diff options
Diffstat (limited to 'clang/utils/ABITest/ABITestGen.py')
| -rwxr-xr-x | clang/utils/ABITest/ABITestGen.py | 59 |
1 files changed, 52 insertions, 7 deletions
diff --git a/clang/utils/ABITest/ABITestGen.py b/clang/utils/ABITest/ABITestGen.py index 957ce2bb16b..8f922d7e52f 100755 --- a/clang/utils/ABITest/ABITestGen.py +++ b/clang/utils/ABITest/ABITestGen.py @@ -21,6 +21,7 @@ class TypePrinter: self.types = {} self.testValues = {} self.testReturnValues = {} + self.layoutTests = [] if info: for f in (self.output,self.outputHeader,self.outputTests,self.outputDriver): @@ -41,9 +42,16 @@ class TypePrinter: print >>self.outputDriver, 'int main(int argc, char **argv) {' def finish(self): + if self.layoutTests: + print >>self.output, 'int main(int argc, char **argv) {' + for f in self.layoutTests: + print >>self.output, ' %s();' % f + print >>self.output, ' return 0;' + print >>self.output, '}' + if self.outputDriver: print >>self.outputDriver, ' return 0;' - print >>self.outputDriver, '}' + print >>self.outputDriver, '}' def getTypeName(self, T): if isinstance(T,BuiltinType): @@ -62,6 +70,20 @@ class TypePrinter: self.types[T] = name return name + def writeLayoutTest(self, i, ty): + tyName = self.getTypeName(ty) + tyNameClean = tyName.replace(' ','_').replace('*','star') + fnName = 'test_%s' % tyNameClean + + print >>self.output,'void %s(void) {' % fnName + self.printSizeOfType(' %s'%fnName, tyName, ty, self.output) + self.printAlignOfType(' %s'%fnName, tyName, ty, self.output) + self.printOffsetsOfType(' %s'%fnName, tyName, ty, self.output) + print >>self.output,'}' + print >>self.output + + self.layoutTests.append(fnName) + def writeFunction(self, i, FT): args = ', '.join(['%s arg%d'%(self.getTypeName(t),i) for i,t in enumerate(FT.argTypes)]) if not args: @@ -194,6 +216,16 @@ class TypePrinter: else: raise NotImplementedError,'Cannot make tests values of type: "%s"'%(t,) + def printSizeOfType(self, prefix, name, t, output=None, indent=2): + print >>output, '%*sprintf("%s: sizeof(%s) = %%ld\\n", sizeof(%s));'%(indent, '', prefix, name, name) + def printAlignOfType(self, prefix, name, t, output=None, indent=2): + print >>output, '%*sprintf("%s: __alignof__(%s) = %%ld\\n", __alignof__(%s));'%(indent, '', prefix, name, name) + def printOffsetsOfType(self, prefix, name, t, output=None, indent=2): + if isinstance(t, RecordType): + for i,f in enumerate(t.fields): + fname = 'field%d' % i + print >>output, '%*sprintf("%s: __builtin_offsetof(%s, %s) = %%ld\\n", __builtin_offsetof(%s, %s));'%(indent, '', prefix, name, fname, name, fname) + def printValueOfType(self, prefix, name, t, output=None, indent=2): if output is None: output = self.output @@ -263,6 +295,9 @@ def main(): parser.add_option("-D", "--output-driver", dest="outputDriver", metavar="FILE", help="write test driver to FILE [default %default]", type=str, default=None) + parser.add_option("", "--test-layout", dest="testLayout", metavar="FILE", + help="test structure layout", + action='store_true', default=False) group = OptionGroup(parser, "Type Enumeration Options") # Builtins - Ints @@ -325,7 +360,7 @@ def main(): action="store_false", default=True) group.add_option("", "--vector-sizes", dest="vectorSizes", help="comma separated list of sizes for vectors [default %default]", - action="store", type=str, default='4,8', metavar="N") + action="store", type=str, default='8,16', metavar="N") group.add_option("", "--max-args", dest="functionMaxArgs", help="maximum number of arguments per function [default %default]", @@ -369,7 +404,8 @@ def main(): btg = FixedTypeGenerator([BuiltinType(n,s) for n,s in builtins]) sbtg = FixedTypeGenerator([BuiltinType('char',1), BuiltinType('int',4), - BuiltinType('float',4)]) + BuiltinType('float',4), + BuiltinType('double',8)]) atg = AnyTypeGenerator() artg = AnyTypeGenerator() @@ -408,7 +444,10 @@ def main(): atg = AnyTypeGenerator() makeGenerator(atg, base, True, False) - ftg = FunctionTypeGenerator(atg, opts.functionUseReturn, opts.functionMaxArgs) + if opts.testLayout: + ftg = atg + else: + ftg = FunctionTypeGenerator(atg, opts.functionUseReturn, opts.functionMaxArgs) # Override max,min,count if finite if opts.maxIndex is None: @@ -447,23 +486,29 @@ def main(): info += '// Generated: %s\n'%(time.strftime('%Y-%m-%d %H:%M'),) info += '// Cardinality of function generator: %s\n'%(ftg.cardinality,) info += '// Cardinality of type generator: %s\n'%(atg.cardinality,) + + if opts.testLayout: + info += '\n#include <stdio.h>' P = TypePrinter(output, outputHeader=outputHeader, outputTests=outputTests, outputDriver=outputDriver, - headerName=opts.outputHeader, + headerName=opts.outputHeader, info=info) def write(N): - try: + try: FT = ftg.get(N) except RuntimeError,e: if e.args[0]=='maximum recursion depth exceeded': print >>sys.stderr,'WARNING: Skipped %d, recursion limit exceeded (bad arguments?)'%(N,) return raise - P.writeFunction(N, FT) + if opts.testLayout: + P.writeLayoutTest(N, FT) + else: + P.writeFunction(N, FT) if args: [write(int(a)) for a in args] |
