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fallback to zigs DynLib when static linking musl

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xdBronch 2023-12-05 08:21:53 -05:00 committed by Veikka Tuominen
parent 6ebeb85abd
commit 15f7a477d0
1 changed files with 11 additions and 8 deletions
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19
lib/std/dynamic_library.zig
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@ -8,9 +8,12 @@ const windows = std.os.windows;
const system = std.os.system;
pub const DynLib = switch (builtin.os.tag) {
.linux => if (builtin.link_libc) DlDynlib else ElfDynLib,
.linux => if (!builtin.link_libc or builtin.abi == .musl and builtin.link_mode == .Static)
ElfDynLib
else
DlDynLib,
.windows => WindowsDynLib,
.macos, .tvos, .watchos, .ios, .freebsd, .netbsd, .openbsd, .dragonfly, .solaris, .illumos => DlDynlib,
.macos, .tvos, .watchos, .ios, .freebsd, .netbsd, .openbsd, .dragonfly, .solaris, .illumos => DlDynLib,
else => void,
};
@ -352,30 +355,30 @@ pub const WindowsDynLib = struct {
}
};
pub const DlDynlib = struct {
pub const DlDynLib = struct {
pub const Error = error{FileNotFound};
handle: *anyopaque,
pub fn open(path: []const u8) !DlDynlib {
pub fn open(path: []const u8) !DlDynLib {
const path_c = try os.toPosixPath(path);
return openZ(&path_c);
}
pub fn openZ(path_c: [*:0]const u8) !DlDynlib {
return DlDynlib{
pub fn openZ(path_c: [*:0]const u8) !DlDynLib {
return DlDynLib{
.handle = system.dlopen(path_c, system.RTLD.LAZY) orelse {
return error.FileNotFound;
},
};
}
pub fn close(self: *DlDynlib) void {
pub fn close(self: *DlDynLib) void {
_ = system.dlclose(self.handle);
self.* = undefined;
}
pub fn lookup(self: *DlDynlib, comptime T: type, name: [:0]const u8) ?T {
pub fn lookup(self: *DlDynLib, comptime T: type, name: [:0]const u8) ?T {
// dlsym (and other dl-functions) secretly take shadow parameter - return address on stack
// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66826
if (@call(.never_tail, system.dlsym, .{ self.handle, name.ptr })) |symbol| {