mirror of https://github.com/lukechilds/node.git
Ryan Dahl
14 years ago
221 changed files with 18567 additions and 9628 deletions
@ -1,971 +0,0 @@ |
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From 0ed25321cf3d2ca54dd148cc58e79712b73b9b3e Mon Sep 17 00:00:00 2001 |
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From: unknown <cyg_server@.(none)> |
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Date: Fri, 12 Nov 2010 00:15:30 +0100 |
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Subject: [PATCH] Patch for Cygwin |
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|
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---
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SConstruct | 3 +- |
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src/SConscript | 1 + |
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src/platform-cygwin.cc | 865 ++++++++++++++++++++++++++++++++++++++++++++++++ |
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src/platform.h | 5 + |
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src/utils.h | 2 +- |
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tools/utils.py | 2 + |
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6 files changed, 875 insertions(+), 3 deletions(-) |
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create mode 100644 src/platform-cygwin.cc |
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diff --git a/SConstruct b/SConstruct
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index 820c1a1..7107e91 100644
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--- a/SConstruct
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+++ b/SConstruct
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@@ -292,7 +292,6 @@ V8_EXTRA_FLAGS = {
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'gcc': { |
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'all': { |
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'WARNINGFLAGS': ['-Wall', |
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- '-Werror',
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'-W', |
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'-Wno-unused-parameter', |
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'-Wnon-virtual-dtor'] |
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@@ -666,7 +665,7 @@ SIMPLE_OPTIONS = {
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'help': 'the toolchain to use (%s)' % TOOLCHAIN_GUESS |
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}, |
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'os': { |
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- 'values': ['freebsd', 'linux', 'macos', 'win32', 'android', 'openbsd', 'solaris'],
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+ 'values': ['freebsd', 'linux', 'macos', 'win32', 'android', 'openbsd', 'solaris', 'cygwin'],
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'default': OS_GUESS, |
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'help': 'the os to build for (%s)' % OS_GUESS |
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}, |
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diff --git a/src/SConscript b/src/SConscript
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index 8995d48..ef5485d 100755
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--- a/src/SConscript
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+++ b/src/SConscript
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@@ -204,6 +204,7 @@ SOURCES = {
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'os:android': ['platform-linux.cc', 'platform-posix.cc'], |
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'os:macos': ['platform-macos.cc', 'platform-posix.cc'], |
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'os:solaris': ['platform-solaris.cc', 'platform-posix.cc'], |
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+ 'os:cygwin': ['platform-cygwin.cc', 'platform-posix.cc'],
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'os:nullos': ['platform-nullos.cc'], |
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'os:win32': ['platform-win32.cc'], |
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'mode:release': [], |
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diff --git a/src/platform-cygwin.cc b/src/platform-cygwin.cc
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new file mode 100644 |
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index 0000000..ad0ad8c
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--- /dev/null
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+++ b/src/platform-cygwin.cc
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@@ -0,0 +1,865 @@
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+// Copyright 2006-2008 the V8 project authors. All rights reserved.
|
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+// Redistribution and use in source and binary forms, with or without
|
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+// modification, are permitted provided that the following conditions are
|
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+// met:
|
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+//
|
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+// * Redistributions of source code must retain the above copyright
|
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+// notice, this list of conditions and the following disclaimer.
|
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+// * Redistributions in binary form must reproduce the above
|
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+// copyright notice, this list of conditions and the following
|
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+// disclaimer in the documentation and/or other materials provided
|
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+// with the distribution.
|
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+// * Neither the name of Google Inc. nor the names of its
|
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+// contributors may be used to endorse or promote products derived
|
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+// from this software without specific prior written permission.
|
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+//
|
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+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
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+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
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+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
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+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
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+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
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+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
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+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
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+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
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+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
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+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
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+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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+
|
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+// Platform specific code for Cygwin goes here. For the POSIX comaptible parts
|
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+// the implementation is in platform-posix.cc.
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+
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+#include <pthread.h>
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+#include <semaphore.h>
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+#include <signal.h>
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+#include <sys/time.h>
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+#include <sys/resource.h>
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+#include <sys/types.h>
|
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+#include <stdlib.h>
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+
|
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+// Ubuntu Dapper requires memory pages to be marked as
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+// executable. Otherwise, OS raises an exception when executing code
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+// in that page.
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+#include <sys/types.h> // mmap & munmap
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+#include <sys/mman.h> // mmap & munmap
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+#include <sys/stat.h> // open
|
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+#include <fcntl.h> // open
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+#include <unistd.h> // sysconf
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+#ifdef __GLIBC__
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+#include <execinfo.h> // backtrace, backtrace_symbols
|
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+#endif // def __GLIBC__
|
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+#include <strings.h> // index
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+#include <errno.h>
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+#include <stdarg.h>
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+
|
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+#undef MAP_TYPE
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+
|
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+#include "v8.h"
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+
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+#include "platform.h"
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+#include "top.h"
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+#include "v8threads.h"
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+
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+
|
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+namespace v8 {
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+namespace internal {
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+
|
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+// 0 is never a valid thread id on Linux since tids and pids share a
|
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+// name space and pid 0 is reserved (see man 2 kill).
|
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+static const pthread_t kNoThread = (pthread_t) 0;
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+
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+
|
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+double ceiling(double x) {
|
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+ return ceil(x);
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+}
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+
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+
|
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+void OS::Setup() {
|
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+ // Seed the random number generator.
|
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+ // Convert the current time to a 64-bit integer first, before converting it
|
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+ // to an unsigned. Going directly can cause an overflow and the seed to be
|
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+ // set to all ones. The seed will be identical for different instances that
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+ // call this setup code within the same millisecond.
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+ uint64_t seed = static_cast<uint64_t>(TimeCurrentMillis());
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+ srandom(static_cast<unsigned int>(seed));
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+}
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+
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+
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+uint64_t OS::CpuFeaturesImpliedByPlatform() {
|
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+#if (defined(__VFP_FP__) && !defined(__SOFTFP__))
|
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+ // Here gcc is telling us that we are on an ARM and gcc is assuming that we
|
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+ // have VFP3 instructions. If gcc can assume it then so can we.
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+ return 1u << VFP3;
|
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+#elif CAN_USE_ARMV7_INSTRUCTIONS
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+ return 1u << ARMv7;
|
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+#else
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+ return 0; // Linux runs on anything.
|
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+#endif
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+}
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+
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+
|
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+#ifdef __arm__
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+bool OS::ArmCpuHasFeature(CpuFeature feature) {
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+ const char* search_string = NULL;
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+ const char* file_name = "/proc/cpuinfo";
|
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+ // Simple detection of VFP at runtime for Linux.
|
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+ // It is based on /proc/cpuinfo, which reveals hardware configuration
|
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+ // to user-space applications. According to ARM (mid 2009), no similar
|
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+ // facility is universally available on the ARM architectures,
|
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+ // so it's up to individual OSes to provide such.
|
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+ //
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+ // This is written as a straight shot one pass parser
|
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+ // and not using STL string and ifstream because,
|
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+ // on Linux, it's reading from a (non-mmap-able)
|
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+ // character special device.
|
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+ switch (feature) {
|
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+ case VFP3:
|
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+ search_string = "vfp";
|
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+ break;
|
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+ case ARMv7:
|
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+ search_string = "ARMv7";
|
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+ break;
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+ default:
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+ UNREACHABLE();
|
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+ }
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+
|
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+ FILE* f = NULL;
|
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+ const char* what = search_string;
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+
|
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+ if (NULL == (f = fopen(file_name, "r")))
|
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+ return false;
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+
|
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+ int k;
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+ while (EOF != (k = fgetc(f))) {
|
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+ if (k == *what) {
|
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+ ++what;
|
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+ while ((*what != '\0') && (*what == fgetc(f))) {
|
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+ ++what;
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+ }
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+ if (*what == '\0') {
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+ fclose(f);
|
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+ return true;
|
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+ } else {
|
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+ what = search_string;
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+ }
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+ }
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+ }
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+ fclose(f);
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+
|
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+ // Did not find string in the proc file.
