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Merge pull request #23923 from alexrp/compiler-rt-symbols

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Use hidden visibility in compiler-rt and libzigc except when testing
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Alex Rønne Petersen 2025-05-20 07:48:35 +02:00 • committed by GitHub
commit d000e53b29
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GPG key ID: B5690EEEBB952194
10 changed files with 141 additions and 133 deletions
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3
build.zig
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@ -437,7 +437,8 @@ pub fn build(b: *std.Build) !void {
.skip_non_native = skip_non_native, .skip_non_native = skip_non_native,
.skip_libc = skip_libc, .skip_libc = skip_libc,
.use_llvm = use_llvm, .use_llvm = use_llvm,
.max_rss = 2 * 1024 * 1024 * 1024, // 2262585344 was observed on an x86_64-linux-gnu host.
.max_rss = 2488843878,
})); }));
test_modules_step.dependOn(tests.addModuleTests(b, .{ test_modules_step.dependOn(tests.addModuleTests(b, .{

2
lib/c/common.zig
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@ -9,7 +9,7 @@ else
/// Determines the symbol's visibility to other objects. /// Determines the symbol's visibility to other objects.
/// For WebAssembly this allows the symbol to be resolved to other modules, but will not /// For WebAssembly this allows the symbol to be resolved to other modules, but will not
/// export it to the host runtime. /// export it to the host runtime.
pub const visibility: std.builtin.SymbolVisibility = if (builtin.cpu.arch.isWasm() and linkage != .internal) pub const visibility: std.builtin.SymbolVisibility = if (linkage != .internal)
.hidden .hidden
else else
.default; .default;

