diff options
| author | Anthony Martin <ality@pbrane.org> | 2011-01-06 11:36:47 -0500 |
|---|---|---|
| committer | Anthony Martin <ality@pbrane.org> | 2011-01-06 11:36:47 -0500 |
| commit | 662401560fc7a35740efa6466d93a39f9dffb8bd (patch) | |
| tree | f859a5510a75e87a3ab638b3abbc06c1f308f603 | |
| parent | 1a82d45af7e87f5a5b1243698d725a0c74167451 (diff) | |
| download | go-662401560fc7a35740efa6466d93a39f9dffb8bd.tar.gz | |
runtime/cgo: fix stackguard on FreeBSD/amd64
A cursory reading of the cgo code suggests this
should be necessary, though I don't have access
to a FreeBSD machine for testing.
R=rsc, adg
CC=golang-dev
http://codereview.appspot.com/3746047
Committer: Russ Cox <rsc@golang.org>
| -rw-r--r-- | src/pkg/runtime/cgo/freebsd_amd64.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/pkg/runtime/cgo/freebsd_amd64.c b/src/pkg/runtime/cgo/freebsd_amd64.c index a02fbf151..fe6ce391f 100644 --- a/src/pkg/runtime/cgo/freebsd_amd64.c +++ b/src/pkg/runtime/cgo/freebsd_amd64.c @@ -38,6 +38,12 @@ threadentry(void *v) ts.g->stackbase = (uintptr)&ts; /* + * libcgo_sys_thread_start set stackguard to stack size; + * change to actual guard pointer. + */ + ts.g->stackguard = (uintptr)&ts - ts.g->stackguard + 4096; + + /* * Set specific keys. On FreeBSD/ELF, the thread local storage * is just before %fs:0. Our dynamic 6.out's reserve 16 bytes * for the two words g and m at %fs:-16 and %fs:-8. |