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+ return false;
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+}
|
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+#endif // def __arm__
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+
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+
|
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+int OS::ActivationFrameAlignment() {
|
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+#ifdef V8_TARGET_ARCH_ARM
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+ // On EABI ARM targets this is required for fp correctness in the
|
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+ // runtime system.
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+ return 8;
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+#elif V8_TARGET_ARCH_MIPS
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+ return 8;
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+#endif
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+ // With gcc 4.4 the tree vectorization optimizer can generate code
|
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+ // that requires 16 byte alignment such as movdqa on x86.
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+ return 16;
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+}
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+
|
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+void OS::ReleaseStore(volatile AtomicWord* ptr, AtomicWord value) {
|
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+ __asm__ __volatile__("" : : : "memory");
|
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+ // An x86 store acts as a release barrier.
|
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+ *ptr = value;
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+}
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+
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+const char* OS::LocalTimezone(double time) {
|
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+ if (isnan(time)) return "";
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+ time_t tv = static_cast<time_t>(floor(time/msPerSecond));
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+ struct tm* t = localtime(&tv);
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+ if (NULL == t) return "";
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+ return tzname[0]; // The location of the timezone string on Cywin.
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+}
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+
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+
|
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+double OS::LocalTimeOffset() {
|
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+ //
|
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+ // On Cygwin, struct tm does not contain a tm_gmtoff field.
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+ time_t utc = time(NULL);
|
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+ ASSERT(utc != -1);
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+ struct tm* loc = localtime(&utc);
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+ ASSERT(loc != NULL);
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+ return static_cast<double>((mktime(loc) - utc) * msPerSecond);
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+}
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+
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+
|
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+// We keep the lowest and highest addresses mapped as a quick way of
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+// determining that pointers are outside the heap (used mostly in assertions
|
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+// and verification). The estimate is conservative, ie, not all addresses in
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+// 'allocated' space are actually allocated to our heap. The range is
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+// [lowest, highest), inclusive on the low and and exclusive on the high end.
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+static void* lowest_ever_allocated = reinterpret_cast<void*>(-1);
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+static void* highest_ever_allocated = reinterpret_cast<void*>(0);
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+
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+
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+static void UpdateAllocatedSpaceLimits(void* address, int size) {
|
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+ lowest_ever_allocated = Min(lowest_ever_allocated, address);
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+ highest_ever_allocated =
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+ Max(highest_ever_allocated,
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+ reinterpret_cast<void*>(reinterpret_cast<char*>(address) + size));
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+}
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+
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+
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+bool OS::IsOutsideAllocatedSpace(void* address) {
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+ return address < lowest_ever_allocated || address >= highest_ever_allocated;
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+}
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+
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+
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+size_t OS::AllocateAlignment() {
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+ return sysconf(_SC_PAGESIZE);
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+}
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+
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+
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+void* OS::Allocate(const size_t requested,
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+ size_t* allocated,
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+ bool is_executable) {
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+ const size_t msize = RoundUp(requested, sysconf(_SC_PAGESIZE));
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+ int prot = PROT_READ | PROT_WRITE | (is_executable ? PROT_EXEC : 0);
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+ void* mbase = mmap(NULL, msize, prot, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
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+ if (mbase == MAP_FAILED) {
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+ LOG(StringEvent("OS::Allocate", "mmap failed"));
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+ return NULL;
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+ }
|
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+ *allocated = msize;
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+ UpdateAllocatedSpaceLimits(mbase, msize);
|
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+ return mbase;
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+}
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+
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+
|
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+void OS::Free(void* address, const size_t size) {
|
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+ // TODO(1240712): munmap has a return value which is ignored here.
|
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+ int result = munmap(address, size);
|
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+ USE(result);
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+ ASSERT(result == 0);
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+}
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+
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+
|
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+#ifdef ENABLE_HEAP_PROTECTION
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+
|
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+void OS::Protect(void* address, size_t size) {
|
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+ // TODO(1240712): mprotect has a return value which is ignored here.
|
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+ mprotect(address, size, PROT_READ);
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+}
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+
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+
|
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+void OS::Unprotect(void* address, size_t size, bool is_executable) {
|
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+ // TODO(1240712): mprotect has a return value which is ignored here.
|
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+ int prot = PROT_READ | PROT_WRITE | (is_executable ? PROT_EXEC : 0);
|
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+ mprotect(address, size, prot);
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+}
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+
|
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+#endif
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+
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+
|
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+void OS::Sleep(int milliseconds) {
|
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+ unsigned int ms = static_cast<unsigned int>(milliseconds);
|
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+ usleep(1000 * ms);
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+}
|
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+
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+
|
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+void OS::Abort() {
|
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+ // Redirect to std abort to signal abnormal program termination.
|
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+ abort();
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+}
|
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+
|
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+
|
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+void OS::DebugBreak() {
|
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+// TODO(lrn): Introduce processor define for runtime system (!= V8_ARCH_x,
|
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+// which is the architecture of generated code).
|
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+#if (defined(__arm__) || defined(__thumb__)) && \
|
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+ defined(CAN_USE_ARMV5_INSTRUCTIONS)
|
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+ asm("bkpt 0");
|
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+#elif defined(__mips__)
|
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+ asm("break");
|
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+#else
|
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+ asm("int $3");
|
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+#endif
|
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+}
|
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+
|
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+
|
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+class PosixMemoryMappedFile : public OS::MemoryMappedFile {
|
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+ public:
|
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+ PosixMemoryMappedFile(FILE* file, void* memory, int size)
|
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+ : file_(file), memory_(memory), size_(size) { }
|
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+ virtual ~PosixMemoryMappedFile();
|
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+ virtual void* memory() { return memory_; }
|
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+ private:
|
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+ FILE* file_;
|
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+ void* memory_;
|
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+ int size_;
|
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+};
|
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+
|
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+
|
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+OS::MemoryMappedFile* OS::MemoryMappedFile::create(const char* name, int size,
|
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+ void* initial) {
|
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+ FILE* file = fopen(name, "w+");
|
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+ if (file == NULL) return NULL;
|
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+ int result = fwrite(initial, size, 1, file);
|
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+ if (result < 1) {
|
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+ fclose(file);
|
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+ return NULL;
|
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+ }
|
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+ void* memory =
|
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+ mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, fileno(file), 0);
|
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+ return new PosixMemoryMappedFile(file, memory, size);
|
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+}
|
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+
|
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+
|
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+PosixMemoryMappedFile::~PosixMemoryMappedFile() {
|
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+ if (memory_) munmap(memory_, size_);
|
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+ fclose(file_);
|
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+}
|
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+
|
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+
|
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+void OS::LogSharedLibraryAddresses() {
|
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+#ifdef ENABLE_LOGGING_AND_PROFILING
|
|||
+ // This function assumes that the layout of the file is as follows:
|
|||
+ // hex_start_addr-hex_end_addr rwxp <unused data> [binary_file_name]
|
|||
+ // If we encounter an unexpected situation we abort scanning further entries.
