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Stub out [qQvV].* commands

This commit is contained in:
Jeffrey Pfau 2014-02-01 05:23:56 -08:00
parent 1c60ada7de
commit e4375fd3d9
1 changed files with 44 additions and 10 deletions
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54
src/debugger/gdb-stub.c
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@ -77,18 +77,20 @@ static void _sendMessage(struct GDBStub* stub) {
stub->lineAck = GDB_ACK_PENDING; stub->lineAck = GDB_ACK_PENDING;
} }
uint8_t checksum = 0; uint8_t checksum = 0;
int i; int i = 1;
char buffer = stub->outgoing[0]; char buffer = stub->outgoing[0];
char swap; char swap;
stub->outgoing[0] = '$'; stub->outgoing[0] = '$';
for (i = 1; i < GDB_STUB_MAX_LINE - 5; ++i) { if (buffer) {
checksum += buffer; for (; i < GDB_STUB_MAX_LINE - 5; ++i) {
swap = stub->outgoing[i]; checksum += buffer;
stub->outgoing[i] = buffer; swap = stub->outgoing[i];
buffer = swap; stub->outgoing[i] = buffer;
if (!buffer) { buffer = swap;
++i; if (!buffer) {
break; ++i;
break;
}
} }
} }
stub->outgoing[i] = '#'; stub->outgoing[i] = '#';
@ -166,7 +168,27 @@ static void _readRegister(struct GDBStub* stub, const char* message) {
return; return;
} }
_int2hex32(value, stub->outgoing); _int2hex32(value, stub->outgoing);
stub->outgoing[8] = 0; stub->outgoing[8] = '\0';
_sendMessage(stub);
}
static void _processQMinCommand(struct GDBStub* stub, const char* message) {
stub->outgoing[0] = '\0';
_sendMessage(stub);
}
static void _processQMajCommand(struct GDBStub* stub, const char* message) {
stub->outgoing[0] = '\0';
_sendMessage(stub);
}
static void _processVMajCommand(struct GDBStub* stub, const char* message) {
stub->outgoing[0] = '\0';
_sendMessage(stub);
}
static void _processVMinCommand(struct GDBStub* stub, const char* message) {
stub->outgoing[0] = '\0';
_sendMessage(stub); _sendMessage(stub);
} }
@ -228,6 +250,18 @@ size_t _parseGDBMessage(struct GDBStub* stub, const char* message) {
case 'p': case 'p':
_readRegister(stub, message); _readRegister(stub, message);
break; break;
case 'Q':
_processQMajCommand(stub, message);
break;
case 'q':
_processQMinCommand(stub, message);
break;
case 'V':
_processVMajCommand(stub, message);
break;
case 'v':
_processVMinCommand(stub, message);
break;
default: default:
_error(stub, GDB_UNSUPPORTED_COMMAND); _error(stub, GDB_UNSUPPORTED_COMMAND);
break; break;