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Remove powerpc64 bounded-pointers code.
This commit is contained in:
Joseph Myers
parent
cdcf361fda
commit
2d67d91ac0
146
ChangeLog
146
ChangeLog
@ -1,3 +1,149 @@
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2013-03-06 Joseph Myers <joseph@codesourcery.com>
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[BZ #13550]
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* sysdeps/generic/bp-sym.h: Remove file.
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* sysdeps/powerpc/powerpc64/bp-asm.h: Likewise.
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* sysdeps/powerpc/powerpc64/__longjmp-common.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(__longjmp): Don't use BP_SYM.
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* sysdeps/powerpc/powerpc64/a2/memcpy.S: Don't include <bp-sym.h>
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and <bp-asm.h>.
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(memcpy): Don't use BP_SYM.
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* sysdeps/powerpc/powerpc64/cell/memcpy.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(memcpy): Don't use BP_SYM.
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* sysdeps/powerpc/powerpc64/memcpy.S: Don't include <bp-sym.h> and
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<bp-asm.h>.
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(memcpy): Don't use BP_SYM.
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* sysdeps/powerpc/powerpc64/memset.S: Don't include <bp-sym.h> and
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<bp-asm.h>.
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(memset): Don't use BP_SYM.
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(memset) [__BOUNDED_POINTERS__]: Remove conditional code.
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(memset) [!__BOUNDED_POINTERS__]: Make code unconditional.
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(__bzero): Don't use BP_SYM.
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(__bzero) [__BOUNDED_POINTERS__]: Remove conditional code.
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(__bzero) [!__BOUNDED_POINTERS__]: Make code unconditional.
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* sysdeps/powerpc/powerpc64/power4/memcmp.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(memcmp): Don't use BP_SYM. Remove comment about bounded
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pointers.
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* sysdeps/powerpc/powerpc64/power4/memcpy.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(memcpy): Don't use BP_SYM.
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* sysdeps/powerpc/powerpc64/power4/memset.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(memset): Don't use BP_SYM.
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(memset) [__BOUNDED_POINTERS__]: Remove conditional code.
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(memset) [!__BOUNDED_POINTERS__]: Make code unconditional.
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(__bzero): Don't use BP_SYM.
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(__bzero) [__BOUNDED_POINTERS__]: Remove conditional code.
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(__bzero) [!__BOUNDED_POINTERS__]: Make code unconditional.
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* sysdeps/powerpc/powerpc64/power4/strncmp.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(strncmp): Don't use BP_SYM. Remove comment about bounded
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pointers.
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* sysdeps/powerpc/powerpc64/power6/memcpy.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(memcpy): Don't use BP_SYM.
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* sysdeps/powerpc/powerpc64/power6/memset.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(memset): Don't use BP_SYM.
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(memset) [__BOUNDED_POINTERS__]: Remove conditional code.
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(memset) [!__BOUNDED_POINTERS__]: Make code unconditional.
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(__bzero): Don't use BP_SYM.
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(__bzero) [__BOUNDED_POINTERS__]: Remove conditional code.
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(__bzero) [!__BOUNDED_POINTERS__]: Make code unconditional.
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* sysdeps/powerpc/powerpc64/power7/memchr.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(__memchr): Don't use BP_SYM.
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* sysdeps/powerpc/powerpc64/power7/memcmp.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(memcmp): Don't use BP_SYM. Remove comment about bounded
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pointers.
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* sysdeps/powerpc/powerpc64/power7/memcpy.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(memcpy): Don't use BP_SYM.
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* sysdeps/powerpc/powerpc64/power7/mempcpy.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(__mempcpy): Don't use BP_SYM.
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* sysdeps/powerpc/powerpc64/power7/memrchr.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(__memrchr): Don't use BP_SYM.
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* sysdeps/powerpc/powerpc64/power7/memset.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(memset): Don't use BP_SYM.
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(__bzero): Likewise.
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* sysdeps/powerpc/powerpc64/power7/rawmemchr.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(__rawmemchr): Don't use BP_SYM.
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* sysdeps/powerpc/powerpc64/power7/strcasecmp.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(__STRCMP): Don't use BP_SYM.
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* sysdeps/powerpc/powerpc64/power7/strchr.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(strchr): Don't use BP_SYM.
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* sysdeps/powerpc/powerpc64/power7/strchrnul.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(__strchrnul): Don't use BP_SYM.
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* sysdeps/powerpc/powerpc64/power7/strlen.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(strlen): Don't use BP_SYM.
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* sysdeps/powerpc/powerpc64/power7/strncmp.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(strncmp): Don't use BP_SYM. Remove comment about bounded
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pointers.
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* sysdeps/powerpc/powerpc64/power7/strnlen.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(__strnlen): Don't use BP_SYM.
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* sysdeps/powerpc/powerpc64/setjmp-common.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(__GI__setjmp): Don't use BP_SYM.
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(_setjmp): Likewise.
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(__sigsetjmp): Likewise.
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* sysdeps/powerpc/powerpc64/start.S: Don't include "bp-sym.h".
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(L(start_addresses)): Don't use BP_SYM.
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(_start): Likewise.
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* sysdeps/powerpc/powerpc64/stpcpy.S: Don't include <bp-sym.h> and
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<bp-asm.h>.
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(__stpcpy): Don't use BP_SYM, CHECK_BOUNDS_LOW,
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STORE_RETURN_BOUNDS, CHECK_BOUNDS_HIGH and STORE_RETURN_VALUE.
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(__stpcpy) [__BOUNDED_POINTERS__]: Remove conditional code.
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(__stpcpy) [!__BOUNDED_POINTERS__]: Make code unconditional.
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* sysdeps/powerpc/powerpc64/strchr.S: Don't include <bp-sym.h> and
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<bp-asm.h>.
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(strchr): Don't use BP_SYM, CHECK_BOUNDS_LOW, STORE_RETURN_BOUNDS,
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CHECK_BOUNDS_HIGH_RTN and STORE_RETURN_VALUE. Remove comment
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about bounded pointers.
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(strchr) [__BOUNDED_POINTERS__]: Remove conditional code.
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(strchr) [!__BOUNDED_POINTERS__]: Make code unconditional.
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* sysdeps/powerpc/powerpc64/strcmp.S: Don't include <bp-sym.h> and
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<bp-asm.h>.
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(strcmp): Don't use BP_SYM and CHECK_BOUNDS_LOW. Remove comment
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about bounded pointers. Remove GKM FIXME comments.
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(strcmp) [__BOUNDED_POINTERS__]: Remove conditional code.
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* sysdeps/powerpc/powerpc64/strcpy.S: Don't include <bp-sym.h> and
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<bp-asm.h>.
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(strcpy): Don't use BP_SYM, CHECK_BOUNDS_LOW and
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STORE_RETURN_BOUNDS. Remove comment about bounded pointers.
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Remove GKM FIXME comments.
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(strcpy) [__BOUNDED_POINTERS__]: Remove conditional code.
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(strcpy) [!__BOUNDED_POINTERS__]: Make code unconditional.
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* sysdeps/powerpc/powerpc64/strlen.S: Don't include <bp-sym.h> and
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<bp-asm.h>.
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(strlen): Don't use BP_SYM and CHECK_BOUNDS_LOW. Remove comment
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about bounded pointers. Remove GKM FIXME comment.
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* sysdeps/powerpc/powerpc64/strncmp.S: Don't include <bp-sym.h>
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and <bp-asm.h>.
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(strncmp): Don't use BP_SYM. Remove comment about bounded
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pointers.
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* sysdeps/unix/sysv/linux/powerpc/powerpc64/brk.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(__brk): Don't use BP_SYM and DISCARD_BOUNDS.
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* sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S: Don't include
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<bp-sym.h> and <bp-asm.h>.
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(__clone): Don't use BP_SYM and DISCARD_BOUNDS. Remove GKM FIXME
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comment.
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2013-03-05 Paul Pluzhnikov <ppluzhnikov@google.com>
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* stdio-common/vfprintf.c (vfprintf): Check malloc return; don't
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6
NEWS
6
NEWS
@ -9,9 +9,9 @@ Version 2.18
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* The following bugs are resolved with this release:
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11561, 13951, 14142, 14200, 14317, 14327, 14496, 14920, 14964, 14981,
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14982, 14985, 14994, 14996, 15003, 15006, 15020, 15023, 15036, 15054,
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15055, 15062, 15078, 15160.
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11561, 13550, 13951, 14142, 14200, 14317, 14327, 14496, 14920, 14964,
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14981, 14982, 14985, 14994, 14996, 15003, 15006, 15020, 15023, 15036,
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15054, 15055, 15062, 15078, 15160.
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* Add support for calling C++11 thread_local object destructors on thread
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and program exit. This needs compiler support for offloading C++11
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@ -1,25 +0,0 @@
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/* Bounded-pointer symbol modifier.
