Contribution of PowerPC port (continuation of 422063005) - AIX Common1

build/toolchain.gypi

 # Copyright 2013 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 266 matching lines @@
           }],
           ['v8_host_byteorder=="little"', {
             'defines': [
               'V8_TARGET_ARCH_PPC_LE',
             ],
           }],
           ['v8_host_byteorder=="big"', {
             'defines': [
               'V8_TARGET_ARCH_PPC_BE',
             ],
+            'conditions': [
+              ['OS=="aix"', {
+                # Work around AIX ceil, trunc and round oddities.
+                'cflags': [ '-mcpu=power5+ -mfprnd' ],
+              }],
+              ['OS=="aix"', {
+                # Work around AIX assembler popcntb bug.
+                'cflags': [ '-mno-popcntb' ],
+              }],
+            ],
           }],
         ],
       }],  # ppc
       ['v8_target_arch=="ia32"', {
         'defines': [
           'V8_TARGET_ARCH_IA32',
         ],
       }],  # v8_target_arch=="ia32"
       ['v8_target_arch=="x87"', {
         'defines': [
@@ skipping 590 matching lines @@
                [ 'android_webview_build == 1', {
                  'aosp_build_settings': {
                    'LOCAL_FDO_SUPPORT': 'true',
                  },
                }],
              ]
            }],
          ],
       }],
       ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris" \
-         or OS=="netbsd" or OS=="qnx"', {
+         or OS=="netbsd" or OS=="qnx" or OS=="aix"', {
         'conditions': [
           [ 'v8_no_strict_aliasing==1', {
             'cflags': [ '-fno-strict-aliasing' ],
           }],
         ],  # conditions
       }],
       ['OS=="solaris"', {
         'defines': [ '__C99FEATURES__=1' ],  # isinf() etc.
       }],
       ['OS=="freebsd" or OS=="openbsd"', {
         'cflags': [ '-I/usr/local/include' ],
       }],
       ['OS=="netbsd"', {
         'cflags': [ '-I/usr/pkg/include' ],
       }],
+      ['OS=="aix"', {
+        'defines': [
+          # Support for malloc(0)
+          '_LINUX_SOURCE_COMPAT=1',
+          '_ALL_SOURCE=1'],
+        'conditions': [
+          [ 'v8_target_arch=="ppc"', {
+            'ldflags': [ '-Wl,-bmaxdata:0x60000000/dsa' ],
+          }],
+          [ 'v8_target_arch=="ppc64"', {
+            'cflags': [ '-maix64' ],
+            'ldflags': [ '-maix64' ],
+          }],
+        ],
+      }],
     ],  # conditions
     'configurations': {
       # Abstract configuration for v8_optimized_debug == 0.
       'DebugBase0': {
         'abstract': 1,
         'msvs_settings': {
           'VCCLCompilerTool': {
             'Optimization': '0',
             'conditions': [
               ['component=="shared_library"', {
                 'RuntimeLibrary': '3',  # /MDd
               }, {
                 'RuntimeLibrary': '1',  # /MTd
               }],
             ],
           },
           'VCLinkerTool': {
             'LinkIncremental': '2',
           },
         },
         'variables': {
           'v8_enable_slow_dchecks%': 1,
         },
         'conditions': [
           ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd" or \
-            OS=="qnx"', {
+            OS=="qnx" or OS=="aix"', {
             'cflags!': [
               '-O3',
               '-O2',
               '-O1',
               '-Os',
             ],
             'cflags': [
               '-fdata-sections',
               '-ffunction-sections',
             ],
@@ skipping 33 matching lines @@
             'LinkIncremental': '1',
             'OptimizeReferences': '2',
             'EnableCOMDATFolding': '2',
           },
         },
         'variables': {
           'v8_enable_slow_dchecks%': 0,
         },
         'conditions': [
           ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd" or \
-            OS=="qnx"', {
+            OS=="qnx" or OS=="aix"', {
             'cflags!': [
               '-O0',
               '-O1',
               '-Os',
             ],
             'cflags': [
               '-fdata-sections',
               '-ffunction-sections',
             ],
             'conditions': [
@@ skipping 28 matching lines @@
         'defines': [
           'ENABLE_DISASSEMBLER',
           'V8_ENABLE_CHECKS',
           'OBJECT_PRINT',
           'VERIFY_HEAP',
           'DEBUG',
           'TRACE_MAPS'
         ],
         'conditions': [
           ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd" or \
-            OS=="qnx"', {
+            OS=="qnx" or OS=="aix"', {
             'cflags': [ '-Woverloaded-virtual', '<(wno_array_bounds)', ],
           }],
           ['OS=="linux" and v8_enable_backtrace==1', {
             # Support for backtrace_symbols.
             'ldflags': [ '-rdynamic' ],
           }],
+          ['OS=="aix"', {
+            'ldflags': [ '-Wl,-bbigtoc' ],
+          }],
           ['OS=="android"', {
             'variables': {
               'android_full_debug%': 1,
             },
             'conditions': [
               ['android_full_debug==0', {
                 # Disable full debug if we want a faster v8 in a debug build.
                 # TODO(2304): pass DISABLE_DEBUG_ASSERT instead of hiding DEBUG.
                 'defines!': [
                   'DEBUG',
@@ skipping 12 matching lines @@
           }, {
             'inherit_from': ['DebugBase1'],
           }],
         ],
       },  # Debug
       'Release': {
         'variables': {
           'v8_enable_slow_dchecks%': 0,
         },
         'conditions': [
-          ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd"', {
+          ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd" \
+            or OS=="aix"', {
             'cflags!': [
               '-Os',
             ],
             'cflags': [
               '-fdata-sections',
               '-ffunction-sections',
               '<(wno_array_bounds)',
             ],
             'conditions': [
               # TODO(crbug.com/272548): Avoid -O3 in NaCl
@@ skipping 56 matching lines @@
           ['v8_enable_slow_dchecks==1', {
             'defines': [
               'ENABLE_SLOW_DCHECKS',
             ],
           }],
         ],  # conditions
       },  # Release
     },  # configurations
   },  # target_defaults
 }