diff options
Diffstat (limited to 'mesalib')
| -rw-r--r-- | mesalib/scons/crossmingw.py | 399 | ||||
| -rw-r--r-- | mesalib/src/glsl/ast_function.cpp | 2 | ||||
| -rw-r--r-- | mesalib/src/glsl/glcpp/glcpp-parse.y | 7 | ||||
| -rw-r--r-- | mesalib/src/glsl/ir_constant_expression.cpp | 36 |
4 files changed, 237 insertions, 207 deletions
diff --git a/mesalib/scons/crossmingw.py b/mesalib/scons/crossmingw.py index bac51de07..cc046229e 100644 --- a/mesalib/scons/crossmingw.py +++ b/mesalib/scons/crossmingw.py @@ -1,198 +1,201 @@ -"""SCons.Tool.gcc
-
-Tool-specific initialization for MinGW (http://www.mingw.org/)
-
-There normally shouldn't be any need to import this module directly.
-It will usually be imported through the generic SCons.Tool.Tool()
-selection method.
-
-See also http://www.scons.org/wiki/CrossCompilingMingw
-"""
-
-#
-# Copyright (c) 2001, 2002, 2003, 2004 The SCons Foundation
-#
-# Permission is hereby granted, free of charge, to any person obtaining
-# a copy of this software and associated documentation files (the
-# "Software"), to deal in the Software without restriction, including
-# without limitation the rights to use, copy, modify, merge, publish,
-# distribute, sublicense, and/or sell copies of the Software, and to
-# permit persons to whom the Software is furnished to do so, subject to
-# the following conditions:
-#
-# The above copyright notice and this permission notice shall be included
-# in all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
-# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
-# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-#
-
-import os
-import os.path
-import string
-
-import SCons.Action
-import SCons.Builder
-import SCons.Tool
-import SCons.Util
-
-# This is what we search for to find mingw:
-prefixes32 = SCons.Util.Split("""
- mingw32-
- mingw32msvc-
- i386-mingw32-
- i486-mingw32-
- i586-mingw32-
- i686-mingw32-
- i386-mingw32msvc-
- i486-mingw32msvc-
- i586-mingw32msvc-
- i686-mingw32msvc-
- i686-pc-mingw32-
- i686-w64-mingw32-
-""")
-prefixes64 = SCons.Util.Split("""
- amd64-mingw32-
- amd64-mingw32msvc-
- amd64-pc-mingw32-
- x86_64-w64-mingw32-
-""")
-
-def find(env):
- if env['machine'] == 'x86_64':
- prefixes = prefixes64
- else:
- prefixes = prefixes32
- for prefix in prefixes:
- # First search in the SCons path and then the OS path:
- if env.WhereIs(prefix + 'gcc') or SCons.Util.WhereIs(prefix + 'gcc'):
- return prefix
-
- return ''
-
-def shlib_generator(target, source, env, for_signature):
- cmd = SCons.Util.CLVar(['$SHLINK', '$SHLINKFLAGS'])
-
- dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
- if dll: cmd.extend(['-o', dll])
-
- cmd.extend(['$SOURCES', '$_LIBDIRFLAGS', '$_LIBFLAGS'])
-
- implib = env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX')
- if implib: cmd.append('-Wl,--out-implib,'+implib.get_string(for_signature))
-
- def_target = env.FindIxes(target, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')
- if def_target: cmd.append('-Wl,--output-def,'+def_target.get_string(for_signature))
-
- return [cmd]
-
-def shlib_emitter(target, source, env):
- dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
- no_import_lib = env.get('no_import_lib', 0)
-
- if not dll:
- raise SCons.Errors.UserError, "A shared library should have exactly one target with the suffix: %s" % env.subst("$SHLIBSUFFIX")
-
- if not no_import_lib and \
- not env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX'):
-
- # Append an import library to the list of targets.
- target.append(env.ReplaceIxes(dll,
- 'SHLIBPREFIX', 'SHLIBSUFFIX',
- 'LIBPREFIX', 'LIBSUFFIX'))
-
- # Append a def file target if there isn't already a def file target
- # or a def file source. There is no option to disable def file
- # target emitting, because I can't figure out why someone would ever
- # want to turn it off.