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Copyright (C) 2000-2013 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Greg McGary <greg@mcgary.org>
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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, see
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<http://www.gnu.org/licenses/>. */
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#define BP_SYM(name) _BP_SYM (name)
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#if __BOUNDED_POINTERS__
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# define _BP_SYM(name) __BP_##name
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#else
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# define _BP_SYM(name) name
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#endif
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@ -24,8 +24,6 @@
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#else
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# include <jmpbuf-offsets.h>
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#endif
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#include <bp-sym.h>
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#include <bp-asm.h>
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#ifndef __NO_VMX__
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.section ".toc","aw"
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@ -45,9 +43,8 @@
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#endif
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.machine "altivec"
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ENTRY (BP_SYM (__longjmp))
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ENTRY (__longjmp)
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CALL_MCOUNT 2
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CHECK_BOUNDS_BOTH_WIDE_LIT (r3, r8, r9, JB_SIZE)
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#ifndef __NO_VMX__
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ld r5,.LC__dl_hwcap@toc(r2)
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# ifdef SHARED
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@ -178,4 +175,4 @@ L(no_vmx):
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lfd fp31,((JB_FPRS+17)*8)(r3)
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mr r3,r4
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blr
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END (BP_SYM (__longjmp))
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END (__longjmp)
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@ -18,8 +18,6 @@
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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#include <bp-sym.h>
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#include <bp-asm.h>
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#define PREFETCH_AHEAD 4 /* no cache lines SRC prefetching ahead */
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#define ZERO_AHEAD 2 /* no cache lines DST zeroing ahead */
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@ -32,7 +30,7 @@
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.machine a2
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EALIGN (BP_SYM (memcpy), 5, 0)
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EALIGN (memcpy, 5, 0)
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CALL_MCOUNT 3
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dcbt 0,r4 /* Prefetch ONE SRC cacheline */
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@ -522,5 +520,5 @@ L(endloop2_128):
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b L(lessthancacheline)
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END_GEN_TB (BP_SYM (memcpy),TB_TOCLESS)
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END_GEN_TB (memcpy,TB_TOCLESS)
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libc_hidden_builtin_def (memcpy)
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@ -1,113 +0,0 @@
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/* Bounded-pointer definitions for PowerPC64 assembler.
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Copyright (C) 2000-2013 Free Software Foundation, Inc.
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Contributed by Greg McGary <greg@mcgary.org>
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This file is part of the GNU C Library. Its master source is NOT part of
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the C library, however. The master source lives in the GNU MP 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, see <http://www.gnu.org/licenses/>. */
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#if __BOUNDED_POINTERS__
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/* Byte offsets of BP components. */
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# define oVALUE 0
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# define oLOW 4
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# define oHIGH 8
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/* Don't check bounds, just convert the BP register to its simple
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pointer value. */
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# define DISCARD_BOUNDS(rBP) \
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ld rBP, oVALUE(rBP)
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/* Check low bound, with the side effect that the BP register is converted
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its simple pointer value. Move the high bound into a register for
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later use. */
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# define CHECK_BOUNDS_LOW(rBP, rLOW, rHIGH) \
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ld rHIGH, oHIGH(rBP); \
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ld rLOW, oLOW(rBP); \
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ld rBP, oVALUE(rBP); \
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tdllt rBP, rLOW
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/* Check the high bound, which is in a register, using the given
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conditional trap instruction. */
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# define CHECK_BOUNDS_HIGH(rVALUE, rHIGH, TWLcc) \
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TWLcc rVALUE, rHIGH
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/* Check the high bound, which is stored at the return-value's high
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bound slot, using the given conditional trap instruction. */
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# define CHECK_BOUNDS_HIGH_RTN(rVALUE, rHIGH, TWLcc) \
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ld rHIGH, oHIGH(rRTN); \
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TWLcc rVALUE, rHIGH
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/* Check both bounds, with the side effect that the BP register is
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converted to its simple pointer value. */
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# define CHECK_BOUNDS_BOTH(rBP, rLOW, rHIGH) \
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CHECK_BOUNDS_LOW(rBP, rLOW, rHIGH); \
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tdlge rBP, rHIGH
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/* Check bounds on a memory region of given length, with the side
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effect that the BP register is converted to its simple pointer
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value. */
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# define CHECK_BOUNDS_BOTH_WIDE(rBP, rLOW, rHIGH, rLENGTH) \
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CHECK_BOUNDS_LOW (rBP, rLOW, rHIGH); \
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sub rHIGH, rHIGH, rLENGTH; \
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tdlgt rBP, rHIGH
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# define CHECK_BOUNDS_BOTH_WIDE_LIT(rBP, rLOW, rHIGH, LENGTH) \
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CHECK_BOUNDS_LOW (rBP, rLOW, rHIGH); \
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subi rHIGH, rHIGH, LENGTH; \
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tdlgt rBP, rHIGH
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/* Store a pointer value register into the return-value's pointer
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value slot. */
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# define STORE_RETURN_VALUE(rVALUE) \
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std rVALUE, oVALUE(rRTN)
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/* Store a low and high bounds into the return-value's pointer bounds
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slots. */
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# define STORE_RETURN_BOUNDS(rLOW, rHIGH) \
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std rLOW, oLOW(rRTN); \
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std rHIGH, oHIGH(rRTN)
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/* Stuff zero value/low/high into the BP addressed by rRTN. */
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# define RETURN_NULL_BOUNDED_POINTER \
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li r4, 0; \
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STORE_RETURN_VALUE (r4); \
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STORE_RETURN_BOUNDS (r4, r4)
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#else
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# define DISCARD_BOUNDS(rBP)
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# define CHECK_BOUNDS_LOW(rBP, rLOW, rHIGH)
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# define CHECK_BOUNDS_HIGH(rVALUE, rHIGH, TWLcc)
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# define CHECK_BOUNDS_HIGH_RTN(rVALUE, rHIGH, TWLcc)
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# define CHECK_BOUNDS_BOTH(rBP, rLOW, rHIGH)
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# define CHECK_BOUNDS_BOTH_WIDE(rBP, rLOW, rHIGH, rLENGTH)
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# define CHECK_BOUNDS_BOTH_WIDE_LIT(rBP, rLOW, rHIGH, LENGTH)
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# define STORE_RETURN_VALUE(rVALUE)
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# define STORE_RETURN_BOUNDS(rLOW, rHIGH)
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# define RETURN_NULL_BOUNDED_POINTER li rRTN, 0
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#endif
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@ -17,8 +17,6 @@
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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#include <bp-sym.h>
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#include <bp-asm.h>
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#define PREFETCH_AHEAD 6 /* no cache lines SRC prefetching ahead */
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#define ZERO_AHEAD 4 /* no cache lines DST zeroing ahead */
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@ -41,7 +39,7 @@
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.align 7
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EALIGN (BP_SYM (memcpy), 5, 0)
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EALIGN (memcpy, 5, 0)
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CALL_MCOUNT 3
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dcbt 0,r4 /* Prefetch ONE SRC cacheline */
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@ -240,5 +238,5 @@ EALIGN (BP_SYM (memcpy), 5, 0)
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stb r0,0(r6)
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1: blr
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END_GEN_TB (BP_SYM (memcpy),TB_TOCLESS)
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END_GEN_TB (memcpy,TB_TOCLESS)
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libc_hidden_builtin_def (memcpy)
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@ -17,8 +17,6 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
/* __ptr_t [r3] memcpy (__ptr_t dst [r3], __ptr_t src [r4], size_t len [r5]);
|
||||
Returns 'dst'.
|
||||
@ -35,7 +33,7 @@
|
||||
possible when both source and destination are doubleword aligned.
