181 lines
4.2 KiB
C
181 lines
4.2 KiB
C
/*
|
|
* layout_dump.c -
|
|
*
|
|
* Written by Eryk Vershen
|
|
*/
|
|
|
|
/*
|
|
* Copyright 1996,1997 by Apple Computer, Inc.
|
|
* All Rights Reserved
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software and
|
|
* its documentation for any purpose and without fee is hereby granted,
|
|
* provided that the above copyright notice appears in all copies and
|
|
* that both the copyright notice and this permission notice appear in
|
|
* supporting documentation.
|
|
*
|
|
* APPLE COMPUTER DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
|
|
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE.
|
|
*
|
|
* IN NO EVENT SHALL APPLE COMPUTER BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
|
|
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
|
|
* LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
|
|
* NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
|
|
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
// for printf()
|
|
#include <stdio.h>
|
|
// for strlen()
|
|
#include <string.h>
|
|
#include "layout_dump.h"
|
|
|
|
|
|
/*
|
|
* Defines
|
|
*/
|
|
|
|
|
|
/*
|
|
* Types
|
|
*/
|
|
|
|
|
|
/*
|
|
* Global Constants
|
|
*/
|
|
unsigned char bitmasks[] = {
|
|
0x01, 0x03, 0x07, 0x0F,
|
|
0x1F, 0x3F, 0x7F, 0xFF
|
|
};
|
|
|
|
|
|
/*
|
|
* Global Variables
|
|
*/
|
|
|
|
|
|
/*
|
|
* Forward declarations
|
|
*/
|
|
|
|
|
|
/*
|
|
* Routines
|
|
*/
|
|
void
|
|
dump_using_layout(void *buffer, layout *desc)
|
|
{
|
|
layout *entry;
|
|
int byte_length;
|
|
long value;
|
|
int max_name;
|
|
int i;
|
|
|
|
max_name = 0;
|
|
for (entry = desc; entry->format != kEnd; entry++) {
|
|
value = strlen(entry->name);
|
|
if (value > max_name) {
|
|
max_name = value;
|
|
}
|
|
}
|
|
|
|
|
|
for (entry = desc; entry->format != kEnd; entry++) {
|
|
|
|
if (entry->format != kBit) {
|
|
printf("%*s: ", max_name, entry->name);
|
|
|
|
byte_length = entry->bit_length / 8;
|
|
|
|
if (entry->bit_offset != 0 || (entry->bit_length % 8) != 0) {
|
|
printf("entry %d, can't handle bitfields yet.\n", entry - desc);
|
|
continue;
|
|
}
|
|
|
|
value = 0;
|
|
for (i = entry->byte_offset; byte_length > 0;i++) {
|
|
value = value << 8;
|
|
value |= ((unsigned char *)buffer)[i];
|
|
byte_length--;
|
|
}
|
|
} else {
|
|
if (entry->bit_offset < 0 || entry->bit_offset > 8) {
|
|
printf("entry %d, bad bit offset (%d).\n", entry - desc, entry->bit_offset);
|
|
continue;
|
|
} else if (entry->bit_length <= 0
|
|
|| entry->bit_length > (entry->bit_offset + 1)) {
|
|
printf("entry %d, bad bit length (%d,%d).\n", entry - desc,
|
|
entry->bit_offset, entry->bit_length);
|
|
continue;
|
|
}
|
|
value = (((unsigned char *)buffer)[entry->byte_offset]
|
|
& bitmasks[entry->bit_offset])
|
|
>> ((entry->bit_offset + 1) - entry->bit_length);
|
|
}
|
|
|
|
switch (entry->format) {
|
|
case kHex:
|
|
printf("0x%x\n", value);
|
|
break;
|
|
case kDec:
|
|
byte_length = entry->bit_length / 8;
|
|
switch (byte_length) {
|
|
case 4: printf("%d\n", (signed long)value); break;
|
|
case 2: printf("%d\n", (signed short)value); break;
|
|
case 1: printf("%d\n", (signed char)value); break;
|
|
}
|
|
break;
|
|
case kUns:
|
|
byte_length = entry->bit_length / 8;
|
|
switch (byte_length) {
|
|
case 4: printf("%u\n", (unsigned long)value); break;
|
|
case 2: printf("%u\n", (unsigned short)value); break;
|
|
case 1: printf("%u\n", (unsigned char)value); break;
|
|
}
|
|
break;
|
|
case kBit:
|
|
if (value) {
|
|
printf("%*s %s\n", max_name, "", entry->name);
|
|
}
|
|
break;
|
|
default:
|
|
printf("entry %d, unknown format (%d).\n", entry - desc, entry->format);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
DumpRawBuffer(unsigned char *bufferPtr, int length )
|
|
{
|
|
register int i;
|
|
int lineStart;
|
|
int lineLength;
|
|
short c;
|
|
|
|
#define kLineSize 16
|
|
for (lineStart = 0; lineStart < length; lineStart += lineLength) {
|
|
lineLength = kLineSize;
|
|
if (lineStart + lineLength > length)
|
|
lineLength = length - lineStart;
|
|
printf("%03x %3d:", lineStart, lineStart);
|
|
for (i = 0; i < lineLength; i++)
|
|
printf(" %02x", bufferPtr[lineStart + i] & 0xFF);
|
|
for (; i < kLineSize; i++)
|
|
printf(" ");
|
|
printf(" ");
|
|
for (i = 0; i < lineLength; i++) {
|
|
c = bufferPtr[lineStart + i] & 0xFF;
|
|
if (c > ' ' && c < '~')
|
|
printf("%c", c);
|
|
else {
|
|
printf(".");
|
|
}
|
|
}
|
|
printf("\n");
|
|
}
|
|
}
|