diff options
| author | Alex Brainman <alex.brainman@gmail.com> | 2014-10-09 16:52:28 +1100 |
|---|---|---|
| committer | Alex Brainman <alex.brainman@gmail.com> | 2014-10-09 16:52:28 +1100 |
| commit | 01fd182471a4a06c5bdfb3184c4559fb8929bfd3 (patch) | |
| tree | 40387201c60312251416d0632793a3e5f033b581 /src/runtime/sys_windows_amd64.s | |
| parent | b919cfe80acca99542aa7dfd18fccbff01d9ec4e (diff) | |
| download | go-01fd182471a4a06c5bdfb3184c4559fb8929bfd3.tar.gz | |
runtime: handle all windows exception
Fixes issue 8006.
LGTM=rsc
R=golang-codereviews, rsc
CC=golang-codereviews
https://codereview.appspot.com/145150043
Diffstat (limited to 'src/runtime/sys_windows_amd64.s')
| -rw-r--r-- | src/runtime/sys_windows_amd64.s | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/src/runtime/sys_windows_amd64.s b/src/runtime/sys_windows_amd64.s index 05750398e..e6190ce68 100644 --- a/src/runtime/sys_windows_amd64.s +++ b/src/runtime/sys_windows_amd64.s @@ -99,6 +99,7 @@ TEXT runtime·setlasterror(SB),NOSPLIT,$0 // Called by Windows as a Vectored Exception Handler (VEH). // First argument is pointer to struct containing // exception record and context pointers. +// Handler function is stored in AX. // Return 0 for 'not handled', -1 for handled. TEXT runtime·sigtramp(SB),NOSPLIT,$0-0 // CX: PEXCEPTION_POINTERS ExceptionInfo @@ -116,6 +117,8 @@ TEXT runtime·sigtramp(SB),NOSPLIT,$0-0 MOVQ R14, 32(SP) MOVQ R15, 88(SP) + MOVQ AX, R15 // save handler address + // find g get_tls(DX) CMPQ DX, $0 @@ -157,11 +160,10 @@ TEXT runtime·sigtramp(SB),NOSPLIT,$0-0 sigtramp_g0: MOVQ 0(CX), BX // ExceptionRecord* MOVQ 8(CX), CX // Context* - // call sighandler(ExceptionRecord*, Context*, G*) MOVQ BX, 0(SP) MOVQ CX, 8(SP) MOVQ DX, 16(SP) - CALL runtime·sighandler(SB) + CALL R15 // call handler // AX is set to report result back to Windows MOVL 24(SP), AX @@ -187,6 +189,18 @@ done: RET +TEXT runtime·exceptiontramp(SB),NOSPLIT,$0 + MOVQ $runtime·exceptionhandler(SB), AX + JMP runtime·sigtramp(SB) + +TEXT runtime·firstcontinuetramp(SB),NOSPLIT,$0-0 + MOVQ $runtime·firstcontinuehandler(SB), AX + JMP runtime·sigtramp(SB) + +TEXT runtime·lastcontinuetramp(SB),NOSPLIT,$0-0 + MOVQ $runtime·lastcontinuehandler(SB), AX + JMP runtime·sigtramp(SB) + TEXT runtime·ctrlhandler(SB),NOSPLIT,$8 MOVQ CX, 16(SP) // spill MOVQ $runtime·ctrlhandler1(SB), CX |