mirror of
https://git.suyu.dev/suyu/breakpad.git
synced 2026-01-01 20:24:40 +01:00
Process minidumps generated on ARM64 in iOS apps.
Patch by Colin Blundell <blundell@chromium.org> BUG=542 Review URL: https://breakpad.appspot.com/704002/ git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1236 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
mark@chromium.org
parent
77022ac0df
commit
e9165f4353
17 changed files with 5388 additions and 2643 deletions
536
src/processor/stackwalker_arm64_unittest.cc
Normal file
536
src/processor/stackwalker_arm64_unittest.cc
Normal file
|
|
@ -0,0 +1,536 @@
|
|||
// Copyright (c) 2010, Google Inc.
|
||||
// All rights reserved.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without
|
||||
// modification, are permitted provided that the following conditions are
|
||||
// met:
|
||||
//
|
||||
// * Redistributions of source code must retain the above copyright
|
||||
// notice, this list of conditions and the following disclaimer.
|
||||
// * Redistributions in binary form must reproduce the above
|
||||
// copyright notice, this list of conditions and the following disclaimer
|
||||
// in the documentation and/or other materials provided with the
|
||||
// distribution.
|
||||
// * Neither the name of Google Inc. nor the names of its
|
||||
// contributors may be used to endorse or promote products derived from
|
||||
// this software without specific prior written permission.
|
||||
//
|
||||
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
// Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>
|
||||
|
||||
// stackwalker_arm64_unittest.cc: Unit tests for StackwalkerARM64 class.
|
||||
|
||||
#include <string.h>
|
||||
#include <string>
|
||||
#include <vector>
|
||||
|
||||
#include "breakpad_googletest_includes.h"
|
||||
#include "common/test_assembler.h"
|
||||
#include "common/using_std_string.h"
|
||||
#include "google_breakpad/common/minidump_format.h"
|
||||
#include "google_breakpad/processor/basic_source_line_resolver.h"
|
||||
#include "google_breakpad/processor/call_stack.h"
|
||||
#include "google_breakpad/processor/code_module.h"
|
||||
#include "google_breakpad/processor/source_line_resolver_interface.h"
|
||||
#include "google_breakpad/processor/stack_frame_cpu.h"
|
||||
#include "processor/stackwalker_unittest_utils.h"
|
||||
#include "processor/stackwalker_arm64.h"
|
||||
#include "processor/windows_frame_info.h"
|
||||
|
||||
using google_breakpad::BasicSourceLineResolver;
|
||||
using google_breakpad::CallStack;
|
||||
using google_breakpad::CodeModule;
|
||||
using google_breakpad::StackFrameSymbolizer;
|
||||
using google_breakpad::StackFrame;
|
||||
using google_breakpad::StackFrameARM64;
|
||||
using google_breakpad::Stackwalker;
|
||||
using google_breakpad::StackwalkerARM64;
|
||||
using google_breakpad::SystemInfo;
|
||||
using google_breakpad::WindowsFrameInfo;
|
||||
using google_breakpad::test_assembler::kLittleEndian;
|
||||
using google_breakpad::test_assembler::Label;
|
||||
using google_breakpad::test_assembler::Section;
|
||||
using std::vector;
|
||||
using testing::_;
|
||||
using testing::AnyNumber;
|
||||
using testing::Return;
|
||||
using testing::SetArgumentPointee;
|
||||
using testing::Test;
|
||||
|
||||
class StackwalkerARM64Fixture {
|
||||
public:
|
||||
StackwalkerARM64Fixture()
|
||||
: stack_section(kLittleEndian),
|
||||
// Give the two modules reasonable standard locations and names
|
||||
// for tests to play with.
|
||||
module1(0x40000000, 0x10000, "module1", "version1"),
|
||||
module2(0x50000000, 0x10000, "module2", "version2") {
|
||||
// Identify the system as an iOS system, since that is the only platform
|
||||
// for which ARM64 support is currently enabled.