|
|||
+ FILE* fp = fopen("/proc/self/maps", "r");
|
|||
+ if (fp == NULL) return;
|
|||
+
|
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+ // Allocate enough room to be able to store a full file name.
|
|||
+ const int kLibNameLen = FILENAME_MAX + 1;
|
|||
+ char* lib_name = reinterpret_cast<char*>(malloc(kLibNameLen));
|
|||
+
|
|||
+ // This loop will terminate once the scanning hits an EOF.
|
|||
+ while (true) {
|
|||
+ uintptr_t start, end;
|
|||
+ char attr_r, attr_w, attr_x, attr_p;
|
|||
+ // Parse the addresses and permission bits at the beginning of the line.
|
|||
+ if (fscanf(fp, "%" V8PRIxPTR "-%" V8PRIxPTR, &start, &end) != 2) break;
|
|||
+ if (fscanf(fp, " %c%c%c%c", &attr_r, &attr_w, &attr_x, &attr_p) != 4) break;
|
|||
+
|
|||
+ int c;
|
|||
+ if (attr_r == 'r' && attr_w != 'w' && attr_x == 'x') {
|
|||
+ // Found a read-only executable entry. Skip characters until we reach
|
|||
+ // the beginning of the filename or the end of the line.
|
|||
+ do {
|
|||
+ c = getc(fp);
|
|||
+ } while ((c != EOF) && (c != '\n') && (c != '/'));
|
|||
+ if (c == EOF) break; // EOF: Was unexpected, just exit.
|
|||
+
|
|||
+ // Process the filename if found.
|
|||
+ if (c == '/') {
|
|||
+ ungetc(c, fp); // Push the '/' back into the stream to be read below.
|
|||
+
|
|||
+ // Read to the end of the line. Exit if the read fails.
|
|||
+ if (fgets(lib_name, kLibNameLen, fp) == NULL) break;
|
|||
+
|
|||
+ // Drop the newline character read by fgets. We do not need to check
|
|||
+ // for a zero-length string because we know that we at least read the
|
|||
+ // '/' character.
|
|||
+ lib_name[strlen(lib_name) - 1] = '\0';
|
|||
+ } else {
|
|||
+ // No library name found, just record the raw address range.
|
|||
+ snprintf(lib_name, kLibNameLen,
|
|||
+ "%08" V8PRIxPTR "-%08" V8PRIxPTR, start, end);
|
|||
+ }
|
|||
+ LOG(SharedLibraryEvent(lib_name, start, end));
|
|||
+ } else {
|
|||
+ // Entry not describing executable data. Skip to end of line to setup
|
|||
+ // reading the next entry.
|
|||
+ do {
|
|||
+ c = getc(fp);
|
|||
+ } while ((c != EOF) && (c != '\n'));
|
|||
+ if (c == EOF) break;
|
|||
+ }
|
|||
+ }
|
|||
+ free(lib_name);
|
|||
+ fclose(fp);
|
|||
+#endif
|
|||
+}
|
|||
+
|
|||
+
|
|||
+void OS::SignalCodeMovingGC() {
|
|||
+}
|
|||
+
|
|||
+
|
|||
+int OS::StackWalk(Vector<OS::StackFrame> frames) {
|
|||
+ // backtrace is a glibc extension.
|
|||
+#ifdef __GLIBC__
|
|||
+ int frames_size = frames.length();
|
|||
+ ScopedVector<void*> addresses(frames_size);
|
|||
+
|
|||
+ int frames_count = backtrace(addresses.start(), frames_size);
|
|||
+
|
|||
+ char** symbols = backtrace_symbols(addresses.start(), frames_count);
|
|||
+ if (symbols == NULL) {
|
|||
+ return kStackWalkError;
|
|||
+ }
|
|||
+
|
|||
+ for (int i = 0; i < frames_count; i++) {
|
|||
+ frames[i].address = addresses[i];
|
|||
+ // Format a text representation of the frame based on the information
|
|||
+ // available.
|
|||
+ SNPrintF(MutableCStrVector(frames[i].text, kStackWalkMaxTextLen),
|
|||
+ "%s",
|
|||
+ symbols[i]);
|
|||
+ // Make sure line termination is in place.
|
|||
+ frames[i].text[kStackWalkMaxTextLen - 1] = '\0';
|
|||
+ }
|
|||
+
|
|||
+ free(symbols);
|
|||
+
|
|||
+ return frames_count;
|
|||
+#else // ndef __GLIBC__
|
|||
+ return 0;
|
|||
+#endif // ndef __GLIBC__
|
|||
+}
|
|||
+
|
|||
+
|
|||
+// Constants used for mmap.
|
|||
+static const int kMmapFd = -1;
|
|||
+static const int kMmapFdOffset = 0;
|
|||
+
|
|||
+
|
|||
+VirtualMemory::VirtualMemory(size_t size) {
|
|||
+ address_ = mmap(NULL, size, PROT_NONE,
|
|||
+ MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE,
|
|||
+ kMmapFd, kMmapFdOffset);
|
|||
+ size_ = size;
|
|||
+}
|
|||
+
|
|||
+
|
|||
+VirtualMemory::~VirtualMemory() {
|
|||
+ if (IsReserved()) {
|
|||
+ if (0 == munmap(address(), size())) address_ = MAP_FAILED;
|
|||
+ }
|
|||
+}
|
|||
+
|
|||
+
|
|||
+bool VirtualMemory::IsReserved() {
|
|||
+ return address_ != MAP_FAILED;
|
|||
+}
|
|||
+
|
|||
+
|
|||
+bool VirtualMemory::Commit(void* address, size_t size, bool is_executable) {
|
|||
+ int prot = PROT_READ | PROT_WRITE | (is_executable ? PROT_EXEC : 0);
|
|||
+
|
|||
+#ifdef HAS_MAP_FIXED
|
|||
+ if (MAP_FAILED == mmap(address, size, prot,
|
|||
+ MAP_PRIVATE | MAP_ANONYMOUS, // | MAP_FIXED, - Cygwin doesn't have MAP_FIXED
|
|||
+ kMmapFd, kMmapFdOffset)) {
|
|||
+ return false;
|
|||
+ }
|
|||
+#else
|
|||
+ if (mprotect(address, size, prot) != 0) {
|
|||
+ return false;
|
|||
+ }
|
|||
+#endif
|
|||
+
|
|||
+ UpdateAllocatedSpaceLimits(address, size);
|
|||
+ return true;
|
|||
+}
|
|||
+
|
|||
+
|
|||
+bool VirtualMemory::Uncommit(void* address, size_t size) {
|
|||
+ return mmap(address, size, PROT_NONE,
|
|||
+ MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, // | MAP_FIXED, - Cygwin doesn't have MAP_FIXED
|
|||
+ kMmapFd, kMmapFdOffset) != MAP_FAILED;
|
|||
+}
|
|||
+
|
|||
+
|
|||
+class ThreadHandle::PlatformData : public Malloced {
|
|||
+ public:
|
|||
+ explicit PlatformData(ThreadHandle::Kind kind) {
|
|||
+ Initialize(kind);
|
|||
+ }
|
|||
+
|
|||
+ void Initialize(ThreadHandle::Kind kind) {
|
|||
+ switch (kind) {
|
|||
+ case ThreadHandle::SELF: thread_ = pthread_self(); break;
|
|||
+ case ThreadHandle::INVALID: thread_ = kNoThread; break;
|
|||
+ }
|
|||
+ }
|
|||
+
|
|||
+ pthread_t thread_; // Thread handle for pthread.
