[ac7d5ef0] | 1 | /* |
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| 2 | * print_dump |
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| 3 | * |
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| 4 | * $Id$ |
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| 5 | * |
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| 6 | * COPYRIGHT (c) 1994 by Division Incorporated |
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| 7 | * |
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| 8 | * To anyone who acknowledges that this file is provided "AS IS" |
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| 9 | * without any express or implied warranty: |
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| 10 | * permission to use, copy, modify, and distribute this file |
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| 11 | * for any purpose is hereby granted without fee, provided that |
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| 12 | * the above copyright notice and this notice appears in all |
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| 13 | * copies, and that the name of Division Incorporated not be |
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| 14 | * used in advertising or publicity pertaining to distribution |
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| 15 | * of the software without specific, written prior permission. |
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| 16 | * Division Incorporated makes no representations about the |
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| 17 | * suitability of this software for any purpose. |
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| 18 | */ |
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| 19 | |
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| 20 | #define GETOPTARGS "v" |
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| 21 | |
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| 22 | char *USAGE = "\ |
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| 23 | usage: print_dump [ -v ] \n\ |
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| 24 | -v -- verbose\n\ |
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| 25 | Reads HP simulator 'memdump' output of 'print_buffer' structure |
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| 26 | on stdin. Dumps it out in vanilla ASCII. |
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| 27 | "; |
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| 28 | |
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| 29 | #include <stdio.h> |
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| 30 | #include <fcntl.h> |
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| 31 | #include <ctype.h> |
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| 32 | #include <stdlib.h> |
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| 33 | #include <unistd.h> |
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| 34 | #include <string.h> |
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| 35 | #include <memory.h> |
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| 36 | #include <stdarg.h> |
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| 37 | |
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| 38 | #define Failed(x) (((int) (x)) == -1) |
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| 39 | #define TRUE 1 |
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| 40 | #define FALSE 0 |
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| 41 | #define STREQ(a,b) (strcmp(a,b) == 0) |
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| 42 | #define NUMELEMS(arr) (sizeof(arr) / sizeof(arr[0])) |
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| 43 | |
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| 44 | /* |
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| 45 | * Definitions for unsigned "ints"; especially for use in data structures |
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| 46 | * that will be shared among (potentially) different cpu's (we punt on |
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| 47 | * byte ordering problems tho) |
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| 48 | */ |
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| 49 | |
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| 50 | typedef unsigned char u8; |
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| 51 | typedef unsigned short u16; |
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| 52 | typedef unsigned int u32; |
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| 53 | |
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| 54 | typedef union uval { |
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| 55 | u8 uv_chars[4]; |
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| 56 | u16 uv_words[2]; |
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| 57 | u32 uv_long; |
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| 58 | void *uv_ptr[sizeof(long) / sizeof(void *)]; |
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| 59 | } uval_t; |
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| 60 | |
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| 61 | |
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| 62 | /* |
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| 63 | * vars controlled by command line options |
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| 64 | */ |
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| 65 | |
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| 66 | int verbose = FALSE; /* be verbose */ |
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| 67 | |
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| 68 | extern char *optarg; /* getopt(3) control vars */ |
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| 69 | extern int optind, opterr; |
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| 70 | extern int errno; |
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| 71 | |
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| 72 | char *progname; /* for error() */ |
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| 73 | |
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| 74 | void error(int errn, ...); |
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| 75 | |
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| 76 | #define ERR_ERRNO (1<<((sizeof(int) * 8) - 2)) /* hi bit; use 'errno' */ |
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| 77 | #define ERR_FATAL (ERR_ERRNO / 2) /* error is fatal; no return */ |
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| 78 | #define ERR_ABORT (ERR_ERRNO / 4) /* error is fatal; abort */ |
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| 79 | #define ERR_MASK (ERR_ERRNO | ERR_FATAL | ERR_ABORT) /* all */ |
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| 80 | |
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| 81 | int process(void); |
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| 82 | void prchar(unsigned int ch); |
