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Breakpad Processor: Add new unit tests for google_breakpad::Minidump
This also adds two new test utility class groups, TestAssembler and SynthMinidump. These are overkill for what I'm doing with them here (and may simply be overkill, period), but they make it easy to write unit tests for code that works on binary files or raw memory contents in a cross-platform way. I'm planning to use them for the DWARF CFI unwinding tests and the DWARF CFI parser tests. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@547 4c0a9323-5329-0410-9bdc-e9ce6186880e
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jimblandy
parent
5431f41508
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10 changed files with 4473 additions and 13 deletions
309
src/processor/synth_minidump.cc
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309
src/processor/synth_minidump.cc
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// Copyright (c) 2010, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>
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// synth_minidump.cc: Implementation of SynthMinidump. See synth_minidump.h
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#include "processor/synth_minidump.h"
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namespace google_breakpad {
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namespace SynthMinidump {
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Section::Section(const Dump &dump)
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: TestAssembler::Section(dump.endianness()) { }
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void Section::CiteLocationIn(TestAssembler::Section *section) const {
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if (this)
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(*section).D32(size_).D32(file_offset_);
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else
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(*section).D32(0).D32(0);
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}
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void Stream::CiteStreamIn(TestAssembler::Section *section) const {
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section->D32(type_);
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CiteLocationIn(section);
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}
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SystemInfo::SystemInfo(const Dump &dump,
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const MDRawSystemInfo &system_info,
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const String &csd_version)
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: Stream(dump, MD_SYSTEM_INFO_STREAM) {
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D16(system_info.processor_architecture);
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D16(system_info.processor_level);
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D16(system_info.processor_revision);
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D8(system_info.number_of_processors);
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D8(system_info.product_type);
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D32(system_info.major_version);
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D32(system_info.minor_version);
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D32(system_info.build_number);
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D32(system_info.platform_id);
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csd_version.CiteStringIn(this);
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D16(system_info.suite_mask);
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D16(system_info.reserved2); // Well, why not?
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// MDCPUInformation cpu;
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if (system_info.processor_architecture == MD_CPU_ARCHITECTURE_X86) {
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D32(system_info.cpu.x86_cpu_info.vendor_id[0]);
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D32(system_info.cpu.x86_cpu_info.vendor_id[1]);
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D32(system_info.cpu.x86_cpu_info.vendor_id[2]);
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D32(system_info.cpu.x86_cpu_info.version_information);
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D32(system_info.cpu.x86_cpu_info.feature_information);
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D32(system_info.cpu.x86_cpu_info.amd_extended_cpu_features);
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} else {
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D64(system_info.cpu.other_cpu_info.processor_features[0]);
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D64(system_info.cpu.other_cpu_info.processor_features[1]);
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}
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}
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const MDRawSystemInfo SystemInfo::windows_x86 = {
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MD_CPU_ARCHITECTURE_X86, // processor_architecture
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6, // processor_level
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0xd08, // processor_revision
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1, // number_of_processors
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1, // product_type
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5, // major_version
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1, // minor_version
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2600, // build_number
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2, // platform_id
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0xdeadbeef, // csd_version_rva
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0x100, // suite_mask
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0, // reserved2
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{ // cpu
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{ // x86_cpu_info
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{ 0x756e6547, 0x49656e69, 0x6c65746e }, // vendor_id
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0x6d8, // version_information
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0xafe9fbff, // feature_information
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0xffffffff // amd_extended_cpu_features
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}
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}
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};
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const string SystemInfo::windows_x86_csd_version = "Service Pack 2";
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String::String(const Dump &dump, const string &contents) : Section(dump) {
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D32(contents.size() * 2);
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for (string::const_iterator i = contents.begin(); i != contents.end(); i++)
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D16(*i);
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}
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void String::CiteStringIn(TestAssembler::Section *section) const {
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section->D32(file_offset_);
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}
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void Memory::CiteMemoryIn(TestAssembler::Section *section) const {
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section->D64(address_);
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CiteLocationIn(section);
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}
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Context::Context(const Dump &dump, const MDRawContextX86 &context)
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: Section(dump) {
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// The caller should have properly set the CPU type flag.
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assert(context.context_flags & MD_CONTEXT_X86);
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// It doesn't make sense to store x86 registers in big-endian form.
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assert(dump.endianness() == kLittleEndian);
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D32(context.context_flags);
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D32(context.dr0);
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D32(context.dr1);
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D32(context.dr2);
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D32(context.dr3);
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D32(context.dr6);
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D32(context.dr7);
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D32(context.float_save.control_word);
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D32(context.float_save.status_word);
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D32(context.float_save.tag_word);
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D32(context.float_save.error_offset);
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D32(context.float_save.error_selector);
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D32(context.float_save.data_offset);
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D32(context.float_save.data_selector);
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// context.float_save.register_area[] contains 8-bit quantities and
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// does not need to be swapped.
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Append(context.float_save.register_area,
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sizeof(context.float_save.register_area));
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D32(context.float_save.cr0_npx_state);
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D32(context.gs);
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D32(context.fs);
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D32(context.es);
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D32(context.ds);
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D32(context.edi);
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D32(context.esi);
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D32(context.ebx);
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D32(context.edx);
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D32(context.ecx);
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D32(context.eax);
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D32(context.ebp);
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D32(context.eip);
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D32(context.cs);
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D32(context.eflags);
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D32(context.esp);
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D32(context.ss);
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// context.extended_registers[] contains 8-bit quantities and does
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// not need to be swapped.
