[ac7d5ef0] | 1 | /* |
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| 2 | * unhex |
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| 3 | * convert a hex file to binary equivalent. If more than one file name |
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| 4 | * is given, then the output will be logically concatenated together. |
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| 5 | * stdin and stdout are defaults. Verbose will enable checksum output. |
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| 6 | * |
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| 7 | * Supported input formats are Intel hex, Motorola S records, and TI 'B' |
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| 8 | * records. |
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| 9 | * |
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| 10 | * Intel hex input format is |
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| 11 | * Byte |
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| 12 | * 1 Colon : |
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| 13 | * 2..3 Record length, eg: "20" |
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| 14 | * 4..7 load address nibbles |
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| 15 | * 8..9 record type: "00" (data) or "02" base addr |
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| 16 | * 10..x data bytes in ascii-hex |
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| 17 | * x+1..x+2 cksum (2's compl of (len+addr+data)) |
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| 18 | * x+3 \n -- newline |
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[eb5a7e07] | 19 | * |
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| 20 | * $Id$ |
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[ac7d5ef0] | 21 | */ |
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| 22 | |
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| 23 | char *USAGE = "\ |
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| 24 | usage: unhex [-va] [ -o file ] [ file [file ... ] ]\n\ |
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| 25 | -v -- verbose\n\ |
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| 26 | -a base -- 1st byte of output corresponds to this address\n\ |
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| 27 | -l -- linear, just writes data out\n\ |
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| 28 | -o file -- output file; must not be input file\n\ |
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| 29 | -F k_bits -- \"holes\" in input will be filled with 0xFF's\n\ |
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| 30 | up to \"k_bits\" * 1024 bits\n\ |
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| 31 | "; |
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| 32 | |
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| 33 | #include <stdio.h> |
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| 34 | #include <fcntl.h> |
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| 35 | #include <ctype.h> |
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| 36 | #include <string.h> |
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| 37 | #include <unistd.h> |
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| 38 | #include <stdlib.h> |
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| 39 | #include <stdarg.h> |
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| 40 | |
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[9ad1f13] | 41 | #include "config.h" |
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| 42 | |
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| 43 | #ifndef VMS |
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| 44 | #ifndef HAVE_STRERROR |
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| 45 | extern int sys_nerr; |
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| 46 | extern char *sys_errlist[]; |
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| 47 | |
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| 48 | #define strerror( _err ) \ |
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| 49 | ((_err) < sys_nerr) ? sys_errlist [(_err)] : "unknown error" |
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| 50 | |
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| 51 | #else /* HAVE_STRERROR */ |
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| 52 | char *strerror (); |
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| 53 | #endif |
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| 54 | #else /* VMS */ |
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| 55 | char *strerror (int,...); |
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| 56 | #endif |
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| 57 | |
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| 58 | |
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[ac7d5ef0] | 59 | #define OK 0 |
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| 60 | #define FAILURE (-1) |
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| 61 | #define Failed(x) ((x) == FAILURE) |
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| 62 | #define TRUE 1 |
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| 63 | #define FALSE 0 |
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| 64 | typedef char bool; |
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| 65 | #define STREQ(a,b) (strcmp(a,b) == 0) |
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| 66 | |
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| 67 | typedef unsigned char u8; |
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| 68 | typedef unsigned short u16; |
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| 69 | typedef unsigned long u32; |
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| 70 | |
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| 71 | /* |
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| 72 | * Pick out designated bytes |
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| 73 | */ |