|
||||
system_info.os = "iOS";
|
||||
system_info.os_short = "ios";
|
||||
system_info.cpu = "arm64";
|
||||
system_info.cpu_info = "";
|
||||
|
||||
// Put distinctive values in the raw CPU context.
|
||||
BrandContext(&raw_context);
|
||||
|
||||
// Create some modules with some stock debugging information.
|
||||
modules.Add(&module1);
|
||||
modules.Add(&module2);
|
||||
|
||||
// By default, none of the modules have symbol info; call
|
||||
// SetModuleSymbols to override this.
|
||||
EXPECT_CALL(supplier, GetCStringSymbolData(_, _, _, _, _))
|
||||
.WillRepeatedly(Return(MockSymbolSupplier::NOT_FOUND));
|
||||
|
||||
// Avoid GMOCK WARNING "Uninteresting mock function call - returning
|
||||
// directly" for FreeSymbolData().
|
||||
EXPECT_CALL(supplier, FreeSymbolData(_)).Times(AnyNumber());
|
||||
|
||||
// Reset max_frames_scanned since it's static.
|
||||
Stackwalker::set_max_frames_scanned(1024);
|
||||
}
|
||||
|
||||
// Set the Breakpad symbol information that supplier should return for
|
||||
// MODULE to INFO.
|
||||
void SetModuleSymbols(MockCodeModule *module, const string &info) {
|
||||
size_t buffer_size;
|
||||
char *buffer = supplier.CopySymbolDataAndOwnTheCopy(info, &buffer_size);
|
||||
EXPECT_CALL(supplier, GetCStringSymbolData(module, &system_info, _, _, _))
|
||||
.WillRepeatedly(DoAll(SetArgumentPointee<3>(buffer),
|
||||
SetArgumentPointee<4>(buffer_size),
|
||||
Return(MockSymbolSupplier::FOUND)));
|
||||
}
|
||||
|
||||
// Populate stack_region with the contents of stack_section. Use
|
||||
// stack_section.start() as the region's starting address.
|
||||
void RegionFromSection() {
|
||||
string contents;
|
||||
ASSERT_TRUE(stack_section.GetContents(&contents));
|
||||
stack_region.Init(stack_section.start().Value(), contents);
|
||||
}
|
||||
|
||||
// Fill RAW_CONTEXT with pseudo-random data, for round-trip checking.
|
||||
void BrandContext(MDRawContextARM64 *raw_context) {
|
||||
uint8_t x = 173;
|
||||
for (size_t i = 0; i < sizeof(*raw_context); i++)
|
||||
reinterpret_cast<uint8_t *>(raw_context)[i] = (x += 17);
|
||||
}
|
||||
|
||||
SystemInfo system_info;
|
||||
MDRawContextARM64 raw_context;
|
||||
Section stack_section;
|
||||
MockMemoryRegion stack_region;
|
||||
MockCodeModule module1;
|
||||
MockCodeModule module2;
|
||||
MockCodeModules modules;
|
||||
MockSymbolSupplier supplier;
|
||||
BasicSourceLineResolver resolver;
|
||||
CallStack call_stack;
|
||||
const vector<StackFrame *> *frames;
|
||||
};
|
||||
|
||||
class SanityCheck: public StackwalkerARM64Fixture, public Test { };
|
||||
|
||||
TEST_F(SanityCheck, NoResolver) {
|
||||
// Since the context's frame pointer is garbage, the stack walk will end after
|
||||
// the first frame.
|
||||
StackFrameSymbolizer frame_symbolizer(NULL, NULL);
|
||||
StackwalkerARM64 walker(&system_info, &raw_context, &stack_region, &modules,
|
||||
&frame_symbolizer);
|
||||
// This should succeed even without a resolver or supplier.
