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