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std.os.windows.tls: Slightly improve type safety.

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Alex Rønne Petersen 2024-08-03 19:56:42 +02:00
parent c2fcdc21c2
commit 0f1db90198
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1 changed files with 6 additions and 5 deletions
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11
lib/std/os/windows/tls.zig
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@ -1,11 +1,12 @@
const std = @import("std");
const builtin = @import("builtin");
const windows = std.os.windows;
export var _tls_index: u32 = std.os.windows.TLS_OUT_OF_INDEXES;
export var _tls_start: ?*anyopaque linksection(".tls") = null;
export var _tls_end: ?*anyopaque linksection(".tls$ZZZ") = null;
export var __xl_a: std.os.windows.PIMAGE_TLS_CALLBACK linksection(".CRT$XLA") = null;
export var __xl_z: std.os.windows.PIMAGE_TLS_CALLBACK linksection(".CRT$XLZ") = null;
export var __xl_a: windows.PIMAGE_TLS_CALLBACK linksection(".CRT$XLA") = null;
export var __xl_z: windows.PIMAGE_TLS_CALLBACK linksection(".CRT$XLZ") = null;
comptime {
if (builtin.target.cpu.arch == .x86 and builtin.zig_backend != .stage2_c) {
@ -33,8 +34,8 @@ comptime {
pub const IMAGE_TLS_DIRECTORY = extern struct {
StartAddressOfRawData: *?*anyopaque,
EndAddressOfRawData: *?*anyopaque,
AddressOfIndex: *anyopaque,
AddressOfCallBacks: *anyopaque,
AddressOfIndex: *u32,
AddressOfCallBacks: *windows.PIMAGE_TLS_CALLBACK,
SizeOfZeroFill: u32,
Characteristics: u32,
};
@ -42,7 +43,7 @@ export const _tls_used linksection(".rdata$T") = IMAGE_TLS_DIRECTORY{
.StartAddressOfRawData = &_tls_start,
.EndAddressOfRawData = &_tls_end,
.AddressOfIndex = &_tls_index,
.AddressOfCallBacks = @as(*anyopaque, @ptrCast(&__xl_a)),
.AddressOfCallBacks = &__xl_a,
.SizeOfZeroFill = 0,
.Characteristics = 0,
};