Remove dependency from platform files on v8.h

src/platform-openbsd.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Platform-specific code for OpenBSD and NetBSD goes here. For the
 // POSIX-compatible parts, the implementation is in platform-posix.cc.
 
 #include <pthread.h>
 #include <semaphore.h>
 #include <signal.h>
 #include <stdlib.h>
 #include <sys/resource.h>
 #include <sys/syscall.h>
 #include <sys/time.h>
 #include <sys/types.h>
 
 #include <errno.h>
 #include <fcntl.h>      // open
 #include <stdarg.h>
 #include <strings.h>    // index
 #include <sys/mman.h>   // mmap & munmap
 #include <sys/stat.h>   // open
 #include <sys/types.h>  // mmap & munmap
 #include <unistd.h>     // sysconf
 
+#include <cmath>
+
 #undef MAP_TYPE
 
-#include "src/v8.h"
-
 #include "src/platform.h"
+#include "src/utils.h"
 
 
 namespace v8 {
 namespace internal {
 
 
 const char* OS::LocalTimezone(double time, TimezoneCache* cache) {
   if (std::isnan(time)) return "";
   time_t tv = static_cast<time_t>(std::floor(time/msPerSecond));
   struct tm* t = localtime(&tv);
@@ skipping 136 matching lines @@
 void OS::SignalCodeMovingGC() {
   // Support for ll_prof.py.
   //
   // The Linux profiler built into the kernel logs all mmap's with
   // PROT_EXEC so that analysis tools can properly attribute ticks. We
   // do a mmap with a name known by ll_prof.py and immediately munmap
   // it. This injects a GC marker into the stream of events generated
   // by the kernel and allows us to synchronize V8 code log and the
   // kernel log.
   int size = sysconf(_SC_PAGESIZE);
-  FILE* f = fopen(FLAG_gc_fake_mmap, "w+");
+  FILE* f = fopen(OS::GetGCFakeMMapFile(), "w+");
   if (f == NULL) {
-    OS::PrintError("Failed to open %s\n", FLAG_gc_fake_mmap);
+    OS::PrintError("Failed to open %s\n", OS::GetGCFakeMMapFile());
     OS::Abort();
   }
   void* addr = mmap(NULL, size, PROT_READ | PROT_EXEC, MAP_PRIVATE,
                     fileno(f), 0);
   ASSERT(addr != MAP_FAILED);
   OS::Free(addr, size);
   fclose(f);
 }
 
 
@@ skipping 16 matching lines @@
   size_t request_size = RoundUp(size + alignment,
                                 static_cast<intptr_t>(OS::AllocateAlignment()));
   void* reservation = mmap(OS::GetRandomMmapAddr(),
                            request_size,
                            PROT_NONE,
                            MAP_PRIVATE | MAP_ANON | MAP_NORESERVE,
                            kMmapFd,
                            kMmapFdOffset);
   if (reservation == MAP_FAILED) return;
 
-  Address base = static_cast<Address>(reservation);
-  Address aligned_base = RoundUp(base, alignment);
+  uint8_t* base = static_cast<uint8_t*>(reservation);
+  uint8_t* aligned_base = RoundUp(base, alignment);
   ASSERT_LE(base, aligned_base);
 
   // Unmap extra memory reserved before and after the desired block.
   if (aligned_base != base) {
     size_t prefix_size = static_cast<size_t>(aligned_base - base);
     OS::Free(base, prefix_size);
     request_size -= prefix_size;
   }
 
   size_t aligned_size = RoundUp(size, OS::AllocateAlignment());
@@ skipping 90 matching lines @@
   return munmap(base, size) == 0;
 }
 
 
 bool VirtualMemory::HasLazyCommits() {
   // TODO(alph): implement for the platform.
   return false;
 }
 
 } }  // namespace v8::internal