/thirdparty/breakpad/common/stabs_to_module_unittest.cc
http://github.com/tomahawk-player/tomahawk · C++ · 258 lines · 152 code · 37 blank · 69 comment · 8 complexity · 60a66fabdd4dd8e21ca2848992a3d759 MD5 · raw file
- // Copyright (c) 2010 Google Inc.
- // All rights reserved.
- //
- // Redistribution and use in source and binary forms, with or without
- // modification, are permitted provided that the following conditions are
- // met:
- //
- // * Redistributions of source code must retain the above copyright
- // notice, this list of conditions and the following disclaimer.
- // * Redistributions in binary form must reproduce the above
- // copyright notice, this list of conditions and the following disclaimer
- // in the documentation and/or other materials provided with the
- // distribution.
- // * Neither the name of Google Inc. nor the names of its
- // contributors may be used to endorse or promote products derived from
- // this software without specific prior written permission.
- //
- // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- // Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>
- // dump_stabs_unittest.cc: Unit tests for StabsToModule.
- #include <vector>
- #include "breakpad_googletest_includes.h"
- #include "common/stabs_to_module.h"
- using google_breakpad::Module;
- using google_breakpad::StabsToModule;
- using std::vector;
- TEST(StabsToModule, SimpleCU) {
- Module m("name", "os", "arch", "id");
- StabsToModule h(&m);
- // Feed in a simple compilation unit that defines a function with
- // one line.
- EXPECT_TRUE(h.StartCompilationUnit("compilation-unit", 0x9f4d1271e50db93bLL,
- "build-directory"));
- EXPECT_TRUE(h.StartFunction("function", 0xfde4abbed390c394LL));
- EXPECT_TRUE(h.Line(0xfde4abbed390c394LL, "source-file-name", 174823314));
- EXPECT_TRUE(h.EndFunction(0xfde4abbed390c3a4LL));
- EXPECT_TRUE(h.EndCompilationUnit(0xfee4abbed390c3a4LL));
- h.Finalize();
- // Now check to see what has been added to the Module.
- Module::File *file = m.FindExistingFile("source-file-name");
- ASSERT_TRUE(file != NULL);
- vector<Module::Function *> functions;
- m.GetFunctions(&functions, functions.end());
- ASSERT_EQ((size_t) 1, functions.size());
- Module::Function *function = functions[0];
- EXPECT_STREQ("function", function->name.c_str());
- EXPECT_EQ(0xfde4abbed390c394LL, function->address);
- EXPECT_EQ(0x10U, function->size);
- EXPECT_EQ(0U, function->parameter_size);
- ASSERT_EQ((size_t) 1, function->lines.size());
- Module::Line *line = &function->lines[0];
- EXPECT_EQ(0xfde4abbed390c394LL, line->address);
- EXPECT_EQ(0x10U, line->size); // derived from EndFunction
- EXPECT_TRUE(line->file == file);
- EXPECT_EQ(174823314, line->number);
- }
- #ifdef __GNUC__
- // Function name mangling can vary by compiler, so only run mangled-name
- // tests on GCC for simplicity's sake.
- TEST(StabsToModule, Externs) {
- Module m("name", "os", "arch", "id");
- StabsToModule h(&m);
- // Feed in a few Extern symbols.
- EXPECT_TRUE(h.Extern("_foo", 0xffff));
- EXPECT_TRUE(h.Extern("__Z21dyldGlobalLockAcquirev", 0xaaaa));
- EXPECT_TRUE(h.Extern("_MorphTableGetNextMorphChain", 0x1111));
- h.Finalize();
- // Now check to see what has been added to the Module.
- vector<Module::Extern *> externs;
- m.GetExterns(&externs, externs.end());
- ASSERT_EQ((size_t) 3, externs.size());
- Module::Extern *extern1 = externs[0];
- EXPECT_STREQ("MorphTableGetNextMorphChain", extern1->name.c_str());
- EXPECT_EQ((Module::Address)0x1111, extern1->address);
- Module::Extern *extern2 = externs[1];
- EXPECT_STREQ("dyldGlobalLockAcquire()", extern2->name.c_str());
- EXPECT_EQ((Module::Address)0xaaaa, extern2->address);
- Module::Extern *extern3 = externs[2];
- EXPECT_STREQ("foo", extern3->name.c_str());
- EXPECT_EQ((Module::Address)0xffff, extern3->address);
- }
- #endif // __GNUC__
- TEST(StabsToModule, DuplicateFunctionNames) {
- Module m("name", "os", "arch", "id");
- StabsToModule h(&m);
- // Compilation unit with one function, mangled name.
- EXPECT_TRUE(h.StartCompilationUnit("compilation-unit", 0xf2cfda36ecf7f46cLL,
- "build-directory"));
- EXPECT_TRUE(h.StartFunction("funcfoo",
- 0xf2cfda36ecf7f46dLL));
- EXPECT_TRUE(h.EndFunction(0));
- EXPECT_TRUE(h.StartFunction("funcfoo",
- 0xf2cfda36ecf7f46dLL));
- EXPECT_TRUE(h.EndFunction(0));
- EXPECT_TRUE(h.EndCompilationUnit(0));
- h.Finalize();
- // Now check to see what has been added to the Module.
- Module::File *file = m.FindExistingFile("compilation-unit");
- ASSERT_TRUE(file != NULL);
- vector<Module::Function *> functions;
- m.GetFunctions(&functions, functions.end());
- ASSERT_EQ(1U, functions.size());
- Module::Function *function = functions[0];
- EXPECT_EQ(0xf2cfda36ecf7f46dLL, function->address);
- EXPECT_LT(0U, function->size); // should have used dummy size
- EXPECT_EQ(0U, function->parameter_size);
- ASSERT_EQ(0U, function->lines.size());
- }
- TEST(InferSizes, LineSize) {
- Module m("name", "os", "arch", "id");
- StabsToModule h(&m);
- // Feed in a simple compilation unit that defines a function with
- // one line.