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| 74 | |
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| 75 | #define B0(x) ((x) & 0xff) |
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| 76 | #define B1(x) B0((x) >> 8) |
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| 77 | #define B2(x) B0((x) >> 16) |
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| 78 | #define B3(x) B0((x) >> 24) |
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| 79 | |
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| 80 | typedef struct buffer_rec { |
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| 81 | u32 dl_destaddr; |
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| 82 | u32 dl_jumpaddr; |
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| 83 | int dl_count; |
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| 84 | u8 dl_buf[512]; |
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| 85 | } buffer_rec; |
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| 86 | |
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| 87 | /* |
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| 88 | * vars controlled by command line options |
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| 89 | */ |
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| 90 | |
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| 91 | bool verbose = FALSE; /* be verbose */ |
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| 92 | bool linear = FALSE; /* just write out linear data */ |
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| 93 | char *outfilename = "-"; /* default output is stdout */ |
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| 94 | u32 base = 0L; /* base address */ |
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| 95 | u32 FFfill = 0L; /* how far to fill w 0xFF's */ |
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| 96 | |
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| 97 | extern char *optarg; /* getopt(3) control vars */ |
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| 98 | extern int optind; |
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| 99 | extern int errno; |
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| 100 | |
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| 101 | char *progname; /* for error() */ |
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| 102 | |
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| 103 | void error(int errn, ...); |
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| 104 | #define ERR_ERRNO (1<<((sizeof(int) * 8) - 2)) /* hi bit; use 'errno' */ |
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| 105 | #define ERR_FATAL (ERR_ERRNO / 2) /* error is fatal; no return */ |
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| 106 | #define ERR_ABORT (ERR_ERRNO / 4) /* error is fatal; abort */ |
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| 107 | #define ERR_MASK (ERR_ERRNO | ERR_FATAL | ERR_ABORT) /* all */ |
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| 108 | |
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[254b4450] | 109 | #ifdef HAVE_STRTOUL |
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| 110 | #define stol(p) strtoul(p, (char **) NULL, 0) |
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[52a0641] | 111 | #else |
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[254b4450] | 112 | #define stol(p) strtol(p, (char **) NULL, 0) |
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[52a0641] | 113 | #endif |
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| 114 | |
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[ac7d5ef0] | 115 | int unhex(FILE *ifp, char *inm, FILE *ofp, char *onm); |
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| 116 | int convert_Intel_records(FILE *ifp, char *inm, FILE *ofp, char *onm); |
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| 117 | int convert_S_records(FILE *ifp, char *inm, FILE *ofp, char *onm); |
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| 118 | int convert_TI_records(FILE *ifp, char *inm, FILE *ofp, char *onm); |
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| 119 | void write_record(buffer_rec *tb, FILE *fp); |
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| 120 | int getnibble(char **p); |
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| 121 | int getbyte(char **p); |
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| 122 | long getNbytes(char **p, int n); |
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| 123 | void badformat(char *s, char *fname, char *msg); |
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| 124 | |
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| 125 | #define get1bytes(p) ((int) getbyte(p)) |
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| 126 | #define get2bytes(p) ((int) getNbytes(p, 2)) |
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| 127 | #define get3bytes(p) getNbytes(p, 3) |
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| 128 | #define get4bytes(p) getNbytes(p, 4) |
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| 129 | |
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| 130 | char *BADADDR = "Invalid record address"; |
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| 131 | char *BADLEN = "Invalid record length"; |
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| 132 | char *BADBASE = "Bad base or starting address"; |
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| 133 | char *BADFMT = "Unrecognized record type"; |
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| 134 | char *BADDATA = "Invalid data byte"; |
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| 135 | char *BADCSUM = "Invalid checksum"; |
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| 136 | char *MISCSUM = "Checksum mismatch"; |
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| 137 | char *BADTYPE = "Unrecognized record type"; |
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| 138 | char *MISTYPE = "Incompatible record types"; |
