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authorRuss Cox <rsc@golang.org>2014-10-16 15:00:08 -0400
committerRuss Cox <rsc@golang.org>2014-10-16 15:00:08 -0400
commit78db2eb9c66d478bee0d56edcc55d4f865f8c6c7 (patch)
treed08da7ddd82570422ae87dc9d3ac061f8ce3b648 /src/runtime/sys_windows_amd64.s
parentaf64ab79c0ad72decf083d78cf54257d009741b5 (diff)
parent25c63c2c30f4807b073f849d248144d97893ce70 (diff)
downloadgo-78db2eb9c66d478bee0d56edcc55d4f865f8c6c7.tar.gz
all: merge default branch into dev.garbage
hg was unable to create a CL on the code review server for this, so I am submitting the merge by hand. The only manual edits are in mgc0.c, to reapply the removal of cached/ncached to the new code.
Diffstat (limited to 'src/runtime/sys_windows_amd64.s')
-rw-r--r--src/runtime/sys_windows_amd64.s18
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