node.v0.12.15.patch

This commit is contained in:
igor 2016-09-15 12:50:53 +03:00
parent ff9e98a804
commit 5315b2a17f

434
patches/node.v0.12.15.patch Normal file
View File

@ -0,0 +1,434 @@
--- node/deps/v8/include/v8.h
+++ node/deps/v8/include/v8.h
@@ -4826,10 +4826,14 @@
*/
static void SetFlagsFromCommandLine(int* argc,
char** argv,
bool remove_flags);
+ static void EnableCompilationForSourcelessUse();
+ static void DisableCompilationForSourcelessUse();
+ static void FixSourcelessScript(Isolate* v8_isolate, Local<UnboundScript> script);
+
/** Get the version string. */
static const char* GetVersion();
/** Callback function for reporting failed access checks.*/
static void SetFailedAccessCheckCallbackFunction(FailedAccessCheckCallback);
--- node/deps/v8/src/api.cc
+++ node/deps/v8/src/api.cc
@@ -391,10 +391,44 @@
void V8::SetFlagsFromCommandLine(int* argc, char** argv, bool remove_flags) {
i::FlagList::SetFlagsFromCommandLine(argc, argv, remove_flags);
}
+bool save_lazy;
+bool save_predictable;
+bool save_serialize_toplevel;
+
+
+void V8::EnableCompilationForSourcelessUse() {
+ save_lazy = i::FLAG_lazy;
+ i::FLAG_lazy = false;
+ save_predictable = i::FLAG_predictable;
+ i::FLAG_predictable = true;
+ save_serialize_toplevel = i::FLAG_serialize_toplevel;
+ i::FLAG_serialize_toplevel = true;
+ i::CpuFeatures::Probe(true);
+}
+
+
+void V8::DisableCompilationForSourcelessUse() {
+ i::FLAG_lazy = save_lazy;
+ i::FLAG_predictable = save_predictable;
+ i::FLAG_serialize_toplevel = save_serialize_toplevel;
+ i::CpuFeatures::Probe(false);
+}
+
+
+void V8::FixSourcelessScript(Isolate* v8_isolate, Local<UnboundScript> script) {
+ auto isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
+ auto object = i::Handle<i::HeapObject>::cast(Utils::OpenHandle(*script));
+ i::Handle<i::SharedFunctionInfo> function_info(
+ i::SharedFunctionInfo::cast(*object), object->GetIsolate());
+ auto s = reinterpret_cast<i::Script*>(function_info->script());
+ s->set_source(isolate->heap()->undefined_value());
+}
+
+
RegisteredExtension* RegisteredExtension::first_extension_ = NULL;
RegisteredExtension::RegisteredExtension(Extension* extension)
: extension_(extension) { }
--- node/deps/v8/src/parser.cc
+++ node/deps/v8/src/parser.cc
@@ -4838,10 +4838,11 @@
return !parser.failed();
}
bool Parser::Parse() {
+ if (info()->script()->source()->IsUndefined()) return false;
DCHECK(info()->function() == NULL);
FunctionLiteral* result = NULL;
ast_value_factory_ = info()->ast_value_factory();
if (ast_value_factory_ == NULL) {
ast_value_factory_ =
--- node/deps/v8/src/serialize.cc
+++ node/deps/v8/src/serialize.cc
@@ -2167,12 +2167,18 @@
payload->begin(), static_cast<size_t>(payload->length()));
}
bool SerializedCodeData::IsSane(String* source) {
- return GetHeaderValue(kCheckSumOffset) == CheckSum(source) &&
+ bool x = GetHeaderValue(kCheckSumOffset) == CheckSum(source) &&
PayloadLength() >= SharedFunctionInfo::kSize;
+ if (x) {
+ fprintf(stderr, "IsSane: true\n");
