mirror of
https://github.com/yuzu-emu/breakpad.git
synced 2025-01-05 14:35:50 +00:00
09b056975d
We do this in a lot of places, but we're inconsistent. Normalize the code to the Google C++ style guide. Change-Id: Ic2aceab661ce8f6b993dda21b1cdf5d2198dcbbf Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/2262932 Reviewed-by: Sterling Augustine <saugustine@google.com> Reviewed-by: Mark Mentovai <mark@chromium.org>
259 lines
10 KiB
C++
259 lines
10 KiB
C++
// 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->ranges[0].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->ranges[0].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->ranges[0].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->ranges[0].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
|