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TheRock/compiler/amd-llvm/compiler-rt/lib/tsan/rtl/tsan_rtl_amd64.S
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

213 lines
5.4 KiB
ArmAsm
Raw Blame History

// The content of this file is x86_64-only:
#if defined(__x86_64__)
#include "sanitizer_common/sanitizer_asm.h"
.att_syntax
#if !defined(__APPLE__)
.section .text
#else
.section __TEXT,__text
#endif
ASM_HIDDEN(__tsan_setjmp)
#if defined(__NetBSD__)
.comm _ZN14__interception15real___setjmp14E,8,8
#elif !defined(__APPLE__)
.comm _ZN14__interception11real_setjmpE,8,8
#endif
#if defined(__NetBSD__)
.globl ASM_SYMBOL_INTERCEPTOR(__setjmp14)
ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(__setjmp14))
ASM_SYMBOL_INTERCEPTOR(__setjmp14):
#else
.globl ASM_SYMBOL_INTERCEPTOR(setjmp)
ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(setjmp))
ASM_SYMBOL_INTERCEPTOR(setjmp):
#endif
CFI_STARTPROC
_CET_ENDBR
// save env parameter
push %rdi
CFI_ADJUST_CFA_OFFSET(8)
CFI_REL_OFFSET(%rdi, 0)
// obtain SP, store in %rdi, first argument to `void __tsan_setjmp(uptr sp)`
#if defined(__FreeBSD__) || defined(__NetBSD__)
lea 8(%rsp), %rdi
#elif defined(__linux__) || defined(__APPLE__)
lea 16(%rsp), %rdi
#else
# error "Unknown platform"
#endif
// call tsan interceptor
call ASM_SYMBOL(__tsan_setjmp)
// restore env parameter
pop %rdi
CFI_ADJUST_CFA_OFFSET(-8)
CFI_RESTORE(%rdi)
// tail jump to libc setjmp
movl $0, %eax
#if defined(__NetBSD__)
movq _ZN14__interception15real___setjmp14E@GOTPCREL(%rip), %rdx
jmp *(%rdx)
#elif !defined(__APPLE__)
movq _ZN14__interception11real_setjmpE@GOTPCREL(%rip), %rdx
jmp *(%rdx)
#else
jmp ASM_SYMBOL(setjmp)
#endif
CFI_ENDPROC
#if defined(__NetBSD__)
ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(__setjmp14))
#else
ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(setjmp))
#endif
.comm _ZN14__interception12real__setjmpE,8,8
.globl ASM_SYMBOL_INTERCEPTOR(_setjmp)
ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(_setjmp))
ASM_SYMBOL_INTERCEPTOR(_setjmp):
CFI_STARTPROC
_CET_ENDBR
// save env parameter
push %rdi
CFI_ADJUST_CFA_OFFSET(8)
CFI_REL_OFFSET(%rdi, 0)
// obtain SP, store in %rdi, first argument to `void __tsan_setjmp(uptr sp)`
#if defined(__FreeBSD__) || defined(__NetBSD__)
lea 8(%rsp), %rdi
#elif defined(__linux__) || defined(__APPLE__)
lea 16(%rsp), %rdi
#else
# error "Unknown platform"
#endif
// call tsan interceptor
call ASM_SYMBOL(__tsan_setjmp)
// restore env parameter
pop %rdi
CFI_ADJUST_CFA_OFFSET(-8)
CFI_RESTORE(%rdi)
// tail jump to libc setjmp
movl $0, %eax
#if !defined(__APPLE__)
movq _ZN14__interception12real__setjmpE@GOTPCREL(%rip), %rdx
jmp *(%rdx)
#else
jmp ASM_SYMBOL(_setjmp)
#endif
CFI_ENDPROC
ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(_setjmp))
#if defined(__NetBSD__)
.comm _ZN14__interception18real___sigsetjmp14E,8,8
