From 728024f9f3fc4f454c91cf29c169acb660a13c21 Mon Sep 17 00:00:00 2001 From: Andrew Kelley Date: Sun, 28 Jul 2024 23:53:06 -0700 Subject: start code: implement __init_array_start, __init_array_end --- lib/std/start.zig | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'lib/std/start.zig') diff --git a/lib/std/start.zig b/lib/std/start.zig index aeefbaffc0..7449d2d5bc 100644 --- a/lib/std/start.zig +++ b/lib/std/start.zig @@ -435,6 +435,22 @@ fn posixCallMainAndExit(argc_argv_ptr: [*]usize) callconv(.C) noreturn { // Here we look for the stack size in our program headers and use setrlimit // to ask for more stack space. expandStackSize(phdrs); + + { + const opt_init_array_start = @extern([*]*const fn () callconv(.C) void, .{ + .name = "__init_array_start", + .linkage = .weak, + }); + const opt_init_array_end = @extern([*]*const fn () callconv(.C) void, .{ + .name = "__init_array_end", + .linkage = .weak, + }); + if (opt_init_array_start) |init_array_start| { + const init_array_end = opt_init_array_end.?; + const slice = init_array_start[0 .. init_array_end - init_array_start]; + for (slice) |func| func(); + } + } } std.posix.exit(callMainWithArgs(argc, argv, envp)); -- cgit v1.2.3