From e9165f4353a50aee322ad4caf2f499d26d77ed6f Mon Sep 17 00:00:00 2001 From: "mark@chromium.org" Date: Sat, 23 Nov 2013 01:45:20 +0000 Subject: Process minidumps generated on ARM64 in iOS apps. Patch by Colin Blundell 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 --- src/processor/stackwalker_arm64_unittest.cc | 536 ++++++++++++++++++++++++++++ 1 file changed, 536 insertions(+) create mode 100644 src/processor/stackwalker_arm64_unittest.cc (limited to 'src/processor/stackwalker_arm64_unittest.cc') diff --git a/src/processor/stackwalker_arm64_unittest.cc b/src/processor/stackwalker_arm64_unittest.cc new file mode 100644 index 00000000..1502c8f3 --- /dev/null +++ b/src/processor/stackwalker_arm64_unittest.cc @@ -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 + +// stackwalker_arm64_unittest.cc: Unit tests for StackwalkerARM64 class. + +#include +#include +#include + +#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(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 *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 modules_without_symbols; + vector 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(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 modules_without_symbols; + vector 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(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 modules_without_symbols; + vector 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(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(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(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 modules_without_symbols; + vector 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(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(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 modules_without_symbols; + vector 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(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(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 modules_without_symbols; + vector 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(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 modules_without_symbols; + vector 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(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(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(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]); +} -- cgit v1.2.1