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Support processing microdump for mips architecture

Browse source 
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/
This commit is contained in:
Veljko Mihailovic 2016-04-01 18:49:03 -04:00 • committed by Mike Frysinger
parent d9c532217e
commit 6ce752d741
7 changed files with 254 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

49
src/processor/microdump.cc
View file

@ -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<typename T>
@ -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<uint8_t> 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;
}