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authorIan Lance Taylor <iant@golang.org>2010-04-09 14:15:15 -0700
committerIan Lance Taylor <iant@golang.org>2010-04-09 14:15:15 -0700
commita4f8d36ba5f69e03073fa9f3bf79c04d4234fc85 (patch)
tree969c98763059cf3553455bd6a7037b5213f2897b /src/pkg/runtime/amd64
parentf833a8d39269e4df1e843842fd855e8c019927a8 (diff)
downloadgo-a4f8d36ba5f69e03073fa9f3bf79c04d4234fc85.tar.xz
Run initcgo for all amd64 targets, not just GNU/Linux.
This is required to make cgo export work on Darwin. Note that this corrects the stack alignment when calling initcgo to that required by gcc on amd64. R=rsc CC=golang-dev https://golang.org/cl/907041
Diffstat (limited to 'src/pkg/runtime/amd64')
-rw-r--r--src/pkg/runtime/amd64/asm.s9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/pkg/runtime/amd64/asm.s b/src/pkg/runtime/amd64/asm.s
index 627af66320..52b0a89bcb 100644
--- a/src/pkg/runtime/amd64/asm.s
+++ b/src/pkg/runtime/amd64/asm.s
@@ -9,10 +9,16 @@ TEXT _rt0_amd64(SB),7,$-8
MOVQ 0(DI), AX // argc
LEAQ 8(DI), BX // argv
SUBQ $(4*8+7), SP // 2args 2auto
- ANDQ $~7, SP
+ ANDQ $~15, SP
MOVQ AX, 16(SP)
MOVQ BX, 24(SP)
+ // if there is an initcgo, call it.
+ MOVQ initcgo(SB), AX
+ TESTQ AX, AX
+ JZ 2(PC)
+ CALL AX
+
// set the per-goroutine and per-mach registers
LEAQ m0(SB), m
LEAQ g0(SB), g
@@ -372,4 +378,5 @@ TEXT getcallersp(SB),7,$0
MOVQ sp+0(FP), AX
RET
+GLOBL initcgo(SB), $8
GLOBL libcgo_set_scheduler(SB), $8