Add mips and simmips build targets.

Review URL: https://codereview.chromium.org//11859034

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@17319 260f80e4-7a28-3924-810f-c04153c831b5

runtime/platform/globals.h

@@ -85,15 +85,21 @@
 #elif defined(__ARMEL__)
 #define HOST_ARCH_ARM 1
 #define ARCH_IS_32_BIT 1
+#elif defined(__MIPSEL__)
+#define HOST_ARCH_MIPS 1
+#define ARCH_IS_32_BIT 1
 #else
 #error Architecture was not detected as supported by Dart.
 #endif
 
+#if !defined(TARGET_ARCH_MIPS)
 #if !defined(TARGET_ARCH_ARM)
 #if !defined(TARGET_ARCH_X64)
 #if !defined(TARGET_ARCH_IA32)
 // No target architecture specified pick the one matching the host architecture.
-#if defined(HOST_ARCH_ARM)
+#if defined(HOST_ARCH_MIPS)
+#define TARGET_ARCH_MIPS 1
+#elif defined(HOST_ARCH_ARM)
 #define TARGET_ARCH_ARM 1
 #elif defined(HOST_ARCH_X64)
 #define TARGET_ARCH_X64 1
@@ -105,6 +111,7 @@
 #endif
 #endif
 #endif
+#endif
 
 // Verify that host and target architectures match, we cannot
 // have a 64 bit Dart VM generating 32 bit code or vice-versa.
@@ -112,7 +119,9 @@
 #if !defined(ARCH_IS_64_BIT)
 #error Mismatched Host/Target architectures.
 #endif
-#elif defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_ARM)
+#elif defined(TARGET_ARCH_IA32) ||                                             \
+      defined(TARGET_ARCH_ARM) ||                                              \
+      defined(TARGET_ARCH_MIPS)
 #if !defined(ARCH_IS_32_BIT)
 #error Mismatched Host/Target architectures.
 #endif

tools/build.py

@@ -30,7 +30,7 @@ def BuildOptions():
       default=False, action="store_true")
   result.add_option("-a", "--arch",
       help='Target architectures (comma-separated).',
-      metavar='[all,ia32,x64,simarm,arm]',
+      metavar='[all,ia32,x64,simarm,arm,simmips,mips]',
       default=utils.GuessArchitecture())
   result.add_option("--os",
     help='Target OSs (comma-separated).',
@@ -71,7 +71,7 @@ def ProcessOptions(options, args):
       print "Unknown mode %s" % mode
       return False
   for arch in options.arch:
-    if not arch in ['ia32', 'x64', 'simarm', 'arm']:
+    if not arch in ['ia32', 'x64', 'simarm', 'arm', 'simmips', 'mips']:
       print "Unknown arch %s" % arch
       return False
   options.os = [ProcessOsOption(os) for os in options.os]

tools/gyp/configurations.gypi

@@ -23,6 +23,8 @@
     ['"<(target_arch)"=="x64"', { 'dart_target_arch': 'X64', }],
     ['"<(target_arch)"=="arm"', { 'dart_target_arch': 'ARM', }],
     ['"<(target_arch)"=="simarm"', { 'dart_target_arch': 'SIMARM', }],
+    ['"<(target_arch)"=="mips"', { 'dart_target_arch': 'MIPS', }],
+    ['"<(target_arch)"=="simmips"', { 'dart_target_arch': 'SIMMIPS', }],
   ],
   },
   'conditions': [
@@ -60,6 +62,20 @@
         ],
       },
 
+      'Dart_simmips_Base': {
+        'abstract': 1,
+        'defines': [
+          'TARGET_ARCH_MIPS',
+        ]
+      },
+
+      'Dart_mips_Base': {
+        'abstract': 1,
+        'defines': [
+          'TARGET_ARCH_MIPS',
+        ],
+      },
+
       'Dart_Debug': {
         'abstract': 1,
       },
@@ -113,6 +129,32 @@
         'inherit_from': ['Dart_Base', 'Dart_arm_Base', 'Dart_Release'],
       },
 
+      'DebugSIMMIPS': {
+        # Should not inherit from Dart_Debug because Dart_simmips_Base defines
+        # the optimization level to be -O3, as the simulator runs too slow
+        # otherwise.
+        'inherit_from': ['Dart_Base', 'Dart_simmips_Base'],
+        'defines': [
+          'DEBUG',
+        ],
+      },
+
+      'ReleaseSIMMIPS': {
+        # Should not inherit from Dart_Release (see DebugSIMMIPS).
+        'inherit_from': ['Dart_Base', 'Dart_simmips_Base'],
+        'defines': [
+          'NDEBUG',
+        ],
+      },
+
+      'DebugMIPS': {
+        'inherit_from': ['Dart_Base', 'Dart_mips_Base', 'Dart_Debug'],
+      },
+
+      'ReleaseMIPS': {
+        'inherit_from': ['Dart_Base', 'Dart_mips_Base', 'Dart_Release'],
+      },
+
       # These targets assume that target_arch is passed in explicitly
       # by the containing project (e.g., chromium).
       'Debug': {

tools/gyp/configurations_make.gypi

@@ -55,6 +55,19 @@
         ],
       },
 
+      'Dart_simmips_Base': {
+        'cflags': [ '-O3', '-m32', ],
+        'ldflags': [ '-m32', ],
+      },
+
+      'Dart_mips_Base': {
+        'cflags': [
+          '-march=mips32r2',
+          '-mhard-float',
+          '-fno-strict-overflow',
+        ],
+      },
+
       'Dart_Debug': {
         'cflags': [ '-O<(dart_debug_optimization_level)' ],
       },

tools/testing/dart/test_options.dart

@@ -108,7 +108,7 @@ is 'dart file.dart' and you specify special command
               'arch',
               'The architecture to run tests for',
               ['-a', '--arch'],
-              ['all', 'ia32', 'x64', 'simarm'],
+              ['all', 'ia32', 'x64', 'simarm', 'simmips'],
               'ia32'),
           new _TestOptionSpecification(
               'system',