Difference between revisions of "Debugging"
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85 call hardwaremain | 85 call hardwaremain | ||
(gdb) | (gdb) | ||
=== usefull tricks === | |||
Note that [https://git.kernel.org/cgit/utils/kernel/kgdb/agent-proxy.git/ agent-proxy] is capable of multiplexing GBD and the serial console. | |||
==== Howto ==== | |||
./agent-proxy 5550^5551 0 /dev/ttyUSB0,115200 | |||
telnet localhost 5550 | |||
$ gdb | |||
GNU gdb (GDB) 7.6.1 | |||
Copyright (C) 2013 Free Software Foundation, Inc. | |||
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> | |||
This is free software: you are free to change and redistribute it. | |||
There is NO WARRANTY, to the extent permitted by law. Type "show copying" | |||
and "show warranty" for details. | |||
This GDB was configured as "i686-pc-linux-gnu". | |||
For bug reporting instructions, please see: | |||
<http://www.gnu.org/software/gdb/bugs/>. | |||
(gdb) file ./build/cbfs/normal/coreboot_ram.debug | |||
Reading symbols from /home/gnutoo/x86/coreboot-X60/build/cbfs/normal/coreboot_ram.debug...done. | |||
(gdb) target remote localhost:5551 | |||
Remote debugging using localhost:5551 | |||
_text () at src/arch/x86/lib/c_start.S:89 | |||
89 call main | |||
(gdb) b set_boot_successful | |||
Breakpoint 1 at 0x10a7b3: file src/arch/x86/include/arch/io.h, line 63. | |||
(gdb) c | |||
Continuing. | |||
== Exceptions with GDB == | == Exceptions with GDB == | ||