|
||||
vector<const CodeModule*> modules_without_symbols;
|
||||
vector<const CodeModule*> modules_with_corrupt_symbols;
|
||||
ASSERT_TRUE(walker.Walk(&call_stack, &modules_without_symbols,
|
||||
&modules_with_corrupt_symbols));
|
||||
ASSERT_EQ(0U, modules_without_symbols.size());
|
||||
ASSERT_EQ(0U, modules_with_corrupt_symbols.size());
|
||||
frames = call_stack.frames();
|
||||
ASSERT_EQ(1U, frames->size());
|
||||
StackFrameARM64 *frame = static_cast<StackFrameARM64 *>(frames->at(0));
|
||||
// Check that the values from the original raw context made it
|
||||
// through to the context in the stack frame.
|
||||
EXPECT_EQ(0, memcmp(&raw_context, &frame->context, sizeof(raw_context)));
|
||||
}
|
||||
|
||||
class GetContextFrame: public StackwalkerARM64Fixture, public Test { };
|
||||
|
||||
// The stackwalker should be able to produce the context frame even
|
||||
// without stack memory present.
|
||||
TEST_F(GetContextFrame, NoStackMemory) {
|
||||
StackFrameSymbolizer frame_symbolizer(&supplier, &resolver);
|
||||
StackwalkerARM64 walker(&system_info, &raw_context, NULL, &modules,
|
||||
&frame_symbolizer);
|
||||
vector<const CodeModule*> modules_without_symbols;
|
||||
vector<const CodeModule*> modules_with_corrupt_symbols;
|
||||
ASSERT_TRUE(walker.Walk(&call_stack, &modules_without_symbols,
|
||||
&modules_with_corrupt_symbols));
|
||||
ASSERT_EQ(0U, modules_without_symbols.size());
|
||||
ASSERT_EQ(0U, modules_with_corrupt_symbols.size());
|
||||
frames = call_stack.frames();
|
||||
ASSERT_EQ(1U, frames->size());
|
||||
StackFrameARM64 *frame = static_cast<StackFrameARM64 *>(frames->at(0));
|
||||
// Check that the values from the original raw context made it
|
||||
// through to the context in the stack frame.
|
||||
EXPECT_EQ(0, memcmp(&raw_context, &frame->context, sizeof(raw_context)));
|
||||
}
|
||||
|
||||
class GetCallerFrame: public StackwalkerARM64Fixture, public Test { };
|
||||
|
||||
TEST_F(GetCallerFrame, ScanWithoutSymbols) {
|
||||
// When the stack walker resorts to scanning the stack,
|
||||
// only addresses located within loaded modules are
|
||||
// considered valid return addresses.
|
||||
// Force scanning through three frames to ensure that the
|
||||
// stack pointer is set properly in scan-recovered frames.
|
||||
stack_section.start() = 0x80000000;
|
||||
uint64_t return_address1 = 0x50000100;
|
||||
uint64_t return_address2 = 0x50000900;
|
||||
Label frame1_sp, frame2_sp;
|
||||
stack_section
|
||||
// frame 0
|
||||
.Append(16, 0) // space
|
||||
|
||||
.D64(0x40090000) // junk that's not
|
||||
.D64(0x60000000) // a return address
|
||||
|
||||
.D64(return_address1) // actual return address
|
||||
// frame 1
|
||||
.Mark(&frame1_sp)
|
||||
.Append(16, 0) // space
|
||||
|
||||
.D64(0xF0000000) // more junk
|
||||
.D64(0x0000000D)
|
||||
|
||||
.D64(return_address2) // actual return address
|
||||
// frame 2
|
||||
.Mark(&frame2_sp)
|
||||
.Append(64, 0); // end of stack
|
||||
RegionFromSection();
|
||||
|
||||
raw_context.iregs[MD_CONTEXT_ARM64_REG_PC] = 0x40005510;
|
||||
raw_context.iregs[MD_CONTEXT_ARM64_REG_SP] = stack_section.start().Value();
