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.section .text
.globl __tsan_trace_switch_thunk
__tsan_trace_switch_thunk:
.cfi_startproc
# Save scratch registers.
push %rax
.cfi_adjust_cfa_offset 8
.cfi_rel_offset %rax, 0
push %rcx
.cfi_adjust_cfa_offset 8
.cfi_rel_offset %rcx, 0
push %rdx
.cfi_adjust_cfa_offset 8
.cfi_rel_offset %rdx, 0
push %rsi
.cfi_adjust_cfa_offset 8
.cfi_rel_offset %rsi, 0
push %rdi
.cfi_adjust_cfa_offset 8
.cfi_rel_offset %rdi, 0
push %r8
.cfi_adjust_cfa_offset 8
.cfi_rel_offset %r8, 0
push %r9
.cfi_adjust_cfa_offset 8
.cfi_rel_offset %r9, 0
push %r10
.cfi_adjust_cfa_offset 8
.cfi_rel_offset %r10, 0
push %r11
.cfi_adjust_cfa_offset 8
.cfi_rel_offset %r11, 0
# Align stack frame.
push %rbx # non-scratch
.cfi_adjust_cfa_offset 8
.cfi_rel_offset %rbx, 0
mov %rsp, %rbx # save current rsp
.cfi_def_cfa_register %rbx
shr $4, %rsp # clear 4 lsb, align to 16
shl $4, %rsp
call __tsan_trace_switch
# Unalign stack frame back.
mov %rbx, %rsp # restore the original rsp
.cfi_def_cfa_register %rsp
pop %rbx
.cfi_adjust_cfa_offset -8
# Restore scratch registers.
pop %r11
.cfi_adjust_cfa_offset -8
pop %r10
.cfi_adjust_cfa_offset -8
pop %r9
.cfi_adjust_cfa_offset -8
pop %r8
.cfi_adjust_cfa_offset -8
pop %rdi
.cfi_adjust_cfa_offset -8
pop %rsi
.cfi_adjust_cfa_offset -8
pop %rdx
.cfi_adjust_cfa_offset -8
pop %rcx
.cfi_adjust_cfa_offset -8
pop %rax
.cfi_adjust_cfa_offset -8
.cfi_restore %rax
.cfi_restore %rbx
.cfi_restore %rcx
.cfi_restore %rdx
.cfi_restore %rsi
.cfi_restore %rdi
.cfi_restore %r8
.cfi_restore %r9
.cfi_restore %r10
.cfi_restore %r11
ret
.cfi_endproc
.globl __tsan_report_race_thunk
__tsan_report_race_thunk:
.cfi_startproc
# Save scratch registers.
push %rax
.cfi_adjust_cfa_offset 8
.cfi_rel_offset %rax, 0
push %rcx
.cfi_adjust_cfa_offset 8
.cfi_rel_offset %rcx, 0
push %rdx
.cfi_adjust_cfa_offset 8
.cfi_rel_offset %rdx, 0
push %rsi
.cfi_adjust_cfa_offset 8
.cfi_rel_offset %rsi, 0
push %rdi
.cfi_adjust_cfa_offset 8
.cfi_rel_offset %rdi, 0
push %r8
.cfi_adjust_cfa_offset 8
.cfi_rel_offset %r8, 0
push %r9
.cfi_adjust_cfa_offset 8
.cfi_rel_offset %r9, 0
push %r10
.cfi_adjust_cfa_offset 8
.cfi_rel_offset %r10, 0
push %r11
.cfi_adjust_cfa_offset 8
.cfi_rel_offset %r11, 0
# Align stack frame.
push %rbx # non-scratch
.cfi_adjust_cfa_offset 8
.cfi_rel_offset %rbx, 0
mov %rsp, %rbx # save current rsp
.cfi_def_cfa_register %rbx
shr $4, %rsp # clear 4 lsb, align to 16
shl $4, %rsp
call __tsan_report_race
# Unalign stack frame back.
mov %rbx, %rsp # restore the original rsp
.cfi_def_cfa_register %rsp
pop %rbx
.cfi_adjust_cfa_offset -8
# Restore scratch registers.
pop %r11
.cfi_adjust_cfa_offset -8
pop %r10
.cfi_adjust_cfa_offset -8
pop %r9
.cfi_adjust_cfa_offset -8
pop %r8
.cfi_adjust_cfa_offset -8
pop %rdi
.cfi_adjust_cfa_offset -8
pop %rsi
.cfi_adjust_cfa_offset -8
pop %rdx
.cfi_adjust_cfa_offset -8
pop %rcx
.cfi_adjust_cfa_offset -8
pop %rax
.cfi_adjust_cfa_offset -8
.cfi_restore %rax
.cfi_restore %rbx
.cfi_restore %rcx
.cfi_restore %rdx
.cfi_restore %rsi
.cfi_restore %rdi
.cfi_restore %r8
.cfi_restore %r9
.cfi_restore %r10
.cfi_restore %r11
ret
.cfi_endproc
#ifdef __linux__
/* We do not need executable stack. */
.section .note.GNU-stack,"",@progbits
#endif
|
