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Provide startup data loader for V8 < 4.6.76

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This commit is contained in:
Stefan Siegl 2016-02-28 20:17:20 +01:00
parent 52ebdc28ed
commit 40f0f5e89f
1 changed files with 44 additions and 1 deletions
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45
v8js_v8.cc
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@ -2,7 +2,7 @@
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2015 The PHP Group |
| Copyright (c) 1997-2016 The PHP Group |
+----------------------------------------------------------------------+
| http://www.opensource.org/licenses/mit-license.php MIT License |
+----------------------------------------------------------------------+
@ -34,6 +34,43 @@ extern "C" {
#include "v8js_timer.h"
#include "v8js_exceptions.h"
#if defined(PHP_V8_USE_EXTERNAL_STARTUP_DATA) && PHP_V8_API_VERSION < 4006076
/* Old V8 version, requires startup data but has no
* (internal/API) means to let it be loaded. */
static v8::StartupData natives_;
static v8::StartupData snapshot_;
static void v8js_v8_load_startup_data(const char* blob_file,
v8::StartupData* startup_data,
void (*setter_fn)(v8::StartupData*)) {
startup_data->data = NULL;
startup_data->raw_size = 0;
if (!blob_file) {
return;
}
FILE* file = fopen(blob_file, "rb");
if (!file) {
return;
}
fseek(file, 0, SEEK_END);
startup_data->raw_size = static_cast<int>(ftell(file));
rewind(file);
startup_data->data = new char[startup_data->raw_size];
int read_size = static_cast<int>(fread(const_cast<char*>(startup_data->data),
1, startup_data->raw_size, file));
fclose(file);
if (startup_data->raw_size == read_size) {
(*setter_fn)(startup_data);
}
}
#endif
void v8js_v8_init(TSRMLS_D) /* {{{ */
{
/* Run only once; thread-local test first */
@ -55,10 +92,16 @@ void v8js_v8_init(TSRMLS_D) /* {{{ */
#endif
#ifdef PHP_V8_USE_EXTERNAL_STARTUP_DATA
/* V8 doesn't work without startup data, load it. */
#if PHP_V8_API_VERSION >= 4006076
v8::V8::InitializeExternalStartupData(
PHP_V8_NATIVES_BLOB_PATH,
PHP_V8_SNAPSHOT_BLOB_PATH
);
#else
v8js_v8_load_startup_data(PHP_V8_NATIVES_BLOB_PATH, &natives_, v8::V8::SetNativesDataBlob);
v8js_v8_load_startup_data(PHP_V8_SNAPSHOT_BLOB_PATH, &snapshot_, v8::V8::SetSnapshotDataBlob);
#endif
#endif
#if !defined(_WIN32) && PHP_V8_API_VERSION >= 3029036