/*********************************************************************
* ターゲット側メモリーを逆アセンブルする.
*********************************************************************
* int adr :ターゲット側のメモリーアドレス
* int arena :ターゲット側のメモリー種別(現在未使用)
* int cnt :読み取りサイズ.
*/
int UsbDisasm (int adr, int arena, int cnt)
{
unsigned char buf[16];
int size = 8;
int done = 0;
int endadr = adr + cnt;
int rc,disbytes;
code_buf_init();
while(adr < endadr) {
int rsize = check_region(adr,4);
if( rsize < 0) break;
#if USE_CODE_BUF
rc = code_buf_read(adr,size,buf); //メモリー内容の読み出し.
#else
rc = dumpmem(adr,AREA_PGMEM,size,buf); //メモリー内容の読み出し.
#endif
if(rc != size) return done;
disbytes = disasm_print(buf,size,adr); //結果印字.
adr += disbytes;
done+= disbytes;
}
return done;
}
/*********************************************************************
* ターゲット側メモリーを逆アセンブルする.
*********************************************************************
* int adr :ターゲット側のメモリーアドレス
* int arena :ターゲット側のメモリー種別(現在未使用)
* int cnt :読み取りサイズ.
*/
int UsbDisasm (int adr, int arena, int cnt)
{
unsigned char buf[16];
int size = 8;
int done = 0;
int endadr = adr + cnt;
int rc,disbytes;
while(adr < endadr) {
rc = dumpmem(adr,AREA_PGMEM,size,buf); //メモリー内容の読み出し.
if(rc != size) return done;
disbytes = disasm_print(buf,size,adr); //結果印字.
adr += disbytes;
done+= disbytes;
}
return done;
}
APR_DECLARE(apr_status_t) port_disasm_to_file(port_disassembler_t * disassembler,
const char * code,
unsigned int len,
apr_file_t * thefile) {
#if defined(_IA32_)
// check if nothing should be printed
if (disassembler->line_size == 0) {
return APR_SUCCESS;
}
if (disassembler->num_bytes_total == 0) {
// Calculate required number of bytes
disassembler->num_bytes_total = disassembler->line_size * BYTES_TOTAL / BYTES_PER_LINE;
// initialize stream
disassembler->real_stream = apr_palloc(disassembler->user_pool,
disassembler->num_bytes_total);
}
// initialize file
disassembler->user_file = thefile;
strcpy(disassembler->real_stream, "");
disassembler->fprintf_func = disasm_fprint_default;
disasm_print(disassembler, code, len);
// flush
apr_file_write(disassembler->user_file, disassembler->real_stream,
&disassembler->num_bytes_used);
apr_file_flush(disassembler->user_file);
disassembler->user_file = NULL;
disassembler->num_bytes_used = 0;
return APR_SUCCESS;
#else
return APR_ENOTIMPL;
#endif
}
APR_DECLARE(apr_status_t) port_disasm(port_disassembler_t * disassembler,
const char * code,
unsigned int len,
char ** disasm_code) {
#if defined(_IA32_)
// check if nothing should be printed
if (disassembler->line_size == 0) {
*disasm_code = NULL;
return APR_SUCCESS;
}
if (disassembler->num_bytes_total == 0) {
// Calculate required number of bytes
disassembler->num_bytes_total = disassembler->line_size * len / BYTES_PER_LINE;
// initialize stream
disassembler->real_stream = apr_palloc(disassembler->user_pool,
disassembler->num_bytes_total);
}
strcpy(disassembler->real_stream, "");
disassembler->fprintf_func = disasm_sprint_default;
disasm_print(disassembler, code, len);
*disasm_code = disassembler->real_stream;
disassembler->real_stream = NULL;
disassembler->num_bytes_total = 0;
disassembler->num_bytes_used = 0;
return APR_SUCCESS;
#else
return APR_ENOTIMPL;
#endif
}