|
||||
|
||||
StackFrameSymbolizer frame_symbolizer(&supplier, &resolver);
|
||||
StackwalkerARM64 walker(&system_info, &raw_context, &stack_region, &modules,
|
||||
&frame_symbolizer);
|
||||
vector<const CodeModule*> modules_without_symbols;
|
||||
vector<const CodeModule*> modules_with_corrupt_symbols;
|
||||
ASSERT_TRUE(walker.Walk(&call_stack, &modules_without_symbols,
|
||||
&modules_with_corrupt_symbols));
|
||||
ASSERT_EQ(2U, modules_without_symbols.size());
|
||||
ASSERT_EQ("module1", modules_without_symbols[0]->debug_file());
|
||||
ASSERT_EQ("module2", modules_without_symbols[1]->debug_file());
|
||||
ASSERT_EQ(0U, modules_with_corrupt_symbols.size());
|
||||
frames = call_stack.frames();
|
||||
ASSERT_EQ(3U, frames->size());
|
||||
|
||||
StackFrameARM64 *frame0 = static_cast<StackFrameARM64 *>(frames->at(0));
|
||||
EXPECT_EQ(StackFrame::FRAME_TRUST_CONTEXT, frame0->trust);
|
||||
ASSERT_EQ(StackFrameARM64::CONTEXT_VALID_ALL,
|
||||
frame0->context_validity);
|
||||
EXPECT_EQ(0, memcmp(&raw_context, &frame0->context, sizeof(raw_context)));
|
||||
|
||||
StackFrameARM64 *frame1 = static_cast<StackFrameARM64 *>(frames->at(1));
|
||||
EXPECT_EQ(StackFrame::FRAME_TRUST_SCAN, frame1->trust);
|
||||
ASSERT_EQ((StackFrameARM64::CONTEXT_VALID_PC |
|
||||
StackFrameARM64::CONTEXT_VALID_SP),
|
||||
frame1->context_validity);
|
||||
EXPECT_EQ(return_address1, frame1->context.iregs[MD_CONTEXT_ARM64_REG_PC]);
|
||||
EXPECT_EQ(frame1_sp.Value(), frame1->context.iregs[MD_CONTEXT_ARM64_REG_SP]);
|
||||
|
||||
StackFrameARM64 *frame2 = static_cast<StackFrameARM64 *>(frames->at(2));
|
||||
EXPECT_EQ(StackFrame::FRAME_TRUST_SCAN, frame2->trust);
|
||||
ASSERT_EQ((StackFrameARM64::CONTEXT_VALID_PC |
|
||||
StackFrameARM64::CONTEXT_VALID_SP),
|
||||
frame2->context_validity);
|
||||
EXPECT_EQ(return_address2, frame2->context.iregs[MD_CONTEXT_ARM64_REG_PC]);
|
||||
EXPECT_EQ(frame2_sp.Value(), frame2->context.iregs[MD_CONTEXT_ARM64_REG_SP]);
|
||||
}
|
||||
|
||||
TEST_F(GetCallerFrame, ScanWithFunctionSymbols) {
|
||||
// During stack scanning, if a potential return address
|
||||
// is located within a loaded module that has symbols,
|
||||
// it is only considered a valid return address if it
|
||||
// lies within a function's bounds.
|
||||
stack_section.start() = 0x80000000;
|
||||
uint64_t return_address = 0x50000200;
|
||||
Label frame1_sp;
|
||||
|
||||
stack_section
|
||||
// frame 0
|
||||
.Append(16, 0) // space
|
||||
|
||||
.D64(0x40090000) // junk that's not
|
||||
.D64(0x60000000) // a return address
|
||||
|
||||
.D64(0x40001000) // a couple of plausible addresses
|
||||
.D64(0x5000F000) // that are not within functions
|
||||
|
||||
.D64(return_address) // actual return address
|
||||
// frame 1
|
||||
.Mark(&frame1_sp)
|
||||
.Append(64, 0); // end of stack
|
||||
RegionFromSection();
|
||||
|
||||
raw_context.iregs[MD_CONTEXT_ARM64_REG_PC] = 0x40000200;
|
||||
raw_context.iregs[MD_CONTEXT_ARM64_REG_SP] = stack_section.start().Value();
|
||||
|
||||
SetModuleSymbols(&module1,
|
||||
// The youngest frame's function.