|
||||
Each case has a optimized unrolled loop. */
|
||||
|
||||
EALIGN (BP_SYM (memcpy), 5, 0)
|
||||
EALIGN (memcpy, 5, 0)
|
||||
CALL_MCOUNT 3
|
||||
|
||||
cmpldi cr1,5,31
|
||||
@ -364,5 +362,5 @@ EALIGN (BP_SYM (memcpy), 5, 0)
|
||||
ld 31,-8(1)
|
||||
ld 3,-16(1)
|
||||
blr
|
||||
END_GEN_TB (BP_SYM (memcpy),TB_TOCLESS)
|
||||
END_GEN_TB (memcpy,TB_TOCLESS)
|
||||
libc_hidden_builtin_def (memcpy)
|
||||
|
||||
@ -17,8 +17,6 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
.section ".toc","aw"
|
||||
.LC0:
|
||||
@ -33,22 +31,15 @@
|
||||
cache line (256 bits). There is a special case for setting cache lines
|
||||
to 0, to take advantage of the dcbz instruction. */
|
||||
|
||||
EALIGN (BP_SYM (memset), 5, 0)
|
||||
EALIGN (memset, 5, 0)
|
||||
CALL_MCOUNT 3
|
||||
|
||||
#define rTMP r0
|
||||
#define rRTN r3 /* Initial value of 1st argument. */
|
||||
#if __BOUNDED_POINTERS__
|
||||
# define rMEMP0 r4 /* Original value of 1st arg. */
|
||||
# define rCHR r5 /* Char to set in each byte. */
|
||||
# define rLEN r6 /* Length of region to set. */
|
||||
# define rMEMP r10 /* Address at which we are storing. */
|
||||
#else
|
||||
# define rMEMP0 r3 /* Original value of 1st arg. */
|
||||
# define rCHR r4 /* Char to set in each byte. */
|
||||
# define rLEN r5 /* Length of region to set. */
|
||||
# define rMEMP r6 /* Address at which we are storing. */
|
||||
#endif
|
||||
#define rMEMP0 r3 /* Original value of 1st arg. */
|
||||
#define rCHR r4 /* Char to set in each byte. */
|
||||
#define rLEN r5 /* Length of region to set. */
|
||||
#define rMEMP r6 /* Address at which we are storing. */
|
||||
#define rALIGN r7 /* Number of bytes we are setting now (when aligning). */
|
||||
#define rMEMP2 r8
|
||||
|
||||
@ -56,14 +47,6 @@ EALIGN (BP_SYM (memset), 5, 0)
|
||||
#define rCLS r8 /* Cache line size obtained from static. */
|
||||
#define rCLM r9 /* Cache line size mask to check for cache alignment. */
|
||||
L(_memset):
|
||||
#if __BOUNDED_POINTERS__
|
||||
cmpldi cr1, rRTN, 0
|
||||
CHECK_BOUNDS_BOTH_WIDE (rMEMP0, rTMP, rTMP2, rLEN)
|
||||
beq cr1, L(b0)
|
||||
STORE_RETURN_VALUE (rMEMP0)
|
||||
STORE_RETURN_BOUNDS (rTMP, rTMP2)
|
||||
L(b0):
|
||||
#endif
|
||||
/* Take care of case for size <= 4. */
|
||||
cmpldi cr1, rLEN, 8
|
||||
andi. rALIGN, rMEMP0, 7
|
||||
@ -261,25 +244,16 @@ L(medium_27f):
|
||||
L(medium_28t):
|
||||
std rCHR, -8(rMEMP)
|
||||
blr
|
||||
END_GEN_TB (BP_SYM (memset),TB_TOCLESS)
|
||||
END_GEN_TB (memset,TB_TOCLESS)
|
||||
libc_hidden_builtin_def (memset)
|
||||
|
||||
/* Copied from bzero.S to prevent the linker from inserting a stub
|
||||
between bzero and memset. */
|
||||
ENTRY (BP_SYM (__bzero))
|
||||
ENTRY (__bzero)
|
||||
CALL_MCOUNT 3
|
||||
#if __BOUNDED_POINTERS__
|
||||
mr r6,r4
|
||||
li r5,0
|
||||
mr r4,r3
|
||||
/* Tell memset that we don't want a return value. */
|
||||
li r3,0
|
||||
b L(_memset)
|
||||
#else
|
||||
mr r5,r4
|
||||
li r4,0
|
||||
b L(_memset)
|
||||
#endif
|
||||
END_GEN_TB (BP_SYM (__bzero),TB_TOCLESS)
|
||||
END_GEN_TB (__bzero,TB_TOCLESS)
|
||||
|
||||
weak_alias (BP_SYM (__bzero), BP_SYM (bzero))
|
||||
weak_alias (__bzero, bzero)
|
||||
|
||||
@ -17,13 +17,11 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
/* int [r3] memcmp (const char *s1 [r3], const char *s2 [r4], size_t size [r5]) */
|
||||
|
||||
.machine power4
|
||||
EALIGN (BP_SYM(memcmp), 4, 0)
|
||||
EALIGN (memcmp, 4, 0)
|
||||
CALL_MCOUNT 3
|
||||
|
||||
#define rTMP r0
|
||||
@ -31,9 +29,6 @@ EALIGN (BP_SYM(memcmp), 4, 0)
|
||||
#define rSTR1 r3 /* first string arg */
|
||||
#define rSTR2 r4 /* second string arg */
|
||||
#define rN r5 /* max string length */
|
||||
/* Note: The Bounded pointer support in this code is broken. This code
|
||||
was inherited from PPC32 and that support was never completed.
|
||||
Current PPC gcc does not support -fbounds-check or -fbounded-pointers. */
|
||||
#define rWORD1 r6 /* current word in s1 */
|
||||
#define rWORD2 r7 /* current word in s2 */
|
||||
#define rWORD3 r8 /* next word in s1 */
|
||||
@ -976,6 +971,6 @@ L(duzeroLength):
|
||||
li rRTN,0
|
||||
blr
|
||||
|
||||
END (BP_SYM (memcmp))
|
||||
END (memcmp)
|
||||
libc_hidden_builtin_def (memcmp)
|
||||
weak_alias (memcmp, bcmp)
|
||||
|
||||
@ -17,8 +17,6 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
/* __ptr_t [r3] memcpy (__ptr_t dst [r3], __ptr_t src [r4], size_t len [r5]);
|
||||
Returns 'dst'.
|
||||
@ -36,7 +34,7 @@
|
||||
Each case has a optimized unrolled loop. */
|
||||
|
||||
.machine power4
|
||||
EALIGN (BP_SYM (memcpy), 5, 0)
|
||||
EALIGN (memcpy, 5, 0)
|
||||
CALL_MCOUNT 3
|
||||
|
||||
cmpldi cr1,5,31
|
||||
@ -413,5 +411,5 @@ EALIGN (BP_SYM (memcpy), 5, 0)
|
||||
ld 31,-8(1)
|
||||
ld 3,-16(1)
|
||||
blr
|
||||
END_GEN_TB (BP_SYM (memcpy),TB_TOCLESS)
|
||||
END_GEN_TB (memcpy,TB_TOCLESS)
|
||||
libc_hidden_builtin_def (memcpy)
|
||||
|
||||
@ -17,8 +17,6 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
/* __ptr_t [r3] memset (__ptr_t s [r3], int c [r4], size_t n [r5]));
|
||||
Returns 's'.
|
||||
@ -28,22 +26,15 @@
|
||||
to 0, to take advantage of the dcbz instruction. */
|
||||
|
||||
.machine power4
|
||||
EALIGN (BP_SYM (memset), 5, 0)
|
||||
EALIGN (memset, 5, 0)
|
||||
CALL_MCOUNT 3
|
||||
|
||||
#define rTMP r0
|
||||
#define rRTN r3 /* Initial value of 1st argument. */
|
||||
#if __BOUNDED_POINTERS__
|
||||
# define rMEMP0 r4 /* Original value of 1st arg. */
|
||||
# define rCHR r5 /* Char to set in each byte. */
|
||||
# define rLEN r6 /* Length of region to set. */
|
||||
# define rMEMP r10 /* Address at which we are storing. */
|
||||
#else
|
||||
# define rMEMP0 r3 /* Original value of 1st arg. */
|
||||
# define rCHR r4 /* Char to set in each byte. */
|
||||
# define rLEN r5 /* Length of region to set. */
|
||||
# define rMEMP r6 /* Address at which we are storing. */
|
||||
#endif
|
||||
#define rMEMP0 r3 /* Original value of 1st arg. */
|
||||
#define rCHR r4 /* Char to set in each byte. */
|
||||
#define rLEN r5 /* Length of region to set. */
|
||||
#define rMEMP r6 /* Address at which we are storing. */
|
||||
#define rALIGN r7 /* Number of bytes we are setting now (when aligning). */
|
||||
#define rMEMP2 r8
|
||||
|
||||
@ -51,14 +42,6 @@ EALIGN (BP_SYM (memset), 5, 0)
|
||||
#define rCLS r8 /* Cache line size obtained from static. */
|
||||
#define rCLM r9 /* Cache line size mask to check for cache alignment. */
|
||||
L(_memset):
|
||||
#if __BOUNDED_POINTERS__
|
||||
cmpldi cr1, rRTN, 0
|
||||
CHECK_BOUNDS_BOTH_WIDE (rMEMP0, rTMP, rTMP2, rLEN)
|
||||
beq cr1, L(b0)
|
||||
STORE_RETURN_VALUE (rMEMP0)
|
||||
STORE_RETURN_BOUNDS (rTMP, rTMP2)
|
||||
L(b0):
|
||||
#endif
|
||||
/* Take care of case for size <= 4. */
|
||||
cmpldi cr1, rLEN, 8
|
||||
andi. rALIGN, rMEMP0, 7
|
||||
@ -249,25 +232,16 @@ L(medium_27f):
|
||||
L(medium_28t):
|
||||
std rCHR, -8(rMEMP)
|
||||
blr
|
||||
END_GEN_TB (BP_SYM (memset),TB_TOCLESS)
|
||||
END_GEN_TB (memset,TB_TOCLESS)
|
||||
libc_hidden_builtin_def (memset)
|
||||
|
||||
/* Copied from bzero.S to prevent the linker from inserting a stub
|
||||
between bzero and memset. */
|
||||
ENTRY (BP_SYM (__bzero))
|
||||
ENTRY (__bzero)
|
||||
CALL_MCOUNT 3
|
||||
#if __BOUNDED_POINTERS__
|
||||
mr r6,r4
|
||||
li r5,0
|
||||
mr r4,r3
|
||||
/* Tell memset that we don't want a return value. */
|
||||
li r3,0
|
||||
b L(_memset)
|
||||
#else
|
||||
mr r5,r4
|
||||
li r4,0
|
||||
b L(_memset)
|
||||
#endif
|
||||
END_GEN_TB (BP_SYM (__bzero),TB_TOCLESS)
|
||||
END_GEN_TB (__bzero,TB_TOCLESS)
|
||||
|
||||
weak_alias (BP_SYM (__bzero), BP_SYM (bzero))
|
||||
weak_alias (__bzero, bzero)
|
||||
|
||||
@ -17,14 +17,12 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
/* See strlen.s for comments on how the end-of-string testing works. */
|
||||
|
||||
/* int [r3] strncmp (const char *s1 [r3], const char *s2 [r4], size_t size [r5]) */
|
||||
|
||||
EALIGN (BP_SYM(strncmp), 4, 0)
|
||||
EALIGN (strncmp, 4, 0)
|
||||
CALL_MCOUNT 3
|
||||
|
||||
#define rTMP r0
|
||||
@ -32,9 +30,6 @@ EALIGN (BP_SYM(strncmp), 4, 0)
|
||||
#define rSTR1 r3 /* first string arg */
|
||||
#define rSTR2 r4 /* second string arg */
|
||||
#define rN r5 /* max string length */
|
||||
/* Note: The Bounded pointer support in this code is broken. This code
|
||||
was inherited from PPC32 and that support was never completed.
