2) +# define FE_NOMASK_ENV ((const fenv_t *) -2) #endif diff --git a/libc/sysdeps/linux/mips/bits/inotify.h b/libc/sysdeps/linux/mips/bits/inotify.h new file mode 100644 index 000000000..67d648bd9 --- /dev/null +++ b/libc/sysdeps/linux/mips/bits/inotify.h @@ -0,0 +1,29 @@ +/* Copyright (C) 2005-2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _SYS_INOTIFY_H +# error "Never use <bits/inotify.h> directly; include <sys/inotify.h> instead." +#endif + +/* Flags for the parameter of inotify_init1. */ +enum + { + IN_CLOEXEC = 02000000, +#define IN_CLOEXEC IN_CLOEXEC + IN_NONBLOCK = 00000200 +#define IN_NONBLOCK IN_NONBLOCK + }; diff --git a/libc/sysdeps/linux/mips/bits/ioctl-types.h b/libc/sysdeps/linux/mips/bits/ioctl-types.h index a8dcf242d..4d16c706c 100644 --- a/libc/sysdeps/linux/mips/bits/ioctl-types.h +++ b/libc/sysdeps/linux/mips/bits/ioctl-types.h @@ -13,9 +13,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _SYS_IOCTL_H # error "Never use <bits/ioctl-types.h> directly; include <sys/ioctl.h> instead." diff --git a/libc/sysdeps/linux/mips/bits/ipc.h b/libc/sysdeps/linux/mips/bits/ipc.h index 1f629ce66..97a8da032 100644 --- a/libc/sysdeps/linux/mips/bits/ipc.h +++ b/libc/sysdeps/linux/mips/bits/ipc.h @@ -12,9 +12,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _SYS_IPC_H # error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead." diff --git a/libc/sysdeps/linux/mips/bits/kernel_sigaction.h b/libc/sysdeps/linux/mips/bits/kernel_sigaction.h index 5c8454837..65eff7c92 100644 --- a/libc/sysdeps/linux/mips/bits/kernel_sigaction.h +++ b/libc/sysdeps/linux/mips/bits/kernel_sigaction.h @@ -24,25 +24,4 @@ struct old_kernel_sigaction { #endif }; - -#define _KERNEL_NSIG 128 -#define _KERNEL_NSIG_BPW _MIPS_SZLONG -#define _KERNEL_NSIG_WORDS (_KERNEL_NSIG / _KERNEL_NSIG_BPW) - -typedef struct { - unsigned long sig[_KERNEL_NSIG_WORDS]; -} kernel_sigset_t; - -/* This is the sigaction structure from the Linux 2.1.68 kernel. */ -struct kernel_sigaction { - unsigned int sa_flags; - __sighandler_t k_sa_handler; - kernel_sigset_t sa_mask; - void (*sa_restorer)(void); - int s_resv[1]; /* reserved */ -}; - -extern int __syscall_rt_sigaction (int, const struct kernel_sigaction *__unbounded, - struct kernel_sigaction *__unbounded, size_t) attribute_hidden; - #endif diff --git a/libc/sysdeps/linux/mips/bits/kernel_stat.h b/libc/sysdeps/linux/mips/bits/kernel_stat.h index 3161562ea..a2a6169a3 100644 --- a/libc/sysdeps/linux/mips/bits/kernel_stat.h +++ b/libc/sysdeps/linux/mips/bits/kernel_stat.h @@ -1,10 +1,6 @@ #ifndef _BITS_STAT_STRUCT_H #define _BITS_STAT_STRUCT_H -#ifndef _LIBC -#error bits/kernel_stat.h is for internal uClibc use only! -#endif - /* This file provides whatever this particular arch's kernel thinks * struct kernel_stat should look like... It turns out each arch has a * different opinion on the subject... */ @@ -12,6 +8,18 @@ #include <sgidefs.h> #if _MIPS_SIM == _MIPS_SIM_ABI64 +typedef struct { + unsigned int tv_sec; + unsigned int tv_nsec; +} __ktimespec_t; +#else +typedef struct { + time_t tv_sec; + unsigned long tv_nsec; +} __ktimespec_t; +#endif + +#if _MIPS_SIM == _MIPS_SIM_ABI64 /* The memory layout is the same as of struct stat64 of the 32-bit kernel. */ struct kernel_stat { __kernel_dev_t st_dev; @@ -24,12 +32,9 @@ struct kernel_stat { __kernel_dev_t st_rdev; unsigned int st_pad2[3]; __kernel_off_t st_size; - unsigned int st_atime; - unsigned int st_atime_nsec; - unsigned int st_mtime; - unsigned int st_mtime_nsec; - unsigned int st_ctime; - unsigned int st_ctime_nsec; + __ktimespec_t st_atim; + __ktimespec_t st_mtim; + __ktimespec_t st_ctim; unsigned int st_blksize; unsigned int reserved3; unsigned long st_blocks; @@ -48,12 +53,9 @@ struct kernel_stat { unsigned int st_rdev; unsigned int st_pad2[3]; unsigned long long st_size; - unsigned int st_atime; - unsigned int st_atime_nsec; - unsigned int st_mtime; - unsigned int st_mtime_nsec; - unsigned int st_ctime; - unsigned int st_ctime_nsec; + __ktimespec_t st_atim; + __ktimespec_t st_mtim; + __ktimespec_t st_ctim; unsigned int st_blksize; unsigned int reserved3; unsigned long long st_blocks; @@ -72,12 +74,9 @@ struct kernel_stat { long st_pad2[2]; __kernel_off_t st_size; long st_pad3; - time_t st_atime; - long st_atime_nsec; - time_t st_mtime; - long st_mtime_nsec; - time_t st_ctime; - long st_ctime_nsec; + __ktimespec_t st_atim; + __ktimespec_t st_mtim; + __ktimespec_t st_ctim; long st_blksize; long st_blocks; long st_pad4[14]; @@ -94,19 +93,14 @@ struct kernel_stat64 { unsigned long st_rdev; unsigned long st_pad1[3]; /* Reserved for st_rdev expansion */ long long st_size; - time_t st_atime; - unsigned long st_atime_nsec; - time_t st_mtime; - unsigned long st_mtime_nsec; - time_t st_ctime; - unsigned long st_ctime_nsec; + __ktimespec_t st_atim; + __ktimespec_t st_mtim; + __ktimespec_t st_ctim; unsigned long st_blksize; unsigned long st_pad2; long long st_blocks; }; #endif /* O32 */ -#define STAT_HAVE_NSEC 1 - #endif /* _BITS_STAT_STRUCT_H */ diff --git a/libc/sysdeps/linux/mips/bits/kernel_types.h b/libc/sysdeps/linux/mips/bits/kernel_types.h index 9fc3b9672..97faeaca5 100644 --- a/libc/sysdeps/linux/mips/bits/kernel_types.h +++ b/libc/sysdeps/linux/mips/bits/kernel_types.h @@ -32,6 +32,8 @@ typedef int __kernel_gid32_t; typedef __kernel_uid_t __kernel_old_uid_t; typedef __kernel_gid_t __kernel_old_gid_t; typedef __kernel_dev_t __kernel_old_dev_t; +typedef long __kernel_long_t; +typedef unsigned long __kernel_ulong_t; typedef long long __kernel_loff_t; #else typedef unsigned int __kernel_dev_t; @@ -68,6 +70,8 @@ typedef int __kernel_gid32_t; typedef __kernel_uid_t __kernel_old_uid_t; typedef __kernel_gid_t __kernel_old_gid_t; typedef __kernel_dev_t __kernel_old_dev_t; +typedef long __kernel_long_t; +typedef unsigned long __kernel_ulong_t; typedef long long __kernel_loff_t; #endif diff --git a/libc/sysdeps/linux/mips/bits/mathdef.h b/libc/sysdeps/linux/mips/bits/mathdef.h index 331da13a9..6afe20d8a 100644 --- a/libc/sysdeps/linux/mips/bits/mathdef.h +++ b/libc/sysdeps/linux/mips/bits/mathdef.h @@ -13,9 +13,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #if !defined _MATH_H && !defined _COMPLEX_H # error "Never use <bits/mathdef.h> directly; include <math.h> instead" @@ -26,10 +25,9 @@ #if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF # define _MATH_H_MATHDEF 1 -/* Normally, there is no long double type and the `float' and `double' - expressions are evaluated as `double'. */ -typedef double float_t; /* `float' expressions are evaluated as - `double'. */ +/* MIPS has both `float' and `double' arithmetic. */ +typedef float float_t; /* `float' expressions are evaluated as + `float'. */ typedef double double_t; /* `double' expressions are evaluated as `double'. */ diff --git a/libc/sysdeps/linux/mips/bits/mman.h b/libc/sysdeps/linux/mips/bits/mman.h index 47d33933a..ca1497ebc 100644 --- a/libc/sysdeps/linux/mips/bits/mman.h +++ b/libc/sysdeps/linux/mips/bits/mman.h @@ -14,9 +14,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _SYS_MMAN_H # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead." @@ -66,6 +65,8 @@ # define MAP_LOCKED 0x8000 /* pages are locked */ # define MAP_POPULATE 0x10000 /* populate (prefault) pagetables */ # define MAP_NONBLOCK 0x20000 /* do not block on IO */ +# define MAP_UNINITIALIZED 0x4000000 /* For anonymous mmap, memory could + be uninitialized. */ #endif /* Flags to `msync'. */ diff --git a/libc/sysdeps/linux/mips/bits/msq.h b/libc/sysdeps/linux/mips/bits/msq.h index 2b0d38ec8..fe09cfadf 100644 --- a/libc/sysdeps/linux/mips/bits/msq.h +++ b/libc/sysdeps/linux/mips/bits/msq.h @@ -12,9 +12,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _SYS_MSG_H # error "Never use <bits/msq.h> directly; include <sys/msg.h> instead." diff --git a/libc/sysdeps/linux/mips/bits/poll.h b/libc/sysdeps/linux/mips/bits/poll.h index eee4ea253..c653d96e9 100644 --- a/libc/sysdeps/linux/mips/bits/poll.h +++ b/libc/sysdeps/linux/mips/bits/poll.h @@ -12,9 +12,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _SYS_POLL_H # error "Never use <bits/poll.h> directly; include <sys/poll.h> instead." diff --git a/libc/sysdeps/linux/mips/bits/resource.h b/libc/sysdeps/linux/mips/bits/resource.h index 1c8b99a93..b204aefd6 100644 --- a/libc/sysdeps/linux/mips/bits/resource.h +++ b/libc/sysdeps/linux/mips/bits/resource.h @@ -14,9 +14,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _SYS_RESOURCE_H # error "Never use <bits/resource.h> directly; include <sys/resource.h> instead." diff --git a/libc/sysdeps/linux/mips/bits/sem.h b/libc/sysdeps/linux/mips/bits/sem.h index 6282de9cc..4d412a2cb 100644 --- a/libc/sysdeps/linux/mips/bits/sem.h +++ b/libc/sysdeps/linux/mips/bits/sem.h @@ -12,9 +12,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _SYS_SEM_H # error "Never include <bits/sem.h> directly; use <sys/sem.h> instead." diff --git a/libc/sysdeps/linux/mips/bits/setjmp.h b/libc/sysdeps/linux/mips/bits/setjmp.h index 08e74fe0a..51f972e97 100644 --- a/libc/sysdeps/linux/mips/bits/setjmp.h +++ b/libc/sysdeps/linux/mips/bits/setjmp.h @@ -13,9 +13,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _BITS_SETJMP_H #define _BITS_SETJMP_H 1 @@ -26,13 +25,19 @@ #include <sgidefs.h> +#if _MIPS_SIM == _MIPS_SIM_ABI32 +#define __ptr_size void * +#else +#define __ptr_size long long +#endif + typedef struct { /* Program counter. */ - void * __pc; + __ptr_size __pc; /* Stack pointer. */ - void * __sp; + __ptr_size __sp; /* Callee-saved registers s0 through s7. */ #if _MIPS_SIM == _MIPS_SIM_ABI32 @@ -42,10 +47,10 @@ typedef struct #endif /* The frame pointer. */ - void * __fp; + __ptr_size __fp; /* The global pointer. */ - void * __gp; + __ptr_size __gp; /* Floating point status register. */ int __fpc_csr; @@ -58,15 +63,4 @@ typedef struct #endif /* N32 || O32 */ } __jmp_buf[1]; -#ifdef __USE_MISC -/* Offset to the program counter in `jmp_buf'. */ -# define JB_PC 0 -#endif - - -/* Test if longjmp to JMPBUF would unwind the frame - containing a local variable at ADDRESS. */ -#define _JMPBUF_UNWINDS(jmpbuf, address) \ - ((void *) (address) < (void *) (jmpbuf)[0].__sp) - #endif /* bits/setjmp.h */ diff --git a/libc/sysdeps/linux/mips/bits/shm.h b/libc/sysdeps/linux/mips/bits/shm.h index b3083346d..43869b3f4 100644 --- a/libc/sysdeps/linux/mips/bits/shm.h +++ b/libc/sysdeps/linux/mips/bits/shm.h @@ -12,9 +12,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _SYS_SHM_H # error "Never include <bits/shm.h> directly; use <sys/shm.h> instead." diff --git a/libc/sysdeps/linux/mips/bits/sigaction.h b/libc/sysdeps/linux/mips/bits/sigaction.h index d04e25f76..533d45d10 100644 --- a/libc/sysdeps/linux/mips/bits/sigaction.h +++ b/libc/sysdeps/linux/mips/bits/sigaction.h @@ -14,46 +14,30 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _SIGNAL_H # error "Never include <bits/sigaction.h> directly; use <signal.h> instead." #endif /* Structure describing the action to be taken when a signal arrives. */ -struct sigaction - { - /* Special flags. */ - unsigned int sa_flags; - - /* Signal handler. */ +struct sigaction { + unsigned sa_flags; #ifdef __USE_POSIX199309 - union - { - /* Used if SA_SIGINFO is not set. */ - __sighandler_t sa_handler; - /* Used if SA_SIGINFO is set. */ - void (*sa_sigaction) (int, siginfo_t *, void *); - } - __sigaction_handler; -# define sa_handler __sigaction_handler.sa_handler -# define sa_sigaction __sigaction_handler.sa_sigaction + union { + __sighandler_t sa_handler; + void (*sa_sigaction)(int, siginfo_t *, void *); + } __sigaction_handler; +# define sa_handler __sigaction_handler.sa_handler +# define sa_sigaction __sigaction_handler.sa_sigaction #else - __sighandler_t sa_handler; -#endif - /* Additional set of signals to be blocked. */ - __sigset_t sa_mask; - - /* The ABI says here are two unused ints following. */ - /* Restore handler. */ - void (*sa_restorer) (void); - -#if _MIPS_SZPTR < 64 - int sa_resv[1]; + __sighandler_t sa_handler; #endif - }; + sigset_t sa_mask; + void (*sa_restorer)(void); + /*int s_resv[1]; - reserved [deleted in uclibc] */ +}; /* Bits in `sa_flags'. */ /* Please note that some Linux kernels versions use different values for these diff --git a/libc/sysdeps/linux/mips/bits/sigcontext.h b/libc/sysdeps/linux/mips/bits/sigcontext.h index 99faeed39..dd18c49a6 100644 --- a/libc/sysdeps/linux/mips/bits/sigcontext.h +++ b/libc/sysdeps/linux/mips/bits/sigcontext.h @@ -12,9 +12,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _BITS_SIGCONTEXT_H #define _BITS_SIGCONTEXT_H 1 diff --git a/libc/sysdeps/linux/mips/bits/sigcontextinfo.h b/libc/sysdeps/linux/mips/bits/sigcontextinfo.h index f453c8d9b..09ce0185e 100644 --- a/libc/sysdeps/linux/mips/bits/sigcontextinfo.h +++ b/libc/sysdeps/linux/mips/bits/sigcontextinfo.h @@ -13,9 +13,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #include <sgidefs.h> diff --git a/libc/sysdeps/linux/mips/bits/siginfo.h b/libc/sysdeps/linux/mips/bits/siginfo.h index ba3e1f630..b204301af 100644 --- a/libc/sysdeps/linux/mips/bits/siginfo.h +++ b/libc/sysdeps/linux/mips/bits/siginfo.h @@ -14,9 +14,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #if !defined _SIGNAL_H && !defined __need_siginfo_t \ && !defined __need_sigevent_t @@ -70,6 +69,22 @@ typedef struct siginfo __uid_t si_uid; /* Real user ID of sending process. */ } _kill; + /* POSIX.1b timers. */ + struct + { + int si_tid; /* Timer ID. */ + int si_overrun; /* Overrun count. */ + sigval_t si_sigval; /* Signal value. */ + } _timer; + + /* POSIX.1b signals. */ + struct + { + __pid_t si_pid; /* Sending process ID. */ + __uid_t si_uid; /* Real user ID of sending process. */ + sigval_t si_sigval; /* Signal value. */ + } _rt; + /* SIGCHLD. */ struct { @@ -84,29 +99,23 @@ typedef struct siginfo struct { void *si_addr; /* Faulting insn/memory ref. */ + short int si_addr_lsb; /* Valid LSB of the reported address. */ } _sigfault; /* SIGPOLL. */ struct { - int si_band; /* Band event for SIGPOLL. */ + long int si_band; /* Band event for SIGPOLL. */ int si_fd; } _sigpoll; - /* POSIX.1b timers. */ + /* SIGSYS. */ struct { - unsigned int _timer1; - unsigned int _timer2; - } _timer; - - /* POSIX.1b signals. */ - struct - { - __pid_t si_pid; /* Sending process ID. */ - __uid_t si_uid; /* Real user ID of sending