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Add support to process INLINE records in symbol files

Browse source 
This adds the support to process INLINE and INLINE_ORIGIN records in
symbol files and to generate inlined frames using those records if
possible.

Bug: 1190878
Change-Id: Ia0b6d56c9de37cf818d9bb6842d58c9b68f235b2
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/3024690
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
This commit is contained in:
Zequan Wu 2021-07-22 11:13:37 -07:00 committed by Joshua Peraza
parent 32096a2dc8
commit f080350795
18 changed files with 948 additions and 363 deletions
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29
src/google_breakpad/processor/basic_source_line_resolver.h
View file

@ -40,6 +40,7 @@
#include <map>
#include <string>
#include <vector>
#include "common/using_std_string.h"
#include "google_breakpad/processor/source_line_resolver_base.h"
@ -84,6 +85,8 @@ class BasicSourceLineResolver : public SourceLineResolverBase {
// Helper class, containing useful methods for parsing of Breakpad symbol files.
class SymbolParseHelper {
public:
using MemAddr = SourceLineResolverInterface::MemAddr;
// Parses a |file_line| declaration. Returns true on success.
// Format: FILE <id> <filename>.
// Notice, that this method modifies the input |file_line| which is why it
@ -94,6 +97,32 @@ class SymbolParseHelper {
long* index, // out
char** filename); // out
// Parses a |inline_origin_line| declaration. Returns true on success.
// Format: INLINE_ORIGIN <origin_id> <file_id> <name>.
// Notice, that this method modifies the input |inline_origin_line| which is
// why it can't be const. On success, <origin_id>, <file_id> and <name> are
// stored in |*origin_id|, |*file_id|, and |*name|. No allocation is
// done, |*name| simply points inside |inline_origin_line|.
static bool ParseInlineOrigin(char* inline_origin_line, // in
long* origin_id, // out
long* file_id, // out
char** name); // out
// Parses a |inline| declaration. Returns true on success.
// Format: INLINE <inline_nest_level> <call_site_line> <origin_id> <address>
// <size> ....
// Notice, that this method modifies the input |inline|
// which is why it can't be const. On success, <inline_nest_level>,
// <call_site_line> and <origin_id> are stored in |*inline_nest_level|,
// |*call_site_line|, and |*origin_id|, and all pairs of (<address>, <size>)
// are added into ranges .
static bool ParseInline(
char* inline_line, // in
long* inline_nest_level, // out
long* call_site_line, // out
long* origin_id, // out
std::vector<std::pair<MemAddr, MemAddr>>* ranges); // out
// Parses a |function_line| declaration. Returns true on success.
// Format: FUNC [<multiple>] <address> <size> <stack_param_size> <name>.
// Notice, that this method modifies the input |function_line| which is why it

6
src/google_breakpad/processor/source_line_resolver_base.h
View file

@ -84,11 +84,15 @@ class SourceLineResolverBase : public SourceLineResolverInterface {
virtual void UnloadModule(const CodeModule* module);
virtual bool HasModule(const CodeModule* module);
virtual bool IsModuleCorrupt(const CodeModule* module);
virtual void FillSourceLineInfo(StackFrame* frame);
virtual void FillSourceLineInfo(
StackFrame* frame,
std::vector<std::unique_ptr<StackFrame>>* inlined_frames);
virtual WindowsFrameInfo* FindWindowsFrameInfo(const StackFrame* frame);
virtual CFIFrameInfo* FindCFIFrameInfo(const StackFrame* frame);
// Nested structs and classes.
struct InlineOrigin;
struct Inline;
struct Line;
struct Function;
struct PublicSymbol;

10
src/google_breakpad/processor/source_line_resolver_interface.h
View file

@ -34,7 +34,9 @@
#ifndef GOOGLE_BREAKPAD_PROCESSOR_SOURCE_LINE_RESOLVER_INTERFACE_H__
#define GOOGLE_BREAKPAD_PROCESSOR_SOURCE_LINE_RESOLVER_INTERFACE_H__
#include <memory>
#include <string>
#include <vector>
#include "common/using_std_string.h"
#include "google_breakpad/common/breakpad_types.h"
@ -91,8 +93,12 @@ class SourceLineResolverInterface {
// Fills in the function_base, function_name, source_file_name,
// and source_line fields of the StackFrame. The instruction and
// module_name fields must already be filled in.
virtual void FillSourceLineInfo(StackFrame* frame) = 0;
// module_name fields must already be filled in. If inlined_frames is not
// nullptr, it will try to construct inlined frames by adding them into
// inlined_frames in an order from outermost frame to inner most frame.
virtual void FillSourceLineInfo(
StackFrame* frame,
std::vector<std::unique_ptr<StackFrame>>* inlined_frames) = 0;
// If Windows stack walking information is available covering
// FRAME's instruction address, return a WindowsFrameInfo structure

9
src/google_breakpad/processor/stack_frame.h
View file

@ -51,7 +51,8 @@ struct StackFrame {
FRAME_TRUST_FP, // Derived from frame pointer
FRAME_TRUST_CFI, // Derived from call frame info
FRAME_TRUST_PREWALKED, // Explicitly provided by some external stack walker.
FRAME_TRUST_CONTEXT // Given as instruction pointer in a context
FRAME_TRUST_CONTEXT, // Given as instruction pointer in a context
FRAME_TRUST_INLINE // Found by inline records in symbol files.
};
StackFrame()
@ -60,9 +61,9 @@ struct StackFrame {
function_name(),
function_base(),
source_file_name(),
source_line(),
source_line(0),
source_line_base(),
trust(FRAME_TRUST_NONE) {}
trust(FRAME_TRUST_NONE){}
virtual ~StackFrame() {}
// Return a string describing how this stack frame was found
@ -81,6 +82,8 @@ struct StackFrame {
return "previous frame's frame pointer";
case StackFrame::FRAME_TRUST_SCAN:
return "stack scanning";
case StackFrame::FRAME_TRUST_INLINE:
return "inline record";
default:
return "unknown";
}

5
src/google_breakpad/processor/stack_frame_symbolizer.h
View file

@ -35,8 +35,10 @@
#ifndef GOOGLE_BREAKPAD_PROCESSOR_STACK_FRAME_SYMBOLIZER_H__
#define GOOGLE_BREAKPAD_PROCESSOR_STACK_FRAME_SYMBOLIZER_H__
#include <memory>
#include <set>
#include <string>
#include <vector>
#include "common/using_std_string.h"
#include "google_breakpad/common/breakpad_types.h"
@ -79,7 +81,8 @@ class StackFrameSymbolizer {
const CodeModules* modules,
const CodeModules* unloaded_modules,
const SystemInfo* system_info,
StackFrame* stack_frame);
StackFrame* stack_frame,
std::vector<std::unique_ptr<StackFrame>>* inlined_frames);
virtual WindowsFrameInfo* FindWindowsFrameInfo(const StackFrame* frame);

