#!/usr/bin/env python
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import re
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import sys
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import urllib2
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syscalls = {}
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def print_table(name):
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tab = syscalls[name]
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print '\n\n----------------- BEGIN OF %s -----------------' % name
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for i in xrange(max(tab.keys()) + 1):
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print '"%s", // %d' % (tab.get(i, ''), i)
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print '----------------- END OF %s -----------------' % name
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# Parses a .tbl file (new format).
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def parse_tlb(data):
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table = {}
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for line in data.splitlines():
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line = line.strip()
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if line.startswith('#') or not(line):
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continue
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parts = line.split()
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table[int(parts[0])] = 'sys_' + parts[2]
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return table
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# Parses a #define __NR_xx 1234 old-style unistd.h header.
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def parse_def(data):
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table = {}
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for line in data.splitlines():
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m = re.match(r'^#define\s+__NR\d*?_(\w+)\s+(\d+)\s*$', line.strip())
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if not m or m.group(1) == 'syscalls': # __NR_syscalls is just a sentinel.
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continue
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table[int(m.group(2))] = 'sys_' + m.group(1)
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return table
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def Main():
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KSRC = 'https://raw.githubusercontent.com/torvalds/linux/v4.20/'
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response = urllib2.urlopen(KSRC + 'arch/x86/entry/syscalls/syscall_64.tbl')
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syscalls['x86_64'] = parse_tlb(response.read())
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response = urllib2.urlopen(KSRC + 'arch/arm/tools/syscall.tbl')
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syscalls['armeabi'] = parse_tlb(response.read())
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response = urllib2.urlopen(KSRC + 'arch/arm64/include/asm/unistd32.h')
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syscalls['aarch32'] = parse_def(response.read())
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# From:
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# arch/arm64/include/asm/unistd.h
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# -> arch/arm64/include/uapi/asm/unistd.h
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# -> include/uapi/asm-generic/unistd.h
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response = urllib2.urlopen(KSRC + 'include/uapi/asm-generic/unistd.h')
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syscalls['aarch64'] = parse_def(response.read())
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print_table('x86_64')
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print_table('aarch64')
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print_table('armeabi')
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print_table('aarch32')
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if __name__ == '__main__':
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sys.exit(Main())
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