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| 139 | |
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[9ad1f13] | 140 | int main( |
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| 141 | int argc, |
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| 142 | char **argv |
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| 143 | ) |
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[ac7d5ef0] | 144 | { |
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| 145 | register int c; |
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| 146 | bool showusage = FALSE; /* usage error? */ |
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| 147 | int rc = 0; |
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| 148 | FILE *outfp, *infp; |
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| 149 | |
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| 150 | /* |
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| 151 | * figure out invocation leaf-name |
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| 152 | */ |
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| 153 | |
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| 154 | if ((progname = strrchr(argv[0], '/')) == (char *) NULL) |
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| 155 | progname = argv[0]; |
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| 156 | else |
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| 157 | progname++; |
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| 158 | |
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| 159 | argv[0] = progname; /* for getopt err reporting */ |
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| 160 | |
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| 161 | /* |
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| 162 | * Check options and arguments. |
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| 163 | */ |
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| 164 | |
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| 165 | progname = argv[0]; |
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| 166 | while ((c = getopt(argc, argv, "F:a:o:vl")) != EOF) |
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| 167 | switch (c) |
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| 168 | { |
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| 169 | case 'a': /* base address */ |
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| 170 | base = stol(optarg); |
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| 171 | break; |
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| 172 | |
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| 173 | case 'l': /* linear output */ |
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| 174 | linear = TRUE; |
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| 175 | break; |
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| 176 | |
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| 177 | case 'v': /* toggle verbose */ |
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| 178 | verbose = ! verbose; |
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| 179 | break; |
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| 180 | |
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| 181 | case 'o': /* output file */ |
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| 182 | outfilename = optarg; |
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| 183 | break; |
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| 184 | |
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| 185 | case 'F': /* 0xFF fill amount (bytes) */ |
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| 186 | FFfill = stol(optarg) * 1024L / 8L; |
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| 187 | break; |
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| 188 | |
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| 189 | case '?': |
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| 190 | showusage = TRUE; |
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| 191 | } |
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| 192 | |
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| 193 | if (showusage) |
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| 194 | { |
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| 195 | (void) fprintf(stderr, "%s", USAGE); |
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| 196 | exit(1); |
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| 197 | } |
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| 198 | |
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| 199 | if (linear && (base != 0)) |
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| 200 | { |
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| 201 | error(0, "-l and -a may not be specified in combination"); |
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| 202 | exit(1); |
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| 203 | } |
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| 204 | |
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| 205 | if (STREQ(outfilename, "-")) |
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| 206 | { |
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| 207 | outfp = stdout; |
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| 208 | outfilename = "stdout"; |
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| 209 | } |
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| 210 | else |
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| 211 | if ((outfp = fopen(outfilename, "w")) == (FILE *) NULL) |
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| 212 | { |
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| 213 | error(-1, "couldn't open '%s' for output", outfilename); |
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| 214 | exit(1); |
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| 215 | } |
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| 216 | |
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| 217 | /* |
