LibC: Turn CRASH() into a function and add noreturn attribute

This way CRASH() can be used in functions that are themselves marked as noreturn.
Author: https://github.com/gunnarbeutner Commit: https://github.com/SerenityOS/serenity/commit/44486e88189 Pull-request: https://github.com/SerenityOS/serenity/pull/6276
2021-04-11 18:22:48 +02:00 · 2021-04-11 18:22:48 +02:00 · 44486e8818 · 2024-07-18 20:28:03 +09:00
commit 44486e8818
parent d5e1250061
2 changed files with 9 additions and 4 deletions
--- a/Userland/Libraries/LibC/assert.cpp
+++ b/Userland/Libraries/LibC/assert.cpp
@ -53,3 +53,9 @@ void __assertion_failed(const char* msg)
 }
 #endif
 }
+
+void __crash()
+{
+    asm volatile("ud2");
+    __builtin_unreachable();
+}
--- a/Userland/Libraries/LibC/assert.h
+++ b/Userland/Libraries/LibC/assert.h
@ -45,10 +45,9 @@ __attribute__((noreturn)) void __assertion_failed(const char* msg);
 #    define VERIFY_NOT_REACHED() CRASH()
 #endif

-#define CRASH()              \
-    do {                     \
-        asm volatile("ud2"); \
-    } while (0)
+__attribute__((noreturn)) void __crash();
+
+#define CRASH() __crash()
 #define VERIFY assert
 #define TODO VERIFY_NOT_REACHED