.globl ASM_SYMBOL_INTERCEPTOR(__sigsetjmp14)
ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(__sigsetjmp14))
ASM_SYMBOL_INTERCEPTOR(__sigsetjmp14):
#else
.comm _ZN14__interception14real_sigsetjmpE,8,8
.globl ASM_SYMBOL_INTERCEPTOR(sigsetjmp)
ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(sigsetjmp))
ASM_SYMBOL_INTERCEPTOR(sigsetjmp):
#endif
CFI_STARTPROC
_CET_ENDBR
// save env parameter
push %rdi
CFI_ADJUST_CFA_OFFSET(8)
CFI_REL_OFFSET(%rdi, 0)
// save savesigs parameter
push %rsi
CFI_ADJUST_CFA_OFFSET(8)
CFI_REL_OFFSET(%rsi, 0)
// align stack frame
sub $8, %rsp
CFI_ADJUST_CFA_OFFSET(8)
// obtain SP, store in %rdi, first argument to `void __tsan_setjmp(uptr sp)`
#if defined(__FreeBSD__) || defined(__NetBSD__)
lea 24(%rsp), %rdi
#elif defined(__linux__) || defined(__APPLE__)
lea 32(%rsp), %rdi
#else
# error "Unknown platform"
#endif
// call tsan interceptor
call ASM_SYMBOL(__tsan_setjmp)
// unalign stack frame
add $8, %rsp
CFI_ADJUST_CFA_OFFSET(-8)
// restore savesigs parameter
pop %rsi
CFI_ADJUST_CFA_OFFSET(-8)
CFI_RESTORE(%rsi)
// restore env parameter
pop %rdi
CFI_ADJUST_CFA_OFFSET(-8)
CFI_RESTORE(%rdi)
// tail jump to libc sigsetjmp
movl $0, %eax
#if defined(__NetBSD__)
movq _ZN14__interception18real___sigsetjmp14E@GOTPCREL(%rip), %rdx
jmp *(%rdx)
#elif !defined(__APPLE__)
movq _ZN14__interception14real_sigsetjmpE@GOTPCREL(%rip), %rdx
jmp *(%rdx)
#else
jmp ASM_SYMBOL(sigsetjmp)
#endif
CFI_ENDPROC
#if defined(__NetBSD__)
ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(__sigsetjmp14))
#else
ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(sigsetjmp))
#endif
#if !defined(__APPLE__) && !defined(__NetBSD__)
.comm _ZN14__interception16real___sigsetjmpE,8,8
.globl ASM_SYMBOL_INTERCEPTOR(__sigsetjmp)
ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(__sigsetjmp))
ASM_SYMBOL_INTERCEPTOR(__sigsetjmp):
CFI_STARTPROC
_CET_ENDBR
// save env parameter
push %rdi
CFI_ADJUST_CFA_OFFSET(8)
CFI_REL_OFFSET(%rdi, 0)
// save savesigs parameter
push %rsi
CFI_ADJUST_CFA_OFFSET(8)
CFI_REL_OFFSET(%rsi, 0)
// align stack frame
sub $8, %rsp
CFI_ADJUST_CFA_OFFSET(8)
// obtain SP, store in %rdi, first argument to `void __tsan_setjmp(uptr sp)`
#if defined(__FreeBSD__)
lea 24(%rsp), %rdi
#else
lea 32(%rsp), %rdi
#endif
// call tsan interceptor
call ASM_SYMBOL(__tsan_setjmp)
// unalign stack frame
add $8, %rsp
CFI_ADJUST_CFA_OFFSET(-8)
// restore savesigs parameter
pop %rsi
CFI_ADJUST_CFA_OFFSET(-8)
CFI_RESTORE(%rsi)
// restore env parameter
pop %rdi
CFI_ADJUST_CFA_OFFSET(-8)
CFI_RESTORE(%rdi)
// tail jump to libc sigsetjmp
movl $0, %eax
movq _ZN14__interception16real___sigsetjmpE@GOTPCREL(%rip), %rdx
jmp *(%rdx)
CFI_ENDPROC
ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(__sigsetjmp))
#endif // !defined(__APPLE__) && !defined(__NetBSD__)
NO_EXEC_STACK_DIRECTIVE
#endif
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