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| 218 | * Now process the input files (or stdin, if none specified) |
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| 219 | */ |
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| 220 | |
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| 221 | if (argv[optind] == (char *) NULL) /* just stdin */ |
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| 222 | exit(unhex(stdin, "stdin", outfp, outfilename)); |
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| 223 | else |
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| 224 | for (; (optarg = argv[optind]); optind++) |
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| 225 | { |
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| 226 | if (STREQ(optarg, "-")) |
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| 227 | rc += unhex(stdin, "stdin", outfp, outfilename); |
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| 228 | else |
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| 229 | { |
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| 230 | if ((infp = fopen(optarg, "r")) == (FILE *) NULL) |
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| 231 | { |
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| 232 | error(-1, "couldn't open '%s' for input", optarg); |
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| 233 | exit(1); |
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| 234 | } |
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| 235 | rc += unhex(infp, optarg, outfp, outfilename); |
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| 236 | } |
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| 237 | } |
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| 238 | |
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| 239 | return(rc); |
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| 240 | } |
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| 241 | |
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| 242 | u16 filesum; |
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| 243 | |
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| 244 | int |
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| 245 | unhex(FILE *ifp, |
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| 246 | char *inm, |
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| 247 | FILE *ofp, |
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| 248 | char *onm) |
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| 249 | { |
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| 250 | int c; |
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| 251 | |
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| 252 | filesum = 0; |
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| 253 | |
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| 254 | /* |
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| 255 | * Make sure holes will be filled with 0xFF's if requested. We |
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| 256 | * do this the easy way by just filling the file with FF's before |
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| 257 | * getting started. To do it more optimally would be quite a bit |
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| 258 | * more difficult since the user can skip around as much as he/she |
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| 259 | * likes in the input hex file addressing. |
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| 260 | * |
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| 261 | * We'll clean this up later (after this program has run) with |
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| 262 | * 'stripffs' |
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| 263 | */ |
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| 264 | |
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| 265 | if (FFfill) |
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| 266 | { |
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| 267 | (void) fseek(ofp, 0, 0); |
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| 268 | for (c = FFfill; c > 0; c--) |
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| 269 | (void) fputc(0xFF, ofp); |
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| 270 | } |
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| 271 | |
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| 272 | /* |
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| 273 | * Read the first char from file and determine record types |
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| 274 | */ |
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| 275 | |
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| 276 | if ((c = getc(ifp)) != EOF) |
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| 277 | { |
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| 278 | ungetc(c, ifp); |
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| 279 | switch(c) |
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| 280 | { |
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| 281 | case 'S': |
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| 282 | convert_S_records(ifp, inm, ofp, onm); |
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| 283 | break; |
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| 284 | |
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| 285 | case ':': |
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| 286 | convert_Intel_records(ifp, inm, ofp, onm); |
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| 287 | break; |
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| 288 | |
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| 289 | case '9': |
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| 290 | case 'B': |
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| 291 | convert_TI_records(ifp, inm, ofp, onm); |
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| 292 | break; |
