This is the mail archive of the
glibc-bugs@sourceware.org
mailing list for the glibc project.
[Bug libc/15407] Partial frame info in sysdeps/x86_64/start.S
- From: "hjl.tools at gmail dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Fri, 10 May 2013 17:22:50 +0000
- Subject: [Bug libc/15407] Partial frame info in sysdeps/x86_64/start.S
- Auto-submitted: auto-generated
- References: <bug-15407-131 at http dot sourceware dot org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=15407
--- Comment #21 from H.J. Lu <hjl.tools at gmail dot com> 2013-05-10 17:22:50 UTC ---
The normal x86-64 codes always have CFI and GDB doesn't need to worry
about zero BP. For codes without CFI, there are 3 cases:
1. _start. GDB can use BP
2. It does have BP. GDB can use BP.
3. It doesn't have BP. There is no-win for GDB.
It seems to me that it is OK for GDB to use BP if there
is no CFI.
--
Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are on the CC list for the bug.