ShuriZma
/
mgba
mirror of https://github.com/mgba-emu/mgba.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Command to break into attached debugger

This commit is contained in:
Jeffrey Pfau 2013-04-12 21:27:43 -07:00
parent a7bc99c846
commit b5182915d7
1 changed files with 16 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/debugger.c
View File

@ -2,14 +2,17 @@
#include "arm.h"
#include <signal.h>
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <strings.h>
#include <unistd.h>
#include "linenoise.h"
typedef void (DebuggerComamnd)(struct ARMDebugger*);
static void _breakInto(struct ARMDebugger*);
static void _printStatus(struct ARMDebugger*);
static void _quit(struct ARMDebugger*);
@ -22,6 +25,7 @@ struct {
{ "q", _quit },
{ "quit", _quit },
{ "status", _printStatus },
{ "x", _breakInto },
{ 0, 0 }
};
@ -36,6 +40,18 @@ static inline void _printPSR(union PSR psr) {
psr.t ? 'T' : '-');
}
static void _handleDeath(int sig) {
(void)(sig);
printf("No debugger attached!\n");
}
static void _breakInto(struct ARMDebugger* debugger) {
(void)(debugger);
sig_t oldSignal = signal(SIGTRAP, _handleDeath);
kill(getpid(), SIGTRAP);
signal(SIGTRAP, oldSignal);
}
static void _printStatus(struct ARMDebugger* debugger) {
int r;
for (r = 0; r < 4; ++r) {