liblinux++

commit 5e873cd7c3214b4ed864d9b401c90ada53dfa7a8
parent 8f03e8f444bc682ee4c7ef819c0662783229bd1a
Author: Henry Wilson <henry@henryandlizzy.uk>
Date:   Sat,  3 Jan 2026 14:02:49 +0000

C++23 and support functions

Diffstat:
M
Tupfile
 | 
2
+-
M
linux.hpp
 | 
17
+++++++++++++++++

2 files changed, 18 insertions(+), 1 deletion(-)
diff --git a/Tupfile b/Tupfile
@@ -1,4 +1,4 @@
-CXXFLAGS = -Werror -g -Os -fno-exceptions -fno-rtti -fno-asynchronous-unwind-tables -fno-builtin -fno-pic -fno-pie -fno-stack-protector -fdiagnostics-color=always
+CXXFLAGS = -std=c++23 -Werror -g -fno-exceptions -fno-rtti -fno-asynchronous-unwind-tables -fno-builtin -fno-pic -fno-pie -fno-stack-protector -fdiagnostics-color=always
 LDFLAGS = --gc-sections
 
 : foreach *.cpp |> clang++ --target=aarch64 $(CXXFLAGS) -c -o %o %f |> obj/%B.aarch64.o {objs-aarch64}
diff --git a/linux.hpp b/linux.hpp
@@ -196,3 +196,20 @@ enum class unlink_flags : int
 };
 
 extern syscall_result<void> unlinkat(file dir, c_str path, unlink_flags flags);
+
+extern "C"
+{
+
+void memset(char* p, size_t n, char c)
+{
+	char* const end = p + n;
+	while (p != end)
+		*p++ = c;
+}
+
+void __cxa_pure_virtual()
+{
+	__builtin_trap();
+}
+
+}