https://github.com/Jlalond updated
https://github.com/llvm/llvm-project/pull/110065
>From 0e31c0ad2b9db1ba9055bb4b984557100c0a9feb Mon Sep 17 00:00:00 2001
From: Jacob Lalonde <jalalo...@fb.com>
Date: Tue, 24 Sep 2024 17:42:49 -0700
Subject: [PATCH 1/6] Add the addr info when appropriate for NIX' crash signals
---
.../Process/elf-core/ProcessElfCore.cpp | 1 +
.../Process/elf-core/ThreadElfCore.cpp | 44 ++++++++++++++++---
.../Plugins/Process/elf-core/ThreadElfCore.h | 18 ++++++--
.../postmortem/elf-core/TestLinuxCore.py | 17 +++++++
.../elf-core/linux-x86_64-sigsev.yaml | 8 ++++
5 files changed, 80 insertions(+), 8 deletions(-)
create mode 100644
lldb/test/API/functionalities/postmortem/elf-core/linux-x86_64-sigsev.yaml
diff --git a/lldb/source/Plugins/Process/elf-core/ProcessElfCore.cpp
b/lldb/source/Plugins/Process/elf-core/ProcessElfCore.cpp
index 7955594bf5d94c..468a3b8934e741 100644
--- a/lldb/source/Plugins/Process/elf-core/ProcessElfCore.cpp
+++ b/lldb/source/Plugins/Process/elf-core/ProcessElfCore.cpp
@@ -931,6 +931,7 @@ llvm::Error
ProcessElfCore::parseLinuxNotes(llvm::ArrayRef<CoreNote> notes) {
return status.ToError();
thread_data.signo = siginfo.si_signo;
thread_data.code = siginfo.si_code;
+ thread_data.description = siginfo.GetDescription();
break;
}
case ELF::NT_FILE: {
diff --git a/lldb/source/Plugins/Process/elf-core/ThreadElfCore.cpp
b/lldb/source/Plugins/Process/elf-core/ThreadElfCore.cpp
index 52b96052bdbeca..3260caabd70ac6 100644
--- a/lldb/source/Plugins/Process/elf-core/ThreadElfCore.cpp
+++ b/lldb/source/Plugins/Process/elf-core/ThreadElfCore.cpp
@@ -6,9 +6,11 @@
//
//===----------------------------------------------------------------------===//
+#include "Plugins/Process/POSIX/CrashReason.h"
#include "lldb/Target/RegisterContext.h"
#include "lldb/Target/StopInfo.h"
#include "lldb/Target/Target.h"
+#include "lldb/Target/UnixSignals.h"
#include "lldb/Target/Unwind.h"
#include "lldb/Utility/DataExtractor.h"
#include "lldb/Utility/LLDBLog.h"
@@ -41,6 +43,7 @@
#include "RegisterContextPOSIXCore_x86_64.h"
#include "ThreadElfCore.h"
+#include "bits/types/siginfo_t.h"
#include <memory>
using namespace lldb;
@@ -49,8 +52,8 @@ using namespace lldb_private;
// Construct a Thread object with given data
ThreadElfCore::ThreadElfCore(Process &process, const ThreadData &td)
: Thread(process, td.tid), m_thread_name(td.name), m_thread_reg_ctx_sp(),
- m_signo(td.signo), m_code(td.code), m_gpregset_data(td.gpregset),
- m_notes(td.notes) {}
+ m_signo(td.signo), m_code(td.code), m_sig_description(td.description),
+ m_gpregset_data(td.gpregset), m_notes(td.notes) {}
ThreadElfCore::~ThreadElfCore() { DestroyThread(); }
@@ -241,7 +244,7 @@ bool ThreadElfCore::CalculateStopInfo() {
return false;
SetStopInfo(StopInfo::CreateStopReasonWithSignal(
- *this, m_signo, /*description=*/nullptr, m_code));
+ *this, m_signo, m_sig_description.c_str(), m_code));
return true;
}
@@ -543,7 +546,8 @@ size_t ELFLinuxSigInfo::GetSize(const
lldb_private::ArchSpec &arch) {
Status ELFLinuxSigInfo::Parse(const DataExtractor &data, const ArchSpec &arch)
{
Status error;
- if (GetSize(arch) > data.GetByteSize()) {
+ uint64_t size = GetSize(arch);
+ if (size > data.GetByteSize()) {
error = Status::FromErrorStringWithFormat(
"NT_SIGINFO size should be %zu, but the remaining bytes are: %" PRIu64,
GetSize(arch), data.GetByteSize());
@@ -556,6 +560,36 @@ Status ELFLinuxSigInfo::Parse(const DataExtractor &data,
const ArchSpec &arch) {
si_signo = data.GetU32(&offset);
si_errno = data.GetU32(&offset);
si_code = data.GetU32(&offset);
+ // 64b ELF have a 4 byte pad.
