diff options
Diffstat (limited to 'lib/tsan/rtl/tsan_rtl_amd64.S')
| -rw-r--r-- | lib/tsan/rtl/tsan_rtl_amd64.S | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/lib/tsan/rtl/tsan_rtl_amd64.S b/lib/tsan/rtl/tsan_rtl_amd64.S new file mode 100644 index 0000000..2028ec5 --- /dev/null +++ b/lib/tsan/rtl/tsan_rtl_amd64.S @@ -0,0 +1,71 @@ +.section .text + +.globl __tsan_trace_switch_thunk +__tsan_trace_switch_thunk: + # Save scratch registers. + push %rax + push %rcx + push %rdx + push %rsi + push %rdi + push %r8 + push %r9 + push %r10 + push %r11 + # Align stack frame. + push %rbx # non-scratch + mov %rsp, %rbx # save current rsp + 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 + pop %rbx + # Restore scratch registers. + pop %r11 + pop %r10 + pop %r9 + pop %r8 + pop %rdi + pop %rsi + pop %rdx + pop %rcx + pop %rax + ret + +.globl __tsan_report_race_thunk +__tsan_report_race_thunk: + # Save scratch registers. + push %rax + push %rcx + push %rdx + push %rsi + push %rdi + push %r8 + push %r9 + push %r10 + push %r11 + # Align stack frame. + push %rbx # non-scratch + mov %rsp, %rbx # save current rsp + 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 + pop %rbx + # Restore scratch registers. + pop %r11 + pop %r10 + pop %r9 + pop %r8 + pop %rdi + pop %rsi + pop %rdx + pop %rcx + pop %rax + ret |
