From 6ce752d741a50d58253749df49118f8857d7e60d Mon Sep 17 00:00:00 2001 From: Veljko Mihailovic Date: Fri, 1 Apr 2016 18:49:03 -0400 Subject: [PATCH] Support processing microdump for mips architecture Based on changes for ARM, ARM64 and X86, the support for MIPS and MIPS64 is added in microdump. TEST=microdump_stackwalk ~/microdump-mips32.dmp symbols/ BUG=microdump_stackwalk failing for mips architectures Review URL: https://codereview.chromium.org/1731923002/ --- src/google_breakpad/processor/microdump.h | 2 + src/processor/microdump.cc | 49 ++++++++++++++-- src/processor/microdump_processor_unittest.cc | 42 ++++++++++++++ src/processor/testdata/microdump-mips32.dmp | 37 ++++++++++++ src/processor/testdata/microdump-mips64.dmp | 26 +++++++++ .../crash_example.sym | 56 +++++++++++++++++++ .../crash_example.sym | 48 ++++++++++++++++ 7 files changed, 254 insertions(+), 6 deletions(-) create mode 100644 src/processor/testdata/microdump-mips32.dmp create mode 100644 src/processor/testdata/microdump-mips64.dmp create mode 100644 src/processor/testdata/symbols/microdump/crash_example/6E72E2F1A5F59AB3D51356FDFE394D490/crash_example.sym create mode 100644 src/processor/testdata/symbols/microdump/crash_example/8F36148CC4647A8116CAF2A25F591F570/crash_example.sym diff --git a/src/google_breakpad/processor/microdump.h b/src/google_breakpad/processor/microdump.h index 051dacda..a2d5a3a6 100644 --- a/src/google_breakpad/processor/microdump.h +++ b/src/google_breakpad/processor/microdump.h @@ -67,6 +67,8 @@ class MicrodumpContext : public DumpContext { virtual void SetContextARM(MDRawContextARM* arm); virtual void SetContextARM64(MDRawContextARM64* arm64); virtual void SetContextX86(MDRawContextX86* x86); + virtual void SetContextMIPS(MDRawContextMIPS* mips); + virtual void SetContextMIPS64(MDRawContextMIPS* mips64); }; // This class provides access to microdump memory regions. diff --git a/src/processor/microdump.cc b/src/processor/microdump.cc index e3dececb..06211e60 100644 --- a/src/processor/microdump.cc +++ b/src/processor/microdump.cc @@ -61,6 +61,8 @@ static const char kStackFirstLineKey[] = ": S 0 "; static const char kArmArchitecture[] = "arm"; static const char kArm64Architecture[] = "arm64"; static const char kX86Architecture[] = "x86"; +static const char kMipsArchitecture[] = "mips"; +static const char kMips64Architecture[] = "mips64"; static const char kGpuUnknown[] = "UNKNOWN"; template @@ -131,6 +133,18 @@ void MicrodumpContext::SetContextX86(MDRawContextX86* x86) { valid_ = true; } +void MicrodumpContext::SetContextMIPS(MDRawContextMIPS* mips) { + DumpContext::SetContextFlags(MD_CONTEXT_MIPS); + DumpContext::SetContextMIPS(mips); + valid_ = true; +} + +void MicrodumpContext::SetContextMIPS64(MDRawContextMIPS* mips64) { + DumpContext::SetContextFlags(MD_CONTEXT_MIPS64); + DumpContext::SetContextMIPS(mips64); + valid_ = true; +} + // // MicrodumpMemoryRegion @@ -281,8 +295,9 @@ Microdump::Microdump(const string& contents) std::vector cpu_state_raw = ParseHexBuf(cpu_state_str); if (strcmp(arch.c_str(), kArmArchitecture) == 0) { if (cpu_state_raw.size() != sizeof(MDRawContextARM)) { - std::cerr << "Malformed CPU context. Got " << cpu_state_raw.size() << - " bytes instead of " << sizeof(MDRawContextARM) << std::endl; + std::cerr << "Malformed CPU context. Got " << cpu_state_raw.size() + << " bytes instead of " << sizeof(MDRawContextARM) + << std::endl; continue; } MDRawContextARM* arm = new MDRawContextARM(); @@ -290,8 +305,9 @@ Microdump::Microdump(const string& contents) context_->SetContextARM(arm); } else if (strcmp(arch.c_str(), kArm64Architecture) == 0) { if (cpu_state_raw.size() != sizeof(MDRawContextARM64)) { - std::cerr << "Malformed CPU context. Got " << cpu_state_raw.size() << - " bytes instead of " << sizeof(MDRawContextARM64) << std::endl; + std::cerr << "Malformed CPU context. Got " << cpu_state_raw.size() + << " bytes instead of " << sizeof(MDRawContextARM64) + << std::endl; continue; } MDRawContextARM64* arm = new MDRawContextARM64(); @@ -299,13 +315,34 @@ Microdump::Microdump(const string& contents) context_->SetContextARM64(arm); } else if (strcmp(arch.c_str(), kX86Architecture) == 0) { if (cpu_state_raw.size() != sizeof(MDRawContextX86)) { - std::cerr << "Malformed CPU context. Got " << cpu_state_raw.size() << - " bytes instead of " << sizeof(MDRawContextX86) << std::endl; + std::cerr << "Malformed CPU context. Got " << cpu_state_raw.size() + << " bytes instead of " << sizeof(MDRawContextX86) + << std::endl; continue; } MDRawContextX86* x86 = new MDRawContextX86(); memcpy(x86, &cpu_state_raw[0], cpu_state_raw.size()); context_->SetContextX86(x86); + } else if (strcmp(arch.c_str(), kMipsArchitecture) == 0) { + if (cpu_state_raw.size() != sizeof(MDRawContextMIPS)) { + std::cerr << "Malformed CPU context. Got " << cpu_state_raw.size() + << " bytes instead of " << sizeof(MDRawContextMIPS) + << std::endl; + continue; + } + MDRawContextMIPS* mips = new MDRawContextMIPS(); + memcpy(mips, &cpu_state_raw[0], cpu_state_raw.size()); + context_->SetContextMIPS(mips); + } else if (strcmp(arch.c_str(), kMips64Architecture) == 0) { + if (cpu_state_raw.size() != sizeof(MDRawContextMIPS)) { + std::cerr << "Malformed CPU context. Got " << cpu_state_raw.size() + << " bytes instead of " << sizeof(MDRawContextMIPS) + << std::endl; + continue; + } + MDRawContextMIPS* mips64 = new MDRawContextMIPS(); + memcpy(mips64, &cpu_state_raw[0], cpu_state_raw.size()); + context_->SetContextMIPS64(mips64); } else { std::cerr << "Unsupported architecture: " << arch << std::endl; } diff --git a/src/processor/microdump_processor_unittest.cc b/src/processor/microdump_processor_unittest.cc index a507b627..898b65b2 100644 --- a/src/processor/microdump_processor_unittest.cc +++ b/src/processor/microdump_processor_unittest.cc @@ -223,6 +223,48 @@ TEST_F(MicrodumpProcessorTest, TestProcessMultiple) { ASSERT_EQ(2U, state.threads()->at(0)->frames()->size()); } +TEST_F(MicrodumpProcessorTest, TestProcessMips) { + ProcessState state; + AnalyzeDump("microdump-mips32.dmp", false /* omit_symbols */, + 2 /* expected_cpu_count */, &state); + + ASSERT_EQ(7U, state.modules()->module_count()); + ASSERT_EQ("mips", state.system_info()->cpu); + ASSERT_EQ("3.0.8-g893bf16 #7 SMP PREEMPT Fri Jul 10 15:20:59 PDT 