+ if (data.GetAddressByteSize() == 8)
+ offset += 4;
+ switch (si_signo) {
+ case SIGFPE:
+ case SIGILL:
+ case SIGSEGV:
+ case SIGBUS:
+ case SIGTRAP:
+ addr = (void*)data.GetAddress(&offset);
+ addr_lsb = data.GetU16(&offset);
+ return error;
+ default:
+ return error;
+ }
+}
- return error;
+std::string ELFLinuxSigInfo::GetDescription() {
+ switch (si_signo) {
+ case SIGFPE:
+ case SIGILL:
+ case SIGSEGV:
+ case SIGBUS:
+ case SIGTRAP:
+ return lldb_private::UnixSignals::CreateForHost()->GetSignalDescription(
+ si_signo, si_code,
+ reinterpret_cast<uintptr_t>(addr));
+ default:
+ return lldb_private::UnixSignals::CreateForHost()->GetSignalDescription(
+ si_signo, si_code
+ );
+ }
}
diff --git a/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h
b/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h
index 3fa0b8b0eedb0b..0dc21a10ded5e5 100644
--- a/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h
+++ b/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h
@@ -75,16 +75,25 @@ struct ELFLinuxPrStatus {
static_assert(sizeof(ELFLinuxPrStatus) == 112,
"sizeof ELFLinuxPrStatus is not correct!");
+union ELFSigval {
+ int sival_int;
+ void *sival_ptr;
+};
+
struct ELFLinuxSigInfo {
- int32_t si_signo;
- int32_t si_code;
+ int32_t si_signo; // Order matters for the first 3.
int32_t si_errno;
+ int32_t si_code;
+ void *addr; /* faulting insn/memory ref. */
+ int32_t addr_lsb; /* Valid LSB of the reported address. */
ELFLinuxSigInfo();
lldb_private::Status Parse(const lldb_private::DataExtractor &data,
const lldb_private::ArchSpec &arch);
+ std::string GetDescription();
+
// Return the bytesize of the structure
// 64 bit - just sizeof
// 32 bit - hardcoded because we are reusing the struct, but some of the
@@ -93,7 +102,7 @@ struct ELFLinuxSigInfo {
static size_t GetSize(const lldb_private::ArchSpec &arch);
};
-static_assert(sizeof(ELFLinuxSigInfo) == 12,
+static_assert(sizeof(ELFLinuxSigInfo) == 32,
"sizeof ELFLinuxSigInfo is not correct!");
// PRPSINFO structure's size differs based on architecture.
@@ -144,7 +153,9 @@ struct ThreadData {
lldb::tid_t tid;
int signo = 0;
int code = 0;
+ void* sigaddr = nullptr;
int prstatus_sig = 0;
+ std::string description;
std::string name;
};
@@ -183,6 +194,7 @@ class ThreadElfCore : public lldb_private::Thread {
int m_signo;
int m_code;
+ std::string m_sig_description;
lldb_private::DataExtractor m_gpregset_data;
std::vector<lldb_private::CoreNote> m_notes;
diff --git a/lldb/test/API/functionalities/postmortem/elf-core/TestLinuxCore.py
b/lldb/test/API/functionalities/postmortem/elf-core/TestLinuxCore.py
index 7e8531c88bf34c..1f0dee1e86b682 100644
--- a/lldb/test/API/functionalities/postmortem/elf-core/TestLinuxCore.py
+++ b/lldb/test/API/functionalities/postmortem/elf-core/TestLinuxCore.py
@@ -10,6 +10,7 @@
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
+from fblldb import fbvscode
class LinuxCoreTestCase(TestBase):
@@ -833,6 +834,22 @@ def test_riscv64_regs_gpr_only(self):
substrs=["registers were unavailable"],
)
+ def test_sigsev_stopreason(self):
+ """
+ Test that the address is included in the stop reason for a SIGSEV
+ """
+ src = self.getSourcePath("linux-x64-sigsev.yaml")
+ obj_file = self.getBuildArtifact("sigsev.out")
+ fbvscode.set_trace()
+ self.yaml2obj(src, obj_file)
+ target = self.dbg.CreateTarget(None)
+ process = target.LoadCore(obj_file)
+ self.assertTrue(process, PROCESS_IS_VALID)
+ stop_reason = process.GetThreadAtIndex(0).GetStopDescription(128)
+ self.assertEqual(process.GetNumThreads(), 1)
+ self.assertIn("SIGSEGV: address not mapped to object (fault address:
0x1000)", stop_reason)
+
+
def test_get_core_file_api(self):
"""
Test SBProcess::GetCoreFile() API can successfully get the core file.
