Upstream version 9.38.198.0

[platform/framework/web/crosswalk.git] / src / v8 / src / base / build_config.h

diff --git a/src/v8/src/base/build_config.h b/src/v8/src/base/build_config.h
index e412b92..c66d6a5 100644 (file)
--- a/src/v8/src/base/build_config.h
+++ b/src/v8/src/base/build_config.h
@@ -24,7 +24,11 @@
 #define V8_HOST_CAN_READ_UNALIGNED 1
 #else
 #define V8_HOST_ARCH_X64 1
+#if defined(__x86_64__) && !defined(__LP64__)
+#define V8_HOST_ARCH_32_BIT 1
+#else
 #define V8_HOST_ARCH_64_BIT 1
+#endif
 #define V8_HOST_CAN_READ_UNALIGNED 1
 #endif  // __native_client__
 #elif defined(_M_IX86) || defined(__i386__)
@@ -38,6 +42,9 @@
 #elif defined(__ARMEL__)
 #define V8_HOST_ARCH_ARM 1
 #define V8_HOST_ARCH_32_BIT 1
+#elif defined(__mips64)
+#define V8_HOST_ARCH_MIPS64 1
+#define V8_HOST_ARCH_64_BIT 1
 #elif defined(__MIPSEB__) || defined(__MIPSEL__)
 #define V8_HOST_ARCH_MIPS 1
 #define V8_HOST_ARCH_32_BIT 1
@@ -59,7 +66,8 @@
 // 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_X87 && \
-    !V8_TARGET_ARCH_ARM && !V8_TARGET_ARCH_ARM64 && !V8_TARGET_ARCH_MIPS
+    !V8_TARGET_ARCH_ARM && !V8_TARGET_ARCH_ARM64 && !V8_TARGET_ARCH_MIPS && \
+    !V8_TARGET_ARCH_MIPS64
 #if defined(_M_X64) || defined(__x86_64__)
 #define V8_TARGET_ARCH_X64 1
 #elif defined(_M_IX86) || defined(__i386__)
@@ -68,6 +76,8 @@
 #define V8_TARGET_ARCH_ARM64 1
 #elif defined(__ARMEL__)
 #define V8_TARGET_ARCH_ARM 1
+#elif defined(__mips64)
+#define V8_TARGET_ARCH_MIPS64 1
 #elif defined(__MIPSEB__) || defined(__MIPSEL__)
 #define V8_TARGET_ARCH_MIPS 1
 #else
@@ -75,13 +85,43 @@
 #endif
 #endif
 
+// Determine architecture pointer size.
+#if V8_TARGET_ARCH_IA32
+#define V8_TARGET_ARCH_32_BIT 1
+#elif V8_TARGET_ARCH_X64
+#if !V8_TARGET_ARCH_32_BIT && !V8_TARGET_ARCH_64_BIT
+#if defined(__x86_64__) && !defined(__LP64__)
+#define V8_TARGET_ARCH_32_BIT 1
+#else
+#define V8_TARGET_ARCH_64_BIT 1
+#endif
+#endif
+#elif V8_TARGET_ARCH_ARM
+#define V8_TARGET_ARCH_32_BIT 1
+#elif V8_TARGET_ARCH_ARM64
+#define V8_TARGET_ARCH_64_BIT 1
+#elif V8_TARGET_ARCH_MIPS
+#define V8_TARGET_ARCH_32_BIT 1
+#elif V8_TARGET_ARCH_MIPS64
+#define V8_TARGET_ARCH_64_BIT 1
+#elif V8_TARGET_ARCH_X87
+#define V8_TARGET_ARCH_32_BIT 1
+#else
+#error Unknown target architecture pointer size
+#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
+#if (V8_TARGET_ARCH_X64 && V8_TARGET_ARCH_64_BIT && \
+     !(V8_HOST_ARCH_X64 && V8_HOST_ARCH_64_BIT))
 #error Target architecture x64 is only supported on x64 host
 #endif
+#if (V8_TARGET_ARCH_X64 && V8_TARGET_ARCH_32_BIT && \
+     !(V8_HOST_ARCH_X64 && V8_HOST_ARCH_32_BIT))
+#error Target architecture x32 is only supported on x64 host with x32 support
+#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
@@ -91,6 +131,9 @@
 #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
+#if (V8_TARGET_ARCH_MIPS64 && !(V8_HOST_ARCH_X64 || V8_HOST_ARCH_MIPS64))
+#error Target architecture mips64 is only supported on mips64 and x64 host
+#endif
 
 // Determine architecture endianness.
 #if V8_TARGET_ARCH_IA32
@@ -107,6 +150,8 @@
 #else
 #define V8_TARGET_LITTLE_ENDIAN 1
 #endif
+#elif V8_TARGET_ARCH_MIPS64
+#define V8_TARGET_LITTLE_ENDIAN 1
 #elif V8_TARGET_ARCH_X87
 #define V8_TARGET_LITTLE_ENDIAN 1
 #else
@@ -117,4 +162,8 @@
 #define USING_BSD_ABI
 #endif
 
+// Number of bits to represent the page size for paged spaces. The value of 20
+// gives 1Mb bytes per page.
+const int kPageSizeBits = 20;
+
 #endif  // V8_BASE_BUILD_CONFIG_H_