59 lines
914 B
C
59 lines
914 B
C
#include <stdio.h>
|
|
#include "defs.h"
|
|
|
|
/* an easy to debug H8 stack frame looks like:
|
|
0x6df2 push r2
|
|
0x6df3 push r3
|
|
0x6df6 push r6
|
|
0x mov.w r7,r6
|
|
subs stuff,sp mov.w #x,r5
|
|
subs r5,sp
|
|
|
|
*/
|
|
#define IS_PUSH(x) ((x & 0xff00)==0x6d00)
|
|
CORE_ADDR h8300_skip_prologue(start_pc)
|
|
CORE_ADDR start_pc;
|
|
|
|
{
|
|
/* Skip past all push insns */
|
|
short int w;
|
|
|
|
w = read_memory_integer(start_pc, 2);
|
|
while (IS_PUSH(w))
|
|
{
|
|
start_pc+=2;
|
|
w = read_memory_integer(start_pc, 2);
|
|
}
|
|
return start_pc;
|
|
|
|
}
|
|
|
|
h8300_pop_frame()
|
|
{
|
|
printf("pop frame\n");
|
|
|
|
}
|
|
|
|
int
|
|
print_insn(memaddr, stream)
|
|
CORE_ADDR memaddr;
|
|
FILE *stream;
|
|
{
|
|
/* Nothing is bigger than 8 bytes */
|
|
char data[8];
|
|
read_memory (memaddr, data, sizeof(data));
|
|
return print_insn_h8300(memaddr, data , stream);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
FRAME_CHAIN()
|
|
{
|
|
|
|
printf("Frame chain\n");
|
|
|
|
}
|
|
|
|
|