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 <ansi.h>
  40 #include <sys/types.h>
  41
  42 #include <minix/const.h>
  43 #include <minix/type.h>
  44
  45 #include <limits.h>
  46 #include <errno.h>
  47 #include <minix/ipc.h>
  48 #include <timers.h>
  49
  50 #undef printf           /* defined as printk in <minix/const.h> */
  51
  52 #if (CHIP == M68000)
  53 #define __mc68000__     /* controls processor-dependent stuff */
  54 #if (MACHINE == ATARI)
  55 #define MINIX_ST        /* controls system-dependent stuff */
  56 #else
  57 #error "only the MINIX_ST 1.5.x implementation works on 68K's"
  58 #endif
  59 #endif
  60
  61 #if (CHIP == INTEL)
  62 #if (MACHINE == IBM_PC)
  63 #define MINIX_PC
  64 #else
  65 #error "only the MINIX_PC 1.5.x and later versions works on *86's"
  66 #endif
  67 #endif
  68
  69 #ifdef MINIX_ST
  70 #define BP_OFF ((long)&((struct proc *)0)->p_reg.a6)
  71 #define PC_MEMBER(rp) ((rp)->p_reg.pc)
  72 #define PC_OFF ((long)&((struct proc *)0)->p_reg.pc)
  73 #define SP_MEMBER(rp) ((rp)->p_reg.sp)
  74 #define PSW_MEMBER(rp) ((rp)->p_reg.psw)
  75 #endif
  76
  77 #ifdef MINIX_PC
  78 #define BP_OFF ((long)&((struct proc *)0)->p_reg.fp)
  79 #define PC_MEMBER(rp) ((rp)->p_reg.pc)
  80 #define PC_OFF ((long)&((struct proc *)0)->p_reg.pc)
  81 #endif
  82
  83 #define ADDRSIZE        _WORD_SIZE
  84 #define BITSIZE(size)   (8 * (size))
  85 #define INTSIZE         (sizeof(int))   /* not quite right for cross-debugger */
  86 #define LONGSIZE        (sizeof(long))
  87 #define UCHAR(x)        ((x) & 0xFF)
  88 #define NOSEG           (-1)    /* no segment */
  89
  90 /* use hardware codes for segments for simplest decoding */
  91 #define CSEG            0x2E    /* 8088 through 80386 */
  92 #define DSEG            0x3E
  93
  94 #if (CHIP == INTEL )
  95 #ifdef __i86
  96 #define N_REG16 2
  97 #endif
  98 #ifdef __i386
  99 #define N_REG16 4  /* 16 bit registers at start of stackframe */
 100 #endif
 101 #ifndef N_REG16
 102 #error "N_REG16 not defined"
 103 #endif
 104 #endif
 105
 106 #if (CHIP == INTEL )
 107 #define ADDA(l) ((u16_t) (l) == 0xC481)
 108
 109 #ifdef __i386
 110 #define ADDA_CNT(l) ((i32_t) (l))
 111 #else
 112 #define ADDA_CNT(l) ((i16_t) (l))
 113 #endif
 114
 115 #define ADDQ(l) ((u16_t) (l) == 0xC483)
 116 #define ADDQ_CNT(l) (((((l) >> 16) + 128) & 0x000000FF) - 128)
 117 #define BREAK(l) (0x000000CC | ((l) & 0xFFFFFF00))
 118 #define BREAKPOINT_ADVANCE 1
 119 #define INCSP2(l) ((u16_t) (l) == 0x4444)
 120 #define POPBX2(l) ((u16_t) (l) == 0x5B5B)
 121 #define POPBX(l)  ( (l & 0xFF) == 0x5B)
 122
 123 /* Added for ANSI CC */
 124 #define POPCX2(l) ((u16_t) (l) == 0x5959)
 125 #define POPCX(l)  ( (l & 0xFF) == 0x59)
 126
 127 #endif
 128
 129 #ifdef __mc68000__
 130 #define ADDA(l) ((int)((l) >> 16) == 0xDFFC)
 131 #define ADDA_CNT(l) (l)
 132 #define ADDQ(l) (((l >> 16) & 0xF13F) == 0x500F)
 133 #define ADDQ_CNT(l) (((((l) >> 25) - 1) & 7) + 1)
 134 #define BREAK(l) (0xA0000000 | ((l) & 0xFFFF))
 135 #define BREAKPOINT_ADVANCE 0
 136 #define BYTES_SWAPPED   /* this assumes WORDS_SWAPPED too */
 137 #define LEA(l) (((l) >> 16) == 0x4FEF)
 138 #define LEA_DISP(l) ((long)( l & 0xFFFF))
 139 #endif
 140
 141 #define MASK(size) ((size) >= LONGSIZE ? -1L : (1L << BITSIZE(size)) - 1)
 142
 143 #ifdef BYTES_SWAPPED
 144 #define SHIFT(size) BITSIZE(LONGSIZE - (size))
 145 #else
 146 #define SHIFT(size) (0)
 147 #endif
 148
 149 #ifdef _MAIN_MDB
 150 #undef EXTERN
 151 #define EXTERN
 152 #endif
 153
 154 extern long lbuf[];             /* buffer for proc        */
 155
 156 EXTERN long st_addr;            /* starting address of text  */
 157 EXTERN long et_addr;            /* ending address of text    */
 158 EXTERN long sd_addr;            /* starting address of data  */
 159 EXTERN long ed_addr;            /* ending address of data  */
 160 EXTERN long end_addr;           /* ending address of text/data */
 161 EXTERN long sk_addr;            /* starting address of stack   */
 162 EXTERN long sk_size;            /* size of stack   */
 163 EXTERN int curpid;              /* current pid of process/core */
 164 EXTERN int corepid;             /* pid of core file */
 165 EXTERN int coreonly;            /* core file only   */
 166 EXTERN int fileonly;            /* file only        */
 167 EXTERN int cursig;              /* current signal   */
 168 EXTERN int seg;                 /* segment          */
 169 EXTERN int is_separate;         /* separate I & D   */
 170 EXTERN int paging;              /* paging flag      */
 171 #ifdef  DEBUG
 172 EXTERN int debug;               /* debug flag       */
 173 #endif
 174 #if     SYSCALLS_SUPPORT
 175 EXTERN int syscalls;            /* trace syscalls   */
 176 #endif
 177
 178 #ifdef _MAIN_MDB
 179 #undef EXTERN
 180 #define EXTERN extern
 181 #endif
 182