Hi. I have patched the openwrt buildroot to build a cross-ksymoops. It seems I have an array of target and architectures I can choose from. ksymoops tells me they are:
$ staging_dir/toolchain-mipsel_gcc4.1.2/bin/mipsel-linux-uclibc-ksymoops -a '?'
ksymoops 2.4.11 on i686 2.6.27-6-generic. Options used
...
Architectures supported by your libbfd
mips
mips:3000
mips:3900
mips:4000
mips:4010
mips:4100
mips:4111
mips:4120
mips:4300
mips:4400
mips:4600
mips:4650
mips:5000
mips:5400
mips:5500
mips:6000
mips:7000
mips:8000
mips:9000
mips:10000
mips:12000
mips:16
mips:mips5
mips:isa32
mips:isa32r2
mips:isa64
mips:isa64r2
mips:sb1
Note that the above list comes from libbfd. I have to assume that your
other binutils libraries (libiberty, libopcodes) and binutils programs
(nm and objdump) are in sync with libbfd.
and
$ staging_dir/toolchain-mipsel_gcc4.1.2/bin/mipsel-linux-uclibc-ksymoops -t '?'
ksymoops 2.4.11 on i686 2.6.27-6-generic. Options used
...
Targets supported by your libbfd
elf32-tradlittlemips
elf32-tradbigmips
ecoff-littlemips
ecoff-bigmips
elf32-ntradlittlemips
elf64-tradlittlemips
elf32-ntradbigmips
elf64-tradbigmips
elf64-little
elf64-big
elf32-little
elf32-big
srec
symbolsrec
tekhex
binary
ihex
Note that the above list comes from libbfd. I have to assume that your
other binutils libraries (libiberty, libopcodes) and binutils programs
(nm and objdump) are in sync with libbfd.
Which should I choose? When I don't choose any I get:
$ PATH=$PATH:/usr/src/openwrt/staging_dir/toolchain-mipsel_gcc4.1.2/bin/ strace
-o /tmp/ksymoops.strace -f mipsel-linux-uclibc-ksymoops -K -v
../openwrt-11527/build_dir/linux-brcm47xx/linux-2.6.25.7/vmlinux -m
../openwrt-11527/build_dir/linux-brcm47xx/linux-2.6.25.7/System.map <
/tmp/foo.txt ksymoops 2.4.11 on i686 2.6.27-6-generic. Options used
-v ../openwrt-11527/build_dir/linux-brcm47xx/linux-2.6.25.7/vmlinux
(specified)
-K (specified)
-l /proc/modules (default)
-o /lib/modules/2.6.27-6-generic/ (default)
-m ../openwrt-11527/build_dir/linux-brcm47xx/linux-2.6.25.7/System.map
(specified)
No modules in ksyms, skipping objects
No ksyms, skipping lsmod
Data bus error, epc == 8011635c, ra == 8015dfe4
Cpu 0
$ 0 : 00000000 1000d800 81c52454 8015ddd4
$ 4 : c00003f8 81c52454 00000001 00000000
$ 8 : 80257f40 80250000 802a0000 802a0000
$12 : 802a0000 00000000 80298588 802985a8
$16 : 81c52400 81c52454 000003f8 00000002
$20 : c02bd000 00000007 c02e9090 00000001
$24 : 80ea1b78 000186a0
$28 : 80ea0000 80ea1cb8 80ef4d80 8015dfe4
Hi : 003d08db
Lo : c5476300
epc : 8011635c Not tainted
Using defaults from ksymoops -t elf32-little -a unknown
Cause : 0080001c
c02e9090 800c7294 00000003 00000002 00000007 00000000 00000001 00000000
00000000 028c3263 00000003 80ef4d80 81c52400 81c77400 00000001 80ef4e1c
81f1a584 00000001 00000000 80ea1e00 c0321d68 81c52454 c0321d84 81c7ac8c
c02bd000 0000001a c02e9090 c02e8be0 c01d0140 8015bfac 81c52454 800c7a6c
Call
Trace:[<c02fd094>][<800c7294>][<c01d0140>][<8015bfac>][<800c7a6c>][<8010457c>][<80138030>][<80137fd4>][<8020d7cc>][<801384c8>][<80136bf8>][<80104af0>][<80104348>][<80138350>][<80136d78>][<80104b50>][<80136a24>][<80137a98>][<80137a70>][<80105444>][<80138c18>][<80057af0>][<8006ecf8>][<c0263034>][<8006eec4>][<8004bff4>][<8003aed8>][<8006a800>][<8000b0d0>]
Code: 90820000 03e00008 304200ff <94820000> 03e00008 3042ffff 8c820000
03e00008 00000000
Error (Oops_bfd_perror): scan_arch for specified architecture File in wrong
format
Sorry, looks like your binutils cannot handle the specified architecture
>>RA; 8015dfe4 <ssb_pci_read16+58/7c>
>>$12; 802a0000 <swap_info+18c/88c>
>>$14; 80298588 <per_cpu__runqueues+30/410>
>>$15; 802985a8 <per_cpu__runqueues+50/410>
>>$31; 8015dfe4 <ssb_pci_read16+58/7c>
>>???; 8011635c <ioread16+0/c> <=====
Trace; c02fd094 <END_OF_CODE+40052754/????>
Trace; 800c7294 <sysfs_new_dirent+7c/128>
Trace; c01d0140 <END_OF_CODE+3ff25800/????>
Trace; 8015bfac <ssb_device_probe+44/7c>
Trace; 800c7a6c <sysfs_create_dir+3c/58>
Trace; 8010457c <kobject_get+20/34>
Trace; 80138030 <driver_probe_device+16c/288>
Trace; 80137fd4 <driver_probe_device+110/288>
Trace; 8020d7cc <klist_next+6c/a4>
Trace; 801384c8 <__driver_attach+178/2d8>
Trace; 80136bf8 <next_device+10/2c>
Trace; 80104af0 <kobject_add_varg+58/78>
Trace; 80104348 <kobject_init+58/9c>
Trace; 80138350 <__driver_attach+0/2d8>
Trace; 80136d78 <bus_for_each_dev+5c/a8>
Trace; 80104b50 <kobject_init_and_add+40/58>
Trace; 80136a24 <bus_get+28/3c>
Trace; 80137a98 <bus_add_driver+cc/2b4>
Trace; 80137a70 <bus_add_driver+a4/2b4>
Trace; 80105444 <kobject_uevent_env+3dc/42c>
Trace; 80138c18 <driver_register+80/128>
Trace; 80057af0 <free_hot_cold_page+18c/1e4>
Trace; 8006ecf8 <remove_vm_area+4c/78>
Trace; c0263034 <END_OF_CODE+3ffb86f4/????>
Trace; 8006eec4 <__vunmap+f8/12c>
Trace; 8004bff4 <sys_init_module+1420/15cc>
Trace; 8003aed8 <autoremove_wake_function+0/44>
Trace; 8006a800 <do_brk+174/2e8>
Trace; 8000b0d0 <stack_done+20/3c>
1 error issued. Results may not be reliable.
Thots?
b.
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