- def_source = env.FindIxes(source, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')
- def_target = env.FindIxes(target, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')
- if not def_source and not def_target:
- target.append(env.ReplaceIxes(dll,
- 'SHLIBPREFIX', 'SHLIBSUFFIX',
- 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX'))
-
- return (target, source)
-
-
-shlib_action = SCons.Action.Action(shlib_generator, '$SHLINKCOMSTR', generator=1)
-
-res_action = SCons.Action.Action('$RCCOM', '$RCCOMSTR')
-
-res_builder = SCons.Builder.Builder(action=res_action, suffix='.o',
- source_scanner=SCons.Tool.SourceFileScanner)
-SCons.Tool.SourceFileScanner.add_scanner('.rc', SCons.Defaults.CScan)
-
-def generate(env):
- mingw_prefix = find(env)
-
- if mingw_prefix:
- dir = os.path.dirname(env.WhereIs(mingw_prefix + 'gcc') or SCons.Util.WhereIs(mingw_prefix + 'gcc'))
-
- # The mingw bin directory must be added to the path:
- path = env['ENV'].get('PATH', [])
- if not path:
- path = []
- if SCons.Util.is_String(path):
- path = string.split(path, os.pathsep)
-
- env['ENV']['PATH'] = string.join([dir] + path, os.pathsep)
-
- # Most of mingw is the same as gcc and friends...
- gnu_tools = ['gcc', 'g++', 'gnulink', 'ar', 'gas']
- for tool in gnu_tools:
- SCons.Tool.Tool(tool)(env)
-
- #... but a few things differ:
- env['CC'] = mingw_prefix + 'gcc'
- env['SHCCFLAGS'] = SCons.Util.CLVar('$CCFLAGS')
- env['CXX'] = mingw_prefix + 'g++'
- env['SHCXXFLAGS'] = SCons.Util.CLVar('$CXXFLAGS')
- env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -shared')
- env['SHLINKCOM'] = shlib_action
- env.Append(SHLIBEMITTER = [shlib_emitter])
- env['LINK'] = mingw_prefix + 'g++'
- env['AR'] = mingw_prefix + 'ar'
- env['RANLIB'] = mingw_prefix + 'ranlib'
- env['LINK'] = mingw_prefix + 'g++'
- env['AS'] = mingw_prefix + 'as'
- env['WIN32DEFPREFIX'] = ''
- env['WIN32DEFSUFFIX'] = '.def'
- env['SHOBJSUFFIX'] = '.o'
- env['STATIC_AND_SHARED_OBJECTS_ARE_THE_SAME'] = 1
-
- env['RC'] = mingw_prefix + 'windres'
- env['RCFLAGS'] = SCons.Util.CLVar('')
- env['RCCOM'] = '$RC $_CPPDEFFLAGS $_CPPINCFLAGS ${INCPREFIX}${SOURCE.dir} $RCFLAGS -i $SOURCE -o $TARGET'
- env['BUILDERS']['RES'] = res_builder
-
- # Some setting from the platform also have to be overridden:
- env['OBJPREFIX'] = ''
- env['OBJSUFFIX'] = '.o'
- env['SHOBJPREFIX'] = '$OBJPREFIX'
- env['SHOBJSUFFIX'] = '$OBJSUFFIX'
- env['PROGPREFIX'] = ''
- env['PROGSUFFIX'] = '.exe'
- env['LIBPREFIX'] = 'lib'
- env['LIBSUFFIX'] = '.a'
- env['SHLIBPREFIX'] = ''
- env['SHLIBSUFFIX'] = '.dll'
- env['LIBPREFIXES'] = [ 'lib', '' ]
- env['LIBSUFFIXES'] = [ '.a', '.lib' ]
-
- # MinGW port of gdb does not handle well dwarf debug info which is the
- # default in recent gcc versions
- env.AppendUnique(CCFLAGS = ['-gstabs'])
-
- env.AppendUnique(CPPDEFINES = [('__MSVCRT_VERSION__', '0x0700')])
- #env.AppendUnique(LIBS = ['iberty'])
- env.AppendUnique(SHLINKFLAGS = ['-Wl,--enable-stdcall-fixup'])
- #env.AppendUnique(SHLINKFLAGS = ['-Wl,--kill-at'])
-
-def exists(env):
- return find(env)
