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pkg-fetch/patches/node.v0.12.18.patch
Igor Klopov 9462b57d2a --pkg-fallback for node0
2017-06-01 18:41:21 +03:00

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--- 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 +391,46 @@
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::Reinitialize();
+ 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::Reinitialize();
+ i::CpuFeatures::Probe(false);
+}
+
+
+void V8::FixSourcelessScript(Isolate* v8_isolate, Local<UnboundScript> script) {
+ i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
+ i::Handle<i::HeapObject> object = i::Handle<i::HeapObject>::cast(Utils::OpenHandle(*script));
+ i::Handle<i::SharedFunctionInfo> function_info(
+ i::SharedFunctionInfo::cast(*object), object->GetIsolate());
+ i::Script* 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/assembler.h
+++ node/deps/v8/src/assembler.h
@@ -196,10 +196,15 @@
static void PrintFeatures();
// Flush instruction cache.
static void FlushICache(void* start, size_t size);
+ static void Reinitialize() {
+ supported_ = 0;
+ initialized_ = false;
+ }
+
private:
// Platform-dependent implementation.
static void ProbeImpl(bool cross_compile);
static unsigned supported_;
--- 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
@@ -2167,11 +2167,11 @@
payload->begin(), static_cast<size_t>(payload->length()));
}
bool SerializedCodeData::IsSane(String* source) {
- return GetHeaderValue(kCheckSumOffset) == CheckSum(source) &&
+ return true &&
PayloadLength() >= SharedFunctionInfo::kSize;
}
int SerializedCodeData::CheckSum(String* string) {
--- 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
@@ -2957,10 +2957,11 @@
}
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)) {
@@ -3575,14 +3576,10 @@
// 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_;
@@ -3761,15 +3758,10 @@
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 +65,52 @@
// 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.
+ (function () {
+ var fs = NativeModule.require('fs');
+ var vm = NativeModule.require('vm');
+ function readPrelude (fd) {
+ var PAYLOAD_POSITION = process.env.PKG_PAYLOAD_POSITION | 0;
+ var PAYLOAD_SIZE = process.env.PKG_PAYLOAD_SIZE | 0;
+ var PRELUDE_POSITION = process.env.PKG_PRELUDE_POSITION | 0;
+ var PRELUDE_SIZE = process.env.PKG_PRELUDE_SIZE | 0;
+ delete process.env.PKG_PAYLOAD_POSITION;
+ delete process.env.PKG_PAYLOAD_SIZE;
+ delete process.env.PKG_PRELUDE_POSITION;
+ delete process.env.PKG_PRELUDE_SIZE;
+ if (!PRELUDE_POSITION) {
+ // no prelude - remove entrypoint from argv[1]
+ process.argv.splice(1, 1);
+ return undefined;
+ }
+ var prelude = new Buffer(PRELUDE_SIZE);
+ var read = fs.readSync(fd, prelude, 0, PRELUDE_SIZE, PRELUDE_POSITION);
+ if (read !== PRELUDE_SIZE) {
+ console.error('Pkg: Error reading from file.');
+ process.exit(1);
+ }
+ var s = new vm.Script(prelude, { filename: 'pkg/prelude/bootstrap.js' });
+ var fn = s.runInThisContext();
+ return fn(process, NativeModule.require,
+ console, fd, PAYLOAD_POSITION, PAYLOAD_SIZE);
+ }
+ (function () {
+ var fd = fs.openSync(process.execPath, 'r');
+ var result = readPrelude(fd);
+ if (result && result.undoPatch) {
+ fs.closeSync(fd);
+ }
+ if (!result || result.undoPatch) {
+ var bindingFs = process.binding('fs');
+ fs.internalModuleStat = bindingFs.internalModuleStat;
+ fs.internalModuleReadFile = bindingFs.internalModuleReadFile;
+ }
+ }());
+ }());
+
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
@@ -487,10 +487,11 @@
Local<String> code = args[0]->ToString();
Local<String> filename = GetFilenameArg(args, 1);
bool display_errors = GetDisplayErrorsArg(args, 1);
