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TheRock/compiler/amd-llvm/compiler-rt/lib/tsan/rtl/tsan_rtl_aarch64.S
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226 lines
5.1 KiB
ArmAsm

// The content of this file is AArch64-only:
#if defined(__aarch64__)
#include "sanitizer_common/sanitizer_asm.h"
#include "builtins/assembly.h"
TEXT_SECTION
#if defined(__APPLE__)
.align 3
#endif
ASM_HIDDEN(__tsan_setjmp)
.comm _ZN14__interception11real_setjmpE,8,8
.globl ASM_SYMBOL_INTERCEPTOR(setjmp)
ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(setjmp))
ASM_SYMBOL_INTERCEPTOR(setjmp):
CFI_STARTPROC
BTI_C
// Save frame/link register
stp x29, x30, [sp, -32]!
CFI_DEF_CFA_OFFSET (32)
CFI_OFFSET (29, -32)
CFI_OFFSET (30, -24)
// Adjust the SP for previous frame
add x29, sp, 0
CFI_DEF_CFA_REGISTER (29)
// Save env parameter
str x0, [sp, 16]
CFI_OFFSET (0, -16)
// Obtain SP, first argument to `void __tsan_setjmp(uptr sp)`
add x0, x29, 32
// call tsan interceptor
bl ASM_SYMBOL(__tsan_setjmp)
// Restore env parameter
ldr x0, [sp, 16]
CFI_RESTORE (0)
// Restore frame/link register
ldp x29, x30, [sp], 32
CFI_RESTORE (29)
CFI_RESTORE (30)
CFI_DEF_CFA (31, 0)
// tail jump to libc setjmp
#if !defined(__APPLE__)
adrp x1, :got:_ZN14__interception11real_setjmpE
ldr x1, [x1, #:got_lo12:_ZN14__interception11real_setjmpE]
ldr x1, [x1]
#else
adrp x1, _setjmp@GOTPAGE
ldr x1, [x1, _setjmp@GOTPAGEOFF]
#endif
br x1
CFI_ENDPROC
ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(setjmp))
.comm _ZN14__interception12real__setjmpE,8,8
.globl ASM_SYMBOL_INTERCEPTOR(_setjmp)
ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(_setjmp))
ASM_SYMBOL_INTERCEPTOR(_setjmp):
CFI_STARTPROC
BTI_C
// Save frame/link register
stp x29, x30, [sp, -32]!
CFI_DEF_CFA_OFFSET (32)
CFI_OFFSET (29, -32)
CFI_OFFSET (30, -24)
// Adjust the SP for previous frame
add x29, sp, 0
CFI_DEF_CFA_REGISTER (29)
// Save env parameter
str x0, [sp, 16]
CFI_OFFSET (0, -16)
// Obtain SP, first argument to `void __tsan_setjmp(uptr sp)`
add x0, x29, 32
// call tsan interceptor
bl ASM_SYMBOL(__tsan_setjmp)
// Restore env parameter
ldr x0, [sp, 16]
CFI_RESTORE (0)
// Restore frame/link register
ldp x29, x30, [sp], 32
CFI_RESTORE (29)
CFI_RESTORE (30)
CFI_DEF_CFA (31, 0)
// tail jump to libc setjmp
#if !defined(__APPLE__)
adrp x1, :got:_ZN14__interception12real__setjmpE
ldr x1, [x1, #:got_lo12:_ZN14__interception12real__setjmpE]
ldr x1, [x1]
#else
adrp x1, __setjmp@GOTPAGE
ldr x1, [x1, __setjmp@GOTPAGEOFF]
#endif
br x1
CFI_ENDPROC
ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(_setjmp))
.comm _ZN14__interception14real_sigsetjmpE,8,8
.globl ASM_SYMBOL_INTERCEPTOR(sigsetjmp)
ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(sigsetjmp))
ASM_SYMBOL_INTERCEPTOR(sigsetjmp):
CFI_STARTPROC
BTI_C
// Save frame/link register
stp x29, x30, [sp, -32]!
CFI_DEF_CFA_OFFSET (32)
CFI_OFFSET (29, -32)
CFI_OFFSET (30, -24)
// Adjust the SP for previous frame
add x29, sp, 0
CFI_DEF_CFA_REGISTER (29)
// Save env and savesigs parameter
stp x0, x1, [sp, 16]
CFI_OFFSET (0, -16)
CFI_OFFSET (1, -8)
// Obtain SP, first argument to `void __tsan_setjmp(uptr sp)`
add x0, x29, 32
// call tsan interceptor
bl ASM_SYMBOL(__tsan_setjmp)
// Restore env and savesigs parameter
ldp x0, x1, [sp, 16]
CFI_RESTORE (0)
CFI_RESTORE (1)
// Restore frame/link register
ldp x29, x30, [sp], 32
CFI_RESTORE (29)
CFI_RESTORE (30)
CFI_DEF_CFA (31, 0)
// tail jump to libc sigsetjmp
#if !defined(__APPLE__)
adrp x2, :got:_ZN14__interception14real_sigsetjmpE
ldr x2, [x2, #:got_lo12:_ZN14__interception14real_sigsetjmpE]
ldr x2, [x2]
#else
adrp x2, _sigsetjmp@GOTPAGE
ldr x2, [x2, _sigsetjmp@GOTPAGEOFF]
#endif
br x2
CFI_ENDPROC
ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(sigsetjmp))
#if !defined(__APPLE__)
.comm _ZN14__interception16real___sigsetjmpE,8,8
.globl ASM_SYMBOL_INTERCEPTOR(__sigsetjmp)
ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(__sigsetjmp))
ASM_SYMBOL_INTERCEPTOR(__sigsetjmp):
CFI_STARTPROC
BTI_C
// Save frame/link register
stp x29, x30, [sp, -32]!
CFI_DEF_CFA_OFFSET (32)
CFI_OFFSET (29, -32)
CFI_OFFSET (30, -24)
// Adjust the SP for previous frame
add x29, sp, 0
CFI_DEF_CFA_REGISTER (29)
// Save env and savesigs parameter
stp x0, x1, [sp, 16]
CFI_OFFSET (0, -16)
CFI_OFFSET (1, -8)
// Obtain SP, first argument to `void __tsan_setjmp(uptr sp)`
add x0, x29, 32
// call tsan interceptor
bl ASM_SYMBOL(__tsan_setjmp)
// Restore env and savesigs parameter
ldp x0, x1, [sp, 16]
CFI_RESTORE (0)
CFI_RESTORE (1)
// Restore frame/link register
ldp x29, x30, [sp], 32
CFI_RESTORE (29)
CFI_RESTORE (30)
CFI_DEF_CFA (31, 0)
// tail jump to libc __sigsetjmp
#if !defined(__APPLE__)
adrp x2, :got:_ZN14__interception16real___sigsetjmpE
ldr x2, [x2, #:got_lo12:_ZN14__interception16real___sigsetjmpE]
ldr x2, [x2]
#else
adrp x2, ASM_SYMBOL(__sigsetjmp)@page
add x2, x2, ASM_SYMBOL(__sigsetjmp)@pageoff
#endif
br x2
CFI_ENDPROC
ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(__sigsetjmp))
#endif
NO_EXEC_STACK_DIRECTIVE
GNU_PROPERTY_BTI_PAC_GCS
#endif