runtime/objc-auto-dump.h

   1 //
   2 //  objc-auto-dump.h
   3 //  objc
   4 //  The raw dump file format
   5 //  See objc-gdb.h for the primitive.
   6 //
   7 //  Created by Blaine Garst on 12/8/08.
   8 //  Copyright 2008 Apple, Inc. All rights reserved.
   9 //
  10 #ifndef _OBJC_AUTO_DUMP_H_
  11 #define _OBJC_AUTO_DUMP_H_
  12
  13 /*
  14  *  Raw file format definitions
  15  */
  16
  17 // must be unique in first letter...
  18 // RAW FORMAT
  19 #define HEADER      "dumpster"
  20 #define THREAD      't'
  21 #define LOCAL       'l'
  22 #define NODE        'n'
  23 #define REGISTER    'r'
  24 #define ROOT        'g'
  25 #define WEAK        'w'
  26 #define CLASS       'c'
  27 #define END         'e'
  28
  29 #define SixtyFour 1
  30 #define Little    2
  31
  32 /*
  33
  34 Raw format, not that anyone should really care.  Most programs should use the cooked file reader.
  35
  36 <rawfile := <header> <arch> <middle>* <end>
  37 <header> :=  'd' 'u' 'm' 'p' 's' 't' 'e' 'r'                    ; the HEADER string
  38 <arch>   :=  SixtyFour? + Little?                               ; architecture
  39 <middle> := <thread> | <root> | <node> | <weak> | <class>
  40 <thread> := <register> <stack> <local>*                         ; the triple
  41 <register>      := 'r' longLength [bytes]                       ; the register bank
  42 <stack>         := 't' longLength [bytes]                       ; the stack
  43 <local>         := 'l' [long]                                   ; a thread local node
  44 <root>          := 'g' longAddress longValue
  45 <node>          := 'n' longAddress longSize intLayout longRefcount longIsa?
  46 <weak>          := 'w' longAddress longValue
  47 <class>         := 'c' longAddress <name> <strongLayout> <weakLayout>
  48 <name>          := intLength [bytes]                            ; no null byte
  49 <strongLayout>  := intLength [bytes]                            ; including 0 byte at end
  50 <weakLayout>    := intLength [bytes]                            ; including 0 byte at end
  51 <end>           := 'e'
  52
  53  */
  54
  55 #endif