diff options
Diffstat (limited to 'libk/stdlib/abort.cc')
-rw-r--r-- | libk/stdlib/abort.cc | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libk/stdlib/abort.cc b/libk/stdlib/abort.cc new file mode 100644 index 0000000..56ca7ee --- /dev/null +++ b/libk/stdlib/abort.cc @@ -0,0 +1,15 @@ +#include "stdlib.h" + +void abort() { + /* + * On gcc, a 'while(true) {}' will infinitely loop + * but clang will optimize it away on -O2 if it's empty + * therefore, add no-op + */ + + asm volatile("cli"); + while (true) { + asm volatile("hlt"); + } + __builtin_unreachable(); +} |