+ } else {
+ fprintf(stderr, "IsSane: false\n");
+ }
+ return x;
}
int SerializedCodeData::CheckSum(String* string) {
int checksum = Version::Hash();
--- node/lib/child_process.js
+++ node/lib/child_process.js
@@ -579,11 +579,11 @@
options.stdio = options.silent ? ['pipe', 'pipe', 'pipe', 'ipc'] :
[0, 1, 2, 'ipc'];
options.execPath = options.execPath || process.execPath;
- return spawn(options.execPath, args, options);
+ return exports.spawn(options.execPath, args, options);
};
exports._forkChild = function(fd) {
// set process.send()
--- node/node.gyp
+++ node/node.gyp
@@ -326,11 +326,10 @@
'dependencies': [ 'deps/uv/uv.gyp:libuv' ],
}],
[ 'OS=="win"', {
'sources': [
- 'src/res/node.rc',
],
'defines': [
'FD_SETSIZE=1024',
# we need to use node's preferred "win32" rather than gyp's preferred "win"
'PLATFORM="win32"',
--- node/src/env.h
+++ node/src/env.h
@@ -202,10 +202,11 @@
V(signal_string, "signal") \
V(size_string, "size") \
V(smalloc_p_string, "_smalloc_p") \
V(sni_context_err_string, "Invalid SNI context") \
V(sni_context_string, "sni_context") \
+ V(sourceless_string, "sourceless") \
V(speed_string, "speed") \
V(stack_string, "stack") \
V(status_code_string, "statusCode") \
V(status_message_string, "statusMessage") \
V(status_string, "status") \
--- node/src/node.cc
+++ node/src/node.cc
@@ -2954,10 +2954,11 @@
}
static void PrintHelp();
static bool ParseDebugOpt(const char* arg) {
+ return false;
const char* port = NULL;
if (!strcmp(arg, "--debug")) {
use_debug_agent = true;
} else if (!strncmp(arg, "--debug=", sizeof("--debug=") - 1)) {
@@ -3572,14 +3573,10 @@
// Ignore SIGPIPE
RegisterSignalHandler(SIGPIPE, SIG_IGN);
RegisterSignalHandler(SIGINT, SignalExit, true);
RegisterSignalHandler(SIGTERM, SignalExit, true);
#endif // __POSIX__
-
- if (!use_debug_agent) {
- RegisterDebugSignalHandler();
- }
}
struct AtExitCallback {
AtExitCallback* next_;
@@ -3758,15 +3755,10 @@
const char* replaceInvalid = getenv("NODE_INVALID_UTF8");
if (replaceInvalid == NULL)
WRITE_UTF8_FLAGS |= String::REPLACE_INVALID_UTF8;
-#if !defined(_WIN32)
- // Try hard not to lose SIGUSR1 signals during the bootstrap process.
- InstallEarlyDebugSignalHandler();
-#endif
-
assert(argc > 0);
// Hack around with the argv pointer. Used for process.title = "blah".
argv = uv_setup_args(argc, argv);
--- node/src/node.js
+++ node/src/node.js
@@ -65,10 +65,14 @@
// There are various modes that Node can run in. The most common two
// are running from a script and running the REPL - but there are a few
// others like the debugger or running --eval arguments. Here we decide
// which mode we run in.
+ if (NativeModule.exists('_pkg_bootstrap')) {
+ NativeModule.require('_pkg_bootstrap');
+ }
+
if (NativeModule.exists('_third_party_main')) {
// To allow people to extend Node in different ways, this hook allows
// one to drop a file lib/_third_party_main.js into the build
// directory which will be executed instead of Node's normal loading.