Local<Value> cached_data_buf = GetCachedData(args, 1);
bool produce_cached_data = GetProduceCachedData(args, 1);
+ bool sourceless = GetSourceless(args, 1);
if (try_catch.HasCaught()) {
try_catch.ReThrow();
return;
}
@@ -509,22 +510,35 @@
if (source.GetCachedData() != NULL)
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) {
+ V8::FixSourcelessScript(env->isolate(), v8_script);
+ }
+
contextify_script->script_.Reset(env->isolate(), v8_script);
if (compile_options == ScriptCompiler::kConsumeCodeCache) {
// no 'rejected' field in cachedData
} else if (compile_options == ScriptCompiler::kProduceCodeCache) {
@@ -733,10 +747,23 @@
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_main.cc
+++ node/src/node_main.cc
@@ -19,10 +19,279 @@
// 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>
+#include "uv.h"
+
+uint16_t read16(uint8_t* buffer, uint32_t pos) {
+ buffer = &buffer[pos];
+ uint16_t* buffer16 = (uint16_t*) buffer;
+ return *buffer16;
+}
+
+uint32_t read32(uint8_t* buffer, uint32_t pos) {
+ buffer = &buffer[pos];
+ uint32_t* buffer32 = (uint32_t*) buffer;
+ return *buffer32;
+}
+
+int FindBaseBinaryEdge(FILE* file) {
+ int read;
+ uint8_t buffer[4096];
+
+ if (fseek(file, 0, SEEK_SET) != 0) return 0;
+ read = static_cast<int>(fread(&buffer, 1, sizeof(buffer), file));
+ if (read != sizeof(buffer)) return 0;
+
+ if (read16(buffer, 0) == 0x5A4D) { // _IMAGE_DOS_HEADER.e_magic == MZ
+ uint32_t e_lfanew = read32(buffer, 0x3c);
+ uint16_t NumberOfSections = read16(buffer, e_lfanew + 0x04 + 0x02);
+ uint16_t SizeOfOptionalHeader = read16(buffer, e_lfanew + 0x04 + 0x10);
+ uint16_t Section = e_lfanew + 0x18 + SizeOfOptionalHeader;
+
+ uint32_t MaxEnd = 0;
+ for (int i = 0; i < NumberOfSections; i += 1) {
+ if (Section > sizeof(buffer)) break;
+ uint32_t RawOffset = read32(buffer, Section + 0x14);
+ uint32_t RawSize = read32(buffer, Section + 0x10);
+ uint32_t RawEnd = RawOffset + RawSize;
+ if (RawEnd > MaxEnd) MaxEnd = RawEnd;
+ Section += 0x28;
+ }
+
+ return MaxEnd;
+ } else
+ if ((read32(buffer, 0) == 0xfeedface) || // MH_MAGIC
+ (read32(buffer, 0) == 0xfeedfacf)) { // MH_MAGIC_64
+ bool x64 = read32(buffer, 0) == 0xfeedfacf;
+ uint32_t ncmds = read32(buffer, 0x10);
+ uint32_t Command = x64 ? 0x20 : 0x1c;
+
+ uint32_t MaxEnd = 0;
+ for (int i = 0; i < (int) ncmds; i += 1) {
+ if (Command > sizeof(buffer)) break;
+ uint32_t cmdtype = read32(buffer, Command + 0x00);
+ uint32_t cmdsize = read32(buffer, Command + 0x04);
+ if (cmdtype == 0x01) { // LC_SEGMENT
+ uint32_t RawOffset = read32(buffer, Command + 0x20);
+ uint32_t RawSize = read32(buffer, Command + 0x24);
+ uint32_t RawEnd = RawOffset + RawSize;
+ if (RawEnd > MaxEnd) MaxEnd = RawEnd;
+ } else
+ if (cmdtype == 0x19) { // LC_SEGMENT_64
+ uint32_t RawOffset = read32(buffer, Command + 0x28);
+ uint32_t RawSize = read32(buffer, Command + 0x30);
+ uint32_t RawEnd = RawOffset + RawSize;
+ if (RawEnd > MaxEnd) MaxEnd = RawEnd;
+ }
+ Command += cmdsize;
+ }
+
+ return MaxEnd;
+ } else
+ if (read32(buffer, 0) == 0x464c457f) { // ELF
+
+ bool x64 = buffer[0x04] == 2;
+ uint32_t e_shoff = read32(buffer, x64 ? 0x28 : 0x20);
+ uint16_t e_shnum = read32(buffer, x64 ? 0x3c : 0x30);
+ uint16_t e_shentsize = read32(buffer, x64 ? 0x3a : 0x2e);
+ uint32_t SectionHeader = 0;
+
+ if (fseek(file, e_shoff, SEEK_SET) != 0) return 0;
+ read = static_cast<int>(fread(&buffer, 1, sizeof(buffer), file));
+ if (read != sizeof(buffer)) return 0;
+
+ uint32_t MaxEnd = 0;
+ for (int i = 0; i < (int) e_shnum; i += 1) {
+ uint32_t sh_type = read32(buffer, SectionHeader + 0x04);
+ if (sh_type != 0x08) { // SHT_NOBITS
+ uint32_t sh_offset = read32(buffer, SectionHeader + (x64 ? 0x18 : 0x10));
+ uint32_t sh_size = read32(buffer, SectionHeader + (x64 ? 0x20 : 0x14));