+"""SCons.Tool.gcc + +Tool-specific initialization for MinGW (http://www.mingw.org/) + +There normally shouldn't be any need to import this module directly. +It will usually be imported through the generic SCons.Tool.Tool() +selection method. + +See also http://www.scons.org/wiki/CrossCompilingMingw +""" + +# +# Copyright (c) 2001, 2002, 2003, 2004 The SCons Foundation +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be included +# in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY +# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE +# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# + +import os +import os.path +import string + +import SCons.Action +import SCons.Builder +import SCons.Tool +import SCons.Util + +# This is what we search for to find mingw: +prefixes32 = SCons.Util.Split(""" + mingw32- + mingw32msvc- + i386-mingw32- + i486-mingw32- + i586-mingw32- + i686-mingw32- + i386-mingw32msvc- + i486-mingw32msvc- + i586-mingw32msvc- + i686-mingw32msvc- + i686-pc-mingw32- + i686-w64-mingw32- +""") +prefixes64 = SCons.Util.Split(""" + amd64-mingw32- + amd64-mingw32msvc- + amd64-pc-mingw32- + x86_64-w64-mingw32- +""") + +def find(env): + if env['machine'] == 'x86_64': + prefixes = prefixes64 + else: + prefixes = prefixes32 + for prefix in prefixes: + # First search in the SCons path and then the OS path: + if env.WhereIs(prefix + 'gcc') or SCons.Util.WhereIs(prefix + 'gcc'): + return prefix + + return '' + +def shlib_generator(target, source, env, for_signature): + cmd = SCons.Util.CLVar(['$SHLINK', '$SHLINKFLAGS']) + + dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX') + if dll: cmd.extend(['-o', dll]) + + cmd.extend(['$SOURCES', '$_LIBDIRFLAGS', '$_LIBFLAGS']) + + implib = env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX') + if implib: cmd.append('-Wl,--out-implib,'+implib.get_string(for_signature)) + + def_target = env.FindIxes(target, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX') + if def_target: cmd.append('-Wl,--output-def,'+def_target.get_string(for_signature)) + + return [cmd] + +def shlib_emitter(target, source, env): + dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX') + no_import_lib = env.get('no_import_lib', 0) + + if not dll: + raise SCons.Errors.UserError, "A shared library should have exactly one target with the suffix: %s" % env.subst("$SHLIBSUFFIX") + + if not no_import_lib and \ + not env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX'): + + # Append an import library to the list of targets. + target.append(env.ReplaceIxes(dll, + 'SHLIBPREFIX', 'SHLIBSUFFIX', + 'LIBPREFIX', 'LIBSUFFIX')) + + # Append a def file target if there isn't already a def file target + # or a def file source. There is no option to disable def file + # target emitting, because I can't figure out why someone would ever + # want to turn it off. + def_source = env.FindIxes(source, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX') + def_target = env.FindIxes(target, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX') + if not def_source and not def_target: + target.append(env.ReplaceIxes(dll, + 'SHLIBPREFIX', 'SHLIBSUFFIX', + 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')) + + return (target, source) + + +shlib_action = SCons.Action.Action(shlib_generator, '$SHLINKCOMSTR', generator=1) + +res_action = SCons.Action.Action('$RCCOM', '$RCCOMSTR') + +res_builder = SCons.Builder.Builder(action=res_action, suffix='.o', + source_scanner=SCons.Tool.SourceFileScanner) +SCons.Tool.SourceFileScanner.add_scanner('.rc', SCons.Defaults.CScan) + +def generate(env): + mingw_prefix = find(env) + + if mingw_prefix: + dir = os.path.dirname(env.WhereIs(mingw_prefix + 'gcc') or SCons.Util.WhereIs(mingw_prefix + 'gcc')) + + # The mingw bin directory must be added to the path: + path = env['ENV'].get('PATH', []) + if not path: + path = [] + if SCons.Util.is_String(path): + path = string.split(path, os.pathsep) + + env['ENV']['PATH'] = string.join([dir] + path, os.pathsep) + + # Most of mingw is the same as gcc and friends... + gnu_tools = ['gcc', 'g++', 'gnulink', 'ar', 'gas'] + for tool in gnu_tools: + SCons.Tool.Tool(tool)(env) + + #... but a few things differ: + env['CC'] = mingw_prefix + 'gcc' + env['SHCCFLAGS'] = SCons.Util.CLVar('$CCFLAGS') + env['CXX'] = mingw_prefix + 'g++' + env['SHCXXFLAGS'] = SCons.Util.CLVar('$CXXFLAGS') + env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -shared') + env['SHLINKCOM'] = shlib_action + env.Append(SHLIBEMITTER = [shlib_emitter]) + env['LINK'] = mingw_prefix + 'g++' + env['AR'] = mingw_prefix + 'ar' + env['RANLIB'] = mingw_prefix + 'ranlib' + env['LINK'] = mingw_prefix + 'g++' + env['AS'] = mingw_prefix + 'as' + env['WIN32DEFPREFIX'] = '' + env['WIN32DEFSUFFIX'] = '.def' + env['SHOBJSUFFIX'] = '.o' + env['STATIC_AND_SHARED_OBJECTS_ARE_THE_SAME'] = 1 + + env['RC'] = mingw_prefix + 'windres' + env['RCFLAGS'] = SCons.Util.CLVar('') + env['RCCOM'] = '$RC $_CPPDEFFLAGS $_CPPINCFLAGS ${INCPREFIX}${SOURCE.dir} $RCFLAGS -i $SOURCE -o $TARGET' + env['BUILDERS']['RES'] = res_builder + + # Some setting from the platform also have to be overridden: + env['OBJPREFIX'] = '' + env['OBJSUFFIX'] = '.o' + env['SHOBJPREFIX'] = '$OBJPREFIX' + env['SHOBJSUFFIX'] = '$OBJSUFFIX' + env['PROGPREFIX'] = '' + env['PROGSUFFIX'] = '.exe' + env['LIBPREFIX'] = 'lib' + env['LIBSUFFIX'] = '.a' + env['SHLIBPREFIX'] = '' + env['SHLIBSUFFIX'] = '.dll' + env['LIBPREFIXES'] = [ 'lib', '' ] + env['LIBSUFFIXES'] = [ '.a', '.lib' ] + + # MinGW port of gdb does not handle well dwarf debug info which is the + # default in recent gcc versions + env.AppendUnique(CCFLAGS = ['-gstabs']) + + env.AppendUnique(CPPDEFINES = [('__MSVCRT_VERSION__', '0x0700')]) + #env.AppendUnique(LIBS = ['iberty']) + env.AppendUnique(SHLINKFLAGS = ['-Wl,--enable-stdcall-fixup']) + #env.AppendUnique(SHLINKFLAGS = ['-Wl,--kill-at']) + + # Avoid depending on gcc runtime DLLs + env.AppendUnique(LINKFLAGS = ['-static-libgcc']) + +def exists(env): + return find(env) diff --git a/mesalib/src/glsl/ast_function.cpp b/mesalib/src/glsl/ast_function.cpp index 28d49ee0d..7611617df 100644 --- a/mesalib/src/glsl/ast_function.cpp +++ b/mesalib/src/glsl/ast_function.cpp @@ -75,7 +75,7 @@ prototype_string(const glsl_type *return_type, const char *name, char *str = NULL; if (return_type != NULL) - ralloc_asprintf(&str, "%s ", return_type->name); + str = ralloc_asprintf(NULL, "%s ", return_type->name); ralloc_asprintf_append(&str, "%s(", name); diff --git a/mesalib/src/glsl/glcpp/glcpp-parse.y b/mesalib/src/glsl/glcpp/glcpp-parse.y index aa5a0c4f2..1f6e67fa0 100644 --- a/mesalib/src/glsl/glcpp/glcpp-parse.y +++ b/mesalib/src/glsl/glcpp/glcpp-parse.y @@ -388,7 +388,12 @@ expression: $$ = $1 + $3; } | expression '%' expression { - $$ = $1 % $3; + if ($3 == 0) { + yyerror (& @1, parser, + "zero modulus in preprocessor directive"); + } else { + $$ = $1 % $3; + } } | expression '/' expression { if ($3 == 0) { diff --git a/mesalib/src/glsl/ir_constant_expression.cpp b/mesalib/src/glsl/ir_constant_expression.cpp index cf958aa7a..2841fb350 100644 --- a/mesalib/src/glsl/ir_constant_expression.cpp +++ b/mesalib/src/glsl/ir_constant_expression.cpp @@ -288,20 +288,24 @@ ir_expression::constant_expression_value() break; case ir_unop_rcp: + /* FINISHME: Emit warning when division-by-zero is detected. */ assert(op[0]->type->base_type == GLSL_TYPE_FLOAT); for (unsigned c = 0; c < op[0]->type->components(); c++) { switch (this->type->base_type) { case GLSL_TYPE_UINT: - if (op[0]->value.u[c] != 0.0) - data.u[c] = 1 / op[0]->value.u[c]; + if (op[0]->value.u[c] == 0.0) + return NULL; + data.u[c] = 1 / op[0]->value.u[c]; break; case GLSL_TYPE_INT: - if (op[0]->value.i[c] != 0.0) - data.i[c] = 1 / op[0]->value.i[c]; + if (op[0]->value.i[c] == 0.0) + return NULL; + data.i[c] = 1 / op[0]->value.i[c]; break; case GLSL_TYPE_FLOAT: - if (op[0]->value.f[c] != 0.0) - data.f[c] = 1.0F / op[0]->value.f[c]; + if (op[0]->value.f[c] == 0.0) + return NULL; + data.f[c] = 1.0F / op[0]->value.f[c]; break; default: assert(0); @@ -310,9 +314,13 @@ ir_expression::constant_expression_value() break; case ir_unop_rsq: + /* FINISHME: Emit warning when division-by-zero is detected. */ assert(op[0]->type->base_type == GLSL_TYPE_FLOAT); for (unsigned c = 0; c < op[0]->type->components(); c++) { - data.f[c] = 1.0F / sqrtf(op[0]->value.f[c]); + float s = sqrtf(op[0]->value.f[c]); + if (s == 0) + return NULL; + data.f[c] = 1.0F / s; } break; @@ -507,6 +515,7 @@ ir_expression::constant_expression_value() break; case ir_binop_div: + /* FINISHME: Emit warning when division-by-zero is detected. */ assert(op[0]->type == op[1]->type || op0_scalar || op1_scalar); for (unsigned c = 0, c0 = 0, c1 = 0; c < components; @@ -514,12 +523,18 @@ ir_expression::constant_expression_value() switch (op[0]->type->base_type) { case GLSL_TYPE_UINT: + if (op[1]->value.u[c1] == 0) + return NULL; data.u[c] = op[0]->value.u[c0] / op[1]->value.u[c1]; break; case GLSL_TYPE_INT: + if (op[1]->value.i[c1] == 0) + return NULL; data.i[c] = op[0]->value.i[c0] / op[1]->value.i[c1]; break; case GLSL_TYPE_FLOAT: + if (op[1]->value.f[c1] == 0) + return NULL; data.f[c] = op[0]->value.f[c0] / op[1]->value.f[c1]; break; default: @@ -529,6 +544,7 @@ ir_expression::constant_expression_value() break; case ir_binop_mod: + /* FINISHME: Emit warning when division-by-zero is detected. */ assert(op[0]->type == op[1]->type || op0_scalar || op1_scalar); for (unsigned c = 0, c0 = 0, c1 = 0; c < components; @@ -536,12 +552,18 @@ ir_expression::constant_expression_value() switch (op[0]->type->base_type) { case GLSL_TYPE_UINT: + if (op[1]->value.u[c1] == 0) + return NULL; data.u[c] = op[0]->value.u[c0] % op[1]->value.u[c1]; break; case GLSL_TYPE_INT: + if (op[1]->value.i[c1] == 0) + return NULL; data.i[c] = op[0]->value.i[c0] % op[1]->value.i[c1]; break; case GLSL_TYPE_FLOAT: + if (op[1]->value.f[c1] == 0) + return NULL; /* We don't use fmod because it rounds toward zero; GLSL specifies * the use of floor. */ |