Add BuildId to frame information.
Update debuggerd to print BuildId information by default.
Bug: 120975492
Test: New unit tests pass.
Test: debuggerd -b <PID> shows build id information.
Test: tombstones include build id information.
Change-Id: I019b031113d0b77385516223c63455b868924440
diff --git a/libunwindstack/Unwinder.cpp b/libunwindstack/Unwinder.cpp
index a1c58dd..3f2e1c1 100644
--- a/libunwindstack/Unwinder.cpp
+++ b/libunwindstack/Unwinder.cpp
@@ -284,17 +284,9 @@
}
}
-std::string Unwinder::FormatFrame(size_t frame_num) {
- if (frame_num >= frames_.size()) {
- return "";
- }
- return FormatFrame(frames_[frame_num], regs_->Is32Bit());
-}
-
-std::string Unwinder::FormatFrame(const FrameData& frame, bool is32bit) {
+std::string Unwinder::FormatFrame(const FrameData& frame) {
std::string data;
-
- if (is32bit) {
+ if (regs_->Is32Bit()) {
data += android::base::StringPrintf(" #%02zu pc %08" PRIx64, frame.num, frame.rel_pc);
} else {
data += android::base::StringPrintf(" #%02zu pc %016" PRIx64, frame.num, frame.rel_pc);
@@ -320,9 +312,24 @@
}
data += ')';
}
+
+ MapInfo* map_info = maps_->Find(frame.map_start);
+ if (map_info != nullptr && display_build_id_) {
+ std::string build_id = map_info->GetPrintableBuildID();
+ if (!build_id.empty()) {
+ data += " (BuildId: " + build_id + ')';
+ }
+ }
return data;
}
+std::string Unwinder::FormatFrame(size_t frame_num) {
+ if (frame_num >= frames_.size()) {
+ return "";
+ }
+ return FormatFrame(frames_[frame_num]);
+}
+
void Unwinder::SetJitDebug(JitDebug* jit_debug, ArchEnum arch) {
jit_debug->SetArch(arch);
jit_debug_ = jit_debug;
diff --git a/libunwindstack/include/unwindstack/Unwinder.h b/libunwindstack/include/unwindstack/Unwinder.h
index a0554e2..8b01654 100644
--- a/libunwindstack/include/unwindstack/Unwinder.h
+++ b/libunwindstack/include/unwindstack/Unwinder.h
@@ -88,7 +88,7 @@
}
std::string FormatFrame(size_t frame_num);
- static std::string FormatFrame(const FrameData& frame, bool is32bit);
+ std::string FormatFrame(const FrameData& frame);
void SetJitDebug(JitDebug* jit_debug, ArchEnum arch);
@@ -105,6 +105,8 @@
// NOTE: This does nothing unless resolving names is enabled.
void SetEmbeddedSoname(bool embedded_soname) { embedded_soname_ = embedded_soname; }
+ void SetDisplayBuildID(bool display_build_id) { display_build_id_ = display_build_id; }
+
#if !defined(NO_LIBDEXFILE_SUPPORT)
void SetDexFiles(DexFiles* dex_files, ArchEnum arch);
#endif
@@ -130,6 +132,7 @@
#endif
bool resolve_names_ = true;
bool embedded_soname_ = true;
+ bool display_build_id_ = false;
ErrorData last_error_;
};
diff --git a/libunwindstack/tests/RegsFake.h b/libunwindstack/tests/RegsFake.h
index d6ca9b7..207d46e 100644
--- a/libunwindstack/tests/RegsFake.h
+++ b/libunwindstack/tests/RegsFake.h
@@ -23,6 +23,8 @@
#include <unwindstack/Memory.h>
#include <unwindstack/Regs.h>
+#include "Check.h"
+
namespace unwindstack {
class RegsFake : public Regs {
@@ -47,7 +49,10 @@
void IterateRegisters(std::function<void(const char*, uint64_t)>) override {}
- bool Is32Bit() { return false; }
+ bool Is32Bit() {
+ CHECK(fake_arch_ != ARCH_UNKNOWN);
+ return fake_arch_ == ARCH_ARM || fake_arch_ == ARCH_X86 || fake_arch_ == ARCH_MIPS;
+ }
uint64_t GetPcAdjustment(uint64_t, Elf*) override { return 2; }
diff --git a/libunwindstack/tests/UnwinderTest.cpp b/libunwindstack/tests/UnwinderTest.cpp
index 504b57a..48e038e 100644
--- a/libunwindstack/tests/UnwinderTest.cpp
+++ b/libunwindstack/tests/UnwinderTest.cpp
@@ -58,7 +58,9 @@
maps_.reset(new Maps);
ElfFake* elf = new ElfFake(new MemoryFake);
- elf->FakeSetInterface(new ElfInterfaceFake(nullptr));
+ ElfInterfaceFake* interface_fake = new ElfInterfaceFake(nullptr);
+ interface_fake->FakeSetBuildID("FAKE");
+ elf->FakeSetInterface(interface_fake);
AddMapInfo(0x1000, 0x8000, 0, PROT_READ | PROT_WRITE, "/system/fake/libc.so", elf);
AddMapInfo(0x10000, 0x12000, 0, PROT_READ | PROT_WRITE, "[stack]");
@@ -1102,7 +1104,15 @@
}
// Verify format frame code.
