https://sourceware.org/bugzilla/show_bug.cgi?id=17385
Bug ID: 17385
Summary: addr2line returns spurious inlined-by line in pipeline
mode
Product: binutils
Version: 2.23
Status: NEW
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: tgrabiec at gmail dot com
When I provide symbols to addr2line via stdin and I use the following address
sequence (note that the second address is repeated):
$ cat > a
0x3c3d67
0x438b7d
0x438b7d
^D
$ addr2line -Cfpi -e loader.elf < a
void
sched::thread::do_wake_with<waiter::wake()::{lambda()#1}>(waiter::wake()::{lambda()#1},
unsigned int) at /data/tgrabiec/src/osv/include/osv/sched.hh:1119
(discriminator 1)
(inlined by) void
sched::thread::wake_with_from_mutex<waiter::wake()::{lambda()#1}>(waiter::wake()::{lambda()#1})
at /data/tgrabiec/src/osv/include/osv/sched.hh:1143 (discriminator 1)
(inlined by) waiter::wake() at
/data/tgrabiec/src/osv/include/osv/wait_record.hh:38 (discriminator 1)
(inlined by) lockfree::mutex::unlock() at
/data/tgrabiec/src/osv/core/lfmutex.cc:247 (discriminator 1)
pthread_mutex_unlock at /data/tgrabiec/src/osv/libc/pthread.cc:389
(inlined by) soreceive_generic at
/data/tgrabiec/src/osv/bsd/sys/kern/uipc_socket.cc:1328
pthread_mutex_unlock at /data/tgrabiec/src/osv/libc/pthread.cc:389
$ addr2line -v
GNU addr2line version 2.23.2
Notice how for the first occurrence of 0x438b7d I get:
pthread_mutex_unlock at /data/tgrabiec/src/osv/libc/pthread.cc:389
(inlined by) soreceive_generic at
And for the second I get:
pthread_mutex_unlock at /data/tgrabiec/src/osv/libc/pthread.cc:389
The second one is correct.
I can provide you with loader.elf if needed.
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