diff --git
a/lldb/test/API/functionalities/postmortem/elf-core/linux-x86_64-sigsev.yaml
b/lldb/test/API/functionalities/postmortem/elf-core/linux-x86_64-sigsev.yaml
new file mode 100644
index 00000000000000..2adf30a36918a2
--- /dev/null
+++ b/lldb/test/API/functionalities/postmortem/elf-core/linux-x86_64-sigsev.yaml
@@ -0,0 +1,8 @@
+--- !ELF
+FileHeader:
+ Class: ELFCLASS64
+ Data: ELFDATA2LSB
+ OSABI: ELFOSABI_FREEBSD
+ Type: ET_EXEC
+ Machine: EM_X86_64
+ Entry: 0xFFFFFFFF8037C000
>From 0bc394ca58248b595a832dd1567b1389d3e07824 Mon Sep 17 00:00:00 2001
From: Jacob Lalonde <jalalo...@fb.com>
Date: Wed, 25 Sep 2024 17:41:57 -0700
Subject: [PATCH 2/6] Drop test as we can't yamilize the pt_note content
---
.../postmortem/elf-core/TestLinuxCore.py | 17 -----------------
.../elf-core/linux-x86_64-sigsev.yaml | 8 --------
2 files changed, 25 deletions(-)
delete mode 100644
lldb/test/API/functionalities/postmortem/elf-core/linux-x86_64-sigsev.yaml
diff --git a/lldb/test/API/functionalities/postmortem/elf-core/TestLinuxCore.py
b/lldb/test/API/functionalities/postmortem/elf-core/TestLinuxCore.py
index 1f0dee1e86b682..7e8531c88bf34c 100644
--- a/lldb/test/API/functionalities/postmortem/elf-core/TestLinuxCore.py
+++ b/lldb/test/API/functionalities/postmortem/elf-core/TestLinuxCore.py
@@ -10,7 +10,6 @@
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
-from fblldb import fbvscode
class LinuxCoreTestCase(TestBase):
@@ -834,22 +833,6 @@ def test_riscv64_regs_gpr_only(self):
substrs=["registers were unavailable"],
)
- def test_sigsev_stopreason(self):
- """
- Test that the address is included in the stop reason for a SIGSEV
- """
- src = self.getSourcePath("linux-x64-sigsev.yaml")
- obj_file = self.getBuildArtifact("sigsev.out")
- fbvscode.set_trace()
- self.yaml2obj(src, obj_file)
- target = self.dbg.CreateTarget(None)
- process = target.LoadCore(obj_file)
- self.assertTrue(process, PROCESS_IS_VALID)
- stop_reason = process.GetThreadAtIndex(0).GetStopDescription(128)
- self.assertEqual(process.GetNumThreads(), 1)
- self.assertIn("SIGSEGV: address not mapped to object (fault address:
0x1000)", stop_reason)
-
-
def test_get_core_file_api(self):
"""
Test SBProcess::GetCoreFile() API can successfully get the core file.
