int stub_main(int arch_reason)
{
int ret;
int gdb_signal;
gdb_signal = decode_signal(arch_reason);
/* Do not announce stop reply if we were detached. */
if (isattached) {
send_stop_reply(gdb_signal);
}
/* We are now attached. */
isattached = 1;
do {
int cmd;
char *p;
while (getpkt(&pktbuf[0], sizeof(pktbuf)) < 1);
p = &pktbuf[0];
cmd = *p;
if ('?' == cmd) {
send_stop_reply(gdb_signal);
ret = 0;
} else if ('c' == cmd) {
ret = handle_c(p);
} else if ('s' == cmd) {
ret = handle_s(p);
} else if ('D' == cmd) {
ret = handle_D(p);
if (ret & CMD_LEAVE) {
isattached = 0;
}
} else if ('g' == cmd) {
ret = handle_g(p);
} else if ('G' == cmd) {
ret = handle_G(p);
} else if ('P' == cmd) {
ret = handle_P(p);
} else if ('m' == cmd) {
ret = handle_m(p);
} else if ('M' == cmd) {
ret = handle_M(p);
} else {
/*
* For any command not supported by the stub, an empty
* response ('$#00') should be returned.
*/
p = "";
ret = CMD_REPLY;
}
if (ret & CMD_REPLY) {
putpkt(p);
}
} while (!(ret & CMD_LEAVE));
return ret;
}
int gdbr_write_register(libgdbr_t* g, int index, char* value, int len) {
char command[255] = {};
int ret = snprintf (command, 255, "%s%d=", CMD_WRITEREG, index);
memcpy(command + ret, value, len);
pack_hex (value, len, (command + ret));
if (send_command (g, command) < 0) return -1;
if (read_packet (g) > 0) {
parse_packet (g, 0);
handle_P (g);
}
return 0;
}
int gdbr_write_register(libgdbr_t *g, int index, char *value, int len) {
int ret;
char command[255] = { 0 };
if (!g) {
return -1;
}
reg_cache.valid = false;
ret = snprintf (command, 255, "%s%d=", CMD_WRITEREG, index);
memcpy (command + ret, value, len);
pack_hex (value, len, (command + ret));
if (send_msg (g, command) < 0) {
return -1;
}
if (read_packet (g) >= 0) {
handle_P (g);
}
return 0;
}
