UNIX 6th Ed. - /usr/source/s4/execv.s

   1: / C library -- execv
   2: 
   3: / execv(file, argv);
   4: /
   5: / where argv is a vector argv[0] ... argv[x], 0
   6: / last vector element must be 0
   7: /
   8: / The _exectrap flags is used by the debugger and causes
   9: / a trace trap on the first instruction of the executed instruction
  10: / to give a chance to set breakpoints.
  11: 
  12: .globl  _execv, cerror
  13: .comm   __exectrap,2
  14: rtt     = 6
  15: 
  16: _execv:
  17:         mov     r5,-(sp)
  18:         mov     sp,r5
  19:         mov     4(r5),0f
  20:         mov     6(r5),0f+2
  21:         tst     __exectrap
  22:         beq     1f
  23:         mov     $170020,-(sp)   / t-bit
  24:         mov     $1f,-(sp)
  25:         rtt
  26: 1:
  27:         sys     0; 9f
  28:         jmp     cerror
  29: .data
  30: 9:
  31:         sys     exec; 0:..; ..

Defined functions

Defined variables