diff options
Diffstat (limited to 'libc/sysdeps/linux/frv')
-rw-r--r-- | libc/sysdeps/linux/frv/Makefile | 59 | ||||
-rw-r--r-- | libc/sysdeps/linux/frv/Makefile.arch | 11 | ||||
-rw-r--r-- | libc/sysdeps/linux/frv/bits/fcntl.h | 3 | ||||
-rw-r--r-- | libc/sysdeps/linux/frv/bits/kernel_types.h | 3 | ||||
-rw-r--r-- | libc/sysdeps/linux/frv/bits/stat.h | 33 | ||||
-rw-r--r-- | libc/sysdeps/linux/frv/bits/syscalls.h | 181 | ||||
-rw-r--r-- | libc/sysdeps/linux/frv/bits/uClibc_arch_features.h | 2 | ||||
-rw-r--r-- | libc/sysdeps/linux/frv/crt1.S (renamed from libc/sysdeps/linux/frv/crt0.S) | 9 | ||||
-rw-r--r-- | libc/sysdeps/linux/frv/crtreloc.c | 50 | ||||
-rw-r--r-- | libc/sysdeps/linux/frv/jmpbuf-unwind.h | 2 | ||||
-rw-r--r-- | libc/sysdeps/linux/frv/syscall.c | 2 |
11 files changed, 125 insertions, 230 deletions
diff --git a/libc/sysdeps/linux/frv/Makefile b/libc/sysdeps/linux/frv/Makefile index 7cdb8eca3..3970f6263 100644 --- a/libc/sysdeps/linux/frv/Makefile +++ b/libc/sysdeps/linux/frv/Makefile @@ -1,58 +1,13 @@ # Makefile for uClibc # # Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> -# ported to FR-V by Alexandre Oliva <aoliva@redhat.com> # # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. +# -TOPDIR=../../../../ -include $(TOPDIR)Rules.mak - -CRT_SRC := crt0.S -CRT_OBJ := crt0.o crt1.o -SCRT_OBJ := $(patsubst %,S%, $(CRT_OBJ)) - -CTOR_TARGETS := crti.o crtn.o - -SSRC := __longjmp.S setjmp.S clone.S vfork.S -SOBJ := $(patsubst %.S,%.o, $(SSRC)) - -CSRC = sysdep.c syscall.c brk.c sbrk.c __init_brk.c dl-iterate-phdr.c -CSRC += xstatconv.c stat.c stat64.c fstat.c fstat64.c lstat.c lstat64.c -COBJ := $(patsubst %.c,%.o, $(CSRC)) - -OBJS := $(SOBJ) $(COBJ) - -OBJ_LIST := ../../../obj.sysdeps.$(TARGET_ARCH) - -all: $(OBJ_LIST) - -$(OBJ_LIST): $(OBJS) $(CRT_OBJ) $(SCRT_OBJ) $(CTOR_TARGETS) - $(STRIPTOOL) -x -R .note -R .comment $^ - $(INSTALL) -d $(TOPDIR)lib/ - cp $(CRT_OBJ) $(SCRT_OBJ) $(CTOR_TARGETS) $(TOPDIR)lib/ - echo $(patsubst %, sysdeps/linux/$(TARGET_ARCH)/%, $(OBJS)) > $@ - -$(CRT_OBJ): $(CRT_SRC) crtreloc.o - $(CC) $(ASFLAGS) -DL_$* -r -nostdlib $^ -o $*.o - -crtreloc.o: crtreloc.c - $(CC) $(CFLAGS) -c $< -o $@ - -$(SCRT_OBJ): $(CRT_SRC) Scrtreloc.o - $(CC) $(ASFLAGS) $(PIEFLAG) -DL_$* -r -nostdlib $^ -o $*.o - -Scrtreloc.o: crtreloc.c - $(CC) $(CFLAGS) $(PIEFLAG) -c $< -o $@ - -$(CTOR_TARGETS): %.o : %.S - $(CC) $(ASFLAGS) $(SSP_DISABLE_FLAGS) -c $< -o $@ - -$(SOBJ): %.o : %.S - $(CC) $(ASFLAGS) -c $< -o $@ - -$(COBJ): %.o : %.c - $(CC) $(CFLAGS) -c $< -o $@ - -clean: - $(RM) *.o *~ core +top_srcdir=../../../../ +top_builddir=../../../../ +all: objs +include $(top_builddir)Rules.mak +include Makefile.arch +include $(top_srcdir)Makerules diff --git a/libc/sysdeps/linux/frv/Makefile.arch b/libc/sysdeps/linux/frv/Makefile.arch new file mode 100644 index 000000000..be48fd007 --- /dev/null +++ b/libc/sysdeps/linux/frv/Makefile.arch @@ -0,0 +1,11 @@ +# Makefile for uClibc +# +# Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> +# ported to FR-V by Alexandre Oliva <aoliva@redhat.com> +# +# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + +CSRC-y := sysdep.c syscall.c brk.c sbrk.c __init_brk.c dl-iterate-phdr.c + +SSRC-y := __longjmp.S setjmp.S clone.S vfork.S + diff --git a/libc/sysdeps/linux/frv/bits/fcntl.h b/libc/sysdeps/linux/frv/bits/fcntl.h index 0ef5f29e9..0581f2bf3 100644 --- a/libc/sysdeps/linux/frv/bits/fcntl.h +++ b/libc/sysdeps/linux/frv/bits/fcntl.h @@ -22,6 +22,9 @@ #include <sys/types.h> +#ifdef __USE_GNU +# include <bits/uio.h> +#endif /* open/fcntl - O_SYNC is only implemented on blocks devices and on files located on an ext2 file system */ diff --git a/libc/sysdeps/linux/frv/bits/kernel_types.h b/libc/sysdeps/linux/frv/bits/kernel_types.h index 8403fd3e8..be4fe224f 100644 --- a/libc/sysdeps/linux/frv/bits/kernel_types.h +++ b/libc/sysdeps/linux/frv/bits/kernel_types.h @@ -31,6 +31,9 @@ typedef unsigned int __kernel_gid32_t; typedef unsigned short __kernel_old_uid_t; typedef unsigned short __kernel_old_gid_t; typedef long long __kernel_loff_t; +typedef __kernel_dev_t __kernel_old_dev_t; +typedef long __kernel_long_t; +typedef unsigned long __kernel_ulong_t; typedef struct { #ifdef __USE_ALL diff --git a/libc/sysdeps/linux/frv/bits/stat.h b/libc/sysdeps/linux/frv/bits/stat.h index 83f5b4726..e6a1944bb 100644 --- a/libc/sysdeps/linux/frv/bits/stat.h +++ b/libc/sysdeps/linux/frv/bits/stat.h @@ -70,6 +70,20 @@ struct stat __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */ #endif +#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 unsigned long int __unused1; __time_t st_atime; /* Time of last access. */ @@ -78,7 +92,7 @@ struct stat unsigned long int __unused3; __time_t st_ctime; /* Time of last status change. */ - +#endif unsigned long long __unused4; }; @@ -103,7 +117,20 @@ struct stat64 __blksize_t st_blksize; /* Optimal block size for I/O. */ __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */ - +#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 unsigned long int __unused1; __time_t st_atime; /* Time of last access. */ @@ -112,7 +139,7 @@ struct stat64 unsigned long int __unused3; __time_t st_ctime; /* Time of last status change. */ - +#endif unsigned long long __unused4; }; #endif diff --git a/libc/sysdeps/linux/frv/bits/syscalls.h b/libc/sysdeps/linux/frv/bits/syscalls.h index b1f532040..b03e8dbe0 100644 --- a/libc/sysdeps/linux/frv/bits/syscalls.h +++ b/libc/sysdeps/linux/frv/bits/syscalls.h @@ -10,128 +10,71 @@ #define SYS_ify(syscall_name) (__NR_##syscall_name) -/* user-visible error numbers are in the range -1 - -4095: see <asm-frv/errno.h> */ -#if defined _LIBC && !defined __set_errno -# define __syscall_return(type, res) \ -do { \ - unsigned long __sr2 = (res); \ - if (unlikely ((unsigned long)(__sr2) >= (unsigned long)(-4095))) { \ - extern int __syscall_error (int); \ - return (type) __syscall_error (__sr2); \ - } \ - return (type) (__sr2); \ -} while (0) -#else -# define __syscall_return(type, res) \ -do { \ - unsigned long __sr2 = (res); \ - if (unlikely ((unsigned long)(__sr2) >= (unsigned long)(-4095))) { \ - __set_errno (-__sr2); \ - __sr2 = -1; \ - } \ - return (type) (__sr2); \ -} while (0) -#endif - -#ifndef __set_errno -# define __set_errno(val) ((*__errno_location ()) = (val)) -#endif - -/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */ - -#define _syscall0(type,name) \ -type