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CLI debugger help

This commit is contained in:
Jeffrey Pfau 2014-09-02 09:55:05 -07:00
parent 9cdc93eeed
commit 232ae47a6c
1 changed files with 54 additions and 32 deletions
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86
src/debugger/cli-debugger.c
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@ -37,6 +37,7 @@ static void _print(struct CLIDebugger*, struct DebugVector*);
static void _printBin(struct CLIDebugger*, struct DebugVector*); static void _printBin(struct CLIDebugger*, struct DebugVector*);
static void _printHex(struct CLIDebugger*, struct DebugVector*); static void _printHex(struct CLIDebugger*, struct DebugVector*);
static void _printStatus(struct CLIDebugger*, struct DebugVector*); static void _printStatus(struct CLIDebugger*, struct DebugVector*);
static void _printHelp(struct CLIDebugger*, struct DebugVector*);
static void _quit(struct CLIDebugger*, struct DebugVector*); static void _quit(struct CLIDebugger*, struct DebugVector*);
static void _readByte(struct CLIDebugger*, struct DebugVector*); static void _readByte(struct CLIDebugger*, struct DebugVector*);
static void _readHalfword(struct CLIDebugger*, struct DebugVector*); static void _readHalfword(struct CLIDebugger*, struct DebugVector*);
@ -52,39 +53,42 @@ static void _printLine(struct CLIDebugger* debugger, uint32_t address, enum Exec
static struct { static struct {
const char* name; const char* name;
DebuggerCommand* command; DebuggerCommand* command;
const char* summary;
} _debuggerCommands[] = { } _debuggerCommands[] = {
{ "b", _setBreakpoint }, { "b", _setBreakpoint, "Set a breakpoint" },
{ "break", _setBreakpoint }, { "break", _setBreakpoint, "Set a breakpoint" },
{ "c", _continue }, { "c", _continue, "Continue execution" },
{ "continue", _continue }, { "continue", _continue, "Continue execution" },
{ "d", _clearBreakpoint }, { "d", _clearBreakpoint, "Delete a breakpoint" },
{ "delete", _clearBreakpoint }, { "delete", _clearBreakpoint, "Delete a breakpoint" },
{ "dis", _disassemble }, { "dis", _disassemble, "Disassemble instructions" },
{ "dis/a", _disassembleArm }, { "dis/a", _disassembleArm, "Disassemble instructions as ARM" },
{ "dis/t", _disassembleThumb }, { "dis/t", _disassembleThumb, "Disassemble instructions as Thumb" },
{ "disasm", _disassemble }, { "disasm", _disassemble, "Disassemble instructions" },
{ "disasm/a", _disassembleArm }, { "disasm/a", _disassembleArm, "Disassemble instructions as ARM" },
{ "disasm/t", _disassembleThumb }, { "disasm/t", _disassembleThumb, "Disassemble instructions as Thumb" },
{ "i", _printStatus }, { "h", _printHelp, "Print help" },
{ "info", _printStatus }, { "help", _printHelp, "Print help" },
{ "n", _next }, { "i", _printStatus, "Print the current status" },
{ "next", _next }, { "info", _printStatus, "Print the current status" },
{ "p", _print }, { "n", _next, "Execute next instruction" },
{ "p/t", _printBin }, { "next", _next, "Execute next instruction" },
{ "p/x", _printHex }, { "p", _print, "Print a value" },
{ "print", _print }, { "p/t", _printBin, "Print a value as binary" },
{ "print/t", _printBin }, { "p/x", _printHex, "Print a value as hexadecimal" },
{ "print/x", _printHex }, { "print", _print, "Print a value" },
{ "q", _quit }, { "print/t", _printBin, "Print a value as binary" },
{ "quit", _quit }, { "print/x", _printHex, "Print a value as hexadecimal" },
{ "rb", _readByte }, { "q", _quit, "Quit the emulator" },
{ "rh", _readHalfword }, { "quit", _quit, "Quit the emulator" },
{ "rw", _readWord }, { "rb", _readByte, "Read a byte from a specified offset" },
{ "status", _printStatus }, { "rh", _readHalfword, "Read a halfword from a specified offset" },
{ "w", _setWatchpoint }, { "rw", _readWord, "Read a word from a specified offset" },
{ "watch", _setWatchpoint }, { "status", _printStatus, "Print the current status" },
{ "x", _breakInto }, { "w", _setWatchpoint, "Set a watchpoint" },
{ 0, 0 } { "watch", _setWatchpoint, "Set a watchpoint" },
{ "x", _breakInto, "Break into attached debugger (for developers)" },
{ 0, 0, 0 }
}; };
static inline void _printPSR(union PSR psr) { static inline void _printPSR(union PSR psr) {
@ -203,6 +207,24 @@ static void _printHex(struct CLIDebugger* debugger, struct DebugVector* dv) {
printf("\n"); printf("\n");
} }
static void _printHelp(struct CLIDebugger* debugger, struct DebugVector* dv) {
UNUSED(debugger);
UNUSED(dv);
if (!dv) {
int i;
for (i = 0; _debuggerCommands[i].name; ++i) {
printf("%-10s %s\n", _debuggerCommands[i].name, _debuggerCommands[i].summary);
}
} else {
int i;
for (i = 0; _debuggerCommands[i].name; ++i) {
if (strcmp(_debuggerCommands[i].name, dv->charValue) == 0) {
printf("%-10s %s\n", _debuggerCommands[i].name, _debuggerCommands[i].summary);
}
}
}
}
static inline void _printLine(struct CLIDebugger* debugger, uint32_t address, enum ExecutionMode mode) { static inline void _printLine(struct CLIDebugger* debugger, uint32_t address, enum ExecutionMode mode) {
char disassembly[48]; char disassembly[48];
struct ARMInstructionInfo info; struct ARMInstructionInfo info;