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Add memory reading commands to debugger

This commit is contained in:
Jeffrey Pfau 2013-04-13 01:36:01 -07:00
parent 5465543acc
commit 5094b7717a
1 changed files with 40 additions and 2 deletions
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42
src/debugger.c
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@ -23,26 +23,34 @@ struct DebugVector {
};
};
static const char* ERROR_MISSING_ARGS = "Arguments missing";
typedef void (DebuggerComamnd)(struct ARMDebugger*, struct DebugVector*);
static void _breakInto(struct ARMDebugger*, struct DebugVector*);
static void _print(struct ARMDebugger*, struct DebugVector*);
static void _printHex(struct ARMDebugger*, struct DebugVector*);
static void _printStatus(struct ARMDebugger*, struct DebugVector*);
static void _readByte(struct ARMDebugger*, struct DebugVector*);
static void _readHalfword(struct ARMDebugger*, struct DebugVector*);
static void _readWord(struct ARMDebugger*, struct DebugVector*);
static void _quit(struct ARMDebugger*, struct DebugVector*);
struct {
const char* name;
DebuggerComamnd* command;
} debuggerCommands[] = {
{ "i", _printStatus },
{ "info", _printStatus },
{ "p", _print },
{ "print", _print },
{ "p/x", _printHex },
{ "print/x", _printHex },
{ "i", _printStatus },
{ "info", _printStatus },
{ "q", _quit },
{ "quit", _quit },
{ "rb", _readByte },
{ "rh", _readHalfword },
{ "rw", _readWord },
{ "status", _printStatus },
{ "x", _breakInto },
{ 0, 0 }
@ -125,6 +133,36 @@ static void _quit(struct ARMDebugger* debugger, struct DebugVector* dv) {
debugger->state = DEBUGGER_EXITING;
}
static void _readByte(struct ARMDebugger* debugger, struct DebugVector* dv) {
if (!dv || dv->type != INT_TYPE) {
printf("%s\n", ERROR_MISSING_ARGS);
return;
}
uint32_t address = dv->intValue;
uint8_t value = debugger->cpu->memory->loadU8(debugger->cpu->memory, address);
printf(" 0x%02X\n", value);
}
static void _readHalfword(struct ARMDebugger* debugger, struct DebugVector* dv) {
if (!dv || dv->type != INT_TYPE) {
printf("%s\n", ERROR_MISSING_ARGS);
return;
}
uint32_t address = dv->intValue;
uint16_t value = debugger->cpu->memory->loadU16(debugger->cpu->memory, address);
printf(" 0x%04X\n", value);
}
static void _readWord(struct ARMDebugger* debugger, struct DebugVector* dv) {
if (!dv || dv->type != INT_TYPE) {
printf("%s\n", ERROR_MISSING_ARGS);
return;
}
uint32_t address = dv->intValue;
uint32_t value = debugger->cpu->memory->load32(debugger->cpu->memory, address);
printf(" 0x%08X\n", value);
}
enum _DVParseState {
PARSE_ERROR = -1,
PARSE_ROOT = 0,