Move platform abstraction to base library

src/base/logging.h

 // 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.
 
-#ifndef V8_CHECKS_H_
-#define V8_CHECKS_H_
+#ifndef V8_BASE_LOGGING_H_
+#define V8_BASE_LOGGING_H_
 
 #include <string.h>
 
 #include "include/v8stdint.h"
 #include "src/base/build_config.h"
 
 extern "C" void V8_Fatal(const char* file, int line, const char* format, ...);
 
 
 // The FATAL, UNREACHABLE and UNIMPLEMENTED macros are useful during
 // development, but they should not be relied on in the final product.
 #ifdef DEBUG
 #define FATAL(msg)                              \
   V8_Fatal(__FILE__, __LINE__, "%s", (msg))
 #define UNIMPLEMENTED()                         \
   V8_Fatal(__FILE__, __LINE__, "unimplemented code")
 #define UNREACHABLE()                           \
   V8_Fatal(__FILE__, __LINE__, "unreachable code")
 #else
 #define FATAL(msg)                              \
   V8_Fatal("", 0, "%s", (msg))
 #define UNIMPLEMENTED()                         \
   V8_Fatal("", 0, "unimplemented code")
 #define UNREACHABLE() ((void) 0)
 #endif
 
-// Simulator specific helpers.
-// We can't use USE_SIMULATOR here because it isn't defined yet.
-#if V8_TARGET_ARCH_ARM64 && !V8_HOST_ARCH_ARM64
-  // TODO(all): If possible automatically prepend an indicator like
-  // UNIMPLEMENTED or LOCATION.
-  #define ASM_UNIMPLEMENTED(message)                                         \
-  __ Debug(message, __LINE__, NO_PARAM)
-  #define ASM_UNIMPLEMENTED_BREAK(message)                                   \
-  __ Debug(message, __LINE__,                                                \
-           FLAG_ignore_asm_unimplemented_break ? NO_PARAM : BREAK)
-  #define ASM_LOCATION(message)                                              \
-  __ Debug("LOCATION: " message, __LINE__, NO_PARAM)
-#else
-  #define ASM_UNIMPLEMENTED(message)
-  #define ASM_UNIMPLEMENTED_BREAK(message)
-  #define ASM_LOCATION(message)
-#endif
-
 
 // The CHECK macro checks that the given condition is true; if not, it
 // prints a message to stderr and aborts.
 #define CHECK(condition) do {                                       \
     if (!(condition)) {                                             \
       V8_Fatal(__FILE__, __LINE__, "CHECK(%s) failed", #condition); \
     }                                                               \
   } while (0)
 
 
@@ skipping 174 matching lines @@
 #define CHECK_NE(unexpected, value) CheckNonEqualsHelper(__FILE__, __LINE__, \
   #unexpected, unexpected, #value, value)
 
 
 #define CHECK_GT(a, b) CHECK((a) > (b))
 #define CHECK_GE(a, b) CHECK((a) >= (b))
 #define CHECK_LT(a, b) CHECK((a) < (b))
 #define CHECK_LE(a, b) CHECK((a) <= (b))
 
 
-#ifdef DEBUG
-#ifndef OPTIMIZED_DEBUG
-#define ENABLE_SLOW_ASSERTS    1
-#endif
-#endif
-
 namespace v8 {
-namespace internal {
-#ifdef ENABLE_SLOW_ASSERTS
-#define SLOW_ASSERT(condition) \
-  CHECK(!v8::internal::FLAG_enable_slow_asserts || (condition))
-extern bool FLAG_enable_slow_asserts;
-#else
-#define SLOW_ASSERT(condition) ((void) 0)
-const bool FLAG_enable_slow_asserts = false;
-#endif
+namespace base {
 
 // Exposed for making debugging easier (to see where your function is being
 // called, just add a call to DumpBacktrace).
 void DumpBacktrace();
 
-} }  // namespace v8::internal
+} }  // namespace v8::base
 
 
 // The ASSERT macro is equivalent to CHECK except that it only
 // generates code in debug builds.
 #ifdef DEBUG
 #define ASSERT_RESULT(expr)    CHECK(expr)
 #define ASSERT(condition)      CHECK(condition)
 #define ASSERT_EQ(v1, v2)      CHECK_EQ(v1, v2)
 #define ASSERT_NE(v1, v2)      CHECK_NE(v1, v2)
 #define ASSERT_GE(v1, v2)      CHECK_GE(v1, v2)
@@ skipping 12 matching lines @@
 #define ASSERT_NOT_NULL(p)  ASSERT_NE(NULL, p)
 
 // "Extra checks" are lightweight checks that are enabled in some release
 // builds.
 #ifdef ENABLE_EXTRA_CHECKS
 #define EXTRA_CHECK(condition) CHECK(condition)
 #else
 #define EXTRA_CHECK(condition) ((void) 0)
 #endif
 
-#endif  // V8_CHECKS_H_
+#endif  // V8_BASE_LOGGING_H_