|
||||
"FUNC 100 400 10 monotreme\n");
|
||||
SetModuleSymbols(&module2,
|
||||
// The calling frame's function.
|
||||
"FUNC 100 400 10 marsupial\n");
|
||||
|
||||
StackFrameSymbolizer frame_symbolizer(&supplier, &resolver);
|
||||
StackwalkerARM64 walker(&system_info, &raw_context, &stack_region, &modules,
|
||||
&frame_symbolizer);
|
||||
vector<const CodeModule*> modules_without_symbols;
|
||||
vector<const CodeModule*> modules_with_corrupt_symbols;
|
||||
ASSERT_TRUE(walker.Walk(&call_stack, &modules_without_symbols,
|
||||
&modules_with_corrupt_symbols));
|
||||
ASSERT_EQ(0U, modules_without_symbols.size());
|
||||
ASSERT_EQ(0U, modules_with_corrupt_symbols.size());
|
||||
frames = call_stack.frames();
|
||||
ASSERT_EQ(2U, frames->size());
|
||||
|
||||
StackFrameARM64 *frame0 = static_cast<StackFrameARM64 *>(frames->at(0));
|
||||
EXPECT_EQ(StackFrame::FRAME_TRUST_CONTEXT, frame0->trust);
|
||||
ASSERT_EQ(StackFrameARM64::CONTEXT_VALID_ALL,
|
||||
frame0->context_validity);
|
||||
EXPECT_EQ(0, memcmp(&raw_context, &frame0->context, sizeof(raw_context)));
|
||||
EXPECT_EQ("monotreme", frame0->function_name);
|
||||
EXPECT_EQ(0x40000100ULL, frame0->function_base);
|
||||
|
||||
StackFrameARM64 *frame1 = static_cast<StackFrameARM64 *>(frames->at(1));
|
||||
EXPECT_EQ(StackFrame::FRAME_TRUST_SCAN, frame1->trust);
|
||||
ASSERT_EQ((StackFrameARM64::CONTEXT_VALID_PC |
|
||||
StackFrameARM64::CONTEXT_VALID_SP),
|
||||
frame1->context_validity);
|
||||
EXPECT_EQ(return_address, frame1->context.iregs[MD_CONTEXT_ARM64_REG_PC]);
|
||||
EXPECT_EQ(frame1_sp.Value(), frame1->context.iregs[MD_CONTEXT_ARM64_REG_SP]);
|
||||
EXPECT_EQ("marsupial", frame1->function_name);
|
||||
EXPECT_EQ(0x50000100ULL, frame1->function_base);
|
||||
}
|
||||
|
||||
TEST_F(GetCallerFrame, ScanFirstFrame) {
|
||||
// If the stackwalker resorts to stack scanning, it will scan much
|
||||
// farther to find the caller of the context frame.
