X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=retrace.py;h=15cdaf5038e328d05e8646c564670d9ffe8c13fa;hb=8e3c2c0d01c7ec5479845fedc053da00fa88e76a;hp=6dfd0a26e73d3141bae34a0800a1e50afdf3413c;hpb=4441baf48293cb525f2a65f6c3bce627c4576298;p=apitrace diff --git a/retrace.py b/retrace.py index 6dfd0a2..15cdaf5 100644 --- a/retrace.py +++ b/retrace.py @@ -24,142 +24,224 @@ ##########################################################################/ -import stdapi -import glapi +"""Generic retracing code generator.""" +import sys + +import specs.stdapi as stdapi +import specs.glapi as glapi + class ConstRemover(stdapi.Rebuilder): + '''Type visitor which strips out const qualifiers from types.''' - def visit_const(self, const): + def visitConst(self, const): return const.type - def visit_opaque(self, opaque): - expr = opaque.expr - if expr.startswith('const '): - expr = expr[6:] - return stdapi.Opaque(expr) + def visitOpaque(self, opaque): + return opaque -class ValueExtractor(stdapi.Visitor): +def lookupHandle(handle, value): + if handle.key is None: + return "__%s_map[%s]" % (handle.name, value) + else: + key_name, key_type = handle.key + return "__%s_map[%s][%s]" % (handle.name, key_name, value) - def visit_literal(self, literal, lvalue, rvalue): - if literal.format == 'Bool': - print ' %s = static_cast(%s);' % (lvalue, rvalue) - else: - print ' %s = %s;' % (lvalue, rvalue) - def visit_const(self, const, lvalue, rvalue): +class ValueDeserializer(stdapi.Visitor): + + def visitLiteral(self, literal, lvalue, rvalue): + print ' %s = (%s).to%s();' % (lvalue, rvalue, literal.kind) + + def visitConst(self, const, lvalue, rvalue): self.visit(const.type, lvalue, rvalue) - def visit_alias(self, alias, lvalue, rvalue): + def visitAlias(self, alias, lvalue, rvalue): self.visit(alias.type, lvalue, rvalue) - def visit_enum(self, enum, lvalue, rvalue): - print ' %s = %s;' % (lvalue, rvalue) + def visitEnum(self, enum, lvalue, rvalue): + print ' %s = (%s).toSInt();' % (lvalue, rvalue) - def visit_bitmask(self, bitmask, lvalue, rvalue): + def visitBitmask(self, bitmask, lvalue, rvalue): self.visit(bitmask.type, lvalue, rvalue) - def visit_array(self, array, lvalue, rvalue): - print ' const Trace::Array *__a%s = dynamic_cast(&%s);' % (array.id, rvalue) - print ' if (__a%s) {' % (array.id) - length = '__a%s->values.size()' % array.id + def visitArray(self, array, lvalue, rvalue): + print ' const trace::Array *__a%s = dynamic_cast(&%s);' % (array.tag, rvalue) + print ' if (__a%s) {' % (array.tag) + length = '__a%s->values.size()' % array.tag print ' %s = new %s[%s];' % (lvalue, array.type, length) - index = '__j' + array.id - print ' for(size_t {i} = 0; {i} < {length}; ++{i}) {{'.format(i = index, length = length) + index = '__j' + array.tag + print ' for (size_t {i} = 0; {i} < {length}; ++{i}) {{'.format(i = index, length = length) try: - self.visit(array.type, '%s[%s]' % (lvalue, index), '*__a%s->values[%s]' % (array.id, index)) + self.visit(array.type, '%s[%s]' % (lvalue, index), '*__a%s->values[%s]' % (array.tag, index)) finally: print ' }' print ' } else {' print ' %s = NULL;' % lvalue print ' }' - def visit_pointer(self, pointer, lvalue, rvalue): - print ' const Trace::Array *__a%s = dynamic_cast(&%s);' % (pointer.id, rvalue) - print ' if (__a%s) {' % (pointer.id) + def visitPointer(self, pointer, lvalue, rvalue): + print ' const trace::Array *__a%s = dynamic_cast(&%s);' % (pointer.tag, rvalue) + print ' if (__a%s) {' % (pointer.tag) print ' %s = new %s;' % (lvalue, pointer.type) try: - self.visit(pointer.type, '%s[0]' % (lvalue,), '*__a%s->values[0]' % (pointer.id,)) + self.visit(pointer.type, '%s[0]' % (lvalue,), '*__a%s->values[0]' % (pointer.tag,)) finally: print ' } else {' print ' %s = NULL;' % lvalue print ' }' - def visit_handle(self, handle, lvalue, rvalue): - self.visit(handle.type, lvalue, "__%s_map[%s]" %(handle.name, rvalue)); - print ' if (verbosity >= 2)' - print ' std::cout << "%s " << static_cast<%s>(%s) << " <- " << %s << "\\n";' % (handle.name, handle.type, rvalue, lvalue) + def visitIntPointer(self, pointer, lvalue, rvalue): + print ' %s = static_cast<%s>((%s).toPointer());' % (lvalue, pointer, rvalue) + + def visitLinearPointer(self, pointer, lvalue, rvalue): + print ' %s = static_cast<%s>(retrace::toPointer(%s));' % (lvalue, pointer, rvalue) + + def visitHandle(self, handle, lvalue, rvalue): + #OpaqueValueDeserializer().visit(handle.type, lvalue, rvalue); + self.visit(handle.type, lvalue, rvalue); + new_lvalue = lookupHandle(handle, lvalue) + print ' if (retrace::verbosity >= 2) {' + print ' std::cout << "%s " << size_t(%s) << " <- " << size_t(%s) << "\\n";' % (handle.name, lvalue, new_lvalue) + print ' }' + print ' %s = %s;' % (lvalue, new_lvalue) - def visit_blob(self, blob, lvalue, rvalue): - print ' %s = static_cast<%s>((%s).blob());' % (lvalue, blob, rvalue) + def visitBlob(self, blob, lvalue, rvalue): + print ' %s = static_cast<%s>((%s).toPointer());' % (lvalue, blob, rvalue) - def visit_string(self, string, lvalue, rvalue): - print ' %s = (%s)((%s).string());' % (lvalue, string.expr, rvalue) + def visitString(self, string, lvalue, rvalue): + print ' %s = (%s)((%s).toString());' % (lvalue, string.expr, rvalue) + +class OpaqueValueDeserializer(ValueDeserializer): + '''Value extractor that also understands opaque values. + Normally opaque values can't be retraced, unless they are being extracted + in the context of handles.''' -class ValueWrapper(stdapi.Visitor): + def visitOpaque(self, opaque, lvalue, rvalue): + print ' %s = static_cast<%s>(retrace::toPointer(%s));' % (lvalue, opaque, rvalue) - def visit_literal(self, literal, lvalue, rvalue): + +class SwizzledValueRegistrator(stdapi.Visitor): + '''Type visitor which will register (un)swizzled value pairs, to later be + swizzled.''' + + def visitLiteral(self, literal, lvalue, rvalue): pass - def visit_alias(self, alias, lvalue, rvalue): + def visitAlias(self, alias, lvalue, rvalue): self.visit(alias.type, lvalue, rvalue) - def visit_enum(self, enum, lvalue, rvalue): + def visitEnum(self, enum, lvalue, rvalue): pass - def visit_bitmask(self, bitmask, lvalue, rvalue): + def visitBitmask(self, bitmask, lvalue, rvalue): pass - def visit_array(self, array, lvalue, rvalue): - print ' const Trace::Array *__a%s = dynamic_cast(&%s);' % (array.id, rvalue) - print ' if (__a%s) {' % (array.id) - length = '__a%s->values.size()' % array.id - index = '__j' + array.id - print ' for(size_t {i} = 0; {i} < {length}; ++{i}) {{'.format(i = index, length = length) + def visitArray(self, array, lvalue, rvalue): + print ' const trace::Array *__a%s = dynamic_cast(&%s);' % (array.tag, rvalue) + print ' if (__a%s) {' % (array.tag) + length = '__a%s->values.size()' % array.tag + index = '__j' + array.tag + print ' for (size_t {i} = 0; {i} < {length}; ++{i}) {{'.format(i = index, length = length) try: - self.visit(array.type, '%s[%s]' % (lvalue, index), '*__a%s->values[%s]' % (array.id, index)) + self.visit(array.type, '%s[%s]' % (lvalue, index), '*__a%s->values[%s]' % (array.tag, index)) finally: print ' }' print ' }' - def visit_pointer(self, pointer, lvalue, rvalue): - print ' const Trace::Array *__a%s = dynamic_cast(&%s);' % (pointer.id, rvalue) - print ' if (__a%s) {' % (pointer.id) + def visitPointer(self, pointer, lvalue, rvalue): + print ' const trace::Array *__a%s = dynamic_cast(&%s);' % (pointer.tag, rvalue) + print ' if (__a%s) {' % (pointer.tag) try: - self.visit(pointer.type, '%s[0]' % (lvalue,), '*__a%s->values[0]' % (pointer.id,)) + self.visit(pointer.type, '%s[0]' % (lvalue,), '*__a%s->values[0]' % (pointer.tag,)) finally: print ' }' - - def visit_handle(self, handle, lvalue, rvalue): + def visitIntPointer(self, pointer, lvalue, rvalue): + pass + + def visitLinearPointer(self, pointer, lvalue, rvalue): + assert pointer.size is not None + if pointer.size is not None: + print r' retrace::addRegion((%s).toUIntPtr(), %s, %s);' % (rvalue, lvalue, pointer.size) + + def visitHandle(self, handle, lvalue, rvalue): + print ' %s __orig_result;' % handle.type + OpaqueValueDeserializer().visit(handle.type, '__orig_result', rvalue); if handle.range is None: - print " __{handle.name}_map[static_cast<{handle.type}>({rvalue})] = {lvalue};".format(**locals()) - print ' if (verbosity >= 2)' - print ' std::cout << "{handle.name} " << static_cast<{handle.type}>({rvalue}) << " -> " << {lvalue} << "\\n";'.format(**locals()) + rvalue = "__orig_result" + entry = lookupHandle(handle, rvalue) + print " %s = %s;" % (entry, lvalue) + print ' if (retrace::verbosity >= 2) {' + print ' std::cout << "{handle.name} " << {rvalue} << " -> " << {lvalue} << "\\n";'.format(**locals()) + print ' }' else: - i = '__h' + handle.id - print ' for({handle.type} {i} = 0; {i} < {handle.range}; ++{i}) {{'.format(**locals()) - print ' __{handle.name}_map[static_cast<{handle.type}>({rvalue}) + {i}] = {lvalue} + {i};'.format(**locals()) - print ' if (verbosity >= 2)' - print ' std::cout << "{handle.name} " << (static_cast<{handle.type}>({rvalue}) + {i}) << " -> " << ({lvalue} + {i}) << "\\n";'.format(**locals()) + i = '__h' + handle.tag + lvalue = "%s + %s" % (lvalue, i) + rvalue = "__orig_result + %s" % (i,) + entry = lookupHandle(handle, rvalue) + print ' for ({handle.type} {i} = 0; {i} < {handle.range}; ++{i}) {{'.format(**locals()) + print ' {entry} = {lvalue};'.format(**locals()) + print ' if (retrace::verbosity >= 2) {' + print ' std::cout << "{handle.name} " << ({rvalue}) << " -> " << ({lvalue}) << "\\n";'.format(**locals()) + print ' }' print ' }' - def visit_blob(self, blob, lvalue, rvalue): + def visitBlob(self, blob, lvalue, rvalue): pass - def visit_string(self, string, lvalue, rvalue): + def visitString(self, string, lvalue, rvalue): pass - class Retracer: - def retrace_function(self, function): - print 'static void retrace_%s(Trace::Call &call) {' % function.name + def retraceFunction(self, function): + print 'static void retrace_%s(trace::Call &call) {' % function.name + self.retraceFunctionBody(function) + print '}' + print + + def retraceInterfaceMethod(self, interface, method): + print 'static void retrace_%s__%s(trace::Call &call) {' % (interface.name, method.name) + self.retraceInterfaceMethodBody(interface, method) + print '}' + print + + def retraceFunctionBody(self, function): + if not function.sideeffects: + print ' (void)call;' + return + + self.deserializeArgs(function) + + self.invokeFunction(function) + + self.swizzleValues(function) + + def retraceInterfaceMethodBody(self, interface, method): + if not method.sideeffects: + print ' (void)call;' + return + + self.deserializeThisPointer(interface) + + self.deserializeArgs(method) + + self.invokeInterfaceMethod(interface, method) + + self.swizzleValues(method) + + def deserializeThisPointer(self, interface): + print ' %s *_this;' % (interface.name,) + # FIXME + + def deserializeArgs(self, function): success = True for arg in function.args: arg_type = ConstRemover().visit(arg.type) @@ -168,220 +250,109 @@ class Retracer: rvalue = 'call.arg(%u)' % (arg.index,) lvalue = arg.name try: - self.extract_arg(function, arg, arg_type, lvalue, rvalue) + self.extractArg(function, arg, arg_type, lvalue, rvalue) except NotImplementedError: - success = False + success = False print ' %s = 0; // FIXME' % arg.name + if not success: - print ' std::cerr << "warning: unsupported call %s\\n";' % function.name - print ' return;' - arg_names = ", ".join([arg.name for arg in function.args]) - if function.type is not stdapi.Void: - print ' %s __result;' % (function.type) - print ' __result = %s(%s);' % (function.name, arg_names) - else: - print ' %s(%s);' % (function.name, arg_names) + print ' if (1) {' + self.failFunction(function) + if function.name[-1].islower(): + sys.stderr.write('warning: unsupported %s call\n' % function.name) + print ' }' + + def swizzleValues(self, function): for arg in function.args: if arg.output: arg_type = ConstRemover().visit(arg.type) rvalue = 'call.arg(%u)' % (arg.index,) lvalue = arg.name try: - ValueWrapper().visit(arg_type, lvalue, rvalue) + self.regiterSwizzledValue(arg_type, lvalue, rvalue) except NotImplementedError: - print ' // FIXME: %s' % arg.name + print ' // XXX: %s' % arg.name if function.type is not stdapi.Void: rvalue = '*call.ret' lvalue = '__result' try: - ValueWrapper().visit(function.type, lvalue, rvalue) + self.regiterSwizzledValue(function.type, lvalue, rvalue) except NotImplementedError: - print ' // FIXME: result' - print '}' - print + print ' // XXX: result' - def extract_arg(self, function, arg, arg_type, lvalue, rvalue): - ValueExtractor().visit(arg_type, lvalue, rvalue) + def failFunction(self, function): + print ' if (retrace::verbosity >= 0) {' + print ' retrace::unsupported(call);' + print ' }' + print ' return;' - def filter_function(self, function): - return True + def extractArg(self, function, arg, arg_type, lvalue, rvalue): + ValueDeserializer().visit(arg_type, lvalue, rvalue) + + def extractOpaqueArg(self, function, arg, arg_type, lvalue, rvalue): + OpaqueValueDeserializer().visit(arg_type, lvalue, rvalue) - def retrace_functions(self, functions): - functions = filter(self.filter_function, functions) + def regiterSwizzledValue(self, type, lvalue, rvalue): + visitor = SwizzledValueRegistrator() + visitor.visit(type, lvalue, rvalue) - for function in functions: - if function.sideeffects: - self.retrace_function(function) + def invokeFunction(self, function): + arg_names = ", ".join(function.argNames()) + if function.type is not stdapi.Void: + print ' %s __result;' % (function.type) + print ' __result = %s(%s);' % (function.name, arg_names) + print ' (void)__result;' + else: + print ' %s(%s);' % (function.name, arg_names) - print 'static bool retrace_call(Trace::Call &call) {' - for function in functions: - if not function.sideeffects: - print ' if (call.name == "%s") {' % function.name - print ' return true;' - print ' }' - print - print ' if (verbosity >=1 ) {' - print ' std::cout << call;' - print ' std::cout.flush();' - print ' };' - print - for function in functions: - if function.sideeffects: - print ' if (call.name == "%s") {' % function.name - print ' retrace_%s(call);' % function.name - print ' return true;' - print ' }' - print ' std::cerr << "warning: unknown call " << call.name << "\\n";' - print ' return false;' - print '}' - print + def invokeInterfaceMethod(self, interface, method): + arg_names = ", ".join(method.argNames()) + if method.type is not stdapi.Void: + print ' %s __result;' % (method.type) + print ' __result = _this->%s(%s);' % (method.name, arg_names) + print ' (void)__result;' + else: + print ' _this->%s(%s);' % (method.name, arg_names) + + def filterFunction(self, function): + return True + table_name = 'retrace::callbacks' - def retrace_api(self, api): + def