|
||||
Current PPC gcc does not support -fbounds-check or -fbounded-pointers. */
|
||||
#define rWORD1 r6 /* current word in s1 */
|
||||
#define rWORD2 r7 /* current word in s2 */
|
||||
#define rWORD3 r10
|
||||
@ -175,5 +170,5 @@ L(u4): sub rRTN, rWORD1, rWORD2
|
||||
L(ux):
|
||||
li rRTN, 0
|
||||
blr
|
||||
END (BP_SYM (strncmp))
|
||||
END (strncmp)
|
||||
libc_hidden_builtin_def (strncmp)
|
||||
|
||||
@ -17,8 +17,6 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
/* __ptr_t [r3] memcpy (__ptr_t dst [r3], __ptr_t src [r4], size_t len [r5]);
|
||||
Returns 'dst'.
|
||||
@ -43,7 +41,7 @@
|
||||
for the destination. */
|
||||
|
||||
.machine "power6"
|
||||
EALIGN (BP_SYM (memcpy), 7, 0)
|
||||
EALIGN (memcpy, 7, 0)
|
||||
CALL_MCOUNT 3
|
||||
|
||||
cmpldi cr1,5,31
|
||||
@ -1165,5 +1163,5 @@ L(du_done):
|
||||
ld 31,-8(1)
|
||||
ld 3,-16(1)
|
||||
blr
|
||||
END_GEN_TB (BP_SYM (memcpy),TB_TOCLESS)
|
||||
END_GEN_TB (memcpy,TB_TOCLESS)
|
||||
libc_hidden_builtin_def (memcpy)
|
||||
|
||||
@ -17,8 +17,6 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
/* __ptr_t [r3] memset (__ptr_t s [r3], int c [r4], size_t n [r5]));
|
||||
Returns 's'.
|
||||
@ -28,34 +26,19 @@
|
||||
to 0, to take advantage of the dcbz instruction. */
|
||||
|
||||
.machine power6
|
||||
EALIGN (BP_SYM (memset), 7, 0)
|
||||
EALIGN (memset, 7, 0)
|
||||
CALL_MCOUNT 3
|
||||
|
||||
#define rTMP r0
|
||||
#define rRTN r3 /* Initial value of 1st argument. */
|
||||
#if __BOUNDED_POINTERS__
|
||||
# define rMEMP0 r4 /* Original value of 1st arg. */
|
||||
# define rCHR r5 /* Char to set in each byte. */
|
||||
# define rLEN r6 /* Length of region to set. */
|
||||
# define rMEMP r10 /* Address at which we are storing. */
|
||||
#else
|
||||
# define rMEMP0 r3 /* Original value of 1st arg. */
|
||||
# define rCHR r4 /* Char to set in each byte. */
|
||||
# define rLEN r5 /* Length of region to set. */
|
||||
# define rMEMP r6 /* Address at which we are storing. */
|
||||
#endif
|
||||
#define rMEMP0 r3 /* Original value of 1st arg. */
|
||||
#define rCHR r4 /* Char to set in each byte. */
|
||||
#define rLEN r5 /* Length of region to set. */
|
||||
#define rMEMP r6 /* Address at which we are storing. */
|
||||
#define rALIGN r7 /* Number of bytes we are setting now (when aligning). */
|
||||
#define rMEMP2 r8
|
||||
#define rMEMP3 r9 /* Alt mem pointer. */
|
||||
L(_memset):
|
||||
#if __BOUNDED_POINTERS__
|
||||
cmpldi cr1, rRTN, 0
|
||||
CHECK_BOUNDS_BOTH_WIDE (rMEMP0, rTMP, rTMP2, rLEN)
|
||||
beq cr1, L(b0)
|
||||
STORE_RETURN_VALUE (rMEMP0)
|
||||
STORE_RETURN_BOUNDS (rTMP, rTMP2)
|
||||
L(b0):
|
||||
#endif
|
||||
/* Take care of case for size <= 4. */
|
||||
cmpldi cr1, rLEN, 8
|
||||
andi. rALIGN, rMEMP0, 7
|
||||
@ -393,25 +376,16 @@ L(medium_27f):
|
||||
L(medium_28t):
|
||||
std rCHR, -8(rMEMP)
|
||||
blr
|
||||
END_GEN_TB (BP_SYM (memset),TB_TOCLESS)
|
||||
END_GEN_TB (memset,TB_TOCLESS)
|
||||
libc_hidden_builtin_def (memset)
|
||||
|
||||
/* Copied from bzero.S to prevent the linker from inserting a stub
|
||||
between bzero and memset. */
|
||||
ENTRY (BP_SYM (__bzero))
|
||||
ENTRY (__bzero)
|
||||
CALL_MCOUNT 3
|
||||
#if __BOUNDED_POINTERS__
|
||||
mr r6,r4
|
||||
li r5,0
|
||||
mr r4,r3
|
||||
/* Tell memset that we don't want a return value. */
|
||||
li r3,0
|
||||
b L(_memset)
|
||||
#else
|
||||
mr r5,r4
|
||||
li r4,0
|
||||
b L(_memset)
|
||||
#endif
|
||||
END_GEN_TB (BP_SYM (__bzero),TB_TOCLESS)
|
||||
END_GEN_TB (__bzero,TB_TOCLESS)
|
||||
|
||||
weak_alias (BP_SYM (__bzero), BP_SYM (bzero))
|
||||
weak_alias (__bzero, bzero)
|
||||
|
||||
@ -18,12 +18,10 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
/* int [r3] memchr (char *s [r3], int byte [r4], int size [r5]) */
|
||||
.machine power7
|
||||
ENTRY (BP_SYM (__memchr))
|
||||
ENTRY (__memchr)
|
||||
CALL_MCOUNT 2
|
||||
dcbt 0,r3
|
||||
clrrdi r8,r3,3
|
||||
@ -202,6 +200,6 @@ L(loop_small): /* loop_small has been unrolled. */
|
||||
blr
|
||||
|
||||
|
||||
END (BP_SYM (__memchr))
|
||||
weak_alias (BP_SYM (__memchr), BP_SYM(memchr))
|
||||
END (__memchr)
|
||||
weak_alias (__memchr, memchr)
|
||||
libc_hidden_builtin_def (memchr)
|
||||
|
||||
@ -17,15 +17,13 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
/* int [r3] memcmp (const char *s1 [r3],
|
||||
const char *s2 [r4],
|
||||
size_t size [r5]) */
|
||||
|
||||
.machine power7
|
||||
EALIGN (BP_SYM(memcmp),4,0)
|
||||
EALIGN (memcmp,4,0)
|
||||
CALL_MCOUNT 3
|
||||
|
||||
#define rTMP r0
|
||||
@ -33,9 +31,6 @@ EALIGN (BP_SYM(memcmp),4,0)
|
||||
#define rSTR1 r3 /* first string arg */
|
||||
#define rSTR2 r4 /* second string arg */
|
||||
#define rN r5 /* max string length */
|
||||
/* Note: The Bounded pointer support in this code is broken. This code
|
||||
was inherited from PPC32 and that support was never completed.