|
||||
stack_section.start() = 0x80000000;
|
||||
uint64_t return_address1 = 0x50000100;
|
||||
uint64_t return_address2 = 0x50000900;
|
||||
Label frame1_sp, frame2_sp;
|
||||
stack_section
|
||||
// frame 0
|
||||
.Append(32, 0) // space
|
||||
|
||||
.D64(0x40090000) // junk that's not
|
||||
.D64(0x60000000) // a return address
|
||||
|
||||
.Append(96, 0) // more space
|
||||
|
||||
.D64(return_address1) // actual return address
|
||||
// frame 1
|
||||
.Mark(&frame1_sp)
|
||||
.Append(32, 0) // space
|
||||
|
||||
.D64(0xF0000000) // more junk
|
||||
.D64(0x0000000D)
|
||||
|
||||
.Append(256, 0) // more space
|
||||
|
||||
.D64(return_address2) // actual return address
|
||||
// (won't be found)
|
||||
// frame 2
|
||||
.Mark(&frame2_sp)
|
||||
.Append(64, 0); // end of stack
|
||||
RegionFromSection();
|
||||
|
||||
raw_context.iregs[MD_CONTEXT_ARM64_REG_PC] = 0x40005510;
|
||||
raw_context.iregs[MD_CONTEXT_ARM64_REG_SP] = stack_section.start().Value();
|
||||
|
||||
StackFrameSymbolizer frame_symbolizer(&supplier, &resolver);
|
||||
StackwalkerARM64 walker(&system_info, &raw_context, &stack_region, &modules,
|
||||
&frame_symbolizer);
|
||||
vector<const CodeModule*> modules_without_symbols;
|
||||
vector<const CodeModule*> modules_with_corrupt_symbols;
|
||||
ASSERT_TRUE(walker.Walk(&call_stack, &modules_without_symbols,
|
||||
&modules_with_corrupt_symbols));
|
||||
ASSERT_EQ(2U, modules_without_symbols.size());
|
||||
ASSERT_EQ("module1", modules_without_symbols[0]->debug_file());
|
||||
ASSERT_EQ("module2", modules_without_symbols[1]->debug_file());
|
||||
ASSERT_EQ(0U, modules_with_corrupt_symbols.size());
|
||||
frames = call_stack.frames();
|
||||
ASSERT_EQ(2U, frames->size());
|
||||
|
||||
StackFrameARM64 *frame0 = static_cast<StackFrameARM64 *>(frames->at(0));
|
||||
EXPECT_EQ(StackFrame::FRAME_TRUST_CONTEXT, frame0->trust);
|
||||
ASSERT_EQ(StackFrameARM64::CONTEXT_VALID_ALL,
|
||||
frame0->context_validity);
|
||||
EXPECT_EQ(0, memcmp(&raw_context, &frame0->context, sizeof(raw_context)));
|
||||
|
||||
StackFrameARM64 *frame1 = static_cast<StackFrameARM64 *>(frames->at(1));
|
||||
EXPECT_EQ(StackFrame::FRAME_TRUST_SCAN, frame1->trust);
|
||||
ASSERT_EQ((StackFrameARM64::CONTEXT_VALID_PC |
|
||||
StackFrameARM64::CONTEXT_VALID_SP),
|
||||
frame1->context_validity);
|
||||
EXPECT_EQ(return_address1, frame1->context.iregs[MD_CONTEXT_ARM64_REG_PC]);
|
||||
EXPECT_EQ(frame1_sp.Value(), frame1->context.iregs[MD_CONTEXT_ARM64_REG_SP]);
|
||||
}
|
||||
|
||||
// Test that set_max_frames_scanned prevents using stack scanning
|
||||
// to find caller frames.
|
||||
TEST_F(GetCallerFrame, ScanningNotAllowed) {
|
||||
// When the stack walker resorts to scanning the stack,
|
||||
// only addresses located within loaded modules are
|
||||
// considered valid return addresses.
