summaryrefslogtreecommitdiff
path: root/src/pkg/runtime/os_nacl.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/pkg/runtime/os_nacl.c')
-rw-r--r--src/pkg/runtime/os_nacl.c278
1 files changed, 0 insertions, 278 deletions
diff --git a/src/pkg/runtime/os_nacl.c b/src/pkg/runtime/os_nacl.c
deleted file mode 100644
index 3196e2ce3..000000000
--- a/src/pkg/runtime/os_nacl.c
+++ /dev/null
@@ -1,278 +0,0 @@
-// Copyright 2010 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 "runtime.h"
-#include "defs_GOOS_GOARCH.h"
-#include "os_GOOS.h"
-#include "arch_GOARCH.h"
-#include "../../cmd/ld/textflag.h"
-#include "stack.h"
-
-int8 *goos = "nacl";
-extern SigTab runtime·sigtab[];
-
-void runtime·sigtramp(void);
-
-// Called to initialize a new m (including the bootstrap m).
-// Called on the parent thread (main thread in case of bootstrap), can allocate memory.
-void
-runtime·mpreinit(M *mp)
-{
- mp->gsignal = runtime·malg(32*1024); // OS X wants >=8K, Linux >=2K
-}
-
-// Called to initialize a new m (including the bootstrap m).
-// Called on the new thread, can not allocate memory.
-void
-runtime·minit(void)
-{
- int32 ret;
-
- // Initialize signal handling
- ret = runtime·nacl_exception_stack((byte*)m->gsignal->stackguard - StackGuard, 32*1024);
- if(ret < 0)
- runtime·printf("runtime: nacl_exception_stack: error %d\n", -ret);
-
- ret = runtime·nacl_exception_handler(runtime·sigtramp, nil);
- if(ret < 0)
- runtime·printf("runtime: nacl_exception_handler: error %d\n", -ret);
-}
-
-// Called from dropm to undo the effect of an minit.
-void
-runtime·unminit(void)
-{
-}
-
-int8 runtime·sigtrampf[] = "runtime: signal at PC=%X AX=%X CX=%X DX=%X BX=%X DI=%X R15=%X *SP=%X\n";
-int8 runtime·sigtrampp[] = "runtime: sigtramp";
-
-extern byte runtime·tls0[];
-
-void
-runtime·osinit(void)
-{
- runtime·ncpu = 1;
- m->procid = 2;
-//runtime·nacl_exception_handler(runtime·sigtramp, nil);
-}
-
-void
-runtime·crash(void)
-{
- *(int32*)0 = 0;
-}
-
-void
-runtime·get_random_data(byte **rnd, int32 *rnd_len)
-{
- *rnd = nil;
- *rnd_len = 0;
-}
-
-void
-runtime·goenvs(void)
-{
- runtime·goenvs_unix();
-}
-
-void
-runtime·initsig(void)
-{
-}
-
-#pragma textflag NOSPLIT
-void
-runtime·usleep(uint32 us)
-{
- Timespec ts;
-
- ts.tv_sec = us/1000000;
- ts.tv_nsec = (us%1000000)*1000;
- runtime·nacl_nanosleep(&ts, nil);
-}
-
-void runtime·mstart_nacl(void);
-
-void
-runtime·newosproc(M *mp, void *stk)
-{
- int32 ret;
- void **tls;
-
- tls = (void**)mp->tls;
- tls[0] = mp->g0;
- tls[1] = mp;
- ret = runtime·nacl_thread_create(runtime·mstart_nacl, stk, tls+2, 0);
- if(ret < 0) {
- runtime·printf("nacl_thread_create: error %d\n", -ret);
- runtime·throw("newosproc");
- }
-}
-
-uintptr
-runtime·semacreate(void)
-{
- int32 mu, cond;
-
- mu = runtime·nacl_mutex_create(0);
- if(mu < 0) {
- runtime·printf("nacl_mutex_create: error %d\n", -mu);
- runtime·throw("semacreate");
- }
- cond = runtime·nacl_cond_create(0);
- if(cond < 0) {
- runtime·printf("nacl_cond_create: error %d\n", -cond);
- runtime·throw("semacreate");
- }
- m->waitsemalock = mu;
- return cond; // assigned to m->waitsema
-}
-
-#pragma textflag NOSPLIT
-int32
-runtime·semasleep(int64 ns)
-{
- int32 ret;
-
- ret = runtime·nacl_mutex_lock(m->waitsemalock);
- if(ret < 0) {
- //runtime·printf("nacl_mutex_lock: error %d\n", -ret);
- runtime·throw("semasleep");
- }
- if(m->waitsemacount > 0) {
