From c68d0fa2d88fc2134a38d99e7e944828384a7671 Mon Sep 17 00:00:00 2001 From: Austin Foxley Date: Sat, 17 Oct 2009 12:26:24 -0700 Subject: libpthread/nptl: core of the "Native Posix Threading Library" for uClibc targetting arm,sh,i386,mips,sparc for now Signed-off-by: Austin Foxley --- .../unix/sysv/linux/powerpc/powerpc64/Versions | 7 ++ .../unix/sysv/linux/powerpc/powerpc64/clone.S | 3 + .../unix/sysv/linux/powerpc/powerpc64/pt-vfork.S | 49 +++++++++ .../sysv/linux/powerpc/powerpc64/sysdep-cancel.h | 121 +++++++++++++++++++++ .../sysv/linux/powerpc/powerpc64/timer_create.c | 1 + .../sysv/linux/powerpc/powerpc64/timer_delete.c | 1 + .../sysv/linux/powerpc/powerpc64/timer_getoverr.c | 1 + .../sysv/linux/powerpc/powerpc64/timer_gettime.c | 1 + .../sysv/linux/powerpc/powerpc64/timer_settime.c | 1 + .../unix/sysv/linux/powerpc/powerpc64/vfork.S | 55 ++++++++++ 10 files changed, 240 insertions(+) create mode 100644 libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/Versions create mode 100644 libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S create mode 100644 libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/pt-vfork.S create mode 100644 libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h create mode 100644 libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_create.c create mode 100644 libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_delete.c create mode 100644 libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_getoverr.c create mode 100644 libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_gettime.c create mode 100644 libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_settime.c create mode 100644 libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S (limited to 'libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64') diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/Versions b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/Versions new file mode 100644 index 000000000..3b111ddb5 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/Versions @@ -0,0 +1,7 @@ +librt { + GLIBC_2.3.3 { + # Changed timer_t. + timer_create; timer_delete; timer_getoverrun; timer_gettime; + timer_settime; + } +} diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S new file mode 100644 index 000000000..f87adf473 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S @@ -0,0 +1,3 @@ +#define RESET_PID +#include +#include diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/pt-vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/pt-vfork.S new file mode 100644 index 000000000..e5b7b535c --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/pt-vfork.S @@ -0,0 +1,49 @@ +/* Copyright (C) 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek , 2004. + + 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 +#define _ERRNO_H 1 +#include +#include +#include + +/* Clone the calling process, but without copying the whole address space. + The calling process is suspended until the new process exits or is + replaced by a call to `execve'. Return -1 for errors, 0 to the new process, + and the process ID of the new process to the old process. */ + +ENTRY (__vfork) + lwz 0,PID(13) + neg 0,0 + stw 0,PID(13) + + DO_CALL (SYS_ify (vfork)) + + cmpwi 1,3,0 + beqlr- 1 + + lwz 0,PID(13) + neg 0,0 + stw 0,PID(13) + + PSEUDO_RET + +PSEUDO_END (__vfork) + +weak_alias (__vfork, vfork) diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h new file mode 100644 index 000000000..226aaafdc --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h @@ -0,0 +1,121 @@ +/* Cancellable system call stubs. Linux/PowerPC64 version. + Copyright (C) 2003, 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Franz Sirl , 2003. + + 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 +#include +#ifndef __ASSEMBLER__ +# include +#endif + +#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt + +# ifdef HAVE_ASM_GLOBAL_DOT_NAME +# define DASHDASHPFX(str) .__##str +# else +# define DASHDASHPFX(str) __##str +# endif + +# undef PSEUDO +# define PSEUDO(name, syscall_name, args) \ + .section ".text"; \ + ENTRY (name) \ + cfi_startproc; \ + SINGLE_THREAD_P; \ + bne- .Lpseudo_cancel; \ + .type DASHDASHPFX(syscall_name##_nocancel),@function; \ + .globl DASHDASHPFX(syscall_name##_nocancel); \ + DASHDASHPFX(syscall_name##_nocancel): \ + DO_CALL (SYS_ify (syscall_name)); \ + PSEUDO_RET; \ + .size DASHDASHPFX(syscall_name##_nocancel),.