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authorRuss Cox <rsc@golang.org>2009-10-03 10:37:12 -0700
committerRuss Cox <rsc@golang.org>2009-10-03 10:37:12 -0700
commit1bb8f19f5e9016a9eb118b8aba2b5689b4505812 (patch)
tree7b69b0974f4999bac76d11abed2071a2dc9e97aa /src/libcgo/linux_amd64.c
parent6b7539d607f26a1b1cd3eda71fc123ad4d52a133 (diff)
downloadgolang-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.c46
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;
+}