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| 83 | |
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| 84 | |
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| 85 | int |
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| 86 | main(int argc, char **argv, char **env) |
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| 87 | { |
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| 88 | register int c; |
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| 89 | int showusage = FALSE; /* usage error? */ |
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| 90 | |
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| 91 | /* |
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| 92 | * figure out invocation leaf-name |
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| 93 | */ |
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| 94 | |
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| 95 | if ((progname = strrchr(argv[0], '/')) == (char *) NULL) |
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| 96 | progname = argv[0]; |
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| 97 | else |
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| 98 | progname++; |
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| 99 | |
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| 100 | argv[0] = progname; /* for getopt err reporting */ |
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| 101 | |
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| 102 | /* |
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| 103 | * Check options and arguments. |
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| 104 | */ |
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| 105 | |
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| 106 | opterr = 0; /* we'll report all errors */ |
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| 107 | while ((c = getopt(argc, argv, GETOPTARGS)) != EOF) |
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| 108 | switch (c) |
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| 109 | { |
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| 110 | case 'v': /* toggle verbose */ |
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| 111 | verbose = ! verbose; |
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| 112 | break; |
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| 113 | |
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| 114 | case '?': |
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| 115 | showusage = TRUE; |
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| 116 | } |
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| 117 | |
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| 118 | if (showusage) |
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| 119 | { |
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| 120 | (void) fprintf(stderr, "%s", USAGE); |
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| 121 | exit(1); |
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| 122 | } |
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| 123 | |
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| 124 | return process(); |
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| 125 | } |
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| 126 | |
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| 127 | |
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| 128 | /* |
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| 129 | * process(arg) |
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| 130 | * |
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| 131 | * Input looks like this |
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| 132 | * |
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| 133 | * Starting address: 00000001.480035a0 |
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| 134 | * ----------------------------------- |
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| 135 | |
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| 136 | +0000 / 0d0a0d0a 2a2a2a20 53454d20 54455354 202d2d20 4e4f4445 2032202a 2a2a0d0a |
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| 137 | +0020 / 73703a20 30783433 30303030 31300d0a 30783438 30613161 38383a20 676f7420 |
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| 138 | .... |
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| 139 | +0b40 / xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx |
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| 140 | |
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| 141 | * |
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| 142 | * The 'xxxxxxxxx' shows up if the page has not been allocated. |
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| 143 | */ |
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| 144 | |
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| 145 | int |
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| 146 | process(void) |
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| 147 | { |
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| 148 | uval_t b[8]; |
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| 149 | u32 ignore; |
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| 150 | char *p; |
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| 151 | int i; |
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| 152 | int failed_once; |
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| 153 | |
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| 154 | char line[1024]; |
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| 155 | |
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| 156 | #define PRINT_BUFFER_SIZE (16 * 1024) |
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| 157 | struct { |
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| 158 | int index; |
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| 159 | int size; |
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| 160 | u8 buffer[PRINT_BUFFER_SIZE]; |
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| 161 | } print_buffer; |
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| 162 | |
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| 163 | /* we stuff the data into print_buffer using memcpy() */ |
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| 164 | p = (char *) &print_buffer; |
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| 165 | |
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| 166 | failed_once = 0; |
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| 167 | |
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| 168 | while (gets(line)) |
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| 169 | { |
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| 170 | char *cp; |
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| 171 | |
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| 172 | /* hack; deal with the 'xxxxxxxx' problem noted above */ |