-DASHDASHPFX(syscall_name##_nocancel); \ + .Lpseudo_cancel: \ + stdu 1,-128(1); \ + cfi_adjust_cfa_offset (128); \ + mflr 9; \ + std 9,128+16(1); \ + cfi_offset (lr, 16); \ + DOCARGS_##args; /* save syscall args around CENABLE. */ \ + CENABLE; \ + std 3,72(1); /* store CENABLE return value (MASK). */ \ + UNDOCARGS_##args; /* restore syscall args. */ \ + DO_CALL (SYS_ify (syscall_name)); \ + mfcr 0; /* save CR/R3 around CDISABLE. */ \ + std 3,64(1); \ + std 0,8(1); \ + ld 3,72(1); /* pass MASK to CDISABLE. */ \ + CDISABLE; \ + ld 9,128+16(1); \ + ld 0,8(1); /* restore CR/R3. */ \ + ld 3,64(1); \ + mtlr 9; \ + mtcr 0; \ + addi 1,1,128; \ + cfi_endproc; + +# define DOCARGS_0 +# define UNDOCARGS_0 + +# define DOCARGS_1 std 3,80(1); DOCARGS_0 +# define UNDOCARGS_1 ld 3,80(1); UNDOCARGS_0 + +# define DOCARGS_2 std 4,88(1); DOCARGS_1 +# define UNDOCARGS_2 ld 4,88(1); UNDOCARGS_1 + +# define DOCARGS_3 std 5,96(1); DOCARGS_2 +# define UNDOCARGS_3 ld 5,96(1); UNDOCARGS_2 + +# define DOCARGS_4 std 6,104(1); DOCARGS_3 +# define UNDOCARGS_4 ld 6,104(1); UNDOCARGS_3 + +# define DOCARGS_5 std 7,112(1); DOCARGS_4 +# define UNDOCARGS_5 ld 7,112(1); UNDOCARGS_4 + +# define DOCARGS_6 std 8,120(1); DOCARGS_5 +# define UNDOCARGS_6 ld 8,120(1); UNDOCARGS_5 + +# ifdef IS_IN_libpthread +# define CENABLE bl JUMPTARGET(__pthread_enable_asynccancel) +# define CDISABLE bl JUMPTARGET(__pthread_disable_asynccancel) +# elif !defined NOT_IN_libc +# define CENABLE bl JUMPTARGET(__libc_enable_asynccancel) +# define CDISABLE bl JUMPTARGET(__libc_disable_asynccancel) +# elif defined IS_IN_librt +# define CENABLE bl JUMPTARGET(__librt_enable_asynccancel) +# define CDISABLE bl JUMPTARGET(__librt_disable_asynccancel) +# else +# error Unsupported library +# endif + +# ifndef __ASSEMBLER__ +# define SINGLE_THREAD_P \ + __builtin_expect (THREAD_GETMEM (THREAD_SELF, \ + header.multiple_threads) == 0, 1) +# else +# define SINGLE_THREAD_P \ + lwz 10,MULTIPLE_THREADS_OFFSET(13); \ + cmpwi 10,0 +# endif + +#elif !defined __ASSEMBLER__ + +# define SINGLE_THREAD_P (1) +# define NO_CANCELLATION 1 + +#endif diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_create.c b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_create.c new file mode 100644 index 000000000..172223af3 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_create.c @@ -0,0 +1 @@ +#include "../x86_64/timer_create.c" diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_delete.c b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_delete.c new file mode 100644 index 000000000..537516e0a --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_delete.c @@ -0,0 +1 @@ +#include "../x86_64/timer_delete.c" diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_getoverr.c b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_getoverr.c new file mode 100644 index 000000000..3f21a73c9 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_getoverr.c @@ -0,0 +1 @@ +#include "../x86_64/timer_getoverr.c" diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_gettime.c b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_gettime.c new file mode 100644 index 000000000..a50143adc --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_gettime.c @@ -0,0 +1 @@ +#include "../x86_64/timer_gettime.c" diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_settime.c b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_settime.c new file mode 100644 index 000000000..37baeffac --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/timer_settime.c @@ -0,0 +1 @@ +#include "../x86_64/timer_settime.c" diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S new file mode 100644 index 000000000..018132136 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S @@ -0,0 +1,55 @@ +/* Copyright (C) 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek , 2004. + + 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 +#define _ERRNO_H 1 +#include +#include +#include + +/* Clone the calling process, but without copying the whole address space. + The calling process is suspended until the new process exits or is + replaced by a call to `execve'. Return -1 for errors, 0 to the new process, + and the process ID of the new process to the old process. */ + +ENTRY (__vfork) + lwz 0,PID(13) + cmpwi 0,0,0 + neg 0,0 + bne- 0,1f + lis 0,0x8000 +1: stw 0,PID(13) + + DO_CALL (SYS_ify (vfork)) + + cmpwi 1,3,0 + beqlr- 1 + + lwz 0,PID(13) + clrlwi 4,0,1 + cmpwi 1,4,0 + beq- 1,1f + neg 4,0 +1: stw 4,PID(13) + + PSEUDO_RET + +PSEUDO_END (__vfork) +hidden_def (__vfork) +weak_alias (__vfork, vfork) -- cgit v1.2.3