|
||||
stack_section.start() = 0x80000000;
|
||||
uint64_t return_address1 = 0x50000100;
|
||||
uint64_t return_address2 = 0x50000900;
|
||||
Label frame1_sp, frame2_sp;
|
||||
stack_section
|
||||
// frame 0
|
||||
.Append(16, 0) // space
|
||||
|
||||
.D64(0x40090000) // junk that's not
|
||||
.D64(0x60000000) // a return address
|
||||
|
||||
.D64(return_address1) // actual return address
|
||||
// frame 1
|
||||
.Mark(&frame1_sp)
|
||||
.Append(16, 0) // space
|
||||
|
||||
.D64(0xF0000000) // more junk
|
||||
.D64(0x0000000D)
|
||||
|
||||
.D64(return_address2) // actual return address
|
||||
// frame 2
|
||||
.Mark(&frame2_sp)
|
||||
.Append(64, 0); // end of stack
|
||||
RegionFromSection();
|
||||
|
||||
raw_context.iregs[MD_CONTEXT_ARM64_REG_PC] = 0x40005510;
|
||||
raw_context.iregs[MD_CONTEXT_ARM64_REG_SP] = stack_section.start().Value();
|
||||
|
||||
StackFrameSymbolizer frame_symbolizer(&supplier, &resolver);
|
||||
StackwalkerARM64 walker(&system_info, &raw_context, &stack_region, &modules,
|
||||
&frame_symbolizer);
|
||||
Stackwalker::set_max_frames_scanned(0);
|
||||
|
||||
vector<const CodeModule*> modules_without_symbols;
|
||||
vector<const CodeModule*> modules_with_corrupt_symbols;
|
||||
ASSERT_TRUE(walker.Walk(&call_stack, &modules_without_symbols,
|
||||
&modules_with_corrupt_symbols));
|
||||
ASSERT_EQ(1U, modules_without_symbols.size());
|
||||
ASSERT_EQ("module1", modules_without_symbols[0]->debug_file());
|
||||
ASSERT_EQ(0U, modules_with_corrupt_symbols.size());
|
||||
frames = call_stack.frames();
|
||||
ASSERT_EQ(1U, frames->size());
|
||||
|
||||
StackFrameARM64 *frame0 = static_cast<StackFrameARM64 *>(frames->at(0));
|
||||
EXPECT_EQ(StackFrame::FRAME_TRUST_CONTEXT, frame0->trust);
|
||||
ASSERT_EQ(StackFrameARM64::CONTEXT_VALID_ALL,
|
||||
frame0->context_validity);
|
||||
EXPECT_EQ(0, memcmp(&raw_context, &frame0->context, sizeof(raw_context)));
|
||||
}
|
||||
|
||||
class GetFramesByFramePointer: public StackwalkerARM64Fixture, public Test { };
|
||||
|
||||
TEST_F(GetFramesByFramePointer, OnlyFramePointer) {
|
||||
stack_section.start() = 0x80000000;
|
||||
uint64_t return_address1 = 0x50000100;
|
||||
uint64_t return_address2 = 0x50000900;
|
||||
Label frame1_sp, frame2_sp;
|
||||
Label frame1_fp, frame2_fp;
|
||||
stack_section
|
||||
// frame 0
|
||||
.Append(64, 0) // Whatever values on the stack.
|
||||
.D64(0x0000000D) // junk that's not
|
||||
.D64(0xF0000000) // a return address.
|
||||
|
||||
.Mark(&frame1_fp) // Next fp will point to the next value.
|
||||
.D64(frame2_fp) // Save current frame pointer.
|
||||
.D64(return_address2) // Save current link register.
|
||||
.Mark(&frame1_sp)
|
||||
|
||||
// frame 1
|
||||
.Append(64, 0) // Whatever values on the stack.
|
||||
.D64(0x0000000D) // junk that's not
|
||||
.D64(0xF0000000) // a return address.
|
||||
|
||||
.Mark(&frame2_fp)
|
||||
.D64(0)
|
||||
.D64(0)
|
||||
.Mark(&frame2_sp)
|
||||
|
||||
// frame 2
|
||||
.Append(64, 0) // Whatever values on the stack.
|
||||
.D64(0x0000000D) // junk that's not
|
||||
.D64(0xF0000000); // a return address.