retraceApi(self, api): print '#include "trace_parser.hpp"' + print '#include "retrace.hpp"' print - types = api.all_types() + types = api.getAllTypes() handles = [type for type in types if isinstance(type, stdapi.Handle)] handle_names = set() for handle in handles: if handle.name not in handle_names: - print 'static std::map<%s, %s> __%s_map;' % (handle.type, handle.type, handle.name) + if handle.key is None: + print 'static retrace::map<%s> __%s_map;' % (handle.type, handle.name) + else: + key_name, key_type = handle.key + print 'static std::map<%s, retrace::map<%s> > __%s_map;' % (key_type, handle.type, handle.name) handle_names.add(handle.name) print - print 'unsigned verbosity = 0;' + functions = filter(self.filterFunction, api.functions) + for function in functions: + self.retraceFunction(function) + interfaces = api.getAllInterfaces() + for interface in interfaces: + for method in interface.iterMethods(): + self.retraceInterfaceMethod(interface, method) + + print 'const retrace::Entry %s[] = {' % self.table_name + for function in functions: + print ' {"%s", &retrace_%s},' % (function.name, function.name) + for interface in interfaces: + for method in interface.iterMethods(): + print ' {"%s::%s", &retrace_%s__%s},' % (interface.name, method.name, interface.name, method.name) + print ' {NULL, NULL}' + print '};' print - self.retrace_functions(api.functions) - - -if __name__ == '__main__': - print - print '#include ' - print '#include ' - print - print '#ifdef WIN32' - print '#include ' - print '#endif' - print - print '#include ' - print '#include ' - print - retrace_api(glapi.glapi) - print ''' - -Trace::Parser parser; - -static bool insideGlBeginEnd; - -static void display(void) { - Trace::Call *call; - - while ((call = parser.parse_call())) { - if (call->name == "glFlush" || - call->name == "glXSwapBuffers" || - call->name == "wglSwapBuffers") { - glFlush(); - return; - } - - retrace_call(*call); - - if (call->name == "glBegin") { - insideGlBeginEnd = true; - } - - if (call->name == "glEnd") { - insideGlBeginEnd = false; - } - - if (!insideGlBeginEnd) { - GLenum error = glGetError(); - if (error != GL_NO_ERROR) { - std::cerr << "warning: glGetError() = "; - switch (error) { - case GL_INVALID_ENUM: - std::cerr << "GL_INVALID_ENUM"; - break; - case GL_INVALID_VALUE: - std::cerr << "GL_INVALID_VALUE"; - break; - case GL_INVALID_OPERATION: - std::cerr << "GL_INVALID_OPERATION"; - break; - case GL_STACK_OVERFLOW: - std::cerr << "GL_STACK_OVERFLOW"; - break; - case GL_STACK_UNDERFLOW: - std::cerr << "GL_STACK_UNDERFLOW"; - break; - case GL_OUT_OF_MEMORY: - std::cerr << "GL_OUT_OF_MEMORY"; - break; - case GL_INVALID_FRAMEBUFFER_OPERATION: - std::cerr << "GL_INVALID_FRAMEBUFFER_OPERATION"; - break; - case GL_TABLE_TOO_LARGE: - std::cerr << "GL_TABLE_TOO_LARGE"; - break; - default: - std::cerr << error; - break; - } - std::cerr << "\\n"; - } - } - } - - glFlush(); - glutIdleFunc(NULL); -} - -static void idle(void) { - glutPostRedisplay(); -} - -int main(int argc, char **argv) -{ - glutInit(&argc, argv); - glutInitWindowPosition(0, 0); - glutInitWindowSize(800, 600); - glutInitDisplayMode(GLUT_DEPTH | GLUT_RGB | GLUT_SINGLE); - glutCreateWindow(argv[0]); - glewInit(); - - glutDisplayFunc(&display); - glutIdleFunc(&idle); - - int i; - for (i = 1; i < argc; ++i) { - const char *arg = argv[i]; - - if (arg[0] != '-') { - break; - } - - if (!strcmp(arg, "--")) { - break; - } - else if (!strcmp(arg, "-v")) { - ++verbosity; - } else { - std::cerr << "error: unknown option " << arg << "\\n"; - return 1; - } - } - - for ( ; i < argc; ++i) { - if (parser.open(argv[i])) { - glutMainLoop(); - parser.close(); - } - } - - return 0; -} - -'''