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| author | Russ Cox <rsc@golang.org> | 2010-12-07 17:19:36 -0500 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2010-12-07 17:19:36 -0500 |
| commit | 7e14bd81f42ddab2dda331a3395ec36b3a299837 (patch) | |
| tree | abe3ee8c4497f92d24bd3d6cef87fe516fd67814 | |
| parent | 49014c5b12bd00817203c5ae5dbd4ec1c8f6d157 (diff) | |
| download | go-7e14bd81f42ddab2dda331a3395ec36b3a299837.tar.gz go-7e14bd81f42ddab2dda331a3395ec36b3a299837.zip | |
runtime: debugging help on 386
R=r
CC=golang-dev
https://golang.org/cl/3502041
| -rw-r--r-- | src/pkg/runtime/386/asm.s | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/pkg/runtime/386/asm.s b/src/pkg/runtime/386/asm.s index deb7b12f92..84f5367e51 100644 --- a/src/pkg/runtime/386/asm.s +++ b/src/pkg/runtime/386/asm.s @@ -177,7 +177,9 @@ TEXT runtime·morestack(SB),7,$0 // Call newstack on m's scheduling stack. MOVL m_g0(BX), BP MOVL BP, g(CX) - MOVL (m_sched+gobuf_sp)(BX), SP + MOVL (m_sched+gobuf_sp)(BX), AX + MOVL -4(AX), BX // fault if CALL would, before smashing SP + MOVL AX, SP CALL runtime·newstack(SB) MOVL $0, 0x1003 // crash if newstack returns RET |