diff options
Diffstat (limited to 'src/runtime/race_amd64.s')
| -rw-r--r-- | src/runtime/race_amd64.s | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/runtime/race_amd64.s b/src/runtime/race_amd64.s index d9e674b61f..80c4d79a7d 100644 --- a/src/runtime/race_amd64.s +++ b/src/runtime/race_amd64.s @@ -159,14 +159,28 @@ call: ret: RET +// func runtime·racefuncenterfp(fp uintptr) +// Called from instrumented code. +// Like racefuncenter but passes FP, not PC +TEXT runtime·racefuncenterfp(SB), NOSPLIT, $0-8 + MOVQ fp+0(FP), R11 + MOVQ -8(R11), R11 + JMP racefuncenter<>(SB) + // func runtime·racefuncenter(pc uintptr) // Called from instrumented code. TEXT runtime·racefuncenter(SB), NOSPLIT, $0-8 + MOVQ callpc+0(FP), R11 + JMP racefuncenter<>(SB) + +// Common code for racefuncenter/racefuncenterfp +// R11 = caller's return address +TEXT racefuncenter<>(SB), NOSPLIT, $0-0 MOVQ DX, R15 // save function entry context (for closures) get_tls(R12) MOVQ g(R12), R14 MOVQ g_racectx(R14), RARG0 // goroutine context - MOVQ callpc+0(FP), RARG1 + MOVQ R11, RARG1 // void __tsan_func_enter(ThreadState *thr, void *pc); MOVQ $__tsan_func_enter(SB), AX // racecall<> preserves R15 |