何回もソース読んだはずなのにすぐ忘れてしまう。 

08048000-08049000 r-xp 00000000 16:44 66267    /home/foo/a.out

08049000-0804a000 rw-p 00000000 16:44 66267    /home/foo/a.out

40000000-40016000 r-xp 00000000 16:42 442401   /lib/ld-2.2.4.so

40016000-40017000 rw-p 00015000 16:42 442401   /lib/ld-2.2.4.so

40017000-40019000 rw-p 00000000 00:00 0

40033000-40166000 r-xp 00000000 16:42 327696   /lib/i686/libc-2.2.4.so

40166000-4016b000 rw-p 00132000 16:42 327696   /lib/i686/libc-2.2.4.so

4016b000-4016f000 rw-p 00000000 00:00 0

bfffe000-c0000000 rwxp fffff000 00:00 0

-------- -------- -- - -------- ----- -----   --------------

 start    end      | |  file    device inode    file name

 addr     addr     | |  offset  major/  no

                   | |          minor

   rwxアクセス権  -+ |

   mmapの引数ね      |

                     |

     s: 共有      ---+

     p: ﾌﾟﾗｲﾍﾞｰﾄ




ソースの位置は linux/fs/proc/task_mmu.c より
80 static int show_map(struct seq_file *m, void *v)

81 {

82         struct vm_area_struct *map = v;

83         struct file *file = map->vm_file;

84         int flags = map->vm_flags;

85         unsigned long ino = 0;

86         dev_t dev = 0;

87         int len;

88 

89         if (file) {

90                 struct inode *inode = map->vm_file->f_dentry->d_inode;

91                 dev = inode->i_sb->s_dev;

92                 ino = inode->i_ino;

93         }

94 

95         seq_printf(m, "%08lx-%08lx %c%c%c%c %08lx %02x:%02x %lu %n",

96                         map->vm_start,

97                         map->vm_end,

98                         flags & VM_READ ? 'r' : '-',

99                         flags & VM_WRITE ? 'w' : '-',

100                         flags & VM_EXEC ? 'x' : '-',

101                         flags & VM_MAYSHARE ? 's' : 'p',

102                         map->vm_pgoff << PAGE_SHIFT,

103                         MAJOR(dev), MINOR(dev), ino, &len);

104 

105         if (map->vm_file) {

106                 len = 25 + sizeof(void*) * 6 - len;

107                 if (len < 1)

108                         len = 1;

109                 seq_printf(m, "%*c", len, ' ');

110                 seq_path(m, file->f_vfsmnt, file->f_dentry, "");

111         }

112         seq_putc(m, '\n');

113         return 0;

114 }