X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=retrace.py;h=5913f56c8550a23dc162054d2a1765e8ec2add26;hb=ad60fd108d331796173ad54356855d9a2d0d87ba;hp=22ce5eda3066ff321b578bbf09659e2ea0e8bd46;hpb=02c2500281c9af1039c272874f38e7802c9acfb9;p=apitrace diff --git a/retrace.py b/retrace.py index 22ce5ed..5913f56 100644 --- a/retrace.py +++ b/retrace.py @@ -34,15 +34,16 @@ 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): + def visitOpaque(self, opaque): return opaque -def handle_entry(handle, value): +def lookupHandle(handle, value): if handle.key is None: return "__%s_map[%s]" % (handle.name, value) else: @@ -50,29 +51,28 @@ def handle_entry(handle, value): return "__%s_map[%s][%s]" % (handle.name, key_name, value) -class ValueExtractor(stdapi.Visitor): +class ValueDeserializer(stdapi.Visitor): - def visit_literal(self, literal, lvalue, rvalue): - #if literal.format in ('Bool', 'UInt'): - print ' %s = (%s).to%s();' % (lvalue, rvalue, literal.format) + def visitLiteral(self, literal, lvalue, rvalue): + print ' %s = (%s).to%s();' % (lvalue, rvalue, literal.kind) - def visit_const(self, const, lvalue, rvalue): + 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).toSInt();' % (lvalue, rvalue) + def visitEnum(self, enum, lvalue, rvalue): + print ' %s = static_cast<%s>((%s).toSInt());' % (lvalue, enum, 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.tag, rvalue) + 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) + print ' %s = _allocator.alloc<%s>(%s);' % (lvalue, array.type, length) index = '__j' + array.tag print ' for (size_t {i} = 0; {i} < {length}; ++{i}) {{'.format(i = index, length = length) try: @@ -83,10 +83,10 @@ class ValueExtractor(stdapi.Visitor): print ' %s = NULL;' % lvalue print ' }' - def visit_pointer(self, pointer, lvalue, rvalue): - print ' const Trace::Array *__a%s = dynamic_cast(&%s);' % (pointer.tag, rvalue) + 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) + print ' %s = _allocator.alloc<%s>();' % (lvalue, pointer.type) try: self.visit(pointer.type, '%s[0]' % (lvalue,), '*__a%s->values[0]' % (pointer.tag,)) finally: @@ -94,47 +94,56 @@ class ValueExtractor(stdapi.Visitor): print ' %s = NULL;' % lvalue print ' }' - def visit_handle(self, handle, lvalue, rvalue): - OpaqueValueExtractor().visit(handle.type, lvalue, rvalue); - new_lvalue = handle_entry(handle, 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): + def visitBlob(self, blob, lvalue, rvalue): print ' %s = static_cast<%s>((%s).toPointer());' % (lvalue, blob, rvalue) - def visit_string(self, string, lvalue, rvalue): + def visitString(self, string, lvalue, rvalue): print ' %s = (%s)((%s).toString());' % (lvalue, string.expr, rvalue) -class OpaqueValueExtractor(ValueExtractor): +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.''' - def visit_opaque(self, opaque, lvalue, rvalue): + def visitOpaque(self, opaque, lvalue, rvalue): print ' %s = static_cast<%s>(retrace::toPointer(%s));' % (lvalue, opaque, rvalue) -class ValueWrapper(stdapi.Visitor): +class SwizzledValueRegistrator(stdapi.Visitor): + '''Type visitor which will register (un)swizzled value pairs, to later be + swizzled.''' - def visit_literal(self, literal, lvalue, rvalue): + 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.tag, rvalue) + 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 @@ -145,20 +154,28 @@ class ValueWrapper(stdapi.Visitor): print ' }' print ' }' - def visit_pointer(self, pointer, lvalue, rvalue): - print ' const Trace::Array *__a%s = dynamic_cast(&%s);' % (pointer.tag, rvalue) + 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.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 - OpaqueValueExtractor().visit(handle.type, '__orig_result', rvalue); + OpaqueValueDeserializer().visit(handle.type, '__orig_result', rvalue); if handle.range is None: rvalue = "__orig_result" - entry = handle_entry(handle, rvalue) + entry = lookupHandle(handle, rvalue) print " %s = %s;" % (entry, lvalue) print ' if (retrace::verbosity >= 2) {' print ' std::cout << "{handle.name} " << {rvalue} << " -> " << {lvalue} << "\\n";'.format(**locals()) @@ -167,7 +184,7 @@ class ValueWrapper(stdapi.Visitor): i = '__h' + handle.tag lvalue = "%s + %s" % (lvalue, i) rvalue = "__orig_result + %s" % (i,) - entry = handle_entry(handle, rvalue) + 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) {' @@ -175,26 +192,28 @@ class ValueWrapper(stdapi.Visitor): 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 - self.retrace_function_body(function) + def retraceFunction(self, function): + print 'static void retrace_%s(trace::Call &call) {' % function.name + self.retraceFunctionBody(function) print '}' print - def retrace_function_body(self, function): + def retraceFunctionBody(self, function): if not function.sideeffects: print ' (void)call;' return + print ' retrace::ScopedAllocator _allocator;' + print ' (void)_allocator;' success = True for arg in function.args: arg_type = ConstRemover().visit(arg.type) @@ -203,49 +222,53 @@ 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 print ' %s = 0; // FIXME' % arg.name if not success: print ' if (1) {' - self.fail_function(function) + self.failFunction(function) print ' }' - self.call_function(function) + self.invokeFunction(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 ' // 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 ' // XXX: result' if not success: if function.name[-1].islower(): sys.stderr.write('warning: unsupported %s call\n' % function.name) - def fail_function(self, function): + def failFunction(self, function): print ' if (retrace::verbosity >= 0) {' print ' retrace::unsupported(call);' print ' }' print ' return;' - def extract_arg(self, function, arg, arg_type, lvalue, rvalue): - ValueExtractor().visit(arg_type, lvalue, rvalue) + def extractArg(self, function, arg, arg_type, lvalue, rvalue): + ValueDeserializer().visit(arg_type, lvalue, rvalue) - def extract_opaque_arg(self, function, arg, arg_type, lvalue, rvalue): - OpaqueValueExtractor().visit(arg_type, lvalue, rvalue) + def extractOpaqueArg(self, function, arg, arg_type, lvalue, rvalue): + OpaqueValueDeserializer().visit(arg_type, lvalue, rvalue) + + def regiterSwizzledValue(self, type, lvalue, rvalue): + visitor = SwizzledValueRegistrator() + visitor.visit(type, lvalue, rvalue) - def call_function(self, function): - arg_names = ", ".join([arg.name for arg in function.args]) + 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) @@ -253,16 +276,16 @@ class Retracer: else: print ' %s(%s);' % (function.name, arg_names) - def filter_function(self, function): + def filterFunction(self, function): return True table_name = 'retrace::callbacks' - def retrace_functions(self, functions): - functions = filter(self.filter_function, functions) + def retraceFunctions(self, functions): + functions = filter(self.filterFunction, functions) for function in functions: - self.retrace_function(function) + self.retraceFunction(function) print 'const retrace::Entry %s[] = {' % self.table_name for function in functions: @@ -272,13 +295,14 @@ class Retracer: print - def retrace_api(self, api): + def retraceApi(self, api): + print '#include "os_time.hpp"' 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: @@ -291,5 +315,5 @@ class Retracer: handle_names.add(handle.name) print - self.retrace_functions(api.functions) + self.retraceFunctions(api.functions)