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#!/usr/bin/awk -f
# hack expression to generate arch/syscallent.h from <asm/unistd.h>
# It reads from stdin and writes to stdout
# It should work OK on i386,m68k,arm,ia64
# It does NOT work in mips, s390
# It is untested in other architectures
BEGIN {
max=0;
FS="[ \t\n()+]+";
}
{
#debug
#printf("/%s/%s/%s/%s/\n", $1, $2, $3, $4);
if ($2 ~ /__NR_Linux/ && $3 ~ /4000/) {
syscall=1;
}
if ($2 ~ /__NR_Linux_syscalls/) {
syscall=0;
}
if (syscall && ($1 ~ /^#define$/) && ($2 ~ /^__NR_/)) {
SYSCALL[$4]=substr($2,6);
if ($4 > max) {
max=$4;
}
}
}
END {
for(i=0; i<=max; i++) {
if (!SYSCALL[i]) {
SYSCALL[i] = i;
}
pad = 32 - length(SYSCALL[i]);
if (pad<1) {
pad=1;
}
printf("\t\"%s\",%*s/* %d */\n", SYSCALL[i], pad, "", i);
}
}
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