linux 内核调试
1:
linux-2.6.15.5-kgdb-2.4.tar.bz2,linux-2.6.15.tar.gz
2:
patch -p1 < ../linux-2.6.15.5-kgdb-2.4/core-lite.patch
patch -p1 < ../linux-2.6.15.5-kgdb-2.4/i386-lite.patch
patch -p1 < ../linux-2.6.15.5-kgdb-2.4/8250.patch
patch -p1 < ../linux-2.6.15.5-kgdb-2.4/eth.patch
patch -p1 < ../linux-2.6.15.5-kgdb-2.4/i386.patch
patch -p1 < ../linux-2.6.15.5-kgdb-2.4/core.patch
patch -p1 < ../linux-2.6.15.5-kgdb-2.4/module.patch
patch -p1 < ../linux-2.6.15.5-kgdb-2.4/sysrq_bugfix.patch
3:
make mrproper
make menuconfig
Device Drivers --->SCSI device support ---><*> SCSI disk support
Device Drivers --->SCSI device support --->SCSI low-level drivers ---> <*> BusLogic SCSI support
Device Drivers ---> Fusion MPT device support ---><M> Fusion MPT (base + ScsiHost) drivers
Device Drivers ---> Fusion MPT device support ---><M> Fusion MPT misc device (ioctl) driver
Device Drivers ---> USB support ---><*> USB Mass Storage support
Device Drivers ---> Networking support --->Ethernet (10 or 100Mbit) ---> <*> AMD PCnet32 PCI
make bzImage
make modules
make modules_install
4:
kernel /vmlinuz-2.6.15.5-kgdb ro root=/dev/VolGroup00/LogVol00 kgdb8250=0,115200 kgdbwait
5:
cd /usr/src/linux
gdb ./vmlinux
GNU gdb Red Hat Linux (6.0post-0.20040223.17rh)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "i386-redhat-linux-gnu"...Using host libthread_db library "/lib/tls/libthread_db.so.1".
(gdb) set remotebaud 115200
(gdb) target remote /dev/ttyS0
Remote debugging using /dev/ttyS0
breakpoint () at kernel/kgdb.c:1212
1212 atomic_set(&kgdb_setting_breakpoint, 0);
warning: shared library handler failed to enable breakpoint