diff --git
a/lldb/test/API/functionalities/postmortem/elf-core/linux-x86_64-sigsev.yaml
b/lldb/test/API/functionalities/postmortem/elf-core/linux-x86_64-sigsev.yaml
deleted file mode 100644
index 2adf30a36918a2..00000000000000
--- a/lldb/test/API/functionalities/postmortem/elf-core/linux-x86_64-sigsev.yaml
+++ /dev/null
@@ -1,8 +0,0 @@
---- !ELF
-FileHeader:
- Class: ELFCLASS64
- Data: ELFDATA2LSB
- OSABI: ELFOSABI_FREEBSD
- Type: ET_EXEC
- Machine: EM_X86_64
- Entry: 0xFFFFFFFF8037C000
>From 8f6eab35a41fb91b75f9046cec8f7d0773be9001 Mon Sep 17 00:00:00 2001
From: Jacob Lalonde <jalalo...@fb.com>
Date: Wed, 25 Sep 2024 17:42:38 -0700
Subject: [PATCH 3/6] Run GCF
---
.../Process/elf-core/ThreadElfCore.cpp | 44 +++++++++----------
.../Plugins/Process/elf-core/ThreadElfCore.h | 10 ++---
2 files changed, 25 insertions(+), 29 deletions(-)
diff --git a/lldb/source/Plugins/Process/elf-core/ThreadElfCore.cpp
b/lldb/source/Plugins/Process/elf-core/ThreadElfCore.cpp
index 3260caabd70ac6..e9ae5211c28a53 100644
--- a/lldb/source/Plugins/Process/elf-core/ThreadElfCore.cpp
+++ b/lldb/source/Plugins/Process/elf-core/ThreadElfCore.cpp
@@ -6,7 +6,6 @@
//
//===----------------------------------------------------------------------===//
-#include "Plugins/Process/POSIX/CrashReason.h"
#include "lldb/Target/RegisterContext.h"
#include "lldb/Target/StopInfo.h"
#include "lldb/Target/Target.h"
@@ -43,7 +42,6 @@
#include "RegisterContextPOSIXCore_x86_64.h"
#include "ThreadElfCore.h"
-#include "bits/types/siginfo_t.h"
#include <memory>
using namespace lldb;
@@ -564,32 +562,30 @@ Status ELFLinuxSigInfo::Parse(const DataExtractor &data,
const ArchSpec &arch) {
if (data.GetAddressByteSize() == 8)
offset += 4;
switch (si_signo) {
- case SIGFPE:
- case SIGILL:
- case SIGSEGV:
- case SIGBUS:
- case SIGTRAP:
- addr = (void*)data.GetAddress(&offset);
- addr_lsb = data.GetU16(&offset);
- return error;
- default:
- return error;
+ case SIGFPE:
+ case SIGILL:
+ case SIGSEGV:
+ case SIGBUS:
+ case SIGTRAP:
+ addr = (void *)data.GetAddress(&offset);
+ addr_lsb = data.GetU16(&offset);
+ return error;
+ default:
+ return error;
}
}
std::string ELFLinuxSigInfo::GetDescription() {
switch (si_signo) {
- case SIGFPE:
- case SIGILL:
- case SIGSEGV:
- case SIGBUS:
- case SIGTRAP:
- return lldb_private::UnixSignals::CreateForHost()->GetSignalDescription(
- si_signo, si_code,
- reinterpret_cast<uintptr_t>(addr));
- default:
- return lldb_private::UnixSignals::CreateForHost()->GetSignalDescription(
- si_signo, si_code
- );
+ case SIGFPE:
+ case SIGILL:
+ case SIGSEGV:
+ case SIGBUS:
+ case SIGTRAP:
+ return lldb_private::UnixSignals::CreateForHost()->GetSignalDescription(
+ si_signo, si_code, reinterpret_cast<uintptr_t>(addr));
+ default:
+ return lldb_private::UnixSignals::CreateForHost()->GetSignalDescription(
+ si_signo, si_code);
}
}
diff --git a/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h
b/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h
index 0dc21a10ded5e5..3c6c02f73efae8 100644
--- a/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h
+++ b/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h
@@ -75,16 +75,16 @@ struct ELFLinuxPrStatus {
static_assert(sizeof(ELFLinuxPrStatus) == 112,
"sizeof ELFLinuxPrStatus is not correct!");
-union ELFSigval {
- int sival_int;
- void *sival_ptr;
+union ELFSigval {
+ int sival_int;
+ void *sival_ptr;
};
struct ELFLinuxSigInfo {
int32_t si_signo; // Order matters for the first 3.