|
|||
+};
|
|||
+
|
|||
+
|
|||
+ThreadHandle::ThreadHandle(Kind kind) {
|
|||
+ data_ = new PlatformData(kind);
|
|||
+}
|
|||
+
|
|||
+
|
|||
+void ThreadHandle::Initialize(ThreadHandle::Kind kind) {
|
|||
+ data_->Initialize(kind);
|
|||
+}
|
|||
+
|
|||
+
|
|||
+ThreadHandle::~ThreadHandle() {
|
|||
+ delete data_;
|
|||
+}
|
|||
+
|
|||
+
|
|||
+bool ThreadHandle::IsSelf() const {
|
|||
+ return pthread_equal(data_->thread_, pthread_self());
|
|||
+}
|
|||
+
|
|||
+
|
|||
+bool ThreadHandle::IsValid() const {
|
|||
+ return data_->thread_ != kNoThread;
|
|||
+}
|
|||
+
|
|||
+
|
|||
+Thread::Thread() : ThreadHandle(ThreadHandle::INVALID) {
|
|||
+}
|
|||
+
|
|||
+
|
|||
+Thread::~Thread() {
|
|||
+}
|
|||
+
|
|||
+
|
|||
+static void* ThreadEntry(void* arg) {
|
|||
+ Thread* thread = reinterpret_cast<Thread*>(arg);
|
|||
+ // This is also initialized by the first argument to pthread_create() but we
|
|||
+ // don't know which thread will run first (the original thread or the new
|
|||
+ // one) so we initialize it here too.
|
|||
+ thread->thread_handle_data()->thread_ = pthread_self();
|
|||
+ ASSERT(thread->IsValid());
|
|||
+ thread->Run();
|
|||
+ return NULL;
|
|||
+}
|
|||
+
|
|||
+
|
|||
+void Thread::Start() {
|
|||
+ pthread_create(&thread_handle_data()->thread_, NULL, ThreadEntry, this);
|
|||
+ ASSERT(IsValid());
|
|||
+}
|
|||
+
|
|||
+
|
|||
+void Thread::Join() {
|
|||
+ pthread_join(thread_handle_data()->thread_, NULL);
|
|||
+}
|
|||
+
|
|||
+
|
|||
+Thread::LocalStorageKey Thread::CreateThreadLocalKey() {
|
|||
+ pthread_key_t key;
|
|||
+ int result = pthread_key_create(&key, NULL);
|
|||
+ USE(result);
|
|||
+ ASSERT(result == 0);
|
|||
+ return static_cast<LocalStorageKey>(key);
|
|||
+}
|
|||
+
|
|||
+
|
|||
+void Thread::DeleteThreadLocalKey(LocalStorageKey key) {
|
|||
+ pthread_key_t pthread_key = static_cast<pthread_key_t>(key);
|
|||
+ int result = pthread_key_delete(pthread_key);
|
|||
+ USE(result);
|
|||
+ ASSERT(result == 0);
|
|||
+}
|
|||
+
|
|||
+
|
|||
+void* Thread::GetThreadLocal(LocalStorageKey key) {
|
|||
+ pthread_key_t pthread_key = static_cast<pthread_key_t>(key);
|
|||
+ return pthread_getspecific(pthread_key);
|
|||
+}
|
|||
+
|
|||
+
|
|||
+void Thread::SetThreadLocal(LocalStorageKey key, void* value) {
|
|||
+ pthread_key_t pthread_key = static_cast<pthread_key_t>(key);
|
|||
+ pthread_setspecific(pthread_key, value);
|
|||
+}
|
|||
+
|
|||
+
|
|||
+void Thread::YieldCPU() {
|
|||
+ sched_yield();
|
|||
+}
|
|||
+
|
|||
+
|
|||
+class CygwinMutex : public Mutex {
|
|||
+ public:
|
|||
+
|
|||
+ CygwinMutex() {
|
|||
+ pthread_mutexattr_t attrs;
|
|||
+ memset(&attrs, 0, sizeof(attrs));
|
|||
+
|
|||
+ int result = pthread_mutexattr_init(&attrs);
|
|||
+ ASSERT(result == 0);
|
|||
+ result = pthread_mutexattr_settype(&attrs, PTHREAD_MUTEX_RECURSIVE);
|
|||
+ ASSERT(result == 0);
|
|||
+ result = pthread_mutex_init(&mutex_, &attrs);
|
|||
+ ASSERT(result == 0);
|
|||
+ }
|
|||
+
|
|||
+ virtual ~CygwinMutex() { pthread_mutex_destroy(&mutex_); }
|
|||
+
|
|||
+ virtual int Lock() {
|
|||
+ int result = pthread_mutex_lock(&mutex_);
|
|||
+ return result;
|
|||
+ }
|
|||
+
|
|||
+ virtual int Unlock() {
|
|||
+ int result = pthread_mutex_unlock(&mutex_);
|
|||
+ return result;
|
|||
+ }
|
|||
+
|
|||
+ private:
|
|||
+ pthread_mutex_t mutex_; // Pthread mutex for POSIX platforms.
|
|||
+};
|
|||
+
|
|||
+
|
|||
+Mutex* OS::CreateMutex() {
|
|||
+ return new CygwinMutex();
|
|||
+}
|
|||
+
|
|||
+
|
|||
+class CygwinSemaphore : public Semaphore {
|
|||
+ public:
|
|||
+ explicit CygwinSemaphore(int count) { sem_init(&sem_, 0, count); }
|
|||
+ virtual ~CygwinSemaphore() { sem_destroy(&sem_); }
|
|||
+
|
|||
+ virtual void Wait();
|
|||
+ virtual bool Wait(int timeout);
|
|||
+ virtual void Signal() { sem_post(&sem_); }
|
|||
+ private:
|
|||
+ sem_t sem_;
|
|||
+};
|
|||
+
|
|||
+
|
|||
+void CygwinSemaphore::Wait() {
|
|||
+ while (true) {
|
|||
+ int result = sem_wait(&sem_);
|
|||
+ if (result == 0) return; // Successfully got semaphore.
|
|||
+ CHECK(result == -1 && errno == EINTR); // Signal caused spurious wakeup.
|
|||
+ }
|
|||
+}
|
|||
+
|
|||
+
|
|||
+#ifndef TIMEVAL_TO_TIMESPEC
|
|||
+#define TIMEVAL_TO_TIMESPEC(tv, ts) do { \
|
|||
+ (ts)->tv_sec = (tv)->tv_sec; \
|
|||
+ (ts)->tv_nsec = (tv)->tv_usec * 1000; \
|
|||
+} while (false)
|
|||
+#endif
|
|||
+
|
|||
+
|
|||
+bool CygwinSemaphore::Wait(int timeout) {
|
|||
+ const long kOneSecondMicros = 1000000; // NOLINT
|
|||
+
|
|||
+ // Split timeout into second and nanosecond parts.
|
|||
+ struct timeval delta;
|
|||
+ delta.tv_usec = timeout % kOneSecondMicros;
|
|||
+ delta.tv_sec = timeout / kOneSecondMicros;
|
|||
+
|
|||
+ struct timeval current_time;
|
|||
+ // Get the current time.