|
||||
Current PPC gcc does not support -fbounds-check or -fbounded-pointers. */
|
||||
#define rWORD1 r6 /* current word in s1 */
|
||||
#define rWORD2 r7 /* current word in s2 */
|
||||
#define rWORD3 r8 /* next word in s1 */
|
||||
@ -978,6 +973,6 @@ L(duzeroLength):
|
||||
li rRTN,0
|
||||
blr
|
||||
|
||||
END (BP_SYM (memcmp))
|
||||
END (memcmp)
|
||||
libc_hidden_builtin_def (memcmp)
|
||||
weak_alias (memcmp,bcmp)
|
||||
|
||||
@ -18,15 +18,13 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
|
||||
/* __ptr_t [r3] memcpy (__ptr_t dst [r3], __ptr_t src [r4], size_t len [r5]);
|
||||
Returns 'dst'. */
|
||||
|
||||
.machine power7
|
||||
EALIGN (BP_SYM (memcpy), 5, 0)
|
||||
EALIGN (memcpy, 5, 0)
|
||||
CALL_MCOUNT 3
|
||||
|
||||
cmpldi cr1,5,31
|
||||
@ -502,5 +500,5 @@ L(end_unaligned_loop):
|
||||
ld 3,-16(1)
|
||||
blr
|
||||
|
||||
END_GEN_TB (BP_SYM (memcpy),TB_TOCLESS)
|
||||
END_GEN_TB (memcpy,TB_TOCLESS)
|
||||
libc_hidden_builtin_def (memcpy)
|
||||
|
||||
@ -18,15 +18,13 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
|
||||
/* __ptr_t [r3] __mempcpy (__ptr_t dst [r3], __ptr_t src [r4], size_t len [r5]);
|
||||
Returns 'dst' + 'len'. */
|
||||
|
||||
.machine power7
|
||||
EALIGN (BP_SYM (__mempcpy), 5, 0)
|
||||
EALIGN (__mempcpy, 5, 0)
|
||||
CALL_MCOUNT 3
|
||||
|
||||
cmpldi cr1,5,31
|
||||
@ -451,7 +449,7 @@ L(end_unaligned_loop):
|
||||
add 3,3,5
|
||||
blr
|
||||
|
||||
END_GEN_TB (BP_SYM (__mempcpy),TB_TOCLESS)
|
||||
libc_hidden_def (BP_SYM (__mempcpy))
|
||||
weak_alias (BP_SYM (__mempcpy), BP_SYM (mempcpy))
|
||||
END_GEN_TB (__mempcpy,TB_TOCLESS)
|
||||
libc_hidden_def (__mempcpy)
|
||||
weak_alias (__mempcpy, mempcpy)
|
||||
libc_hidden_builtin_def (mempcpy)
|
||||
|
||||
@ -18,12 +18,10 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
/* int [r3] memrchr (char *s [r3], int byte [r4], int size [r5]) */
|
||||
.machine power7
|
||||
ENTRY (BP_SYM (__memrchr))
|
||||
ENTRY (__memrchr)
|
||||
CALL_MCOUNT
|
||||
dcbt 0,r3
|
||||
mr r7,r3
|
||||
@ -174,6 +172,6 @@ L(loop_small):
|
||||
ble L(null)
|
||||
b L(loop_small)
|
||||
|
||||
END (BP_SYM (__memrchr))
|
||||
weak_alias (BP_SYM (__memrchr), BP_SYM(memrchr))
|
||||
END (__memrchr)
|
||||
weak_alias (__memrchr, memrchr)
|
||||
libc_hidden_builtin_def (memrchr)
|
||||
|
||||
@ -18,14 +18,12 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
/* __ptr_t [r3] memset (__ptr_t s [r3], int c [r4], size_t n [r5]));
|
||||
Returns 's'. */
|
||||
|
||||
.machine power7
|
||||
EALIGN (BP_SYM (memset), 5, 0)
|
||||
EALIGN (memset, 5, 0)
|
||||
CALL_MCOUNT 3
|
||||
|
||||
L(_memset):
|
||||
@ -382,16 +380,16 @@ L(small):
|
||||
stw 4,4(10)
|
||||
blr
|
||||
|
||||
END_GEN_TB (BP_SYM (memset),TB_TOCLESS)
|
||||
END_GEN_TB (memset,TB_TOCLESS)
|
||||
libc_hidden_builtin_def (memset)
|
||||
|
||||
/* Copied from bzero.S to prevent the linker from inserting a stub
|
||||
between bzero and memset. */
|
||||
ENTRY (BP_SYM (__bzero))
|
||||
ENTRY (__bzero)
|
||||
CALL_MCOUNT 3
|
||||
mr r5,r4
|
||||
li r4,0
|
||||
b L(_memset)
|
||||
END_GEN_TB (BP_SYM (__bzero),TB_TOCLESS)
|
||||
END_GEN_TB (__bzero,TB_TOCLESS)
|
||||
|
||||
weak_alias (BP_SYM (__bzero), BP_SYM (bzero))
|
||||
weak_alias (__bzero, bzero)
|
||||
|
||||
@ -18,12 +18,10 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
/* int [r3] rawmemchr (void *s [r3], int c [r4]) */
|
||||
.machine power7
|
||||
ENTRY (BP_SYM(__rawmemchr))
|
||||
ENTRY (__rawmemchr)
|
||||
CALL_MCOUNT 2
|
||||
dcbt 0,r3
|
||||
clrrdi r8,r3,3 /* Align the address to doubleword boundary. */
|
||||
@ -97,6 +95,6 @@ L(done):
|
||||
srdi r0,r0,3 /* Convert leading zeroes to bytes. */
|
||||
add r3,r8,r0 /* Return address of the matching char. */
|
||||
blr
|
||||
END (BP_SYM (__rawmemchr))
|
||||
END (__rawmemchr)
|
||||
weak_alias (__rawmemchr,rawmemchr)
|
||||
libc_hidden_builtin_def (__rawmemchr)
|
||||
|
||||
@ -17,8 +17,6 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
#include <locale-defines.h>
|
||||
|
||||
/* int [r3] strcasecmp (const char *s1 [r3], const char *s2 [r4] )
|
||||
@ -33,7 +31,7 @@
|
||||
# define STRCMP strcasecmp
|
||||
#endif
|
||||
|
||||
ENTRY (BP_SYM (__STRCMP))
|
||||
ENTRY (__STRCMP)
|
||||
CALL_MCOUNT 2
|
||||
|
||||
#define rRTN r3 /* Return value */
|
||||
@ -118,7 +116,7 @@ L(done):
|
||||
subf r0, rLWR2, rLWR1
|
||||
extsw rRTN, r0
|
||||
blr
|
||||
END (BP_SYM (__STRCMP))
|
||||
END (__STRCMP)
|
||||
|
||||
weak_alias (BP_SYM (__STRCMP), BP_SYM (STRCMP))
|
||||
weak_alias (__STRCMP, STRCMP)
|
||||
libc_hidden_builtin_def (__STRCMP)
|
||||
|
||||
@ -18,12 +18,10 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
/* int [r3] strchr (char *s [r3], int c [r4]) */
|
||||
.machine power7
|
||||
ENTRY (BP_SYM(strchr))
|
||||
ENTRY (strchr)
|
||||
CALL_MCOUNT 2
|
||||
dcbt 0,r3
|
||||
clrrdi r8,r3,3 /* Align the address to doubleword boundary. */
|
||||
@ -198,6 +196,6 @@ L(done_null):
|
||||
srdi r0,r0,3 /* Convert leading zeros to bytes. */
|
||||
add r3,r8,r0 /* Return address of the matching null byte. */
|
||||
blr
|
||||
END (BP_SYM (strchr))
|
||||
weak_alias (BP_SYM (strchr), BP_SYM (index))
|
||||
END (strchr)
|
||||
weak_alias (strchr, index)
|
||||
libc_hidden_builtin_def (strchr)
|
||||
|
||||
@ -18,12 +18,10 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
/* int [r3] strchrnul (char *s [r3], int c [r4]) */
|
||||
.machine power7
|
||||
ENTRY (BP_SYM(__strchrnul))
|
||||
ENTRY (__strchrnul)
|
||||
CALL_MCOUNT 2
|
||||
dcbt 0,r3
|
||||
clrrdi r8,r3,3 /* Align the address to doubleword boundary. */
|
||||
@ -112,6 +110,6 @@ L(done):
|
||||
srdi r0,r0,3 /* Convert leading zeros to bytes. */
|
||||
add r3,r8,r0 /* Return address of matching c/null byte. */
|
||||
blr
|
||||
END (BP_SYM (__strchrnul))
|
||||
END (__strchrnul)
|
||||
weak_alias (__strchrnul,strchrnul)
|
||||
libc_hidden_builtin_def (__strchrnul)
|
||||
|
||||
@ -18,12 +18,10 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
/* int [r3] strlen (char *s [r3]) */
|
||||
.machine power7
|
||||
ENTRY (BP_SYM (strlen))
|
||||
ENTRY (strlen)
|
||||
CALL_MCOUNT 1
|
||||
dcbt 0,r3
|
||||
clrrdi r4,r3,3 /* Align the address to doubleword boundary. */
|
||||
@ -94,5 +92,5 @@ L(done):
|
||||
srdi r0,r0,3 /* Convert leading zeroes to bytes. */
|
||||
add r3,r5,r0 /* Compute final length. */
|
||||
blr
|
||||
END (BP_SYM (strlen))
|
||||
END (strlen)
|
||||
libc_hidden_builtin_def (strlen)
|
||||
|
||||
@ -17,8 +17,6 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
/* See strlen.s for comments on how the end-of-string testing works. */
|
||||
|
||||
@ -26,7 +24,7 @@
|
||||
const char *s2 [r4],
|
||||
size_t size [r5]) */
|
||||
|
||||
EALIGN (BP_SYM(strncmp),5,0)
|
||||
EALIGN (strncmp,5,0)
|
||||
CALL_MCOUNT 3
|
||||
|
||||
#define rTMP r0
|
||||
@ -34,9 +32,6 @@ EALIGN (BP_SYM(strncmp),5,0)
|
||||
#define rSTR1 r3 /* first string arg */
|
||||
#define rSTR2 r4 /* second string arg */
|
||||
#define rN r5 /* max string length */
|
||||
/* Note: The Bounded pointer support in this code is broken. This code
|
||||
was inherited from PPC32 and that support was never completed.
