UNIX 7th Ed. - /usr/src/libc/csu/fcrt0.s

   1: / C runtime startoff
   2: / with floating point interpreter
   3: 
   4: .globl  fptrap
   5: .globl  _exit
   6: .globl  _main
   7: .globl  _environ
   8: exit = 1.
   9: signal = 48.
  10: 
  11: start:
  12:         sys     signal; 4; fptrap
  13:         setd
  14:         mov     2(sp),r0
  15:         clr     -2(r0)
  16:         mov     sp,r0
  17:         sub     $4,sp
  18:         mov     4(sp),(sp)
  19:         tst     (r0)+
  20:         mov     r0,2(sp)
  21: 1:
  22:         tst     (r0)+
  23:         bne     1b
  24:         cmp     r0,*2(sp)
  25:         blo     1f
  26:         tst     -(r0)
  27: 1:
  28:         mov     r0,4(sp)
  29:         mov     r0,_environ
  30:         jsr     pc,_main
  31:         cmp     (sp)+,(sp)+
  32:         mov     r0,(sp)
  33:         jsr     pc,*$_exit
  34:         sys     exit
  35: .bss
  36: _environ:
  37:         .=.+2
  38: .data
  39:         .=.+2

Defined functions

Defined variables