Userland: Trap debugger when assertion fails

Userland/LibC/assert.c

@@ -1,9 +1,6 @@
 #include <assert.h>
-#include <stdlib.h>
-#include <stdio.h>
 
-void assert_failed(const char *condition, const char *filename, size_t line)
+void breakpoint(const char *filename, size_t line)
 {
-    printf("assert(%s) failed\n%s:%zu\n", condition, filename, line);
-    abort();
+    asm volatile("bkpt #0");
 }

Userland/LibC/assert.h

@@ -1,5 +1,8 @@
 #pragma once
 
-#include <stdlib.h>
+#include <sys/types.h>
 
-#define assert(...) ((__VA_ARGS__) ? (void)0 : abort())
+__attribute__((noinline))
+void breakpoint(const char *filename, size_t line);
+
+#define assert(condition) ((condition) ? (void)0 : breakpoint(__FILE__, __LINE__))