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| 293 | |
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| 294 | default: |
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| 295 | { |
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| 296 | char tmp[2]; |
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| 297 | tmp[0] = c; tmp[1] = 0; |
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| 298 | badformat(tmp, inm, BADFMT); |
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| 299 | } |
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| 300 | } |
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| 301 | } |
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| 302 | |
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| 303 | if (verbose) |
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| 304 | fprintf(stderr, "'%s' checksum is 0x%04x\n", inm, filesum); |
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| 305 | |
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| 306 | return 0; |
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| 307 | } |
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| 308 | |
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| 309 | int |
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| 310 | convert_Intel_records( |
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| 311 | FILE *ifp, |
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| 312 | char *inm, |
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| 313 | FILE *ofp, |
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| 314 | char *onm) |
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| 315 | { |
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| 316 | char buff[512]; |
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| 317 | char *p; |
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| 318 | u8 cksum; |
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| 319 | int incksum; |
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| 320 | int c; |
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| 321 | int rectype; /* record type */ |
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| 322 | int len; /* data length of current line */ |
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| 323 | u32 addr; |
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| 324 | u32 base_address = 0; |
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| 325 | bool endrecord = FALSE; |
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| 326 | buffer_rec tb; |
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| 327 | |
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| 328 | while ( ! endrecord && (fgets(buff, sizeof(buff), ifp))) |
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| 329 | { |
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| 330 | p = &buff[0]; |
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| 331 | |
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| 332 | if (p[strlen(p)-1] == '\n') /* get rid of newline */ |
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| 333 | p[strlen(p)-1] = '\0'; |
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| 334 | |
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| 335 | if (p[strlen(p)-1] == '\r') /* get rid of any CR */ |
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| 336 | p[strlen(p)-1] = '\0'; |
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| 337 | |
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| 338 | tb.dl_count = 0; |
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| 339 | |
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| 340 | if (*p != ':') |
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| 341 | badformat(p, inm, BADFMT); |
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| 342 | p++; |
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| 343 | |
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| 344 | if ((len = getbyte(&p)) == -1) /* record len */ |
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| 345 | badformat(buff, inm, BADLEN); |
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| 346 | |
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| 347 | if ((addr = get2bytes(&p)) == -1L) /* record addr */ |
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| 348 | badformat(buff, inm, BADADDR); |
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| 349 | |
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| 350 | rectype = getbyte(&p); |
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| 351 | |
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| 352 | cksum = len + B0(addr) + B1(addr) + rectype; |
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| 353 | |
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| 354 | switch (rectype) |
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| 355 | { |
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| 356 | case 0x00: /* normal data record */ |
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| 357 | tb.dl_destaddr = base_address + addr; |
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| 358 | while (len--) |
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| 359 | { |
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| 360 | if ((c = getbyte(&p)) == -1) |
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| 361 | badformat(buff, inm, BADDATA); |
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| 362 | cksum += c; |
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| 363 | filesum += c; |
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| 364 | tb.dl_buf[tb.dl_count++] = c; |
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| 365 | } |
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| 366 | break; |
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| 367 | |
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| 368 | case 0x01: /* execution start address */ |
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| 369 | base_address = addr; |