|
|||
+ if (gettimeofday(¤t_time, NULL) == -1) {
|
|||
+ return false;
|
|||
+ }
|
|||
+
|
|||
+ // Calculate time for end of timeout.
|
|||
+ struct timeval end_time;
|
|||
+ timeradd(¤t_time, &delta, &end_time);
|
|||
+
|
|||
+ struct timespec ts;
|
|||
+ TIMEVAL_TO_TIMESPEC(&end_time, &ts);
|
|||
+ // Wait for semaphore signalled or timeout.
|
|||
+ while (true) {
|
|||
+ int result = sem_timedwait(&sem_, &ts);
|
|||
+ if (result == 0) return true; // Successfully got semaphore.
|
|||
+ if (result > 0) {
|
|||
+ // For glibc prior to 2.3.4 sem_timedwait returns the error instead of -1.
|
|||
+ errno = result;
|
|||
+ result = -1;
|
|||
+ }
|
|||
+ if (result == -1 && errno == ETIMEDOUT) return false; // Timeout.
|
|||
+ CHECK(result == -1 && errno == EINTR); // Signal caused spurious wakeup.
|
|||
+ }
|
|||
+}
|
|||
+
|
|||
+
|
|||
+Semaphore* OS::CreateSemaphore(int count) {
|
|||
+ return new CygwinSemaphore(count);
|
|||
+}
|
|||
+
|
|||
+
|
|||
+#ifdef ENABLE_LOGGING_AND_PROFILING
|
|||
+
|
|||
+static Sampler* active_sampler_ = NULL;
|
|||
+static pthread_t vm_thread_ = 0;
|
|||
+
|
|||
+
|
|||
+#if !defined(__GLIBC__) && (defined(__arm__) || defined(__thumb__))
|
|||
+// Android runs a fairly new Linux kernel, so signal info is there,
|
|||
+// but the C library doesn't have the structs defined.
|
|||
+
|
|||
+struct sigcontext {
|
|||
+ uint32_t trap_no;
|
|||
+ uint32_t error_code;
|
|||
+ uint32_t oldmask;
|
|||
+ uint32_t gregs[16];
|
|||
+ uint32_t arm_cpsr;
|
|||
+ uint32_t fault_address;
|
|||
+};
|
|||
+typedef uint32_t __sigset_t;
|
|||
+typedef struct sigcontext mcontext_t;
|
|||
+typedef struct ucontext {
|
|||
+ uint32_t uc_flags;
|
|||
+ struct ucontext* uc_link;
|
|||
+ stack_t uc_stack;
|
|||
+ mcontext_t uc_mcontext;
|
|||
+ __sigset_t uc_sigmask;
|
|||
+} ucontext_t;
|
|||
+enum ArmRegisters {R15 = 15, R13 = 13, R11 = 11};
|
|||
+
|
|||
+#endif
|
|||
+
|
|||
+
|
|||
+// A function that determines if a signal handler is called in the context
|
|||
+// of a VM thread.
|
|||
+//
|
|||
+// The problem is that SIGPROF signal can be delivered to an arbitrary thread
|
|||
+// (see http://code.google.com/p/google-perftools/issues/detail?id=106#c2)
|
|||
+// So, if the signal is being handled in the context of a non-VM thread,
|
|||
+// it means that the VM thread is running, and trying to sample its stack can
|
|||
+// cause a crash.
|
|||
+static inline bool IsVmThread() {
|
|||
+ // In the case of a single VM thread, this check is enough.
|
|||
+ if (pthread_equal(pthread_self(), vm_thread_)) return true;
|
|||
+ // If there are multiple threads that use VM, they must have a thread id
|
|||
+ // stored in TLS. To verify that the thread is really executing VM,
|
|||
+ // we check Top's data. Having that ThreadManager::RestoreThread first
|
|||
+ // restores ThreadLocalTop from TLS, and only then erases the TLS value,
|
|||
+ // reading Top::thread_id() should not be affected by races.
|
|||
+ if (ThreadManager::HasId() && !ThreadManager::IsArchived() &&
|
|||
+ ThreadManager::CurrentId() == Top::thread_id()) {
|
|||
+ return true;
|
|||
+ }
|
|||
+ return false;
|
|||
+}
|
|||
+
|
|||
+
|
|||
+static void ProfilerSignalHandler(int signal, siginfo_t* info, void* context) {
|
|||
+#ifndef V8_HOST_ARCH_MIPS
|
|||
+ USE(info);
|
|||
+ if (signal != SIGPROF) return;
|
|||
+ if (active_sampler_ == NULL) return;
|
|||
+
|
|||
+ TickSample sample_obj;
|
|||
+ TickSample* sample = CpuProfiler::TickSampleEvent();
|
|||
+ if (sample == NULL) sample = &sample_obj;
|
|||
+
|
|||
+ // We always sample the VM state.
|
|||
+ sample->state = VMState::current_state();
|
|||
+
|
|||
+#if 0
|
|||
+ // If profiling, we extract the current pc and sp.
|
|||
+ if (active_sampler_->IsProfiling()) {
|
|||
+ // Extracting the sample from the context is extremely machine dependent.
|
|||
+ ucontext_t* ucontext = reinterpret_cast<ucontext_t*>(context);
|
|||
+ mcontext_t& mcontext = ucontext->uc_mcontext;
|
|||
+#if V8_HOST_ARCH_IA32
|
|||
+ sample->pc = reinterpret_cast<Address>(mcontext.gregs[REG_EIP]);
|
|||
+ sample->sp = reinterpret_cast<Address>(mcontext.gregs[REG_ESP]);
|
|||
+ sample->fp = reinterpret_cast<Address>(mcontext.gregs[REG_EBP]);
|
|||
+#elif V8_HOST_ARCH_X64
|
|||
+ sample->pc = reinterpret_cast<Address>(mcontext.gregs[REG_RIP]);
|
|||
+ sample->sp = reinterpret_cast<Address>(mcontext.gregs[REG_RSP]);
|
|||
+ sample->fp = reinterpret_cast<Address>(mcontext.gregs[REG_RBP]);
|
|||
+#elif V8_HOST_ARCH_ARM
|
|||
+// An undefined macro evaluates to 0, so this applies to Android's Bionic also.
|
|||
+#if (__GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ <= 3))
|
|||
+ sample->pc = reinterpret_cast<Address>(mcontext.gregs[R15]);
|
|||
+ sample->sp = reinterpret_cast<Address>(mcontext.gregs[R13]);
|
|||
+ sample->fp = reinterpret_cast<Address>(mcontext.gregs[R11]);
|
|||
+#else
|
|||
+ sample->pc = reinterpret_cast<Address>(mcontext.arm_pc);
|
|||
+ sample->sp = reinterpret_cast<Address>(mcontext.arm_sp);
|
|||
+ sample->fp = reinterpret_cast<Address>(mcontext.arm_fp);
|
|||
+#endif
|
|||
+#elif V8_HOST_ARCH_MIPS
|
|||
+ // Implement this on MIPS.
