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-rw-r--r--debuggerd/arm64/machine.cpp97
1 files changed, 43 insertions, 54 deletions
diff --git a/debuggerd/arm64/machine.cpp b/debuggerd/arm64/machine.cpp
index 7159228..8b17d53 100644
--- a/debuggerd/arm64/machine.cpp
+++ b/debuggerd/arm64/machine.cpp
@@ -15,109 +15,98 @@
* limitations under the License.
*/
-#include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#include <stdio.h>
+#include <elf.h>
#include <errno.h>
+#include <inttypes.h>
+#include <string.h>
#include <sys/types.h>
#include <sys/ptrace.h>
#include <sys/user.h>
#include <sys/uio.h>
-#include <linux/elf.h>
#include "../utility.h"
#include "../machine.h"
-/* enable to dump memory pointed to by every register */
-#define DUMP_MEMORY_FOR_ALL_REGISTERS 1
-
-/*
- * If configured to do so, dump memory around *all* registers
- * for the crashing thread.
- */
-void dump_memory_and_code(log_t* log, pid_t tid, int scope_flags) {
+void dump_memory_and_code(log_t* log, pid_t tid) {
struct user_pt_regs regs;
struct iovec io;
io.iov_base = &regs;
io.iov_len = sizeof(regs);
if (ptrace(PTRACE_GETREGSET, tid, (void*)NT_PRSTATUS, &io) == -1) {
- _LOG(log, scope_flags, "%s: ptrace failed to get registers: %s\n",
+ _LOG(log, logtype::ERROR, "%s: ptrace failed to get registers: %s\n",
__func__, strerror(errno));
return;
}
- if (IS_AT_FAULT(scope_flags) && DUMP_MEMORY_FOR_ALL_REGISTERS) {
- for (int reg = 0; reg < 31; reg++) {
- uintptr_t addr = regs.regs[reg];
+ for (int reg = 0; reg < 31; reg++) {
+ uintptr_t addr = regs.regs[reg];
- /*
- * Don't bother if it looks like a small int or ~= null, or if
- * it's in the kernel area.
- */
- if (addr < 4096 || addr >= (1UL<<63)) {
- continue;
- }
-
- _LOG(log, scope_flags | SCOPE_SENSITIVE, "\nmemory near x%d:\n", reg);
- dump_memory(log, tid, addr, scope_flags | SCOPE_SENSITIVE);
+ /*
+ * Don't bother if it looks like a small int or ~= null, or if
+ * it's in the kernel area.
+ */
+ if (addr < 4096 || addr >= (1UL<<63)) {
+ continue;
}
+
+ _LOG(log, logtype::MEMORY, "\nmemory near x%d:\n", reg);
+ dump_memory(log, tid, addr);
}
- _LOG(log, scope_flags, "\ncode around pc:\n");
- dump_memory(log, tid, (uintptr_t)regs.pc, scope_flags);
+ _LOG(log, logtype::MEMORY, "\ncode around pc:\n");
+ dump_memory(log, tid, (uintptr_t)regs.pc);
if (regs.pc != regs.sp) {
- _LOG(log, scope_flags, "\ncode around sp:\n");
- dump_memory(log, tid, (uintptr_t)regs.sp, scope_flags);
+ _LOG(log, logtype::MEMORY, "\ncode around sp:\n");
+ dump_memory(log, tid, (uintptr_t)regs.sp);
}
}
-void dump_registers(log_t* log, pid_t tid, int scope_flags)
-{
+void dump_registers(log_t* log, pid_t tid) {
struct user_pt_regs r;
struct iovec io;
io.iov_base = &r;
io.iov_len = sizeof(r);
- bool only_in_tombstone = !IS_AT_FAULT(scope_flags);
-
if (ptrace(PTRACE_GETREGSET, tid, (void*) NT_PRSTATUS, (void*) &io) == -1) {
- _LOG(log, scope_flags, "ptrace error: %s\n", strerror(errno));
+ _LOG(log, logtype::ERROR, "ptrace error: %s\n", strerror(errno));
return;
}
for (int i = 0; i < 28; i += 4) {
- _LOG(log, scope_flags, " x%-2d %016lx x%-2d %016lx x%-2d %016lx x%-2d %016lx\n",
- i, (uint64_t)r.regs[i],
- i+1, (uint64_t)r.regs[i+1],
- i+2, (uint64_t)r.regs[i+2],
- i+3, (uint64_t)r.regs[i+3]);
+ _LOG(log, logtype::REGISTERS,
+ " x%-2d %016llx x%-2d %016llx x%-2d %016llx x%-2d %016llx\n",
+ i, r.regs[i],
+ i+1, r.regs[i+1],
+ i+2, r.regs[i+2],
+ i+3, r.regs[i+3]);
}
- _LOG(log, scope_flags, " x28 %016lx x29 %016lx x30 %016lx\n",
- (uint64_t)r.regs[28], (uint64_t)r.regs[29], (uint64_t)r.regs[30]);
-
- _LOG(log, scope_flags, " sp %016lx pc %016lx\n",
- (uint64_t)r.sp, (uint64_t)r.pc);
+ _LOG(log, logtype::REGISTERS, " x28 %016llx x29 %016llx x30 %016llx\n",
+ r.regs[28], r.regs[29], r.regs[30]);
+ _LOG(log, logtype::REGISTERS, " sp %016llx pc %016llx pstate %016llx\n",
+ r.sp, r.pc, r.pstate);
struct user_fpsimd_state f;
io.iov_base = &f;
io.iov_len = sizeof(f);
if (ptrace(PTRACE_GETREGSET, tid, (void*) NT_PRFPREG, (void*) &io) == -1) {
- _LOG(log, scope_flags, "ptrace error: %s\n", strerror(errno));
+ _LOG(log, logtype::ERROR, "ptrace error: %s\n", strerror(errno));
return;
}
- for (int i = 0; i < 32; i += 4) {
- _LOG(log, scope_flags, " v%-2d %016lx v%-2d %016lx v%-2d %016lx v%-2d %016lx\n",
- i, (uint64_t)f.vregs[i],
- i+1, (uint64_t)f.vregs[i+1],
- i+2, (uint64_t)f.vregs[i+2],
- i+3, (uint64_t)f.vregs[i+3]);
+ for (int i = 0; i < 32; i += 2) {
+ _LOG(log, logtype::FP_REGISTERS,
+ " v%-2d %016" PRIx64 "%016" PRIx64 " v%-2d %016" PRIx64 "%016" PRIx64 "\n",
+ i,
+ static_cast<uint64_t>(f.vregs[i] >> 64),
+ static_cast<uint64_t>(f.vregs[i]),
+ i+1,
+ static_cast<uint64_t>(f.vregs[i+1] >> 64),
+ static_cast<uint64_t>(f.vregs[i+1]));
}
+ _LOG(log, logtype::FP_REGISTERS, " fpsr %08x fpcr %08x\n", f.fpsr, f.fpcr);
}