198
src/processor/basic_source_line_resolver.cc
View file

@ -40,6 +40,7 @@
#include <limits>
#include <map>
#include <memory>
#include <utility>
#include <vector>
@ -52,6 +53,7 @@
using std::map;
using std::vector;
using std::make_pair;
using std::unique_ptr;
namespace google_breakpad {
@ -202,6 +204,16 @@ bool BasicSourceLineResolver::Module::LoadMapFromMemory(
// Ignore these as well, they're similarly just for housekeeping.
//
// INFO CODE_ID <code id> <filename>
} else if (strncmp(buffer, "INLINE ", 7) == 0) {
linked_ptr<Inline> in = ParseInline(buffer);
if (!in.get())
LogParseError("ParseInline failed", line_number, &num_errors);
else
cur_func->AppendInline(in);
} else if (strncmp(buffer, "INLINE_ORIGIN ", 14) == 0) {
if (!ParseInlineOrigin(buffer)) {
LogParseError("ParseInlineOrigin failed", line_number, &num_errors);
}
} else {
if (!cur_func.get()) {
LogParseError("Found source line data without a function",
@ -225,7 +237,39 @@ bool BasicSourceLineResolver::Module::LoadMapFromMemory(
return true;
}
void BasicSourceLineResolver::Module::LookupAddress(StackFrame* frame) const {
int BasicSourceLineResolver::Module::ConstructInlineFrames(
StackFrame* frame,
MemAddr address,
const RangeMap<uint64_t, linked_ptr<Inline>>& inlines,
vector<unique_ptr<StackFrame>>* inlined_frames) const {
linked_ptr<Inline> in;
MemAddr inline_base;
if (!inlines.RetrieveRange(address, &in, &inline_base, nullptr, nullptr))
return -1;
StackFrame new_frame = StackFrame(*frame);
new_frame.function_name = in->name;
// Use the starting adress of the inlined range as inlined function base.
new_frame.function_base = new_frame.module->base_address() + inline_base;
auto it = files_.find(in->source_file_id);
if (it != files_.end())
new_frame.source_file_name = it->second;
new_frame.trust = StackFrame::FRAME_TRUST_INLINE;
// Must add frames before calling ConstructInlineFrames to get correct order.
int current_idx = inlined_frames->size();
inlined_frames->push_back(std::make_unique<StackFrame>(new_frame));
int source_line = ConstructInlineFrames(&new_frame, address,
in->child_inlines, inlined_frames);
if (source_line != -1) {
(*inlined_frames)[current_idx]->source_line = source_line;
}
return in->call_site_line;
}
void BasicSourceLineResolver::Module::LookupAddress(
StackFrame* frame,
vector<unique_ptr<StackFrame>>* inlined_frames) const {
MemAddr address = frame->instruction - frame->module->base_address();
// First, look for a FUNC record that covers address. Use
@ -256,6 +300,15 @@ void BasicSourceLineResolver::Module::LookupAddress(StackFrame* frame) const {
frame->source_line = line->line;
frame->source_line_base = frame->module->base_address() + line_base;
}
// Check if this is inlined function call.
if (inlined_frames) {
int source_line =
ConstructInlineFrames(frame, address, func->inlines, inlined_frames);
if (source_line != -1) {
frame->source_line = source_line;
}
}
} else if (public_symbols_.Retrieve(address,
&public_symbol, &public_address) &&
(!func.get() || public_address > function_base)) {
@ -357,6 +410,38 @@ bool BasicSourceLineResolver::Module::ParseFile(char* file_line) {
return false;
}
bool BasicSourceLineResolver::Module::ParseInlineOrigin(
char* inline_origin_line) {
long origin_id;
long source_file_id;
char* origin_name;
if (SymbolParseHelper::ParseInlineOrigin(inline_origin_line, &origin_id,
&source_file_id, &origin_name)) {
inline_origins_.insert(make_pair(
origin_id, new InlineOrigin(origin_id, source_file_id, origin_name)));
return true;
}
return false;
}
linked_ptr<BasicSourceLineResolver::Inline>
BasicSourceLineResolver::Module::ParseInline(char* inline_line) {
long inline_nest_level;
long call_site_line;
long origin_id;
vector<std::pair<MemAddr, MemAddr>> ranges;
if (SymbolParseHelper::ParseInline(inline_line, &inline_nest_level,
&call_site_line, &origin_id, &ranges)) {
auto origin = inline_origins_.find(origin_id);
if (origin != inline_origins_.end()) {
return linked_ptr<Inline>(
new Inline(inline_nest_level, call_site_line, origin->second->name,
origin->second->source_file_id, ranges));
}
}
return linked_ptr<Inline>();
}
BasicSourceLineResolver::Function*
BasicSourceLineResolver::Module::ParseFunction(char* function_line) {
bool is_multiple;
@ -502,6 +587,26 @@ bool BasicSourceLineResolver::Module::ParseCFIFrameInfo(
return true;
}
bool BasicSourceLineResolver::Function::AppendInline(linked_ptr<Inline> in) {
// This happends if in's parent wasn't added due to a malformed INLINE record.
if (in->inline_nest_level > last_added_inline_nest_level + 1)
return false;
RangeMap<MemAddr, linked_ptr<Inline>>* current_inlines = &this->inlines;
auto iter = recent_inlines.find(in->inline_nest_level - 1);
if (iter != recent_inlines.end())
current_inlines = &iter->second->child_inlines;
else
assert(in->inline_nest_level == 0);
last_added_inline_nest_level = in->inline_nest_level;
recent_inlines[last_added_inline_nest_level] = in;
// Store all ranges into current level of inlines.
for (auto range : in->inline_ranges)
current_inlines->StoreRange(range.first, range.second, in);
return true;
}
// static
bool SymbolParseHelper::ParseFile(char* file_line, long* index,
char** filename) {
@ -529,6 +634,97 @@ bool SymbolParseHelper::ParseFile(char* file_line, long* index,
return true;
}
// static
bool SymbolParseHelper::ParseInlineOrigin(char* inline_origin_line,
long* origin_id,
long* file_id,
char** name) {
// INLINE_ORIGIN <origin_id> <file_id> <name>
assert(strncmp(inline_origin_line, "INLINE_ORIGIN ", 14) == 0);
inline_origin_line += 14; // skip prefix
vector<char*> tokens;
if (!Tokenize(inline_origin_line, kWhitespace, 3, &tokens)) {
return false;
}
char* after_number;
*origin_id = strtol(tokens[0], &after_number, 10);
if (!IsValidAfterNumber(after_number) || *origin_id < 0 ||
*origin_id == std::numeric_limits<long>::max()) {
return false;
}
*file_id = strtol(tokens[1], &after_number, 10);
// If the file id is -1, it might be an artificial function that doesn't have
// file id. So, we consider -1 as a valid special case.
if (!IsValidAfterNumber(after_number) ||
*file_id < -1 | *origin_id == std::numeric_limits<long>::max()) {
return false;
}
*name = tokens[2];
if (!*name) {
return false;
}
return true;
}
// static
bool SymbolParseHelper::ParseInline(
char* inline_line,
long* inline_nest_level,
long* call_site_line,
long* origin_id,
vector<std::pair<MemAddr, MemAddr>>* ranges) {
// INLINE <inline_nest_level> <call_site_line> <origin_id> <address> <size>
// ...
assert(strncmp(inline_line, "INLINE ", 7) == 0);
inline_line += 7; // skip prefix
vector<char*> tokens;
Tokenize(inline_line, kWhitespace, std::numeric_limits<int>::max(), &tokens);
// The length of the vector should be at least 5 and an odd number.
if (tokens.size() < 5 && tokens.size() % 2 == 0)
return false;
char* after_number;
*inline_nest_level = strtol(tokens[0], &after_number, 10);
if (!IsValidAfterNumber(after_number) || *inline_nest_level < 0 ||
*inline_nest_level == std::numeric_limits<long>::max()) {
return false;
}
*call_site_line = strtol(tokens[1], &after_number, 10);
if (!IsValidAfterNumber(after_number) || *call_site_line < 0 ||
*call_site_line == std::numeric_limits<long>::max()) {
return false;
}
*origin_id = strtol(tokens[2], &after_number, 10);
if (!IsValidAfterNumber(after_number) || *origin_id < 0 ||
*origin_id == std::numeric_limits<long>::max()) {
return false;
}
for (size_t i = 3; i < tokens.size();) {
MemAddr address = strtoull(tokens[i++], &after_number, 16);
if (!IsValidAfterNumber(after_number) ||
address == std::numeric_limits<unsigned long long>::max()) {
return false;
}
MemAddr size = strtoull(tokens[i++], &after_number, 16);
if (!IsValidAfterNumber(after_number) ||
size == std::numeric_limits<unsigned long long>::max()) {
return false;
}
ranges->push_back({address, size});
}
return true;
}
// static
bool SymbolParseHelper::ParseFunction(char* function_line, bool* is_multiple,
uint64_t* address, uint64_t* size,

37
src/processor/basic_source_line_resolver_types.h
View file

@ -66,10 +66,24 @@ BasicSourceLineResolver::Function : public SourceLineResolverBase::Function {
code_size,
set_parameter_size,
is_mutiple),
lines() { }
RangeMap< MemAddr, linked_ptr<Line> > lines;
inlines(),
lines(),
last_added_inline_nest_level(0) { }
// Append inline into corresponding RangeMap.
// This function assumes it's called in the order of reading INLINE records.
bool AppendInline(linked_ptr<Inline> in);
RangeMap<MemAddr, linked_ptr<Inline>> inlines;
RangeMap<MemAddr, linked_ptr<Line>> lines;
private:
typedef SourceLineResolverBase::Function Base;
// A map from inline_nest_level to most recently added Inline* at that level.
std::map<int, linked_ptr<Inline>> recent_inlines;
// The last added inline_nest_level in recent_inlines.
int last_added_inline_nest_level;
};
@ -92,7 +106,17 @@ class BasicSourceLineResolver::Module : public SourceLineResolverBase::Module {
// Looks up the given relative address, and fills the StackFrame struct
// with the result.
virtual void LookupAddress(StackFrame* frame) const;
virtual void LookupAddress(
StackFrame* frame,
std::vector<std::unique_ptr<StackFrame>>* inlined_frame) const;
// Construct inlined frame for frame and return inlined function call site
// source line. If failed to construct inlined frame, return -1.
virtual int ConstructInlineFrames(
StackFrame* frame,
MemAddr address,
const RangeMap<uint64_t, linked_ptr<Inline>>& inlines,
std::vector<std::unique_ptr<StackFrame>>* inline_frames) const;
// If Windows stack walking information is available covering ADDRESS,
// return a WindowsFrameInfo structure describing it. If the information
@ -125,6 +149,12 @@ class BasicSourceLineResolver::Module : public SourceLineResolverBase::Module {
// Parses a file declaration
bool ParseFile(char* file_line);
// Parses an inline origin declaration.
bool ParseInlineOrigin(char* inline_origin_line);
// Parses an inline declaration.
linked_ptr<Inline> ParseInline(char* inline_line);
// Parses a function declaration, returning a new Function object.
Function* ParseFunction(char* function_line);
@ -144,6 +174,7 @@ class BasicSourceLineResolver::Module : public SourceLineResolverBase::Module {
string name_;
FileMap files_;
std::map<int, linked_ptr<InlineOrigin>> inline_origins_;
RangeMap< MemAddr, linked_ptr<Function> > functions_;
AddressMap< MemAddr, linked_ptr<PublicSymbol> > public_symbols_;
bool is_corrupt_;