|
|||
+ UNIMPLEMENTED();
|
|||
+#endif
|
|||
+ if (IsVmThread()) {
|
|||
+ active_sampler_->SampleStack(sample);
|
|||
+ }
|
|||
+ }
|
|||
+#endif
|
|||
+
|
|||
+ active_sampler_->Tick(sample);
|
|||
+#endif
|
|||
+}
|
|||
+
|
|||
+
|
|||
+class Sampler::PlatformData : public Malloced {
|
|||
+ public:
|
|||
+ PlatformData() {
|
|||
+ signal_handler_installed_ = false;
|
|||
+ }
|
|||
+
|
|||
+ bool signal_handler_installed_;
|
|||
+ struct sigaction old_signal_handler_;
|
|||
+ struct itimerval old_timer_value_;
|
|||
+};
|
|||
+
|
|||
+
|
|||
+Sampler::Sampler(int interval, bool profiling)
|
|||
+ : interval_(interval),
|
|||
+ profiling_(profiling),
|
|||
+ synchronous_(profiling),
|
|||
+ active_(false) {
|
|||
+ data_ = new PlatformData();
|
|||
+}
|
|||
+
|
|||
+
|
|||
+Sampler::~Sampler() {
|
|||
+ delete data_;
|
|||
+}
|
|||
+
|
|||
+
|
|||
+void Sampler::Start() {
|
|||
+ // There can only be one active sampler at the time on POSIX
|
|||
+ // platforms.
|
|||
+ if (active_sampler_ != NULL) return;
|
|||
+
|
|||
+ vm_thread_ = pthread_self();
|
|||
+
|
|||
+ // Request profiling signals.
|
|||
+ struct sigaction sa;
|
|||
+ sa.sa_sigaction = ProfilerSignalHandler;
|
|||
+ sigemptyset(&sa.sa_mask);
|
|||
+ sa.sa_flags = SA_SIGINFO;
|
|||
+ if (sigaction(SIGPROF, &sa, &data_->old_signal_handler_) != 0) return;
|
|||
+ data_->signal_handler_installed_ = true;
|
|||
+
|
|||
+ // Set the itimer to generate a tick for each interval.
|
|||
+ itimerval itimer;
|
|||
+ itimer.it_interval.tv_sec = interval_ / 1000;
|
|||
+ itimer.it_interval.tv_usec = (interval_ % 1000) * 1000;
|
|||
+ itimer.it_value.tv_sec = itimer.it_interval.tv_sec;
|
|||
+ itimer.it_value.tv_usec = itimer.it_interval.tv_usec;
|
|||
+ setitimer(ITIMER_PROF, &itimer, &data_->old_timer_value_);
|
|||
+
|
|||
+ // Set this sampler as the active sampler.
|
|||
+ active_sampler_ = this;
|
|||
+ active_ = true;
|
|||
+}
|
|||
+
|
|||
+
|
|||
+void Sampler::Stop() {
|
|||
+ // Restore old signal handler
|
|||
+ if (data_->signal_handler_installed_) {
|
|||
+ setitimer(ITIMER_PROF, &data_->old_timer_value_, NULL);
|
|||
+ sigaction(SIGPROF, &data_->old_signal_handler_, 0);
|
|||
+ data_->signal_handler_installed_ = false;
|
|||
+ }
|
|||
+
|
|||
+ // This sampler is no longer the active sampler.
|
|||
+ active_sampler_ = NULL;
|
|||
+ active_ = false;
|
|||
+}
|
|||
+
|
|||
+
|
|||
+#endif // ENABLE_LOGGING_AND_PROFILING
|
|||
+
|
|||
+} } // namespace v8::internal
|
|||
diff --git a/src/platform.h b/src/platform.h
|
|||
index 42e6eae..c4ef230 100644
|
|||
--- a/src/platform.h
|
|||
+++ b/src/platform.h
|
|||
@@ -367,6 +367,7 @@ class ThreadHandle {
|
|||
|
|||
class Thread: public ThreadHandle { |
|||
public: |
|||
+#ifndef __CYGWIN__
|
|||
// Opaque data type for thread-local storage keys. |
|||
// LOCAL_STORAGE_KEY_MIN_VALUE and LOCAL_STORAGE_KEY_MAX_VALUE are specified |
|||
// to ensure that enumeration type has correct value range (see Issue 830 for |
|||
@@ -375,6 +376,10 @@ class Thread: public ThreadHandle {
|
|||
LOCAL_STORAGE_KEY_MIN_VALUE = kMinInt, |
|||
LOCAL_STORAGE_KEY_MAX_VALUE = kMaxInt |
|||
}; |
|||
+#else
|
|||
+ typedef void *LocalStorageKey;
|
|||
+#endif
|
|||
+
|
|||
|
|||
// Create new thread. |
|||
Thread(); |
|||
diff --git a/src/utils.h b/src/utils.h
|
|||
index ffdb639..0521767 100644
|
|||
--- a/src/utils.h
|
|||
+++ b/src/utils.h
|
|||
@@ -963,7 +963,7 @@ inline Dest BitCast(const Source& source) {
|
|||
} |
|||
|
|||
template <class Dest, class Source> |
|||
-inline Dest BitCast(Source* source) {
|
|||
+inline Dest BitCast(Source*& source) {
|
|||
return BitCast<Dest>(reinterpret_cast<uintptr_t>(source)); |
|||
} |
|||
|
|||
diff --git a/tools/utils.py b/tools/utils.py
|
|||
index 8083091..7733157 100644
|
|||
--- a/tools/utils.py
|
|||
+++ b/tools/utils.py
|
|||
@@ -59,6 +59,8 @@ def GuessOS():
|
|||
return 'openbsd' |
|||
elif id == 'SunOS': |
|||
return 'solaris' |
|||
+ elif id.find('CYGWIN') >= 0:
|
|||
+ return 'cygwin'
|
|||
else: |
|||
return None |
|||
|
|||
--
|
|||
1.7.2 |
|||
|
@ -1,103 +0,0 @@ |
|||
From 2a40926a1e1c8d385afefc1fe5255e21cc1a8f1e Mon Sep 17 00:00:00 2001 |
|||
From: Ryan Dahl <ry@tinyclouds.org> |
|||
Date: Thu, 16 Dec 2010 22:20:44 +0000 |
|||
Subject: [PATCH] Fix Solaris build |
|||
|
|||
---
|
|||
src/platform-solaris.cc | 49 ++++++++++++++++++++++++++++++++++++---------- |
|||
src/v8utils.h | 1 + |
|||
2 files changed, 39 insertions(+), 11 deletions(-) |
|||
|
|||
diff --git a/src/platform-solaris.cc b/src/platform-solaris.cc
|
|||
index f84e80d..b302c59 100644
|
|||
--- a/src/platform-solaris.cc
|
|||
+++ b/src/platform-solaris.cc
|
|||
@@ -45,6 +45,7 @@
|
|||
#include <errno.h> |
|||
#include <ieeefp.h> // finite() |
|||
#include <signal.h> // sigemptyset(), etc |
|||
+#include <sys/kdi_regs.h>
|
|||
|
|||
|
|||
#undef MAP_TYPE |
|||
@@ -481,6 +482,16 @@ class SolarisMutex : public Mutex {
|
|||
|
|||
int Unlock() { return pthread_mutex_unlock(&mutex_); } |
|||
|
|||
+ virtual bool TryLock() {
|
|||
+ int result = pthread_mutex_trylock(&mutex_);
|
|||
+ // Return false if the lock is busy and locking failed.
|
|||
+ if (result == EBUSY) {
|
|||
+ return false;
|
|||
+ }
|
|||
+ ASSERT(result == 0); // Verify no other errors.
