From 0ba7451e3a0a5b6a1d88a39c79bd13f462ee1a4b Mon Sep 17 00:00:00 2001
From: Jeffrey Pfau <jeffrey@endrift.com>
Date: Thu, 18 Apr 2013 01:52:46 -0700
Subject: [PATCH] Install SIGINT signal handler for debugger

---
 src/debugger/debugger.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/debugger/debugger.c b/src/debugger/debugger.c
index 6f850eabf..651ae6f5e 100644
--- a/src/debugger/debugger.c
+++ b/src/debugger/debugger.c
@@ -30,6 +30,8 @@ struct DebugBreakpoint {
 
 static const char* ERROR_MISSING_ARGS = "Arguments missing";
 
+static struct ARMDebugger* _activeDebugger;
+
 typedef void (DebuggerComamnd)(struct ARMDebugger*, struct DebugVector*);
 
 static void _breakInto(struct ARMDebugger*, struct DebugVector*);
@@ -44,6 +46,8 @@ static void _readHalfword(struct ARMDebugger*, struct DebugVector*);
 static void _readWord(struct ARMDebugger*, struct DebugVector*);
 static void _setBreakpoint(struct ARMDebugger*, struct DebugVector*);
 
+static void _breakIntoDefault(int signal);
+
 struct {
 	const char* name;
 	DebuggerComamnd* command;
@@ -217,6 +221,11 @@ static void _checkBreakpoints(struct ARMDebugger* debugger) {
 	}
 }
 
+static void _breakIntoDefault(int signal) {
+	(void)(signal);
+	_activeDebugger->state = DEBUGGER_PAUSED;
+}
+
 enum _DVParseState {
 	PARSE_ERROR = -1,
 	PARSE_ROOT = 0,
@@ -523,6 +532,8 @@ void ARMDebuggerInit(struct ARMDebugger* debugger, struct ARMCore* cpu) {
 	debugger->state = DEBUGGER_PAUSED;
 	debugger->lastCommand = 0;
 	debugger->breakpoints = 0;
+	_activeDebugger = debugger;
+	signal(SIGINT, _breakIntoDefault);
 }
 
 void ARMDebuggerRun(struct ARMDebugger* debugger) {