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| 370 | endrecord = TRUE; |
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| 371 | break; |
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| 372 | |
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| 373 | case 0x02: /* new base */ |
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| 374 | if ((base_address = get2bytes(&p)) == -1L) |
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| 375 | badformat(buff, inm, BADBASE); |
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| 376 | cksum += B0(base_address) + B1(base_address); |
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| 377 | base_address <<= 4; |
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| 378 | break; |
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| 379 | |
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| 380 | case 0x03: /* seg/off execution start address */ |
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| 381 | { |
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| 382 | u32 seg, off; |
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| 383 | |
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| 384 | seg = get2bytes(&p); |
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| 385 | off = get2bytes(&p); |
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| 386 | if ((seg == -1L) || (off == -1L)) |
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| 387 | badformat(buff, inm, BADADDR); |
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| 388 | |
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| 389 | cksum += B0(seg) + B1(seg) + B0(off) + B1(off); |
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| 390 | |
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| 391 | tb.dl_jumpaddr = (seg << 4) + off; |
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| 392 | break; |
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| 393 | } |
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| 394 | |
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| 395 | default: |
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| 396 | error(0, "unknown Intel-hex record type: 0x%02x", rectype); |
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| 397 | badformat(buff, inm, BADTYPE); |
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| 398 | } |
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| 399 | |
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| 400 | /* |
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| 401 | * Verify checksums are correct in file. |
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| 402 | */ |
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| 403 | |
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| 404 | cksum = (-cksum) & 0xff; |
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| 405 | if ((incksum = getbyte(&p)) == -1) |
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| 406 | badformat(buff, inm, BADCSUM); |
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| 407 | if (((u8) incksum) != cksum) |
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| 408 | badformat(buff, inm, MISCSUM); |
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| 409 | |
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| 410 | if (tb.dl_count) |
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| 411 | write_record(&tb, ofp); |
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| 412 | } |
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| 413 | return 0; |
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| 414 | } |
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| 415 | |
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| 416 | int |
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| 417 | convert_S_records( |
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| 418 | FILE *ifp, |
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| 419 | char *inm, |
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| 420 | FILE *ofp, |
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| 421 | char *onm) |
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| 422 | { |
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| 423 | char buff[512]; |
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| 424 | char *p; |
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| 425 | u8 cksum; |
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| 426 | int incksum; |
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| 427 | int c; |
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| 428 | int len; /* data length of current line */ |
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| 429 | int rectype; /* record type */ |
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| 430 | u32 addr; |
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| 431 | bool endrecord = FALSE; |
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| 432 | buffer_rec tb; |
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| 433 | |
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| 434 | while ( ! endrecord && (fgets(buff, sizeof(buff), ifp))) |
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| 435 | { |
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| 436 | p = &buff[0]; |
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| 437 | |
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| 438 | if (p[strlen(p)-1] == '\n') /* get rid of newline */ |
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| 439 | p[strlen(p)-1] = '\0'; |
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| 440 | |
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| 441 | if (p[strlen(p)-1] == '\r') /* get rid of any CR */ |
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| 442 | p[strlen(p)-1] = '\0'; |
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| 443 | |
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| 444 | tb.dl_count = 0; |
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| 445 | |
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| 446 | if (*p != 'S') |