int32_t si_errno;
int32_t si_code;
- void *addr; /* faulting insn/memory ref. */
+ void *addr; /* faulting insn/memory ref. */
int32_t addr_lsb; /* Valid LSB of the reported address. */
ELFLinuxSigInfo();
@@ -153,7 +153,7 @@ struct ThreadData {
lldb::tid_t tid;
int signo = 0;
int code = 0;
- void* sigaddr = nullptr;
+ void *sigaddr = nullptr;
int prstatus_sig = 0;
std::string description;
std::string name;
>From d2934db6bf180c4e7bc52f55992aabe069a18249 Mon Sep 17 00:00:00 2001
From: Jacob Lalonde <jalalo...@fb.com>
Date: Wed, 25 Sep 2024 17:49:32 -0700
Subject: [PATCH 4/6] remove addr from threaddata
---
lldb/source/Plugins/Process/elf-core/ThreadElfCore.h | 1 -
1 file changed, 1 deletion(-)
diff --git a/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h
b/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h
index 3c6c02f73efae8..f2e4ad955b3de9 100644
--- a/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h
+++ b/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h
@@ -153,7 +153,6 @@ struct ThreadData {
lldb::tid_t tid;
int signo = 0;
int code = 0;
- void *sigaddr = nullptr;
int prstatus_sig = 0;
std::string description;
std::string name;
>From 562b560ed8e2bc8c984c49c0bbdc92000f5ea3bc Mon Sep 17 00:00:00 2001
From: Jacob Lalonde <jalalo...@fb.com>
Date: Tue, 1 Oct 2024 10:01:46 -0700
Subject: [PATCH 5/6] Refactor to not depend ont the SIG enums, and use
lldb::addr_t
---
.../Process/elf-core/ThreadElfCore.cpp | 35 +++++++++----------
.../Plugins/Process/elf-core/ThreadElfCore.h | 7 +---
2 files changed, 17 insertions(+), 25 deletions(-)
diff --git a/lldb/source/Plugins/Process/elf-core/ThreadElfCore.cpp
b/lldb/source/Plugins/Process/elf-core/ThreadElfCore.cpp
index e9ae5211c28a53..8da4d84127eb11 100644
--- a/lldb/source/Plugins/Process/elf-core/ThreadElfCore.cpp
+++ b/lldb/source/Plugins/Process/elf-core/ThreadElfCore.cpp
@@ -542,6 +542,14 @@ size_t ELFLinuxSigInfo::GetSize(const
lldb_private::ArchSpec &arch) {
}
}
+static bool IsSignalWithAddrValue(int signo) {
+ // SIGILL, SIGFPE, SIGSEGV, SIGBUS, SIGTRAP
+ // We can't use the enum here because it may not be available on windows or
+ // other platforms. We should make an LLDB platform agnostic enum for this
+ // in the future.
+ return signo == 8 || signo == 4 || signo == 11 || signo == 7 || signo == 5;
+}
+
Status ELFLinuxSigInfo::Parse(const DataExtractor &data, const ArchSpec &arch)
{
Status error;
uint64_t size = GetSize(arch);
@@ -561,31 +569,20 @@ Status ELFLinuxSigInfo::Parse(const DataExtractor &data,
const ArchSpec &arch) {
// 64b ELF have a 4 byte pad.