|
|||
+ return true;
|
|||
+ }
|
|||
+
|
|||
private: |
|||
pthread_mutex_t mutex_; |
|||
}; |
|||
@@ -572,21 +583,37 @@ Semaphore* OS::CreateSemaphore(int count) {
|
|||
#ifdef ENABLE_LOGGING_AND_PROFILING |
|||
|
|||
static Sampler* active_sampler_ = NULL; |
|||
+static pthread_t vm_tid_ = 0;
|
|||
+
|
|||
|
|||
static void ProfilerSignalHandler(int signal, siginfo_t* info, void* context) { |
|||
USE(info); |
|||
if (signal != SIGPROF) return; |
|||
- if (active_sampler_ == NULL) return;
|
|||
-
|
|||
- TickSample sample;
|
|||
- sample.pc = 0;
|
|||
- sample.sp = 0;
|
|||
- sample.fp = 0;
|
|||
-
|
|||
- // We always sample the VM state.
|
|||
- sample.state = VMState::current_state();
|
|||
-
|
|||
- active_sampler_->Tick(&sample);
|
|||
+ if (active_sampler_ == NULL || !active_sampler_->IsActive()) return;
|
|||
+ if (vm_tid_ != pthread_self()) return;
|
|||
+
|
|||
+ TickSample sample_obj;
|
|||
+ TickSample* sample = CpuProfiler::TickSampleEvent();
|
|||
+ if (sample == NULL) sample = &sample_obj;
|
|||
+
|
|||
+ // Extracting the sample from the context is extremely machine dependent.
|
|||
+ ucontext_t* ucontext = reinterpret_cast<ucontext_t*>(context);
|
|||
+ mcontext_t& mcontext = ucontext->uc_mcontext;
|
|||
+ sample->state = Top::current_vm_state();
|
|||
+
|
|||
+#if V8_HOST_ARCH_IA32
|
|||
+ sample->pc = reinterpret_cast<Address>(mcontext.gregs[KDIREG_EIP]);
|
|||
+ sample->sp = reinterpret_cast<Address>(mcontext.gregs[KDIREG_ESP]);
|
|||
+ sample->fp = reinterpret_cast<Address>(mcontext.gregs[KDIREG_EBP]);
|
|||
+#elif V8_HOST_ARCH_X64
|
|||
+ sample->pc = reinterpret_cast<Address>(mcontext.gregs[KDIREG_RIP]);
|
|||
+ sample->sp = reinterpret_cast<Address>(mcontext.gregs[KDIREG_RSP]);
|
|||
+ sample->fp = reinterpret_cast<Address>(mcontext.gregs[KDIREG_RBP]);
|
|||
+#else
|
|||
+ UNIMPLEMENTED();
|
|||
+#endif
|
|||
+ active_sampler_->SampleStack(sample);
|
|||
+ active_sampler_->Tick(sample);
|
|||
} |
|||
|
|||
|
|||
diff --git a/src/v8utils.h b/src/v8utils.h
|
|||
index f6ed520..59b3898 100644
|
|||
--- a/src/v8utils.h
|
|||
+++ b/src/v8utils.h
|
|||
@@ -29,6 +29,7 @@
|
|||
#define V8_V8UTILS_H_ |
|||
|
|||
#include "utils.h" |
|||
+#include <stdarg.h>
|
|||
|
|||
namespace v8 { |
|||
namespace internal { |
|||
--
|
|||
1.6.3.3 |
|||
|
File diff suppressed because it is too large
@ -0,0 +1,50 @@ |
|||
# Copyright 2011 the V8 project authors. All rights reserved. |
|||
# Redistribution and use in source and binary forms, with or without |
|||
# modification, are permitted provided that the following conditions are |
|||
# met: |
|||
# |
|||
# * Redistributions of source code must retain the above copyright |
|||
# notice, this list of conditions and the following disclaimer. |
|||
# * Redistributions in binary form must reproduce the above |
|||
# copyright notice, this list of conditions and the following |
|||
# disclaimer in the documentation and/or other materials provided |
|||
# with the distribution. |
|||
# * Neither the name of Google Inc. nor the names of its |
|||
# contributors may be used to endorse or promote products derived |
|||
# from this software without specific prior written permission. |
|||
# |
|||
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
|||
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|||
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
|||
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
|||
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|||
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
|||
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
|||
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
|||
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|||
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
|||
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|||
|
|||
{ |
|||
'variables': { |
|||
'icu_src_dir%': '', |
|||
}, |
|||
'targets': [ |
|||
{ |
|||
'target_name': 'i18n_api', |
|||
'type': 'static_library', |
|||
'sources': [ |
|||
'i18n-extension.cc', |
|||
'i18n-extension.h', |
|||
], |
|||
'include_dirs': [ |
|||
'<(icu_src_dir)/public/common', |
|||
'../..', |
|||
], |
|||
'dependencies': [ |
|||
'<(icu_src_dir)/icu.gyp:*', |
|||
'../../../tools/gyp/v8.gyp:v8', |
|||
], |
|||
}, |
|||
], # targets |
|||
} |
File diff suppressed because it is too large
File diff suppressed because it is too large
@ -0,0 +1,93 @@ |
|||
// Copyright 2011 the V8 project authors. All rights reserved.
|
|||
// Redistribution and use in source and binary forms, with or without
|
|||
// modification, are permitted provided that the following conditions are
|
|||
// met:
|
|||
//
|
|||
// * Redistributions of source code must retain the above copyright
|
|||
// notice, this list of conditions and the following disclaimer.
|
|||
// * Redistributions in binary form must reproduce the above
|
|||
// copyright notice, this list of conditions and the following
|
|||
// disclaimer in the documentation and/or other materials provided
|
|||
// with the distribution.
|
|||
// * Neither the name of Google Inc. nor the names of its
|
|||
// contributors may be used to endorse or promote products derived
|
|||
// from this software without specific prior written permission.
|
|||
//
|
|||
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|||
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|||
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|||
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|||
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|||
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|||
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|||
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|||
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|||
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|||
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|||
|
|||
#include "lithium.h" |
|||
|
|||
namespace v8 { |
|||
namespace internal { |
|||
|
|||
bool LParallelMove::IsRedundant() const { |
|||
for (int i = 0; i < move_operands_.length(); ++i) { |
|||
if (!move_operands_[i].IsRedundant()) return false; |
|||
} |
|||
return true; |
|||
} |
|||
|
|||
|
|||
void LParallelMove::PrintDataTo(StringStream* stream) const { |
|||
for (int i = move_operands_.length() - 1; i >= 0; --i) { |
|||
if (!move_operands_[i].IsEliminated()) { |
|||
LOperand* from = move_operands_[i].from(); |
|||
LOperand* to = move_operands_[i].to(); |
|||
if (from->Equals(to)) { |
|||
to->PrintTo(stream); |
|||
} else { |
|||
to->PrintTo(stream); |
|||
stream->Add(" = "); |
|||
from->PrintTo(stream); |
|||
} |
|||
stream->Add("; "); |
|||
} |
|||
} |
|||
} |
|||
|
|||
|
|||
void LEnvironment::PrintTo(StringStream* stream) { |
|||
stream->Add("[id=%d|", ast_id()); |
|||
stream->Add("[parameters=%d|", parameter_count()); |
|||
stream->Add("[arguments_stack_height=%d|", arguments_stack_height()); |
|||
for (int i = 0; i < values_.length(); ++i) { |
|||
if (i != 0) stream->Add(";"); |
|||
if (values_[i] == NULL) { |
|||
stream->Add("[hole]"); |
|||
} else { |
|||
values_[i]->PrintTo(stream); |
|||
} |
|||
} |
|||
stream->Add("]"); |
|||
} |
|||
|
|||
|
|||
void LPointerMap::RecordPointer(LOperand* op) { |
|||
// Do not record arguments as pointers.