182
src/processor/basic_source_line_resolver_unittest.cc
View file

@ -189,7 +189,7 @@ TEST_F(TestBasicSourceLineResolver, TestLoadAndResolve)
scoped_ptr<CFIFrameInfo> cfi_frame_info;
frame.instruction = 0x1000;
frame.module = NULL;
resolver.FillSourceLineInfo(&frame);
resolver.FillSourceLineInfo(&frame, nullptr);
ASSERT_FALSE(frame.module);
ASSERT_TRUE(frame.function_name.empty());
ASSERT_EQ(frame.function_base, 0U);
@ -198,7 +198,7 @@ TEST_F(TestBasicSourceLineResolver, TestLoadAndResolve)
ASSERT_EQ(frame.source_line_base, 0U);
frame.module = &module1;
resolver.FillSourceLineInfo(&frame);
resolver.FillSourceLineInfo(&frame, nullptr);
ASSERT_EQ(frame.function_name, "Function1_1");
ASSERT_TRUE(frame.module);
ASSERT_EQ(frame.module->code_file(), "module1");
@ -216,13 +216,13 @@ TEST_F(TestBasicSourceLineResolver, TestLoadAndResolve)
ClearSourceLineInfo(&frame);
frame.instruction = 0x800;
frame.module = &module1;
resolver.FillSourceLineInfo(&frame);
resolver.FillSourceLineInfo(&frame, nullptr);
ASSERT_TRUE(VerifyEmpty(frame));
windows_frame_info.reset(resolver.FindWindowsFrameInfo(&frame));
ASSERT_FALSE(windows_frame_info.get());
frame.instruction = 0x1280;
resolver.FillSourceLineInfo(&frame);
resolver.FillSourceLineInfo(&frame, nullptr);
ASSERT_EQ(frame.function_name, "Function1_3");
ASSERT_TRUE(frame.source_file_name.empty());
ASSERT_EQ(frame.source_line, 0);
@ -233,7 +233,7 @@ TEST_F(TestBasicSourceLineResolver, TestLoadAndResolve)
ASSERT_TRUE(windows_frame_info->program_string.empty());
frame.instruction = 0x1380;
resolver.FillSourceLineInfo(&frame);
resolver.FillSourceLineInfo(&frame, nullptr);
ASSERT_EQ(frame.function_name, "Function1_4");
ASSERT_TRUE(frame.source_file_name.empty());
ASSERT_EQ(frame.source_line, 0);
@ -342,17 +342,17 @@ TEST_F(TestBasicSourceLineResolver, TestLoadAndResolve)
frame.instruction = 0x2900;
frame.module = &module1;
resolver.FillSourceLineInfo(&frame);
resolver.FillSourceLineInfo(&frame, nullptr);
ASSERT_EQ(frame.function_name, string("PublicSymbol"));
frame.instruction = 0x4000;
frame.module = &module1;
resolver.FillSourceLineInfo(&frame);
resolver.FillSourceLineInfo(&frame, nullptr);
ASSERT_EQ(frame.function_name, string("LargeFunction"));
frame.instruction = 0x2181;
frame.module = &module2;
resolver.FillSourceLineInfo(&frame);
resolver.FillSourceLineInfo(&frame, nullptr);
ASSERT_EQ(frame.function_name, "Function2_2");
ASSERT_EQ(frame.function_base, 0x2170U);
ASSERT_TRUE(frame.module);
@ -366,18 +366,18 @@ TEST_F(TestBasicSourceLineResolver, TestLoadAndResolve)
ASSERT_EQ(windows_frame_info->prolog_size, 1U);
frame.instruction = 0x216f;
resolver.FillSourceLineInfo(&frame);
resolver.FillSourceLineInfo(&frame, nullptr);
ASSERT_EQ(frame.function_name, "Public2_1");
ClearSourceLineInfo(&frame);
frame.instruction = 0x219f;
frame.module = &module2;
resolver.FillSourceLineInfo(&frame);
resolver.FillSourceLineInfo(&frame, nullptr);
ASSERT_TRUE(frame.function_name.empty());
frame.instruction = 0x21a0;
frame.module = &module2;
resolver.FillSourceLineInfo(&frame);
resolver.FillSourceLineInfo(&frame, nullptr);
ASSERT_EQ(frame.function_name, "Public2_2");
}
@ -413,6 +413,50 @@ TEST_F(TestBasicSourceLineResolver, TestUnload)
ASSERT_TRUE(resolver.HasModule(&module1));
}
TEST_F(TestBasicSourceLineResolver, TestLoadAndResolveInlines) {
TestCodeModule module("linux_inline");
ASSERT_TRUE(resolver.LoadModule(
&module, testdata_dir +
"/symbols/linux_inline/BBA6FA10B8AAB33D00000000000000000/"
"linux_inline.sym"));
ASSERT_TRUE(resolver.HasModule(&module));
StackFrame frame;
std::vector<std::unique_ptr<StackFrame>> inlined_frames;
frame.instruction = 0x161b6;
frame.module = &module;
// main frame.
resolver.FillSourceLineInfo(&frame, &inlined_frames);
ASSERT_EQ(frame.function_name, "main");
ASSERT_EQ(frame.function_base, 0x15b30U);
ASSERT_EQ(frame.source_file_name, "linux_inline.cpp");
ASSERT_EQ(frame.source_line, 42);
ASSERT_EQ(frame.source_line_base, 0x161b6U);
ASSERT_EQ(inlined_frames.size(), 3UL);
// Inlined frames inside main frame.
ASSERT_EQ(inlined_frames[0]->function_name, "foo()");
ASSERT_EQ(inlined_frames[0]->function_base, 0x15b45U);
ASSERT_EQ(inlined_frames[0]->source_file_name, "linux_inline.cpp");
ASSERT_EQ(inlined_frames[0]->source_line, 39);
ASSERT_EQ(inlined_frames[0]->source_line_base, 0x161b6U);
ASSERT_EQ(inlined_frames[0]->trust, StackFrame::FRAME_TRUST_INLINE);
ASSERT_EQ(inlined_frames[1]->function_name, "bar()");
ASSERT_EQ(inlined_frames[1]->function_base, 0x15b72U);
ASSERT_EQ(inlined_frames[1]->source_file_name, "linux_inline.cpp");
ASSERT_EQ(inlined_frames[1]->source_line, 32);
ASSERT_EQ(inlined_frames[1]->source_line_base, 0x161b6U);
ASSERT_EQ(inlined_frames[1]->trust, StackFrame::FRAME_TRUST_INLINE);
ASSERT_EQ(inlined_frames[2]->function_name, "func()");
ASSERT_EQ(inlined_frames[2]->function_base, 0x15b83U);
ASSERT_EQ(inlined_frames[2]->source_file_name, "linux_inline.cpp");
ASSERT_EQ(inlined_frames[2]->source_line, 27);
ASSERT_EQ(inlined_frames[2]->source_line_base, 0x161b6U);
ASSERT_EQ(inlined_frames[2]->trust, StackFrame::FRAME_TRUST_INLINE);
}
// Test parsing of valid FILE lines. The format is:
// FILE <id> <filename>
TEST(SymbolParseHelper, ParseFileValid) {
@ -736,6 +780,122 @@ TEST(SymbolParseHelper, ParsePublicSymbolInvalid) {
&name));
}
// Test parsing of valid INLINE_ORIGIN lines. The format is:
// INLINE_ORIGIN <origin_id> <file_id> <name>
TEST(SymbolParseHelper, ParseInlineOriginValid) {
long origin_id;
long file_id;
char* name;
char kTestLine[] = "INLINE_ORIGIN 1 1 function name";
ASSERT_TRUE(SymbolParseHelper::ParseInlineOrigin(kTestLine, &origin_id,
&file_id, &name));
EXPECT_EQ(1, origin_id);
EXPECT_EQ(1, file_id);
EXPECT_EQ("function name", string(name));
// -1 is a file id, which is used when the function is artifical.
char kTestLine1[] = "INLINE_ORIGIN 0 -1 function name";
ASSERT_TRUE(SymbolParseHelper::ParseInlineOrigin(kTestLine1, &origin_id,
&file_id, &name));
EXPECT_EQ(0, origin_id);
EXPECT_EQ(-1, file_id);
EXPECT_EQ("function name", string(name));
}
// Test parsing of valid INLINE ORIGIN lines. The format is:
// INLINE_ORIGIN <origin_id> <file_id> <name>
TEST(SymbolParseHelper, ParseInlineOriginInvalid) {
long origin_id;
long file_id;
char* name;
// Test missing function name.
char kTestLine[] = "INLINE_ORIGIN 1 1";
ASSERT_FALSE(SymbolParseHelper::ParseInlineOrigin(kTestLine, &origin_id,
&file_id, &name));
// Test bad origin id.
char kTestLine1[] = "INLINE_ORIGIN x1 1 function name";
ASSERT_FALSE(SymbolParseHelper::ParseInlineOrigin(kTestLine1, &origin_id,
&file_id, &name));
// Test large origin id.
char kTestLine2[] = "INLINE_ORIGIN 123123123123123123123123 1 function name";
ASSERT_FALSE(SymbolParseHelper::ParseInlineOrigin(kTestLine2, &origin_id,
&file_id, &name));
// Test negative origin id.
char kTestLine3[] = "INLINE_ORIGIN -1 1 function name";
ASSERT_FALSE(SymbolParseHelper::ParseInlineOrigin(kTestLine3, &origin_id,
&file_id, &name));
}
// Test parsing of valid INLINE lines. The format is:
// INLINE <inline_nest_level> <call_site_line> <origin_id> <address> <size> ...
TEST(SymbolParseHelper, ParseInlineValid) {
long inline_nest_level;
long call_site_line;
long origin_id;
std::vector<std::pair<uint64_t, uint64_t>> ranges;
char kTestLine[] = "INLINE 0 1 2 3 4";
ASSERT_TRUE(SymbolParseHelper::ParseInline(
kTestLine, &inline_nest_level, &call_site_line, &origin_id, &ranges));
EXPECT_EQ(0, inline_nest_level);
EXPECT_EQ(1, call_site_line);
EXPECT_EQ(2, origin_id);
EXPECT_EQ(0x3ULL, ranges[0].first);
EXPECT_EQ(0x4ULL, ranges[0].second);
ranges.clear();
// Test hex and discontinuous ranges.
char kTestLine1[] = "INLINE 0 1 2 a b 1a 1b";
ASSERT_TRUE(SymbolParseHelper::ParseInline(
kTestLine1, &inline_nest_level, &call_site_line, &origin_id, &ranges));
EXPECT_EQ(0, inline_nest_level);
EXPECT_EQ(1, call_site_line);
EXPECT_EQ(2, origin_id);
EXPECT_EQ(0xaULL, ranges[0].first);
EXPECT_EQ(0xbULL, ranges[0].second);
EXPECT_EQ(0x1aULL, ranges[1].first);
EXPECT_EQ(0x1bULL, ranges[1].second);
}
// Test parsing of Invalid INLINE lines. The format is:
// INLINE <inline_nest_level> <call_site_line> <origin_id> <address> <size> ...
TEST(SymbolParseHelper, ParseInlineInvalid) {
long inline_nest_level;
long call_site_line;
long origin_id;
std::vector<std::pair<uint64_t, uint64_t>> ranges;
// Test negative inline_nest_level.
char kTestLine[] = "INLINE -1 1 2 3 4";
ASSERT_FALSE(SymbolParseHelper::ParseInline(
kTestLine, &inline_nest_level, &call_site_line, &origin_id, &ranges));
// Test negative call_site_line.
char kTestLine1[] = "INLINE 0 -1 2 3 4";
ASSERT_FALSE(SymbolParseHelper::ParseInline(
kTestLine1, &inline_nest_level, &call_site_line, &origin_id, &ranges));
// Test negative origin_id.
char kTestLine2[] = "INLINE 0 1 -2 3 4";
ASSERT_FALSE(SymbolParseHelper::ParseInline(
kTestLine2, &inline_nest_level, &call_site_line, &origin_id, &ranges));
// Test missing ranges.
char kTestLine3[] = "INLINE 0 1 -2";
ASSERT_FALSE(SymbolParseHelper::ParseInline(
kTestLine3, &inline_nest_level, &call_site_line, &origin_id, &ranges));
// Test missing size for range.
char kTestLine4[] = "INLINE 0 1 -2 3";
ASSERT_FALSE(SymbolParseHelper::ParseInline(
kTestLine4, &inline_nest_level, &call_site_line, &origin_id, &ranges));
}
} // namespace
int main(int argc, char* argv[]) {

