| Arnaud Patard | 0aac352 | 2010-01-08 08:40:01 -0500 | [diff] [blame^] | 1 | #!/usr/bin/awk -f |
| 2 | |
| 3 | # hack expression to generate arch/syscallent.h from <asm/unistd.h> |
| 4 | # It reads from stdin and writes to stdout |
| 5 | # It should work OK on i386,m68k,arm,ia64 |
| 6 | # It does NOT work in mips, s390 |
| 7 | # It is untested in other architectures |
| 8 | |
| 9 | BEGIN { |
| 10 | max=0; |
| 11 | FS="[ \t\n()+]+"; |
| 12 | } |
| 13 | |
| 14 | { |
| 15 | #debug |
| 16 | #printf("/%s/%s/%s/%s/\n", $1, $2, $3, $4); |
| 17 | if ($2 ~ /__NR_Linux/ && $3 ~ /4000/) { |
| 18 | syscall=1; |
| 19 | } |
| 20 | if ($2 ~ /__NR_Linux_syscalls/) { |
| 21 | syscall=0; |
| 22 | } |
| 23 | if (syscall && ($1 ~ /^#define$/) && ($2 ~ /^__NR_/)) { |
| 24 | SYSCALL[$4]=substr($2,6); |
| 25 | if ($4 > max) { |
| 26 | max=$4; |
| 27 | } |
| 28 | } |
| 29 | } |
| 30 | |
| 31 | END { |
| 32 | for(i=0; i<=max; i++) { |
| 33 | if (!SYSCALL[i]) { |
| 34 | SYSCALL[i] = i; |
| 35 | } |
| 36 | pad = 32 - length(SYSCALL[i]); |
| 37 | if (pad<1) { |
| 38 | pad=1; |
| 39 | } |
| 40 | printf("\t\"%s\",%*s/* %d */\n", SYSCALL[i], pad, "", i); |
| 41 | } |
| 42 | } |
| 43 | |