aboutsummaryrefslogtreecommitdiff
path: root/src/client/linux
diff options
context:
space:
mode:
Diffstat (limited to 'src/client/linux')
-rw-r--r--src/client/linux/handler/exception_handler.cc9
-rw-r--r--src/client/linux/handler/exception_handler.h10
-rw-r--r--src/client/linux/minidump_writer/linux_core_dumper.cc4
-rw-r--r--src/client/linux/minidump_writer/linux_dumper.h6
-rw-r--r--src/client/linux/minidump_writer/linux_ptrace_dumper.cc18
-rw-r--r--src/client/linux/minidump_writer/minidump_writer.cc32
6 files changed, 68 insertions, 11 deletions
diff --git a/src/client/linux/handler/exception_handler.cc b/src/client/linux/handler/exception_handler.cc
index 58fbacbd..9d081ca8 100644
--- a/src/client/linux/handler/exception_handler.cc
+++ b/src/client/linux/handler/exception_handler.cc
@@ -398,8 +398,8 @@ bool ExceptionHandler::HandleSignal(int sig, siginfo_t* info, void* uc) {
CrashContext context;
memcpy(&context.siginfo, info, sizeof(siginfo_t));
memcpy(&context.context, uc, sizeof(struct ucontext));
-#if !defined(__ARM_EABI__) && !defined(__mips__)
- // FP state is not part of user ABI on ARM Linux.
+#if !defined(__ARM_EABI__) && !defined(__aarch64__) && !defined(__mips__)
+ // FP state is not part of user ABI on ARM or ARM64 Linux.
// In case of MIPS Linux FP state is already part of struct ucontext
// and 'float_state' is not a member of CrashContext.
struct ucontext *uc_ptr = (struct ucontext*)uc;
@@ -608,7 +608,7 @@ bool ExceptionHandler::WriteMinidump() {
}
#endif
-#if !defined(__ARM_EABI__) && !defined(__mips__)
+#if !defined(__ARM_EABI__) && !defined(__aarch64__) && !defined(__mips__)
// FPU state is not part of ARM EABI ucontext_t.
memcpy(&context.float_state, context.context.uc_mcontext.fpregs,
sizeof(context.float_state));
@@ -627,6 +627,9 @@ bool ExceptionHandler::WriteMinidump() {
#elif defined(__arm__)
context.siginfo.si_addr =
reinterpret_cast<void*>(context.context.uc_mcontext.arm_pc);
+#elif defined(__aarch64__)
+ context.siginfo.si_addr =
+ reinterpret_cast<void*>(context.context.uc_mcontext.pc);
#elif defined(__mips__)
context.siginfo.si_addr =
reinterpret_cast<void*>(context.context.uc_mcontext.pc);
diff --git a/src/client/linux/handler/exception_handler.h b/src/client/linux/handler/exception_handler.h
index b57f58d4..2e842d83 100644
--- a/src/client/linux/handler/exception_handler.h
+++ b/src/client/linux/handler/exception_handler.h
@@ -190,10 +190,10 @@ class ExceptionHandler {
siginfo_t siginfo;
pid_t tid; // the crashing thread.
struct ucontext context;
-#if !defined(__ARM_EABI__) && !defined(__mips__)
- // #ifdef this out because FP state is not part of user ABI for Linux ARM.
- // In case of MIPS Linux FP state is already part of struct ucontext
- // so 'float_state' is not required.
