login/getlogin_r.s

   1         .text
   2         .p2align 4,,15
   3         .type   getlogin_r_fd0, @function
   4 getlogin_r_fd0:
   5         pushq   %r14
   6         pushq   %r13
   7         movl    $512, %edx
   8         pushq   %r12
   9         pushq   %rbp
  10         movq    %rdi, %r12
  11         pushq   %rbx
  12         xorl    %edi, %edi
  13         movq    %rsi, %r13
  14         subq    $1296, %rsp
  15         leaq    784(%rsp), %rbp
  16         movq    %rbp, %rsi
  17         call    __ttyname_r
  18         testl   %eax, %eax
  19         movl    %eax, %ebx
  20         je      .L12
  21 .L1:
  22         addq    $1296, %rsp
  23         movl    %ebx, %eax
  24         popq    %rbx
  25         popq    %rbp
  26         popq    %r12
  27         popq    %r13
  28         popq    %r14
  29         ret
  30         .p2align 4,,10
  31         .p2align 3
  32 .L12:
  33         leaq    5(%rbp), %rsi
  34         leaq    16(%rsp), %rbp
  35         movl    $32, %edx
  36         leaq    8(%rbp), %rdi
  37         call    strncpy
  38 #APP
  39 # 66 "../sysdeps/unix/getlogin_r.c" 1
  40         movl %fs:24,%eax
  41 # 0 "" 2
  42 #NO_APP
  43         testl   %eax, %eax
  44         movl    $1, %edx
  45         jne     .L3
  46 #APP
  47 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  48         cmpxchgl %edx, __libc_utmp_lock(%rip)
  49 # 0 "" 2
  50 #NO_APP
  51 .L4:
  52         call    __libc_setutent
  53         leaq    8(%rsp), %rdx
  54         leaq    400(%rsp), %rsi
  55         movq    %rbp, %rdi
  56         call    __libc_getutline_r
  57         testl   %eax, %eax
  58         movl    %eax, %ebx
  59         jns     .L5
  60         movq    __libc_errno@gottpoff(%rip), %rax
  61         movl    %fs:(%rax), %ebx
  62         movl    $2, %eax
  63         cmpl    $3, %ebx
  64         cmove   %eax, %ebx
  65 .L5:
  66         call    __libc_endutent
  67 #APP
  68 # 78 "../sysdeps/unix/getlogin_r.c" 1
  69         movl %fs:24,%eax
  70 # 0 "" 2
  71 #NO_APP
  72         testl   %eax, %eax
  73         jne     .L6
  74         subl    $1, __libc_utmp_lock(%rip)
  75 .L7:
  76         testl   %ebx, %ebx
  77         jne     .L1
  78         movq    8(%rsp), %rax
  79         movl    $32, %esi
  80         leaq    44(%rax), %rbp
  81         movq    %rbp, %rdi
  82         call    __strnlen
  83         movq    %rax, %r14
  84         leaq    1(%rax), %rax
  85         cmpq    %r13, %rax
  86         jbe     .L8
  87         movq    __libc_errno@gottpoff(%rip), %rax
  88         movl    $34, %ebx
  89         movl    $34, %fs:(%rax)
  90         jmp     .L1
  91         .p2align 4,,10
  92         .p2align 3
  93 .L8:
  94         movq    %r14, %rdx
  95         movq    %rbp, %rsi
  96         movq    %r12, %rdi
  97         call    memcpy@PLT
  98         movb    $0, (%r12,%r14)
  99         jmp     .L1
 100         .p2align 4,,10
 101         .p2align 3
 102 .L6:
 103         xorl    %eax, %eax
 104 #APP
 105 # 78 "../sysdeps/unix/getlogin_r.c" 1
 106         xchgl %eax, __libc_utmp_lock(%rip)
 107 # 0 "" 2
 108 #NO_APP
 109         cmpl    $1, %eax
 110         jle     .L7
 111         xorl    %r10d, %r10d
 112         movl    $1, %edx
 113         movl    $129, %esi
 114         leaq    __libc_utmp_lock(%rip), %rdi
 115         movl    $202, %eax
 116 #APP
 117 # 78 "../sysdeps/unix/getlogin_r.c" 1
 118         syscall
 119
 120 # 0 "" 2
 121 #NO_APP
 122         jmp     .L7
 123         .p2align 4,,10
 124         .p2align 3
 125 .L3:
 126         movl    %ebx, %eax
 127         lock cmpxchgl   %edx, __libc_utmp_lock(%rip)
 128         je      .L4
 129         leaq    __libc_utmp_lock(%rip), %rdi
 130         call    __lll_lock_wait_private
 131         jmp     .L4
 132         .size   getlogin_r_fd0, .-getlogin_r_fd0
 133         .section        .rodata.str1.1,"aMS",@progbits,1
 134 .LC0:
 135         .string "/proc/self/loginuid"
 136         .text
 137         .p2align 4,,15
 138         .globl  __getlogin_r_loginuid
 139         .hidden __getlogin_r_loginuid
 140         .type   __getlogin_r_loginuid, @function
 141 __getlogin_r_loginuid:
 142         pushq   %r15
 143         pushq   %r14
 144         xorl    %eax, %eax
 145         pushq   %r13
 146         pushq   %r12
 147         movq    %rsi, %r14
 148         pushq   %rbp
 149         pushq   %rbx
 150         xorl    %esi, %esi
 151         subq    $1144, %rsp
 152         movq    %rdi, 8(%rsp)
 153         leaq    .LC0(%rip), %rdi
 154         call    __open_nocancel
 155         cmpl    $-1, %eax
 156         je      .L18
 157         movl    %eax, %r12d
 158         leaq    36(%rsp), %rbp
 159         jmp     .L14
 160         .p2align 4,,10
 161         .p2align 3
 162 .L32:
 163         movq    __libc_errno@gottpoff(%rip), %rax
 164         cmpl    $4, %fs:(%rax)
 165         jne     .L31
 166 .L14:
 167         movl    $12, %edx
 168         movq    %rbp, %rsi
 169         movl    %r12d, %edi
 170         call    __read_nocancel
 171         cmpq    $-1, %rax
 172         movq    %rax, %r15
 173         je      .L32
 174         movl    %r12d, %edi
 175         call    __close_nocancel
 176         testq   %r15, %r15
 177         jle     .L18
 178         cmpq    $12, %r15
 179         je      .L18
 180         leaq    16(%rsp), %rsi
 181         movl    $10, %edx
 182         movq    %rbp, %rdi
 183         movb    $0, 36(%rsp,%r15)
 184         call    strtoul
 185         movq    16(%rsp), %rdx
 186         movl    %eax, %r12d
 187         cmpq    %rbp, %rdx
 188         je      .L18
 189         cmpb    $0, (%rdx)
 190         jne     .L18
 191         cmpl    $-1, %eax
 192         je      .L33
 193         leaq    96(%rsp), %rbp
 194         movq    $1024, 104(%rsp)
 195         movl    $1024, %ecx
 196         leaq    24(%rsp), %rbx
 197         leaq    48(%rsp), %r13
 198         leaq    16(%rbp), %rdx
 199         movq    %rdx, 96(%rsp)
 200         jmp     .L20
 201         .p2align 4,,10
 202         .p2align 3
 203 .L35:
 204         movq    104(%rsp), %rcx
 205         movq    96(%rsp), %rdx
 206 .L20:
 207         movq    %rbx, %r8
 208         movq    %r13, %rsi
 209         movl    %r12d, %edi
 210         call    __getpwuid_r
 211         cmpl    $34, %eax
 212         movl    %eax, %r15d
 213         jne     .L34
 214         movq    %rbp, %rdi
 215         call    __libc_scratch_buffer_grow
 216         testb   %al, %al
 217         jne     .L35
 218         movl    $12, %r15d
 219 .L21:
 220         movq    96(%rsp), %rdi
 221         addq    $16, %rbp
 222         cmpq    %rbp, %rdi
 223         je      .L13
 224         call    free@PLT
 225 .L13:
 226         addq    $1144, %rsp
 227         movl    %r15d, %eax
 228         popq    %rbx
 229         popq    %rbp
 230         popq    %r12
 231         popq    %r13
 232         popq    %r14
 233         popq    %r15
 234         ret
 235         .p2align 4,,10
 236         .p2align 3
 237 .L31:
 238         movl    %r12d, %edi
 239         call    __close_nocancel
 240         jmp     .L13
 241         .p2align 4,,10
 242         .p2align 3
 243 .L34:
 244         testl   %eax, %eax
 245         jne     .L26
 246         cmpq    $0, 24(%rsp)
 247         je      .L26
 248         movq    48(%rsp), %rbx
 249         movq    %rbx, %rdi
 250         call    strlen
 251         leaq    1(%rax), %rdx
 252         cmpq    %r14, %rdx
 253         jbe     .L23
 254         movq    __libc_errno@gottpoff(%rip), %rax
 255         movl    $34, %r15d
 256         movl    $34, %fs:(%rax)
 257         jmp     .L21
 258         .p2align 4,,10
 259         .p2align 3
 260 .L26:
 261         movl    $-1, %r15d
 262         jmp     .L21
 263         .p2align 4,,10
 264         .p2align 3
 265 .L33:
 266         movq    __libc_errno@gottpoff(%rip), %rax
 267         movl    $6, %r15d
 268         movl    $6, %fs:(%rax)
 269         jmp     .L13
 270 .L23:
 271         movq    8(%rsp), %rdi
 272         movq    %rbx, %rsi
 273         call    memcpy@PLT
 274         jmp     .L21
 275 .L18:
 276         movl    $-1, %r15d
 277         jmp     .L13
 278         .size   __getlogin_r_loginuid, .-__getlogin_r_loginuid
 279         .p2align 4,,15
 280         .globl  __getlogin_r
 281         .hidden __getlogin_r
 282         .type   __getlogin_r, @function
 283 __getlogin_r:
 284         pushq   %rbp
 285         pushq   %rbx
 286         movq    %rsi, %rbp
 287         movq    %rdi, %rbx
 288         subq    $8, %rsp
 289         call    __getlogin_r_loginuid
 290         testl   %eax, %eax
 291         js      .L39
 292         addq    $8, %rsp
 293         popq    %rbx
 294         popq    %rbp
 295         ret
 296         .p2align 4,,10
 297         .p2align 3
 298 .L39:
 299         addq    $8, %rsp
 300         movq    %rbp, %rsi
 301         movq    %rbx, %rdi
 302         popq    %rbx
 303         popq    %rbp
 304         jmp     getlogin_r_fd0
 305         .size   __getlogin_r, .-__getlogin_r
 306         .weak   getlogin_r
 307         .hidden getlogin_r
 308         .set    getlogin_r,__getlogin_r
 309         .hidden strlen
 310         .hidden __libc_scratch_buffer_grow
 311         .hidden __getpwuid_r
 312         .hidden strtoul
 313         .hidden __close_nocancel
 314         .hidden __read_nocancel
 315         .hidden __open_nocancel
 316         .hidden __lll_lock_wait_private
 317         .hidden __strnlen
 318         .hidden __libc_endutent
 319         .hidden __libc_getutline_r
 320         .hidden __libc_setutent
 321         .hidden __libc_utmp_lock
 322         .hidden strncpy
 323         .hidden __ttyname_r