if (data.GetAddressByteSize() == 8)
offset += 4;
- switch (si_signo) {
- case SIGFPE:
- case SIGILL:
- case SIGSEGV:
- case SIGBUS:
- case SIGTRAP:
- addr = (void *)data.GetAddress(&offset);
+ if (IsSignalWithAddrValue(si_signo)) {
+ addr = data.GetAddress(&offset);
addr_lsb = data.GetU16(&offset);
- return error;
- default:
- return error;
}
+
+ return error;
}
std::string ELFLinuxSigInfo::GetDescription() {
- switch (si_signo) {
- case SIGFPE:
- case SIGILL:
- case SIGSEGV:
- case SIGBUS:
- case SIGTRAP:
+ if (IsSignalWithAddrValue(si_signo))
return lldb_private::UnixSignals::CreateForHost()->GetSignalDescription(
si_signo, si_code, reinterpret_cast<uintptr_t>(addr));
- default:
- return lldb_private::UnixSignals::CreateForHost()->GetSignalDescription(
+
+
+ return lldb_private::UnixSignals::CreateForHost()->GetSignalDescription(
si_signo, si_code);
- }
}
diff --git a/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h
b/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h
index f2e4ad955b3de9..f14fc45e7463a6 100644
--- a/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h
+++ b/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h
@@ -75,16 +75,11 @@ struct ELFLinuxPrStatus {
static_assert(sizeof(ELFLinuxPrStatus) == 112,
"sizeof ELFLinuxPrStatus is not correct!");
-union ELFSigval {
- int sival_int;
- void *sival_ptr;
-};
-
struct ELFLinuxSigInfo {
int32_t si_signo; // Order matters for the first 3.
int32_t si_errno;
int32_t si_code;
- void *addr; /* faulting insn/memory ref. */
+ lldb::addr_t addr; /* faulting insn/memory ref. */
int32_t addr_lsb; /* Valid LSB of the reported address. */
ELFLinuxSigInfo();
>From f173ea4f7a2cd3fbbb8621b74266063706806fd8 Mon Sep 17 00:00:00 2001
From: Jacob Lalonde <jalalo...@fb.com>
Date: Tue, 1 Oct 2024 13:18:19 -0700
Subject: [PATCH 6/6] Fix tests for the entire string and run GCF
---
lldb/source/Plugins/Process/elf-core/ThreadElfCore.cpp | 5 ++---
lldb/source/Plugins/Process/elf-core/ThreadElfCore.h | 4 ++--
.../mte_core_file/TestAArch64LinuxMTEMemoryTagCoreFile.py | 3 +--
.../TestAArch64LinuxNonAddressBitMemoryAccess.py | 2 +-
lldb/test/Shell/Register/Core/x86-32-linux-multithread.test | 2 +-
lldb/test/Shell/Register/Core/x86-64-linux-multithread.test | 2 +-
6 files changed, 8 insertions(+), 10 deletions(-)
diff --git a/lldb/source/Plugins/Process/elf-core/ThreadElfCore.cpp
b/lldb/source/Plugins/Process/elf-core/ThreadElfCore.cpp
index 8da4d84127eb11..9e669c54db1e5d 100644
--- a/lldb/source/Plugins/Process/elf-core/ThreadElfCore.cpp
+++ b/lldb/source/Plugins/Process/elf-core/ThreadElfCore.cpp
@@ -573,7 +573,7 @@ Status ELFLinuxSigInfo::Parse(const DataExtractor &data,
const ArchSpec &arch) {
addr = data.GetAddress(&offset);
addr_lsb = data.GetU16(&offset);
}
-
+
return error;
}
@@ -582,7 +582,6 @@ std::string ELFLinuxSigInfo::GetDescription() {
return lldb_private::UnixSignals::CreateForHost()->GetSignalDescription(
si_signo, si_code, reinterpret_cast<uintptr_t>(addr));
-
return lldb_private::UnixSignals::CreateForHost()->GetSignalDescription(
- si_signo, si_code);
+ si_signo, si_code);
}
diff --git a/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h
b/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h
index f14fc45e7463a6..3d7c93fd7f1a8a 100644
--- a/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h
+++ b/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h
@@ -79,8 +79,8 @@ struct ELFLinuxSigInfo {
int32_t si_signo; // Order matters for the first 3.