+#if !defined(__ARM_EABI__) && !defined(__aarch64__) && !defined(__mips__)
+ // #ifdef this out because FP state is not part of user ABI for Linux ARM
+ // or ARM64. In case of MIPS Linux FP state is already part of struct
+ // ucontext so 'float_state' is not required.
struct _libc_fpstate float_state;
#endif
};
@@ -259,7 +259,7 @@ class ExceptionHandler {
// We need to explicitly enable ptrace of parent processes on some
// kernels, but we need to know the PID of the cloned process before we
// can do this. We create a pipe which we can use to block the
- // cloned process after creating it, until we have explicitly enabled
+ // cloned process after creating it, until we have explicitly enabled
// ptrace. This is used to store the file descriptors for the pipe
int fdes[2];
diff --git a/src/client/linux/minidump_writer/linux_core_dumper.cc b/src/client/linux/minidump_writer/linux_core_dumper.cc
index f5b19d10..eb9e3fd0 100644
--- a/src/client/linux/minidump_writer/linux_core_dumper.cc
+++ b/src/client/linux/minidump_writer/linux_core_dumper.cc
@@ -99,8 +99,10 @@ bool LinuxCoreDumper::GetThreadInfoByIndex(size_t index, ThreadInfo* info) {
memcpy(&stack_pointer, &info->regs.rsp, sizeof(info->regs.rsp));
#elif defined(__ARM_EABI__)
memcpy(&stack_pointer, &info->regs.ARM_sp, sizeof(info->regs.ARM_sp));
+#elif defined(__aarch64__)
+ memcpy(&stack_pointer, &info->regs.sp, sizeof(info->regs.sp));
#elif defined(__mips__)
- stack_pointer =
+ stack_pointer =
reinterpret_cast<uint8_t*>(info->regs.regs[MD_CONTEXT_MIPS_REG_SP]);
#else
#error "This code hasn't been ported to your platform yet."
diff --git a/src/client/linux/minidump_writer/linux_dumper.h b/src/client/linux/minidump_writer/linux_dumper.h
index 2bb4cac7..335a2ce9 100644
--- a/src/client/linux/minidump_writer/linux_dumper.h
+++ b/src/client/linux/minidump_writer/linux_dumper.h
@@ -56,7 +56,7 @@ typedef typeof(((struct user*) 0)->u_debugreg[0]) debugreg_t;
// Typedef for our parsing of the auxv variables in /proc/pid/auxv.
#if defined(__i386) || defined(__ARM_EABI__) || defined(__mips__)
typedef Elf32_auxv_t elf_aux_entry;
-#elif defined(__x86_64)
+#elif defined(__x86_64) || defined(__aarch64__)
typedef Elf64_auxv_t elf_aux_entry;
#endif
@@ -88,6 +88,10 @@ struct ThreadInfo {
// Mimicking how strace does this(see syscall.c, search for GETREGS)
struct user_regs regs;
struct user_fpregs fpregs;
+#elif defined(__aarch64__)
+ // Use the structures defined in <asm/ptrace.h>
+ struct user_pt_regs regs;
+ struct user_fpsimd_state fpregs;
#elif defined(__mips__)
user_regs_struct regs;
user_fpregs_struct fpregs;
diff --git a/src/client/linux/minidump_writer/linux_ptrace_dumper.cc b/src/client/linux/minidump_writer/linux_ptrace_dumper.cc
index 8b96037e..5ab59c27 100644
--- a/src/client/linux/minidump_writer/linux_ptrace_dumper.cc
+++ b/src/client/linux/minidump_writer/linux_ptrace_dumper.cc
@@ -47,6 +47,7 @@
#include <stdlib.h>
#include <string.h>
#include <sys/ptrace.h>
+#include <sys/uio.h>
#include <sys/wait.h>
#if defined(__i386)
@@ -186,6 +187,20 @@ bool LinuxPtraceDumper::GetThreadInfoByIndex(size_t index, ThreadInfo* info) {
if (info->ppid == -1 || info->tgid == -1)
return false;
+#ifdef PTRACE_GETREGSET