2015", + state.system_info()->os_version); + ASSERT_EQ(4U, state.threads()->at(0)->frames()->size()); + + ASSERT_EQ("blaTest", + state.threads()->at(0)->frames()->at(0)->function_name); + ASSERT_EQ("Crash", + state.threads()->at(0)->frames()->at(1)->function_name); + ASSERT_EQ("main", + state.threads()->at(0)->frames()->at(2)->function_name); + ASSERT_EQ("crash_example", + state.threads()->at(0)->frames()->at(0)->module->debug_file()); +} + +TEST_F(MicrodumpProcessorTest, TestProcessMips64) { + ProcessState state; + AnalyzeDump("microdump-mips64.dmp", false /* omit_symbols */, + 1 /* expected_cpu_count */, &state); + + ASSERT_EQ(7U, state.modules()->module_count()); + ASSERT_EQ("mips64", state.system_info()->cpu); + ASSERT_EQ("3.10.0-gf185e20 #112 PREEMPT Mon Oct 5 11:12:49 PDT 2015", + state.system_info()->os_version); + ASSERT_EQ(4U, state.threads()->at(0)->frames()->size()); + + ASSERT_EQ("blaTest", + state.threads()->at(0)->frames()->at(0)->function_name); + ASSERT_EQ("Crash", + state.threads()->at(0)->frames()->at(1)->function_name); + ASSERT_EQ("main", + state.threads()->at(0)->frames()->at(2)->function_name); + ASSERT_EQ("crash_example", + state.threads()->at(0)->frames()->at(0)->module->debug_file()); +} + } // namespace int main(int argc, char* argv[]) { diff --git a/src/processor/testdata/microdump-mips32.dmp b/src/processor/testdata/microdump-mips32.dmp new file mode 100644 index 00000000..1b02fa9f --- /dev/null +++ b/src/processor/testdata/microdump-mips32.dmp @@ -0,0 +1,37 @@ +F/google-breakpad(11976): -----BEGIN BREAKPAD MICRODUMP----- +F/google-breakpad(11976): V UNKNOWN:0.0.0.0 +F/google-breakpad(11976): O A mips 02 mips 3.0.8-g893bf16 #7 SMP PREEMPT Fri Jul 10 15:20:59 PDT 2015 +F/google-breakpad(11976): G UNKNOWN +F/google-breakpad(11976): S 0 7F92FC38 7F92F000 00002000 +F/google-breakpad(11976): S 7F92F000 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+02-23 15:49:14.700 1740 1739 F google-breakpad: -----BEGIN BREAKPAD MICRODUMP----- +02-23 15:49:14.700 1740 1739 F google-breakpad: V UNKNOWN:0.0.0.0 +02-23 15:49:14.702 1740 1739 F google-breakpad: O A mips64 01 mips64 3.10.0-gf185e20 #112 PREEMPT Mon Oct 5 11:12:49 PDT 2015 +02-23 15:49:14.702 1740 1739 F google-breakpad: G UNKNOWN +02-23 15:49:14.702 1740 1739 F google-breakpad: S 0 000000FFFFCCF650 000000FFFFCCF000 0000000000001000 +02-23 15:49:14.707 1740 1739 F google-breakpad: S 000000FFFFCCF000 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.cfa -24 + ^ .ra: .cfa -8 + ^ +STACK CFI 840c $gp: $gp $s0: $s0 .cfa: $sp 0 + .ra: .ra diff --git a/src/processor/testdata/symbols/microdump/crash_example/8F36148CC4647A8116CAF2A25F591F570/crash_example.sym b/src/processor/testdata/symbols/microdump/crash_example/8F36148CC4647A8116CAF2A25F591F570/crash_example.sym new file mode 100644 index 00000000..407d2305 --- /dev/null +++ b/src/processor/testdata/symbols/microdump/crash_example/8F36148CC4647A8116CAF2A25F591F570/crash_example.sym @@ -0,0 +1,48 @@ +MODULE Linux mips 8F36148CC4647A8116CAF2A25F591F570 crash_example +FILE 0 /home/rtrk/chromium_mips/chromium/src/out-android-mips/Debug/../../breakpad/src/tools/linux/crash_example.cc +FUNC 2ea4 b4 0 google_breakpad::MinidumpDescriptor::MinidumpDescriptor +2ea4 20 75 6 +2ec4 40 78 6 +2f04 18 78 6 +2f1c 14 78 6 +2f30 18 78 6 +2f48 10 78 6 +FUNC 2f6c c4 0 DumpCallback +2f6c 28 13 33 +2f94 28 14 33 +2fbc 1c 15 33 +2fd8 28 15 33 +3000 1c 17 33 +301c 4 18 33 +3020 10 19 33 +FUNC 3030 28 0 Leaf 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