- m->waitsemacount = 0;
- runtime·nacl_mutex_unlock(m->waitsemalock);
- return 0;
- }
-
- while(m->waitsemacount == 0) {
- if(ns < 0) {
- ret = runtime·nacl_cond_wait(m->waitsema, m->waitsemalock);
- if(ret < 0) {
- //runtime·printf("nacl_cond_wait: error %d\n", -ret);
- runtime·throw("semasleep");
- }
- } else {
- Timespec ts;
-
- ns += runtime·nanotime();
- ts.tv_sec = runtime·timediv(ns, 1000000000, (int32*)&ts.tv_nsec);
- ret = runtime·nacl_cond_timed_wait_abs(m->waitsema, m->waitsemalock, &ts);
- if(ret == -ETIMEDOUT) {
- runtime·nacl_mutex_unlock(m->waitsemalock);
- return -1;
- }
- if(ret < 0) {
- //runtime·printf("nacl_cond_timed_wait_abs: error %d\n", -ret);
- runtime·throw("semasleep");
- }
- }
- }
-
- m->waitsemacount = 0;
- runtime·nacl_mutex_unlock(m->waitsemalock);
- return 0;
-}
-
-void
-runtime·semawakeup(M *mp)
-{
- int32 ret;
-
- ret = runtime·nacl_mutex_lock(mp->waitsemalock);
- if(ret < 0) {
- //runtime·printf("nacl_mutex_lock: error %d\n", -ret);
- runtime·throw("semawakeup");
- }
- if(mp->waitsemacount != 0) {
- //runtime·printf("semawakeup: double wakeup\n");
- runtime·throw("semawakeup");
- }
- mp->waitsemacount = 1;
- runtime·nacl_cond_signal(mp->waitsema);
- runtime·nacl_mutex_unlock(mp->waitsemalock);
-}
-
-void
-os·sigpipe(void)
-{
- runtime·throw("too many writes on closed pipe");
-}
-
-uintptr
-runtime·memlimit(void)
-{
- runtime·printf("memlimit\n");
- return 0;
-}
-
-#pragma dataflag NOPTR
-static int8 badsignal[] = "runtime: signal received on thread not created by Go.\n";
-
-// This runs on a foreign stack, without an m or a g. No stack split.
-#pragma textflag NOSPLIT
-void
-runtime·badsignal2(void)
-{
- runtime·write(2, badsignal, sizeof badsignal - 1);
- runtime·exit(2);
-}
-
-void runtime·madvise(byte*, uintptr, int32) { }
-void runtime·munmap(byte*, uintptr) {}
-
-void
-runtime·resetcpuprofiler(int32 hz)
-{
- USED(hz);
-}
-
-void
-runtime·sigdisable(uint32)
-{
-}
-
-void
-runtime·sigenable(uint32)
-{
-}
-
-void
-runtime·closeonexec(int32)
-{
-}
-
-void
-runtime·sigpanic(void)
-{
- if(!runtime·canpanic(g))
- runtime·throw("unexpected signal during runtime execution");
-
- // Native Client only invokes the exception handler for memory faults.
- g->sig = SIGSEGV;
- if(g->sigpc == 0)
- runtime·panicstring("call of nil func value");
- runtime·panicstring("invalid memory address or nil pointer dereference");
-}
-
-uint32 runtime·writelock; // test-and-set spin lock for runtime.write
-
-/*
-An attempt at IRT. Doesn't work. See end of sys_nacl_amd64.s.
-
-void (*runtime·nacl_irt_query)(void);
-
-int8 runtime·nacl_irt_basic_v0_1_str[] = "nacl-irt-basic-0.1";
-void *runtime·nacl_irt_basic_v0_1[6]; // exit, gettod, clock, nanosleep, sched_yield, sysconf
-int32 runtime·nacl_irt_basic_v0_1_size = sizeof(runtime·nacl_irt_basic_v0_1);
-
-int8 runtime·nacl_irt_memory_v0_3_str[] = "nacl-irt-memory-0.3";
-void *runtime·nacl_irt_memory_v0_3[3]; // mmap, munmap, mprotect
-int32 runtime·nacl_irt_memory_v0_3_size = sizeof(runtime·nacl_irt_memory_v0_3);
-
-int8 runtime·nacl_irt_thread_v0_1_str[] = "nacl-irt-thread-0.1";
-void *runtime·nacl_irt_thread_v0_1[3]; // thread_create, thread_exit, thread_nice
-int32 runtime·nacl_irt_thread_v0_1_size = sizeof(runtime·nacl_irt_thread_v0_1);
-*/ \ No newline at end of file
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-29 09:26:20 +0000