- EXPECT_TRUE(h.StartCompilationUnit("compilation-unit", 0xb4513962eff94e92LL,
- "build-directory"));
- EXPECT_TRUE(h.StartFunction("function", 0xb4513962eff94e92LL));
- EXPECT_TRUE(h.Line(0xb4513962eff94e92LL, "source-file-name-1", 77396614));
- EXPECT_TRUE(h.Line(0xb4513963eff94e92LL, "source-file-name-2", 87660088));
- EXPECT_TRUE(h.EndFunction(0)); // unknown function end address
- EXPECT_TRUE(h.EndCompilationUnit(0)); // unknown CU end address
- EXPECT_TRUE(h.StartCompilationUnit("compilation-unit-2", 0xb4523963eff94e92LL,
- "build-directory-2")); // next boundary
- EXPECT_TRUE(h.EndCompilationUnit(0));
- h.Finalize();
- // Now check to see what has been added to the Module.
- Module::File *file1 = m.FindExistingFile("source-file-name-1");
- ASSERT_TRUE(file1 != NULL);
- Module::File *file2 = m.FindExistingFile("source-file-name-2");
- ASSERT_TRUE(file2 != NULL);
- vector<Module::Function *> functions;
- m.GetFunctions(&functions, functions.end());
- ASSERT_EQ((size_t) 1, functions.size());
- Module::Function *function = functions[0];
- EXPECT_STREQ("function", function->name.c_str());
- EXPECT_EQ(0xb4513962eff94e92LL, function->address);
- EXPECT_EQ(0x1000100000000ULL, function->size); // inferred from CU end
- EXPECT_EQ(0U, function->parameter_size);
- ASSERT_EQ((size_t) 2, function->lines.size());
- Module::Line *line1 = &function->lines[0];
- EXPECT_EQ(0xb4513962eff94e92LL, line1->address);
- EXPECT_EQ(0x100000000ULL, line1->size); // derived from EndFunction
- EXPECT_TRUE(line1->file == file1);
- EXPECT_EQ(77396614, line1->number);
- Module::Line *line2 = &function->lines[1];
- EXPECT_EQ(0xb4513963eff94e92LL, line2->address);
- EXPECT_EQ(0x1000000000000ULL, line2->size); // derived from EndFunction
- EXPECT_TRUE(line2->file == file2);
- EXPECT_EQ(87660088, line2->number);
- }
- #ifdef __GNUC__
- // Function name mangling can vary by compiler, so only run mangled-name
- // tests on GCC for simplicity's sake.
- TEST(FunctionNames, Mangled) {
- Module m("name", "os", "arch", "id");
- StabsToModule h(&m);
- // Compilation unit with one function, mangled name.
- EXPECT_TRUE(h.StartCompilationUnit("compilation-unit", 0xf2cfda63cef7f46cLL,
- "build-directory"));
- EXPECT_TRUE(h.StartFunction("_ZNSt6vectorIySaIyEE9push_backERKy",
- 0xf2cfda63cef7f46dLL));
- EXPECT_TRUE(h.EndFunction(0));
- EXPECT_TRUE(h.EndCompilationUnit(0));
- h.Finalize();
- // Now check to see what has been added to the Module.
- Module::File *file = m.FindExistingFile("compilation-unit");
- ASSERT_TRUE(file != NULL);
- vector<Module::Function *> functions;
- m.GetFunctions(&functions, functions.end());
- ASSERT_EQ(1U, functions.size());
- Module::Function *function = functions[0];
- // This is GCC-specific, but we shouldn't be seeing STABS data anywhere
- // but Linux.
- EXPECT_STREQ("std::vector<unsigned long long, "
- "std::allocator<unsigned long long> >::"
- "push_back(unsigned long long const&)",
- function->name.c_str());
- EXPECT_EQ(0xf2cfda63cef7f46dLL, function->address);
- EXPECT_LT(0U, function->size); // should have used dummy size
- EXPECT_EQ(0U, function->parameter_size);
- ASSERT_EQ(0U, function->lines.size());
- }
- #endif // __GNUC__
- // The GNU toolchain can omit functions that are not used; however,
- // when it does so, it doesn't clean up the debugging information that
- // refers to them. In STABS, this results in compilation units whose
- // SO addresses are zero.
- TEST(Omitted, Function) {
- Module m("name", "os", "arch", "id");
- StabsToModule h(&m);
- // The StartCompilationUnit and EndCompilationUnit calls may both have an
- // address of zero if the compilation unit has had sections removed.
- EXPECT_TRUE(h.StartCompilationUnit("compilation-unit", 0, "build-directory"));
- EXPECT_TRUE(h.StartFunction("function", 0x2a133596));
- EXPECT_TRUE(h.EndFunction(0));
- EXPECT_TRUE(h.EndCompilationUnit(0));
- }
- // TODO --- if we actually cared about STABS. Even without these we've
- // got full coverage of non-failure source lines in dump_stabs.cc.
- // Line size from next line
- // Line size from function end
- // Line size from next function start
- // line size from cu end
- // line size from next cu start
- // fallback size is something plausible
- // function size from function end
- // function size from next function start
- // function size from cu end
- // function size from next cu start
- // fallback size is something plausible
- // omitting functions outside the compilation unit's address range
- // zero-line, one-line, many-line functions