|
||||
RegionFromSection();
|
||||
|
||||
|
||||
raw_context.iregs[MD_CONTEXT_ARM64_REG_PC] = 0x40005510;
|
||||
raw_context.iregs[MD_CONTEXT_ARM64_REG_LR] = return_address1;
|
||||
raw_context.iregs[MD_CONTEXT_ARM64_REG_FP] = frame1_fp.Value();
|
||||
raw_context.iregs[MD_CONTEXT_ARM64_REG_SP] = stack_section.start().Value();
|
||||
|
||||
StackFrameSymbolizer frame_symbolizer(&supplier, &resolver);
|
||||
StackwalkerARM64 walker(&system_info, &raw_context,
|
||||
&stack_region, &modules, &frame_symbolizer);
|
||||
|
||||
vector<const CodeModule*> modules_without_symbols;
|
||||
vector<const CodeModule*> modules_with_corrupt_symbols;
|
||||
ASSERT_TRUE(walker.Walk(&call_stack, &modules_without_symbols,
|
||||
&modules_with_corrupt_symbols));
|
||||
ASSERT_EQ(2U, modules_without_symbols.size());
|
||||
ASSERT_EQ("module1", modules_without_symbols[0]->debug_file());
|
||||
ASSERT_EQ("module2", modules_without_symbols[1]->debug_file());
|
||||
ASSERT_EQ(0U, modules_with_corrupt_symbols.size());
|
||||
frames = call_stack.frames();
|
||||
ASSERT_EQ(3U, frames->size());
|
||||
|
||||
StackFrameARM64 *frame0 = static_cast<StackFrameARM64 *>(frames->at(0));
|
||||
EXPECT_EQ(StackFrame::FRAME_TRUST_CONTEXT, frame0->trust);
|
||||
ASSERT_EQ(StackFrameARM64::CONTEXT_VALID_ALL,
|
||||
frame0->context_validity);
|
||||
EXPECT_EQ(0, memcmp(&raw_context, &frame0->context, sizeof(raw_context)));
|
||||
|
||||
StackFrameARM64 *frame1 = static_cast<StackFrameARM64 *>(frames->at(1));
|
||||
EXPECT_EQ(StackFrame::FRAME_TRUST_FP, frame1->trust);
|
||||
ASSERT_EQ((StackFrameARM64::CONTEXT_VALID_PC |
|
||||
StackFrameARM64::CONTEXT_VALID_LR |
|
||||
StackFrameARM64::CONTEXT_VALID_FP |
|
||||
StackFrameARM64::CONTEXT_VALID_SP),
|
||||
frame1->context_validity);
|
||||
EXPECT_EQ(return_address1, frame1->context.iregs[MD_CONTEXT_ARM64_REG_PC]);
|
||||
EXPECT_EQ(return_address2, frame1->context.iregs[MD_CONTEXT_ARM64_REG_LR]);
|
||||
EXPECT_EQ(frame1_sp.Value(), frame1->context.iregs[MD_CONTEXT_ARM64_REG_SP]);
|
||||
EXPECT_EQ(frame2_fp.Value(),
|
||||
frame1->context.iregs[MD_CONTEXT_ARM64_REG_FP]);
|
||||
|
||||
StackFrameARM64 *frame2 = static_cast<StackFrameARM64 *>(frames->at(2));
|
||||
EXPECT_EQ(StackFrame::FRAME_TRUST_FP, frame2->trust);
|
||||
ASSERT_EQ((StackFrameARM64::CONTEXT_VALID_PC |
|
||||
StackFrameARM64::CONTEXT_VALID_LR |
|
||||
StackFrameARM64::CONTEXT_VALID_FP |
|
||||
StackFrameARM64::CONTEXT_VALID_SP),
|
||||
frame2->context_validity);
|
||||
EXPECT_EQ(return_address2, frame2->context.iregs[MD_CONTEXT_ARM64_REG_PC]);
|
||||
EXPECT_EQ(0U, frame2->context.iregs[MD_CONTEXT_ARM64_REG_LR]);
|
||||
EXPECT_EQ(frame2_sp.Value(), frame2->context.iregs[MD_CONTEXT_ARM64_REG_SP]);
|
||||
EXPECT_EQ(0U, frame2->context.iregs[MD_CONTEXT_ARM64_REG_FP]);
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue