X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=retrace.py;h=9e9af208f53186d3fe6054406b4f3aad6d99d8e0;hb=452d3256a3ba7f249222ef857d69c8caaaa753f3;hp=ebbbf44c77a40202f3458c9cd87425a2512e06d0;hpb=6d6bd9ba54096b4064efd519670ea7b39175fa47;p=apitrace diff --git a/retrace.py b/retrace.py index ebbbf44..9e9af20 100644 --- a/retrace.py +++ b/retrace.py @@ -33,6 +33,10 @@ import specs.stdapi as stdapi import specs.glapi as glapi +class UnsupportedType(Exception): + pass + + class MutableRebuilder(stdapi.Rebuilder): '''Type visitor which derives a mutable type.''' @@ -51,10 +55,6 @@ class MutableRebuilder(stdapi.Rebuilder): # Strip out references return reference.type - def visitOpaque(self, opaque): - # Don't recursule - return opaque - def lookupHandle(handle, value): if handle.key is None: @@ -64,6 +64,60 @@ def lookupHandle(handle, value): return "__%s_map[%s][%s]" % (handle.name, key_name, value) +class ValueAllocator(stdapi.Visitor): + + def visitLiteral(self, literal, lvalue, rvalue): + pass + + def visitConst(self, const, lvalue, rvalue): + self.visit(const.type, lvalue, rvalue) + + def visitAlias(self, alias, lvalue, rvalue): + self.visit(alias.type, lvalue, rvalue) + + def visitEnum(self, enum, lvalue, rvalue): + pass + + def visitBitmask(self, bitmask, lvalue, rvalue): + pass + + def visitArray(self, array, lvalue, rvalue): + print ' %s = _allocator.alloc<%s>(&%s);' % (lvalue, array.type, rvalue) + + def visitPointer(self, pointer, lvalue, rvalue): + print ' %s = _allocator.alloc<%s>(&%s);' % (lvalue, pointer.type, rvalue) + + def visitIntPointer(self, pointer, lvalue, rvalue): + pass + + def visitObjPointer(self, pointer, lvalue, rvalue): + pass + + def visitLinearPointer(self, pointer, lvalue, rvalue): + pass + + def visitReference(self, reference, lvalue, rvalue): + self.visit(reference.type, lvalue, rvalue); + + def visitHandle(self, handle, lvalue, rvalue): + pass + + def visitBlob(self, blob, lvalue, rvalue): + pass + + def visitString(self, string, lvalue, rvalue): + pass + + def visitStruct(self, struct, lvalue, rvalue): + pass + + def visitPolymorphic(self, polymorphic, lvalue, rvalue): + self.visit(polymorphic.defaultType, lvalue, rvalue) + + def visitOpaque(self, opaque, lvalue, rvalue): + pass + + class ValueDeserializer(stdapi.Visitor): def visitLiteral(self, literal, lvalue, rvalue): @@ -81,45 +135,44 @@ class ValueDeserializer(stdapi.Visitor): def visitBitmask(self, bitmask, lvalue, rvalue): self.visit(bitmask.type, lvalue, rvalue) - allocated = False - def visitArray(self, array, lvalue, rvalue): - print ' const trace::Array *__a%s = dynamic_cast(&%s);' % (array.tag, rvalue) - length = '__a%s->values.size()' % array.tag - allocated = self.allocated - if not allocated: - print ' if (__a%s) {' % (array.tag) - print ' %s = _allocator.alloc<%s>(%s);' % (lvalue, array.type, length) - self.allocated = True + + tmp = '__a_' + array.tag + '_' + str(self.seq) + self.seq += 1 + + print ' if (%s) {' % (lvalue,) + print ' const trace::Array *%s = dynamic_cast(&%s);' % (tmp, rvalue) + length = '%s->values.size()' % (tmp,) 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.tag, index)) + self.visit(array.type, '%s[%s]' % (lvalue, index), '*%s->values[%s]' % (tmp, index)) finally: print ' }' - if not allocated: - print ' } else {' - print ' %s = NULL;' % lvalue - print ' }' + print ' }' def visitPointer(self, pointer, lvalue, rvalue): - print ' const trace::Array *__a%s = dynamic_cast(&%s);' % (pointer.tag, rvalue) - allocated = self.allocated - if not allocated: - print ' if (__a%s) {' % (pointer.tag) - print ' %s = _allocator.alloc<%s>();' % (lvalue, pointer.type) - self.allocated = True + tmp = '__a_' + pointer.tag + '_' + str(self.seq) + self.seq += 1 + + print ' if (%s) {' % (lvalue,) + print ' const trace::Array *%s = dynamic_cast(&%s);' % (tmp, rvalue) try: - self.visit(pointer.type, '%s[0]' % (lvalue,), '*__a%s->values[0]' % (pointer.tag,)) + self.visit(pointer.type, '%s[0]' % (lvalue,), '*%s->values[0]' % (tmp,)) finally: - if not allocated: - print ' } else {' - print ' %s = NULL;' % lvalue - print ' }' + print ' }' def visitIntPointer(self, pointer, lvalue, rvalue): print ' %s = static_cast<%s>((%s).toPointer());' % (lvalue, pointer, rvalue) + def visitObjPointer(self, pointer, lvalue, rvalue): + old_lvalue = '(%s).toUIntPtr()' % (rvalue,) + new_lvalue = '_obj_map[%s]' % (old_lvalue,) + print ' if (retrace::verbosity >= 2) {' + print ' std::cout << std::hex << "obj 0x" << size_t(%s) << " <- 0x" << size_t(%s) << std::dec <<"\\n";' % (old_lvalue, new_lvalue) + print ' }' + print ' %s = static_cast<%s>(%s);' % (lvalue, pointer, new_lvalue) + def visitLinearPointer(self, pointer, lvalue, rvalue): print ' %s = static_cast<%s>(retrace::toPointer(%s));' % (lvalue, pointer, rvalue) @@ -149,11 +202,16 @@ class ValueDeserializer(stdapi.Visitor): print ' const trace::Struct *%s = dynamic_cast(&%s);' % (tmp, rvalue) print ' assert(%s);' % (tmp) - self.allocated = True for i in range(len(struct.members)): member_type, member_name = struct.members[i] self.visit(member_type, '%s.%s' % (lvalue, member_name), '*%s->members[%s]' % (tmp, i)) + def visitPolymorphic(self, polymorphic, lvalue, rvalue): + self.visit(polymorphic.defaultType, lvalue, rvalue) + + def visitOpaque(self, opaque, lvalue, rvalue): + raise UnsupportedType + class OpaqueValueDeserializer(ValueDeserializer): '''Value extractor that also understands opaque values. @@ -204,6 +262,9 @@ class SwizzledValueRegistrator(stdapi.Visitor): def visitIntPointer(self, pointer, lvalue, rvalue): pass + def visitObjPointer(self, pointer, lvalue, rvalue): + print r' _obj_map[(%s).toUIntPtr()] = %s;' % (rvalue, lvalue) + def visitLinearPointer(self, pointer, lvalue, rvalue): assert pointer.size is not None if pointer.size is not None: @@ -240,6 +301,25 @@ class SwizzledValueRegistrator(stdapi.Visitor): def visitString(self, string, lvalue, rvalue): pass + seq = 0 + + def visitStruct(self, struct, lvalue, rvalue): + tmp = '__s_' + struct.tag + '_' + str(self.seq) + self.seq += 1 + + print ' const trace::Struct *%s = dynamic_cast(&%s);' % (tmp, rvalue) + print ' assert(%s);' % (tmp,) + print ' (void)%s;' % (tmp,) + for i in range(len(struct.members)): + member_type, member_name = struct.members[i] + self.visit(member_type, '%s.%s' % (lvalue, member_name), '*%s->members[%s]' % (tmp, i)) + + def visitPolymorphic(self, polymorphic, lvalue, rvalue): + self.visit(polymorphic.defaultType, lvalue, rvalue) + + def visitOpaque(self, opaque, lvalue, rvalue): + pass + class Retracer: @@ -256,9 +336,7 @@ class Retracer: print def retraceFunctionBody(self, function): - if not function.sideeffects: - print ' (void)call;' - return + assert function.sideeffects self.deserializeArgs(function) @@ -267,9 +345,7 @@ class Retracer: self.swizzleValues(function) def retraceInterfaceMethodBody(self, interface, method): - if not method.sideeffects: - print ' (void)call;' - return + assert method.sideeffects self.deserializeThisPointer(interface) @@ -280,8 +356,12 @@ class Retracer: self.swizzleValues(method) def deserializeThisPointer(self, interface): - print ' %s *_this;' % (interface.name,) - # FIXME + print r' %s *_this;' % (interface.name,) + print r' _this = static_cast<%s *>(_obj_map[call.arg(0).toUIntPtr()]);' % (interface.name,) + print r' if (!_this) {' + print r' retrace::warning(call) << "NULL this pointer\n";' + print r' return;' + print r' }' def deserializeArgs(self, function): print ' retrace::ScopedAllocator _allocator;' @@ -289,15 +369,15 @@ class Retracer: success = True for arg in function.args: arg_type = MutableRebuilder().visit(arg.type) - #print ' // %s -> %s' % (arg.type, arg_type) print ' %s %s;' % (arg_type, arg.name) rvalue = 'call.arg(%u)' % (arg.index,) lvalue = arg.name try: self.extractArg(function, arg, arg_type, lvalue, rvalue) - except NotImplementedError: + except UnsupportedType: success = False print ' memset(&%s, 0, sizeof %s); // FIXME' % (arg.name, arg.name) + print if not success: print ' if (1) {' @@ -314,14 +394,15 @@ class Retracer: lvalue = arg.name try: self.regiterSwizzledValue(arg_type, lvalue, rvalue) - except NotImplementedError: + except UnsupportedType: print ' // XXX: %s' % arg.name if function.type is not stdapi.Void: rvalue = '*call.ret' lvalue = '__result' try: self.regiterSwizzledValue(function.type, lvalue, rvalue) - except NotImplementedError: + except UnsupportedType: + raise print ' // XXX: result' def failFunction(self, function): @@ -331,9 +412,15 @@ class Retracer: print ' return;' def extractArg(self, function, arg, arg_type, lvalue, rvalue): - ValueDeserializer().visit(arg_type, lvalue, rvalue) + ValueAllocator().visit(arg_type, lvalue, rvalue) + if arg.input: + ValueDeserializer().visit(arg_type, lvalue, rvalue) def extractOpaqueArg(self, function, arg, arg_type, lvalue, rvalue): + try: + ValueAllocator().visit(arg_type, lvalue, rvalue) + except UnsupportedType: + pass OpaqueValueDeserializer().visit(arg_type, lvalue, rvalue) def regiterSwizzledValue(self, type, lvalue, rvalue): @@ -383,20 +470,31 @@ class Retracer: handle_names.add(handle.name) print + print 'static std::map _obj_map;' + print + functions = filter(self.filterFunction, api.functions) for function in functions: - self.retraceFunction(function) + if function.sideeffects: + self.retraceFunction(function) interfaces = api.getAllInterfaces() for interface in interfaces: for method in interface.iterMethods(): - self.retraceInterfaceMethod(interface, method) + if method.sideeffects: + self.retraceInterfaceMethod(interface, method) print 'const retrace::Entry %s[] = {' % self.table_name for function in functions: - print ' {"%s", &retrace_%s},' % (function.name, function.name) + if function.sideeffects: + print ' {"%s", &retrace_%s},' % (function.name, function.name) + else: + print ' {"%s", &retrace::ignore},' % (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) + for method in interface.iterMethods(): + if method.sideeffects: + print ' {"%s::%s", &retrace_%s__%s},' % (interface.name, method.name, interface.name, method.name) + else: + print ' {"%s::%s", &retrace::ignore},' % (interface.name, method.name) print ' {NULL, NULL}' print '};' print