process. */ - sigval_t si_sigval; /* Signal value. */ - } _rt; + void *_call_addr; /* Calling user insn. */ + int _syscall; /* Triggering system call number. */ + unsigned int _arch; /* AUDIT_ARCH_* of syscall. */ + } _sigsys; } _sifields; } siginfo_t; @@ -114,6 +123,8 @@ typedef struct siginfo /* X/Open requires some more fields with fixed names. */ # define si_pid _sifields._kill.si_pid # define si_uid _sifields._kill.si_uid +# define si_timerid _sifields._timer.si_tid +# define si_overrun _sifields._timer.si_overrun # define si_status _sifields._sigchld.si_status # define si_utime _sifields._sigchld.si_utime # define si_stime _sifields._sigchld.si_stime @@ -121,8 +132,12 @@ typedef struct siginfo # define si_int _sifields._rt.si_sigval.sival_int # define si_ptr _sifields._rt.si_sigval.sival_ptr # define si_addr _sifields._sigfault.si_addr +# define si_addr_lsb _sifields._sigfault.si_addr_lsb # define si_band _sifields._sigpoll.si_band # define si_fd _sifields._sigpoll.si_fd +# define si_call_addr _sifields._sigsys._call_addr +# define si_syscall _sifields._sigsys._syscall +# define si_arch _sifields._sigsys._arch /* Values for `si_code'. Positive values are reserved for kernel-generated @@ -143,13 +158,14 @@ enum # define SI_ASYNCIO SI_ASYNCIO SI_QUEUE, /* Sent by sigqueue. */ # define SI_QUEUE SI_QUEUE - SI_USER, /* Sent by kill, sigsend, raise. */ + SI_USER, /* Sent by kill, sigsend. */ # define SI_USER SI_USER SI_KERNEL = 0x80 /* Send by kernel. */ #define SI_KERNEL SI_KERNEL }; +# if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8 /* `si_code' values for SIGILL signal. */ enum { @@ -208,10 +224,16 @@ enum # define BUS_ADRALN BUS_ADRALN BUS_ADRERR, /* Non-existant physical address. */ # define BUS_ADRERR BUS_ADRERR - BUS_OBJERR /* Object specific hardware error. */ + BUS_OBJERR, /* Object specific hardware error. */ # define BUS_OBJERR BUS_OBJERR + BUS_MCEERR_AR, /* Hardware memory error: action required. */ +# define BUS_MCEERR_AR BUS_MCEERR_AR + BUS_MCEERR_AO /* Hardware memory error: action optional. */ +# define BUS_MCEERR_AO BUS_MCEERR_AO }; +# endif +# ifdef __USE_XOPEN_EXTENDED /* `si_code' values for SIGTRAP signal. */ enum { @@ -220,7 +242,9 @@ enum TRAP_TRACE /* Process trace trap. */ # define TRAP_TRACE TRAP_TRACE }; +# endif +# if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8 /* `si_code' values for SIGCHLD signal. */ enum { @@ -254,6 +278,7 @@ enum POLL_HUP /* Device disconnected. */ # define POLL_HUP POLL_HUP }; +# endif # undef __need_siginfo_t #endif /* !have siginfo_t && (have _SIGNAL_H || need siginfo_t). */ @@ -265,8 +290,11 @@ enum /* Structure to transport application-defined values with signals. */ # define __SIGEV_MAX_SIZE 64 -# define __SIGEV_HEAD_SIZE (sizeof(long) + 2*sizeof(int)) -# define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE - __SIGEV_HEAD_SIZE) / sizeof (int)) +# if __WORDSIZE == 64 +# define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 4) +# else +# define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 3) +# endif /* Forward declaration of the `pthread_attr_t' type. */ struct __pthread_attr_s; @@ -282,6 +310,10 @@ typedef struct sigevent { int _pad[__SIGEV_PAD_SIZE]; + /* When SIGEV_SIGNAL and SIGEV_THREAD_ID set, LWP ID of the + thread to receive the signal. */ + __pid_t _tid; + struct { void (*_function) (sigval_t); /* Function to start. */ diff --git a/libc/sysdeps/linux/mips/bits/signalfd.h b/libc/sysdeps/linux/mips/bits/signalfd.h new file mode 100644 index 000000000..c2bea7605 --- /dev/null +++ b/libc/sysdeps/linux/mips/bits/signalfd.h @@ -0,0 +1,29 @@ +/* Copyright (C) 2007-2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _SYS_SIGNALFD_H +# error "Never use <bits/signalfd.h> directly; include <sys/signalfd.h> instead." +#endif + +/* Flags for signalfd. */ +enum + { + SFD_CLOEXEC = 02000000, +#define SFD_CLOEXEC SFD_CLOEXEC + SFD_NONBLOCK = 00000200 +#define SFD_NONBLOCK SFD_NONBLOCK + }; diff --git a/libc/sysdeps/linux/mips/bits/signum.h b/libc/sysdeps/linux/mips/bits/signum.h index a9b684834..e83250e2d 100644 --- a/libc/sysdeps/linux/mips/bits/signum.h +++ b/libc/sysdeps/linux/mips/bits/signum.h @@ -13,22 +13,11 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifdef _SIGNAL_H -/* Fake signal functions. */ -#define SIG_ERR ((__sighandler_t) -1) /* Error return. */ -#define SIG_DFL ((__sighandler_t) 0) /* Default action. */ -#define SIG_IGN ((__sighandler_t) 1) /* Ignore signal. */ - -#ifdef __USE_UNIX98 -# define SIG_HOLD ((__sighandler_t) 2) /* Add signal to hold mask. */ -#endif - - #define SIGHUP 1 /* Hangup (POSIX). */ #define SIGINT 2 /* Interrupt (ANSI). */ #define SIGQUIT 3 /* Quit (POSIX). */ @@ -64,16 +53,20 @@ #define SIGXCPU 30 /* CPU limit exceeded (4.2 BSD). */ #define SIGXFSZ 31 /* File size limit exceeded (4.2 BSD). */ - -#define _NSIG 128 /* Biggest signal number + 1 - (including real-time signals). */ - -#define SIGRTMIN (__libc_current_sigrtmin ()) -#define SIGRTMAX (__libc_current_sigrtmax ()) - -/* These are the hard limits of the kernel. These values should not be - used directly at user level. */ -#define __SIGRTMIN 32 -#define __SIGRTMAX (_NSIG - 1) +/* MIPS is special by having 128 signals. + * All (?) other architectures have at most 64 signals. + * Having 128 signals is problematic because signal nos are 1-based + * and last signal number is then 128. + * This plays havoc with WIFSIGNALED and WCOREDUMP in waitpid status word, + * when process dies from signal 128. + * Linux kernel 3.9 accepts signal 128, with awful results :/ + * It is being fixed. + * + * glibc (accidentally?) papers over this issue by declaring _NSIG to be 128, + * not 129 (despite claiming that _NSIG is "biggest signal number + 1" + * in the comment above that definition). We follow suit. + * Note that this results in __SIGRTMAX == 127. It is intended. + */ +#define _NSIG 128 #endif /* <signal.h> included. */ diff --git a/libc/sysdeps/linux/mips/bits/sigstack.h b/libc/sysdeps/linux/mips/bits/sigstack.h index d2c855220..b5a92f398 100644 --- a/libc/sysdeps/linux/mips/bits/sigstack.h +++ b/libc/sysdeps/linux/mips/bits/sigstack.h @@ -13,21 +13,22 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _SIGNAL_H # error "Never include this file directly. Use <signal.h> instead" #endif +#if defined __UCLIBC_SUSV4_LEGACY__ || !defined __UCLIBC_STRICT_HEADERS__ /* Structure describing a signal stack (obsolete). */ struct sigstack { void *ss_sp; /* Signal stack pointer. */ int ss_onstack; /* Nonzero if executing on this stack. */ }; +#endif /* Possible values for `ss_flags.'. */ diff --git a/libc/sysdeps/linux/mips/bits/socket.h b/libc/sysdeps/linux/mips/bits/socket.h deleted file mode 100644 index c43a4cd2e..000000000 --- a/libc/sysdeps/linux/mips/bits/socket.h +++ /dev/null @@ -1,328 +0,0 @@ -/* System-specific socket constants and types. Linux/MIPS version. - Copyright (C) 1991, 92, 1994-1999, 2000, 2001, 2004, 2005, 2006 - Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#ifndef __BITS_SOCKET_H -#define __BITS_SOCKET_H - -#if !defined _SYS_SOCKET_H && !defined _NETINET_IN_H -# error "Never include <bits/socket.h> directly; use <sys/socket.h> instead." -#endif - -#define __need_size_t -#define __need_NULL -#include <stddef.h> - -#include <limits.h> -#include <sys/types.h> - -/* Type for length arguments in socket calls. */ -#ifndef __socklen_t_defined -typedef __socklen_t socklen_t; -# define __socklen_t_defined -#endif - -/* Types of sockets. */ -enum __socket_type -{ - SOCK_DGRAM = 1, /* Connectionless, unreliable datagrams - of fixed maximum length. */ -#define SOCK_DGRAM SOCK_DGRAM - SOCK_STREAM = 2, /* Sequenced, reliable, connection-based - byte streams. */ -#define SOCK_STREAM SOCK_STREAM - SOCK_RAW = 3, /* Raw protocol interface. */ -#define SOCK_RAW SOCK_RAW - SOCK_RDM = 4, /* Reliably-delivered messages. */ -#define SOCK_RDM SOCK_RDM - SOCK_SEQPACKET = 5, /* Sequenced, reliable, connection-based, - datagrams of fixed maximum length. */ -#define SOCK_SEQPACKET SOCK_SEQPACKET - SOCK_PACKET = 10 /* Linux specific way of getting packets - at the dev level. For writing rarp and - other similar things on the user level. */ -#define SOCK_PACKET SOCK_PACKET -}; - -/* Protocol families. */ -#define PF_UNSPEC 0 /* Unspecified. */ -#define PF_LOCAL 1 /* Local to host (pipes and file-domain). */ -#define PF_UNIX PF_LOCAL /* Old BSD name for PF_LOCAL. */ -#define PF_FILE PF_LOCAL /* Another non-standard name for PF_LOCAL. */ -#define PF_INET 2 /* IP protocol family. */ -#define PF_AX25 3 /* Amateur Radio AX.25. */ -#define PF_IPX 4 /* Novell Internet Protocol. */ -#define PF_APPLETALK 5 /* Appletalk DDP. */ -#define PF_NETROM 6 /* Amateur radio NetROM. */ -#define PF_BRIDGE 7 /* Multiprotocol bridge. */ -#define PF_ATMPVC 8 /* ATM PVCs. */ -#define PF_X25 9 /* Reserved for X.25 project. */ -#define PF_INET6 10 /* IP version 6. */ -#define PF_ROSE 11 /* Amateur Radio X.25 PLP. */ -#define PF_DECnet 12 /* Reserved for DECnet project. */ -#define PF_NETBEUI 13 /* Reserved for 802.2LLC project. */ -#define PF_SECURITY 14 /* Security callback pseudo AF. */ -#define PF_KEY 15 /* PF_KEY key management API. */ -#define PF_NETLINK 16 -#define PF_ROUTE PF_NETLINK /* Alias to emulate 4.4BSD. */ -#define PF_PACKET 17 /* Packet family. */ -#define PF_ASH 18 /* Ash. */ -#define PF_ECONET 19 /* Acorn Econet. */ -#define PF_ATMSVC 20 /* ATM SVCs. */ -#define PF_SNA 22 /* Linux SNA Project */ -#define PF_IRDA 23 /* IRDA sockets. */ -#define PF_PPPOX 24 /* PPPoX sockets. */ -#define PF_WANPIPE 25 /* Wanpipe API sockets. */ -#define PF_BLUETOOTH 31 /* Bluetooth sockets. */ -#define PF_MAX 32 /* For now.. */ - -/* Address families. */ -#define AF_UNSPEC PF_UNSPEC -#define AF_LOCAL PF_LOCAL -#define AF_UNIX PF_UNIX -#define AF_FILE PF_FILE -#define AF_INET PF_INET -#define AF_AX25 PF_AX25 -#define AF_IPX PF_IPX -#define AF_APPLETALK PF_APPLETALK -#define AF_NETROM PF_NETROM -#define AF_BRIDGE PF_BRIDGE -#define AF_ATMPVC PF_ATMPVC -#define AF_X25 PF_X25 -#define AF_INET6 PF_INET6 -#define AF_ROSE PF_ROSE -#define AF_DECnet PF_DECnet -#define AF_NETBEUI PF_NETBEUI -#define AF_SECURITY PF_SECURITY -#define AF_KEY PF_KEY -#define AF_NETLINK PF_NETLINK -#define AF_ROUTE PF_ROUTE -#define AF_PACKET PF_PACKET -#define AF_ASH PF_ASH -#define AF_ECONET PF_ECONET -#define AF_ATMSVC PF_ATMSVC -#define AF_SNA PF_SNA -#define AF_IRDA PF_IRDA -#define AF_PPPOX PF_PPPOX -#define AF_WANPIPE PF_WANPIPE -#define AF_BLUETOOTH PF_BLUETOOTH -#define AF_MAX PF_MAX - -/* Socket level values. Others are defined in the appropriate headers. - - XXX These definitions also should go into the appropriate headers as - far as they are available. */ -#define SOL_RAW 255 -#define SOL_DECNET 261 -#define SOL_X25 262 -#define SOL_PACKET 263 -#define SOL_ATM 264 /* ATM layer (cell level). */ -#define SOL_AAL 265 /* ATM Adaption Layer (packet level). */ -#define SOL_IRDA 266 - -/* Maximum queue length specifiable by listen. */ -#define SOMAXCONN 128 - -/* Get the definition of the macro to define the common sockaddr members. */ -#include <bits/sockaddr.h> - -/* Structure describing a generic socket address. */ -struct sockaddr - { - __SOCKADDR_COMMON (sa_); /* Common data: address family and length. */ - char sa_data[14]; /* Address data. */ - }; - - -/* Structure large enough to hold any socket address (with the historical - exception of AF_UNIX). We reserve 128 bytes. */ -#if ULONG_MAX > 0xffffffff -# define __ss_aligntype __uint64_t -#else -# define __ss_aligntype __uint32_t -#endif -#define _SS_SIZE 128 -#define _SS_PADSIZE (_SS_SIZE - (2 * sizeof (__ss_aligntype))) - -struct sockaddr_storage - { - __SOCKADDR_COMMON (ss_); /* Address family, etc. */ - __ss_aligntype __ss_align; /* Force desired alignment. */ - char __ss_padding[_SS_PADSIZE]; - }; - - -/* Bits in the FLAGS argument to `send', `recv', et al. */ -enum - { - MSG_OOB = 0x01, /* Process out-of-band data. */ -#define MSG_OOB MSG_OOB - MSG_PEEK = 0x02, /* Peek at incoming messages. */ -#define MSG_PEEK MSG_PEEK - MSG_DONTROUTE = 0x04, /* Don't use local routing. */ -#define MSG_DONTROUTE MSG_DONTROUTE -#ifdef __USE_GNU - /* DECnet uses a different name. */ - MSG_TRYHARD = MSG_DONTROUTE, -# define MSG_TRYHARD MSG_DONTROUTE -#endif - MSG_CTRUNC = 0x08, /* Control data lost before delivery. */ -#define MSG_CTRUNC MSG_CTRUNC - MSG_PROXY = 0x10, /* Supply or ask second address. */ -#define MSG_PROXY MSG_PROXY - MSG_TRUNC = 0x20, -#define MSG_TRUNC MSG_TRUNC - MSG_DONTWAIT = 0x40, /* Nonblocking IO. */ -#define MSG_DONTWAIT MSG_DONTWAIT - MSG_EOR = 0x80, /* End of record. */ -#define MSG_EOR MSG_EOR - MSG_WAITALL = 0x100, /* Wait for a full request. */ -#define MSG_WAITALL MSG_WAITALL - MSG_FIN = 0x200, -#define MSG_FIN MSG_FIN - MSG_SYN = 0x400, -#define MSG_SYN MSG_SYN - MSG_CONFIRM = 0x800, /* Confirm path validity. */ -#define MSG_CONFIRM MSG_CONFIRM - MSG_RST = 0x1000, -#define MSG_RST MSG_RST - MSG_ERRQUEUE = 0x2000, /* Fetch message from error queue. */ -#define MSG_ERRQUEUE MSG_ERRQUEUE - MSG_NOSIGNAL = 0x4000, /* Do not generate SIGPIPE. */ -#define MSG_NOSIGNAL MSG_NOSIGNAL - MSG_MORE = 0x8000 /* Sender will send more. */ -#define MSG_MORE MSG_MORE - }; - - -/* Structure describing messages sent by - `sendmsg' and received by `recvmsg'. */ -/* Note: do not change these members to match glibc; these match the - SuSv3 spec already (e.g. msg_iovlen/msg_controllen). - http://www.opengroup.org/onlinepubs/009695399/basedefs/sys/socket.h.html */ -/* Note: linux kernel uses __kernel_size_t (which is 8bytes on 64bit - platforms, and 4bytes on 32bit platforms) for msg_iovlen/msg_controllen */ -struct msghdr - { - void *msg_name; /* Address to send to/receive from. */ - socklen_t msg_namelen; /* Length of address data. */ - - struct iovec *msg_iov; /* Vector of data to send/receive into. */ -#if __WORDSIZE == 32 - int msg_iovlen; /* Number of elements in the vector. */ -#else - size_t msg_iovlen; /* Number of elements in the vector. */ -#endif - - void *msg_control; /* Ancillary data (eg BSD filedesc passing). */ -#if __WORDSIZE == 32 - socklen_t msg_controllen; /* Ancillary data buffer length. */ -#else - size_t msg_controllen; /* Ancillary data buffer length. */ -#endif - - int msg_flags; /* Flags on received message. */ - }; - -/* Structure used for storage of ancillary data object information. */ -struct cmsghdr - { - size_t cmsg_len; /* Length of data in cmsg_data plus length - of cmsghdr structure. */ - int cmsg_level; /* Originating protocol. */ - int cmsg_type; /* Protocol specific type. */ -#if (!defined __STRICT_ANSI__ && __GNUC__ >= 2) || __STDC_VERSION__ >= 199901L - __extension__ unsigned char __cmsg_data __flexarr; /* Ancillary data. */ -#endif - }; - -/* Ancillary data object manipulation macros. */ -#if (!defined __STRICT_ANSI__ && __GNUC__ >= 2) || __STDC_VERSION__ >= 199901L -# define CMSG_DATA(cmsg) ((cmsg)->__cmsg_data) -#else -# define CMSG_DATA(cmsg) ((unsigned char *) ((struct cmsghdr *) (cmsg) + 1)) -#endif -#define CMSG_NXTHDR(mhdr, cmsg) __cmsg_nxthdr (mhdr, cmsg) -#define CMSG_FIRSTHDR(mhdr) \ - ((size_t) (mhdr)->msg_controllen >= sizeof (struct cmsghdr) \ - ? (struct cmsghdr *) (mhdr)->msg_control : (struct cmsghdr *) NULL) -#define CMSG_ALIGN(len) (((len) + sizeof (size_t) - 1) \ - & (size_t) ~(sizeof (size_t) - 1)) -#define CMSG_SPACE(len) (CMSG_ALIGN (len) \ - + CMSG_ALIGN (sizeof (struct cmsghdr))) -#define CMSG_LEN(len) (CMSG_ALIGN (sizeof (struct cmsghdr)) + (len)) - -extern struct cmsghdr * __NTH (__cmsg_nxthdr (struct msghdr *__mhdr, - struct cmsghdr *__cmsg)) __THROW; -#ifdef __USE_EXTERN_INLINES -# ifndef _EXTERN_INLINE -# define _EXTERN_INLINE extern __inline -# endif -_EXTERN_INLINE struct cmsghdr * -__NTH (__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg)) -{ - if ((size_t) __cmsg->cmsg_len < sizeof (struct cmsghdr)) - /* The kernel header does this so there may be a reason. */ - return 0; - - __cmsg = (struct cmsghdr *) ((unsigned char *) __cmsg - + CMSG_ALIGN (__cmsg->cmsg_len)); - if ((unsigned char *) (__cmsg + 1) > ((unsigned char *) __mhdr->msg_control - + __mhdr->msg_controllen) - || ((unsigned char *) __cmsg + CMSG_ALIGN (__cmsg->cmsg_len) - > ((unsigned char *) __mhdr->msg_control + __mhdr->msg_controllen))) - /* No more entries. */ - return 0; - return __cmsg; -} -#endif /* Use `extern inline'. */ - -/* Socket level message types. This must match the definitions in - <linux/socket.h>. */ -enum - { - SCM_RIGHTS = 0x01 /* Transfer file descriptors. */ -#define SCM_RIGHTS SCM_RIGHTS -#ifdef __USE_BSD - , SCM_CREDENTIALS = 0x02 /* Credentials passing. */ -# define SCM_CREDENTIALS SCM_CREDENTIALS -#endif - }; - -/* User visible structure for SCM_CREDENTIALS message */ - -struct ucred -{ - pid_t pid; /* PID of sending process. */ - uid_t uid; /* UID of sending process. */ - gid_t gid; /* GID of sending process. */ -}; - -/* Get socket manipulation related informations from kernel headers. */ -#include <asm/socket.h> - - -/* Structure used to manipulate the SO_LINGER option. */ -struct linger - { - int l_onoff; /* Nonzero to linger on close. */ - int l_linger; /* Time to linger. */ - }; - -#endif /* bits/socket.h */ diff --git a/libc/sysdeps/linux/mips/bits/socket_type.h b/libc/sysdeps/linux/mips/bits/socket_type.h new file mode 100644 index 000000000..20d27328e --- /dev/null +++ b/libc/sysdeps/linux/mips/bits/socket_type.h @@ -0,0 +1,55 @@ +/* System-specific socket constants and types. Linux/MIPS version. + Copyright (C) 1991, 92, 1994-1999, 2000, 2001, 2004, 2005, 2006 + Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _SYS_SOCKET_H +# error "Never include <bits/socket_type.h> directly; use <sys/socket.h> instead." +#endif + +/* Types of sockets. */ +enum __socket_type +{ + SOCK_DGRAM = 1, /* Connectionless, unreliable datagrams + of fixed maximum length. */ +#define SOCK_DGRAM SOCK_DGRAM + SOCK_STREAM = 2, /* Sequenced, reliable, connection-based + byte streams. */ +#define SOCK_STREAM SOCK_STREAM + SOCK_RAW = 3, /* Raw protocol interface. */ +#define SOCK_RAW SOCK_RAW + SOCK_RDM = 4, /* Reliably-delivered messages. */ +#define SOCK_RDM SOCK_RDM + SOCK_SEQPACKET = 5, /* Sequenced, reliable, connection-based, + datagrams of fixed maximum length. */ +#define SOCK_SEQPACKET SOCK_SEQPACKET + SOCK_DCCP = 6, +#define SOCK_DCCP SOCK_DCCP /* Datagram Congestion Control Protocol. */ + SOCK_PACKET = 10, /* Linux specific way of getting packets + at the dev level. For writing rarp and + other similar things on the user level. */ +#define SOCK_PACKET SOCK_PACKET + + /* Flags to be ORed into the type parameter of socket and socketpair. */ + + SOCK_CLOEXEC = 02000000, /* Atomically set close-on-exec flag for the + new descriptor(s). */ +#define SOCK_CLOEXEC SOCK_CLOEXEC + SOCK_NONBLOCK = 00000200 /* Atomically mark descriptor(s) as + non-blocking. */ +#define SOCK_NONBLOCK SOCK_NONBLOCK +}; diff --git a/libc/sysdeps/linux/mips/bits/stackinfo.h b/libc/sysdeps/linux/mips/bits/stackinfo.h index 86e3d621b..7803dccf7 100644 --- a/libc/sysdeps/linux/mips/bits/stackinfo.h +++ b/libc/sysdeps/linux/mips/bits/stackinfo.h @@ -12,9 +12,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ /* This file contains a bit of information about the stack allocation of the processor. */ diff --git a/libc/sysdeps/linux/mips/bits/stat.h b/libc/sysdeps/linux/mips/bits/stat.h index e35d64928..539fa33d2 100644 --- a/libc/sysdeps/linux/mips/bits/stat.h +++ b/libc/sysdeps/linux/mips/bits/stat.h @@ -1,5 +1,5 @@ -/* Copyright (C) 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004 - Free Software Foundation, Inc. +/* Copyright (C) 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, + 2007, 2009 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -13,9 +13,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _SYS_STAT_H # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead." @@ -61,16 +60,27 @@ struct stat long int st_pad2[2]; __off64_t st_size; /* Size of file, in bytes. */ #endif - /* - * Actually this should be timestruc_t st_atime, st_mtime and - * st_ctime but we don't have it under Linux. - */ +#ifdef __USE_MISC + /* Nanosecond resolution timestamps are stored in a format + equivalent to 'struct timespec'. This is the type used + whenever possible but the Unix namespace rules do not allow the + identifier 'timespec' to appear in the <sys/stat.h> header. + Therefore we have to handle the use of this header in strictly + standard-compliant sources special. */ + struct timespec st_atim; /* Time of last access. */ + struct timespec st_mtim; /* Time of last modification. */ + struct timespec st_ctim; /* Time of last status change. */ +# define st_atime st_atim.tv_sec /* Backward compatibility. */ +# define st_mtime st_mtim.tv_sec +# define st_ctime st_ctim.tv_sec +#else __time_t st_atime; /* Time of last access. */ unsigned long int st_atimensec; /* Nscecs of last access. */ __time_t st_mtime; /* Time of last modification. */ unsigned long int st_mtimensec; /* Nsecs of last modification. */ __time_t st_ctime; /* Time of last status change. */ unsigned long int st_ctimensec; /* Nsecs of last status change. */ +#endif __blksize_t st_blksize; /* Optimal block size for I/O. */ #ifndef __USE_FILE_OFFSET64 __blkcnt_t st_blocks; /* Number of 512-byte blocks allocated. */ @@ -93,16 +103,27 @@ struct stat { unsigned int st_rdev; /* Device number, if device. */ int st_pad2[3]; __off_t st_size; /* Size of file, in bytes. */ - /* - * Actually this should be timestruc_t st_atime, st_mtime and - * st_ctime but we don't have it under Linux. - */ +#ifdef __USE_MISC + /* Nanosecond resolution timestamps are stored in a format + equivalent to 'struct timespec'. This is the type used + whenever possible but the Unix namespace rules do not allow the + identifier 'timespec' to appear in the <sys/stat.h> header. + Therefore we have to handle the use of this header in strictly + standard-compliant sources special. */ + struct timespec st_atim; /* Time of last access. */ + struct timespec st_mtim; /* Time of last modification. */ + struct timespec st_ctim; /* Time of last status change. */ +# define st_atime st_atim.tv_sec /* Backward compatibility. */ +# define st_mtime st_mtim.tv_sec +# define st_ctime st_ctim.tv_sec +#else int st_atime; int st_atimensec; int st_mtime; int st_mtimensec; int st_ctime; int st_ctimensec; +#endif int st_blksize; /* Optimal block size for I/O. */ int st_pad3; __blkcnt_t st_blocks; /* Number of 512-byte blocks allocated. */ @@ -124,16 +145,27 @@ struct stat64 __dev_t st_rdev; /* Device number, if device. */ long int st_pad2[2]; __off64_t st_size; /* Size of file, in bytes. */ - /* - * Actually this should be timestruc_t st_atime, st_mtime and - * st_ctime but we don't have it under Linux. - */ +#ifdef __USE_MISC + /* Nanosecond resolution timestamps are stored in a format + equivalent to 'struct timespec'. This is the type used + whenever possible but the Unix namespace rules do not allow the + identifier 'timespec' to appear in the <sys/stat.h> header. + Therefore we have to handle the use of this header in strictly + standard-compliant sources special. */ + struct timespec st_atim; /* Time of last access. */ + struct timespec st_mtim; /* Time of last modification. */ + struct timespec st_ctim; /* Time of last status change. */ +# define st_atime st_atim.tv_sec /* Backward compatibility. */ +# define st_mtime st_mtim.tv_sec +# define st_ctime st_ctim.tv_sec +#else __time_t st_atime; /* Time of last access. */ unsigned long int st_atimensec; /* Nscecs of last access. */ __time_t st_mtime; /* Time of last modification. */ unsigned long int st_mtimensec; /* Nsecs of last modification. */ __time_t st_ctime; /* Time of last status change. */ unsigned long int st_ctimensec; /* Nsecs of last status change. */ +#endif __blksize_t st_blksize; /* Optimal block size for I/O. */ long int st_pad3; __blkcnt64_t st_blocks; /* Number of 512-byte blocks allocated. */ @@ -152,16 +184,27 @@ struct stat64 { unsigned int st_rdev; /* Device number, if device. */ int st_pad2[3]; __off_t st_size; /* Size of file, in bytes. */ - /* - * Actually this should be timestruc_t st_atime, st_mtime and - * st_ctime but we don't have it under Linux. - */ +#ifdef __USE_MISC + /* Nanosecond resolution timestamps are stored in a format + equivalent to 'struct timespec'. This is the type used + whenever possible but the Unix namespace rules do not allow the + identifier 'timespec' to appear in the <sys/stat.h> header. + Therefore we have to handle the use of this header in strictly + standard-compliant sources special. */ + struct timespec st_atim; /* Time of last access. */ + struct timespec st_mtim; /* Time of last modification. */ + struct timespec st_ctim; /* Time of last status change. */ +# define st_atime st_atim.tv_sec /* Backward compatibility. */ +# define st_mtime st_mtim.tv_sec +# define st_ctime st_ctim.tv_sec +#else int st_atime; int st_atimensec; int st_mtime; int st_mtimensec; int st_ctime; int st_ctimensec; +#endif int st_blksize; /* Optimal block size for I/O. */ int st_pad3; __blkcnt_t st_blocks; /* Number of 512-byte blocks allocated. */ @@ -173,6 +216,8 @@ struct stat64 { /* Tell code we have these members. */ #define _STATBUF_ST_BLKSIZE #define _STATBUF_ST_RDEV +/* Nanosecond resolution time values are supported. */ +#define _STATBUF_ST_NSEC /* Encoding of the file mode. */ @@ -201,3 +246,8 @@ struct stat64 { #define __S_IREAD 0400 /* Read by owner. */ #define __S_IWRITE 0200 /* Write by owner. */ #define __S_IEXEC 0100 /* Execute by owner. */ + +#ifdef __USE_ATFILE +# define UTIME_NOW ((1l << 30) - 1l) +# define UTIME_OMIT ((1l << 30) - 2l) +#endif diff --git a/libc/sysdeps/linux/mips/bits/statfs.h b/libc/sysdeps/linux/mips/bits/statfs.h index 2f9bd54ed..8e2ebc6ac 100644 --- a/libc/sysdeps/linux/mips/bits/statfs.h +++ b/libc/sysdeps/linux/mips/bits/statfs.h @@ -12,9 +12,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _SYS_STATFS_H # error "Never include <bits/statfs.h> directly; use <sys/statfs.h> instead." diff --git a/libc/sysdeps/linux/mips/bits/syscalls.h b/libc/sysdeps/linux/mips/bits/syscalls.h index fa8b876d7..787bb7d55 100644 --- a/libc/sysdeps/linux/mips/bits/syscalls.h +++ b/libc/sysdeps/linux/mips/bits/syscalls.h @@ -10,67 +10,6 @@ #include <errno.h> -#define SYS_ify(syscall_name) (__NR_##syscall_name) - -#undef _syscall0 -#define _syscall0(type,name) \ -type name(void) \ -{ \ -return (type) (INLINE_SYSCALL(name, 0)); \ -} - -#undef _syscall1 -#define _syscall1(type,name,type1,arg1) \ -type name(type1 arg1) \ -{ \ -return (type) (INLINE_SYSCALL(name, 1, arg1)); \ -} - -#undef _syscall2 -#define _syscall2(type,name,type1,arg1,type2,arg2) \ -type name(type1 arg1,type2 arg2) \ -{ \ -return (type) (INLINE_SYSCALL(name, 2, arg1, arg2)); \ -} - -#undef _syscall3 -#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ -type name(type1 arg1,type2 arg2,type3 arg3) \ -{ \ -return (type) (INLINE_SYSCALL(name, 3, arg1, arg2, arg3)); \ -} - -#undef _syscall4 -#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ -type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ -{ \ -return (type) (INLINE_SYSCALL(name, 4, arg1, arg2, arg3, arg4)); \ -} - -#undef _syscall5 -#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ - type5,arg5) \ -type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ -{ \ -return (type) (INLINE_SYSCALL(name, 5, arg1, arg2, arg3, arg4, arg5)); \ -} - -#undef _syscall6 -#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ - type5,arg5,type6,arg6) \ -type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, type6 arg6) \ -{ \ -return (type) (INLINE_SYSCALL(name, 6, arg1, arg2, arg3, arg4, arg5, arg6)); \ -} - -#undef _syscall7 -#define _syscall7(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ - type5,arg5,type6,arg6,type7,arg7) \ -type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, type6 arg6,type7 arg7) \ -{ \ -return (type) (INLINE_SYSCALL(name, 7, arg1, arg2, arg3, arg4, arg5, arg6, arg7)); \ -} - /* * Import from: * glibc-ports/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h @@ -80,10 +19,9 @@ return (type) (INLINE_SYSCALL(name, 7, arg1, arg2, arg3, arg4, arg5, arg6, arg7) /* Define a macro which expands into the inline wrapper code for a system call. */ -#undef INLINE_SYSCALL #define INLINE_SYSCALL(name, nr, args...) \ ({ INTERNAL_SYSCALL_DECL(err); \ - long result_var = INTERNAL_SYSCALL (name, err, nr, args); \ + long result_var = INTERNAL_SYSCALL(name, err, nr, args); \ if ( INTERNAL_SYSCALL_ERROR_P (result_var, err) ) \ { \ __set_errno (INTERNAL_SYSCALL_ERRNO (result_var, err)); \ @@ -91,21 +29,16 @@ return (type) (INLINE_SYSCALL(name, 7, arg1, arg2, arg3, arg4, arg5, arg6, arg7) } \ result_var; }) -#undef INTERNAL_SYSCALL_DECL -#define INTERNAL_SYSCALL_DECL(err) long err +#define INTERNAL_SYSCALL_DECL(err) long err attribute_unused -#undef INTERNAL_SYSCALL_ERROR_P #define INTERNAL_SYSCALL_ERROR_P(val, err) ((long) (err)) -#undef INTERNAL_SYSCALL_ERRNO #define INTERNAL_SYSCALL_ERRNO(val, err) (val) -#undef INTERNAL_SYSCALL #define INTERNAL_SYSCALL(name, err, nr, args...) \ internal_syscall##nr (, "li\t$2, %2\t\t\t# " #name "\n\t", \ "i" (SYS_ify (name)), err, args) -#undef INTERNAL_SYSCALL_NCS #define INTERNAL_SYSCALL_NCS(number, err, nr, args...) \ internal_syscall##nr (= number, , "r" (__v0), err, args) @@ -328,7 +261,7 @@ return (type) (INLINE_SYSCALL(name, 7, arg1, arg2, arg3, arg4, arg5, arg6, arg7) }) #define __SYSCALL_CLOBBERS "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \ - "$14", "$15", "$24", "$25", "memory" + "$14", "$15", "$24", "$25", "hi", "lo", "memory" #else /* N32 || N64 */ @@ -385,7 +318,7 @@ return (type) (INLINE_SYSCALL(name, 7, arg1, arg2, arg3, arg4, arg5, arg6, arg7) }) #define __SYSCALL_CLOBBERS "$1", "$3", "$10", "$11", "$12", "$13", \ - "$14", "$15", "$24", "$25", "memory" + "$14", "$15", "$24", "$25", "hi", "lo", "memory" #endif diff --git a/libc/sysdeps/linux/mips/bits/termios.h b/libc/sysdeps/linux/mips/bits/termios.h index 546faa020..0b26bcd0c 100644 --- a/libc/sysdeps/linux/mips/bits/termios.h +++ b/libc/sysdeps/linux/mips/bits/termios.h @@ -13,9 +13,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _TERMIOS_H # error "Never include <bits/termios.h> directly; use <termios.h> instead." @@ -73,6 +72,7 @@ struct termios #define IXANY 0004000 /* Any character will restart after stop. */ #define IXOFF 0010000 /* Enable start/stop input control. */ #define IMAXBEL 0020000 /* Ring bell when input queue is full. */ +#define IUTF8 0040000 /* Input is UTF8. */ /* c_oflag bits */ #define OPOST 0000001 /* Perform output processing. */ diff --git a/libc/sysdeps/linux/mips/bits/timerfd.h b/libc/sysdeps/linux/mips/bits/timerfd.h new file mode 100644 index 000000000..032735d01 --- /dev/null +++ b/libc/sysdeps/linux/mips/bits/timerfd.h @@ -0,0 +1,29 @@ +/* Copyright (C) 2008-2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _SYS_TIMERFD_H +# error "Never use <bits/timerfd.h> directly; include <sys/timerfd.h> instead." +#endif + +/* Bits to be set in the FLAGS parameter of `timerfd_create'. */ +enum + { + TFD_CLOEXEC = 02000000, +#define TFD_CLOEXEC TFD_CLOEXEC + TFD_NONBLOCK = 00000200 +#define TFD_NONBLOCK TFD_NONBLOCK + }; diff --git a/libc/sysdeps/linux/mips/bits/uClibc_arch_features.h b/libc/sysdeps/linux/mips/bits/uClibc_arch_features.h index 42a7c4526..bcdf124a4 100644 --- a/libc/sysdeps/linux/mips/bits/uClibc_arch_features.h +++ b/libc/sysdeps/linux/mips/bits/uClibc_arch_features.h @@ -4,6 +4,7 @@ #ifndef _BITS_UCLIBC_ARCH_FEATURES_H #define _BITS_UCLIBC_ARCH_FEATURES_H +#include <sgidefs.h> /* instruction used when calling abort() to kill yourself */ #define __UCLIBC_ABORT_INSTRUCTION__ "break 255" @@ -11,28 +12,35 @@ /* can your target use syscall6() for mmap ? */ #define __UCLIBC_MMAP_HAS_6_ARGS__ -/* does your target use syscall4() for truncate64 ? (32bit arches only) */ -#define __UCLIBC_TRUNCATE64_HAS_4_ARGS__ +/* does your target align 64bit values in register pairs ? (32bit arches only) */ +#if _MIPS_SIM == _ABIO32 +#define __UCLIBC_SYSCALL_ALIGN_64BIT__ +#else +#undef __UCLIBC_SYSCALL_ALIGN_64BIT__ +#endif /* does your target have a broken create_module() ? */ #undef __UCLIBC_BROKEN_CREATE_MODULE__ +/* does your target have to worry about older [gs]etrlimit() ? */ +#undef __UCLIBC_HANDLE_OLDER_RLIMIT__ + /* does your target have an asm .set ? */ #undef __UCLIBC_HAVE_ASM_SET_DIRECTIVE__ -/* define if target doesn't like .global */ -#undef __UCLIBC_ASM_GLOBAL_DIRECTIVE__ - /* define if target supports .weak */ #define __UCLIBC_HAVE_ASM_WEAK_DIRECTIVE__ /* define if target supports .weakext */ #undef __UCLIBC_HAVE_ASM_WEAKEXT_DIRECTIVE__ -/* needed probably only for ppc64 */ -#undef __UCLIBC_HAVE_ASM_GLOBAL_DOT_NAME__ +/* define if target supports CFI pseudo ops */ +#undef __UCLIBC_HAVE_ASM_CFI_DIRECTIVES__ /* define if target supports IEEE signed zero floats */ #define __UCLIBC_HAVE_SIGNED_ZERO__ +/* only weird assemblers generally need this */ +#undef __UCLIBC_ASM_LINE_SEP__ + #endif /* _BITS_UCLIBC_ARCH_FEATURES_H */ diff --git a/libc/sysdeps/linux/mips/bits/uClibc_page.h b/libc/sysdeps/linux/mips/bits/uClibc_page.h index 915918c36..e379ce669 100644 --- a/libc/sysdeps/linux/mips/bits/uClibc_page.h +++ b/libc/sysdeps/linux/mips/bits/uClibc_page.h @@ -11,8 +11,8 @@ * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the Free - * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * License along with this library; if not, see + * <http://www.gnu.org/licenses/>. */ /* Supply an architecture specific value for PAGE_SIZE and friends. */ diff --git a/libc/sysdeps/linux/mips/bits/wordsize.h b/libc/sysdeps/linux/mips/bits/wordsize.h index 666c7ad07..fe130806c 100644 --- a/libc/sysdeps/linux/mips/bits/wordsize.h +++ b/libc/sysdeps/linux/mips/bits/wordsize.h @@ -12,8 +12,10 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #define __WORDSIZE _MIPS_SZPTR +#if _MIPS_SIM == _ABI64 +# define __WORDSIZE_TIME64_COMPAT32 1 +#endif diff --git a/libc/sysdeps/linux/mips/brk.c b/libc/sysdeps/linux/mips/brk.c index 36620b210..9ddb92969 100644 --- a/libc/sysdeps/linux/mips/brk.c +++ b/libc/sysdeps/linux/mips/brk.c @@ -13,9 +13,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #include <errno.h> #include <unistd.h> @@ -23,7 +22,6 @@ void *__curbrk attribute_hidden = 0; -libc_hidden_proto(brk) int brk (void *addr) { void *newbrk; diff --git a/libc/sysdeps/linux/mips/bsd-_setjmp.S b/libc/sysdeps/linux/mips/bsd-_setjmp.S index 6853dea98..de9ca50bb 100644 --- a/libc/sysdeps/linux/mips/bsd-_setjmp.S +++ b/libc/sysdeps/linux/mips/bsd-_setjmp.S @@ -13,9 +13,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ /* This just does a tail-call to `__sigsetjmp (ARG, 0)'. We cannot do it in C because it must be a tail-call, so frame-unwinding diff --git a/libc/sysdeps/linux/mips/bsd-setjmp.S b/libc/sysdeps/linux/mips/bsd-setjmp.S index 1f57a97e7..879d30e47 100644 --- a/libc/sysdeps/linux/mips/bsd-setjmp.S +++ b/libc/sysdeps/linux/mips/bsd-setjmp.S @@ -13,9 +13,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ /* This just does a tail-call to `__sigsetjmp (ARG, 1)'. We cannot do it in C because it must be a tail-call, so frame-unwinding diff --git a/libc/sysdeps/linux/mips/cacheflush.c b/libc/sysdeps/linux/mips/cacheflush.c index f99c58171..afa634612 100644 --- a/libc/sysdeps/linux/mips/cacheflush.c +++ b/libc/sysdeps/linux/mips/cacheflush.c @@ -12,19 +12,18 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the uClibc Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the uClibc Library; if not, see + <http://www.gnu.org/licenses/>. */ -#include <errno.h> -#include <unistd.h> #include <sys/syscall.h> #ifdef __NR_cacheflush -_syscall3(int, cacheflush, void *, addr, const int, nbytes, const int, op); -strong_alias(cacheflush, _flush_cache) +# include <sys/cachectl.h> +_syscall3(int, cacheflush, void *, addr, const int, nbytes, const int, op) +strong_alias_untyped(cacheflush, _flush_cache) #endif #ifdef __NR_cachectl -_syscall3(int, cachectl, void *, addr, const int, nbytes, const int, op); +# include <sys/cachectl.h> +_syscall3(int, cachectl, void *, addr, const int, nbytes, const int, op) #endif diff --git a/libc/sysdeps/linux/mips/clone.S b/libc/sysdeps/linux/mips/clone.S index 716cd993f..8f7059d04 100644 --- a/libc/sysdeps/linux/mips/clone.S +++ b/libc/sysdeps/linux/mips/clone.S @@ -1,6 +1,6 @@ -/* Copyright (C) 1996, 1997, 2000 Free Software Foundation, Inc. +/* Copyright (C) 1996, 1997, 2000, 2003, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. - Contributed by Ralf Baechle <ralf@gnu.ai.mit.edu>, 1996. + Contributed by Ralf Baechle <ralf@linux-mips.org>, 1996. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public @@ -13,107 +13,130 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ /* clone() is even more special than fork() as it mucks with stacks and invokes a function in the right context after its all over. */ #include <features.h> -#include <asm/unistd.h> -#include <sys/regdef.h> -#define _ERRNO_H 1 -#include <bits/errno.h> #include <sys/asm.h> +#include <sysdep.h> +#define _ERRNO_H 1 +#include <bits/errno.h> +#ifdef RESET_PID +#include <tls.h> +#endif -/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg) */ +#define CLONE_VM 0x00000100 +#define CLONE_THREAD 0x00010000 + +/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg, + void *parent_tidptr, void *tls, void *child_tidptr) */ .text -.globl clone ; - .align 2; - .type clone,@function; - .ent clone, 0; - -clone: - .frame sp, 4*SZREG, sp -#ifdef __PIC__ -#if _MIPS_SIM == _MIPS_SIM_ABI32 - .set noreorder - .cpload $25 - .set reorder - subu sp,32 - .cprestore 16 -#else /* N32 */ - PTR_SUBU sp,32 /* fn, arg, gp, pad */ - .cpsetup $25, 16, clone -#endif /* N32 */ +#if _MIPS_SIM == _ABIO32 +# define EXTRA_LOCALS 1 #else - subu sp,32 +# define EXTRA_LOCALS 0 +#endif +LOCALSZ= 4 +FRAMESZ= (((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK +GPOFF= FRAMESZ-(1*SZREG) +NESTED(clone,4*SZREG,sp) +#ifdef __PIC__ + SETUP_GP +#endif + PTR_SUBU sp, FRAMESZ + SETUP_GP64 (GPOFF, clone) +#ifdef __PIC__ + SAVE_GP (GPOFF) +#endif +#ifdef PROF + .set noat + move $1,ra + jal _mcount + .set at #endif /* Sanity check arguments. */ li v0,EINVAL - beqz a0,error /* No NULL function pointers. */ - beqz a1,error /* No NULL stack pointers. */ + beqz a0,L(error) /* No NULL function pointers. */ + beqz a1,L(error) /* No NULL stack pointers. */ -#if _MIPS_SIM != _MIPS_SIM_ABI32 - and a1,~(16-1) /* force alignment */ -#endif PTR_SUBU a1,32 /* Reserve argument save space. */ PTR_S a0,0(a1) /* Save function pointer. */ PTR_S a3,PTRSIZE(a1) /* Save argument pointer. */ +#ifdef RESET_PID + LONG_S a2,(PTRSIZE*2)(a1) /* Save clone flags. */ +#endif + move a0,a2 + + /* Shuffle in the last three arguments - arguments 5, 6, and 7 to + this function, but arguments 3, 4, and 5 to the syscall. */ +#if _MIPS_SIM == _ABIO32 + PTR_L a2,(FRAMESZ+PTRSIZE+PTRSIZE+16)(sp) + PTR_S a2,16(sp) + PTR_L a2,(FRAMESZ+16)(sp) + PTR_L a3,(FRAMESZ+PTRSIZE+16)(sp) +#else + move a2,a4 + move a3,a5 + move a4,a6 +#endif /* Do the system call */ - move a0,a2 li v0,__NR_clone syscall - bnez a3,error - beqz v0,__thread_start + bnez a3,L(error) + beqz v0,L(thread_start) /* Successful return from the parent */ -#if _MIPS_SIM != _MIPS_SIM_ABI32 - .cpreturn -#endif - PTR_ADDU sp,32 + RESTORE_GP64 + PTR_ADDU sp, FRAMESZ j $31 ; nop /* Something bad happened -- no child created */ -error: -#if _MIPS_SIM != _MIPS_SIM_ABI32 - .cpreturn -#endif - PTR_ADDU sp,32 - - /* uClibc change -- start */ - move a0,v0 /* Pass return val to C function. */ - /* uClibc change -- stop */ - +L(error): #ifdef __PIC__ PTR_LA t9,__syscall_error + RESTORE_GP64 + PTR_ADDU sp, FRAMESZ + /* uClibc change -- start */ + move a0,v0 /* Pass return val to C function. */ + /* uClibc change -- stop */ jr t9 #else + RESTORE_GP64 + PTR_ADDU sp, FRAMESZ + /* uClibc change -- start */ + move a0,v0 /* Pass return val to C function. */ + /* uClibc change -- stop */ j __syscall_error #endif - .end clone + END(clone) /* Load up the arguments to the function. Put this block of code in its own function so that we can terminate the stack trace with our debug info. */ -.globl __thread_start; - .align 2; - .ent __thread_start, 0; - -__thread_start: -#if _MIPS_SIM == _MIPS_SIM_ABI32 +ENTRY(__thread_start) +L(thread_start): /* cp is already loaded. */ - .cprestore 16 -#endif + SAVE_GP (GPOFF) /* The stackframe has been created on entry of clone(). */ + +#ifdef RESET_PID + /* Check and see if we need to reset the PID. */ + LONG_L a0,(PTRSIZE*2)(sp) + and a1,a0,CLONE_THREAD + beqz a1,L(restore_pid) +L(donepid): +#endif + /* Restore the arg for user's function. */ PTR_L t9,0(sp) /* Function pointer. */ PTR_L a0,PTRSIZE(sp) /* Argument pointer. */ @@ -123,5 +146,27 @@ __thread_start: /* Call _exit rather than doing it inline for breakpoint purposes. */ move a0,v0 - jal HIDDEN_JUMPTARGET(_exit) - .end __thread_start +#ifdef __PIC__ + PTR_LA t9,_exit + jalr t9 +#else + jal _exit +#endif + +#ifdef RESET_PID +L(restore_pid): + and a1,a0,CLONE_VM + li v0,-1 + bnez a1,L(gotpid) + li v0,__NR_getpid + syscall +L(gotpid): + READ_THREAD_POINTER(v1) + INT_S v0,PID_OFFSET(v1) + INT_S v0,TID_OFFSET(v1) + b L(donepid) +#endif + + END(__thread_start) + +weak_alias(clone, __clone) diff --git a/libc/sysdeps/linux/mips/crt1.S b/libc/sysdeps/linux/mips/crt1.S index 2e38cf07c..083615515 100644 --- a/libc/sysdeps/linux/mips/crt1.S +++ b/libc/sysdeps/linux/mips/crt1.S @@ -31,9 +31,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #include <sys/regdef.h> @@ -81,34 +80,17 @@ #endif .type main,@function .type __uClibc_main,@function + .ent __start __start: #ifdef __PIC__ -#if _MIPS_SIM == _MIPS_SIM_ABI32 - .set noreorder - move $0, $31 /* Save old ra. */ - bal 10f /* Find addr of cpload. */ - nop -10: - .cpload $31 - move $31, $0 - .set reorder -#else - move $0, $31; /* Save old ra. */ - .set noreorder - bal 10f /* Find addr of .cpsetup. */ - nop -10: - .set reorder - .cpsetup $31, $25, 10b - move $31, $0 -#endif + SETUP_GPX($0) + SETUP_GPX64($25,$0) #else - la $28, _gp /* Setup GP correctly if we're non-PIC. */ + PTR_LA $28, _gp /* Setup GP correctly if we're non-PIC. */ move $31, $0 #endif - PTR_LA $4, main /* main */ PTR_L $5, 0($29) /* argc */ PTR_ADDIU $6, $29, PTRSIZE /* argv */ @@ -116,18 +98,18 @@ __start: /* Allocate space on the stack for seven arguments and * make sure the stack is aligned to double words (8 bytes) */ + and $29, -2 * SZREG + #if _MIPS_SIM == _MIPS_SIM_ABI32 - and $29, -2 * 4 - subu $29, 32 - la $7, _init /* init */ - la $8, _fini - sw $8, 16($29) /* fini */ - sw $2, 20($29) /* rtld_fini */ - sw $29, 24($29) /* stack_end */ -#else - and $29, -2 * PTRSIZE + PTR_SUBIU $29, 32 +#endif PTR_LA $7, _init /* init */ - PTR_LA $8, _fini /* fini */ + PTR_LA $8, _fini +#if _MIPS_SIM == _MIPS_SIM_ABI32 + PTR_S $8, 16($29) /* fini */ + PTR_S $2, 20($29) /* rtld_fini */ + PTR_S $29, 24($29) /* stack_end */ +#else move $9, $2 /* rtld_fini */ move $10, $29 /* stack_end */ #endif @@ -136,6 +118,7 @@ hlt: /* Crash if somehow `__uClibc_main' returns anyway. */ b hlt .size __start,.