commands/mdb/mdb.h

   1 /*
   2  * mdb.h for mdb
   3  */
   4 #define MDBVERSION      "2.6"
   5 #define MDBBUILD        0
   6
   7 #define MINIX_SYMBOLS   1
   8 #define GNU_SYMBOLS     2
   9
  10 /*
  11  * Handle options here
  12  */
  13 #ifndef GNU_SUPPORT
  14 #define GNU_SUPPORT             0
  15 #endif
  16
  17 #ifndef SYSCALLS_SUPPORT
  18 #define SYSCALLS_SUPPORT        0
  19 #endif
  20
  21 #ifdef DEBUG
  22 #undef DEBUG
  23 #endif
  24
  25 #ifdef  NDEBUG
  26 #undef  DEBUG
  27 #else
  28 #define DEBUG                   1
  29 #endif
  30
  31 #ifdef  __i386
  32 #define EXTRA_SYMBOLS           GNU_SUPPORT
  33 #else
  34 #define EXTRA_SYMBOLS           0
  35 #endif
  36
  37
  38 #include <minix/config.h>
  39 #include <sys/types.h>
  40
  41 #include <minix/const.h>
  42 #include <minix/type.h>
  43
  44 #include <limits.h>
  45 #include <errno.h>
  46 #include <minix/ipc.h>
  47 #include <timers.h>
  48
  49 #undef printf           /* defined as printk in <minix/const.h> */
  50
  51 #if defined(__i386__)
  52 #define MINIX_PC
  53 #else
  54 #error "Unsupported arch"
  55 #endif
  56
  57 #ifdef MINIX_ST
  58 #define BP_OFF ((long)&((struct proc *)0)->p_reg.a6)
  59 #define PC_MEMBER(rp) ((rp)->p_reg.pc)
  60 #define PC_OFF ((long)&((struct proc *)0)->p_reg.pc)
  61 #define SP_MEMBER(rp) ((rp)->p_reg.sp)
  62 #define PSW_MEMBER(rp) ((rp)->p_reg.psw)
  63 #endif
  64
  65 #ifdef MINIX_PC
  66 #define BP_OFF ((long)&((struct proc *)0)->p_reg.fp)
  67 #define PC_MEMBER(rp) ((rp)->p_reg.pc)
  68 #define PC_OFF ((long)&((struct proc *)0)->p_reg.pc)
  69 #endif
  70
  71 #define ADDRSIZE        (sizeof(void *))
  72 #define BITSIZE(size)   (8 * (size))
  73 #define INTSIZE         (sizeof(int))   /* not quite right for cross-debugger */
  74 #define LONGSIZE        (sizeof(long))
  75 #define UCHAR(x)        ((x) & 0xFF)
  76 #define NOSEG           (-1)    /* no segment */
  77
  78 /* use hardware codes for segments for simplest decoding */
  79 #define CSEG            0x2E    /* 8088 through 80386 */
  80 #define DSEG            0x3E
  81
  82 #if defined(__i386__)
  83 #define N_REG16 4  /* 16 bit registers at start of stackframe */
  84 #endif
  85
  86 #if defined(__i386__)
  87 #define ADDA(l) ((u16_t) (l) == 0xC481)
  88
  89 #ifdef __i386
  90 #define ADDA_CNT(l) ((i32_t) (l))
  91 #else
  92 #define ADDA_CNT(l) ((i16_t) (l))
  93 #endif
  94
  95 #define ADDQ(l) ((u16_t) (l) == 0xC483)
  96 #define ADDQ_CNT(l) (((((l) >> 16) + 128) & 0x000000FF) - 128)
  97 #define BREAK(l) (0x000000CC | ((l) & 0xFFFFFF00))
  98 #define BREAKPOINT_ADVANCE 1
  99 #define INCSP2(l) ((u16_t) (l) == 0x4444)
 100 #define POPBX2(l) ((u16_t) (l) == 0x5B5B)
 101 #define POPBX(l)  ( (l & 0xFF) == 0x5B)
 102
 103 /* Added for ANSI CC */
 104 #define POPCX2(l) ((u16_t) (l) == 0x5959)
 105 #define POPCX(l)  ( (l & 0xFF) == 0x59)
 106
 107 #endif
 108
 109 #ifdef __mc68000__
 110 #define ADDA(l) ((int)((l) >> 16) == 0xDFFC)
 111 #define ADDA_CNT(l) (l)
 112 #define ADDQ(l) (((l >> 16) & 0xF13F) == 0x500F)
 113 #define ADDQ_CNT(l) (((((l) >> 25) - 1) & 7) + 1)
 114 #define BREAK(l) (0xA0000000 | ((l) & 0xFFFF))
 115 #define BREAKPOINT_ADVANCE 0
 116 #define BYTES_SWAPPED   /* this assumes WORDS_SWAPPED too */
 117 #define LEA(l) (((l) >> 16) == 0x4FEF)
 118 #define LEA_DISP(l) ((long)( l & 0xFFFF))
 119 #endif
 120
 121 #define MASK(size) ((size) >= LONGSIZE ? -1L : (1L << BITSIZE(size)) - 1)
 122
 123 #ifdef BYTES_SWAPPED
 124 #define SHIFT(size) BITSIZE(LONGSIZE - (size))
 125 #else
 126 #define SHIFT(size) (0)
 127 #endif
 128
 129 #ifdef _MAIN_MDB
 130 #undef EXTERN
 131 #define EXTERN
 132 #endif
 133
 134 extern long lbuf[];             /* buffer for proc        */
 135
 136 EXTERN long st_addr;            /* starting address of text  */
 137 EXTERN long et_addr;            /* ending address of text    */
 138 EXTERN long sd_addr;            /* starting address of data  */
 139 EXTERN long ed_addr;            /* ending address of data  */
 140 EXTERN long end_addr;           /* ending address of text/data */
 141 EXTERN long sk_addr;            /* starting address of stack   */
 142 EXTERN long sk_size;            /* size of stack   */
 143 EXTERN int curpid;              /* current pid of process/core */
 144 EXTERN int corepid;             /* pid of core file */
 145 EXTERN int coreonly;            /* core file only   */
 146 EXTERN int fileonly;            /* file only        */
 147 EXTERN int cursig;              /* current signal   */
 148 EXTERN int seg;                 /* segment          */
 149 EXTERN int is_separate;         /* separate I & D   */
 150 EXTERN int paging;              /* paging flag      */
 151 #ifdef  DEBUG
 152 EXTERN int debug;               /* debug flag       */
 153 #endif
 154 #if     SYSCALLS_SUPPORT
 155 EXTERN int syscalls;            /* trace syscalls   */
 156 #endif
 157
 158 #ifdef _MAIN_MDB
 159 #undef EXTERN
 160 #define EXTERN extern
 161 #endif
 162