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author | Russ Cox <rsc@golang.org> | 2009-10-03 10:37:12 -0700 |
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committer | Russ Cox <rsc@golang.org> | 2009-10-03 10:37:12 -0700 |
commit | 1bb8f19f5e9016a9eb118b8aba2b5689b4505812 (patch) | |
tree | 7b69b0974f4999bac76d11abed2071a2dc9e97aa /src/libcgo/linux_amd64.c | |
parent | 6b7539d607f26a1b1cd3eda71fc123ad4d52a133 (diff) | |
download | golang-1bb8f19f5e9016a9eb118b8aba2b5689b4505812.tar.gz |
8c, 8l dynamic loading support.
better mach binaries.
cgo working on darwin+linux amd64+386.
eliminated context switches - pi is 30x faster.
add libcgo to build.
on snow leopard:
- non-cgo binaries work; all tests pass.
- cgo binaries work on amd64 but not 386.
R=r
DELTA=2031 (1316 added, 626 deleted, 89 changed)
OCL=35264
CL=35304
Diffstat (limited to 'src/libcgo/linux_amd64.c')
-rw-r--r-- | src/libcgo/linux_amd64.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/libcgo/linux_amd64.c b/src/libcgo/linux_amd64.c new file mode 100644 index 000000000..14a409f5e --- /dev/null +++ b/src/libcgo/linux_amd64.c @@ -0,0 +1,46 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include <pthread.h> +#include "libcgo.h" + +static void* threadentry(void*); + +void +initcgo(void) +{ +} + +void +libcgo_sys_thread_start(ThreadStart *ts) +{ + pthread_attr_t attr; + pthread_t p; + size_t size; + + pthread_attr_init(&attr); + pthread_attr_getstacksize(&attr, &size); + ts->g->stackguard = size; + pthread_create(&p, &attr, threadentry, ts); +} + +static void* +threadentry(void *v) +{ + ThreadStart ts; + + ts = *(ThreadStart*)v; + free(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; + + crosscall_amd64(ts.m, ts.g, ts.fn); + return nil; +} |