libc-top-half/musl/src/thread/mips/syscall_cp.s

   1 .set    noreorder
   2
   3 .global __cp_begin
   4 .hidden __cp_begin
   5 .type   __cp_begin,@function
   6 .global __cp_end
   7 .hidden __cp_end
   8 .type   __cp_end,@function
   9 .global __cp_cancel
  10 .hidden __cp_cancel
  11 .type   __cp_cancel,@function
  12 .hidden __cancel
  13 .global __syscall_cp_asm
  14 .hidden __syscall_cp_asm
  15 .type   __syscall_cp_asm,@function
  16 __syscall_cp_asm:
  17         subu    $sp, $sp, 32
  18 __cp_begin:
  19         lw      $4, 0($4)
  20         bne     $4, $0, __cp_cancel
  21         move    $2, $5
  22         move    $4, $6
  23         move    $5, $7
  24         lw      $6, 48($sp)
  25         lw      $7, 52($sp)
  26         lw      $8, 56($sp)
  27         lw      $9, 60($sp)
  28         lw      $10,64($sp)
  29         sw      $8, 16($sp)
  30         sw      $9, 20($sp)
  31         sw      $10,24($sp)
  32         sw      $2, 28($sp)
  33         lw      $2, 28($sp)
  34         syscall
  35 __cp_end:
  36         beq     $7, $0, 1f
  37         addu    $sp, $sp, 32
  38         subu    $2, $0, $2
  39 1:      jr      $ra
  40         nop
  41
  42 __cp_cancel:
  43         move    $2, $ra
  44         bal     1f
  45         addu    $sp, $sp, 32
  46         .gpword .
  47         .gpword __cancel
  48 1:      lw      $3, ($ra)
  49         subu    $3, $ra, $3
  50         lw      $25, 4($ra)
  51         addu    $25, $25, $3
  52         jr      $25
  53         move    $ra, $2