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| 173 | for (cp=line; *cp; cp++) |
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| 174 | if (*cp == 'x') |
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| 175 | *cp = '0'; |
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| 176 | |
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| 177 | if (*line != '+') |
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| 178 | continue; |
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| 179 | if (sscanf(line, "+%x / %x %x %x %x %x %x %x %x\n", |
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| 180 | &ignore, |
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| 181 | &b[0].uv_long, |
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| 182 | &b[1].uv_long, |
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| 183 | &b[2].uv_long, |
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| 184 | &b[3].uv_long, |
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| 185 | &b[4].uv_long, |
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| 186 | &b[5].uv_long, |
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| 187 | &b[6].uv_long, |
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| 188 | &b[7].uv_long) != 9) |
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| 189 | { |
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| 190 | if (failed_once) |
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| 191 | error(ERR_FATAL, "2nd format problem; giving up"); |
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| 192 | error(0, "format problem in line: `%s`", line); |
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| 193 | failed_once = 1; |
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| 194 | } |
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| 195 | |
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| 196 | memcpy((void *) p, (void *) b, sizeof(b)); |
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| 197 | p += sizeof(b); |
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| 198 | } |
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| 199 | |
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| 200 | if (verbose) |
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| 201 | printf("buffer size: %d\n", print_buffer.size); |
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| 202 | |
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| 203 | if (print_buffer.size < 0) |
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| 204 | error(ERR_FATAL, "size is too small"); |
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| 205 | |
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| 206 | if (print_buffer.size != sizeof(print_buffer.buffer)) |
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| 207 | { |
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| 208 | error(ERR_FATAL, "buffer size mismatch, expected %d", |
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| 209 | sizeof(print_buffer.buffer)); |
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| 210 | /* XXX we really should just dynamically allocate the buffer */ |
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| 211 | } |
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| 212 | |
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| 213 | i = print_buffer.index + 1; |
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| 214 | while (i != print_buffer.index) |
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| 215 | { |
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| 216 | unsigned int c; |
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| 217 | c = print_buffer.buffer[i++]; |
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| 218 | if (c && (c != '\r')) |
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| 219 | prchar(c); |
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| 220 | i %= print_buffer.size; |
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| 221 | } |
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| 222 | printf("\n"); |
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| 223 | return 0; |
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| 224 | } |
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| 225 | |
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| 226 | /* de-controlify */ |
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| 227 | char *de_control[] = { |
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| 228 | "^@", "^A", "^B", "^C", "^D", "^E", "^F", "^G", "^H", "^I", "^J", "^K", |
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| 229 | "^L", "^M", "^N", "^O", "^P", "^Q", "^R", "^S", "^T", "^U", "^V", "^W", |
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| 230 | "^X", "^Y", "^Z", "^[", "^\\", "^]", "^~", "^_", |
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| 231 | " ", "!", "\"", "#", "$", "%", "&", "'", "(", ")", "*", "+", ",", "-", |
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| 232 | ".", "/", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", ":", ";", |
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| 233 | "<", "=", ">", "?", "@", "A", "B", "C", "D", "E", "F", "G", "H", "I", |
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| 234 | "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", |
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| 235 | "X", "Y", "Z", "[", "\\", "]", "^", "_", "`", "a", "b", "c", "d", "e", |
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| 236 | "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", |
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| 237 | "t", "u", "v", "w", "x", "y", "z", "{", "|", "}", "~", "^?", |
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| 238 | "M-^@", "M-^A", "M-^B", "M-^C", "M-^D", "M-^E", "M-^F", "M-^G", |
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| 239 | "M-^H", "M-^I", "M-^J", "M-^K", "M-^L", "M-^M", "M-^N", "M-^O", |
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| 240 | "M-^P", "M-^Q", "M-^R", "M-^S", "M-^T", "M-^U", "M-^V", "M-^W", |
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| 241 | "M-^X", "M-^Y", "M-^Z", "M-^[", "M-^\\", "M-^]", "M-^~", "M-^_", |
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| 242 | "M- ", "M-!", "M-\"", "M-#", "M-$", "M-%", "M-&", "M-'", |
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| 243 | "M-(", "M-)", "M-*", "M-+", "M-,", "M--", "M-.", "M-/", |
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| 244 | "M-0", "M-1", "M-2", "M-3", "M-4", "M-5", "M-6", "M-7", |
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| 245 | "M-8", "M-9", "M-:", "M-;", "M-<", "M-=", "M->", "M-?", |
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| 246 | "M-@", "M-A", "M-B", "M-C", "M-D", "M-E", "M-F", "M-G", |
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| 247 | "M-H", "M-I", "M-J", "M-K", "M-L", "M-M", "M-N", "M-O", |
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| 248 | "M-P", "M-Q", "M-R", "M-S", "M-T", "M-U", "M-V", "M-W", |