-__start +.end __start /* Define a symbol for the first piece of initialized data. */ .data @@ -145,4 +128,3 @@ __data_start: .weak data_start data_start = __data_start - diff --git a/libc/sysdeps/linux/mips/crtn.S b/libc/sysdeps/linux/mips/crtn.S index cedd593f0..f3756a2f1 100644 --- a/libc/sysdeps/linux/mips/crtn.S +++ b/libc/sysdeps/linux/mips/crtn.S @@ -10,7 +10,6 @@ #NO_APP .align 2 .globl _init - .ent _init .type _init, @function #NO_APP lw $31,28($sp) @@ -22,14 +21,12 @@ .set macro .set reorder - .end _init #APP .section .fini #NO_APP .align 2 .globl _fini - .ent _fini .type _fini, @function #NO_APP lw $31,28($sp) @@ -41,7 +38,6 @@ .set macro .set reorder - .end _fini #APP .ident "GCC: (GNU) 3.3.2" @@ -54,10 +50,8 @@ .section .init #NO_APP - .align 2 .align 3 .globl _init - .ent _init .type _init, @function #NO_APP ld $31,8($sp) @@ -68,16 +62,12 @@ addiu $sp,$sp,16 .set macro .set reorder - - .end _init #APP .section .fini #NO_APP - .align 2 .align 3 .globl _fini - .ent _fini .type _fini, @function #NO_APP ld $31,8($sp) @@ -89,7 +79,6 @@ .set macro .set reorder - .end _fini #APP .ident "GCC: (GNU) 3.4.3" @@ -105,7 +94,6 @@ #NO_APP .align 2 .globl _init - .ent _init .type _init, @function #NO_APP ld $31,24($sp) @@ -118,14 +106,12 @@ .set macro .set reorder - .end _init #APP .section .fini #NO_APP .align 2 .globl _fini - .ent _fini .type _fini, @function #NO_APP ld $31,24($sp) @@ -138,7 +124,6 @@ .set macro .set reorder - .end _fini #APP .ident "GCC: (GNU) 3.3.2" diff --git a/libc/sysdeps/linux/mips/fpu_control.h b/libc/sysdeps/linux/mips/fpu_control.h index c58b23503..f855af506 100644 --- a/libc/sysdeps/linux/mips/fpu_control.h +++ b/libc/sysdeps/linux/mips/fpu_control.h @@ -14,9 +14,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _FPU_CONTROL_H #define _FPU_CONTROL_H diff --git a/libc/sysdeps/linux/mips/getcontext.S b/libc/sysdeps/linux/mips/getcontext.S new file mode 100644 index 000000000..c4ad081b0 --- /dev/null +++ b/libc/sysdeps/linux/mips/getcontext.S @@ -0,0 +1,148 @@ +/* Save current context. + Copyright (C) 2009 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Maciej W. Rozycki <macro@codesourcery.com>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> +#include <sys/asm.h> +#include <sys/fpregdef.h> +#include <sys/regdef.h> + +#include "ucontext_i.h" + +/* int getcontext (ucontext_t *ucp) */ + + .text +LOCALSZ = 0 +MASK = 0x00000000 +#ifdef __PIC__ +LOCALSZ = 1 /* save gp */ +# if _MIPS_SIM != _ABIO32 +MASK = 0x10000000 +# endif +#endif +FRAMESZ = ((LOCALSZ * SZREG) + ALSZ) & ALMASK +GPOFF = FRAMESZ - (1 * SZREG) + +NESTED (__getcontext, FRAMESZ, ra) + .mask MASK, 0 + .fmask 0x00000000, 0 + +#ifdef __PIC__ + SETUP_GP + + move a2, sp +# define _SP a2 + +# if _MIPS_SIM != _ABIO32 + move a3, gp +# define _GP a3 +# endif + + PTR_ADDIU sp, -FRAMESZ + SETUP_GP64 (GPOFF, __getcontext) + SAVE_GP (GPOFF) + +#else /* ! __PIC__ */ +# define _SP sp +# define _GP gp + +#endif /* ! __PIC__ */ + +#ifdef PROF + .set noat + move AT, ra + jal _mcount + .set at +#endif + + /* Store a magic flag. */ + li v1, 1 + REG_S v1, (0 * SZREG + MCONTEXT_GREGS)(a0) /* zero */ + + REG_S s0, (16 * SZREG + MCONTEXT_GREGS)(a0) + REG_S s1, (17 * SZREG + MCONTEXT_GREGS)(a0) + REG_S s2, (18 * SZREG + MCONTEXT_GREGS)(a0) + REG_S s3, (19 * SZREG + MCONTEXT_GREGS)(a0) + REG_S s4, (20 * SZREG + MCONTEXT_GREGS)(a0) + REG_S s5, (21 * SZREG + MCONTEXT_GREGS)(a0) + REG_S s6, (22 * SZREG + MCONTEXT_GREGS)(a0) + REG_S s7, (23 * SZREG + MCONTEXT_GREGS)(a0) +#if ! defined (__PIC__) || _MIPS_SIM != _ABIO32 + REG_S _GP, (28 * SZREG + MCONTEXT_GREGS)(a0) +#endif + REG_S _SP, (29 * SZREG + MCONTEXT_GREGS)(a0) + REG_S fp, (30 * SZREG + MCONTEXT_GREGS)(a0) + REG_S ra, (31 * SZREG + MCONTEXT_GREGS)(a0) + REG_S ra, MCONTEXT_PC(a0) + +#ifdef __mips_hard_float +# if _MIPS_SIM == _ABI64 + s.d fs0, (24 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs1, (25 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs2, (26 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs3, (27 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs4, (28 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs5, (29 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs6, (30 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs7, (31 * SZREG + MCONTEXT_FPREGS)(a0) + +# else /* _MIPS_SIM != _ABI64 */ + s.d fs0, (20 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs1, (22 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs2, (24 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs3, (26 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs4, (28 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs5, (30 * SZREG + MCONTEXT_FPREGS)(a0) + +# endif /* _MIPS_SIM != _ABI64 */ + + cfc1 v1, fcr31 + sw v1, MCONTEXT_FPC_CSR(a0) +#endif /* __mips_hard_float */ + +/* rt_sigprocmask (SIG_BLOCK, NULL, &ucp->uc_sigmask, _NSIG8) */ + li a3, _NSIG8 + PTR_ADDU a2, a0, UCONTEXT_SIGMASK + move a1, zero + li a0, SIG_BLOCK + + li v0, SYS_ify (rt_sigprocmask) + syscall + bnez a3, 99f + +#ifdef __PIC__ + RESTORE_GP64 + PTR_ADDIU sp, FRAMESZ +#endif + move v0, zero + jr ra + +99: +#ifdef __PIC__ + PTR_LA t9, JUMPTARGET (__syscall_error) + RESTORE_GP64 + PTR_ADDIU sp, FRAMESZ + jr t9 + +#else /* ! __PIC__ */ + + j JUMPTARGET (__syscall_error) +#endif /* ! __PIC__ */ +PSEUDO_END (__getcontext) + +weak_alias (__getcontext, getcontext) diff --git a/libc/sysdeps/linux/mips/jmpbuf-unwind.h b/libc/sysdeps/linux/mips/jmpbuf-unwind.h new file mode 100644 index 000000000..2c0df95f5 --- /dev/null +++ b/libc/sysdeps/linux/mips/jmpbuf-unwind.h @@ -0,0 +1,22 @@ +/* + * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ +#include <setjmp.h> + +/* Test if longjmp to JMPBUF would unwind the frame + containing a local variable at ADDRESS. */ +#define _JMPBUF_UNWINDS(jmpbuf, address) \ + ((void *) (address) < (void *) (jmpbuf)[0].__sp) + +#ifdef __UCLIBC_HAS_THREADS_NATIVE__ +#include <stdint.h> +#include <unwind.h> + +#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \ + _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj) + +#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \ + ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[0].__sp - (_adj)) +#endif diff --git a/libc/sysdeps/linux/mips/kernel_rt_sigframe.h b/libc/sysdeps/linux/mips/kernel_rt_sigframe.h new file mode 100644 index 000000000..77ffaf68d --- /dev/null +++ b/libc/sysdeps/linux/mips/kernel_rt_sigframe.h @@ -0,0 +1,10 @@ +/* Linux kernel RT signal frame. */ +typedef struct kernel_rt_sigframe + { + uint32_t rs_ass[4]; + uint32_t rs_code[2]; + siginfo_t rs_info; + struct ucontext rs_uc; + uint32_t rs_altcode[8] __attribute__ ((__aligned__ (1 << 7))); + } +kernel_rt_sigframe_t; diff --git a/libc/sysdeps/linux/mips/makecontext.S b/libc/sysdeps/linux/mips/makecontext.S new file mode 100644 index 000000000..6427339a6 --- /dev/null +++ b/libc/sysdeps/linux/mips/makecontext.S @@ -0,0 +1,188 @@ +/* Modify saved context. + Copyright (C) 2009 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Maciej W. Rozycki <macro@codesourcery.com>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> +#include <sys/asm.h> +#include <sys/fpregdef.h> +#include <sys/regdef.h> + +#include "ucontext_i.h" + +/* int makecontext (ucontext_t *ucp, (void *func) (), int argc, ...) */ + + .text +LOCALSZ = 0 +ARGSZ = 0 +MASK = 0x00000000 +#ifdef __PIC__ +LOCALSZ = 1 /* save gp */ +#endif +#if _MIPS_SIM != _ABIO32 +ARGSZ = 5 /* save a3-a7 */ +# ifdef __PIC__ +MASK = 0x10000000 +# endif +#endif +FRAMESZ = (((ARGSZ + LOCALSZ) * SZREG) + ALSZ) & ALMASK +GPOFF = FRAMESZ - ((ARGSZ + 1) * SZREG) +#if _MIPS_SIM != _ABIO32 +A3OFF = FRAMESZ - (5 * SZREG) /* callee-allocated */ +A4OFF = FRAMESZ - (4 * SZREG) +A5OFF = FRAMESZ - (3 * SZREG) +A6OFF = FRAMESZ - (2 * SZREG) +A7OFF = FRAMESZ - (1 * SZREG) +NARGREGS = 8 +#else +A3OFF = FRAMESZ + (3 * SZREG) /* caller-allocated */ +NARGREGS = 4 +#endif + +NESTED (__makecontext, FRAMESZ, ra) + .mask MASK, -(ARGSZ * SZREG) + .fmask 0x00000000, 0 + +98: +#ifdef __PIC__ + SETUP_GP +#endif + + PTR_ADDIU sp, -FRAMESZ + +#ifdef __PIC__ + SETUP_GP64 (GPOFF, __makecontext) + SAVE_GP (GPOFF) +#endif + +#ifdef PROF + .set noat + move AT, ra + jal _mcount + .set at +#endif + + /* Store args to be passed. */ + REG_S a3, A3OFF(sp) +#if _MIPS_SIM != _ABIO32 + REG_S a4, A4OFF(sp) + REG_S a5, A5OFF(sp) + REG_S a6, A6OFF(sp) + REG_S a7, A7OFF(sp) +#endif + + /* Store a magic flag. */ + li v1, 1 + REG_S v1, (0 * SZREG + MCONTEXT_GREGS)(a0) /* zero */ + + /* Set up the stack. */ + PTR_L t0, STACK_SP(a0) + PTR_L t2, STACK_SIZE(a0) + PTR_ADDIU t1, sp, A3OFF + PTR_ADDU t0, t2 + and t0, ALMASK + blez a2, 2f /* no arguments */ + + /* Store register arguments. */ + PTR_ADDIU t2, a0, MCONTEXT_GREGS + 4 * SZREG + move t3, zero +0: + addiu t3, 1 + REG_L v1, (t1) + PTR_ADDIU t1, SZREG + REG_S v1, (t2) + PTR_ADDIU t2, SZREG + bgeu t3, a2, 2f /* all done */ + bltu t3, NARGREGS, 0b /* next */ + + /* Make room for stack arguments. */ + PTR_SUBU t2, a2, t3 + PTR_SLL t2, 3 + PTR_SUBU t0, t2 + and t0, ALMASK + + /* Store stack arguments. */ + move t2, t0 +1: + addiu t3, 1 + REG_L v1, (t1) + PTR_ADDIU t1, SZREG + REG_S v1, (t2) + PTR_ADDIU t2, SZREG + bltu t3, a2, 1b /* next */ + +2: +#if _MIPS_SIM == _ABIO32 + /* Make room for a0-a3 storage. */ + PTR_ADDIU t0, -(NARGSAVE * SZREG) +#endif + PTR_L v1, UCONTEXT_LINK(a0) +#ifdef __PIC__ + PTR_ADDIU t9, 99f - 98b +#else + PTR_LA t9, 99f +#endif + REG_S t0, (29 * SZREG + MCONTEXT_GREGS)(a0) /* sp */ + REG_S v1, (16 * SZREG + MCONTEXT_GREGS)(a0) /* s0 */ +#ifdef __PIC__ + REG_S gp, (17 * SZREG + MCONTEXT_GREGS)(a0) /* s1 */ +#endif + REG_S t9, (31 * SZREG + MCONTEXT_GREGS)(a0) /* ra */ + REG_S a1, MCONTEXT_PC(a0) + +#ifdef __PIC__ + RESTORE_GP64 + PTR_ADDIU sp, FRAMESZ +#endif + jr ra + +99: +#ifdef __PIC__ + move gp, s1 +#endif + move a0, zero + beqz s0, 0f + + /* setcontext (ucp) */ + move a0, s0 +#ifdef __PIC__ + PTR_LA t9, JUMPTARGET (__setcontext) + jalr t9 +# if _MIPS_SIM == _ABIO32 + move gp, s1 +# endif +#else + jal JUMPTARGET (__setcontext) +#endif + move a0, v0 + +0: + /* exit (a0) */ +#ifdef __PIC__ + PTR_LA t9, HIDDEN_JUMPTARGET (exit) + jalr t9 +#else + jal HIDDEN_JUMPTARGET (exit) +#endif + + /* You don't exist, you won't feel anything. */ +1: + lb zero, (zero) + b 1b +PSEUDO_END (__makecontext) + +weak_alias (__makecontext, makecontext) diff --git a/libc/sysdeps/linux/mips/mmap.c b/libc/sysdeps/linux/mips/mmap.c deleted file mode 100644 index 4e0897f45..000000000 --- a/libc/sysdeps/linux/mips/mmap.c +++ /dev/null @@ -1,27 +0,0 @@ -/* Use new style mmap for mips */ -/* - * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> - * - * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. - */ - -#include <unistd.h> -#include <errno.h> -#include <sys/mman.h> -#include <sys/syscall.h> - -libc_hidden_proto(mmap) - -#if 0 -/* For now, leave mmap using mmap1 since mmap2 seems - * to have issues (i.e. it doesn't work 100% properly). - */ -#ifdef __NR_mmap2 -# undef __NR_mmap -# define __NR_mmap __NR_mmap2 -#endif -#endif - -_syscall6 (__ptr_t, mmap, __ptr_t, addr, size_t, len, int, prot, - int, flags, int, fd, __off_t, offset); -libc_hidden_def(mmap) diff --git a/libc/sysdeps/linux/mips/posix_fadvise.c b/libc/sysdeps/linux/mips/posix_fadvise.c index 8546d96ba..b0110bfb2 100644 --- a/libc/sysdeps/linux/mips/posix_fadvise.c +++ b/libc/sysdeps/linux/mips/posix_fadvise.c @@ -8,19 +8,16 @@ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ -#include <features.h> -#include <unistd.h> -#include <errno.h> -#include <endian.h> -#include <stdint.h> -#include <sys/types.h> #include <sys/syscall.h> -#include <fcntl.h> -int posix_fadvise(int fd, off_t offset, off_t len, int advice) -{ /* MIPS kernel only has NR_fadvise64 which acts as NR_fadvise64_64 */ #ifdef __NR_fadvise64 +# include <fcntl.h> +# include <endian.h> +# include <bits/wordsize.h> + +int posix_fadvise(int fd, off_t offset, off_t len, int advice) +{ INTERNAL_SYSCALL_DECL(err); # if _MIPS_SIM == _ABIO32 int ret = INTERNAL_SYSCALL(fadvise64, err, 7, fd, 0, @@ -33,7 +30,9 @@ int posix_fadvise(int fd, off_t offset, off_t len, int advice) if (INTERNAL_SYSCALL_ERROR_P (ret, err)) return INTERNAL_SYSCALL_ERRNO (ret, err); return 0; -#else - return ENOSYS; -#endif } +# if defined __UCLIBC_HAS_LFS__ && __WORDSIZE == 64 +strong_alias(posix_fadvise,posix_fadvise64) +# endif + +#endif diff --git a/libc/sysdeps/linux/mips/posix_fadvise64.c b/libc/sysdeps/linux/mips/posix_fadvise64.c index d9b89d123..02244aaab 100644 --- a/libc/sysdeps/linux/mips/posix_fadvise64.c +++ b/libc/sysdeps/linux/mips/posix_fadvise64.c @@ -8,36 +8,28 @@ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ -#include <features.h> -#include <unistd.h> -#include <errno.h> -#include <endian.h> -#include <stdint.h> -#include <sys/types.h> +#include <_lfs_64.h> #include <sys/syscall.h> -#include <fcntl.h> +#include <bits/wordsize.h> -#ifdef __UCLIBC_HAS_LFS__ +/* MIPS kernel only has NR_fadvise64 which acts as NR_fadvise64_64 */ +#if defined __NR_fadvise64 && __WORDSIZE == 32 +# include <fcntl.h> +# include <endian.h> -int posix_fadvise64(int fd, __off64_t offset, __off64_t len, int advice) +int posix_fadvise64(int fd, off64_t offset, off64_t len, int advice) { -/* MIPS kernel only has NR_fadvise64 which acts as NR_fadvise64_64 */ -#ifdef __NR_fadvise64 INTERNAL_SYSCALL_DECL(err); -# if _MIPS_SIM == _MIPS_SIM_ABI32 +# if _MIPS_SIM == _ABIO32 int ret = INTERNAL_SYSCALL(fadvise64, err, 7, fd, 0, - __LONG_LONG_PAIR ((long) (offset >> 32), (long) offset), - __LONG_LONG_PAIR ((long) (len >> 32), (long) len), - advice); + __LONG_LONG_PAIR ((long) (offset >> 32), (long) offset), + __LONG_LONG_PAIR ((long) (len >> 32), (long) len), + advice); # else /* N32 || N64 */ int ret = INTERNAL_SYSCALL(fadvise64, err, 4, fd, offset, len, advice); # endif if (INTERNAL_SYSCALL_ERROR_P (ret, err)) return INTERNAL_SYSCALL_ERRNO (ret, err); return 0; -#else - return