5
src/processor/fast_source_line_resolver.cc
View file

@ -51,6 +51,7 @@
using std::map;
using std::make_pair;
using std::vector;
namespace google_breakpad {
@ -61,7 +62,9 @@ bool FastSourceLineResolver::ShouldDeleteMemoryBufferAfterLoadModule() {
return false;
}
void FastSourceLineResolver::Module::LookupAddress(StackFrame* frame) const {
void FastSourceLineResolver::Module::LookupAddress(
StackFrame* frame,
vector<std::unique_ptr<StackFrame>>* inlined_frames) const {
MemAddr address = frame->instruction - frame->module->base_address();
// First, look for a FUNC record that covers address. Use

4
src/processor/fast_source_line_resolver_types.h
View file

@ -117,7 +117,9 @@ class FastSourceLineResolver::Module: public SourceLineResolverBase::Module {
// Looks up the given relative address, and fills the StackFrame struct
// with the result.
virtual void LookupAddress(StackFrame* frame) const;
virtual void LookupAddress(
StackFrame* frame,
std::vector<std::unique_ptr<StackFrame>>* inlined_frames) const;
// Loads a map from the given buffer in char* type.
virtual bool LoadMapFromMemory(char* memory_buffer,

22
src/processor/fast_source_line_resolver_unittest.cc
View file

@ -217,7 +217,7 @@ TEST_F(TestFastSourceLineResolver, TestLoadAndResolve) {
scoped_ptr<CFIFrameInfo> cfi_frame_info;
frame.instruction = 0x1000;
frame.module = NULL;
fast_resolver.FillSourceLineInfo(&frame);
fast_resolver.FillSourceLineInfo(&frame, nullptr);
ASSERT_FALSE(frame.module);
ASSERT_TRUE(frame.function_name.empty());
ASSERT_EQ(frame.function_base, 0U);
@ -226,7 +226,7 @@ TEST_F(TestFastSourceLineResolver, TestLoadAndResolve) {
ASSERT_EQ(frame.source_line_base, 0U);
frame.module = &module1;
fast_resolver.FillSourceLineInfo(&frame);
fast_resolver.FillSourceLineInfo(&frame, nullptr);
ASSERT_EQ(frame.function_name, "Function1_1");
ASSERT_TRUE(frame.module);
ASSERT_EQ(frame.module->code_file(), "module1");
@ -243,13 +243,13 @@ TEST_F(TestFastSourceLineResolver, TestLoadAndResolve) {
ClearSourceLineInfo(&frame);
frame.instruction = 0x800;
frame.module = &module1;
fast_resolver.FillSourceLineInfo(&frame);
fast_resolver.FillSourceLineInfo(&frame, nullptr);
ASSERT_TRUE(VerifyEmpty(frame));
windows_frame_info.reset(fast_resolver.FindWindowsFrameInfo(&frame));
ASSERT_FALSE(windows_frame_info.get());
frame.instruction = 0x1280;
fast_resolver.FillSourceLineInfo(&frame);
fast_resolver.FillSourceLineInfo(&frame, nullptr);
ASSERT_EQ(frame.function_name, "Function1_3");
ASSERT_TRUE(frame.source_file_name.empty());
ASSERT_EQ(frame.source_line, 0);
@ -260,7 +260,7 @@ TEST_F(TestFastSourceLineResolver, TestLoadAndResolve) {
ASSERT_TRUE(windows_frame_info->program_string.empty());
frame.instruction = 0x1380;
fast_resolver.FillSourceLineInfo(&frame);
fast_resolver.FillSourceLineInfo(&frame, nullptr);
ASSERT_EQ(frame.function_name, "Function1_4");
ASSERT_TRUE(frame.source_file_name.empty());
ASSERT_EQ(frame.source_line, 0);
@ -369,17 +369,17 @@ TEST_F(TestFastSourceLineResolver, TestLoadAndResolve) {
frame.instruction = 0x2900;
frame.module = &module1;
fast_resolver.FillSourceLineInfo(&frame);
fast_resolver.FillSourceLineInfo(&frame, nullptr);
ASSERT_EQ(frame.function_name, string("PublicSymbol"));
frame.instruction = 0x4000;
frame.module = &module1;
fast_resolver.FillSourceLineInfo(&frame);
fast_resolver.FillSourceLineInfo(&frame, nullptr);
ASSERT_EQ(frame.function_name, string("LargeFunction"));
frame.instruction = 0x2181;
frame.module = &module2;
fast_resolver.FillSourceLineInfo(&frame);
fast_resolver.FillSourceLineInfo(&frame, nullptr);
ASSERT_EQ(frame.function_name, "Function2_2");
ASSERT_EQ(frame.function_base, 0x2170U);
ASSERT_TRUE(frame.module);
@ -393,18 +393,18 @@ TEST_F(TestFastSourceLineResolver, TestLoadAndResolve) {
ASSERT_EQ(windows_frame_info->prolog_size, 1U);
frame.instruction = 0x216f;
fast_resolver.FillSourceLineInfo(&frame);
fast_resolver.FillSourceLineInfo(&frame, nullptr);
ASSERT_EQ(frame.function_name, "Public2_1");
ClearSourceLineInfo(&frame);
frame.instruction = 0x219f;
frame.module = &module2;
fast_resolver.FillSourceLineInfo(&frame);
fast_resolver.FillSourceLineInfo(&frame, nullptr);
ASSERT_TRUE(frame.function_name.empty());
frame.instruction = 0x21a0;
frame.module = &module2;
fast_resolver.FillSourceLineInfo(&frame);
fast_resolver.FillSourceLineInfo(&frame, nullptr);
ASSERT_EQ(frame.function_name, "Public2_2");
}

6
src/processor/source_line_resolver_base.cc
View file

@ -295,11 +295,13 @@ bool SourceLineResolverBase::IsModuleCorrupt(const CodeModule* module) {
return corrupt_modules_->find(module->code_file()) != corrupt_modules_->end();
}
void SourceLineResolverBase::FillSourceLineInfo(StackFrame* frame) {
void SourceLineResolverBase::FillSourceLineInfo(
StackFrame* frame,
std::vector<std::unique_ptr<StackFrame>>* inlined_frames) {
if (frame->module) {
ModuleMap::const_iterator it = modules_->find(frame->module->code_file());
if (it != modules_->end()) {
it->second->LookupAddress(frame);
it->second->LookupAddress(frame, inlined_frames);
}
}
}

38
src/processor/source_line_resolver_base_types.h
View file

@ -41,12 +41,15 @@
#include <stdio.h>
#include <map>
#include <memory>
#include <string>
#include "google_breakpad/common/breakpad_types.h"
#include "google_breakpad/processor/source_line_resolver_base.h"
#include "google_breakpad/processor/stack_frame.h"
#include "processor/cfi_frame_info.h"
#include "processor/linked_ptr.h"
#include "processor/range_map.h"
#include "processor/windows_frame_info.h"
#ifndef PROCESSOR_SOURCE_LINE_RESOLVER_BASE_TYPES_H__
@ -66,6 +69,37 @@ class SourceLineResolverBase::AutoFileCloser {
FILE* file_;
};
struct SourceLineResolverBase::InlineOrigin {
InlineOrigin(int32_t origin_id, int32_t source_file_id, const string& name)
: origin_id(origin_id), source_file_id(source_file_id), name(name) {}
int32_t origin_id;
int32_t source_file_id;
string name;
};
struct SourceLineResolverBase::Inline {
// A vector of (address, size) pair for a INLINE record.
using InlineRanges = std::vector<std::pair<MemAddr, MemAddr>>;
Inline(int32_t inline_nest_level,
int32_t call_site_line,
const string& name,
int32_t source_file_id,
InlineRanges inline_ranges)
: inline_nest_level(inline_nest_level),
call_site_line(call_site_line),
name(name),
source_file_id(source_file_id),
inline_ranges(inline_ranges) {}
int32_t inline_nest_level;
int32_t call_site_line;
string name;
int32_t source_file_id;
InlineRanges inline_ranges;
RangeMap<MemAddr, linked_ptr<Inline>> child_inlines;
};
struct SourceLineResolverBase::Line {
Line() { }
Line(MemAddr addr, MemAddr code_size, int file_id, int source_line)
@ -142,7 +176,9 @@ class SourceLineResolverBase::Module {
// Looks up the given relative address, and fills the StackFrame struct
// with the result.
virtual void LookupAddress(StackFrame* frame) const = 0;
virtual void LookupAddress(
StackFrame* frame,
std::vector<std::unique_ptr<StackFrame>>* inlined_frames) const = 0;
// If Windows stack walking information is available covering ADDRESS,
// return a WindowsFrameInfo structure describing it. If the information

7
src/processor/stack_frame_symbolizer.cc
View file

@ -57,7 +57,8 @@ StackFrameSymbolizer::SymbolizerResult StackFrameSymbolizer::FillSourceLineInfo(
const CodeModules* modules,
const CodeModules* unloaded_modules,
const SystemInfo* system_info,
StackFrame* frame) {
StackFrame* frame,
std::vector<std::unique_ptr<StackFrame>>* inlined_frames) {
assert(frame);
const CodeModule* module = NULL;
@ -80,7 +81,7 @@ StackFrameSymbolizer::SymbolizerResult StackFrameSymbolizer::FillSourceLineInfo(
// If module is already loaded, go ahead to fill source line info and return.
if (resolver_->HasModule(frame->module)) {
resolver_->FillSourceLineInfo(frame);
resolver_->FillSourceLineInfo(frame, inlined_frames);
return resolver_->IsModuleCorrupt(frame->module) ?
kWarningCorruptSymbols : kNoError;
}
@ -108,7 +109,7 @@ StackFrameSymbolizer::SymbolizerResult StackFrameSymbolizer::FillSourceLineInfo(
}
if (load_success) {
resolver_->FillSourceLineInfo(frame);
resolver_->FillSourceLineInfo(frame, inlined_frames);
return resolver_->IsModuleCorrupt(frame->module) ?
kWarningCorruptSymbols : kNoError;
} else {