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| 249 | "M-X", "M-Y", "M-Z", "M-[", "M-\\", "M-]", "M-^", "M-_", |
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| 250 | "M-`", "M-a", "M-b", "M-c", "M-d", "M-e", "M-f", "M-g", |
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| 251 | "M-h", "M-i", "M-j", "M-k", "M-l", "M-m", "M-n", "M-o", |
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| 252 | "M-p", "M-q", "M-r", "M-s", "M-t", "M-u", "M-v", "M-w", |
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| 253 | "M-x", "M-y", "M-z", "M-{", "M-|", "M-}", "M-~", "M-^?" |
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| 254 | }; |
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| 255 | |
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| 256 | /* |
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| 257 | * prchar(ch); print ch in a readable format, ie ^X or X or ~^X or DEL, etc. |
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| 258 | */ |
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| 259 | |
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| 260 | void |
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| 261 | prchar(unsigned int ch) |
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| 262 | { |
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| 263 | if (isprint(ch) || isspace(ch)) |
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| 264 | putchar(ch); |
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| 265 | else |
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| 266 | printf("%s", de_control[ch]); |
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| 267 | } |
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| 268 | |
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| 269 | |
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| 270 | /* |
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| 271 | * error(errn, arglist) |
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| 272 | * report an error to stderr using printf(3) conventions. |
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| 273 | * Any output is preceded by '<progname>: ' |
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| 274 | * |
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| 275 | * Uses ERR_EXIT bit to request exit(errn) |
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| 276 | * ERR_ABORT to request abort() |
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| 277 | * ERR_ERRNO to indicate use of errno instead of argument. |
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| 278 | * |
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| 279 | * If resulting 'errn' is non-zero, it is assumed to be an 'errno' and its |
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| 280 | * associated error message is appended to the output. |
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| 281 | */ |
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| 282 | |
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| 283 | /*VARARGS*/ |
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| 284 | |
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| 285 | void |
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| 286 | error(int error_flag, ...) |
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| 287 | { |
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| 288 | va_list arglist; |
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| 289 | register char *format; |
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| 290 | extern char *sys_errlist[]; |
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| 291 | extern int sys_nerr; |
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| 292 | int local_errno; |
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| 293 | |
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| 294 | extern int errno; |
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| 295 | |
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| 296 | (void) fflush(stdout); /* in case stdout/stderr same */ |
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| 297 | |
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| 298 | local_errno = error_flag & ~ERR_MASK; |
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| 299 | if (error_flag & ERR_ERRNO) /* use errno? */ |
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| 300 | local_errno = errno; |
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| 301 | |
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| 302 | va_start(arglist, error_flag); |
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| 303 | format = va_arg(arglist, char *); |
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| 304 | (void) fprintf(stderr, "%s: ", progname); |
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| 305 | (void) vfprintf(stderr, format, arglist); |
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| 306 | va_end(arglist); |
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| 307 | |
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| 308 | if (local_errno) |
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| 309 | if ((local_errno > 0) && (local_errno < sys_nerr)) |
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| 310 | (void) fprintf(stderr, " (%s)\n", sys_errlist[local_errno]); |
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| 311 | else |
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| 312 | (void) fprintf(stderr, " (unknown errno=%d)\n", local_errno); |
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| 313 | else |
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| 314 | (void) fprintf(stderr, "\n"); |
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| 315 | |
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| 316 | (void) fflush(stderr); |
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| 317 | |
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| 318 | if (error_flag & (ERR_FATAL | ERR_ABORT)) |
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| 319 | { |
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| 320 | if (error_flag & ERR_FATAL) |
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| 321 | { |
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| 322 | error(0, local_errno ? "fatal error, exiting" : "exiting"); |
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| 323 | exit(local_errno); |
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| 324 | } |
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| 325 | else |
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| 326 | { |
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| 327 | error(0, "fatal error, aborting"); |
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| 328 | abort(); |
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| 329 | } |
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| 330 | } |
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| 331 | } |
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| 332 | |
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