CVSROOT: /cvs
Module name: src
Changes by: matt...@cvs.openbsd.org 2014/10/09 02:21:48
Modified files:
sys/conf : files
sys/ddb : db_elf.c
sys/lib/libsa : loadfile_elf.c
Log message:
ddb: add support for DWARF line number decoding
This allows ddb's "trace" command to include file and line numbers:
ddb{0}> trace
Debugger() at Debugger+0x9 [../../../../arch/amd64/amd64/db_interface.c:405]
ddb_sysctl() at ddb_sysctl+0x1b4 [../../../../ddb/db_usrreq.c:104]
sys___sysctl() at sys___sysctl+0x216 [../../../../kern/kern_sysctl.c:229]
syscall() at syscall+0x297 [../../../../sys/syscall_mi.h:84]
--- syscall (number 202) ---
end of kernel
end trace frame: 0x7f7ffffcf1d7, count: -4
acpi_pdirpa+0x4117aa:
For this to work, it requires using a new version of boot(8), and
booting a kernel with the .debug_line section present (e.g., building
with ``makeoptions DEBUG="-g"'' and then booting the bsd.gdb kernel
instead of the stripped bsd kernel).
Still a WIP, but no failure reports yet. Committing so further
development and testing can happen in tree.
prodding deraadt, guenther, mlarkin
ok mpi
