MIPS: Initial gyp infrastructure for MIPS architecture.

BUG=
TEST=

Review URL: http://codereview.chromium.org/8505007
Patch from Gergely Kis <gergely@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9940 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

build/common.gypi

@@ -50,12 +50,18 @@
     # probing when running on the target.
     'v8_can_use_vfp_instructions%': 'false',
 
+    # Similar to vfp but on MIPS.
+    'v8_can_use_fpu_instructions%': 'true',
+
     # Setting v8_use_arm_eabi_hardfloat to true will turn on V8 support for ARM
     # EABI calling convention where double arguments are passed in VFP
     # registers. Note that the GCC flag '-mfloat-abi=hard' should be used as
     # well when compiling for the ARM target.
     'v8_use_arm_eabi_hardfloat%': 'false',
 
+    # Similar to the ARM hard float ABI but on MIPS.
+    'v8_use_mips_abi_hardfloat%': 'true',
+
     'v8_enable_debugger_support%': 1,
 
     'v8_enable_disassembler%': 0,
@@ -154,6 +160,33 @@
             'defines': [
               'V8_TARGET_ARCH_MIPS',
             ],
+            'conditions': [
+              [ 'v8_can_use_fpu_instructions=="true"', {
+                'defines': [
+                  'CAN_USE_FPU_INSTRUCTIONS',
+                ],
+              }],
+              [ 'v8_use_mips_abi_hardfloat=="true"', {
+                'defines': [
+                  '__mips_hard_float=1',
+                  'CAN_USE_FPU_INSTRUCTIONS',
+                ],
+              }, {
+                'defines': [
+                  '__mips_soft_float=1'
+                ],
+              }],
+              # The MIPS assembler assumes the host is 32 bits,
+              # so force building 32-bit host tools.
+              ['host_arch=="x64"', {
+                'target_conditions': [
+                  ['_toolset=="host"', {
+                    'cflags': ['-m32'],
+                    'ldflags': ['-m32'],
+                  }],
+                ],
+              }],
+            ],
           }],
           ['v8_target_arch=="x64"', {
             'defines': [

build/gyp_v8

@@ -171,3 +171,8 @@ if __name__ == '__main__':
     gyp_args.append('-I' + v8_root + '/build/armu.gypi')
     gyp_args.append('-S-armu')
     run_gyp(gyp_args)
+
+    gyp_args = list(args)
+    gyp_args.append('-I' + v8_root + '/build/mipsu.gypi')
+    gyp_args.append('-S-mipsu')
+    run_gyp(gyp_args)

build/mipsu.gypi

+# Copyright 2011 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
+#       with the distribution.
+#     * Neither the name of Google Inc. nor the names of its
+#       contributors may be used to endorse or promote products derived
+#       from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+{
+  'variables': {
+    'target_arch': 'ia32',
+    'v8_target_arch': 'mips',
+  },
+}

build/standalone.gypi

@@ -42,7 +42,7 @@
               # else gets passed through, which probably won't work very well; such
               # hosts should pass an explicit target_arch to gyp.
               'host_arch%':
-                '<!(uname -m | sed -e "s/i.86/ia32/;s/x86_64/x64/;s/amd64/x64/;s/arm.*/arm/")',
+                '<!(uname -m | sed -e "s/i.86/ia32/;s/x86_64/x64/;s/amd64/x64/;s/arm.*/arm/;s/mips.*/mips/")',
             }, {  # OS!="linux" and OS!="freebsd" and OS!="openbsd"
               'host_arch%': 'ia32',
             }],
@@ -61,6 +61,7 @@
     'werror%': '-Werror',
     'conditions': [
       ['(v8_target_arch=="arm" and host_arch!="arm") or \
+        (v8_target_arch=="mips" and host_arch!="mips") or \
         (v8_target_arch=="x64" and host_arch!="x64")', {
         'want_separate_host_toolset': 1,
       }, {

tools/gyp/v8.gyp

@@ -559,6 +559,40 @@
                 '../../src/ia32/stub-cache-ia32.cc',
               ],
             }],
+            ['v8_target_arch=="mips"', {
+              'sources': [
+                '../../src/mips/assembler-mips.cc',
+                '../../src/mips/assembler-mips.h',
+                '../../src/mips/assembler-mips-inl.h',
+                '../../src/mips/builtins-mips.cc',
+                '../../src/mips/codegen-mips.cc',
+                '../../src/mips/codegen-mips.h',
+                '../../src/mips/code-stubs-mips.cc',
+                '../../src/mips/code-stubs-mips.h',
+                '../../src/mips/constants-mips.cc',
+                '../../src/mips/constants-mips.h',
+                '../../src/mips/cpu-mips.cc',
+                '../../src/mips/debug-mips.cc',
+                '../../src/mips/deoptimizer-mips.cc',
+                '../../src/mips/disasm-mips.cc',
+                '../../src/mips/frames-mips.cc',
+                '../../src/mips/frames-mips.h',
+                '../../src/mips/full-codegen-mips.cc',
+                '../../src/mips/ic-mips.cc',
+                '../../src/mips/lithium-codegen-mips.cc',
+                '../../src/mips/lithium-codegen-mips.h',
+                '../../src/mips/lithium-gap-resolver-mips.cc',
+                '../../src/mips/lithium-gap-resolver-mips.h',
+                '../../src/mips/lithium-mips.cc',
+                '../../src/mips/lithium-mips.h',
+                '../../src/mips/macro-assembler-mips.cc',
+                '../../src/mips/macro-assembler-mips.h',
+                '../../src/mips/regexp-macro-assembler-mips.cc',
+                '../../src/mips/regexp-macro-assembler-mips.h',
+                '../../src/mips/simulator-mips.cc',
+                '../../src/mips/stub-cache-mips.cc',
+              ],
+            }],
             ['v8_target_arch=="x64" or v8_target_arch=="mac" or OS=="mac"', {
               'sources': [
                 '../../src/x64/assembler-x64-inl.h',