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| 447 | badformat(p, inm, BADFMT); |
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| 448 | p++; |
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| 449 | |
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| 450 | if ((rectype = getnibble(&p)) == -1) /* record type */ |
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| 451 | badformat(buff, inm, BADTYPE); |
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| 452 | |
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| 453 | if ((len = getbyte(&p)) == -1) /* record len */ |
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| 454 | badformat(buff, inm, BADLEN); |
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| 455 | cksum = len; |
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| 456 | |
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| 457 | switch (rectype) |
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| 458 | { |
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| 459 | case 0x00: /* comment field, ignored */ |
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| 460 | goto write_it; |
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| 461 | |
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| 462 | case 0x01: /* data record, 16 bit addr */ |
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| 463 | if ((addr = get2bytes(&p)) == -1L) |
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| 464 | badformat(buff, inm, BADADDR); |
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| 465 | len -= 3; |
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| 466 | goto doit; |
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| 467 | |
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| 468 | case 0x02: /* ... 24 bit addr */ |
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| 469 | if ((addr = get3bytes(&p)) == -1L) |
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| 470 | badformat(buff, inm, BADADDR); |
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| 471 | len -= 4; |
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| 472 | goto doit; |
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| 473 | |
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| 474 | case 0x03: /* ... 32 bit addr */ |
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| 475 | if ((addr = get4bytes(&p)) == -1L) |
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| 476 | badformat(buff, inm, BADADDR); |
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| 477 | len -= 5; |
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| 478 | doit: |
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| 479 | cksum += B0(addr) + B1(addr) + B2(addr) + B3(addr); |
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| 480 | |
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| 481 | tb.dl_destaddr = addr; |
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| 482 | while (len--) |
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| 483 | { |
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| 484 | if ((c = getbyte(&p)) == -1) |
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| 485 | badformat(buff, inm, BADDATA); |
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| 486 | cksum += c; |
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| 487 | filesum += c; |
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| 488 | tb.dl_buf[tb.dl_count++] = c; |
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| 489 | } |
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| 490 | break; |
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| 491 | |
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| 492 | case 0x07: /* 32 bit end record */ |
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| 493 | if ((addr = get4bytes(&p)) == -1L) |
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| 494 | badformat(buff, inm, BADADDR); |
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| 495 | goto end_rec; |
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| 496 | |
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| 497 | case 0x08: /* 24 bit end record */ |
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| 498 | if ((addr = get3bytes(&p)) == -1L) |
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| 499 | badformat(buff, inm, BADADDR); |
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| 500 | goto end_rec; |
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| 501 | |
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| 502 | case 0x09: /* 16 bit end record */ |
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| 503 | if ((addr = get2bytes(&p)) == -1L) |
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| 504 | badformat(buff, inm, BADADDR); |
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| 505 | |
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| 506 | end_rec: |
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| 507 | cksum += B0(addr) + B1(addr) + B2(addr) + B3(addr); |
---|
| 508 | tb.dl_jumpaddr = addr; |
---|
| 509 | break; |
---|
| 510 | |
---|
| 511 | default: |
---|
| 512 | error(0, "unknown Motorola-S record type: 0x%02x", rectype); |
---|
| 513 | badformat(buff, inm, BADTYPE); |
---|
| 514 | break; |
---|
| 515 | } |
---|
| 516 | |
---|
| 517 | /* |
---|
| 518 | * Verify checksums are correct in file. |
---|
| 519 | */ |
---|
| 520 | |
---|
| 521 | cksum = (~cksum) & 0xff; |
---|
| 522 | if ((incksum = getbyte(&p)) == -1) |
---|
| 523 | badformat(buff, inm, BADCSUM); |
---|
| 524 | if (((u8) incksum) != cksum) |
---|
| 525 | badformat(buff, inm, MISCSUM); |
---|
| 526 | |
---|
| 527 | write_it: |
---|
| 528 | if (tb.dl_count) |
---|
| 529 | write_record(&tb, ofp); |
---|
| 530 | } |
---|
| 531 | return 0; |
---|
| 532 | } |
---|
| 533 | |
---|
| 534 | int |
---|
| 535 | convert_TI_records( |
---|
| 536 | FILE *ifp, |
---|
| 537 | char *inm, |
---|
| 538 | FILE *ofp, |
---|
| 539 | char *onm) |
---|
| 540 | { |
---|
| 541 | char buff[512]; |
---|
