--- /dev/null
+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
+