name(void) \ -{ \ -register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \ -register unsigned long __sc0 __asm__ ("gr8"); \ -__asm__ __volatile__ ("tra gr0,gr0" \ - : "=r" (__sc0) \ - : "r" (__scnum)); \ -__syscall_return(type,__sc0); \ -} - -#define _syscall1(type,name,type1,arg1) \ -type name(type1 arg1) \ -{ \ -register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \ -register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \ -__asm__ __volatile__ ("tra gr0,gr0" \ - : "+r" (__sc0) \ - : "r" (__scnum)); \ -__syscall_return(type,__sc0); \ -} - -#define _syscall2(type,name,type1,arg1,type2,arg2) \ -type name(type1 arg1,type2 arg2) \ -{ \ -register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \ -register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \ -register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \ -__asm__ __volatile__ ("tra gr0,gr0" \ - : "+r" (__sc0) \ - : "r" (__scnum), "r" (__sc1)); \ -__syscall_return(type,__sc0); \ -} - -#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ -type name(type1 arg1,type2 arg2,type3 arg3) \ -{ \ -register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \ -register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \ -register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \ -register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3; \ -__asm__ __volatile__ ("tra gr0,gr0" \ - : "+r" (__sc0) \ - : "r" (__scnum), "r" (__sc1), "r" (__sc2)); \ -__syscall_return(type,__sc0); \ -} +#define INLINE_SYSCALL_NCS(name, nr, args...) \ +(__extension__ \ + ({ \ + unsigned int _inline_sys_result = INTERNAL_SYSCALL_NCS (name, , nr, args);\ + if (unlikely (INTERNAL_SYSCALL_ERROR_P (_inline_sys_result, ))) \ + { \ + __set_errno (INTERNAL_SYSCALL_ERRNO (_inline_sys_result, )); \ + _inline_sys_result = (unsigned int) -1; \ + } \ + (int) _inline_sys_result; \ + }) \ +) -#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ -type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ -{ \ -register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \ -register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \ -register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \ -register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3; \ -register unsigned long __sc3 __asm__ ("gr11") = (unsigned long) arg4; \ -__asm__ __volatile__ ("tra gr0,gr0" \ - : "+r" (__sc0) \ - : "r" (__scnum), "r" (__sc1), "r" (__sc2), "r" (__sc3)); \ -__syscall_return(type,__sc0); \ -} +#define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \ +(__extension__ \ + ({unsigned int __internal_sys_result; \ + { \ + register int __a1 __asm__ ("gr8"); \ + register int _nr __asm__ ("gr7"); \ + LOAD_ARGS_##nr (args) \ + _nr = (name); \ + __asm__ __volatile__ ("tra gr0,gr0" \ + : "=r" (__a1) \ + : "r" (_nr) ASM_ARGS_##nr \ + : "memory"); \ + __internal_sys_result = __a1; \ + } \ + (int) __internal_sys_result; }) \ +) -#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) \ -{ \ -register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \ -register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \ -register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \ -register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3; \ -register unsigned long __sc3 __asm__ ("gr11") = (unsigned long) arg4; \ -register unsigned long __sc4 __asm__ ("gr12") = (unsigned long) arg5; \ -__asm__ __volatile__ ("tra gr0,gr0" \ - : "+r" (__sc0) \ - : "r" (__scnum), "r" (__sc1), "r" (__sc2), \ - "r" (__sc3), "r" (__sc4)); \ -__syscall_return(type,__sc0); \ -} +#define INTERNAL_SYSCALL_ERROR_P(val, err) \ + ((unsigned int) (val) >= 0xfffff001u) -#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) \ -{ \ -register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \ -register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \ -register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \ -register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3; \ -register unsigned long __sc3 __asm__ ("gr11") = (unsigned long) arg4; \ -register unsigned long __sc4 __asm__ ("gr12") = (unsigned long) arg5; \ -register unsigned long __sc5 __asm__ ("gr13") = (unsigned long) arg6; \ -__asm__ __volatile__ ("tra gr0,gr0" \ - : "+r" (__sc0) \ - : "r" (__scnum), "r" (__sc1), "r" (__sc2), \ - "r" (__sc3), "r" (__sc4), "r" (__sc5)); \ -__syscall_return(type,__sc0); \ -} +#define LOAD_ARGS_0() +#define ASM_ARGS_0 +#define LOAD_ARGS_1(a1) \ + int __a1tmp = (int) (a1); \ + LOAD_ARGS_0 () \ + __a1 = __a1tmp; +#define ASM_ARGS_1 ASM_ARGS_0, "r" (__a1) +#define LOAD_ARGS_2(a1, a2) \ + int __a2tmp = (int) (a2); \ + LOAD_ARGS_1 (a1) \ + register int __a2 __asm__ ("gr8") = __a2tmp; +#define ASM_ARGS_2 ASM_ARGS_1, "r" (__a2) +#define LOAD_ARGS_3(a1, a2, a3) \ + int __a3tmp = (int) (a3); \ + LOAD_ARGS_2 (a1, a2) \ + register int __a3 __asm__ ("gr9") = __a3tmp; +#define ASM_ARGS_3 ASM_ARGS_2, "r" (__a3) +#define LOAD_ARGS_4(a1, a2, a3, a4) \ + int __a4tmp = (int) (a4); \ + LOAD_ARGS_3 (a1, a2, a3) \ + register int __a4 __asm__ ("gr10") = __a4tmp; +#define ASM_ARGS_4 ASM_ARGS_3, "r" (__a4) +#define LOAD_ARGS_5(a1, a2, a3, a4, a5) \ + int __v1tmp = (int) (a5); \ + LOAD_ARGS_4 (a1, a2, a3, a4) \ + register int __v1 __asm__ ("gr11") = __v1tmp; +#define ASM_ARGS_5 ASM_ARGS_4, "r" (__v1) +#define LOAD_ARGS_6(a1, a2, a3, a4, a5, a6) \ + int __v2tmp = (int) (a6); \ + LOAD_ARGS_5 (a1, a2, a3, a4, a5) \ + register int __v2 __asm__ ("gr12") = __v2tmp; +#define ASM_ARGS_6 ASM_ARGS_5, "r" (__v2) #endif /* __ASSEMBLER__ */ #endif /* _BITS_SYSCALLS_H */ diff --git a/libc/sysdeps/linux/frv/bits/uClibc_arch_features.h b/libc/sysdeps/linux/frv/bits/uClibc_arch_features.h index 293cc9b00..f660fd223 100644 --- a/libc/sysdeps/linux/frv/bits/uClibc_arch_features.h +++ b/libc/sysdeps/linux/frv/bits/uClibc_arch_features.h @@ -37,6 +37,6 @@ #define __UCLIBC_HAVE_SIGNED_ZERO__ /* only weird assemblers generally need this */ -#undef __UCLIBC_ASM_LINE_SEP__ +#define __UCLIBC_ASM_LINE_SEP__ ! #endif /* _BITS_UCLIBC_ARCH_FEATURES_H */ diff --git a/libc/sysdeps/linux/frv/crt0.S b/libc/sysdeps/linux/frv/crt1.S index 59f61f94f..0827feae7 100644 --- a/libc/sysdeps/linux/frv/crt0.S +++ b/libc/sysdeps/linux/frv/crt1.S @@ -44,13 +44,10 @@ not, see <http://www.gnu.org/licenses/>. */ .text .global _start .type _start,%function -#if defined L_crt0 || defined L_Scrt0 || ! defined __UCLIBC_CTOR_DTOR__ - .type __uClibc_main,%function -#else .weak _init .weak _fini - .type __uClibc_start_main,%function -#endif + .type __uClibc_main,%function + _start: /* Make sure the stack pointer is properly aligned. Save the original value in gr21 such that we can get to arguments and @@ -104,7 +101,7 @@ _start: ld.p @(gr11, gr17), gr11 mov gr17, gr15 ld.p @(gr12, gr17), gr12 - call __uClibc_start_main + call __uClibc_main #else mov.p gr17, gr15 call __uClibc_main diff --git a/libc/sysdeps/linux/frv/crtreloc.c b/libc/sysdeps/linux/frv/crtreloc.c index cd07170a8..b1d542395 100644 --- a/libc/sysdeps/linux/frv/crtreloc.c +++ b/libc/sysdeps/linux/frv/crtreloc.c @@ -25,6 +25,8 @@ You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; see the file COPYING.LIB. If not, see <http://www.gnu.org/licenses/>. */ +#ifdef __FRV_FDPIC__ + #include <sys/types.h> #include <link.h> @@ -61,7 +63,7 @@ reloc_range_indirect (void ***p, void ***e, /* Call __reloc_range_indirect for the given range except for the last entry, whose contents are only relocated. It's expected to hold the GOT value. */ -void* attribute_hidden +attribute_hidden void* __self_reloc (const struct elf32_fdpic_loadmap *map, void ***p, void ***e) { @@ -72,48 +74,4 @@ __self_reloc (const struct elf32_fdpic_loadmap *map, return __reloc_pointer (*p, map); } - -#if 0 -/* These are other functions that might be useful, but that we don't - need. */ - -/* Remap pointers in [p,e). */ -static __always_inline void** -reloc_range (void **p, void **e, - const struct elf32_fdpic_loadmap *map) -{ - while (p < e) - { - *p = __reloc_pointer (*p, map); - p++; - } - return p; -} - -/* Remap p, adjust e by the same offset, then map the pointers in the - range determined by them. */ -void attribute_hidden -__reloc_range (const struct elf32_fdpic_loadmap *map, - void **p, void **e) -{ - void **old = p; - - p = __reloc_pointer (p, map); - e += p - old; - reloc_range (p, e, map); -} - -/* Remap p, adjust e by the same offset, then map pointers referenced - by the (unadjusted) pointers in the range. Return the relocated - value of the last pointer in the range. */ -void* attribute_hidden -__reloc_range_indirect (const struct elf32_fdpic_loadmap *map, - void ***p, void ***e) -{ - void ***old = p; - - p = __reloc_pointer (p, map); - e += p - old; - return reloc_range_indirect (p, e, map); -} -#endif +#endif /* __FRV_FDPIC__ */ diff --git a/libc/sysdeps/linux/frv/jmpbuf-unwind.h b/libc/sysdeps/linux/frv/jmpbuf-unwind.h index b58f3f0e3..c22ab2409 100644 --- a/libc/sysdeps/linux/frv/jmpbuf-unwind.h +++ b/libc/sysdeps/linux/frv/jmpbuf-unwind.h @@ -10,5 +10,3 @@ containing a local variable at ADDRESS. */ #define _JMPBUF_UNWINDS(jmpbuf, address) \ ((void *) (address) < (void *) (jmpbuf)->__sp) - -#endif /* bits/setjmp.h */ diff --git a/libc/sysdeps/linux/frv/syscall.c b/libc/sysdeps/linux/frv/syscall.c index 68fe55696..a98cf3832 100644 --- a/libc/sysdeps/linux/frv/syscall.c +++ b/libc/sysdeps/linux/frv/syscall.c @@ -37,5 +37,5 @@ long syscall(long sysnum, long arg1, long arg2, long arg3, : "+r" (__sc0) : "r" (__scnum), "r" (__sc1), "r" (__sc2), "r" (__sc3), "r" (__sc4), "r" (__sc5)); - __syscall_return(long,__sc0); + return (long) __sc0; } |