Revert of Introduce mkgrokdump to update tools/v8heapconst.py.

test/mkgrokdump/mkgrokdump.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.
-
-#include <stdio.h>
-
-#include "include/libplatform/libplatform.h"
-#include "include/v8.h"
-
-#include "src/frames.h"
-#include "src/heap/heap.h"
-#include "src/heap/spaces.h"
-#include "src/isolate.h"
-#include "src/objects-inl.h"
-
-namespace v8 {
-
-static const char* kHeader =
-    "# Copyright 2017 the V8 project authors. All rights reserved.\n"
-    "# Use of this source code is governed by a BSD-style license that can\n"
-    "# be found in the LICENSE file.\n"
-    "\n"
-    "# This file is automatically generated by mkgrokdump and should not\n"
-    "# be modified manually.\n"
-    "\n"
-    "# List of known V8 instance types.\n";
-
-// Non-snapshot builds allocate objects to different places.
-// Debug builds emit debug code, affecting code object sizes.
-#if defined(V8_USE_SNAPSHOT) && !defined(DEBUG)
-static const char* kBuild = "shipping";
-#else
-static const char* kBuild = "non-shipping";
-#endif
-
-class MockArrayBufferAllocator : public v8::ArrayBuffer::Allocator {
- public:
-  void* Allocate(size_t length) override { return nullptr; }
-  void* AllocateUninitialized(size_t length) override { return nullptr; }
-  void Free(void* p, size_t) override {}
-};
-
-static int DumpHeapConstants(const char* argv0) {
-  // Start up V8.
-  v8::Platform* platform = v8::platform::CreateDefaultPlatform();
-  v8::V8::InitializePlatform(platform);
-  v8::V8::Initialize();
-  v8::V8::InitializeExternalStartupData(argv0);
-  Isolate::CreateParams create_params;
-  MockArrayBufferAllocator mock_arraybuffer_allocator;
-  create_params.array_buffer_allocator = &mock_arraybuffer_allocator;
-  Isolate* isolate = Isolate::New(create_params);
-  {
-    Isolate::Scope scope(isolate);
-    i::Heap* heap = reinterpret_cast<i::Isolate*>(isolate)->heap();
-    printf("%s", kHeader);
-#define DUMP_TYPE(T) printf("  %d: \"%s\",\n", i::T, #T);
-    printf("INSTANCE_TYPES = {\n");
-    INSTANCE_TYPE_LIST(DUMP_TYPE)
-    printf("}\n");
-#undef DUMP_TYPE
-
-    // Dump the KNOWN_MAP table to the console.
-    printf("\n# List of known V8 maps.\n");
-#define ROOT_LIST_CASE(type, name, camel_name) \
-  if (n == NULL && o == heap->name()) n = #camel_name;
-#define STRUCT_LIST_CASE(upper_name, camel_name, name) \
-  if (n == NULL && o == heap->name##_map()) n = #camel_name "Map";
-    i::HeapObjectIterator it(heap->map_space());
-    printf("KNOWN_MAPS = {\n");
-    for (i::Object* o = it.Next(); o != NULL; o = it.Next()) {
-      i::Map* m = i::Map::cast(o);
-      const char* n = NULL;
-      intptr_t p = reinterpret_cast<intptr_t>(m) & 0x7ffff;
-      int t = m->instance_type();
-      ROOT_LIST(ROOT_LIST_CASE)
-      STRUCT_LIST(STRUCT_LIST_CASE)
-      if (n == NULL) continue;
-      printf("  0x%05" V8PRIxPTR ": (%d, \"%s\"),\n", p, t, n);
-    }
-    printf("}\n");
-#undef STRUCT_LIST_CASE
-#undef ROOT_LIST_CASE
-
-    // Dump the KNOWN_OBJECTS table to the console.
-    printf("\n# List of known V8 objects.\n");
-#define ROOT_LIST_CASE(type, name, camel_name) \
-  if (n == NULL && o == heap->name()) {        \
-    n = #camel_name;                           \
-    i = i::Heap::k##camel_name##RootIndex;     \
-  }
-    i::OldSpaces spit(heap);
-    printf("KNOWN_OBJECTS = {\n");
-    for (i::PagedSpace* s = spit.next(); s != NULL; s = spit.next()) {
-      i::HeapObjectIterator it(s);
-      const char* sname = AllocationSpaceName(s->identity());
-      for (i::Object* o = it.Next(); o != NULL; o = it.Next()) {
-        const char* n = NULL;
-        i::Heap::RootListIndex i = i::Heap::kStrongRootListLength;
-        intptr_t p = reinterpret_cast<intptr_t>(o) & 0x7ffff;
-        ROOT_LIST(ROOT_LIST_CASE)
-        if (n == NULL) continue;
-        if (!i::Heap::RootIsImmortalImmovable(i)) continue;
-        printf("  (\"%s\", 0x%05" V8PRIxPTR "): \"%s\",\n", sname, p, n);
-      }
-    }
-    printf("}\n");
-#undef ROOT_LIST_CASE
-
-    // Dump frame markers
-    printf("\n# List of known V8 Frame Markers.\n");
-#define DUMP_MARKER(T, class) printf("  \"%s\",\n", #T);
-    printf("FRAME_MARKERS = (\n");
-    STACK_FRAME_TYPE_LIST(DUMP_MARKER)
-    printf(")\n");
-#undef DUMP_TYPE
-  }
-
-  printf("\n# This set of constants is generated from a %s build.\n", kBuild);
-
-  // Teardown.
-  isolate->Dispose();
-  v8::V8::ShutdownPlatform();
-  delete platform;
-  return 0;
-}
-
-}  // namespace v8
-
-int main(int argc, char* argv[]) { return v8::DumpHeapConstants(argv[0]); }