1 files changed, 0 insertions, 166 deletions
diff --git a/src/pkg/runtime/cgo/gcc_openbsd_amd64.c b/src/pkg/runtime/cgo/gcc_openbsd_amd64.c
deleted file mode 100644
index 64d29a935..000000000
--- a/src/pkg/runtime/cgo/gcc_openbsd_amd64.c
+++ /dev/null
@@ -1,166 +0,0 @@
-// 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 <sys/types.h>
-#include <dlfcn.h>
-#include <errno.h>
-#include <pthread.h>
-#include <signal.h>
-#include <string.h>
-#include "libcgo.h"
-
-static void* threadentry(void*);
-static void (*setmg_gcc)(void*, void*);
-
-// TCB_SIZE is sizeof(struct thread_control_block),
-// as defined in /usr/src/lib/librthread/tcb.h
-#define TCB_SIZE (4 * sizeof(void *))
-#define TLS_SIZE (2 * sizeof(void *))
-
-void *__get_tcb(void);
-void __set_tcb(void *);
-
-static int (*sys_pthread_create)(pthread_t *thread, const pthread_attr_t *attr,
-	void *(*start_routine)(void *), void *arg);
-
-struct thread_args {
-	void *(*func)(void *);
-	void *arg;
-};
-
-static void
-tcb_fixup(int mainthread)
-{
-	void *newtcb, *oldtcb;
-
-	// The OpenBSD ld.so(1) does not currently support PT_TLS. As a result,
-	// we need to allocate our own TLS space while preserving the existing
-	// TCB that has been setup via librthread.
-
-	newtcb = malloc(TCB_SIZE + TLS_SIZE);
-	if(newtcb == NULL)
-		abort();
-
-	// The signal trampoline expects the TLS slots to be zeroed.
-	bzero(newtcb, TLS_SIZE);
-
-	oldtcb = __get_tcb();
-	bcopy(oldtcb, newtcb + TLS_SIZE, TCB_SIZE);
-	__set_tcb(newtcb + TLS_SIZE);
-
-	// NOTE(jsing, minux): we can't free oldtcb without causing double-free
-	// problem. so newtcb will be memory leaks. Get rid of this when OpenBSD
-	// has proper support for PT_TLS.
-}
-
-static void *
-thread_start_wrapper(void *arg)
-{
-	struct thread_args args = *(struct thread_args *)arg;
-
-	free(arg);
-	tcb_fixup(0);
-
-	return args.func(args.arg);
-}
-
-int
-pthread_create(pthread_t *thread, const pthread_attr_t *attr,
-	void *(*start_routine)(void *), void *arg)
-{
-	struct thread_args *p;
-
-	p = malloc(sizeof(*p));
-	if(p == NULL) {
-		errno = ENOMEM;
-		return -1;
-	}
-	p->func = start_routine;
-	p->arg = arg;
-
-	return sys_pthread_create(thread, attr, thread_start_wrapper, p);
-}
-
-void
-x_cgo_init(G *g, void (*setmg)(void*, void*))
-{
-	pthread_attr_t attr;
-	size_t size;
-	void *handle;
-
-	setmg_gcc = setmg;
-	pthread_attr_init(&attr);
-	pthread_attr_getstacksize(&attr, &size);
-	g->stackguard = (uintptr)&attr - size + 4096;
-	pthread_attr_destroy(&attr);
-
-	// Locate symbol for the system pthread_create function.
-	handle = dlopen("libpthread.so", RTLD_LAZY);
-	if(handle == NULL) {
-		fprintf(stderr, "dlopen: failed to load libpthread: %s\n", dlerror());
-		abort();
-	}
-	sys_pthread_create = dlsym(handle, "pthread_create");
-	if(sys_pthread_create == NULL) {
-		fprintf(stderr, "dlsym: failed to find pthread_create: %s\n", dlerror());
-		abort();
-	}
-	dlclose(handle);
-
-	tcb_fixup(1);
-}
-
-
-void
-_cgo_sys_thread_start(ThreadStart *ts)
-{
-	pthread_attr_t attr;
-	sigset_t ign, oset;
-	pthread_t p;
-	size_t size;
-	int err;
-
-	sigfillset(&ign);
-	pthread_sigmask(SIG_SETMASK, &ign, &oset);
-
-	pthread_attr_init(&attr);
-	pthread_attr_getstacksize(&attr, &size);
-
-	ts->g->stackguard = size;
-	err = sys_pthread_create(&p, &attr, threadentry, ts);
-
-	pthread_sigmask(SIG_SETMASK, &oset, nil);
-
-	if (err != 0) {
-		fprintf(stderr, "runtime/cgo: pthread_create failed: %s\n", strerror(err));
-		abort();
-	}
-}
-
-static void*
-threadentry(void *v)
-{
-	ThreadStart ts;
-
-	tcb_fixup(0);
-
-	ts = *(ThreadStart*)v;
-	free(v);
-
-	ts.g->stackbase = (uintptr)&ts;
-
-	/*
-	 * _cgo_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.
-	 */
-	setmg_gcc((void*)ts.m, (void*)ts.g);
-
-	crosscall_amd64(ts.fn);
-	return nil;
-}