+ struct iovec io;
+ io.iov_base = &info->regs;
+ io.iov_len = sizeof(info->regs);
+ if (sys_ptrace(PTRACE_GETREGSET, tid, (void*)NT_PRSTATUS, (void*)&io) == -1) {
+ return false;
+ }
+
+ io.iov_base = &info->fpregs;
+ io.iov_len = sizeof(info->fpregs);
+ if (sys_ptrace(PTRACE_GETREGSET, tid, (void*)NT_FPREGSET, (void*)&io) == -1) {
+ return false;
+ }
+#else
if (sys_ptrace(PTRACE_GETREGS, tid, NULL, &info->regs) == -1) {
return false;
}
@@ -193,6 +208,7 @@ bool LinuxPtraceDumper::GetThreadInfoByIndex(size_t index, ThreadInfo* info) {
if (sys_ptrace(PTRACE_GETFPREGS, tid, NULL, &info->fpregs) == -1) {
return false;
}
+#endif
#if defined(__i386)
#if !defined(bit_FXSAVE) // e.g. Clang
@@ -241,6 +257,8 @@ bool LinuxPtraceDumper::GetThreadInfoByIndex(size_t index, ThreadInfo* info) {
my_memcpy(&stack_pointer, &info->regs.rsp, sizeof(info->regs.rsp));
#elif defined(__ARM_EABI__)
my_memcpy(&stack_pointer, &info->regs.ARM_sp, sizeof(info->regs.ARM_sp));
+#elif defined(__aarch64__)
+ my_memcpy(&stack_pointer, &info->regs.sp, sizeof(info->regs.sp));
#elif defined(__mips__)
stack_pointer =
reinterpret_cast<uint8_t*>(info->regs.regs[MD_CONTEXT_MIPS_REG_SP]);
diff --git a/src/client/linux/minidump_writer/minidump_writer.cc b/src/client/linux/minidump_writer/minidump_writer.cc
index ee759274..50929f80 100644
--- a/src/client/linux/minidump_writer/minidump_writer.cc
+++ b/src/client/linux/minidump_writer/minidump_writer.cc
@@ -374,6 +374,19 @@ void CPUFillFromUContext(MDRawContextARM* out, const ucontext* uc,
my_memset(&out->float_save.extra, 0, sizeof(out->float_save.extra));
}
+#elif defined(__aarch64__)
+typedef MDRawContextARM64 RawContextCPU;
+
+void CPUFillFromThreadInfo(MDRawContextARM64* out,
+ const google_breakpad::ThreadInfo& info) {
+ // TODO(rmcilroy): Implement for arm64.
+}
+
+void CPUFillFromUContext(MDRawContextARM64* out, const ucontext* uc,
+ const struct _libc_fpstate* fpregs) {
+ // TODO(rmcilroy): Implement for arm64.
+}
+
#elif defined(__mips__)
typedef MDRawContextMIPS RawContextCPU;
@@ -470,7 +483,7 @@ class MinidumpWriter {
: fd_(minidump_fd),
path_(minidump_path),
ucontext_(context ? &context->context : NULL),
-#if !defined(__ARM_EABI__) && !defined(__mips__)
+#if !defined(__ARM_EABI__) && !defined(__mips__) && !defined(__aarch64__)
float_state_(context ? &context->float_state : NULL),
#else
// TODO: fix this after fixing ExceptionHandler
@@ -1271,6 +1284,18 @@ class MinidumpWriter {
uintptr_t GetInstructionPointer(const ThreadInfo& info) {
return info.regs.uregs[15];
}
+#elif defined(__aarch64__)
+ uintptr_t GetStackPointer() {
+ return ucontext_->uc_mcontext.sp;
+ }
+
+ uintptr_t GetInstructionPointer() {
+ return ucontext_->uc_mcontext.pc;
+ }
+
+ uintptr_t GetInstructionPointer(const ThreadInfo& info) {
+ return info.regs.pc;
+ }
#elif defined(__mips__)
uintptr_t GetStackPointer() {
return ucontext_->uc_mcontext.gregs[MD_CONTEXT_MIPS_REG_SP];
@@ -1581,6 +1606,11 @@ class MinidumpWriter {
return true;
}
+#elif defined(__aarch64__)
+ bool WriteCPUInformation(MDRawSystemInfo* sys_info) {
+ // TODO(rmcilroy): Implement for arm64.
+ return false;
+ }
#else
# error "Unsupported CPU"
#endif
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-19 10:12:02 +0000