diff options
Diffstat (limited to 'chrome/nacl/sel_main.cc')
| -rw-r--r-- | chrome/nacl/sel_main.cc | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/chrome/nacl/sel_main.cc b/chrome/nacl/sel_main.cc deleted file mode 100644 index 7174706..0000000 --- a/chrome/nacl/sel_main.cc +++ /dev/null @@ -1,210 +0,0 @@ -// Copyright (c) 2006-2009 The Chromium 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 "build/build_config.h" - -#include "native_client/src/include/portability.h" - -#if NACL_OSX -#include <crt_externs.h> -#endif - -EXTERN_C_BEGIN -#include "native_client/src/shared/platform/nacl_sync.h" -#include "native_client/src/shared/platform/nacl_sync_checked.h" -#include "native_client/src/trusted/service_runtime/nacl_globals.h" -#include "native_client/src/trusted/service_runtime/expiration.h" -#include "native_client/src/trusted/service_runtime/nacl_app.h" -#include "native_client/src/trusted/service_runtime/nacl_all_modules.h" -#include "native_client/src/trusted/service_runtime/sel_ldr.h" -#include "native_client/src/trusted/platform_qualify/nacl_os_qualify.h" -EXTERN_C_END - -int verbosity = 0; - -#ifdef __GNUC__ - -/* - * GDB's canonical overlay managment routine. - * We need its symbol in the symbol table so don't inline it. - * TODO(dje): add some explanation for the non-GDB person. - */ - -static void __attribute__ ((noinline)) _ovly_debug_event (void) { - /* - * The asm volatile is here as instructed by the GCC docs. - * It's not enough to declare a function noinline. - * GCC will still look inside the function to see if it's worth calling. - */ - asm volatile (""); -} - -#endif - -static void StopForDebuggerInit (const struct NaClApp *state) { - /* Put xlate_base in a place where gdb can find it. */ - nacl_global_xlate_base = state->xlate_base; - -#ifdef __GNUC__ - _ovly_debug_event (); -#endif -} - -int SelMain(const int desc, const NaClHandle handle) { - char *av[1]; - int ac = 1; - - char **envp; - struct NaClApp state; - char *nacl_file = 0; - int main_thread_only = 1; - int export_addr_to = -2; - - struct NaClApp *nap; - - NaClErrorCode errcode; - - int ret_code = 1; -#if NACL_OSX - // Mac dynamic libraries cannot access the environ variable directly. - envp = *_NSGetEnviron(); -#else - extern char **environ; - envp = environ; -#endif - - - if (NaClHasExpired()) { - // TODO(gregoryd): report error to browser? - fprintf(stderr, "This version of Native Client has expired.\n"); - fprintf(stderr, "Please visit: http://code.google.com/p/nativeclient/\n"); - exit(-1); - } - - NaClAllModulesInit(); - - /* used to be -P */ - NaClSrpcFileDescriptor = desc; - /* used to be -X */ - export_addr_to = desc; - - /* to be passed to NaClMain, eventually... */ - av[0] = const_cast<char*>("NaClMain"); - - if (!NaClAppCtor(&state)) { - fprintf(stderr, "Error while constructing app state\n"); - goto done_file_dtor; - } - - state.restrict_to_main_thread = main_thread_only; - - nap = &state; - errcode = LOAD_OK; - - /* import IMC handle - used to be "-i" */ - NaClAddImcHandle(nap, handle, desc); - - /* - * in order to report load error to the browser plugin through the - * secure command channel, we do not immediate jump to cleanup code - * on error. rather, we continue processing (assuming earlier - * errors do not make it inappropriate) until the secure command - * channel is set up, and then bail out. - */ - - /* - * Ensure this operating system platform is supported. - */ - if (!NaClOsIsSupported()) { - errcode = LOAD_UNSUPPORTED_OS_PLATFORM; - nap->module_load_status = errcode; - fprintf(stderr, "Error while loading \"%s\": %s\n", - nacl_file, - NaClErrorString(errcode)); - } - - /* Give debuggers a well known point at which xlate_base is known. */ - StopForDebuggerInit(&state); - - /* - * If export_addr_to is set to a non-negative integer, we create a - * bound socket and socket address pair and bind the former to - * descriptor 3 and the latter to descriptor 4. The socket address - * is written out to the export_addr_to descriptor. - * - * The service runtime also accepts a connection on the bound socket - * and spawns a secure command channel thread to service it. - * - * If export_addr_to is -1, we only create the bound socket and - * socket address pair, and we do not export to an IMC socket. This - * use case is typically only used in testing, where we only "dump" - * the socket address to stdout or similar channel. - */ - if (-2 < export_addr_to) { - NaClCreateServiceSocket(nap); - if (0 <= export_addr_to) { - NaClSendServiceAddressTo(nap, export_addr_to); - /* - * NB: spawns a thread that uses the command channel. we do - * this after NaClAppLoadFile so that NaClApp object is more - * fully populated. Hereafter any changes to nap should be done - * while holding locks. - */ - NaClSecureCommandChannel(nap); - } - } - - NaClXMutexLock(&nap->mu); - nap->module_load_status = LOAD_OK; - NaClXCondVarBroadcast(&nap->cv); - NaClXMutexUnlock(&nap->mu); - - if (NULL != nap->secure_channel) { - /* - * wait for start_module RPC call on secure channel thread. - */ - NaClWaitForModuleStartStatusCall(nap); - } - - /* - * error reporting done; can quit now if there was an error earlier. - */ - if (LOAD_OK != errcode) { - goto done; - } - - /* - * only nap->ehdrs.e_entry is usable, no symbol table is - * available. - */ - if (!NaClCreateMainThread(nap, - ac, - av, - envp)) { - fprintf(stderr, "creating main thread failed\n"); - goto done; - } - - ret_code = NaClWaitForMainThreadToExit(nap); - - /* - * exit_group or equiv kills any still running threads while module - * addr space is still valid. otherwise we'd have to kill threads - * before we clean up the address space. - */ - return ret_code; - - done: - fflush(stdout); - - NaClAppDtor(&state); - - done_file_dtor: - fflush(stdout); - - NaClAllModulesFini(); - - return ret_code; -} - |