ENOSYS; -#endif } - -#endif /* __UCLIBC_HAS_LFS__ */ +#endif diff --git a/libc/sysdeps/linux/mips/pread_write.c b/libc/sysdeps/linux/mips/pread_write.c index 0939e17b6..1220fec54 100644 --- a/libc/sysdeps/linux/mips/pread_write.c +++ b/libc/sysdeps/linux/mips/pread_write.c @@ -4,112 +4,28 @@ * * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ -/* - * Based in part on the files - * ./sysdeps/unix/sysv/linux/pwrite.c, - * ./sysdeps/unix/sysv/linux/pread.c, - * sysdeps/posix/pread.c - * sysdeps/posix/pwrite.c - * from GNU libc 2.2.5, but reworked considerably... - */ #include <sys/syscall.h> #include <unistd.h> -#include <stdint.h> #include <endian.h> #include <sgidefs.h> -#ifdef __NR_pread64 /* Newer kernels renamed but it's the same. */ -# ifdef __NR_pread -# error "__NR_pread and __NR_pread64 both defined???" -# endif -# define __NR_pread __NR_pread64 +/* We should generalize this for 32bit userlands w/64bit regs. This applies + * to the x86_64 x32 and the mips n32 ABIs. */ +#if _MIPS_SIM == _MIPS_SIM_NABI32 +# define __NR___syscall_pread __NR_pread64 +static _syscall4(ssize_t, __syscall_pread, int, fd, void *, buf, size_t, count, off_t, offset) +# define MY_PREAD(fd, buf, count, offset) \ + __syscall_pread(fd, buf, count, offset) +# define MY_PREAD64(fd, buf, count, offset) \ + __syscall_pread(fd, buf, count, offset) + +# define __NR___syscall_pwrite __NR_pwrite64 +static _syscall4(ssize_t, __syscall_pwrite, int, fd, const void *, buf, size_t, count, off_t, offset) +# define MY_PWRITE(fd, buf, count, offset) \ + __syscall_pwrite(fd, buf, count, offset) +# define MY_PWRITE64(fd, buf, count, offset) \ + __syscall_pwrite(fd, buf, count, offset) #endif -extern __typeof(pread) __libc_pread; -extern __typeof(pwrite) __libc_pwrite; -#ifdef __UCLIBC_HAS_LFS__ -extern __typeof(pread64) __libc_pread64; -extern __typeof(pwrite64) __libc_pwrite64; -#endif - -#include <bits/kernel_types.h> - - -#ifdef __NR_pread - -# if _MIPS_SIM == _MIPS_SIM_ABI64 -# define __NR___libc_pread __NR_pread -_syscall4(ssize_t, __libc_pread, int, fd, void *, buf, size_t, count, off_t, offset); -weak_alias (__libc_pread, pread) -# ifdef __UCLIBC_HAS_LFS__ -# define __NR___libc_pread64 __NR_pread -_syscall4(ssize_t, __libc_pread64, int, fd, void *, buf, size_t, count, off64_t, offset); -weak_alias (__libc_pread64, pread64) -# endif /* __UCLIBC_HAS_LFS__ */ -# else /* O32 || N32 */ -# define __NR___syscall_pread __NR_pread -static __inline__ _syscall6(ssize_t, __syscall_pread, int, fd, void *, buf, - size_t, count, int, dummy, off_t, offset_hi, off_t, offset_lo); - -ssize_t __libc_pread(int fd, void *buf, size_t count, off_t offset) -{ - return(__syscall_pread(fd,buf,count,0,__LONG_LONG_PAIR(offset>>31,offset))); -} -weak_alias(__libc_pread,pread) - -# ifdef __UCLIBC_HAS_LFS__ -ssize_t __libc_pread64(int fd, void *buf, size_t count, off64_t offset) -{ - uint32_t low = offset & 0xffffffff; - uint32_t high = offset >> 32; - return(__syscall_pread(fd, buf, count, 0, __LONG_LONG_PAIR (high, low))); -} -weak_alias(__libc_pread64,pread64) -# endif /* __UCLIBC_HAS_LFS__ */ -# endif /* O32 || N32 */ - -#endif /* __NR_pread */ - -/**********************************************************************/ - -#ifdef __NR_pwrite64 /* Newer kernels renamed but it's the same. */ -# ifdef __NR_pwrite -# error "__NR_pwrite and __NR_pwrite64 both defined???" -# endif -# define __NR_pwrite __NR_pwrite64 -#endif - -#ifdef __NR_pwrite - -# if _MIPS_SIM == _MIPS_SIM_ABI64 -# define __NR___libc_pwrite __NR_pwrite -_syscall4(ssize_t, __libc_pwrite, int, fd, const void *, buf, size_t, count, off_t, offset); -weak_alias (__libc_pwrite, pwrite) -# ifdef __UCLIBC_HAS_LFS__ -# define __NR___libc_pwrite64 __NR_pwrite -_syscall4(ssize_t, __libc_pwrite64, int, fd, const void *, buf, size_t, count, off64_t, offset); -weak_alias (__libc_pwrite64, pwrite64) -# endif /* __UCLIBC_HAS_LFS__ */ -# else /* O32 || N32 */ -# define __NR___syscall_pwrite __NR_pwrite -static __inline__ _syscall6(ssize_t, __syscall_pwrite, int, fd, const void *, buf, - size_t, count, int, dummy, off_t, offset_hi, off_t, offset_lo); - -ssize_t __libc_pwrite(int fd, const void *buf, size_t count, off_t offset) -{ - return(__syscall_pwrite(fd,buf,count,0,__LONG_LONG_PAIR(offset>>31,offset))); -} -weak_alias(__libc_pwrite,pwrite) - -# ifdef __UCLIBC_HAS_LFS__ -ssize_t __libc_pwrite64(int fd, const void *buf, size_t count, off64_t offset) -{ - uint32_t low = offset & 0xffffffff; - uint32_t high = offset >> 32; - return(__syscall_pwrite(fd, buf, count, 0, __LONG_LONG_PAIR (high, low))); -} -weak_alias(__libc_pwrite64,pwrite64) -# endif /* __UCLIBC_HAS_LFS__ */ -# endif /* O32 || N32 */ -#endif /* __NR_pwrite */ +#include "../common/pread_write.c" diff --git a/libc/sysdeps/linux/mips/readahead.c b/libc/sysdeps/linux/mips/readahead.c deleted file mode 100644 index 9157c2762..000000000 --- a/libc/sysdeps/linux/mips/readahead.c +++ /dev/null @@ -1,41 +0,0 @@ -/* Provide kernel hint to read ahead. - Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <errno.h> -#include <fcntl.h> -#include <sys/types.h> -#include <sys/syscall.h> - -#ifdef __UCLIBC_HAS_LFS__ -#include <_lfs_64.h> -# ifdef __NR_readahead - -ssize_t readahead(int fd, off64_t offset, size_t count) -{ -# if _MIPS_SIM == _ABIO32 - return INLINE_SYSCALL (readahead, 5, fd, 0, - __LONG_LONG_PAIR ((off_t) (offset >> 32), (off_t) offset), - count); -# else /* N32 || N64 */ - return INLINE_SYSCALL (readahead, 3, fd, offset, count); -# endif -} - -# endif -#endif diff --git a/libc/sysdeps/linux/mips/setcontext.S b/libc/sysdeps/linux/mips/setcontext.S new file mode 100644 index 000000000..d3cde0e50 --- /dev/null +++ b/libc/sysdeps/linux/mips/setcontext.S @@ -0,0 +1,191 @@ +/* Set current context. + Copyright (C) 2009 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Maciej W. Rozycki <macro@codesourcery.com>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> +#include <sys/asm.h> +#include <sys/fpregdef.h> +#include <sys/regdef.h> + +#include "ucontext_i.h" + +/* int setcontext (const ucontext_t *ucp) */ + + .text +LOCALSZ = 0 +ARGSZ = 0 +MASK = 0x00000000 +#ifdef __PIC__ +LOCALSZ = 1 /* save gp */ +#endif +#if _MIPS_SIM != _ABIO32 +ARGSZ = 1 /* save a0 */ +# ifdef __PIC__ +MASK = 0x10000000 +# endif +#endif +FRAMESZ = (((ARGSZ + LOCALSZ) * SZREG) + ALSZ) & ALMASK +GPOFF = FRAMESZ - ((ARGSZ + 1) * SZREG) +#if _MIPS_SIM != _ABIO32 +A0OFF = FRAMESZ - (1 * SZREG) /* callee-allocated */ +#else +A0OFF = FRAMESZ + (0 * SZREG) /* caller-allocated */ +#endif + +NESTED (__setcontext, FRAMESZ, ra) + .mask MASK, -(ARGSZ * SZREG) + .fmask 0x00000000, 0 + +#ifdef __PIC__ + SETUP_GP +#endif + + PTR_ADDIU sp, -FRAMESZ + +#ifdef __PIC__ + SETUP_GP64 (GPOFF, __setcontext) + SAVE_GP (GPOFF) +#endif + +#ifdef PROF + .set noat + move AT, ra + jal _mcount + .set at +#endif + + /* Check for the magic flag. */ + li v0, 1 + REG_L v1, (0 * SZREG + MCONTEXT_GREGS)(a0) /* zero */ + bne v0, v1, 98f + + REG_S a0, A0OFF(sp) + +/* rt_sigprocmask (SIG_SETMASK, &ucp->uc_sigmask, NULL, _NSIG8) */ + li a3, _NSIG8 + move a2, zero + PTR_ADDU a1, a0, UCONTEXT_SIGMASK + li a0, SIG_SETMASK + + li v0, SYS_ify (rt_sigprocmask) + syscall + bnez a3, 99f + + REG_L v0, A0OFF(sp) + +#ifdef __mips_hard_float +# if _MIPS_SIM == _ABI64 + l.d fs0, (24 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs1, (25 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs2, (26 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs3, (27 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs4, (28 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs5, (29 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs6, (30 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs7, (31 * SZREG + MCONTEXT_FPREGS)(v0) + +# else /* _MIPS_SIM != _ABI64 */ + l.d fs0, (20 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs1, (22 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs2, (24 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs3, (26 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs4, (28 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs5, (30 * SZREG + MCONTEXT_FPREGS)(v0) + +# endif /* _MIPS_SIM != _ABI64 */ + + lw v1, MCONTEXT_FPC_CSR(v0) + ctc1 v1, fcr31 +#endif /* __mips_hard_float */ + + /* Note the contents of argument registers will be random + unless makecontext() has been called. */ + REG_L a0, (4 * SZREG + MCONTEXT_GREGS)(v0) + REG_L a1, (5 * SZREG + MCONTEXT_GREGS)(v0) + REG_L a2, (6 * SZREG + MCONTEXT_GREGS)(v0) + REG_L a3, (7 * SZREG + MCONTEXT_GREGS)(v0) +#if _MIPS_SIM != _ABIO32 + REG_L a4, (8 * SZREG + MCONTEXT_GREGS)(v0) + REG_L a5, (9 * SZREG + MCONTEXT_GREGS)(v0) + REG_L a6, (10 * SZREG + MCONTEXT_GREGS)(v0) + REG_L a7, (11 * SZREG + MCONTEXT_GREGS)(v0) +#endif + + REG_L s0, (16 * SZREG + MCONTEXT_GREGS)(v0) + REG_L s1, (17 * SZREG + MCONTEXT_GREGS)(v0) + REG_L s2, (18 * SZREG + MCONTEXT_GREGS)(v0) + REG_L s3, (19 * SZREG + MCONTEXT_GREGS)(v0) + REG_L s4, (20 * SZREG + MCONTEXT_GREGS)(v0) + REG_L s5, (21 * SZREG + MCONTEXT_GREGS)(v0) + REG_L s6, (22 * SZREG + MCONTEXT_GREGS)(v0) + REG_L s7, (23 * SZREG + MCONTEXT_GREGS)(v0) +#if ! defined (__PIC__) || _MIPS_SIM != _ABIO32 + REG_L gp, (28 * SZREG + MCONTEXT_GREGS)(v0) +#endif + REG_L sp, (29 * SZREG + MCONTEXT_GREGS)(v0) + REG_L fp, (30 * SZREG + MCONTEXT_GREGS)(v0) + REG_L ra, (31 * SZREG + MCONTEXT_GREGS)(v0) + REG_L t9, MCONTEXT_PC(v0) + + move v0, zero + jr t9 + +98: + /* This is a context obtained from a signal handler. + Perform a full restore by pushing the context + passed onto a simulated signal frame on the stack + and call the signal return syscall as if a signal + handler exited normally. */ + PTR_ADDIU sp, -((RT_SIGFRAME_SIZE + ALSZ) & ALMASK) + + /* Only ucontext is referred to from rt_sigreturn, + copy it. */ + PTR_ADDIU t1, sp, RT_SIGFRAME_UCONTEXT + li t3, ((UCONTEXT_SIZE + SZREG - 1) / SZREG) - 1 +0: + REG_L t2, (a0) + PTR_ADDIU a0, SZREG + REG_S t2, (t1) + PTR_ADDIU t1, SZREG + .set noreorder + bgtz t3, 0b + addiu t3, -1 + .set reorder + +/* rt_sigreturn () -- no arguments, sp points to struct rt_sigframe. */ + li v0, SYS_ify (rt_sigreturn) + syscall + + /* Restore the stack and fall through to the error + path. Successful rt_sigreturn never returns to + its calling place. */ + PTR_ADDIU sp, ((RT_SIGFRAME_SIZE + ALSZ) & ALMASK) +99: +#ifdef __PIC__ + PTR_LA t9, JUMPTARGET (__syscall_error) + RESTORE_GP64 + PTR_ADDIU sp, FRAMESZ + jr t9 + +#else /* ! __PIC__ */ + + j JUMPTARGET (__syscall_error) +#endif /* ! __PIC__ */ +PSEUDO_END (__setcontext) + +weak_alias (__setcontext, setcontext) diff --git a/libc/sysdeps/linux/mips/setjmp.S b/libc/sysdeps/linux/mips/setjmp.S index 226f75524..59b76cca6 100644 --- a/libc/sysdeps/linux/mips/setjmp.S +++ b/libc/sysdeps/linux/mips/setjmp.S @@ -12,9 +12,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #include <sys/regdef.h> #include <sys/asm.h> @@ -53,6 +52,7 @@ __sigsetjmp: PTR_LA t9, __sigsetjmp_aux #if _MIPS_SIM != _MIPS_SIM_ABI32 .cpreturn + move a4, gp #endif jr t9 #else diff --git a/libc/sysdeps/linux/mips/setjmp_aux.c b/libc/sysdeps/linux/mips/setjmp_aux.c index 751b32d7d..4338838d7 100644 --- a/libc/sysdeps/linux/mips/setjmp_aux.c +++ b/libc/sysdeps/linux/mips/setjmp_aux.c @@ -13,9 +13,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #include <features.h> #include <setjmp.h> @@ -27,11 +26,9 @@ pointer. We do things this way because it's difficult to reliably access them in C. */ -extern int __sigjmp_save (sigjmp_buf, int); - int #if _MIPS_SIM == _MIPS_SIM_ABI64 -__sigsetjmp_aux (jmp_buf env, int savemask, long sp, long fp) +__sigsetjmp_aux (jmp_buf env, int savemask, long long sp, long long fp, long long gp) #else /* O32 || N32 */ __sigsetjmp_aux (jmp_buf env, int savemask, int sp, int fp) #endif /* O32 || N32 */ @@ -65,14 +62,14 @@ __sigsetjmp_aux (jmp_buf env, int savemask, int sp, int fp) #endif /* .. and the stack pointer; */ - env[0].__jmpbuf[0].__sp = (void *) sp; + env[0].__jmpbuf[0].__sp = (__ptr_size) sp; /* .. and the FP; it'll be in s8. */ - env[0].__jmpbuf[0].__fp = (void *) fp; + env[0].__jmpbuf[0].__fp = (__ptr_size) fp; /* .. and the GP; */ #if _MIPS_SIM == _MIPS_SIM_ABI64 - __asm__ __volatile__ ("sd $gp, %0" : : "m" (env[0].__jmpbuf[0].__gp)); + env[0].__jmpbuf[0].__gp = (__ptr_size) gp; #else __asm__ __volatile__ ("sw $gp, %0" : : "m" (env[0].__jmpbuf[0].__gp)); #endif diff --git a/libc/sysdeps/linux/mips/sgidefs.h b/libc/sysdeps/linux/mips/sgidefs.h index 74509fdbd..37a03b208 100644 --- a/libc/sysdeps/linux/mips/sgidefs.h +++ b/libc/sysdeps/linux/mips/sgidefs.h @@ -13,9 +13,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _SGIDEFS_H #define _SGIDEFS_H 1 diff --git a/libc/sysdeps/linux/mips/sigaction.c b/libc/sysdeps/linux/mips/sigaction.c index 39d38b86f..252ffc6e3 100644 --- a/libc/sysdeps/linux/mips/sigaction.c +++ b/libc/sysdeps/linux/mips/sigaction.c @@ -13,8 +13,7 @@ You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. + see <http://www.gnu.org/licenses/>. Totally hacked up for uClibc by Erik Andersen <andersen@codepoet.org> */ @@ -27,109 +26,86 @@ #define SA_RESTORER 0x04000000 -extern __typeof(sigaction) __libc_sigaction; - #ifdef __NR_rt_sigaction -/* Experimentally off - libc_hidden_proto(memcpy) */ - -#if _MIPS_SIM != _ABIO32 - -# ifdef __NR_rt_sigreturn -static void restore_rt (void) __asm__ ("__restore_rt"); -# endif -# ifdef __NR_sigreturn -static void restore (void) __asm__ ("__restore"); +# if _MIPS_SIM != _ABIO32 +# ifdef __NR_rt_sigreturn +static void restore_rt(void) __asm__ ("__restore_rt"); +# endif +# ifdef __NR_sigreturn +static void restore(void) __asm__ ("__restore"); +# endif # endif -#endif /* If ACT is not NULL, change the action for SIG to *ACT. If OACT is not NULL, put the old action for SIG in *OACT. */ -int __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact) +int __libc_sigaction(int sig, const struct sigaction *act, struct sigaction *oact) { - int result; - struct kernel_sigaction kact, koact; - - if (act) { - kact.k_sa_handler = act->sa_handler; - memcpy (&kact.sa_mask, &act->sa_mask, sizeof (kact.sa_mask)); - kact.sa_flags = act->sa_flags; -# ifdef HAVE_SA_RESTORER -# if _MIPS_SIM == _ABIO32 - kact.sa_restorer = act->sa_restorer; -# else - kact.sa_restorer = &restore_rt; -# endif -# endif - } - - /* XXX The size argument hopefully will have to be changed to the - real size of the user-level sigset_t. */ - result = __syscall_rt_sigaction(sig, act ? __ptrvalue (&kact) : NULL, - oact ? __ptrvalue (&koact) : NULL, _NSIG / 8); - - if (oact && result >= 0) { - oact->sa_handler = koact.k_sa_handler; - memcpy (&oact->sa_mask, &koact.sa_mask, sizeof (oact->sa_mask)); - oact->sa_flags = koact.sa_flags; -# ifdef HAVE_SA_RESTORER - oact->sa_restorer = koact.sa_restorer; +# if _MIPS_SIM != _ABIO32 + struct sigaction kact; + if (act) { + memcpy(&kact, act, sizeof(kact)); + kact.sa_restorer = &restore_rt; + act = &kact; + } # endif - } - return result; -} + /* NB: kernel (as of 2.6.25) will return EINVAL + * if sizeof(act->sa_mask) does not match kernel's sizeof(sigset_t) */ + return __syscall_rt_sigaction(sig, act, oact, sizeof(act->sa_mask)); +} #else -extern void restore (void) __asm__ ("__restore") attribute_hidden; + +extern void restore(void) __asm__ ("__restore") attribute_hidden; /* If ACT is not NULL, change the action for SIG to *ACT. If OACT is not NULL, put the old action for SIG in *OACT. */ -int __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact) +int __libc_sigaction(int sig, const struct sigaction *act, struct sigaction *oact) { - int result; - struct old_kernel_sigaction kact, koact; - - if (act) { - kact.k_sa_handler = act->sa_handler; - kact.sa_mask = act->sa_mask.