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80a98966c8
The ____longjmp_chk implementation didn't load from memory the right way.
57 lines
1.6 KiB
ArmAsm
57 lines
1.6 KiB
ArmAsm
/* Copyright (C) 2009 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., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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#include <rtld-global-offsets.h>
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.section .rodata.str1.1,"aMS",@progbits,1
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.LC0:
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.string "longjmp causes uninitialized stack frame"
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.text
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#define __longjmp ____longjmp_chk
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#ifdef PIC
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# ifdef HAVE_ASM_PPC_REL16
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# define LOAD_ARG \
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bcl 20,31,1f; \
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1: mflr r3; \
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addis r3,r3,_GLOBAL_OFFSET_TABLE_-1b@ha; \
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addi r3,r3,_GLOBAL_OFFSET_TABLE_-1b@l; \
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lwz r3,.LC0@got(r3)
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# else
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# define LOAD_ARG \
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bl _GLOBAL_OFFSET_TABLE_-4@local; \
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mflr r3; \
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lwz r3,.LC0@got(r3)
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# endif
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#else
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# define LOAD_ARG \
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lis r3,.LC0@ha; \
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la r3,.LC0@l(r3)
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#endif
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#define CHECK_SP(reg) \
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cmplw reg, r1; \
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bge+ .Lok; \
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LOAD_ARG; \
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bl HIDDEN_JUMPTARGET (__fortify_fail); \
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.Lok:
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#include <__longjmp-common.S>
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