|
|||
if (op->IsStackSlot() && op->index() < 0) return; |
|||
ASSERT(!op->IsDoubleRegister() && !op->IsDoubleStackSlot()); |
|||
pointer_operands_.Add(op); |
|||
} |
|||
|
|||
|
|||
void LPointerMap::PrintTo(StringStream* stream) { |
|||
stream->Add("{"); |
|||
for (int i = 0; i < pointer_operands_.length(); ++i) { |
|||
if (i != 0) stream->Add(";"); |
|||
pointer_operands_[i]->PrintTo(stream); |
|||
} |
|||
stream->Add("} @%d", position()); |
|||
} |
|||
|
|||
|
|||
} } // namespace v8::internal
|
@ -0,0 +1,169 @@ |
|||
// Copyright 2011 the V8 project authors. All rights reserved.
|
|||
// Redistribution and use in source and binary forms, with or without
|
|||
// modification, are permitted provided that the following conditions are
|
|||
// met:
|
|||
//
|
|||
// * Redistributions of source code must retain the above copyright
|
|||
// notice, this list of conditions and the following disclaimer.
|
|||
// * Redistributions in binary form must reproduce the above
|
|||
// copyright notice, this list of conditions and the following
|
|||
// disclaimer in the documentation and/or other materials provided
|
|||
// with the distribution.
|
|||
// * Neither the name of Google Inc. nor the names of its
|
|||
// contributors may be used to endorse or promote products derived
|
|||
// from this software without specific prior written permission.
|
|||
//
|
|||
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|||
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|||
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|||
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|||
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|||
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|||
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|||
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|||
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|||
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|||
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|||
|
|||
#ifndef V8_LITHIUM_H_ |
|||
#define V8_LITHIUM_H_ |
|||
|
|||
#include "hydrogen.h" |
|||
#include "lithium-allocator.h" |
|||
#include "safepoint-table.h" |
|||
|
|||
namespace v8 { |
|||
namespace internal { |
|||
|
|||
class LCodeGen; |
|||
class Translation; |
|||
|
|||
class LParallelMove : public ZoneObject { |
|||
public: |
|||
LParallelMove() : move_operands_(4) { } |
|||
|
|||
void AddMove(LOperand* from, LOperand* to) { |
|||
move_operands_.Add(LMoveOperands(from, to)); |
|||
} |
|||
|
|||
bool IsRedundant() const; |
|||
|
|||
const ZoneList<LMoveOperands>* move_operands() const { |
|||
return &move_operands_; |
|||
} |
|||
|
|||
void PrintDataTo(StringStream* stream) const; |
|||
|
|||
private: |
|||
ZoneList<LMoveOperands> move_operands_; |
|||
}; |
|||
|
|||
|
|||
class LPointerMap: public ZoneObject { |
|||
public: |
|||
explicit LPointerMap(int position) |
|||
: pointer_operands_(8), position_(position), lithium_position_(-1) { } |
|||
|
|||
const ZoneList<LOperand*>* operands() const { return &pointer_operands_; } |
|||
int position() const { return position_; } |
|||
int lithium_position() const { return lithium_position_; } |
|||
|
|||
void set_lithium_position(int pos) { |
|||
ASSERT(lithium_position_ == -1); |
|||
lithium_position_ = pos; |
|||
} |
|||
|
|||
void RecordPointer(LOperand* op); |
|||
void PrintTo(StringStream* stream); |
|||
|
|||
private: |
|||
ZoneList<LOperand*> pointer_operands_; |
|||
int position_; |
|||
int lithium_position_; |
|||
}; |
|||
|
|||
|
|||
class LEnvironment: public ZoneObject { |
|||
public: |
|||
LEnvironment(Handle<JSFunction> closure, |
|||
int ast_id, |
|||
int parameter_count, |
|||
int argument_count, |
|||
int value_count, |
|||
LEnvironment* outer) |
|||
: closure_(closure), |
|||
arguments_stack_height_(argument_count), |
|||
deoptimization_index_(Safepoint::kNoDeoptimizationIndex), |
|||
translation_index_(-1), |
|||
ast_id_(ast_id), |
|||
parameter_count_(parameter_count), |
|||
values_(value_count), |
|||
representations_(value_count), |
|||
spilled_registers_(NULL), |
|||
spilled_double_registers_(NULL), |
|||
outer_(outer) { |
|||
} |
|||
|
|||
Handle<JSFunction> closure() const { return closure_; } |
|||
int arguments_stack_height() const { return arguments_stack_height_; } |
|||
int deoptimization_index() const { return deoptimization_index_; } |
|||
int translation_index() const { return translation_index_; } |
|||
int ast_id() const { return ast_id_; } |
|||
int parameter_count() const { return parameter_count_; } |
|||
LOperand** spilled_registers() const { return spilled_registers_; } |
|||
LOperand** spilled_double_registers() const { |
|||
return spilled_double_registers_; |
|||
} |
|||
const ZoneList<LOperand*>* values() const { return &values_; } |
|||
LEnvironment* outer() const { return outer_; } |
|||
|
|||
void AddValue(LOperand* operand, Representation representation) { |
|||
values_.Add(operand); |
|||
representations_.Add(representation); |
|||
} |
|||
|
|||
bool HasTaggedValueAt(int index) const { |
|||
return representations_[index].IsTagged(); |
|||
} |
|||
|
|||
void Register(int deoptimization_index, int translation_index) { |
|||
ASSERT(!HasBeenRegistered()); |
|||
deoptimization_index_ = deoptimization_index; |
|||
translation_index_ = translation_index; |
|||
} |
|||
bool HasBeenRegistered() const { |
|||
return deoptimization_index_ != Safepoint::kNoDeoptimizationIndex; |
|||
} |
|||
|
|||
void SetSpilledRegisters(LOperand** registers, |
|||
LOperand** double_registers) { |
|||
spilled_registers_ = registers; |
|||
spilled_double_registers_ = double_registers; |
|||
} |
|||
|
|||
void PrintTo(StringStream* stream); |
|||
|
|||
private: |
|||
Handle<JSFunction> closure_; |
|||
int arguments_stack_height_; |
|||
int deoptimization_index_; |
|||
int translation_index_; |
|||
int ast_id_; |
|||
int parameter_count_; |
|||
ZoneList<LOperand*> values_; |
|||
ZoneList<Representation> representations_; |
|||
|
|||
// Allocation index indexed arrays of spill slot operands for registers
|
|||
// that are also in spill slots at an OSR entry. NULL for environments
|
|||
// that do not correspond to an OSR entry.
|
|||
LOperand** spilled_registers_; |
|||
LOperand** spilled_double_registers_; |
|||
|
|||
LEnvironment* outer_; |
|||
|
|||
friend class LCodegen; |
|||
}; |
|||
|
|||
} } // namespace v8::internal
|
|||
|
|||
#endif // V8_LITHIUM_H_
|
Some files were not shown because too many files changed in this diff
Loading…
Reference in new issue