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| author | Russ Cox <rsc@golang.org> | 2010-01-13 09:08:39 -0800 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2010-01-13 09:08:39 -0800 |
| commit | f85abf01bcc4543453a1941a8e1734471b6451a5 (patch) | |
| tree | 1125290e767e931da4bc58cccaeab7f9a4dfca4a | |
| parent | 63d639295ccf5ebfdcf9ac0802b5b9fbf8502380 (diff) | |
| download | go-f85abf01bcc4543453a1941a8e1734471b6451a5.tar.gz go-f85abf01bcc4543453a1941a8e1734471b6451a5.zip | |
runtime: reset DF flag after running external code on 386
R=r
CC=golang-dev
https://golang.org/cl/186108
| -rw-r--r-- | src/pkg/runtime/386/asm.s | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/pkg/runtime/386/asm.s b/src/pkg/runtime/386/asm.s index 11ce3f6b6f..aa0fd95bb4 100644 --- a/src/pkg/runtime/386/asm.s +++ b/src/pkg/runtime/386/asm.s @@ -350,6 +350,10 @@ TEXT runcgo(SB),7,$16 MOVL CX, 4(SP) MOVL BX, 0(SP) CALL AX + + // Back; switch to original stack, re-establish + // "DF is clear" invariant. + CLD MOVL 4(SP), SP RET |