__val[0]; - kact.sa_flags = act->sa_flags; -# ifdef HAVE_SA_RESTORER -# if _MIPS_SIM == _ABIO32 - kact.sa_restorer = act->sa_restorer; -# else - kact.sa_restorer = &restore_rt; -# endif -# endif - } - - result = __syscall_sigaction(sig, act ? __ptrvalue (&kact) : NULL, - oact ? __ptrvalue (&koact) : NULL); - - if (result < 0) { - __set_errno(-result); - return -1; - } - - if (oact) { - oact->sa_handler = koact.k_sa_handler; - oact->sa_mask.__val[0] = koact.sa_mask; - oact->sa_flags = koact.sa_flags; -# ifdef HAVE_SA_RESTORER - oact->sa_restorer = koact.sa_restorer; + int result; + struct old_kernel_sigaction kact, koact; + + if (act) { + kact.k_sa_handler = act->sa_handler; + kact.sa_mask = act->sa_mask.__val[0]; + kact.sa_flags = act->sa_flags; +# if _MIPS_SIM == _ABIO32 + kact.sa_restorer = act->sa_restorer; +# else + kact.sa_restorer = &restore_rt; # endif - } - return result; + } + result = __syscall_sigaction(sig, + act ? &kact : NULL, + oact ? &koact : NULL); + if (result < 0) { + __set_errno(-result); + return -1; + } + if (oact) { + oact->sa_handler = koact.k_sa_handler; + oact->sa_mask.__val[0] = koact.sa_mask; + oact->sa_flags = koact.sa_flags; + oact->sa_restorer = koact.sa_restorer; + } + return result; } #endif + #ifndef LIBC_SIGACTION -libc_hidden_proto(sigaction) +# ifndef __UCLIBC_HAS_THREADS__ +strong_alias(__libc_sigaction,sigaction) +libc_hidden_def(sigaction) +# else weak_alias(__libc_sigaction,sigaction) libc_hidden_weak(sigaction) +# endif #endif + /* NOTE: Please think twice before making any changes to the bits of code below. GDB needs some intimate knowledge about it to recognize them as signal trampolines, and make backtraces through @@ -138,21 +114,21 @@ libc_hidden_weak(sigaction) If you ever feel the need to make any changes, please notify the appropriate GDB maintainer. */ -#define RESTORE(name, syscall) RESTORE2 (name, syscall) +#define RESTORE(name, syscall) RESTORE2(name, syscall) #define RESTORE2(name, syscall) \ -__asm__ ( \ - ".align 4\n" \ - "__" #name ":\n" \ - " li $2, " #syscall "\n" \ - " syscall\n" \ - ); +__asm__ ( \ + ".align 4\n" \ + "__" #name ":\n" \ + " li $2, " #syscall "\n" \ + " syscall\n" \ +); /* The return code for realtime-signals. */ #if _MIPS_SIM != _ABIO32 # ifdef __NR_rt_sigreturn -RESTORE (restore_rt, __NR_rt_sigreturn) +RESTORE(restore_rt, __NR_rt_sigreturn) # endif # ifdef __NR_sigreturn -RESTORE (restore, __NR_sigreturn) +RESTORE(restore, __NR_sigreturn) # endif #endif diff --git a/libc/sysdeps/linux/mips/swapcontext.S b/libc/sysdeps/linux/mips/swapcontext.S new file mode 100644 index 000000000..c7ac19b9f --- /dev/null +++ b/libc/sysdeps/linux/mips/swapcontext.S @@ -0,0 +1,211 @@ +/* Save and set current context. + Copyright (C) 2009 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Maciej W. Rozycki <macro@codesourcery.com>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> +#include <sys/asm.h> +#include <sys/fpregdef.h> +#include <sys/regdef.h> + +#include "ucontext_i.h" + +/* int swapcontext (ucontext_t *oucp, const ucontext_t *ucp) */ + + .text +LOCALSZ = 0 +ARGSZ = 0 +MASK = 0x00000000 +#ifdef __PIC__ +LOCALSZ = 1 /* save gp */ +#endif +#if _MIPS_SIM != _ABIO32 +ARGSZ = 1 /* save a1 */ +# ifdef __PIC__ +MASK = 0x10000000 +# endif +#endif +FRAMESZ = (((ARGSZ + LOCALSZ) * SZREG) + ALSZ) & ALMASK +GPOFF = FRAMESZ - ((ARGSZ + 1) * SZREG) +#if _MIPS_SIM != _ABIO32 +A1OFF = FRAMESZ - (1 * SZREG) /* callee-allocated */ +#else +A1OFF = FRAMESZ + (1 * SZREG) /* caller-allocated */ +#endif + +NESTED (__swapcontext, FRAMESZ, ra) + .mask MASK, -(ARGSZ * SZREG) + .fmask 0x00000000, 0 + +#ifdef __PIC__ + SETUP_GP + + move a2, sp +# define _SP a2 + +# if _MIPS_SIM != _ABIO32 + move a3, gp +# define _GP a3 +# endif + + PTR_ADDIU sp, -FRAMESZ + SETUP_GP64 (GPOFF, __swapcontext) + SAVE_GP (GPOFF) + +#else /* ! __PIC__ */ +# define _SP sp +# define _GP gp + +#endif /* ! __PIC__ */ + +#ifdef PROF + .set noat + move AT, ra + jal _mcount + .set at +#endif + + /* Store a magic flag. */ + li v1, 1 + REG_S v1, (0 * SZREG + MCONTEXT_GREGS)(a0) /* zero */ + + REG_S s0, (16 * SZREG + MCONTEXT_GREGS)(a0) + REG_S s1, (17 * SZREG + MCONTEXT_GREGS)(a0) + REG_S s2, (18 * SZREG + MCONTEXT_GREGS)(a0) + REG_S s3, (19 * SZREG + MCONTEXT_GREGS)(a0) + REG_S s4, (20 * SZREG + MCONTEXT_GREGS)(a0) + REG_S s5, (21 * SZREG + MCONTEXT_GREGS)(a0) + REG_S s6, (22 * SZREG + MCONTEXT_GREGS)(a0) + REG_S s7, (23 * SZREG + MCONTEXT_GREGS)(a0) +#if ! defined (__PIC__) || _MIPS_SIM != _ABIO32 + REG_S _GP, (28 * SZREG + MCONTEXT_GREGS)(a0) +#endif + REG_S _SP, (29 * SZREG + MCONTEXT_GREGS)(a0) + REG_S fp, (30 * SZREG + MCONTEXT_GREGS)(a0) + REG_S ra, (31 * SZREG + MCONTEXT_GREGS)(a0) + REG_S ra, MCONTEXT_PC(a0) + +#ifdef __mips_hard_float +# if _MIPS_SIM == _ABI64 + s.d fs0, (24 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs1, (25 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs2, (26 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs3, (27 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs4, (28 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs5, (29 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs6, (30 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs7, (31 * SZREG + MCONTEXT_FPREGS)(a0) + +# else /* _MIPS_SIM != _ABI64 */ + s.d fs0, (20 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs1, (22 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs2, (24 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs3, (26 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs4, (28 * SZREG + MCONTEXT_FPREGS)(a0) + s.d fs5, (30 * SZREG + MCONTEXT_FPREGS)(a0) + +# endif /* _MIPS_SIM != _ABI64 */ + + cfc1 v1, fcr31 + sw v1, MCONTEXT_FPC_CSR(a0) +#endif /* __mips_hard_float */ + + REG_S a1, A1OFF(sp) + +/* rt_sigprocmask (SIG_SETMASK, &ucp->uc_sigmask, &oucp->uc_sigmask, _NSIG8) */ + li a3, _NSIG8 + PTR_ADDU a2, a0, UCONTEXT_SIGMASK + PTR_ADDU a1, a1, UCONTEXT_SIGMASK + li a0, SIG_SETMASK + + li v0, SYS_ify (rt_sigprocmask) + syscall + bnez a3, 99f + + REG_L v0, A1OFF(sp) + +#ifdef __mips_hard_float +# if _MIPS_SIM == _ABI64 + l.d fs0, (24 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs1, (25 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs2, (26 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs3, (27 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs4, (28 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs5, (29 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs6, (30 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs7, (31 * SZREG + MCONTEXT_FPREGS)(v0) + +# else /* _MIPS_SIM != _ABI64 */ + l.d fs0, (20 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs1, (22 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs2, (24 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs3, (26 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs4, (28 * SZREG + MCONTEXT_FPREGS)(v0) + l.d fs5, (30 * SZREG + MCONTEXT_FPREGS)(v0) + +# endif /* _MIPS_SIM != _ABI64 */ + + lw v1, MCONTEXT_FPC_CSR(v0) + ctc1 v1, fcr31 +#endif /* __mips_hard_float */ + + /* Note the contents of argument registers will be random + unless makecontext() has been called. */ + REG_L a0, (4 * SZREG + MCONTEXT_GREGS)(v0) + REG_L a1, (5 * SZREG + MCONTEXT_GREGS)(v0) + REG_L a2, (6 * SZREG + MCONTEXT_GREGS)(v0) + REG_L a3, (7 * SZREG + MCONTEXT_GREGS)(v0) +#if _MIPS_SIM != _ABIO32 + REG_L a4, (8 * SZREG + MCONTEXT_GREGS)(v0) + REG_L a5, (9 * SZREG + MCONTEXT_GREGS)(v0) + REG_L a6, (10 * SZREG + MCONTEXT_GREGS)(v0) + REG_L a7, (11 * SZREG + MCONTEXT_GREGS)(v0) +#endif + + REG_L s0, (16 * SZREG + MCONTEXT_GREGS)(v0) + REG_L s1, (17 * SZREG + MCONTEXT_GREGS)(v0) + REG_L s2, (18 * SZREG + MCONTEXT_GREGS)(v0) + REG_L s3, (19 * SZREG + MCONTEXT_GREGS)(v0) + REG_L s4, (20 * SZREG + MCONTEXT_GREGS)(v0) + REG_L s5, (21 * SZREG + MCONTEXT_GREGS)(v0) + REG_L s6, (22 * SZREG + MCONTEXT_GREGS)(v0) + REG_L s7, (23 * SZREG + MCONTEXT_GREGS)(v0) +#if ! defined (__PIC__) || _MIPS_SIM != _ABIO32 + REG_L gp, (28 * SZREG + MCONTEXT_GREGS)(v0) +#endif + REG_L sp, (29 * SZREG + MCONTEXT_GREGS)(v0) + REG_L fp, (30 * SZREG + MCONTEXT_GREGS)(v0) + REG_L ra, (31 * SZREG + MCONTEXT_GREGS)(v0) + REG_L t9, MCONTEXT_PC(v0) + + move v0, zero + jr t9 + +99: +#ifdef __PIC__ + PTR_LA t9, JUMPTARGET (__syscall_error) + RESTORE_GP64 + PTR_ADDIU sp, FRAMESZ + jr t9 + +#else /* ! __PIC__ */ + + j JUMPTARGET (__syscall_error) +#endif /* ! __PIC__ */ +PSEUDO_END (__swapcontext) + +weak_alias (__swapcontext, swapcontext) diff --git a/libc/sysdeps/linux/mips/sys/asm.h b/libc/sysdeps/linux/mips/sys/asm.h index 76f6af3e1..809bde406 100644 --- a/libc/sysdeps/linux/mips/sys/asm.h +++ b/libc/sysdeps/linux/mips/sys/asm.h @@ -13,9 +13,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _SYS_ASM_H #define _SYS_ASM_H @@ -97,6 +96,7 @@ l: \ # define SETUP_GPX64_L(cp_reg, ra_save, l) # define RESTORE_GP64 # define USE_ALT_CP(a) +# define L(label) $L ## label #else /* (_MIPS_SIM == _MIPS_SIM_ABI64) || (_MIPS_SIM == _MIPS_SIM_NABI32) */ /* * For callee-saved gp calling convention: @@ -131,6 +131,7 @@ l: \ /* Use alternate register for context pointer. */ # define USE_ALT_CP(reg) \ .cplocal reg +# define L(label) .L ## label #endif /* _MIPS_SIM != _MIPS_SIM_ABI32 */ /* @@ -324,7 +325,7 @@ symbol = value # define INT_ADDI addi # define INT_ADDU addu # define INT_ADDIU addiu -# define INT_SUB add +# define INT_SUB sub # define INT_SUBI subi # define INT_SUBU subu # define INT_SUBIU subu @@ -337,7 +338,7 @@ symbol = value # define INT_ADDI daddi # define INT_ADDU daddu # define INT_ADDIU daddiu -# define INT_SUB dadd +# define INT_SUB dsub # define INT_SUBI dsubi # define INT_SUBU dsubu # define INT_SUBIU dsubu @@ -353,7 +354,7 @@ symbol = value # define LONG_ADDI addi # define LONG_ADDU addu # define LONG_ADDIU addiu -# define LONG_SUB add +# define LONG_SUB sub # define LONG_SUBI subi # define LONG_SUBU subu # define LONG_SUBIU subu @@ -372,7 +373,7 @@ symbol = value # define LONG_ADDI daddi # define LONG_ADDU daddu # define LONG_ADDIU daddiu -# define LONG_SUB dadd +# define LONG_SUB dsub # define LONG_SUBI dsubi # define LONG_SUBU dsubu # define LONG_SUBIU dsubu @@ -394,7 +395,7 @@ symbol = value # define PTR_ADDI addi # define PTR_ADDU addu # define PTR_ADDIU addiu -# define PTR_SUB add +# define PTR_SUB sub # define PTR_SUBI subi # define PTR_SUBU subu # define PTR_SUBIU subu @@ -416,7 +417,7 @@ symbol = value # define PTR_ADDI addi # define PTR_ADDU add /* no u */ # define PTR_ADDIU addi /* no u */ -# define PTR_SUB add +# define PTR_SUB sub # define PTR_SUBI subi # define PTR_SUBU sub /* no u */ # define PTR_SUBIU sub /* no u */ @@ -439,7 +440,7 @@ symbol = value # define PTR_ADDI daddi # define PTR_ADDU daddu # define PTR_ADDIU daddiu -# define PTR_SUB dadd +# define PTR_SUB dsub # define PTR_SUBI dsubi # define PTR_SUBU dsubu # define PTR_SUBIU dsubu @@ -470,4 +471,20 @@ symbol = value # define MTC0 dmtc0 #endif +/* The MIPS archtectures do not have a uniform memory model. Particular + platforms may provide additional guarantees - for instance, the R4000 + LL and SC instructions implicitly perform a SYNC, and the 4K promises + strong ordering. + + However, in the absence of those guarantees, we must assume weak ordering + and SYNC explicitly where necessary. + + Some obsolete MIPS processors may not support the SYNC instruction. This + applies to "true" MIPS I processors; most of the processors which compile + using MIPS I implement parts of MIPS II. */ + +#ifndef MIPS_SYNC +# define MIPS_SYNC sync +#endif + #endif /* sys/asm.h */ diff --git a/libc/sysdeps/linux/mips/sys/cachectl.h b/libc/sysdeps/linux/mips/sys/cachectl.h index a93e1fb6d..034999e73 100644 --- a/libc/sysdeps/linux/mips/sys/cachectl.h +++ b/libc/sysdeps/linux/mips/sys/cachectl.h @@ -12,9 +12,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _SYS_CACHECTL_H #define _SYS_CACHECTL_H 1 @@ -29,13 +28,15 @@ __BEGIN_DECLS #ifdef __USE_MISC -extern int cachectl (void *addr, __const int nbytes, __const int op) __THROW; +extern int cachectl (void *addr, const int nbytes, const int op) __THROW; +#endif +#if 0 +extern int __cachectl (void *addr, const int nbytes, const int op) __THROW; #endif -extern int __cachectl (void *addr, __const int nbytes, __const int op) __THROW; #ifdef __USE_MISC -extern int cacheflush (void *addr, __const int nbytes, __const int op) __THROW; +extern int cacheflush (void *addr, const int nbytes, const int op) __THROW; #endif -extern int _flush_cache (char *addr, __const int nbytes, __const int op) __THROW; +extern int _flush_cache (char *addr, const int nbytes, const int op) __THROW; __END_DECLS diff --git a/libc/sysdeps/linux/mips/sys/fpregdef.h b/libc/sysdeps/linux/mips/sys/fpregdef.h index 378115274..170f96c77 100644 --- a/libc/sysdeps/linux/mips/sys/fpregdef.h +++ b/libc/sysdeps/linux/mips/sys/fpregdef.