gen_veorun_static_symtable

#!/usr/bin/python

import subprocess
import sys

class VeoObjects(object):
    NM = '/opt/nec/ve/bin/nnm'

    def _load(self, objs):
        # addr type name
        nm = subprocess.Popen([self.NM] + objs, stdout = subprocess.PIPE)
        if sys.version_info[0] > 2:
             s = [s[2] for s in [l.rstrip().decode('utf-8').split() for l in nm.stdout] \
             if len(s) == 3 and \
                  s[1] in ['T', 'D', 'u', 'G', 'S', 'B', 'A', 'R', 'C']]
        else:
             s = [s[2] for s in [l.rstrip().split() for l in nm.stdout] \
             if len(s) == 3 and \
                  s[1] in ['T', 'D', 'u', 'G', 'S', 'B', 'A', 'R', 'C']]
        nm.wait()
        return s

    def __init__(self, objs):
        self._syms = self._load(objs)

    def _header(self):
        return '''\
#include <stdlib.h>
#include <string.h>
#include <stdint.h>

'''

    def _extern_symbols(self):
        return '\n'.join(["extern uint64_t " + sym + ';' \
                        for sym in self._syms]) + '\n'

    def _init_data(self):
        head = '''\
typedef struct {const char *n; void *v;} static_sym_t;

static_sym_t _veo_static_symtable[] = {
'''


        body = ''.join(['  { .n = "%s", .v = &%s},\n' \
                        % (s, s) for s in self._syms])

        foot = '''\
  { .n = 0, .v = 0},
};
'''
        return head + body + foot

    def src(self, f):
      f.write(self._header() + self._extern_symbols() + self._init_data())


def main(libs):
    VeoObjects(libs).src(sys.stdout)

if __name__ == '__main__':
    main(sys.argv[1:])