mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-10 15:20:10 +00:00
99c7f8700d
Handle prelinked libraries and binaries with new style PLT. 2005-06-07 Jakub Jelinek <jakub@redhat.com> * elf/elf.h (R_PPC_REL16, R_PPC_REL16_LO, R_PPC_REL16_HI, R_PPC_REL16_HA): Define. 2005-06-14 Alan Modra <amodra@bigpond.net.au> * config.h.in (HAVE_ASM_PPC_REL16): Add. * elf/elf.h (DT_PPC_GOT, DT_PPC_NUM): Define. * elf/tls-macros.h (PowerPC32): Include config.h. Add variants of TLS_IE, TLS_LD and TLS_GD for new PLT/GOT layout. * sysdeps/powerpc/powerpc32/configure.in: New file, * sysdeps/powerpc/powerpc32/dl-dtprocnum.h: New file. * sysdeps/powerpc/powerpc32/dl-machine.h (DT_PPC): Define. (ppc_got): New inline function. (elf_machine_dynamic): Use ppc_got. Add attribute const. (elf_machine_load_address): Add attribute const. Don't use int vars. Use bcl rather than bl to save trashing branch target stack. Use elf_machine_dynamic rather than duplicating code here. (elf_machine_runtime_setup): New inline function replacing define. Handle new PLT. (elf_machine_fixup_plt): Handle new PLT. (elf_machine_rela): Likewise. * sysdeps/powerpc/powerpc32/sysdep.h: Include config.h. (CALL_MCOUNT): Don't set up counter vars. * sysdeps/powerpc/powerpc32/ppc-mcount.S: Correct comment. * sysdeps/powerpc/powerpc32/elf/start.S (start_addressesp): Don't define when HAVE_ASM_PPC_REL16. (_start): Add HAVE_ASM_PPC_REL16 code. * sysdeps/powerpc/powerpc32/dl-start.S (_dl_start_user): Don't bl into the GOT when HAVE_ASM_PPC_REL16. * sysdeps/powerpc/powerpc32/memset.S (memset): Likewise. * sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S (__longjmp): Ditto. * sysdeps/powerpc/powerpc32/fpu/s_ceil.S (__ceil): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_ceilf.S (__ceilf): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_floor.S (__floor): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_floorf.S (__floorf): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_lround.S (__lround): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_rint.S (__rint): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_rintf.S (__rintf): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_round.S (__round): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_roundf.S (__roundf): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_trunc.S (__trunc): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_truncf.S (__truncf): Likewise. * sysdeps/powerpc/powerpc32/fpu/setjmp-common.S (__sigsetjmp): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S (__brk): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S (__getcontext): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S (__setcontext): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S (__swapcontext): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/socket.S (stackblock): Comment. (__socket): Bomb if NARGS >= 7. Invoke CGOTSETUP and CGOTRESTORE. 2005-06-17 Ulrich Drepper <drepper@redhat.com> * sysdeps/posix/sigignore.c: Include <string.h> to tell the compiler to use __GI_memset. * sysdeps/posix/signal.c: Likewise. * sysdeps/posix/sigset.c: Likewise. * sysdeps/posix/sysv_signal.c: Likewise. * sysdeps/unix/sysv/linux/sleep.c: Likewise. * sysdeps/unix/sysv/linux/sysctl.c: Likewise. * sysdeps/unix/sysv/linux/system.c: Likewise.
83 lines
2.2 KiB
C
83 lines
2.2 KiB
C
/* Copyright (C) 1998, 2000, 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <errno.h>
|
|
#define __need_NULL
|
|
#include <stddef.h>
|
|
#include <signal.h>
|
|
#include <string.h> /* For the real memset prototype. */
|
|
|
|
|
|
/* Set the disposition for SIG. */
|
|
__sighandler_t
|
|
sigset (sig, disp)
|
|
int sig;
|
|
__sighandler_t disp;
|
|
{
|
|
struct sigaction act, oact;
|
|
sigset_t set;
|
|
|
|
#ifdef SIG_HOLD
|
|
/* Handle SIG_HOLD first. */
|
|
if (disp == SIG_HOLD)
|
|
{
|
|
/* Create an empty signal set. */
|
|
if (__sigemptyset (&set) < 0)
|
|
return SIG_ERR;
|
|
|
|
/* Add the specified signal. */
|
|
if (__sigaddset (&set, sig) < 0)
|
|
return SIG_ERR;
|
|
|
|
/* Add the signal set to the current signal mask. */
|
|
if (__sigprocmask (SIG_BLOCK, &set, NULL) < 0)
|
|
return SIG_ERR;
|
|
|
|
return SIG_HOLD;
|
|
}
|
|
#endif /* SIG_HOLD */
|
|
|
|
/* Check signal extents to protect __sigismember. */
|
|
if (disp == SIG_ERR || sig < 1 || sig >= NSIG)
|
|
{
|
|
__set_errno (EINVAL);
|
|
return SIG_ERR;
|
|
}
|
|
|
|
act.sa_handler = disp;
|
|
if (__sigemptyset (&act.sa_mask) < 0)
|
|
return SIG_ERR;
|
|
act.sa_flags = 0;
|
|
if (__sigaction (sig, &act, &oact) < 0)
|
|
return SIG_ERR;
|
|
|
|
/* Create an empty signal set. */
|
|
if (__sigemptyset (&set) < 0)
|
|
return SIG_ERR;
|
|
|
|
/* Add the specified signal. */
|
|
if (__sigaddset (&set, sig) < 0)
|
|
return SIG_ERR;
|
|
|
|
/* Remove the signal set from the current signal mask. */
|
|
if (__sigprocmask (SIG_UNBLOCK, &set, NULL) < 0)
|
|
return SIG_ERR;
|
|
|
|
return oact.sa_handler;
|
|
}
|