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runtime: reset DF flag after running external code on 386

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R=r
CC=golang-dev
https://golang.org/cl/186108
This commit is contained in:
Russ Cox 2010-01-13 09:08:39 -08:00
parent 63d639295c
commit f85abf01bc
1 changed files with 4 additions and 0 deletions
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4
src/pkg/runtime/386/asm.s
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@ -350,6 +350,10 @@ TEXT runcgo(SB),7,$16
MOVL CX, 4(SP) MOVL CX, 4(SP)
MOVL BX, 0(SP) MOVL BX, 0(SP)
CALL AX CALL AX
// Back; switch to original stack, re-establish
// "DF is clear" invariant.
CLD
MOVL 4(SP), SP MOVL 4(SP), SP
RET RET