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Added -flipped option to unidasm to output with disassembly

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first and address/data bytes afterwards in comment form.
This commit is contained in:
Aaron Giles 2009-10-31 19:46:55 +00:00
parent 8b430a357f
commit 721087eeeb
1 changed files with 66 additions and 34 deletions
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100
src/tools/unidasm.c
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@ -81,6 +81,7 @@ struct _options
UINT8 norawbytes; UINT8 norawbytes;
UINT8 lower; UINT8 lower;
UINT8 upper; UINT8 upper;
UINT8 flipped;
int mode; int mode;
const dasm_table_entry *dasm; const dasm_table_entry *dasm;
}; };
@ -379,6 +380,8 @@ static int parse_options(int argc, char *argv[], options *opts)
pending_arch = TRUE; pending_arch = TRUE;
else if (tolower((UINT8)curarg[1]) == 'b') else if (tolower((UINT8)curarg[1]) == 'b')
pending_base = TRUE; pending_base = TRUE;
else if (tolower((UINT8)curarg[1]) == 'f')
opts->flipped = TRUE;
else if (tolower((UINT8)curarg[1]) == 'l') else if (tolower((UINT8)curarg[1]) == 'l')
opts->lower = TRUE; opts->lower = TRUE;
else if (tolower((UINT8)curarg[1]) == 'm') else if (tolower((UINT8)curarg[1]) == 'm')
@ -445,7 +448,8 @@ static int parse_options(int argc, char *argv[], options *opts)
return 0; return 0;
usage: usage:
printf("Usage: %s <filename> -arch <architecture> [-basepc <pc>] [-mode <n>] [-norawbytes] [-upper] [-lower]\n", argv[0]); printf("Usage: %s <filename> -arch <architecture> [-basepc <pc>] \n", argv[0]);
printf(" [-mode <n>] [-norawbytes] [-flipped] [-upper] [-lower]\n");
printf("\n"); printf("\n");
printf("Supported architectures:"); printf("Supported architectures:");
numrows = (ARRAY_LENGTH(dasm_table) + 6) / 7; numrows = (ARRAY_LENGTH(dasm_table) + 6) / 7;
@ -515,33 +519,7 @@ int main(int argc, char *argv[])
else else
numbytes = pcdelta >> opts.dasm->pcshift; numbytes = pcdelta >> opts.dasm->pcshift;
// round to the nearest display chunk // force upper or lower
numbytes = ((numbytes + displaychunk - 1) / displaychunk) * displaychunk;
if (numbytes == 0)
numbytes = displaychunk;
numchunks = numbytes / displaychunk;
// output the address
printf("%08X: ", curpc);
// output the raw bytes
if (!opts.norawbytes)
{
int firstchunks = (numchunks < maxchunks) ? numchunks : maxchunks;
int chunknum, bytenum;
for (chunknum = 0; chunknum < firstchunks; chunknum++)
{
for (bytenum = 0; bytenum < displaychunk; bytenum++)
printf("%02X", oprom[displayendian ? (displaychunk - 1 - bytenum) : bytenum]);
printf(" ");
oprom += displaychunk;
}
for ( ; chunknum < maxchunks; chunknum++)
printf("%*s ", displaychunk * 2, "");
printf(" ");
}
// output the disassembly
if (opts.lower) if (opts.lower)
{ {
for (p = buffer; *p != 0; p++) for (p = buffer; *p != 0; p++)
@ -552,16 +530,24 @@ int main(int argc, char *argv[])
for (p = buffer; *p != 0; p++) for (p = buffer; *p != 0; p++)
*p = toupper((UINT8)*p); *p = toupper((UINT8)*p);
} }
printf("%s\n", buffer);
// output additional raw bytes // round to the nearest display chunk
if (!opts.norawbytes && numchunks > maxchunks) numbytes = ((numbytes + displaychunk - 1) / displaychunk) * displaychunk;
if (numbytes == 0)
numbytes = displaychunk;
numchunks = numbytes / displaychunk;
// non-flipped case
if (!opts.flipped)
{ {
for (numchunks -= maxchunks; numchunks > 0; numchunks -= maxchunks) // output the address
printf("%08X: ", curpc);
// output the raw bytes
if (!opts.norawbytes)
{ {
int firstchunks = (numchunks < maxchunks) ? numchunks : maxchunks; int firstchunks = (numchunks < maxchunks) ? numchunks : maxchunks;
int chunknum, bytenum; int chunknum, bytenum;
printf(" ");
for (chunknum = 0; chunknum < firstchunks; chunknum++) for (chunknum = 0; chunknum < firstchunks; chunknum++)
{ {
for (bytenum = 0; bytenum < displaychunk; bytenum++) for (bytenum = 0; bytenum < displaychunk; bytenum++)
@ -569,8 +555,54 @@ int main(int argc, char *argv[])
printf(" "); printf(" ");
oprom += displaychunk; oprom += displaychunk;
} }
printf("\n"); for ( ; chunknum < maxchunks; chunknum++)
printf("%*s ", displaychunk * 2, "");
printf(" ");
} }
// output the disassembly
printf("%s\n", buffer);
// output additional raw bytes
if (!opts.norawbytes && numchunks > maxchunks)
{
for (numchunks -= maxchunks; numchunks > 0; numchunks -= maxchunks)
{
int firstchunks = (numchunks < maxchunks) ? numchunks : maxchunks;
int chunknum, bytenum;
printf(" ");
for (chunknum = 0; chunknum < firstchunks; chunknum++)
{
for (bytenum = 0; bytenum < displaychunk; bytenum++)
printf("%02X", oprom[displayendian ? (displaychunk - 1 - bytenum) : bytenum]);
printf(" ");
oprom += displaychunk;
}
printf("\n");
}
}
}
// flipped case
else
{
// output the disassembly and address
printf("\t%-40s ; %08X", buffer, curpc);
// output the raw bytes
if (!opts.norawbytes)
{
int chunknum, bytenum;
printf(": ");
for (chunknum = 0; chunknum < numchunks; chunknum++)
{
for (bytenum = 0; bytenum < displaychunk; bytenum++)
printf("%02X", oprom[displayendian ? (displaychunk - 1 - bytenum) : bytenum]);
printf(" ");
oprom += displaychunk;
}
}
printf("\n");
} }
// advance // advance