diff options
Diffstat (limited to 'src/pkg/runtime/sys_plan9_386.s')
| -rw-r--r-- | src/pkg/runtime/sys_plan9_386.s | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/src/pkg/runtime/sys_plan9_386.s b/src/pkg/runtime/sys_plan9_386.s index bed0f7ebe..143cd2e49 100644 --- a/src/pkg/runtime/sys_plan9_386.s +++ b/src/pkg/runtime/sys_plan9_386.s @@ -81,6 +81,10 @@ TEXT runtime·plan9_semrelease(SB),NOSPLIT,$0 TEXT runtime·rfork(SB),NOSPLIT,$0 MOVL $19, AX // rfork + MOVL stack+8(SP), CX + MOVL mm+12(SP), BX // m + MOVL gg+16(SP), DX // g + MOVL fn+20(SP), SI // fn INT $64 // In parent, return. @@ -88,13 +92,7 @@ TEXT runtime·rfork(SB),NOSPLIT,$0 JEQ 2(PC) RET - // In child on old stack. - MOVL mm+12(SP), BX // m - MOVL gg+16(SP), DX // g - MOVL fn+20(SP), SI // fn - // set SP to be on the new child stack - MOVL stack+8(SP), CX MOVL CX, SP // Initialize m, g. @@ -102,8 +100,9 @@ TEXT runtime·rfork(SB),NOSPLIT,$0 MOVL DX, g(AX) MOVL BX, m(AX) - // Initialize AX from TOS struct. - MOVL procid(AX), AX + // Initialize procid from TOS struct. + // TODO: Be explicit and insert a new MOVL _tos(SB), AX here. + MOVL 48(AX), AX // procid MOVL AX, m_procid(BX) // save pid as m->procid CALL runtime·stackcheck(SB) // smashes AX, CX |