| 1 | awk < syscalls '\ |
| 2 | BEGIN { \ |
| 3 | sysent = "sysent"; |
| 4 | sysnames = "syscall.c"; |
| 5 | syshdr = "syscall.h"; |
| 6 | printf "/*\n * System call names.\n */\n" > sysnames; \ |
| 7 | printf "char *syscallnames[] = {\n" > sysnames; \ |
| 8 | printf "/*\n * System call numbers.\n */\n" > syshdr; \ |
| 9 | } \ |
| 10 | $1 ~ /^#[ ]*if/ { \ |
| 11 | print > sysent; \ |
| 12 | savesyscall = syscall; \ |
| 13 | next; |
| 14 | } \ |
| 15 | $1 ~ /^#[ ]*el/ { \ |
| 16 | print > sysent; \ |
| 17 | syscall = savesyscall; \ |
| 18 | next; \ |
| 19 | } \ |
| 20 | $1 ~ /^#/ { \ |
| 21 | print > sysent; \ |
| 22 | next; \ |
| 23 | } \ |
| 24 | syscall != $1 { \ |
| 25 | printf "syscall number out of sync at %d; line is:\n", syscall; \ |
| 26 | print; \ |
| 27 | exit 1; \ |
| 28 | } \ |
| 29 | { comment = $4; \ |
| 30 | for (i = 5; i <= NF; i++) \ |
| 31 | comment = comment " " $i; \ |
| 32 | if (NF < 5) \ |
| 33 | $5 = $4; \ |
| 34 | } \ |
| 35 | $2 == "STD" { \ |
| 36 | printf("\t%d, %s,\t\t\t/* %d = %s */\n", \ |
| 37 | $3, $4, syscall, $5) > sysent; \ |
| 38 | printf("\t\"%s\",\t\t\t/* %d = %s */\n", \ |
| 39 | $5, syscall, $5) > sysnames; \ |
| 40 | printf("#define\tSYS_%s\t%d\n", \ |
| 41 | $5, syscall) > syshdr; \ |
| 42 | } \ |
| 43 | $2 == "COMPAT" { \ |
| 44 | printf("\tcompat(%d, %s),\t\t/* %d = old %s */\n", \ |
| 45 | $3, $4, syscall, $5) > sysent; \ |
| 46 | printf("\t\"old %s\",\t\t/* %d = old %s */\n", \ |
| 47 | $5, syscall, $5) > sysnames; \ |
| 48 | printf("\t\t\t\t/* %d is old %s */\n", \ |
| 49 | syscall, comment) > syshdr; \ |
| 50 | } \ |
| 51 | $2 == "OBSOL" { \ |
| 52 | printf("\t0, nosys,\t\t\t/* %d = old %s */\n", \ |
| 53 | syscall, comment) > sysent; \ |
| 54 | printf("\t\"#%d\",\t\t\t/* %d = old %s */\n", \ |
| 55 | syscall, syscall, comment) > sysnames; \ |
| 56 | printf("\t\t\t\t/* %d is old %s */\n", \ |
| 57 | syscall, comment) > syshdr; \ |
| 58 | } \ |
| 59 | $2 == "UNIMPL" { \ |
| 60 | printf("\t0, nosys,\t\t\t/* %d = %s */\n", \ |
| 61 | syscall, comment) > sysent; \ |
| 62 | printf("\t\"#%d\",\t\t\t/* %d = %s */\n", \ |
| 63 | syscall, syscall, comment) > sysnames; \ |
| 64 | } \ |
| 65 | { syscall++ }\ |
| 66 | END { \ |
| 67 | printf("};\n") > sysnames; \ |
| 68 | } |
| 69 | ' |