| [9] | 1 | /*
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| 2 | * mdb.h for mdb
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| 3 | */
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| 4 | #define MDBVERSION "2.6"
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| 5 | #define MDBBUILD 0
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| 6 |
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| 7 | #define MINIX_SYMBOLS 1
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| 8 | #define GNU_SYMBOLS 2
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| 9 |
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| 10 | /*
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| 11 | * Handle options here
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| 12 | */
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| 13 | #ifndef GNU_SUPPORT
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| 14 | #define GNU_SUPPORT 0
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| 15 | #endif
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| 16 |
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| 17 | #ifndef SYSCALLS_SUPPORT
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| 18 | #define SYSCALLS_SUPPORT 0
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| 19 | #endif
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| 20 |
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| 21 | #ifdef DEBUG
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| 22 | #undef DEBUG
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| 23 | #endif
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| 24 |
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| 25 | #ifdef NDEBUG
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| 26 | #undef DEBUG
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| 27 | #else
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| 28 | #define DEBUG 1
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| 29 | #endif
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| 30 |
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| 31 | #ifdef __i386
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| 32 | #define EXTRA_SYMBOLS GNU_SUPPORT
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| 33 | #else
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| 34 | #define EXTRA_SYMBOLS 0
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| 35 | #endif
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| 36 |
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| 37 |
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| 38 | #include <minix/config.h>
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| 39 | #include <ansi.h>
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| 40 | #include <sys/types.h>
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| 41 |
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| 42 | #include <minix/const.h>
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| 43 | #include <minix/type.h>
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| 44 |
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| 45 | #include <limits.h>
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| 46 | #include <errno.h>
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| 47 | #include <minix/ipc.h>
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| 48 | #include <timers.h>
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| 49 |
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| 50 | #undef printf /* defined as printk in <minix/const.h> */
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| 51 |
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| 52 | #if (CHIP == M68000)
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| 53 | #define __mc68000__ /* controls processor-dependent stuff */
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| 54 | #if (MACHINE == ATARI)
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| 55 | #define MINIX_ST /* controls system-dependent stuff */
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| 56 | #else
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| 57 | #error "only the MINIX_ST 1.5.x implementation works on 68K's"
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| 58 | #endif
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| 59 | #endif
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| 60 |
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| 61 | #if (CHIP == INTEL)
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| 62 | #if (MACHINE == IBM_PC)
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| 63 | #define MINIX_PC
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| 64 | #else
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| 65 | #error "only the MINIX_PC 1.5.x and later versions works on *86's"
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| 66 | #endif
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| 67 | #endif
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| 68 |
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| 69 | #ifdef MINIX_ST
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| 70 | #define BP_OFF ((long)&((struct proc *)0)->p_reg.a6)
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| 71 | #define PC_MEMBER(rp) ((rp)->p_reg.pc)
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| 72 | #define PC_OFF ((long)&((struct proc *)0)->p_reg.pc)
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| 73 | #define SP_MEMBER(rp) ((rp)->p_reg.sp)
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| 74 | #define PSW_MEMBER(rp) ((rp)->p_reg.psw)
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| 75 | #endif
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| 76 |
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| 77 | #ifdef MINIX_PC
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| 78 | #define BP_OFF ((long)&((struct proc *)0)->p_reg.fp)
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| 79 | #define PC_MEMBER(rp) ((rp)->p_reg.pc)
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| 80 | #define PC_OFF ((long)&((struct proc *)0)->p_reg.pc)
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| 81 | #endif
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| 82 |
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| 83 | #define ADDRSIZE _WORD_SIZE
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| 84 | #define BITSIZE(size) (8 * (size))
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| 85 | #define INTSIZE (sizeof(int)) /* not quite right for cross-debugger */
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| 86 | #define LONGSIZE (sizeof(long))
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| 87 | #define UCHAR(x) ((x) & 0xFF)
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| 88 | #define NOSEG (-1) /* no segment */
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| 89 |
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| 90 | /* use hardware codes for segments for simplest decoding */
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| 91 | #define CSEG 0x2E /* 8088 through 80386 */
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| 92 | #define DSEG 0x3E
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| 93 |
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| 94 | #if (CHIP == INTEL )
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| 95 | #ifdef __i86
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| 96 | #define N_REG16 2
