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File: [cvs.NetBSD.org] / src / sys / gdbscripts / module (download)

Revision 1.2, Wed Mar 6 11:26:22 2013 UTC (7 years, 11 months ago) by yamt
Branch: MAIN
CVS Tags: yamt-pagecache-base9, tls-maxphys-base-20171202, tls-maxphys-base, tls-earlyentropy-base, tls-earlyentropy, rmind-smpnet-nbase, rmind-smpnet-base, rmind-smpnet, riastradh-xf86-video-intel-2-7-1-pre-2-21-15, riastradh-drm2-base3, riastradh-drm2-base2, riastradh-drm2-base1, riastradh-drm2-base, riastradh-drm2, prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2, phil-wifi-base, phil-wifi-20200421, phil-wifi-20200411, phil-wifi-20200406, phil-wifi-20191119, phil-wifi-20190609, phil-wifi, pgoyette-localcount-base, pgoyette-localcount-20170426, pgoyette-localcount-20170320, pgoyette-localcount-20170107, pgoyette-localcount-20161104, pgoyette-localcount-20160806, pgoyette-localcount-20160726, pgoyette-localcount, pgoyette-compat-merge-20190127, pgoyette-compat-base, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, pgoyette-compat, perseant-stdc-iso10646-base, perseant-stdc-iso10646, nick-nhusb-base-20170825, nick-nhusb-base-20170204, nick-nhusb-base-20161204, nick-nhusb-base-20161004, nick-nhusb-base-20160907, nick-nhusb-base-20160529, nick-nhusb-base-20160422, nick-nhusb-base-20160319, nick-nhusb-base-20151226, nick-nhusb-base-20150921, nick-nhusb-base-20150606, nick-nhusb-base-20150406, nick-nhusb-base, nick-nhusb, netbsd-9-base, netbsd-9-1-RELEASE, netbsd-9-0-RELEASE, netbsd-9-0-RC2, netbsd-9-0-RC1, netbsd-9, netbsd-8-base, netbsd-8-2-RELEASE, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-8, netbsd-7-nhusb-base-20170116, netbsd-7-nhusb-base, netbsd-7-nhusb, netbsd-7-base, netbsd-7-2-RELEASE, netbsd-7-1-RELEASE, netbsd-7-1-RC2, netbsd-7-1-RC1, netbsd-7-1-2-RELEASE, netbsd-7-1-1-RELEASE, netbsd-7-1, netbsd-7-0-RELEASE, netbsd-7-0-RC3, netbsd-7-0-RC2, netbsd-7-0-RC1, netbsd-7-0-2-RELEASE, netbsd-7-0-1-RELEASE, netbsd-7-0, netbsd-7, matt-nb8-mediatek-base, matt-nb8-mediatek, localcount-20160914, khorben-n900, jdolecek-ncq-base, jdolecek-ncq, isaki-audio2-base, isaki-audio2, is-mlppp-base, is-mlppp, bouyer-xenpvh-base2, bouyer-xenpvh-base1, bouyer-xenpvh-base, bouyer-xenpvh, bouyer-socketcan-base1, bouyer-socketcan-base, bouyer-socketcan, agc-symver-base, agc-symver, ad-namecache-base3, ad-namecache-base2, ad-namecache-base1, ad-namecache-base, ad-namecache
Changes since 1.1: +71 -2 lines

update script
comment and example

# Copyright (c)2011,2013 YAMAMOTO Takashi,
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.

# a macro to dump kernel modules

# printed addresses can be used for gdb add-symbol-file command.
#
# for example:
#
# % objdump -h puffs.kmod
#     :
#     :
#     :
# Sections:
# Idx Name          Size      VMA               LMA               File off  Algn
#   0 .text         0000c87c  0000000000000000  0000000000000000  00000040  2**2
#                   CONTENTS, ALLOC, LOAD, RELOC, READONLY, CODE
#     :
#     :
#     :
# 
# 
# (gdb) target kvm /dev/mem
# #0  0xffffffff804f14d4 in mi_switch (l=0xffffffff80dfa020)
#     at /siro/nbsd/src/sys/kern/kern_synch.c:720
# 720                     prevlwp = cpu_switchto(l, newl, returning);
# (gdb) modules                                                                   module puffs    0xffffffff810c6000-0xffffffff810ffcd0
# module wmimsi
# module wmihp
# module wmieeepc
#     :
#     :
#     :
# (gdb) add-symbol-file /siro/nbsd/src/sys/modules/puffs/obj/puffs.kmod 0xffffffff810c6000+0x40
# add symbol table from file "/siro/nbsd/src/sys/modules/puffs/obj/puffs.kmod" at
#         .text_addr = 0xffffffff810c6040
# (y or n) y
# Reading symbols from /siro/nbsd/src/sys/modules/puffs/obj/puffs.kmod...done.
# (gdb) disas puffs_getvnode
# Dump of assembler code for function puffs_getvnode:   
#    0xffffffff810c609a <+0>:     push   %rbp
#    0xffffffff810c609b <+1>:     rorb   $0x45,-0x75(%rax)
#    0xffffffff810c609f <+5>:     callq  0xffffffffc9dce9ed
#    0xffffffff810c60a4 <+10>:    mov    $0x810d28a0,%ecx
#    0xffffffff810c60aa <+16>:    mov    $0x16,%edx
#    0xffffffff810c60af <+21>:    mov    $0x1,%esi

define modules
	set $h = module_list
	set $e = $h.tqh_first
	while ($e != 0)
		if ($e->mod_kobj != 0)
			printf "module %s\t0x%016lx-0x%016lx\n", \
			    $e->mod_info.mi_name, \
			    $e->mod_kobj->ko_address, \
			    $e->mod_kobj->ko_address + $e->mod_kobj->ko_size
		else
			printf "module %s\n", \
			    $e->mod_info.mi_name
		end
		set $e = $e->mod_chain.tqe_next
	end
end