|
||||
Current PPC gcc does not support -fbounds-check or -fbounded-pointers. */
|
||||
#define rWORD1 r6 /* current word in s1 */
|
||||
#define rWORD2 r7 /* current word in s2 */
|
||||
#define rWORD3 r10
|
||||
@ -179,5 +174,5 @@ L(u4): sub rRTN,rWORD1,rWORD2
|
||||
L(ux):
|
||||
li rRTN,0
|
||||
blr
|
||||
END (BP_SYM (strncmp))
|
||||
END (strncmp)
|
||||
libc_hidden_builtin_def (strncmp)
|
||||
|
||||
@ -18,12 +18,10 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
/* int [r3] strnlen (char *s [r3], int size [r4]) */
|
||||
.machine power7
|
||||
ENTRY (BP_SYM (__strnlen))
|
||||
ENTRY (__strnlen)
|
||||
CALL_MCOUNT 2
|
||||
dcbt 0,r3
|
||||
clrrdi r8,r3,3
|
||||
@ -167,6 +165,6 @@ L(loop_small):
|
||||
cmpld r9,r7
|
||||
bge L(end_max)
|
||||
b L(loop_small)
|
||||
END (BP_SYM (__strnlen))
|
||||
weak_alias (BP_SYM (__strnlen), BP_SYM(strnlen))
|
||||
END (__strnlen)
|
||||
weak_alias (__strnlen, strnlen)
|
||||
libc_hidden_builtin_def (strnlen)
|
||||
|
||||
@ -23,8 +23,6 @@
|
||||
#else
|
||||
#include <jmpbuf-offsets.h>
|
||||
#endif
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
#ifndef __NO_VMX__
|
||||
.section ".toc","aw"
|
||||
@ -55,24 +53,23 @@ END (setjmp)
|
||||
that saves r2 since the call won't go via a plt call stub. See
|
||||
bugz #269. __GI__setjmp is used in csu/libc-start.c when
|
||||
HAVE_CLEANUP_JMP_BUF is defined. */
|
||||
ENTRY (BP_SYM (__GI__setjmp))
|
||||
ENTRY (__GI__setjmp)
|
||||
std r2,40(r1) /* Save the callers TOC in the save area. */
|
||||
cfi_endproc
|
||||
END_2 (BP_SYM (__GI__setjmp))
|
||||
END_2 (__GI__setjmp)
|
||||
/* Fall thru. */
|
||||
#endif
|
||||
|
||||
ENTRY (BP_SYM (_setjmp))
|
||||
ENTRY (_setjmp)
|
||||
CALL_MCOUNT 1
|
||||
li r4,0 /* Set second argument to 0. */
|
||||
b JUMPTARGET (GLUE(__sigsetjmp,_ent))
|
||||
END (BP_SYM (_setjmp))
|
||||
END (_setjmp)
|
||||
libc_hidden_def (_setjmp)
|
||||
|
||||
ENTRY (BP_SYM (__sigsetjmp))
|
||||
ENTRY (__sigsetjmp)
|
||||
CALL_MCOUNT 2
|
||||
JUMPTARGET(GLUE(__sigsetjmp,_ent)):
|
||||
CHECK_BOUNDS_BOTH_WIDE_LIT (r3, r8, r9, JB_SIZE)
|
||||
#ifdef PTR_MANGLE
|
||||
mr r5, r1
|
||||
PTR_MANGLE (r5, r6)
|
||||
@ -219,18 +216,18 @@ L(no_vmx):
|
||||
li r3,0
|
||||
blr
|
||||
#elif defined SHARED
|
||||
b JUMPTARGET (BP_SYM (__sigjmp_save))
|
||||
b JUMPTARGET (__sigjmp_save)
|
||||
#else
|
||||
mflr r0
|
||||
std r0,16(r1)
|
||||
stdu r1,-112(r1)
|
||||
cfi_adjust_cfa_offset(112)
|
||||
cfi_offset(lr,16)
|
||||
bl JUMPTARGET (BP_SYM (__sigjmp_save))
|
||||
bl JUMPTARGET (__sigjmp_save)
|
||||
nop
|
||||
ld r0,112+16(r1)
|
||||
addi r1,r1,112
|
||||
mtlr r0
|
||||
blr
|
||||
#endif
|
||||
END (BP_SYM (__sigsetjmp))
|
||||
END (__sigsetjmp)
|
||||
|
||||
@ -34,7 +34,6 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include "bp-sym.h"
|
||||
|
||||
/* These are the various addresses we require. */
|
||||
#ifdef PIC
|
||||
@ -46,7 +45,7 @@
|
||||
L(start_addresses):
|
||||
.quad 0 /* was _SDA_BASE_ but not in 64-bit ABI*/
|
||||
/* function descriptors so don't need JUMPTARGET */
|
||||
.quad BP_SYM(main)
|
||||
.quad main
|
||||
.quad __libc_csu_init
|
||||
.quad __libc_csu_fini
|
||||
|
||||
@ -71,7 +70,7 @@ ENTRY(_start)
|
||||
ld r8,.L01(r2)
|
||||
|
||||
/* and continue in libc-start, in glibc. */
|
||||
b JUMPTARGET(BP_SYM(__libc_start_main))
|
||||
b JUMPTARGET(__libc_start_main)
|
||||
/* The linker needs this nop to recognize that it's OK to call via a
|
||||
TOC adjusting stub. */
|
||||
nop
|
||||
|
||||
@ -17,37 +17,24 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
/* See strlen.s for comments on how the end-of-string testing works. */
|
||||
|
||||
/* char * [r3] stpcpy (char *dest [r3], const char *src [r4]) */
|
||||
|
||||
EALIGN (BP_SYM (__stpcpy), 4, 0)
|
||||
EALIGN (__stpcpy, 4, 0)
|
||||
CALL_MCOUNT 2
|
||||
|
||||
#define rTMP r0
|
||||
#define rRTN r3
|
||||
#if __BOUNDED_POINTERS__
|
||||
# define rDEST r4 /* pointer to previous word in dest */
|
||||
# define rSRC r5 /* pointer to previous word in src */
|
||||
# define rLOW r11
|
||||
# define rHIGH r12
|
||||
#else
|
||||
# define rDEST r3 /* pointer to previous word in dest */
|
||||
# define rSRC r4 /* pointer to previous word in src */
|
||||
#endif
|
||||
#define rDEST r3 /* pointer to previous word in dest */
|
||||
#define rSRC r4 /* pointer to previous word in src */
|
||||
#define rWORD r6 /* current word from src */
|
||||
#define rFEFE r7 /* 0xfefefeff */
|
||||
#define r7F7F r8 /* 0x7f7f7f7f */
|
||||
#define rNEG r9 /* ~(word in src | 0x7f7f7f7f) */
|
||||
#define rALT r10 /* alternate word from src */
|
||||
|
||||
CHECK_BOUNDS_LOW (rSRC, rLOW, rHIGH)
|
||||
CHECK_BOUNDS_LOW (rDEST, rLOW, rHIGH)
|
||||
STORE_RETURN_BOUNDS (rLOW, rHIGH)
|
||||
|
||||
or rTMP, rSRC, rDEST
|
||||
clrldi. rTMP, rTMP, 62
|
||||
addi rDEST, rDEST, -4
|
||||
@ -85,8 +72,6 @@ L(g1): rlwinm. rTMP, rALT, 8, 24, 31
|
||||
stbu rTMP, 1(rDEST)
|
||||
beqlr-
|
||||
stbu rALT, 1(rDEST)
|
||||
CHECK_BOUNDS_HIGH (rDEST, rHIGH, twlgt)
|
||||
STORE_RETURN_VALUE (rDEST)
|
||||
blr
|
||||
|
||||
/* Oh well. In this case, we just do a byte-by-byte copy. */
|
||||
@ -108,15 +93,11 @@ L(u0): lbzu rALT, 1(rSRC)
|
||||
cmpwi rWORD, 0
|
||||
bne+ L(u0)
|
||||
L(u2): stbu rWORD, 1(rDEST)
|
||||
CHECK_BOUNDS_HIGH (rDEST, rHIGH, twlgt)
|
||||
STORE_RETURN_VALUE (rDEST)
|
||||
blr
|
||||
L(u1): stbu rALT, 1(rDEST)
|
||||
CHECK_BOUNDS_HIGH (rDEST, rHIGH, twlgt)
|
||||
STORE_RETURN_VALUE (rDEST)
|
||||
blr
|
||||
END (BP_SYM (__stpcpy))
|
||||
END (__stpcpy)
|
||||
|
||||
weak_alias (BP_SYM (__stpcpy), BP_SYM (stpcpy))
|
||||
weak_alias (__stpcpy, stpcpy)
|
||||
libc_hidden_def (__stpcpy)
|
||||
libc_hidden_builtin_def (stpcpy)
|
||||
|
||||
@ -17,32 +17,19 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
/* See strlen.s for comments on how this works. */
|
||||
|
||||
/* char * [r3] strchr (const char *s [r3] , int c [r4] ) */
|
||||
|
||||
ENTRY (BP_SYM (strchr))
|
||||
ENTRY (strchr)
|
||||
CALL_MCOUNT 2
|
||||
|
||||
#define rTMP1 r0
|
||||
#define rRTN r3 /* outgoing result */
|
||||
/* Note: The Bounded pointer support in this code is broken. This code
|
||||
was inherited from PPC32 and that support was never completed.
