Primiano Tucci | 2072d9b | 2019-04-11 12:33:46 +0100 | [diff] [blame] | 1 | #!/usr/bin/env python |
| 2 | |
| 3 | import re |
| 4 | import sys |
| 5 | import urllib2 |
| 6 | |
| 7 | syscalls = {} |
| 8 | |
| 9 | |
| 10 | def print_table(name): |
| 11 | tab = syscalls[name] |
| 12 | print '\n\n----------------- BEGIN OF %s -----------------' % name |
| 13 | for i in xrange(max(tab.keys()) + 1): |
| 14 | print '"%s", // %d' % (tab.get(i, ''), i) |
| 15 | print '----------------- END OF %s -----------------' % name |
| 16 | |
| 17 | |
| 18 | # Parses a .tbl file (new format). |
| 19 | def parse_tlb(data): |
| 20 | table = {} |
| 21 | for line in data.splitlines(): |
| 22 | line = line.strip() |
| 23 | if line.startswith('#') or not(line): |
| 24 | continue |
| 25 | parts = line.split() |
| 26 | table[int(parts[0])] = 'sys_' + parts[2] |
| 27 | return table |
| 28 | |
| 29 | |
| 30 | # Parses a #define __NR_xx 1234 old-style unistd.h header. |
| 31 | def parse_def(data): |
| 32 | table = {} |
| 33 | for line in data.splitlines(): |
| 34 | m = re.match(r'^#define\s+__NR\d*?_(\w+)\s+(\d+)\s*$', line.strip()) |
| 35 | if not m or m.group(1) == 'syscalls': # __NR_syscalls is just a sentinel. |
| 36 | continue |
| 37 | table[int(m.group(2))] = 'sys_' + m.group(1) |
| 38 | return table |
| 39 | |
| 40 | |
| 41 | def Main(): |
| 42 | KSRC = 'https://raw.githubusercontent.com/torvalds/linux/v4.20/' |
| 43 | |
| 44 | response = urllib2.urlopen(KSRC + 'arch/x86/entry/syscalls/syscall_64.tbl') |
| 45 | syscalls['x86_64'] = parse_tlb(response.read()) |
| 46 | |
| 47 | response = urllib2.urlopen(KSRC + 'arch/arm/tools/syscall.tbl') |
| 48 | syscalls['armeabi'] = parse_tlb(response.read()) |
| 49 | |
| 50 | response = urllib2.urlopen(KSRC + 'arch/arm64/include/asm/unistd32.h') |
| 51 | syscalls['aarch32'] = parse_def(response.read()) |
| 52 | |
| 53 | # From: |
| 54 | # arch/arm64/include/asm/unistd.h |
| 55 | # -> arch/arm64/include/uapi/asm/unistd.h |
| 56 | # -> include/uapi/asm-generic/unistd.h |
| 57 | response = urllib2.urlopen(KSRC + 'include/uapi/asm-generic/unistd.h') |
| 58 | syscalls['aarch64'] = parse_def(response.read()) |
| 59 | |
| 60 | print_table('x86_64') |
| 61 | print_table('aarch64') |
| 62 | print_table('armeabi') |
| 63 | print_table('aarch32') |
| 64 | |
| 65 | |
| 66 | if __name__ == '__main__': |
| 67 | sys.exit(Main()) |