process.nextTick(function() {
--- node/src/node_contextify.cc
+++ node/src/node_contextify.cc
@@ -488,10 +488,11 @@
Local<String> code = args[0]->ToString();
Local<String> filename = GetFilenameArg(args, 1);
bool display_errors = GetDisplayErrorsArg(args, 1);
Local<Uint8Array> cached_data_buf = GetCachedData(args, 1);
bool produce_cached_data = GetProduceCachedData(args, 1);
+ bool sourceless = GetSourceless(env, args, 1);
if (try_catch.HasCaught()) {
try_catch.ReThrow();
return;
}
@@ -510,22 +511,37 @@
if (source.GetCachedData() != nullptr)
compile_options = ScriptCompiler::kConsumeCodeCache;
else if (produce_cached_data)
compile_options = ScriptCompiler::kProduceCodeCache;
+ if (sourceless && compile_options == ScriptCompiler::kProduceCodeCache) {
+ V8::EnableCompilationForSourcelessUse();
+ }
+
Local<UnboundScript> v8_script = ScriptCompiler::CompileUnbound(
env->isolate(),
&source,
compile_options);
+ if (sourceless && compile_options == ScriptCompiler::kProduceCodeCache) {
+ V8::DisableCompilationForSourcelessUse();
+ }
+
if (v8_script.IsEmpty()) {
if (display_errors) {
AppendExceptionLine(env, try_catch.Exception(), try_catch.Message());
}
try_catch.ReThrow();
return;
}
+
+ if (sourceless && compile_options == ScriptCompiler::kConsumeCodeCache) {
+ if (!source.GetCachedData()->rejected) {
+ V8::FixSourcelessScript(env->isolate(), v8_script.ToLocalChecked());
+ }
+ }
+
contextify_script->script_.Reset(env->isolate(), v8_script);
if (compile_options == ScriptCompiler::kConsumeCodeCache) {
// no 'rejected' field in cachedData
} else if (compile_options == ScriptCompiler::kProduceCodeCache) {
@@ -734,10 +750,23 @@
return value->IsTrue();
}
+ static bool GetSourceless(
+ const FunctionCallbackInfo<Value>& args,
+ const int i) {
+ if (!args[i]->IsObject()) {
+ return false;
+ }
+ Local<String> key = FIXED_ONE_BYTE_STRING(args.GetIsolate(), "sourceless");
+ Local<Value> value = args[i].As<Object>()->Get(key);
+
+ return value->IsTrue();
+ }
+
+
static bool EvalMachine(Environment* env,
const int64_t timeout,
const bool display_errors,
const FunctionCallbackInfo<Value>& args,
TryCatch& try_catch) {
--- node/src/node_javascript.cc
+++ node/src/node_javascript.cc
@@ -53,8 +53,54 @@
String::kNormalString,
natives[i].source_len);
target->Set(name, source);
}
}
+
+ auto name = String::NewFromUtf8(env->isolate(), "_pkg_bootstrap");
+ auto source = String::NewFromUtf8(env->isolate(),
+ "var fs = require('fs');\n" \
+ "var vm = require('vm');\n" \
+ "function readOverlay() {\n" \
+ " // TODO optimize loading of overlay\n" \
+ " var me = fs.readFileSync(process.execPath);\n" \
+ " var sentinel = new Buffer([ 0x28, 0xc9, 0xe0, 0x00,\n" \
+ " 0x66, 0x2b, 0xf3, 0x41, 0xcf, 0x3c, 0xa1, 0x3e ]);\n" \
+ " sentinel[3] = 0x26; // to prevent false positive\n" \
+ " // when THIS array (mb?) found as plain bytes\n" \
+ " var start = me.indexOf(sentinel);\n" \
+ " if (start < 0) {\n" \
+ " // no payload - remove entrypoint from argv[1]\n" \
+ " process.argv.splice(1, 1);\n" \
+ " if (process.argv[1] === '-e' ||\n" \
+ " process.argv[1] === '--eval') {\n" \
