90 lines
3.4 KiB
Plaintext
90 lines
3.4 KiB
Plaintext
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# Copyright (c)2011,2013 YAMAMOTO Takashi,
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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# a macro to dump kernel modules
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# printed addresses can be used for gdb add-symbol-file command.
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#
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# for example:
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#
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# % objdump -h puffs.kmod
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# :
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# :
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# :
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# Sections:
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# Idx Name Size VMA LMA File off Algn
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# 0 .text 0000c87c 0000000000000000 0000000000000000 00000040 2**2
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# CONTENTS, ALLOC, LOAD, RELOC, READONLY, CODE
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# :
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# :
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# :
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#
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#
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# (gdb) target kvm /dev/mem
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# #0 0xffffffff804f14d4 in mi_switch (l=0xffffffff80dfa020)
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# at /siro/nbsd/src/sys/kern/kern_synch.c:720
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# 720 prevlwp = cpu_switchto(l, newl, returning);
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# (gdb) modules module puffs 0xffffffff810c6000-0xffffffff810ffcd0
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# module wmimsi
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# module wmihp
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# module wmieeepc
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# :
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# :
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# :
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# (gdb) add-symbol-file /siro/nbsd/src/sys/modules/puffs/obj/puffs.kmod 0xffffffff810c6000+0x40
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# add symbol table from file "/siro/nbsd/src/sys/modules/puffs/obj/puffs.kmod" at
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# .text_addr = 0xffffffff810c6040
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# (y or n) y
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# Reading symbols from /siro/nbsd/src/sys/modules/puffs/obj/puffs.kmod...done.
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# (gdb) disas puffs_getvnode
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# Dump of assembler code for function puffs_getvnode:
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# 0xffffffff810c609a <+0>: push %rbp
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# 0xffffffff810c609b <+1>: rorb $0x45,-0x75(%rax)
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# 0xffffffff810c609f <+5>: callq 0xffffffffc9dce9ed
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# 0xffffffff810c60a4 <+10>: mov $0x810d28a0,%ecx
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# 0xffffffff810c60aa <+16>: mov $0x16,%edx
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# 0xffffffff810c60af <+21>: mov $0x1,%esi
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define modules
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set $h = module_list
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set $e = $h.tqh_first
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while ($e != 0)
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if ($e->mod_kobj != 0)
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printf "module %s\n\t text=0x%016lx/%u\n\t data=0x%016lx/%u\n\trodata=0x%016lx/%u\n", \
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$e->mod_info.mi_name, \
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$e->mod_kobj->ko_text_address, \
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$e->mod_kobj->ko_text_size, \
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$e->mod_kobj->ko_data_address, \
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$e->mod_kobj->ko_data_size, \
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$e->mod_kobj->ko_rodata_address, \
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$e->mod_kobj->ko_rodata_size
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else
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printf "module %s\n", \
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$e->mod_info.mi_name
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end
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set $e = $e->mod_chain.tqe_next
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end
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end
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