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a7e915610a
2006-01-03 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/generic/sysdep.h (cfi_same_value): Define macro. * sysdeps/powerpc/powerpc32/dl-trampoline.S (_dl_runtime_resolve, _dl_profile_resolve): Add CFI directives for stack and LR save. Save LR in LRSAVE of previous frame per ABI. * sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S: Add CFI directives for LR save. * sysdeps/powerpc/powerpc32/lshift.S: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S (__makecontext, __novec_makecontext): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_ceil.S: Add CFI directive for LR save to register. * sysdeps/powerpc/powerpc32/fpu/s_ceilf.S: Likewise. * sysdeps/powerpc/powerpc32/fpu/s_floor.S: Likewise. * sysdeps/powerpc/powerpc32/fpu/s_floorf.S: Likewise. * sysdeps/powerpc/powerpc32/fpu/s_rint.S: Likewise. * sysdeps/powerpc/powerpc32/fpu/s_rintf.S: Likewise. * sysdeps/powerpc/powerpc32/fpu/s_round.S: Likewise. * sysdeps/powerpc/powerpc32/fpu/s_roundf.S: Likewise. * sysdeps/powerpc/powerpc32/fpu/s_trunc.S: Likewise. * sysdeps/powerpc/powerpc32/fpu/s_truncf.S: Likewise. * sysdeps/powerpc/powerpc32/fpu/setjmp-common.S: Likewise. * sysdeps/powerpc/powerpc32/fpu/s_copysign.S: Add CFI directive for stack. * sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S: Likewise. * sysdeps/powerpc/powerpc32/ppc-mcount.S: Add CFI directives for stack and LR save. * sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S: Likewise. * sysdeps/powerpc/powerpc32/fpu/s_lround.S: Likewise. Don't use negative stack addressing. * sysdeps/powerpc/powerpc64/dl-trampoline.S (_dl_runtime_resolve, _dl_profile_resolve): Add CFI directives for stack and LR save. * sysdeps/powerpc/powerpc64/fpu/s_copysign.S: Add CFI directives for stack. * sysdeps/powerpc/powerpc64/ppc-mcount.S (_mcount): Add CFI directives for stack and LR save. * sysdeps/unix/sysv/linux/powerpc/powerpc64/brk.S (__brk): Add CFI directives for stack. * sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S (__clone): Add CFI directives for stack. * sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S (__getcontext, __novec_getcontext): Add CFI directives for stack and LR save. * sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S (__makecontext): Add CFI directives for stack and LR save. * sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S (__setcontext, __novec_setcontext): Add CFI directives for stack and LR save. * sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S (__swapcontext, __novec_swapcontext): Add CFI directives for stack and LR save.
65 lines
1.7 KiB
ArmAsm
65 lines
1.7 KiB
ArmAsm
/* brk system call for Linux/ppc.
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Copyright (C) 1995-97, 1999, 2000, 2006 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA
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02110-1301 USA. */
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#include <sysdep.h>
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#define _ERRNO_H 1
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#include <bits/errno.h>
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#include <bp-sym.h>
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#include <bp-asm.h>
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.comm __curbrk,4,4
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.section ".text"
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ENTRY (BP_SYM (__brk))
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DISCARD_BOUNDS (r3) /* the bounds are meaningless, so toss 'em */
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mflr r0
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stwu r1,-16(r1)
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cfi_adjust_cfa_offset (16)
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stw r3,8(r1)
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stw r0,20(r1)
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cfi_offset (lr, 4)
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DO_CALL(SYS_ify(brk))
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lwz r6,8(r1)
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#ifdef PIC
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# ifdef HAVE_ASM_PPC_REL16
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bcl 20,31,1f
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1: mflr r5
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addis r5,r5,__curbrk-1b@ha
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stw r3,__curbrk-1b@l(r5)
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# else
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bl _GLOBAL_OFFSET_TABLE_@local-4
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mflr r5
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lwz r5,__curbrk@got(r5)
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stw r3,0(r5)
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# endif
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#else
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lis r4,__curbrk@ha
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stw r3,__curbrk@l(r4)
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#endif
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lwz r0,20(r1)
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cmplw r6,r3
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addi r1,r1,16
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mtlr r0
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li r3,0
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blelr+
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li r3,ENOMEM
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b __syscall_error@local
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END (BP_SYM (__brk))
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weak_alias (BP_SYM (__brk), BP_SYM (brk))
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