mirror of https://github.com/ctm/syn68k.git
84 lines
1.6 KiB
C
84 lines
1.6 KiB
C
#include "diagnostics.h"
|
|
#include "deathqueue.h"
|
|
|
|
void
|
|
print_cc_bits (FILE *stream, int bits)
|
|
{
|
|
int i;
|
|
|
|
for (i = 4; i >= 0; i--)
|
|
if (bits & (1 << i))
|
|
putc ("ZXVNC"[i], stream);
|
|
else putc ('-', stream);
|
|
}
|
|
|
|
|
|
void
|
|
hexdump (const uint16 *addr, int num_words)
|
|
{
|
|
while (num_words--)
|
|
printf ("\t0x%04X\n", (unsigned) *addr++);
|
|
}
|
|
|
|
|
|
void
|
|
dump_cpu_state (void)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < 16; i++)
|
|
{
|
|
|
|
#if !defined(__alpha)
|
|
printf ("%c%d = 0x%08lX ", "da"[i >> 3], i % 8, cpu_state.regs[i].ul.n);
|
|
#else
|
|
printf ("%c%d = 0x%08X ", "da"[i >> 3], i % 8, cpu_state.regs[i].ul.n);
|
|
#endif
|
|
|
|
if ((i & 3) == 3)
|
|
fputs ("\n\t", stdout);
|
|
}
|
|
printf ("c:%d n:%d v:%d x:%d z:%d\n",
|
|
!!cpu_state.ccc, !!cpu_state.ccn, !!cpu_state.ccv, !!cpu_state.ccx,
|
|
!cpu_state.ccnz);
|
|
putchar ('\n');
|
|
}
|
|
|
|
|
|
/* Given a PC (either synthetic or native), tries to find the m68k
|
|
* block corresponding to that PC and prints it out. For debugging.
|
|
*/
|
|
void
|
|
m68kaddr (const uint16 *pc)
|
|
{
|
|
const Block *b, *best_block;
|
|
unsigned long best_error;
|
|
|
|
best_error = 0xFFFFFFFF;
|
|
best_block = NULL;
|
|
for (b = death_queue_head; b != NULL; b = b->death_queue_next)
|
|
{
|
|
if (b->compiled_code <= pc)
|
|
{
|
|
unsigned long error = pc - b->compiled_code;
|
|
if (error < best_error)
|
|
{
|
|
best_error = error;
|
|
best_block = b;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (best_block == NULL)
|
|
{
|
|
puts ("No matching m68k block found.");
|
|
}
|
|
else
|
|
{
|
|
printf ("Best guess m68k block start address 0x%lx, offset %lu bytes, "
|
|
"block (Block *)%p\n",
|
|
(unsigned long) best_block->m68k_start_address,
|
|
best_error, (void *) best_block);
|
|
}
|
|
}
|