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| 97 | #endif
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| 98 | #ifdef __i386
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| 99 | #define N_REG16 4 /* 16 bit registers at start of stackframe */
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| 100 | #endif
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| 101 | #ifndef N_REG16
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| 102 | #error "N_REG16 not defined"
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| 103 | #endif
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| 104 | #endif
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| 105 |
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| 106 | #if (CHIP == INTEL )
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| 107 | #define ADDA(l) ((u16_t) (l) == 0xC481)
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| 108 |
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| 109 | #ifdef __i386
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| 110 | #define ADDA_CNT(l) ((i32_t) (l))
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| 111 | #else
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| 112 | #define ADDA_CNT(l) ((i16_t) (l))
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| 113 | #endif
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| 114 |
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| 115 | #define ADDQ(l) ((u16_t) (l) == 0xC483)
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| 116 | #define ADDQ_CNT(l) (((((l) >> 16) + 128) & 0x000000FF) - 128)
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| 117 | #define BREAK(l) (0x000000CC | ((l) & 0xFFFFFF00))
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| 118 | #define BREAKPOINT_ADVANCE 1
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| 119 | #define INCSP2(l) ((u16_t) (l) == 0x4444)
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| 120 | #define POPBX2(l) ((u16_t) (l) == 0x5B5B)
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| 121 | #define POPBX(l) ( (l & 0xFF) == 0x5B)
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| 122 |
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| 123 | /* Added for ANSI CC */
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| 124 | #define POPCX2(l) ((u16_t) (l) == 0x5959)
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| 125 | #define POPCX(l) ( (l & 0xFF) == 0x59)
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| 126 |
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| 127 | #endif
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| 128 |
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| 129 | #ifdef __mc68000__
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| 130 | #define ADDA(l) ((int)((l) >> 16) == 0xDFFC)
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| 131 | #define ADDA_CNT(l) (l)
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| 132 | #define ADDQ(l) (((l >> 16) & 0xF13F) == 0x500F)
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| 133 | #define ADDQ_CNT(l) (((((l) >> 25) - 1) & 7) + 1)
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| 134 | #define BREAK(l) (0xA0000000 | ((l) & 0xFFFF))
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| 135 | #define BREAKPOINT_ADVANCE 0
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| 136 | #define BYTES_SWAPPED /* this assumes WORDS_SWAPPED too */
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| 137 | #define LEA(l) (((l) >> 16) == 0x4FEF)
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| 138 | #define LEA_DISP(l) ((long)( l & 0xFFFF))
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| 139 | #endif
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| 140 |
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| 141 | #define MASK(size) ((size) >= LONGSIZE ? -1L : (1L << BITSIZE(size)) - 1)
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| 142 |
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| 143 | #ifdef BYTES_SWAPPED
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| 144 | #define SHIFT(size) BITSIZE(LONGSIZE - (size))
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| 145 | #else
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| 146 | #define SHIFT(size) (0)
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| 147 | #endif
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| 148 |
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| 149 | #ifdef _MAIN_MDB
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| 150 | #undef EXTERN
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| 151 | #define EXTERN
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| 152 | #endif
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| 153 |
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| 154 | extern long lbuf[]; /* buffer for proc */
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| 155 |
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| 156 | EXTERN long st_addr; /* starting address of text */
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| 157 | EXTERN long et_addr; /* ending address of text */
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| 158 | EXTERN long sd_addr; /* starting address of data */
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| 159 | EXTERN long ed_addr; /* ending address of data */
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| 160 | EXTERN long end_addr; /* ending address of text/data */
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| 161 | EXTERN long sk_addr; /* starting address of stack */
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| 162 | EXTERN long sk_size; /* size of stack */
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| 163 | EXTERN int curpid; /* current pid of process/core */
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| 164 | EXTERN int corepid; /* pid of core file */
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| 165 | EXTERN int coreonly; /* core file only */
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| 166 | EXTERN int fileonly; /* file only */
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| 167 | EXTERN int cursig; /* current signal */
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| 168 | EXTERN int seg; /* segment */
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| 169 | EXTERN int is_separate; /* separate I & D */
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| 170 | EXTERN int paging; /* paging flag */
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| 171 | #ifdef DEBUG
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| 172 | EXTERN int debug; /* debug flag */
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| 173 | #endif
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| 174 | #if SYSCALLS_SUPPORT
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| 175 | EXTERN int syscalls; /* trace syscalls */
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| 176 | #endif
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| 177 |
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| 178 | #ifdef _MAIN_MDB
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| 179 | #undef EXTERN
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| 180 | #define EXTERN extern
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| 181 | #endif
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| 182 |
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