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 92, 94, 95, 96, 97, 98 Free Software Foundation, Inc. +/* Copyright (C) 1991-2015 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -12,26 +12,56 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ #ifndef _SYS_FPREGDEF_H #define _SYS_FPREGDEF_H -/* - * These definitions only cover the R3000-ish 16/32 register model. - * But we're trying to be R3000 friendly anyway ... - */ -#define fv0 $f0 /* return value */ -#define fv0f $f1 +/* Commonalities first, individualities next... */ + +#define fv0 $f0 /* return value */ #define fv1 $f2 + +#if _MIPS_SIM == _ABIO32 || _MIPS_SIM == _ABIN32 +#define fs0 $f20 /* callee saved */ +#define fs1 $f22 +#define fs2 $f24 +#define fs3 $f26 +#define fs4 $f28 +#define fs5 $f30 +#endif /* _MIPS_SIM == _ABIO32 || _MIPS_SIM == _ABIN32 */ + +#if _MIPS_SIM == _ABI64 || _MIPS_SIM == _ABIN32 +#define fa0 $f12 /* argument registers */ +#define fa1 $f13 +#define fa2 $f14 +#define fa3 $f15 +#define fa4 $f16 +#define fa5 $f17 +#define fa6 $f18 +#define fa7 $f19 + +#define ft0 $f4 /* caller saved */ +#define ft1 $f5 +#define ft2 $f6 +#define ft3 $f7 +#define ft4 $f8 +#define ft5 $f9 +#define ft6 $f10 +#define ft7 $f11 +#endif /* _MIPS_SIM == _ABI64 || _MIPS_SIM == _ABIN32 */ + +#if _MIPS_SIM == _ABIO32 +#define fv0f $f1 /* return value, high part */ #define fv1f $f3 -#define fa0 $f12 /* argument registers */ + +#define fa0 $f12 /* argument registers */ #define fa0f $f13 #define fa1 $f14 #define fa1f $f15 -#define ft0 $f4 /* caller saved */ + +#define ft0 $f4 /* caller saved */ #define ft0f $f5 #define ft1 $f6 #define ft1f $f7 @@ -43,19 +73,44 @@ #define ft4f $f17 #define ft5 $f18 #define ft5f $f19 -#define fs0 $f20 /* callee saved */ -#define fs0f $f21 -#define fs1 $f22 + +#define fs0f $f21 /* callee saved, high part */ #define fs1f $f23 -#define fs2 $f24 #define fs2f $f25 -#define fs3 $f26 #define fs3f $f27 -#define fs4 $f28 #define fs4f $f29 -#define fs5 $f30 #define fs5f $f31 +#endif /* _MIPS_SIM == _ABIO32 */ + +#if _MIPS_SIM == _ABI64 +#define ft8 $f20 /* caller saved */ +#define ft9 $f21 +#define ft10 $f22 +#define ft11 $f23 +#define ft12 $f1 +#define ft13 $f3 + +#define fs0 $f24 /* callee saved */ +#define fs1 $f25 +#define fs2 $f26 +#define fs3 $f27 +#define fs4 $f28 +#define fs5 $f29 +#define fs6 $f30 +#define fs7 $f31 +#endif /* _MIPS_SIM == _ABI64 */ + +#if _MIPS_SIM == _ABIN32 +#define ft8 $f21 /* caller saved */ +#define ft9 $f23 +#define ft10 $f25 +#define ft11 $f27 +#define ft12 $f29 +#define ft13 $f31 +#define ft14 $f1 +#define ft15 $f3 +#endif /* _MIPS_SIM == _ABIN32 */ -#define fcr31 $31 /* FPU status register */ +#define fcr31 $31 /* FPU status register */ #endif /* sys/fpregdef.h */ diff --git a/libc/sysdeps/linux/mips/sys/procfs.h b/libc/sysdeps/linux/mips/sys/procfs.h index a21652e1c..d4a61659a 100644 --- a/libc/sysdeps/linux/mips/sys/procfs.h +++ b/libc/sysdeps/linux/mips/sys/procfs.h @@ -12,9 +12,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _SYS_PROCFS_H #define _SYS_PROCFS_H 1 diff --git a/libc/sysdeps/linux/mips/sys/regdef.h b/libc/sysdeps/linux/mips/sys/regdef.h index 9d2c4c1c4..51f71675a 100644 --- a/libc/sysdeps/linux/mips/sys/regdef.h +++ b/libc/sysdeps/linux/mips/sys/regdef.h @@ -13,13 +13,14 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _SYS_REGDEF_H #define _SYS_REGDEF_H +#include <sgidefs.h> + /* * Symbolic register names for 32 bit ABI */ diff --git a/libc/sysdeps/linux/mips/sys/sysmips.h b/libc/sysdeps/linux/mips/sys/sysmips.h index 6a63dc2b2..d568aa1fd 100644 --- a/libc/sysdeps/linux/mips/sys/sysmips.h +++ b/libc/sysdeps/linux/mips/sys/sysmips.h @@ -12,9 +12,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _SYS_SYSMIPS_H #define _SYS_SYSMIPS_H 1 @@ -36,8 +35,8 @@ __BEGIN_DECLS -extern int sysmips (__const int cmd, __const long arg1, - __const int arg2, __const int arg3) __THROW; +extern int sysmips (const int cmd, const long arg1, + const int arg2, const int arg3) __THROW; __END_DECLS diff --git a/libc/sysdeps/linux/mips/sys/tas.h b/libc/sysdeps/linux/mips/sys/tas.h index 1183b867b..f00ebab95 100644 --- a/libc/sysdeps/linux/mips/sys/tas.h +++ b/libc/sysdeps/linux/mips/sys/tas.h @@ -13,9 +13,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _SYS_TAS_H #define _SYS_TAS_H 1 @@ -30,7 +29,7 @@ extern int _test_and_set (int *p, int v) __THROW; #ifdef __USE_EXTERN_INLINES # ifndef _EXTERN_INLINE -# define _EXTERN_INLINE extern __inline +# define _EXTERN_INLINE __extern_inline # endif _EXTERN_INLINE int diff --git a/libc/sysdeps/linux/mips/sys/ucontext.h b/libc/sysdeps/linux/mips/sys/ucontext.h index ac496f3d6..0fbe5f3eb 100644 --- a/libc/sysdeps/linux/mips/sys/ucontext.h +++ b/libc/sysdeps/linux/mips/sys/ucontext.h @@ -12,9 +12,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ /* Don't rely on this, the interface is currently messed up and may need to be broken to be fixed. */ diff --git a/libc/sysdeps/linux/mips/sys/user.h b/libc/sysdeps/linux/mips/sys/user.h index 5d880943e..b41962f3d 100644 --- a/libc/sysdeps/linux/mips/sys/user.h +++ b/libc/sysdeps/linux/mips/sys/user.h @@ -12,9 +12,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #ifndef _SYS_USER_H #define _SYS_USER_H 1 diff --git a/libc/sysdeps/linux/mips/syscall.S b/libc/sysdeps/linux/mips/syscall.S index ff6f3d1b4..79cabc6dc 100644 --- a/libc/sysdeps/linux/mips/syscall.S +++ b/libc/sysdeps/linux/mips/syscall.S @@ -12,9 +12,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ #include <features.h> #include <sys/asm.h> @@ -32,7 +31,6 @@ syscall: #ifdef __PIC__ SETUP_GP #endif - .set noreorder move v0, a0 /* Load system call number from first arg. */ move a0, a1 /* Move the next three args up a register. */ move a1, a2 @@ -59,12 +57,12 @@ syscall: lw v0,7*4(sp) /* for system call restarts */ #endif syscall /* Do the system call. */ - bnez a3, 1f #ifdef __mips64 daddiu sp,sp,16 #else addiu sp,sp,32 #endif + bnez a3, 1f j ra /* Return to caller. */ 1: move a0,v0 /* Pass return val to C function. */ diff --git a/libc/sysdeps/linux/mips/syscall_error.S b/libc/sysdeps/linux/mips/syscall_error.S new file mode 100644 index 000000000..2fb56b128 --- /dev/null +++ b/libc/sysdeps/linux/mips/syscall_error.S @@ -0,0 +1,83 @@ +/* Copyright (C) 1992, 1993, 1994, 1997, 1998, 1999, 2000, 2002, 2003 + Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Brendan Kehoe (brendan@zen.org). + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <sys/asm.h> +#include <sysdep.h> +#include <bits/errno.h> + +#ifdef _LIBC_REENTRANT + +LOCALSZ= 3 +FRAMESZ= (((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK +RAOFF= FRAMESZ-(1*SZREG) +GPOFF= FRAMESZ-(2*SZREG) +V0OFF= FRAMESZ-(3*SZREG) + +ENTRY(__syscall_error) +#ifdef __PIC__ + .set noat + SETUP_GPX (AT) + .set at +#endif + PTR_SUBU sp, FRAMESZ + .set noat + SETUP_GPX64(GPOFF,AT) + .set at +#ifdef __PIC__ + SAVE_GP(GPOFF) +#endif + REG_S a0, V0OFF(sp) + REG_S ra, RAOFF(sp) + + /* Find our per-thread errno address */ + jal __errno_location + + /* Store the error value. */ + REG_L t0, V0OFF(sp) + sw t0, 0(v0) + + /* And just kick back a -1. */ + REG_L ra, RAOFF(sp) + RESTORE_GP64 + PTR_ADDU sp, FRAMESZ + li v0, -1 + j ra + END(__syscall_error) + +#else /* __LIBC_REENTRANT */ + + +ENTRY(__syscall_error) +#ifdef __PIC__ + .set noat + SETUP_GPX (AT) + .set at +#endif + SETUP_GPX64 (t9, AT) + + /* Store it in errno... */ + sw v0, errno + + /* And just kick back a -1. */ + li v0, -1 + + RESTORE_GP64 + j ra + END(__syscall_error) +#endif /* _LIBC_REENTRANT*/ diff --git a/libc/sysdeps/linux/mips/sysdep.h b/libc/sysdeps/linux/mips/sysdep.h new file mode 100644 index 000000000..86873ac7b --- /dev/null +++ b/libc/sysdeps/linux/mips/sysdep.h @@ -0,0 +1,138 @@ +/* Copyright (C) 1992, 1995, 1997, 1999, 2000, 2002, 2003, 2004 + Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Brendan Kehoe (brendan@zen.org). + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _LINUX_MIPS_SYSDEP_H +#define _LINUX_MIPS_SYSDEP_H 1 + +#include <sgidefs.h> +#include <common/sysdep.h> + +/* For Linux we can use the system call table in the header file + /usr/include/asm/unistd.h + of the kernel. But these symbols do not follow the SYS_* syntax + so we have to redefine the `SYS_ify' macro here. */ + +#undef SYS_ify +#ifdef __STDC__ +# define SYS_ify(syscall_name) __NR_##syscall_name +#else +# define SYS_ify(syscall_name) __NR_/**/syscall_name +#endif + +#ifdef __ASSEMBLER__ + +#include <sys/regdef.h> + +#define ENTRY(name) \ + .globl name; \ + .align 2; \ + .ent name,0; \ + name##: + +#undef END +#define END(function) \ + .end function; \ + .size function,.-function + +#define ret j ra ; nop + +#undef PSEUDO_END +#define PSEUDO_END(sym) .end sym; .size sym,.-sym + +#define PSEUDO_NOERRNO(name, syscall_name, args) \ + .align 2; \ + ENTRY(name) \ + .set noreorder; \ + li v0, SYS_ify(syscall_name); \ + syscall + +#undef PSEUDO_END_NOERRNO +#define PSEUDO_END_NOERRNO(sym) .end sym; .size sym,.-sym + +#define ret_NOERRNO ret + +#define PSEUDO_ERRVAL(name, syscall_name, args) \ + .align 2; \ + ENTRY(name) \ + .set noreorder; \ + li v0, SYS_ify(syscall_name); \ + syscall + +#undef PSEUDO_END_ERRVAL +#define PSEUDO_END_ERRVAL(sym) .end sym; .size sym,.-sym + +#define r0 v0 +#define r1 v1 +/* The mips move insn is d,s. */ +#define MOVE(x,y) move y , x + +#if _MIPS_SIM == _ABIO32 +# define L(label) $L ## label +#else +# define L(label) .L ## label +#endif + +/* Note that while it's better structurally, going back to call __syscall_error + can make things confusing if you're debugging---it looks like it's jumping + backwards into the previous fn. */ + +#ifdef __PIC__ +#define PSEUDO(name, syscall_name, args) \ + .align 2; \ + 99: move a0, v0; \ + la t9,__syscall_error; \ + jr t9; \ + ENTRY(name) \ + .set noreorder; \ + .cpload t9; \ + li v0, SYS_ify(syscall_name); \ + syscall; \ + .set reorder; \ + bne a3, zero, 99b; \ +L(syse1): +#else +#define PSEUDO(name, syscall_name, args) \ + .set noreorder; \ + .align 2; \ + 99: move a0, v0; \ + j __syscall_error; \ + nop; \ + ENTRY(name) \ + .set noreorder; \ + li v0, SYS_ify(syscall_name); \ + syscall; \ + .set reorder; \ + bne a3, zero, 99b; \ +L(syse1): +#endif + +/* We don't want the label for the error handler to be visible in the symbol + table when we define it here. */ +#ifdef __PIC__ +# define SYSCALL_ERROR_LABEL 99b +#endif + +#else /* ! __ASSEMBLER__ */ + +/* Pointer mangling is not yet supported for MIPS. */ +#define PTR_MANGLE(var) (void) (var) +#define PTR_DEMANGLE(var) (void) (var) + +#endif /* __ASSEMBLER__ */ +#endif /* _LINUX_MIPS_SYSDEP_H */ diff --git a/libc/sysdeps/linux/mips/sysmips.c b/libc/sysdeps/linux/mips/sysmips.c index 020f02dd3..1384782b4 100644 --- a/libc/sysdeps/linux/mips/sysmips.c +++ b/libc/sysdeps/linux/mips/sysmips.c @@ -3,5 +3,5 @@ #include <sys/sysmips.h> #ifdef __NR_sysmips -_syscall4(int, sysmips, const int, cmd, const long, arg1, const int, arg2, const int, arg3); +_syscall4(int, sysmips, const int, cmd, const long, arg1, const int, arg2, const int, arg3) #endif diff --git a/libc/sysdeps/linux/mips/ucontext_i.sym b/libc/sysdeps/linux/mips/ucontext_i.sym new file mode 100644 index 000000000..f14b88640 --- /dev/null +++ b/libc/sysdeps/linux/mips/ucontext_i.sym @@ -0,0 +1,52 @@ +#include <inttypes.h> +#include <signal.h> +#include <stddef.h> +#include <sys/ucontext.h> + +#include <kernel_rt_sigframe.h> + +-- Constants used by the rt_sigprocmask call. + +SIG_BLOCK +SIG_SETMASK + +_NSIG8 (_NSIG / 8) + +-- Offsets of the fields in the kernel rt_sigframe_t structure. +#define rt_sigframe(member) offsetof (kernel_rt_sigframe_t, member) + +RT_SIGFRAME_UCONTEXT rt_sigframe (rs_uc) + +RT_SIGFRAME_SIZE sizeof (kernel_rt_sigframe_t) + +-- Offsets of the fields in the ucontext_t structure. +#define ucontext(member) offsetof (ucontext_t, member) +#define stack(member) ucontext (uc_stack.member) +#define mcontext(member) ucontext (uc_mcontext.member) + +UCONTEXT_FLAGS ucontext (uc_flags) +UCONTEXT_LINK ucontext (uc_link) +UCONTEXT_STACK ucontext (uc_stack) +UCONTEXT_MCONTEXT ucontext (uc_mcontext) +UCONTEXT_SIGMASK ucontext (uc_sigmask) + +STACK_SP stack (ss_sp) +STACK_SIZE stack (ss_size) +STACK_FLAGS stack (ss_flags) + +MCONTEXT_GREGS mcontext (gregs) +MCONTEXT_FPREGS mcontext (fpregs) +MCONTEXT_MDHI mcontext (mdhi) +MCONTEXT_HI1 mcontext (hi1) +MCONTEXT_HI2 mcontext (hi2) +MCONTEXT_HI3 mcontext (hi3) +MCONTEXT_MDLO mcontext (mdlo) +MCONTEXT_LO1 mcontext (lo1) +MCONTEXT_LO2 mcontext (lo2) +MCONTEXT_LO3 mcontext (lo3) +MCONTEXT_PC mcontext (pc) +MCONTEXT_FPC_CSR mcontext (fpc_csr) +MCONTEXT_USED_MATH mcontext (used_math) +MCONTEXT_DSP mcontext (dsp) + +UCONTEXT_SIZE sizeof (ucontext_t) diff --git a/libc/sysdeps/linux/mips/vfork.S b/libc/sysdeps/linux/mips/vfork.S new file mode 100644 index 000000000..9311504d2 --- /dev/null +++ b/libc/sysdeps/linux/mips/vfork.S @@ -0,0 +1,102 @@ +/* Copyright (C) 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +/* vfork() is just a special case of clone(). */ + +#include <sys/syscall.h> +#include <sys/asm.h> +#include <sysdep.h> + +#ifndef SAVE_PID +#define SAVE_PID +#endif + +#ifndef RESTORE_PID +#define RESTORE_PID +#endif + +#ifdef __NR_fork + +/* int vfork() */ + + .text + .hidden __vfork +LOCALSZ= 1 +FRAMESZ= (((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK +GPOFF= FRAMESZ-(1*SZREG) +NESTED(__vfork,FRAMESZ,sp) +#ifdef __PIC__ + SETUP_GP +#endif + PTR_SUBU sp, FRAMESZ + SETUP_GP64 (a5, __vfork) +#ifdef __PIC__ + SAVE_GP (GPOFF) +#endif +#ifdef PROF +# if (_MIPS_SIM != _ABIO32) + PTR_S a5, GPOFF(sp) +# endif + .set noat + move $1, ra +# if (_MIPS_SIM == _ABIO32) + subu sp,sp,8 +# endif + jal _mcount + .set at +# if (_MIPS_SIM != _ABIO32) + PTR_L a5, GPOFF(sp) +# endif +#endif + + PTR_ADDU sp, FRAMESZ + + SAVE_PID + + li a0, 0x4112 /* CLONE_VM | CLONE_VFORK | SIGCHLD */ + move a1, sp + + /* Do the system call */ + li v0,__NR_clone + syscall + + RESTORE_PID + + bnez a3,L(error) + + /* Successful return from the parent or child. */ + RESTORE_GP64 + j ra + nop + + /* Something bad happened -- no child created. */ +L(error): + move a0, v0 +#ifdef __PIC__ + PTR_LA t9, __syscall_error + RESTORE_GP64 + jr t9 +#else + RESTORE_GP64 + j __syscall_error +#endif + END(__vfork) + +weak_alias(__vfork,vfork) +libc_hidden_def(vfork) + +#endif |