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      1 #!/usr/bin/awk -f
      2 # This file is part of ltrace.
      3 # Copyright (C) 2010 Arnaud Patard, Mandriva SA
      4 #
      5 # This program is free software; you can redistribute it and/or
      6 # modify it under the terms of the GNU General Public License as
      7 # published by the Free Software Foundation; either version 2 of the
      8 # License, or (at your option) any later version.
      9 #
     10 # This program is distributed in the hope that it will be useful, but
     11 # WITHOUT ANY WARRANTY; without even the implied warranty of
     12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13 # General Public License for more details.
     14 #
     15 # You should have received a copy of the GNU General Public License
     16 # along with this program; if not, write to the Free Software
     17 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
     18 # 02110-1301 USA
     19 
     20 # hack expression to generate arch/syscallent.h from <asm/unistd.h>
     21 # It reads from stdin and writes to stdout
     22 # It should work OK on i386,m68k,arm,ia64
     23 # It does NOT work in mips, s390
     24 # It is untested in other architectures
     25 
     26 BEGIN {
     27 	max=0;
     28 	FS="[ \t\n()+]+";
     29 }
     30 
     31 {
     32 	#debug
     33 	#printf("/%s/%s/%s/%s/\n", $1, $2, $3, $4);
     34 	if ($2 ~ /__NR_Linux/ && $3 ~ /4000/) {
     35 		syscall=1;
     36 	}
     37 	if ($2 ~ /__NR_Linux_syscalls/) {
     38 		syscall=0;
     39 	}
     40 	if (syscall && ($1 ~ /^#define$/) && ($2 ~ /^__NR_/)) {
     41 			SYSCALL[$4]=substr($2,6);
     42 			if ($4 > max) {
     43 				max=$4;
     44 			}
     45 	}
     46 }
     47 
     48 END {
     49 	for(i=0; i<=max; i++) {
     50 		if (!SYSCALL[i]) {
     51 			SYSCALL[i] = i;
     52 		}
     53 		pad = 32 - length(SYSCALL[i]);
     54 		if (pad<1) {
     55 			pad=1;
     56 		}
     57 		printf("\t\"%s\",%*s/* %d */\n", SYSCALL[i], pad, "", i);
     58 	}
     59 }
     60 
     61