674
src/processor/stackwalk_common.cc
View file

@ -57,6 +57,7 @@ namespace google_breakpad {
namespace {
using std::vector;
using std::unique_ptr;
// Separator character for machine readable output.
static const char kOutputSeparator = '|';
@ -217,25 +218,30 @@ static void PrintStackContents(const string& indent,
modules->GetModuleForAddress(pointee_frame.instruction);
// Try to look up the function name.
vector<unique_ptr<StackFrame>> inlined_frames;
if (pointee_frame.module)
resolver->FillSourceLineInfo(&pointee_frame);
resolver->FillSourceLineInfo(&pointee_frame, &inlined_frames);
// Print function name.
if (!pointee_frame.function_name.empty()) {
if (word_length == 4) {
printf("%s *(0x%08x) = 0x%08x", indent.c_str(),
static_cast<uint32_t>(address),
static_cast<uint32_t>(pointee_frame.instruction));
} else {
printf("%s *(0x%016" PRIx64 ") = 0x%016" PRIx64,
indent.c_str(), address, pointee_frame.instruction);
auto print_function_name = [&](StackFrame* frame) {
if (!frame->function_name.empty()) {
if (word_length == 4) {
printf("%s *(0x%08x) = 0x%08x", indent.c_str(),
static_cast<uint32_t>(address),
static_cast<uint32_t>(frame->instruction));
} else {
printf("%s *(0x%016" PRIx64 ") = 0x%016" PRIx64, indent.c_str(),
address, frame->instruction);
}
printf(
" <%s> [%s : %d + 0x%" PRIx64 "]\n", frame->function_name.c_str(),
PathnameStripper::File(frame->source_file_name).c_str(),
frame->source_line, frame->instruction - frame->source_line_base);
}
printf(" <%s> [%s : %d + 0x%" PRIx64 "]\n",
pointee_frame.function_name.c_str(),
PathnameStripper::File(pointee_frame.source_file_name).c_str(),
pointee_frame.source_line,
pointee_frame.instruction - pointee_frame.source_line_base);
}
};
print_function_name(&pointee_frame);
for (unique_ptr<StackFrame> &frame : inlined_frames)
print_function_name(frame.get());
}
printf("\n");
}
@ -287,321 +293,351 @@ static void PrintStack(const CallStack* stack,
}
printf("\n ");
int sequence = 0;
if (cpu == "x86") {
const StackFrameX86* frame_x86 =
reinterpret_cast<const StackFrameX86*>(frame);
// Inlined frames don't have registers info.
if (frame->trust != StackFrameAMD64::FRAME_TRUST_INLINE) {
int sequence = 0;
if (cpu == "x86") {
const StackFrameX86* frame_x86 =
reinterpret_cast<const StackFrameX86*>(frame);
if (frame_x86->context_validity & StackFrameX86::CONTEXT_VALID_EIP)
sequence = PrintRegister("eip", frame_x86->context.eip, sequence);
if (frame_x86->context_validity & StackFrameX86::CONTEXT_VALID_ESP)
sequence = PrintRegister("esp", frame_x86->context.esp, sequence);
if (frame_x86->context_validity & StackFrameX86::CONTEXT_VALID_EBP)
sequence = PrintRegister("ebp", frame_x86->context.ebp, sequence);
if (frame_x86->context_validity & StackFrameX86::CONTEXT_VALID_EBX)
sequence = PrintRegister("ebx", frame_x86->context.ebx, sequence);
if (frame_x86->context_validity & StackFrameX86::CONTEXT_VALID_ESI)
sequence = PrintRegister("esi", frame_x86->context.esi, sequence);
if (frame_x86->context_validity & StackFrameX86::CONTEXT_VALID_EDI)
sequence = PrintRegister("edi", frame_x86->context.edi, sequence);
if (frame_x86->context_validity == StackFrameX86::CONTEXT_VALID_ALL) {
sequence = PrintRegister("eax", frame_x86->context.eax, sequence);
sequence = PrintRegister("ecx", frame_x86->context.ecx, sequence);
sequence = PrintRegister("edx", frame_x86->context.edx, sequence);
sequence = PrintRegister("efl", frame_x86->context.eflags, sequence);
}
} else if (cpu == "ppc") {
const StackFramePPC* frame_ppc =
reinterpret_cast<const StackFramePPC*>(frame);
if (frame_x86->context_validity & StackFrameX86::CONTEXT_VALID_EIP)
sequence = PrintRegister("eip", frame_x86->context.eip, sequence);
if (frame_x86->context_validity & StackFrameX86::CONTEXT_VALID_ESP)
sequence = PrintRegister("esp", frame_x86->context.esp, sequence);
if (frame_x86->context_validity & StackFrameX86::CONTEXT_VALID_EBP)
sequence = PrintRegister("ebp", frame_x86->context.ebp, sequence);
if (frame_x86->context_validity & StackFrameX86::CONTEXT_VALID_EBX)
sequence = PrintRegister("ebx", frame_x86->context.ebx, sequence);
if (frame_x86->context_validity & StackFrameX86::CONTEXT_VALID_ESI)
sequence = PrintRegister("esi", frame_x86->context.esi, sequence);
if (frame_x86->context_validity & StackFrameX86::CONTEXT_VALID_EDI)
sequence = PrintRegister("edi", frame_x86->context.edi, sequence);
if (frame_x86->context_validity == StackFrameX86::CONTEXT_VALID_ALL) {
sequence = PrintRegister("eax", frame_x86->context.eax, sequence);
sequence = PrintRegister("ecx", frame_x86->context.ecx, sequence);
sequence = PrintRegister("edx", frame_x86->context.edx, sequence);
sequence = PrintRegister("efl", frame_x86->context.eflags, sequence);
}
} else if (cpu == "ppc") {
const StackFramePPC* frame_ppc =
reinterpret_cast<const StackFramePPC*>(frame);
if (frame_ppc->context_validity & StackFramePPC::CONTEXT_VALID_SRR0)
sequence = PrintRegister("srr0", frame_ppc->context.srr0, sequence);
if (frame_ppc->context_validity & StackFramePPC::CONTEXT_VALID_GPR1)
sequence = PrintRegister("r1", frame_ppc->context.gpr[1], sequence);
} else if (cpu == "amd64") {
const StackFrameAMD64* frame_amd64 =
reinterpret_cast<const StackFrameAMD64*>(frame);
if (frame_ppc->context_validity & StackFramePPC::CONTEXT_VALID_SRR0)
sequence = PrintRegister("srr0", frame_ppc->context.srr0, sequence);
if (frame_ppc->context_validity & StackFramePPC::CONTEXT_VALID_GPR1)
sequence = PrintRegister("r1", frame_ppc->context.gpr[1], sequence);
} else if (cpu == "amd64") {
const StackFrameAMD64* frame_amd64 =
reinterpret_cast<const StackFrameAMD64*>(frame);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RAX)
sequence = PrintRegister64("rax", frame_amd64->context.rax, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RDX)
sequence = PrintRegister64("rdx", frame_amd64->context.rdx, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RCX)
sequence = PrintRegister64("rcx", frame_amd64->context.rcx, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RBX)
sequence = PrintRegister64("rbx", frame_amd64->context.rbx, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RSI)
sequence = PrintRegister64("rsi", frame_amd64->context.rsi, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RDI)
sequence = PrintRegister64("rdi", frame_amd64->context.rdi, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RBP)
sequence = PrintRegister64("rbp", frame_amd64->context.rbp, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RSP)
sequence = PrintRegister64("rsp", frame_amd64->context.rsp, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R8)
sequence = PrintRegister64("r8", frame_amd64->context.r8, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R9)
sequence = PrintRegister64("r9", frame_amd64->context.r9, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R10)
sequence = PrintRegister64("r10", frame_amd64->context.r10, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R11)
sequence = PrintRegister64("r11", frame_amd64->context.r11, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R12)
sequence = PrintRegister64("r12", frame_amd64->context.r12, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R13)
sequence = PrintRegister64("r13", frame_amd64->context.r13, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R14)
sequence = PrintRegister64("r14", frame_amd64->context.r14, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R15)
sequence = PrintRegister64("r15", frame_amd64->context.r15, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RIP)
sequence = PrintRegister64("rip", frame_amd64->context.rip, sequence);
} else if (cpu == "sparc") {
const StackFrameSPARC* frame_sparc =
reinterpret_cast<const StackFrameSPARC*>(frame);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RAX)
sequence = PrintRegister64("rax", frame_amd64->context.rax, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RDX)
sequence = PrintRegister64("rdx", frame_amd64->context.rdx, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RCX)
sequence = PrintRegister64("rcx", frame_amd64->context.rcx, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RBX)
sequence = PrintRegister64("rbx", frame_amd64->context.rbx, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RSI)
sequence = PrintRegister64("rsi", frame_amd64->context.rsi, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RDI)
sequence = PrintRegister64("rdi", frame_amd64->context.rdi, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RBP)
sequence = PrintRegister64("rbp", frame_amd64->context.rbp, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RSP)
sequence = PrintRegister64("rsp", frame_amd64->context.rsp, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R8)
sequence = PrintRegister64("r8", frame_amd64->context.r8, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R9)
sequence = PrintRegister64("r9", frame_amd64->context.r9, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R10)
sequence = PrintRegister64("r10", frame_amd64->context.r10, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R11)
sequence = PrintRegister64("r11", frame_amd64->context.r11, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R12)
sequence = PrintRegister64("r12", frame_amd64->context.r12, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R13)
sequence = PrintRegister64("r13", frame_amd64->context.r13, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R14)
sequence = PrintRegister64("r14", frame_amd64->context.r14, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R15)
sequence = PrintRegister64("r15", frame_amd64->context.r15, sequence);