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Append(context.extended_registers, sizeof(context.extended_registers));
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assert(Size() == sizeof(MDRawContextX86));
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}
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Thread::Thread(const Dump &dump,
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u_int32_t thread_id, const Memory &stack, const Context &context,
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u_int32_t suspend_count, u_int32_t priority_class,
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u_int32_t priority, u_int64_t teb) : Section(dump) {
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D32(thread_id);
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D32(suspend_count);
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D32(priority_class);
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D32(priority);
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D64(teb);
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stack.CiteMemoryIn(this);
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context.CiteLocationIn(this);
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assert(Size() == sizeof(MDRawThread));
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}
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Module::Module(const Dump &dump,
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u_int64_t base_of_image,
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u_int32_t size_of_image,
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const String &name,
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u_int32_t time_date_stamp,
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u_int32_t checksum,
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const MDVSFixedFileInfo &version_info,
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const Section *cv_record,
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const Section *misc_record) : Section(dump) {
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D64(base_of_image);
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D32(size_of_image);
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D32(checksum);
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D32(time_date_stamp);
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name.CiteStringIn(this);
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D32(version_info.signature);
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D32(version_info.struct_version);
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D32(version_info.file_version_hi);
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D32(version_info.file_version_lo);
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D32(version_info.product_version_hi);
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D32(version_info.product_version_lo);
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D32(version_info.file_flags_mask);
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D32(version_info.file_flags);
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D32(version_info.file_os);
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D32(version_info.file_type);
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D32(version_info.file_subtype);
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D32(version_info.file_date_hi);
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D32(version_info.file_date_lo);
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cv_record->CiteLocationIn(this);
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misc_record->CiteLocationIn(this);
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D64(0).D64(0);
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}
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const MDVSFixedFileInfo Module::stock_version_info = {
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MD_VSFIXEDFILEINFO_SIGNATURE, // signature
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MD_VSFIXEDFILEINFO_VERSION, // struct_version
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0x11111111, // file_version_hi
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0x22222222, // file_version_lo
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0x33333333, // product_version_hi
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0x44444444, // product_version_lo
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MD_VSFIXEDFILEINFO_FILE_FLAGS_DEBUG, // file_flags_mask
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MD_VSFIXEDFILEINFO_FILE_FLAGS_DEBUG, // file_flags
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MD_VSFIXEDFILEINFO_FILE_OS_NT | MD_VSFIXEDFILEINFO_FILE_OS__WINDOWS32,
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// file_os
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MD_VSFIXEDFILEINFO_FILE_TYPE_APP, // file_type
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MD_VSFIXEDFILEINFO_FILE_SUBTYPE_UNKNOWN, // file_subtype
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0, // file_date_hi
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0 // file_date_lo
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};
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Dump::Dump(u_int64_t flags,
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Endianness endianness,
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u_int32_t version,
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u_int32_t date_time_stamp)
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: TestAssembler::Section(endianness),
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file_start_(0),
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stream_directory_(*this),
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stream_count_(0),
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thread_list_(*this, MD_THREAD_LIST_STREAM),
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module_list_(*this, MD_MODULE_LIST_STREAM),
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memory_list_(*this, MD_MEMORY_LIST_STREAM)
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{
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D32(MD_HEADER_SIGNATURE);
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D32(version);
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D32(stream_count_label_);
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D32(stream_directory_rva_);
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D32(0);
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D32(date_time_stamp);
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D64(flags);
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assert(Size() == sizeof(MDRawHeader));
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}
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Dump &Dump::Add(SynthMinidump::Section *section) {
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section->Finish(file_start_ + Size());
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Append(*section);
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return *this;
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}
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Dump &Dump::Add(Stream *stream) {
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Add(static_cast<SynthMinidump::Section *>(stream));
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stream->CiteStreamIn(&stream_directory_);
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stream_count_++;
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return *this;
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}
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Dump &Dump::Add(Memory *memory) {
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// Add the memory contents themselves to the file.
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Add(static_cast<SynthMinidump::Section *>(memory));
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// The memory list is a list of MDMemoryDescriptors, not of actual
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// memory elements. Produce a descriptor, and add that to the list.
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SynthMinidump::Section descriptor(*this);
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memory->CiteMemoryIn(&descriptor);
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memory_list_.Add(&descriptor);
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return *this;
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}
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Dump &Dump::Add(Thread *thread) {
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thread_list_.Add(thread);
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return *this;
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}
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Dump &Dump::Add(Module *module) {
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module_list_.Add(module);
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return *this;
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}
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void Dump::Finish() {
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if (!thread_list_.Empty()) Add(&thread_list_);
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if (!module_list_.Empty()) Add(&module_list_);
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if (!memory_list_.Empty()) Add(&memory_list_);
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// Create the stream directory. We don't use
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// stream_directory_.Finish here, because the stream directory isn't
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// cited using a location descriptor; rather, the Minidump header
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// has the stream count and MDRVA.
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stream_count_label_ = stream_count_;
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stream_directory_rva_ = file_start_ + Size();
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Append(static_cast<TestAssembler::Section &>(stream_directory_));
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}
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} // namespace SynthMinidump
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} // namespace google_breakpad
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