int32_t si_errno;
int32_t si_code;
- lldb::addr_t addr; /* faulting insn/memory ref. */
- int32_t addr_lsb; /* Valid LSB of the reported address. */
+ lldb::addr_t addr; /* faulting insn/memory ref. */
+ int32_t addr_lsb; /* Valid LSB of the reported address. */
ELFLinuxSigInfo();
diff --git
a/lldb/test/API/linux/aarch64/mte_core_file/TestAArch64LinuxMTEMemoryTagCoreFile.py
b/lldb/test/API/linux/aarch64/mte_core_file/TestAArch64LinuxMTEMemoryTagCoreFile.py
index 0667759a341b83..aaa467e7bbaf08 100644
---
a/lldb/test/API/linux/aarch64/mte_core_file/TestAArch64LinuxMTEMemoryTagCoreFile.py
+++
b/lldb/test/API/linux/aarch64/mte_core_file/TestAArch64LinuxMTEMemoryTagCoreFile.py
@@ -216,8 +216,7 @@ def test_mte_tag_fault_reason(self):
self.expect(
"bt",
substrs=[
- "* thread #1, name = 'a.out.mte', stop reason = signal
SIGSEGV: "
- "sync tag check fault"
+ "* thread #1, name = 'a.out.mte', stop reason = SIGSEGV: sync
tag check fault (fault address: 0xffff82c74010)"
],
)
diff --git
a/lldb/test/API/linux/aarch64/non_address_bit_memory_access/TestAArch64LinuxNonAddressBitMemoryAccess.py
b/lldb/test/API/linux/aarch64/non_address_bit_memory_access/TestAArch64LinuxNonAddressBitMemoryAccess.py
index d86070c37f98a3..f420da7a2d2742 100644
---
a/lldb/test/API/linux/aarch64/non_address_bit_memory_access/TestAArch64LinuxNonAddressBitMemoryAccess.py
+++
b/lldb/test/API/linux/aarch64/non_address_bit_memory_access/TestAArch64LinuxNonAddressBitMemoryAccess.py
@@ -199,7 +199,7 @@ def test_non_address_bit_memory_caching(self):
def test_non_address_bit_memory_corefile(self):
self.runCmd("target create --core corefile")
- self.expect("thread list", substrs=["stopped", "stop reason = signal
SIGSEGV"])
+ self.expect("thread list", substrs=["stopped", "stop reason = SIGSEGV:
address not mapped to object (fault address: 0x0)"])
# No caching (the program/corefile are the cache) and no writing
# to memory. So just check that tagged/untagged addresses read
diff --git a/lldb/test/Shell/Register/Core/x86-32-linux-multithread.test
b/lldb/test/Shell/Register/Core/x86-32-linux-multithread.test
index 62e5bb8ee32fd7..eb0cf8708263cb 100644
--- a/lldb/test/Shell/Register/Core/x86-32-linux-multithread.test
+++ b/lldb/test/Shell/Register/Core/x86-32-linux-multithread.test
@@ -1,7 +1,7 @@
# RUN: %lldb -b -s %s -c %p/Inputs/x86-32-linux-multithread.core | FileCheck %s
thread list
-# CHECK: * thread #1: tid = 330633, 0x080492d2, name = 'a.out', stop reason =
signal SIGSEGV
+# CHECK: * thread #1: tid = 330633, 0x080492d2, name = 'a.out', stop reason =
SIGSEGV: address not mapped to object (fault address: 0x0)
# CHECK-NEXT: thread #2: tid = 330634, 0x080492dd, stop reason = signal 0
# CHECK-NEXT: thread #3: tid = 330635, 0x080492dd, stop reason = signal 0
# CHECK-NEXT: thread #4: tid = 330632, 0xf7f59549, stop reason = signal 0
diff --git a/lldb/test/Shell/Register/Core/x86-64-linux-multithread.test
b/lldb/test/Shell/Register/Core/x86-64-linux-multithread.test
index ab28901cae9f20..a94a4de1c8080b 100644
--- a/lldb/test/Shell/Register/Core/x86-64-linux-multithread.test
+++ b/lldb/test/Shell/Register/Core/x86-64-linux-multithread.test
@@ -1,7 +1,7 @@
# RUN: %lldb -b -s %s -c %p/Inputs/x86-64-linux-multithread.core | FileCheck %s
thread list
-# CHECK: * thread #1: tid = 329384, 0x0000000000401262, name = 'a.out', stop
reason = signal SIGSEGV
+# CHECK: * thread #1: tid = 329384, 0x0000000000401262, name = 'a.out', stop
reason = SIGSEGV: address not mapped to object (fault address: 0x0)
# CHECK-NEXT: thread #2: tid = 329385, 0x000000000040126d, stop reason =
signal 0
# CHECK-NEXT: thread #3: tid = 329386, 0x000000000040126d, stop reason =
signal 0
# CHECK-NEXT: thread #4: tid = 329383, 0x00007fcf5582f762, stop reason =
signal 0
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