| 542 | char *p; |
---|
| 543 | int c; |
---|
| 544 | bool endrecord = FALSE; |
---|
| 545 | bool eol; |
---|
| 546 | buffer_rec tb; |
---|
| 547 | |
---|
| 548 | while ( ! endrecord && (fgets(buff, sizeof(buff), ifp))) |
---|
| 549 | { |
---|
| 550 | if (p[strlen(p)-1] == '\n') /* get rid of newline */ |
---|
| 551 | p[strlen(p)-1] = '\0'; |
---|
| 552 | |
---|
| 553 | if (p[strlen(p)-1] == '\r') /* get rid of any CR */ |
---|
| 554 | p[strlen(p)-1] = '\0'; |
---|
| 555 | |
---|
| 556 | tb.dl_count = 0; |
---|
| 557 | |
---|
| 558 | p = &buff[0]; |
---|
| 559 | eol = FALSE; |
---|
| 560 | while ( ! eol && ! endrecord) |
---|
| 561 | { |
---|
| 562 | switch (*p++) |
---|
| 563 | { |
---|
| 564 | case '9': |
---|
| 565 | if (tb.dl_count) |
---|
| 566 | write_record(&tb, ofp); |
---|
| 567 | tb.dl_destaddr = get2bytes(&p); |
---|
| 568 | break; |
---|
| 569 | |
---|
| 570 | case 'B': |
---|
| 571 | c = getbyte(&p); |
---|
| 572 | filesum += c; |
---|
| 573 | tb.dl_buf[tb.dl_count++] = c; |
---|
| 574 | c = getbyte(&p); |
---|
| 575 | filesum += c; |
---|
| 576 | tb.dl_buf[tb.dl_count++] = c; |
---|
| 577 | break; |
---|
| 578 | |
---|
| 579 | case 'F': |
---|
| 580 | eol = TRUE; |
---|
| 581 | break; |
---|
| 582 | |
---|
| 583 | case ':': |
---|
| 584 | endrecord = TRUE; |
---|
| 585 | break; |
---|
| 586 | |
---|
| 587 | default: |
---|
| 588 | badformat(p, inm, BADFMT); |
---|
| 589 | } |
---|
| 590 | } |
---|
| 591 | if (tb.dl_count) |
---|
| 592 | write_record(&tb, ofp); |
---|
| 593 | } |
---|
| 594 | return 0; |
---|
| 595 | } |
---|
| 596 | |
---|
| 597 | void |
---|
| 598 | write_record(buffer_rec *tb, |
---|
| 599 | FILE *fp) |
---|
| 600 | { |
---|
| 601 | if ( ! linear) |
---|
| 602 | { |
---|
| 603 | if (tb->dl_destaddr < base) |
---|
| 604 | error(ERR_FATAL, "record at address 0x%x precedes base of 0x%x", |
---|
| 605 | tb->dl_destaddr, base); |
---|
| 606 | (void) fseek(fp, tb->dl_destaddr - base, 0); |
---|
| 607 | } |
---|
| 608 | |
---|
| 609 | (void) fwrite(tb->dl_buf, tb->dl_count, 1, fp); |
---|
| 610 | tb->dl_destaddr += tb->dl_count; |
---|
| 611 | tb->dl_count = 0; |
---|
| 612 | } |
---|
| 613 | |
---|
| 614 | int |
---|
| 615 | getnibble(char **p) |
---|
| 616 | { |
---|
| 617 | register int val; |
---|
| 618 | |
---|
| 619 | **p = toupper(**p); |
---|
| 620 | switch (**p) |
---|
| 621 | { |
---|
| 622 | case '0': case '1': case '2': case '3': case '4': |
---|
| 623 | case '5': case '6': case '7': case '8': case '9': |
---|
| 624 | val = **p - '0'; |
---|
| 625 | break; |
---|
| 626 | |
---|
| 627 | case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': |
---|
| 628 | val = 10 + (**p - 'A'); |
---|
| 629 | break; |
---|
| 630 | |
---|
| 631 | default: |
---|
| 632 | return(-1); |
---|
| 633 | } |
---|
| 634 | *p += 1; |
---|
| 635 | |
---|
| 636 | return(val & 0x0f); |
---|
| 637 | } |
---|
| 638 | |
---|
| 639 | int |
---|
| 640 | getbyte(char **p) |
---|
| 641 | { |
---|
| 642 | int n0, n1; |
---|
| 643 | |
---|
| 644 | if ((n0 = getnibble(p)) == -1) |
---|
| 645 | return(-1); |
---|
| 646 | if ((n1 = getnibble(p)) == -1) |
---|
| 647 | return(-1); |
---|
| 648 | |
---|
| 649 | return(((n0 << 4) + n1) & 0xff); |
---|
| 650 | } |
---|
| 651 | |
---|
| 652 | long |
---|
| 653 | getNbytes(char **p, |
---|
| 654 | int n) |
---|
| 655 | { |
---|
| 656 | int t; |
---|
| 657 | u32 val = 0; |
---|
| 658 | |
---|
| 659 | while (n--) |
---|
| 660 | { |
---|
| 661 | if ((t = getbyte(p)) == -1) |
---|
| 662 | return(-1L); |
---|
| 663 | val <<= 8; |
---|
| 664 | val += t; |
---|
| 665 | } |
---|
| 666 | |
---|
| 667 | return(val); |
---|
| 668 | } |
---|
| 669 | |
---|
| 670 | void |
---|
| 671 | badformat(char *s, |
---|
| 672 | char *fname, |
---|
| 673 | char *msg) |
---|
| 674 | { |
---|
| 675 | if (s[strlen(s)-1] == '\n') /* get rid of newline */ |
---|
| 676 | s[strlen(s)-1] = '\0'; |
---|
| 677 | error(0, "line '%s'::\n\tfrom file '%s'; %s", s, fname, msg); |
---|
| 678 | exit(1); |
---|
| 679 | } |
---|
| 680 | |
---|
| 681 | /* |
---|
| 682 | * error(errn, arglist) |
---|
| 683 | * report an error to stderr using printf(3) conventions. |
---|
| 684 | * Any output is preceded by '<progname>: ' |
---|
| 685 | * |
---|
| 686 | * Uses ERR_EXIT bit to request exit(errn) |
---|
| 687 | * ERR_ABORT to request abort() |
---|
| 688 | * ERR_ERRNO to indicate use of errno instead of argument. |
---|
| 689 | * |
---|
| 690 | * If resulting 'errn' is non-zero, it is assumed to be an 'errno' and its |
---|
| 691 | * associated error message is appended to the output. |
---|
| 692 | */ |
---|
| 693 | |
---|
| 694 | /*VARARGS*/ |
---|
| 695 | |
---|
| 696 | void |
---|
| 697 | error(int error_flag, ...) |
---|
| 698 | { |
---|
| 699 | va_list arglist; |
---|
| 700 | register char *format; |
---|
| 701 | int local_errno; |
---|
| 702 | |
---|
| 703 | extern int errno; |
---|
| 704 | |
---|
| 705 | (void) fflush(stdout); /* in case stdout/stderr same */ |
---|
| 706 | |
---|
| 707 | local_errno = error_flag & ~ERR_MASK; |
---|
| 708 | if (error_flag & ERR_ERRNO) /* use errno? */ |
---|
| 709 | local_errno = errno; |
---|
| 710 | |
---|
| 711 | va_start(arglist, error_flag); |
---|
| 712 | format = va_arg(arglist, char *); |
---|
| 713 | (void) fprintf(stderr, "%s: ", progname); |
---|
| 714 | (void) vfprintf(stderr, format, arglist); |
---|
| 715 | va_end(arglist); |
---|
| 716 | |
---|
| 717 | if (local_errno) |
---|
[9ad1f13] | 718 | (void) fprintf(stderr, " (%s)\n", strerror(local_errno)); |
---|
[ac7d5ef0] | 719 | else |
---|
[9ad1f13] | 720 | (void) fprintf(stderr, "\n"); |
---|
[ac7d5ef0] | 721 | |
---|
| 722 | (void) fflush(stderr); |
---|
| 723 | |
---|
| 724 | if (error_flag & (ERR_FATAL | ERR_ABORT)) |
---|
| 725 | { |
---|
| 726 | if (error_flag & ERR_FATAL) |
---|
| 727 | { |
---|
[c64e4ed4] | 728 | error(0, "fatal error, exiting"); |
---|
| 729 | exit(local_errno ? local_errno : 1); |
---|
[ac7d5ef0] | 730 | } |
---|
| 731 | else |
---|
| 732 | { |
---|
| 733 | error(0, "fatal error, aborting"); |
---|
| 734 | abort(); |
---|
| 735 | } |
---|
| 736 | } |
---|
| 737 | } |
---|
| 738 | |
---|