From 03f92cacce1185b0ad9d919775eb6acb016e8dbb Mon Sep 17 00:00:00 2001
From: Ingo Weinhold <ingo_weinhold@gmx.de>
Date: Sat, 12 Mar 2005 21:37:01 +0000
Subject: [PATCH] Added new function get_debug_exception_string(). Refactored a
 bit.

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@11702 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/kernel/libroot/os/debug.c | 93 +++++++++++++++++++++--------------
 1 file changed, 57 insertions(+), 36 deletions(-)

diff --git a/src/kernel/libroot/os/debug.c b/src/kernel/libroot/os/debug.c
index d418c60acc..71deed13c2 100644
--- a/src/kernel/libroot/os/debug.c
+++ b/src/kernel/libroot/os/debug.c
@@ -13,6 +13,40 @@
 #include <string.h>
 
 
+static const char *const sDebugWhyStrings[] = {
+	"Thread not running",		// B_THREAD_NOT_RUNNING
+	"Signal received",			// B_SIGNAL_RECEIVED
+	"Team created",				// B_TEAM_CREATED
+	"Thread created",			// B_THREAD_CREATED
+	"Image created",			// B_IMAGE_CREATED
+	"Image deleted",			// B_IMAGE_DELETED
+	"Debugger call",			// B_DEBUGGER_CALL
+	"Breakpoint hit",			// B_BREAKPOINT_HIT
+	"watchpoint hit",			// B_WATCHPOINT_HIT
+	"Before syscall",			// B_PRE_SYSCALL_HIT
+	"After syscall",			// B_POST_SYSCALL_HIT
+	"Single step",				// B_SINGLE_STEP
+};
+static const int32 sDebugWhyStringCount = B_SINGLE_STEP + 1;
+
+static const char *const sDebugExceptionTypeStrings[] = {
+	"Non-maskable interrupt",	// B_NMI
+	"Machine check exception",	// B_MACHINE_CHECK_EXCEPTION
+	"Segment violation",		// B_SEGMENT_VIOLATION
+	"Alignment exception",		// B_ALIGNMENT_EXCEPTION
+	"Divide error",				// B_DIVIDE_ERROR
+	"Overflow exception",		// B_OVERFLOW_EXCEPTION
+	"Bounds check exception",	// B_BOUNDS_CHECK_EXCEPTION
+	"Invalid opcode exception",	// B_INVALID_OPCODE_EXCEPTION
+	"Segment not present",		// B_SEGMENT_NOT_PRESENT
+	"Stack fault",				// B_STACK_FAULT
+	"General protection fault",	// B_GENERAL_PROTECTION_FAULT
+	"Floating point exception",	// B_FLOATING_POINT_EXCEPTION
+};
+static const int32 sDebugExceptionTypeStringCount
+	= B_FLOATING_POINT_EXCEPTION + 1;
+
+
 void
 debugger(const char *message)
 {
@@ -70,47 +104,34 @@ wait_for_debugger(void)
 }
 
 
-static const char *const sDebugWhyStrings[] = {
-	"Thread not running",		// B_THREAD_NOT_RUNNING
-	"Signal received",			// B_SIGNAL_RECEIVED
-	"Team created",				// B_TEAM_CREATED
-	"Thread created",			// B_THREAD_CREATED
-	"Image created",			// B_IMAGE_CREATED
-	"Image deleted",			// B_IMAGE_DELETED
-	"Debugger call",			// B_DEBUGGER_CALL
-	"Breakpoint hit",			// B_BREAKPOINT_HIT
-	"watchpoint hit",			// B_WATCHPOINT_HIT
-	"Before syscall",			// B_PRE_SYSCALL_HIT
-	"After syscall",			// B_POST_SYSCALL_HIT
-	"Single step",				// B_SINGLE_STEP
-
-	"Non-masked interrupt",		// B_NMI
-	"Machine check exception",	// B_MACHINE_CHECK_EXCEPTION
-	"Segment violation",		// B_SEGMENT_VIOLATION
-	"Alignment exception",		// B_ALIGNMENT_EXCEPTION
-	"Divide error",				// B_DIVIDE_ERROR
-	"Overflow exception",		// B_OVERFLOW_EXCEPTION
-	"Bounds check exception",	// B_BOUNDS_CHECK_EXCEPTION
-	"Invalid opcode exception",	// B_INVALID_OPCODE_EXCEPTION
-	"Segment not present",		// B_SEGMENT_NOT_PRESENT
-	"Stack fault",				// B_STACK_FAULT
-	"General protection fault",	// B_GENERAL_PROTECTION_FAULT
-	"Floating point exception",	// B_FLOATING_POINT_EXCEPTION
-};
-static const int32 sDebugWhyStringCount = B_FLOATING_POINT_EXCEPTION + 1;
-
-
-void
-get_why_stopped_string(debug_why_stopped whyStopped, char *buffer,
-	int32 bufferSize)
+static void
+get_debug_string(const char *const *strings, int32 stringCount,
+	const char *defaultString, int32 index, char *buffer, int32 bufferSize)
 {
 	if (!buffer || bufferSize <= 0)
 		return;
 
-	if ((int32)whyStopped >= 0 && (int32)whyStopped < sDebugWhyStringCount)
-		strlcpy(buffer, sDebugWhyStrings[whyStopped], bufferSize);
+	if ((int32)index >= 0 && (int32)index < stringCount)
+		strlcpy(buffer, strings[index], bufferSize);
 	else
-		snprintf(buffer, bufferSize, "Unknown reason %ld", (int32)whyStopped);
+		snprintf(buffer, bufferSize, defaultString, index);
+}
+
+
+void
+get_debug_why_stopped_string(debug_why_stopped whyStopped, char *buffer,
+	int32 bufferSize)
+{
+	get_debug_string(sDebugWhyStrings, sDebugWhyStringCount,
+		"Unknown reason %ld", (int32)whyStopped, buffer, bufferSize);
+}
+
+void
+get_debug_exception_string(debug_exception_type exception, char *buffer,
+	int32 bufferSize)
+{
+	get_debug_string(sDebugExceptionTypeStrings, sDebugExceptionTypeStringCount,
+		"Unknown exception %ld", (int32)exception, buffer, bufferSize);
 }