VisionFive2 Linux kernel

^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700  1) #!/bin/sh -x
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700  2) # Based on the vmlinux file create the System.map file
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700  3) # System.map is used by module-init tools and some debugging
943ffb587cfdf (Adrian Bunk     2006-01-10 00:10:13 +0100  4) # tools to retrieve the actual addresses of symbols in the kernel.
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700  5) #
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700  6) # Usage
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700  7) # mksysmap vmlinux System.map
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700  8) 
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700  9) 
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 10) #####
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 11) # Generate System.map (actual filename passed as second argument)
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 12) 
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 13) # $NM produces the following output:
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 14) # f0081e80 T alloc_vfsmnt
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 15) 
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 16) #   The second row specify the type of the symbol:
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 17) #   A = Absolute
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 18) #   B = Uninitialised data (.bss)
4fec54203f7b2 (Masatake YAMATO 2012-07-14 01:38:57 +0900 19) #   C = Common symbol
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 20) #   D = Initialised data
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 21) #   G = Initialised data for small objects
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 22) #   I = Indirect reference to another symbol
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 23) #   N = Debugging symbol
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 24) #   R = Read only
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 25) #   S = Uninitialised data for small objects
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 26) #   T = Text code symbol
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 27) #   U = Undefined symbol
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 28) #   V = Weak symbol
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 29) #   W = Weak symbol
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 30) #   Corresponding small letters are local symbols
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 31) 
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 32) # For System.map filter away:
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 33) #   a - local absolute symbols
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 34) #   U - undefined global symbols
aab34ac858230 (Sam Ravnborg    2008-05-19 20:07:58 +0200 35) #   N - debugging symbols
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 36) #   w - local weak symbols
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 37) 
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 38) # readprofile starts reading symbols when _stext is found, and
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 39) # continue until it finds a symbol which is not either of 'T', 't',
2ea038917bbdd (Sam Ravnborg    2009-01-14 21:38:20 +0100 40) # 'W' or 'w'. __crc_ are 'A' and placed in the middle
2ea038917bbdd (Sam Ravnborg    2009-01-14 21:38:20 +0100 41) # so we just ignore them to let readprofile continue to work.
2ea038917bbdd (Sam Ravnborg    2009-01-14 21:38:20 +0100 42) # (At least sparc64 has __crc_ in the middle).
2ea038917bbdd (Sam Ravnborg    2009-01-14 21:38:20 +0100 43) 
72d24accf02ad (ashimida        2020-06-02 15:45:17 +0800 44) $NM -n $1 | grep -v '\( [aNUw] \)\|\(__crc_\)\|\( \$[adt]\)\|\( \.L\)' > $2