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* compile.c (sim_resume): Watch for calls to abort.

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* run.c: #include <signal.h>.
	(main): Abort if program got SIGILL.
This commit is contained in:
David Edelsohn
1996-03-11 17:54:45 +00:00
parent 89a8a65d62
commit e656ecf90c
3 changed files with 83 additions and 10 deletions
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55
sim/h8300/compile.c
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@@ -17,13 +17,18 @@
* AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#include "config.h"
#include <signal.h>
#ifndef WIN32
#include <sys/times.h>
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include <sys/param.h>
#include "ansidecl.h"
#include "sysdep.h"
#include "callback.h"
#include "remote-sim.h"
#include "bfd.h"
@@ -79,13 +84,13 @@ static cpu_state_type cpu;
int h8300hmode = 0;
static int memory_size;
static int
get_now ()
{
#ifndef WIN32
struct tms b;
return time (0);
#endif
return 0;
@@ -665,10 +670,18 @@ init_pointers ()
init = 1;
littleendian.i = 1;
cpu.memory = (unsigned char *) calloc (sizeof (char), MSIZE);
cpu.cache_idx = (unsigned short *) calloc (sizeof (short), MSIZE);
if (h8300hmode)
memory_size = H8300H_MSIZE;
else
memory_size = H8300_MSIZE;
cpu.memory = (unsigned char *) calloc (sizeof (char), memory_size);
cpu.cache_idx = (unsigned short *) calloc (sizeof (short), memory_size);
/* `msize' must be a power of two */
if ((memory_size & (memory_size - 1)) != 0)
abort ();
cpu.mask = memory_size - 1;
cpu.mask = (1 << MPOWER) - 1;
for (i = 0; i < 9; i++)
{
cpu.regs[i] = 0;
@@ -1241,6 +1254,11 @@ sim_resume (step, siggnal)
cpu.exception = SIGILL;
goto end;
case O (O_SLEEP, SB):
if ((short) cpu.regs[0] == -255)
cpu.exception = SIGILL;
else
cpu.exception = SIGTRAP;
goto end;
case O (O_BPT, SB):
cpu.exception = SIGTRAP;
goto end;
@@ -1556,7 +1574,7 @@ sim_write (addr, buffer, size)
int i;
init_pointers ();
if (addr < 0 || addr + size > MSIZE)
if (addr < 0 || addr + size > memory_size)
return 0;
for (i = 0; i < size; i++)
{
@@ -1573,7 +1591,7 @@ sim_read (addr, buffer, size)
int size;
{
init_pointers ();
if (addr < 0 || addr + size > MSIZE)
if (addr < 0 || addr + size > memory_size)
return 0;
memcpy (buffer, cpu.memory + addr, size);
return size;
@@ -1816,3 +1834,20 @@ sim_create_inferior (start_address, argv, env)
{
cpu.pc = start_address;
}
void
sim_do_command (cmd)
char *cmd;
{
printf_filtered ("This simulator does not accept any commands.\n");
}
void
sim_set_callbacks (ptr)
struct host_callback_struct *ptr;
{
}