if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RIP)
sequence = PrintRegister64("rip", frame_amd64->context.rip, sequence);
} else if (cpu == "sparc") {
const StackFrameSPARC* frame_sparc =
reinterpret_cast<const StackFrameSPARC*>(frame);
if (frame_sparc->context_validity & StackFrameSPARC::CONTEXT_VALID_SP)
sequence = PrintRegister("sp", frame_sparc->context.g_r[14], sequence);
if (frame_sparc->context_validity & StackFrameSPARC::CONTEXT_VALID_FP)
sequence = PrintRegister("fp", frame_sparc->context.g_r[30], sequence);
if (frame_sparc->context_validity & StackFrameSPARC::CONTEXT_VALID_PC)
sequence = PrintRegister("pc", frame_sparc->context.pc, sequence);
} else if (cpu == "arm") {
const StackFrameARM* frame_arm =
reinterpret_cast<const StackFrameARM*>(frame);
if (frame_sparc->context_validity & StackFrameSPARC::CONTEXT_VALID_SP)
sequence =
PrintRegister("sp", frame_sparc->context.g_r[14], sequence);
if (frame_sparc->context_validity & StackFrameSPARC::CONTEXT_VALID_FP)
sequence =
PrintRegister("fp", frame_sparc->context.g_r[30], sequence);
if (frame_sparc->context_validity & StackFrameSPARC::CONTEXT_VALID_PC)
sequence = PrintRegister("pc", frame_sparc->context.pc, sequence);
} else if (cpu == "arm") {
const StackFrameARM* frame_arm =
reinterpret_cast<const StackFrameARM*>(frame);
// Argument registers (caller-saves), which will likely only be valid
// for the youngest frame.
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R0)
sequence = PrintRegister("r0", frame_arm->context.iregs[0], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R1)
sequence = PrintRegister("r1", frame_arm->context.iregs[1], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R2)
sequence = PrintRegister("r2", frame_arm->context.iregs[2], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R3)
sequence = PrintRegister("r3", frame_arm->context.iregs[3], sequence);
// Argument registers (caller-saves), which will likely only be valid
// for the youngest frame.
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R0)
sequence = PrintRegister("r0", frame_arm->context.iregs[0], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R1)
sequence = PrintRegister("r1", frame_arm->context.iregs[1], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R2)
sequence = PrintRegister("r2", frame_arm->context.iregs[2], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R3)
sequence = PrintRegister("r3", frame_arm->context.iregs[3], sequence);
// General-purpose callee-saves registers.
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R4)
sequence = PrintRegister("r4", frame_arm->context.iregs[4], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R5)
sequence = PrintRegister("r5", frame_arm->context.iregs[5], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R6)
sequence = PrintRegister("r6", frame_arm->context.iregs[6], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R7)
sequence = PrintRegister("r7", frame_arm->context.iregs[7], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R8)
sequence = PrintRegister("r8", frame_arm->context.iregs[8], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R9)
sequence = PrintRegister("r9", frame_arm->context.iregs[9], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R10)
sequence = PrintRegister("r10", frame_arm->context.iregs[10], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R12)
sequence = PrintRegister("r12", frame_arm->context.iregs[12], sequence);
// General-purpose callee-saves registers.
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R4)
sequence = PrintRegister("r4", frame_arm->context.iregs[4], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R5)
sequence = PrintRegister("r5", frame_arm->context.iregs[5], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R6)
sequence = PrintRegister("r6", frame_arm->context.iregs[6], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R7)
sequence = PrintRegister("r7", frame_arm->context.iregs[7], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R8)
sequence = PrintRegister("r8", frame_arm->context.iregs[8], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R9)
sequence = PrintRegister("r9", frame_arm->context.iregs[9], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R10)
sequence =
PrintRegister("r10", frame_arm->context.iregs[10], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R12)
sequence =
PrintRegister("r12", frame_arm->context.iregs[12], sequence);
// Registers with a dedicated or conventional purpose.
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_FP)
sequence = PrintRegister("fp", frame_arm->context.iregs[11], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_SP)
sequence = PrintRegister("sp", frame_arm->context.iregs[13], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_LR)
sequence = PrintRegister("lr", frame_arm->context.iregs[14], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_PC)
sequence = PrintRegister("pc", frame_arm->context.iregs[15], sequence);
} else if (cpu == "arm64") {
const StackFrameARM64* frame_arm64 =
reinterpret_cast<const StackFrameARM64*>(frame);
// Registers with a dedicated or conventional purpose.
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_FP)
sequence =
PrintRegister("fp", frame_arm->context.iregs[11], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_SP)
sequence =
PrintRegister("sp", frame_arm->context.iregs[13], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_LR)
sequence =
PrintRegister("lr", frame_arm->context.iregs[14], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_PC)
sequence =
PrintRegister("pc", frame_arm->context.iregs[15], sequence);
} else if (cpu == "arm64") {
const StackFrameARM64* frame_arm64 =
reinterpret_cast<const StackFrameARM64*>(frame);
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X0) {
sequence =
PrintRegister64("x0", frame_arm64->context.iregs[0], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X1) {
sequence =
PrintRegister64("x1", frame_arm64->context.iregs[1], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X2) {
sequence =
PrintRegister64("x2", frame_arm64->context.iregs[2], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X3) {
sequence =
PrintRegister64("x3", frame_arm64->context.iregs[3], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X4) {
sequence =
PrintRegister64("x4", frame_arm64->context.iregs[4], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X5) {
sequence =
PrintRegister64("x5", frame_arm64->context.iregs[5], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X6) {
sequence =
PrintRegister64("x6", frame_arm64->context.iregs[6], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X7) {
sequence =
PrintRegister64("x7", frame_arm64->context.iregs[7], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X8) {
sequence =
PrintRegister64("x8", frame_arm64->context.iregs[8], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X9) {
sequence =
PrintRegister64("x9", frame_arm64->context.iregs[9], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X10) {
sequence =
PrintRegister64("x10", frame_arm64->context.iregs[10], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X11) {
sequence =
PrintRegister64("x11", frame_arm64->context.iregs[11], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X12) {
sequence =
PrintRegister64("x12", frame_arm64->context.iregs[12], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X13) {
sequence =
PrintRegister64("x13", frame_arm64->context.iregs[13], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X14) {
sequence =
PrintRegister64("x14", frame_arm64->context.iregs[14], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X15) {
sequence =
PrintRegister64("x15", frame_arm64->context.iregs[15], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X16) {
sequence =
PrintRegister64("x16", frame_arm64->context.iregs[16], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X17) {
sequence =
PrintRegister64("x17", frame_arm64->context.iregs[17], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X18) {
sequence =
PrintRegister64("x18", frame_arm64->context.iregs[18], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X19) {
sequence =
PrintRegister64("x19", frame_arm64->context.iregs[19], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X20) {
sequence =
PrintRegister64("x20", frame_arm64->context.iregs[20], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X21) {
sequence =
PrintRegister64("x21", frame_arm64->context.iregs[21], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X22) {
sequence =
PrintRegister64("x22", frame_arm64->context.iregs[22], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X23) {
sequence =
PrintRegister64("x23", frame_arm64->context.iregs[23], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X24) {
sequence =
PrintRegister64("x24", frame_arm64->context.iregs[24], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X25) {
sequence =
PrintRegister64("x25", frame_arm64->context.iregs[25], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X26) {
sequence =
PrintRegister64("x26", frame_arm64->context.iregs[26], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X27) {
sequence =
PrintRegister64("x27", frame_arm64->context.iregs[27], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X28) {
sequence =
PrintRegister64("x28", frame_arm64->context.iregs[28], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X0) {
sequence =
PrintRegister64("x0", frame_arm64->context.iregs[0], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X1) {
sequence =
