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b7fc4a07f2
The CET is only supported for x86_64 and there is no plan to add kernel support for i386. Move the Makefile rules and files from the generic x86 folder to x86_64 one. Checked on x86_64-linux-gnu and i686-linux-gnu.
36 lines
1.1 KiB
ArmAsm
36 lines
1.1 KiB
ArmAsm
/* Legacy shadow stack code.
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Copyright (C) 2023-2024 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, see
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<https://www.gnu.org/licenses/>. */
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.text
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.globl legacy
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.type legacy, @function
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legacy:
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.cfi_startproc
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#ifdef __x86_64__
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movq (%rsp), %rax
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addq $8, %rsp
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jmp *%rax
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#else
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movl (%esp), %eax
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addl $4, %esp
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jmp *%eax
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#endif
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.cfi_endproc
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.size legacy, .-legacy
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.section .note.GNU-stack,"",@progbits
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