Experimental parser: merge to r19637

src/globals.h

 // Copyright 2012 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
@@ skipping 20 matching lines @@
 #include "../include/v8stdint.h"
 
 // Unfortunately, the INFINITY macro cannot be used with the '-pedantic'
 // warning flag and certain versions of GCC due to a bug:
 // http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11931
 // For now, we use the more involved template-based version from <limits>, but
 // only when compiling with GCC versions affected by the bug (2.96.x - 4.0.x)
 #if V8_CC_GNU && V8_GNUC_PREREQ(2, 96, 0) && !V8_GNUC_PREREQ(4, 1, 0)
 # include <limits>  // NOLINT
 # define V8_INFINITY std::numeric_limits<double>::infinity()
-#elif V8_CC_MSVC
+#elif V8_LIBC_MSVCRT
 # define V8_INFINITY HUGE_VAL
 #else
 # define V8_INFINITY INFINITY
 #endif
 
 namespace v8 {
 namespace internal {
 
 // Processor architecture detection.  For more info on what's defined, see:
 //   http://msdn.microsoft.com/en-us/library/b0084kay.aspx
@@ skipping 12 matching lines @@
 #define V8_HOST_CAN_READ_UNALIGNED 1
 #else
 #define V8_HOST_ARCH_X64 1
 #define V8_HOST_ARCH_64_BIT 1
 #define V8_HOST_CAN_READ_UNALIGNED 1
 #endif  // __native_client__
 #elif defined(_M_IX86) || defined(__i386__)
 #define V8_HOST_ARCH_IA32 1
 #define V8_HOST_ARCH_32_BIT 1
 #define V8_HOST_CAN_READ_UNALIGNED 1
+#elif defined(__AARCH64EL__)
+#define V8_HOST_ARCH_A64 1
+#define V8_HOST_ARCH_64_BIT 1
+#define V8_HOST_CAN_READ_UNALIGNED 1
 #elif defined(__ARMEL__)
 #define V8_HOST_ARCH_ARM 1
 #define V8_HOST_ARCH_32_BIT 1
 #elif defined(__MIPSEL__)
 #define V8_HOST_ARCH_MIPS 1
 #define V8_HOST_ARCH_32_BIT 1
 #else
-#error Host architecture was not detected as supported by v8
+#error "Host architecture was not detected as supported by v8"
 #endif
 
 #if defined(__ARM_ARCH_7A__) || \
     defined(__ARM_ARCH_7R__) || \
     defined(__ARM_ARCH_7__)
 # define CAN_USE_ARMV7_INSTRUCTIONS 1
 # ifndef CAN_USE_VFP3_INSTRUCTIONS
 #  define CAN_USE_VFP3_INSTRUCTIONS
 # endif
 #endif
 
 
 // Target architecture detection. This may be set externally. If not, detect
 // in the same way as the host architecture, that is, target the native
 // environment as presented by the compiler.
 #if !V8_TARGET_ARCH_X64 && !V8_TARGET_ARCH_IA32 && \
-    !V8_TARGET_ARCH_ARM && !V8_TARGET_ARCH_MIPS
+    !V8_TARGET_ARCH_ARM && !V8_TARGET_ARCH_A64 && !V8_TARGET_ARCH_MIPS
 #if defined(_M_X64) || defined(__x86_64__)
 #define V8_TARGET_ARCH_X64 1
 #elif defined(_M_IX86) || defined(__i386__)
 #define V8_TARGET_ARCH_IA32 1
+#elif defined(__AARCH64EL__)
+#define V8_TARGET_ARCH_A64 1
 #elif defined(__ARMEL__)
 #define V8_TARGET_ARCH_ARM 1
 #elif defined(__MIPSEL__)
 #define V8_TARGET_ARCH_MIPS 1
 #else
 #error Target architecture was not detected as supported by v8
 #endif
 #endif
 
 // Check for supported combinations of host and target architectures.
 #if V8_TARGET_ARCH_IA32 && !V8_HOST_ARCH_IA32
 #error Target architecture ia32 is only supported on ia32 host
 #endif
 #if V8_TARGET_ARCH_X64 && !V8_HOST_ARCH_X64
 #error Target architecture x64 is only supported on x64 host
 #endif
 #if (V8_TARGET_ARCH_ARM && !(V8_HOST_ARCH_IA32 || V8_HOST_ARCH_ARM))
 #error Target architecture arm is only supported on arm and ia32 host
 #endif
+#if (V8_TARGET_ARCH_A64 && !(V8_HOST_ARCH_X64 || V8_HOST_ARCH_A64))
+#error Target architecture a64 is only supported on a64 and x64 host
+#endif
 #if (V8_TARGET_ARCH_MIPS && !(V8_HOST_ARCH_IA32 || V8_HOST_ARCH_MIPS))
 #error Target architecture mips is only supported on mips and ia32 host
 #endif
 
 // Determine whether we are running in a simulated environment.
 // Setting USE_SIMULATOR explicitly from the build script will force
 // the use of a simulated environment.
 #if !defined(USE_SIMULATOR)
+#if (V8_TARGET_ARCH_A64 && !V8_HOST_ARCH_A64)
+#define USE_SIMULATOR 1
+#endif
 #if (V8_TARGET_ARCH_ARM && !V8_HOST_ARCH_ARM)
 #define USE_SIMULATOR 1
 #endif
 #if (V8_TARGET_ARCH_MIPS && !V8_HOST_ARCH_MIPS)
 #define USE_SIMULATOR 1
 #endif
 #endif
 
 // Determine architecture endiannes (we only support little-endian).
 #if V8_TARGET_ARCH_IA32
 #define V8_TARGET_LITTLE_ENDIAN 1
 #elif V8_TARGET_ARCH_X64
 #define V8_TARGET_LITTLE_ENDIAN 1
 #elif V8_TARGET_ARCH_ARM
 #define V8_TARGET_LITTLE_ENDIAN 1
+#elif V8_TARGET_ARCH_A64
+#define V8_TARGET_LITTLE_ENDIAN 1
 #elif V8_TARGET_ARCH_MIPS
 #define V8_TARGET_LITTLE_ENDIAN 1
 #else
 #error Unknown target architecture endiannes
 #endif
 
 // Support for alternative bool type. This is only enabled if the code is
 // compiled with USE_MYBOOL defined. This catches some nasty type bugs.
 // For instance, 'bool b = "false";' results in b == true! This is a hidden
 // source of bugs.
@@ skipping 214 matching lines @@
 #if __has_feature(address_sanitizer)
 #define DISABLE_ASAN __attribute__((no_sanitize_address))
 #endif
 #endif
 
 
 #ifndef DISABLE_ASAN
 #define DISABLE_ASAN
 #endif
 
+#if V8_CC_GNU
+#define V8_IMMEDIATE_CRASH() __builtin_trap()
+#else
+#define V8_IMMEDIATE_CRASH() ((void(*)())0)()
+#endif
+
 
 // -----------------------------------------------------------------------------
 // Forward declarations for frequently used classes
 // (sorted alphabetically)
 
 class FreeStoreAllocationPolicy;
 template <typename T, class P = FreeStoreAllocationPolicy> class List;
 
 // -----------------------------------------------------------------------------
 // Declarations for use in both the preparser and the rest of V8.
@@ skipping 24 matching lines @@
 // the backend, so both modes are represented by the kStrictMode value.
 enum StrictModeFlag {
   kNonStrictMode,
   kStrictMode
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_GLOBALS_H_