PrintRegister64("x1", frame_arm64->context.iregs[1], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X2) {
sequence =
PrintRegister64("x2", frame_arm64->context.iregs[2], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X3) {
sequence =
PrintRegister64("x3", frame_arm64->context.iregs[3], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X4) {
sequence =
PrintRegister64("x4", frame_arm64->context.iregs[4], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X5) {
sequence =
PrintRegister64("x5", frame_arm64->context.iregs[5], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X6) {
sequence =
PrintRegister64("x6", frame_arm64->context.iregs[6], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X7) {
sequence =
PrintRegister64("x7", frame_arm64->context.iregs[7], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X8) {
sequence =
PrintRegister64("x8", frame_arm64->context.iregs[8], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X9) {
sequence =
PrintRegister64("x9", frame_arm64->context.iregs[9], sequence);
}
if (frame_arm64->context_validity &
StackFrameARM64::CONTEXT_VALID_X10) {
sequence =
PrintRegister64("x10", frame_arm64->context.iregs[10], sequence);
}
if (frame_arm64->context_validity &
StackFrameARM64::CONTEXT_VALID_X11) {
sequence =
PrintRegister64("x11", frame_arm64->context.iregs[11], sequence);
}
if (frame_arm64->context_validity &
StackFrameARM64::CONTEXT_VALID_X12) {
sequence =
PrintRegister64("x12", frame_arm64->context.iregs[12], sequence);
}
if (frame_arm64->context_validity &
StackFrameARM64::CONTEXT_VALID_X13) {
sequence =
PrintRegister64("x13", frame_arm64->context.iregs[13], sequence);
}
if (frame_arm64->context_validity &
StackFrameARM64::CONTEXT_VALID_X14) {
sequence =
PrintRegister64("x14", frame_arm64->context.iregs[14], sequence);
}
if (frame_arm64->context_validity &
StackFrameARM64::CONTEXT_VALID_X15) {
sequence =
PrintRegister64("x15", frame_arm64->context.iregs[15], sequence);
}
if (frame_arm64->context_validity &
StackFrameARM64::CONTEXT_VALID_X16) {
sequence =
PrintRegister64("x16", frame_arm64->context.iregs[16], sequence);
}
if (frame_arm64->context_validity &
StackFrameARM64::CONTEXT_VALID_X17) {
sequence =
PrintRegister64("x17", frame_arm64->context.iregs[17], sequence);
}
if (frame_arm64->context_validity &
StackFrameARM64::CONTEXT_VALID_X18) {
sequence =
PrintRegister64("x18", frame_arm64->context.iregs[18], sequence);
}
if (frame_arm64->context_validity &
StackFrameARM64::CONTEXT_VALID_X19) {
sequence =
PrintRegister64("x19", frame_arm64->context.iregs[19], sequence);
}
if (frame_arm64->context_validity &
StackFrameARM64::CONTEXT_VALID_X20) {
sequence =
PrintRegister64("x20", frame_arm64->context.iregs[20], sequence);
}
if (frame_arm64->context_validity &
StackFrameARM64::CONTEXT_VALID_X21) {
sequence =
PrintRegister64("x21", frame_arm64->context.iregs[21], sequence);
}
if (frame_arm64->context_validity &
StackFrameARM64::CONTEXT_VALID_X22) {
sequence =
PrintRegister64("x22", frame_arm64->context.iregs[22], sequence);
}
if (frame_arm64->context_validity &
StackFrameARM64::CONTEXT_VALID_X23) {
sequence =
PrintRegister64("x23", frame_arm64->context.iregs[23], sequence);
}
if (frame_arm64->context_validity &
StackFrameARM64::CONTEXT_VALID_X24) {
sequence =
PrintRegister64("x24", frame_arm64->context.iregs[24], sequence);
}
if (frame_arm64->context_validity &
StackFrameARM64::CONTEXT_VALID_X25) {
sequence =
PrintRegister64("x25", frame_arm64->context.iregs[25], sequence);
}
if (frame_arm64->context_validity &
StackFrameARM64::CONTEXT_VALID_X26) {
sequence =
PrintRegister64("x26", frame_arm64->context.iregs[26], sequence);
}
if (frame_arm64->context_validity &
StackFrameARM64::CONTEXT_VALID_X27) {
sequence =
PrintRegister64("x27", frame_arm64->context.iregs[27], sequence);
}
if (frame_arm64->context_validity &
StackFrameARM64::CONTEXT_VALID_X28) {
sequence =
PrintRegister64("x28", frame_arm64->context.iregs[28], sequence);
}
// Registers with a dedicated or conventional purpose.
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_FP) {
sequence =
PrintRegister64("fp", frame_arm64->context.iregs[29], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_LR) {
sequence =
PrintRegister64("lr", frame_arm64->context.iregs[30], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_SP) {
sequence =
PrintRegister64("sp", frame_arm64->context.iregs[31], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_PC) {
sequence =
PrintRegister64("pc", frame_arm64->context.iregs[32], sequence);
}
} else if ((cpu == "mips") || (cpu == "mips64")) {
const StackFrameMIPS* frame_mips =
reinterpret_cast<const StackFrameMIPS*>(frame);
// Registers with a dedicated or conventional purpose.
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_FP) {
sequence =
PrintRegister64("fp", frame_arm64->context.iregs[29], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_LR) {
sequence =
PrintRegister64("lr", frame_arm64->context.iregs[30], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_SP) {
sequence =
PrintRegister64("sp", frame_arm64->context.iregs[31], sequence);
}
if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_PC) {
sequence =
PrintRegister64("pc", frame_arm64->context.iregs[32], sequence);
}
} else if ((cpu == "mips") || (cpu == "mips64")) {
const StackFrameMIPS* frame_mips =
reinterpret_cast<const StackFrameMIPS*>(frame);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_GP)
sequence = PrintRegister64("gp",
frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_GP],
sequence);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_SP)
sequence = PrintRegister64("sp",
frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_SP],
sequence);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_FP)
sequence = PrintRegister64("fp",
frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_FP],
sequence);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_RA)
sequence = PrintRegister64("ra",
frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_RA],
sequence);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_PC)
sequence = PrintRegister64("pc", frame_mips->context.epc, sequence);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_GP)
sequence = PrintRegister64(
"gp", frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_GP],
sequence);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_SP)
sequence = PrintRegister64(
"sp", frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_SP],
sequence);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_FP)
sequence = PrintRegister64(
"fp", frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_FP],
sequence);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_RA)
sequence = PrintRegister64(
"ra", frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_RA],
sequence);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_PC)
sequence = PrintRegister64("pc", frame_mips->context.epc, sequence);
// Save registers s0-s7
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S0)
sequence = PrintRegister64("s0",
frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S0],
sequence);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S1)
sequence = PrintRegister64("s1",
frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S1],
sequence);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S2)
sequence = PrintRegister64("s2",
frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S2],
sequence);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S3)
sequence = PrintRegister64("s3",
frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S3],
sequence);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S4)
sequence = PrintRegister64("s4",
frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S4],
sequence);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S5)
sequence = PrintRegister64("s5",
frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S5],
sequence);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S6)
sequence = PrintRegister64("s6",
frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S6],
sequence);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S7)
sequence = PrintRegister64("s7",
frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S7],
sequence);
// Save registers s0-s7
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S0)
sequence = PrintRegister64(
"s0", frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S0],
sequence);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S1)
sequence = PrintRegister64(
"s1", frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S1],
sequence);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S2)
sequence = PrintRegister64(
"s2", frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S2],
sequence);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S3)
sequence = PrintRegister64(
"s3", frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S3],
sequence);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S4)
sequence = PrintRegister64(
"s4", frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S4],
sequence);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S5)
sequence = PrintRegister64(
"s5", frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S5],
sequence);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S6)
sequence = PrintRegister64(
"s6", frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S6],
sequence);
if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S7)
sequence = PrintRegister64(
"s7", frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S7],
sequence);
}
}
printf("\n Found by: %s\n", frame->trust_description().c_str());

