00902e9847
h8300's nm output have a lot of local symbols. ex) 00000000 N .Lframe0 00000013 N .LLST1 00000026 N .LLST2 00000039 N .LLST3 0000004c N .LLST4 Added new pattern " .L" to filter rule. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
45 lines
1.3 KiB
Bash
Executable File
45 lines
1.3 KiB
Bash
Executable File
#!/bin/sh -x
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# Based on the vmlinux file create the System.map file
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# System.map is used by module-init tools and some debugging
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# tools to retrieve the actual addresses of symbols in the kernel.
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#
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# Usage
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# mksysmap vmlinux System.map
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#####
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# Generate System.map (actual filename passed as second argument)
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# $NM produces the following output:
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# f0081e80 T alloc_vfsmnt
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# The second row specify the type of the symbol:
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# A = Absolute
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# B = Uninitialised data (.bss)
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# C = Common symbol
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# D = Initialised data
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# G = Initialised data for small objects
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# I = Indirect reference to another symbol
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# N = Debugging symbol
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# R = Read only
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# S = Uninitialised data for small objects
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# T = Text code symbol
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# U = Undefined symbol
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# V = Weak symbol
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# W = Weak symbol
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# Corresponding small letters are local symbols
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# For System.map filter away:
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# a - local absolute symbols
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# U - undefined global symbols
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# N - debugging symbols
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# w - local weak symbols
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# readprofile starts reading symbols when _stext is found, and
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# continue until it finds a symbol which is not either of 'T', 't',
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# 'W' or 'w'. __crc_ are 'A' and placed in the middle
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# so we just ignore them to let readprofile continue to work.
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# (At least sparc64 has __crc_ in the middle).
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$NM -n $1 | grep -v '\( [aNUw] \)\|\(__crc_\)\|\( \$[adt]\)\|\( .L\)' > $2
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