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debuggerd_fallback: print maps. 

Bug: http://b/63400743
Bug: http://b/65590288
Bug: 64709603 (presubmit balking at the line above)
Test: killall -ABRT media.codec
Change-Id: I58e47dcd8e99ad7a5945604c27876dd01259e501
Merged-In: I58e47dcd8e99ad7a5945604c27876dd01259e501
(cherry picked from commit fdc95c9670)
This commit is contained in:
Josh Gao 2017-09-13 15:33:39 -07:00
parent ece234f9ac
commit 0aeeda0024
1 changed files with 13 additions and 1 deletions
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14
debuggerd/libdebuggerd/tombstone.cpp
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@ -783,10 +783,22 @@ void engrave_tombstone_ucontext(int tombstone_fd, uintptr_t abort_msg_address, s
dump_abort_message(backtrace.get(), &log, abort_msg_address);
dump_registers(&log, ucontext);
// TODO: Dump registers from the ucontext.
if (backtrace->Unwind(0, ucontext)) {
dump_backtrace_and_stack(backtrace.get(), &log);
} else {
ALOGE("Unwind failed: pid = %d, tid = %d", pid, tid);
}
// TODO: Make this match the format of dump_all_maps above.
_LOG(&log, logtype::MAPS, "memory map:\n");
android::base::unique_fd maps_fd(open("/proc/self/maps", O_RDONLY | O_CLOEXEC));
if (maps_fd == -1) {
_LOG(&log, logtype::MAPS, " failed to open /proc/self/maps: %s", strerror(errno));
} else {
char buf[256];
ssize_t rc;
while ((rc = TEMP_FAILURE_RETRY(read(maps_fd.get(), buf, sizeof(buf)))) > 0) {
android::base::WriteFully(tombstone_fd, buf, rc);
}
}
}