11
src/processor/stackwalker.cc
View file

@ -138,11 +138,12 @@ bool Stackwalker::Walk(
// frame_pointer fields. The frame structure comes from either the
// context frame (above) or a caller frame (below).
vector<std::unique_ptr<StackFrame>> inlined_frames;
// Resolve the module information, if a module map was provided.
StackFrameSymbolizer::SymbolizerResult symbolizer_result =
frame_symbolizer_->FillSourceLineInfo(modules_, unloaded_modules_,
system_info_,
frame.get());
frame.get(), &inlined_frames);
switch (symbolizer_result) {
case StackFrameSymbolizer::kInterrupt:
BPLOG(INFO) << "Stack walk is interrupted.";
@ -173,7 +174,11 @@ bool Stackwalker::Walk(
default:
break;
}
// Add all nested inlined frames belonging to this frame in reverse order.
while (!inlined_frames.empty()) {
stack->frames_.push_back(inlined_frames.back().release());
inlined_frames.pop_back();
}
// Add the frame to the call stack. Relinquish the ownership claim
// over the frame, because the stack now owns it.
stack->frames_.push_back(frame.release());
@ -307,7 +312,7 @@ bool Stackwalker::InstructionAddressSeemsValid(uint64_t address) const {
frame.instruction = address;
StackFrameSymbolizer::SymbolizerResult symbolizer_result =
frame_symbolizer_->FillSourceLineInfo(modules_, unloaded_modules_,
system_info_, &frame);
system_info_, &frame, nullptr);
if (!frame.module) {
// not inside any loaded module

BIN
src/processor/testdata/linux_inline.dmp vendored Normal file
View file

Binary file not shown.

68
src/processor/testdata/symbols/linux_inline/BBA6FA10B8AAB33D00000000000000000/linux_inline.sym vendored Normal file
View file

@ -0,0 +1,68 @@
MODULE Linux x86_64 BBA6FA10B8AAB33D00000000000000000 linux_inline
INFO CODE_ID 10FAA6BBAAB83DB3
FILE 0 linux_inline.cpp
INLINE_ORIGIN 0 0 bar()
INLINE_ORIGIN 1 0 foo()
INLINE_ORIGIN 2 0 func()
FUNC 15b30 6cf 0 main
INLINE 0 42 1 15b45 6b1
INLINE 1 39 0 15b72 684
INLINE 2 32 2 15b83 673
15b30 15 41 0
15b45 11 36 0
15b56 a 37 0
15b60 6 37 0
15b66 5 38 0
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