-TEST_F(UnwinderTest, format_frame_static) {
+TEST_F(UnwinderTest, format_frame) {
+ RegsFake regs_arm(10);
+ regs_arm.FakeSetArch(ARCH_ARM);
+ Unwinder unwinder32(10, maps_.get(), ®s_arm, process_memory_);
+
+ RegsFake regs_arm64(10);
+ regs_arm64.FakeSetArch(ARCH_ARM64);
+ Unwinder unwinder64(10, maps_.get(), ®s_arm64, process_memory_);
+
FrameData frame;
frame.num = 1;
frame.rel_pc = 0x1000;
@@ -1117,39 +1127,61 @@
frame.map_flags = PROT_READ;
EXPECT_EQ(" #01 pc 0000000000001000 /fake/libfake.so (offset 0x2000) (function+100)",
- Unwinder::FormatFrame(frame, false));
+ unwinder64.FormatFrame(frame));
EXPECT_EQ(" #01 pc 00001000 /fake/libfake.so (offset 0x2000) (function+100)",
- Unwinder::FormatFrame(frame, true));
+ unwinder32.FormatFrame(frame));
frame.map_elf_start_offset = 0;
EXPECT_EQ(" #01 pc 0000000000001000 /fake/libfake.so (function+100)",
- Unwinder::FormatFrame(frame, false));
- EXPECT_EQ(" #01 pc 00001000 /fake/libfake.so (function+100)",
- Unwinder::FormatFrame(frame, true));
+ unwinder64.FormatFrame(frame));
+ EXPECT_EQ(" #01 pc 00001000 /fake/libfake.so (function+100)", unwinder32.FormatFrame(frame));
frame.function_offset = 0;
EXPECT_EQ(" #01 pc 0000000000001000 /fake/libfake.so (function)",
- Unwinder::FormatFrame(frame, false));
- EXPECT_EQ(" #01 pc 00001000 /fake/libfake.so (function)", Unwinder::FormatFrame(frame, true));
+ unwinder64.FormatFrame(frame));
+ EXPECT_EQ(" #01 pc 00001000 /fake/libfake.so (function)", unwinder32.FormatFrame(frame));
// Verify the function name is demangled.
frame.function_name = "_ZN4funcEv";
- EXPECT_EQ(" #01 pc 0000000000001000 /fake/libfake.so (func())",
- Unwinder::FormatFrame(frame, false));
- EXPECT_EQ(" #01 pc 00001000 /fake/libfake.so (func())", Unwinder::FormatFrame(frame, true));
+ EXPECT_EQ(" #01 pc 0000000000001000 /fake/libfake.so (func())", unwinder64.FormatFrame(frame));
+ EXPECT_EQ(" #01 pc 00001000 /fake/libfake.so (func())", unwinder32.FormatFrame(frame));
frame.function_name = "";
- EXPECT_EQ(" #01 pc 0000000000001000 /fake/libfake.so", Unwinder::FormatFrame(frame, false));
- EXPECT_EQ(" #01 pc 00001000 /fake/libfake.so", Unwinder::FormatFrame(frame, true));
+ EXPECT_EQ(" #01 pc 0000000000001000 /fake/libfake.so", unwinder64.FormatFrame(frame));
+ EXPECT_EQ(" #01 pc 00001000 /fake/libfake.so", unwinder32.FormatFrame(frame));
frame.map_name = "";
- EXPECT_EQ(" #01 pc 0000000000001000 <anonymous:3000>", Unwinder::FormatFrame(frame, false));
- EXPECT_EQ(" #01 pc 00001000 <anonymous:3000>", Unwinder::FormatFrame(frame, true));
+ EXPECT_EQ(" #01 pc 0000000000001000 <anonymous:3000>", unwinder64.FormatFrame(frame));
+ EXPECT_EQ(" #01 pc 00001000 <anonymous:3000>", unwinder32.FormatFrame(frame));
frame.map_start = 0;
frame.map_end = 0;
- EXPECT_EQ(" #01 pc 0000000000001000 <unknown>", Unwinder::FormatFrame(frame, false));
- EXPECT_EQ(" #01 pc 00001000 <unknown>", Unwinder::FormatFrame(frame, true));
+ EXPECT_EQ(" #01 pc 0000000000001000 <unknown>", unwinder64.FormatFrame(frame));
+ EXPECT_EQ(" #01 pc 00001000 <unknown>", unwinder32.FormatFrame(frame));
+}
+
+TEST_F(UnwinderTest, format_frame_build_id) {
+ RegsFake regs(10);
+ regs.FakeSetArch(ARCH_ARM);
+ Unwinder unwinder(10, maps_.get(), ®s, process_memory_);
+
+ FrameData frame;
+ frame.num = 1;
+ frame.rel_pc = 0x1000;
+ frame.pc = 0x4000;
+ frame.sp = 0x1000;
+ frame.function_name = "function";
+ frame.function_offset = 100;
+ frame.map_name = "/fake/libfake.so";
+ frame.map_elf_start_offset = 0;
+ frame.map_start = 0x3000;
+ frame.map_end = 0x6000;
+ frame.map_flags = PROT_READ;
+
+ EXPECT_EQ(" #01 pc 00001000 /fake/libfake.so (function+100)", unwinder.FormatFrame(frame));
+ unwinder.SetDisplayBuildID(true);
+ EXPECT_EQ(" #01 pc 00001000 /fake/libfake.so (function+100) (BuildId: 46414b45)",
+ unwinder.FormatFrame(frame));
}
static std::string ArchToString(ArchEnum arch) {
@@ -1167,7 +1199,7 @@
}
// Verify format frame code.
-TEST_F(UnwinderTest, format_frame) {
+TEST_F(UnwinderTest, format_frame_by_arch) {
std::vector<Regs*> reg_list;
RegsArm* arm = new RegsArm;
arm->set_pc(0x2300);