+ uint32_t end = sh_offset + sh_size;
+ if (end > MaxEnd) MaxEnd = end;
+ }
+ SectionHeader += e_shentsize;
+ }
+
+ return MaxEnd;
+ }
+
+ fprintf(stderr, "Pkg: Error parsing executable headers.\n");
+ exit(1);
+}
+
+bool FindNextBlock(FILE* file, int start, uint32_t s1,
+ uint32_t s12, uint32_t s3, int* pposition, int* psize
+) {
+ int read;
+ uint8_t probe[4096];
+ uint32_t* psentry;
+
+ if (fseek(file, start, SEEK_SET) != 0) return false;
+ read = static_cast<int>(fread(&probe, 1, sizeof(probe), file));
+
+ for (int i = 0; i < read - 16; i += 1) {
+ psentry = (uint32_t*) (probe + i);
+ if (*psentry != s1) continue;
+ psentry += 1;
+ if (((*psentry)^s1) != s12) continue;
+ psentry += 1;
+ if (*psentry != s3) continue;
+ psentry += 1;
+ *pposition = start + i + 16;
+ *psize = *psentry;
+ return true;
+ }
+
+ return false;
+}
+
+
+#ifdef _WIN32
+void setenv(const char* name, const char* value, int overwrite) {
+ SetEnvironmentVariable(name, value);
+}
+#endif
+
+
+char* ReadOverlays() {
+ char exepath[1024];
+ size_t exepath_size = sizeof(exepath);
+ if (uv_exepath(exepath, &exepath_size)) {
+ fprintf(stderr, "Pkg: Error obtaining exepath.\n");
+ exit(1);
+ }
+
+ FILE* file;
+#ifdef _WIN32
+ WCHAR exepath_w[2048];
+ if (!MultiByteToWideChar(CP_UTF8, 0, exepath, -1, exepath_w, sizeof(exepath_w))) {
+ fprintf(stderr, "Pkg: Error converting to WideChar.\n");
+ exit(1);
+ }
+ file = _wfopen(exepath_w, L"rb");
+#else
+ file = fopen(exepath, "rb");
+#endif
+ if (!file) {
+ fprintf(stderr, "Pkg: Error opening file.\n");
+ exit(1);
+ }
+
+ int position = FindBaseBinaryEdge(file);
+ int size;
+ char* bakery = NULL;
+ char env[64];
+
+ if (FindNextBlock(file, position, 0x4818c4df,
+ 0x32dbc2af, 0x56558a76, &position, &size)
+ ) {
+ if (size) {
+ if (fseek(file, position, SEEK_SET) != 0) {
+ fprintf(stderr, "Pkg: Error reading from file.\n");
+ fclose(file);
+ exit(1);
+ }
+
+ bakery = static_cast<char*>(malloc(size));
+ int read;
+
+ for (int i = 0; i < size;) {
+ read = static_cast<int>(fread(&bakery[i], 1, size - i, file));
+ if (ferror(file) != 0) {
+ fprintf(stderr, "Pkg: Error reading from file.\n");
+ fclose(file);
+ exit(1);
+ }
+ i += read;
+ }
+
+ position += size;
+ }
+ }
+
+ if (FindNextBlock(file, position, 0x75148eba,
+ 0x1aa9270e, 0x2e20c08d, &position, &size)
+ ) {
+ sprintf(env, "%d", position);
+ setenv("PKG_PAYLOAD_POSITION", env, 1);
+ sprintf(env, "%d", size);
+ setenv("PKG_PAYLOAD_SIZE", env, 1);
+
+ position += size;
+ }
+
+ if (FindNextBlock(file, position, 0x26e0c928,
+ 0x6713e24e, 0x3ea13ccf, &position, &size)
+ ) {
+ sprintf(env, "%d", position);
+ setenv("PKG_PRELUDE_POSITION", env, 1);
+ sprintf(env, "%d", size);
+ setenv("PKG_PRELUDE_SIZE", env, 1);
+ }
+
+ fclose(file);
+ return bakery;
+}
+
+
+// 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);
+}
+
+
+const char* OPTION_FALLBACK = "--pkg-fallback";
+
+
+int reorder(int argc, char** argv) {
+ int i;
+ int fallback_pos = -1;
+ for (i = 1; i < argc; i++) {
+ if (i > 1) break; // it must be first
+ if (strcmp(argv[i], OPTION_FALLBACK) == 0) {
+ fallback_pos = i;
+ break;
+ }
+ }
+ char** nargv = new char*[argc + 64];
+ char* bakery = ReadOverlays();
+ int c = 0;
+ nargv[c++] = argv[0];
+ if (bakery) {
+ while (true) {
+ size_t width = strlen(bakery);
+ if (width == 0) break;
+ nargv[c++] = bakery;
+ bakery += width + 1;
+ }
+ }
+ if (fallback_pos == -1) {
+ nargv[c++] = "PKG_DEFAULT_ENTRYPOINT";
+ }
+ for (i = 1; i < argc; i++) {
+ if (i != fallback_pos) {
+ 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 +324,13 @@
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
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