|
||||
Currently PPC gcc does not support -fbounds-check or -fbounded-pointers.
|
||||
These artifacts are left in the code as a reminder in case we need
|
||||
bounded pointer support in the future. */
|
||||
#if __BOUNDED_POINTERS__
|
||||
# define rSTR r4
|
||||
# define rCHR r5 /* byte we're looking for, spread over the whole word */
|
||||
# define rWORD r8 /* the current word */
|
||||
#else
|
||||
# define rSTR r8 /* current word pointer */
|
||||
# define rCHR r4 /* byte we're looking for, spread over the whole word */
|
||||
# define rWORD r5 /* the current word */
|
||||
#endif
|
||||
#define rSTR r8 /* current word pointer */
|
||||
#define rCHR r4 /* byte we're looking for, spread over the whole word */
|
||||
#define rWORD r5 /* the current word */
|
||||
#define rCLZB rCHR /* leading zero byte count */
|
||||
#define rFEFE r6 /* constant 0xfefefefefefefeff (-0x0101010101010101) */
|
||||
#define r7F7F r7 /* constant 0x7f7f7f7f7f7f7f7f */
|
||||
@ -51,9 +38,6 @@ ENTRY (BP_SYM (strchr))
|
||||
#define rMASK r11 /* mask with the bits to ignore set to 0 */
|
||||
#define rTMP3 r12
|
||||
|
||||
CHECK_BOUNDS_LOW (rSTR, rTMP1, rTMP2)
|
||||
STORE_RETURN_BOUNDS (rTMP1, rTMP2)
|
||||
|
||||
dcbt 0,rRTN
|
||||
rlwimi rCHR, rCHR, 8, 16, 23
|
||||
li rMASK, -1
|
||||
@ -101,7 +85,6 @@ L(loopentry):
|
||||
L(missed):
|
||||
and. rTMP1, rTMP1, rTMP2
|
||||
li rRTN, 0
|
||||
STORE_RETURN_VALUE (rSTR)
|
||||
beqlr
|
||||
/* It did happen. Decide which one was first...
|
||||
I'm not sure if this is actually faster than a sequence of
|
||||
@ -119,8 +102,6 @@ L(missed):
|
||||
cntlzd rCLZB, rTMP2
|
||||
srdi rCLZB, rCLZB, 3
|
||||
add rRTN, rSTR, rCLZB
|
||||
CHECK_BOUNDS_HIGH_RTN (rSTR, rTMP2, tdlge)
|
||||
STORE_RETURN_VALUE (rSTR)
|
||||
blr
|
||||
|
||||
L(foundit):
|
||||
@ -132,10 +113,8 @@ L(foundit):
|
||||
subi rSTR, rSTR, 8
|
||||
srdi rCLZB, rCLZB, 3
|
||||
add rRTN, rSTR, rCLZB
|
||||
CHECK_BOUNDS_HIGH_RTN (rSTR, rTMP2, tdlge)
|
||||
STORE_RETURN_VALUE (rSTR)
|
||||
blr
|
||||
END (BP_SYM (strchr))
|
||||
END (strchr)
|
||||
|
||||
weak_alias (BP_SYM (strchr), BP_SYM (index))
|
||||
weak_alias (strchr, index)
|
||||
libc_hidden_builtin_def (strchr)
|
||||
|
||||
@ -17,29 +17,18 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
/* See strlen.s for comments on how the end-of-string testing works. */
|
||||
|
||||
/* int [r3] strcmp (const char *s1 [r3], const char *s2 [r4]) */
|
||||
|
||||
EALIGN (BP_SYM(strcmp), 4, 0)
|
||||
EALIGN (strcmp, 4, 0)
|
||||
CALL_MCOUNT 2
|
||||
|
||||
#define rTMP r0
|
||||
#define rRTN r3
|
||||
#define rSTR1 r3 /* first string arg */
|
||||
#define rSTR2 r4 /* second string arg */
|
||||
/* Note: The Bounded pointer support in this code is broken. This code
|
||||
was inherited from PPC32 and that support was never completed.
|
||||
Current PPC gcc does not support -fbounds-check or -fbounded-pointers.
|
||||
These artifacts are left in the code as a reminder in case we need
|
||||
bounded pointer support in the future. */
|
||||
#if __BOUNDED_POINTERS__
|
||||
# define rHIGH1 r11
|
||||
# define rHIGH2 r12
|
||||
#endif
|
||||
#define rWORD1 r5 /* current word in s1 */
|
||||
#define rWORD2 r6 /* current word in s2 */
|
||||
#define rFEFE r7 /* constant 0xfefefefefefefeff (-0x0101010101010101) */
|
||||
@ -47,9 +36,6 @@ EALIGN (BP_SYM(strcmp), 4, 0)
|
||||
#define rNEG r9 /* ~(word in s1 | 0x7f7f7f7f7f7f7f7f) */
|
||||
#define rBITDIF r10 /* bits that differ in s1 & s2 words */
|
||||
|
||||
CHECK_BOUNDS_LOW (rSTR1, rTMP, rHIGH1)
|
||||
CHECK_BOUNDS_LOW (rSTR2, rTMP, rHIGH2)
|
||||
|
||||
dcbt 0,rSTR1
|
||||
or rTMP, rSTR2, rSTR1
|
||||
dcbt 0,rSTR2
|
||||
@ -98,7 +84,6 @@ L(endstring):
|
||||
blr
|
||||
L(equal):
|
||||
li rRTN, 0
|
||||
/* GKM FIXME: check high bounds. */
|
||||
blr
|
||||
|
||||
L(different):
|
||||
@ -113,7 +98,6 @@ L(highbit):
|
||||
srdi rWORD2, rWORD2, 56
|
||||
srdi rWORD1, rWORD1, 56
|
||||
sub rRTN, rWORD1, rWORD2
|
||||
/* GKM FIXME: check high bounds. */
|
||||
blr
|
||||
|
||||
|
||||
@ -137,11 +121,9 @@ L(u1): cmpwi cr1, rWORD1, 0
|
||||
cmpd rWORD1, rWORD2
|
||||
bne+ cr1, L(u0)
|
||||
L(u3): sub rRTN, rWORD1, rWORD2
|
||||
/* GKM FIXME: check high bounds. */
|
||||
blr
|
||||
L(u4): lbz rWORD1, -1(rSTR1)
|
||||
sub rRTN, rWORD1, rWORD2
|
||||
/* GKM FIXME: check high bounds. */
|
||||
blr
|
||||
END (BP_SYM (strcmp))
|
||||
END (strcmp)
|
||||
libc_hidden_builtin_def (strcmp)
|
||||
|
||||
@ -17,50 +17,28 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
/* See strlen.s for comments on how the end-of-string testing works. */
|
||||
|
||||
/* char * [r3] strcpy (char *dest [r3], const char *src [r4]) */
|
||||
|
||||
EALIGN (BP_SYM (strcpy), 4, 0)
|
||||
EALIGN (strcpy, 4, 0)
|
||||
CALL_MCOUNT 2
|
||||
|
||||
#define rTMP r0
|
||||
#define rRTN r3 /* incoming DEST arg preserved as result */
|
||||
/* Note. The Bounded pointer support in this code is broken. This code
|
||||
was inherited from PPC32 and that support was never completed.