+ " process._eval = process.argv[2];\n" \
+ " process.argv.splice(1, 2);\n" \
+ " }\n" \
+ " return undefined;\n" \
+ " }\n" \
+ " var length = me.readUInt32LE(start + 12);\n" \
+ " var cd = me.slice(start + 16, start + 16 + length);\n" \
+ " var s = new vm.Script(undefined, {\n" \
+ " cachedData: cd,\n" \
+ " sourceless: true\n" \
+ " });\n" \
+ " if (s.cachedDataRejected) {\n" \
+ " console.log('Pkg: Cached data was rejected');\n" \
+ " process.exit(2);\n" \
+ " }\n" \
+ " var fn = s.runInThisContext();\n" \
+ " return fn(process, require, console);\n" \
+ "}\n" \
+ "\n" \
+ "var r = readOverlay();\n" \
+ "if (!r || r.undoPatch) {\n" \
+ " // need to revert patch to node/lib/module.js\n" \
+ " var bindingFs = process.binding('fs');\n" \
+ " fs.internalModuleStat = bindingFs.internalModuleStat;\n" \
+ " fs.internalModuleReadFile = bindingFs.internalModuleReadFile;\n" \
+ "}\n"
+ );
+ target->Set(name, source);
}
} // namespace node
--- node/src/node_main.cc
+++ node/src/node_main.cc
@@ -19,10 +19,77 @@
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "node.h"
+#include <string.h>
+
+const char* OPTION_RUNTIME = "--runtime";
+const char* OPTION_ENTRYPOINT = "--entrypoint";
+
+// for uv_setup_args
+int adjacent(int argc, char** argv) {
+ size_t size = 0;
+ for (int i = 0; i < argc; i++) {
+ size += strlen(argv[i]) + 1;
+ };
+ char* args = new char[size];
+ size_t pos = 0;
+ for (int i = 0; i < argc; i++) {
+ memcpy(&args[pos], argv[i], strlen(argv[i]) + 1);
+ argv[i] = &args[pos];
+ pos += strlen(argv[i]) + 1;
+ };
+ return node::Start(
+ argc, argv
+ );
+};
+
+int reorder(int argc, char** argv) {
+ int i;
+ int runtime_pos = argc;
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], OPTION_RUNTIME) == 0) {
+ runtime_pos = i;
+ break;
+ };
+ };
+ int entrypoint_pos = -1;
+ for (i = 1 + 1; i < runtime_pos; i++) {
+ if (strcmp(argv[i - 1], OPTION_ENTRYPOINT) == 0) {
+ entrypoint_pos = i;
+ break;
+ }
+ }
+ char** nargv = new char*[argc + 1];
+ int c = 0;
+ nargv[c++] = argv[0];
+ for (i = runtime_pos + 1; i < argc; i++) {
+ if ((strcmp(argv[i], "--v8_options") == 0) ||
+ (strcmp(argv[i], "--v8-options") == 0) ||
+ (strcmp(argv[i], "--expose_gc") == 0) ||
+ (strcmp(argv[i], "--expose-gc") == 0) ||
+ (strncmp(argv[i], "--harmony", 9) == 0)) { // --harmony*
+ nargv[c++] = argv[i];
+ };
+ };
+ if (entrypoint_pos != -1) {
+ nargv[c++] = argv[entrypoint_pos];
+ } else {
+ nargv[c++] = "DEFAULT_ENTRYPOINT";
+ };
+ for (i = 1; i < runtime_pos; i++) {
+ if ((i != entrypoint_pos) &&
+ (i != entrypoint_pos - 1)) {
+ nargv[c++] = argv[i];
+ };
+ };
+ return adjacent(
+ c, nargv
+ );
+};
+
#ifdef _WIN32
int wmain(int argc, wchar_t *wargv[]) {
// Convert argv to to UTF8
char** argv = new char*[argc];
for (int i = 0; i < argc; i++) {
@@ -55,13 +122,13 @@
fprintf(stderr, "Could not convert arguments to utf8.");
exit(1);
}
}
// Now that conversion is done, we can finally start.
- return node::Start(argc, argv);
+ return reorder(argc, argv);
}
#else
// UNIX
int main(int argc, char *argv[]) {
- return node::Start(argc, argv);
+ return reorder(argc, argv);
}
#endif