|
||||
Current PPC gcc does not support -fbounds-check or -fbounded-pointers.
|
||||
These artifacts are left in the code as a reminder in case we need
|
||||
bounded pointer support in the future. */
|
||||
#if __BOUNDED_POINTERS__
|
||||
# define rDEST r4 /* pointer to previous word in dest */
|
||||
# define rSRC r5 /* pointer to previous word in src */
|
||||
# define rLOW r11
|
||||
# define rHIGH r12
|
||||
#else
|
||||
# define rSRC r4 /* pointer to previous word in src */
|
||||
# define rDEST r5 /* pointer to previous word in dest */
|
||||
#endif
|
||||
#define rSRC r4 /* pointer to previous word in src */
|
||||
#define rDEST r5 /* pointer to previous word in dest */
|
||||
#define rWORD r6 /* current word from src */
|
||||
#define rFEFE r7 /* constant 0xfefefefefefefeff (-0x0101010101010101) */
|
||||
#define r7F7F r8 /* constant 0x7f7f7f7f7f7f7f7f */
|
||||
#define rNEG r9 /* ~(word in s1 | 0x7f7f7f7f7f7f7f7f) */
|
||||
#define rALT r10 /* alternate word from src */
|
||||
|
||||
CHECK_BOUNDS_LOW (rSRC, rLOW, rHIGH)
|
||||
CHECK_BOUNDS_LOW (rDEST, rLOW, rHIGH)
|
||||
STORE_RETURN_BOUNDS (rLOW, rHIGH)
|
||||
|
||||
dcbt 0,rSRC
|
||||
or rTMP, rSRC, rRTN
|
||||
clrldi. rTMP, rTMP, 61
|
||||
#if __BOUNDED_POINTERS__
|
||||
addi rDEST, rDEST, -8
|
||||
#else
|
||||
addi rDEST, rRTN, -8
|
||||
#endif
|
||||
dcbtst 0,rRTN
|
||||
bne L(unaligned)
|
||||
|
||||
@ -112,7 +90,6 @@ L(g1):
|
||||
stb rTMP, 14(rDEST)
|
||||
beqlr-
|
||||
stb rALT, 15(rDEST)
|
||||
/* GKM FIXME: check high bound. */
|
||||
blr
|
||||
|
||||
/* Oh well. In this case, we just do a byte-by-byte copy. */
|
||||
@ -134,11 +111,9 @@ L(u0): lbzu rALT, 1(rSRC)
|
||||
cmpwi rWORD, 0
|
||||
bne+ L(u0)
|
||||
L(u2): stb rWORD, 1(rDEST)
|
||||
/* GKM FIXME: check high bound. */
|
||||
blr
|
||||
L(u1): stb rALT, 1(rDEST)
|
||||
/* GKM FIXME: check high bound. */
|
||||
blr
|
||||
|
||||
END (BP_SYM (strcpy))
|
||||
END (strcpy)
|
||||
libc_hidden_builtin_def (strcpy)
|
||||
|
||||
@ -17,8 +17,6 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
/* The algorithm here uses the following techniques:
|
||||
|
||||
@ -77,7 +75,7 @@
|
||||
|
||||
/* int [r3] strlen (char *s [r3]) */
|
||||
|
||||
ENTRY (BP_SYM (strlen))
|
||||
ENTRY (strlen)
|
||||
CALL_MCOUNT 1
|
||||
|
||||
#define rTMP1 r0
|
||||
@ -94,13 +92,6 @@ ENTRY (BP_SYM (strlen))
|
||||
#define rTMP3 r11
|
||||
#define rTMP4 r12
|
||||
|
||||
/* Note: The Bounded pointer support in this code is broken. This code
|
||||
was inherited from PPC32 and that support was never completed.
|
||||
Current PPC gcc does not support -fbounds-check or -fbounded-pointers.
|
||||
These artifacts are left in the code as a reminder in case we need
|
||||
bounded pointer support in the future. */
|
||||
CHECK_BOUNDS_LOW (rRTN, rTMP1, rTMP2)
|
||||
|
||||
dcbt 0,rRTN
|
||||
clrrdi rSTR, rRTN, 3
|
||||
lis r7F7F, 0x7f7f
|
||||
@ -168,7 +159,6 @@ L(done0):
|
||||
subf rTMP1, rRTN, rSTR
|
||||
srdi rTMP3, rTMP3, 3
|
||||
add rRTN, rTMP1, rTMP3
|
||||
/* GKM FIXME: check high bound. */
|
||||
blr
|
||||
END (BP_SYM (strlen))
|
||||
END (strlen)
|
||||
libc_hidden_builtin_def (strlen)
|
||||
|
||||
@ -17,14 +17,12 @@
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
/* See strlen.s for comments on how the end-of-string testing works. */
|
||||
|
||||
/* int [r3] strncmp (const char *s1 [r3], const char *s2 [r4], size_t size [r5]) */
|
||||
|
||||
EALIGN (BP_SYM(strncmp), 4, 0)
|
||||
EALIGN (strncmp, 4, 0)
|
||||
CALL_MCOUNT 3
|
||||
|
||||
#define rTMP r0
|
||||
@ -32,9 +30,6 @@ EALIGN (BP_SYM(strncmp), 4, 0)
|
||||
#define rSTR1 r3 /* first string arg */
|
||||
#define rSTR2 r4 /* second string arg */
|
||||
#define rN r5 /* max string length */
|
||||
/* Note: The Bounded pointer support in this code is broken. This code
|
||||
was inherited from PPC32 and that support was never completed.
|
||||
Current PPC gcc does not support -fbounds-check or -fbounded-pointers. */
|
||||
#define rWORD1 r6 /* current word in s1 */
|
||||
#define rWORD2 r7 /* current word in s2 */
|
||||
#define rFEFE r8 /* constant 0xfefefefefefefeff (-0x0101010101010101) */
|
||||
@ -160,5 +155,5 @@ L(u1):
|
||||
L(u2): lbzu rWORD1, -1(rSTR1)
|
||||
L(u3): sub rRTN, rWORD1, rWORD2
|
||||
blr
|
||||
END (BP_SYM (strncmp))
|
||||
END (strncmp)
|
||||
libc_hidden_builtin_def (strncmp)
|
||||
|
||||
@ -19,17 +19,14 @@
|
||||
#include <sysdep.h>
|
||||
#define _ERRNO_H 1
|
||||
#include <bits/errno.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
.comm __curbrk,8,8
|
||||
.section ".toc","aw"
|
||||
.LC__curbrk:
|
||||
.tc __curbrk[TC],__curbrk
|
||||
.section ".text"
|
||||
ENTRY (BP_SYM (__brk))
|
||||
ENTRY (__brk)
|
||||
CALL_MCOUNT 1
|
||||
DISCARD_BOUNDS (r3) /* the bounds are meaningless, so toss 'em. */
|
||||
|
||||
std r3,48(r1)
|
||||
DO_CALL(SYS_ify(brk))
|
||||
@ -41,6 +38,6 @@ ENTRY (BP_SYM (__brk))
|
||||
blelr+
|
||||
li r3,ENOMEM
|
||||
TAIL_CALL_SYSCALL_ERROR
|
||||
END (BP_SYM (__brk))
|
||||
END (__brk)
|
||||
|
||||
weak_alias (BP_SYM (__brk), BP_SYM (brk))
|
||||
weak_alias (__brk, brk)
|
||||
|
||||
@ -19,8 +19,6 @@
|
||||
#include <sysdep.h>
|
||||
#define _ERRNO_H 1
|
||||
#include <bits/errno.h>
|
||||
#include <bp-sym.h>
|
||||
#include <bp-asm.h>
|
||||
|
||||
#define CLONE_VM 0x00000100
|
||||
#define CLONE_THREAD 0x00010000
|
||||
@ -33,11 +31,8 @@
|
||||
int flags [r5], void *arg [r6], void *parent_tid [r7],
|
||||
void *tls [r8], void *child_tid [r9]); */
|
||||
|
||||
ENTRY (BP_SYM (__clone))
|
||||
ENTRY (__clone)
|
||||
CALL_MCOUNT 7
|
||||
/* GKM FIXME: add bounds checks, where sensible. */
|
||||
DISCARD_BOUNDS (r4)
|
||||
DISCARD_BOUNDS (r6)
|
||||
|
||||
/* Check for child_stack == NULL || fn == NULL. */
|
||||
cmpdi cr0,r4,0
|
||||
@ -144,6 +139,6 @@ L(parent):
|
||||
cfi_restore(r31)
|
||||
PSEUDO_RET
|
||||
|
||||
END (BP_SYM (__clone))
|
||||
END (__clone)
|
||||
|
||||
weak_alias (BP_SYM (__clone), BP_SYM (clone))
|
||||
weak_alias (__clone, clone)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user