202
lib/compiler_rt/aarch64_outline_atomics.zig
View file

@ -1,7 +1,7 @@
//! This file is generated by tools/gen_outline_atomics.zig. //! This file is generated by tools/gen_outline_atomics.zig.
const builtin = @import("builtin"); const builtin = @import("builtin");
const std = @import("std"); const std = @import("std");
const linkage = @import("./common.zig").linkage; const common = @import("common.zig");
const always_has_lse = std.Target.aarch64.featureSetHas(builtin.cpu.features, .lse); const always_has_lse = std.Target.aarch64.featureSetHas(builtin.cpu.features, .lse);
/// This default is overridden at runtime after inspecting CPU properties. /// This default is overridden at runtime after inspecting CPU properties.
@ -2124,104 +2124,104 @@ fn __aarch64_cas16_acq_rel() align(16) callconv(.naked) void {
} }
comptime { comptime {
@export(&__aarch64_cas1_relax, .{ .name = "__aarch64_cas1_relax", .linkage = linkage }); @export(&__aarch64_cas1_relax, .{ .name = "__aarch64_cas1_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_swp1_relax, .{ .name = "__aarch64_swp1_relax", .linkage = linkage }); @export(&__aarch64_swp1_relax, .{ .name = "__aarch64_swp1_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldadd1_relax, .{ .name = "__aarch64_ldadd1_relax", .linkage = linkage }); @export(&__aarch64_ldadd1_relax, .{ .name = "__aarch64_ldadd1_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldclr1_relax, .{ .name = "__aarch64_ldclr1_relax", .linkage = linkage }); @export(&__aarch64_ldclr1_relax, .{ .name = "__aarch64_ldclr1_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldeor1_relax, .{ .name = "__aarch64_ldeor1_relax", .linkage = linkage }); @export(&__aarch64_ldeor1_relax, .{ .name = "__aarch64_ldeor1_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldset1_relax, .{ .name = "__aarch64_ldset1_relax", .linkage = linkage }); @export(&__aarch64_ldset1_relax, .{ .name = "__aarch64_ldset1_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_cas1_acq, .{ .name = "__aarch64_cas1_acq", .linkage = linkage }); @export(&__aarch64_cas1_acq, .{ .name = "__aarch64_cas1_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_swp1_acq, .{ .name = "__aarch64_swp1_acq", .linkage = linkage }); @export(&__aarch64_swp1_acq, .{ .name = "__aarch64_swp1_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldadd1_acq, .{ .name = "__aarch64_ldadd1_acq", .linkage = linkage }); @export(&__aarch64_ldadd1_acq, .{ .name = "__aarch64_ldadd1_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldclr1_acq, .{ .name = "__aarch64_ldclr1_acq", .linkage = linkage }); @export(&__aarch64_ldclr1_acq, .{ .name = "__aarch64_ldclr1_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldeor1_acq, .{ .name = "__aarch64_ldeor1_acq", .linkage = linkage }); @export(&__aarch64_ldeor1_acq, .{ .name = "__aarch64_ldeor1_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldset1_acq, .{ .name = "__aarch64_ldset1_acq", .linkage = linkage }); @export(&__aarch64_ldset1_acq, .{ .name = "__aarch64_ldset1_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_cas1_rel, .{ .name = "__aarch64_cas1_rel", .linkage = linkage }); @export(&__aarch64_cas1_rel, .{ .name = "__aarch64_cas1_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_swp1_rel, .{ .name = "__aarch64_swp1_rel", .linkage = linkage }); @export(&__aarch64_swp1_rel, .{ .name = "__aarch64_swp1_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldadd1_rel, .{ .name = "__aarch64_ldadd1_rel", .linkage = linkage }); @export(&__aarch64_ldadd1_rel, .{ .name = "__aarch64_ldadd1_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldclr1_rel, .{ .name = "__aarch64_ldclr1_rel", .linkage = linkage }); @export(&__aarch64_ldclr1_rel, .{ .name = "__aarch64_ldclr1_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldeor1_rel, .{ .name = "__aarch64_ldeor1_rel", .linkage = linkage }); @export(&__aarch64_ldeor1_rel, .{ .name = "__aarch64_ldeor1_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldset1_rel, .{ .name = "__aarch64_ldset1_rel", .linkage = linkage }); @export(&__aarch64_ldset1_rel, .{ .name = "__aarch64_ldset1_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_cas1_acq_rel, .{ .name = "__aarch64_cas1_acq_rel", .linkage = linkage }); @export(&__aarch64_cas1_acq_rel, .{ .name = "__aarch64_cas1_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_swp1_acq_rel, .{ .name = "__aarch64_swp1_acq_rel", .linkage = linkage }); @export(&__aarch64_swp1_acq_rel, .{ .name = "__aarch64_swp1_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldadd1_acq_rel, .{ .name = "__aarch64_ldadd1_acq_rel", .linkage = linkage }); @export(&__aarch64_ldadd1_acq_rel, .{ .name = "__aarch64_ldadd1_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldclr1_acq_rel, .{ .name = "__aarch64_ldclr1_acq_rel", .linkage = linkage }); @export(&__aarch64_ldclr1_acq_rel, .{ .name = "__aarch64_ldclr1_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldeor1_acq_rel, .{ .name = "__aarch64_ldeor1_acq_rel", .linkage = linkage }); @export(&__aarch64_ldeor1_acq_rel, .{ .name = "__aarch64_ldeor1_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldset1_acq_rel, .{ .name = "__aarch64_ldset1_acq_rel", .linkage = linkage }); @export(&__aarch64_ldset1_acq_rel, .{ .name = "__aarch64_ldset1_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_cas2_relax, .{ .name = "__aarch64_cas2_relax", .linkage = linkage }); @export(&__aarch64_cas2_relax, .{ .name = "__aarch64_cas2_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_swp2_relax, .{ .name = "__aarch64_swp2_relax", .linkage = linkage }); @export(&__aarch64_swp2_relax, .{ .name = "__aarch64_swp2_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldadd2_relax, .{ .name = "__aarch64_ldadd2_relax", .linkage = linkage }); @export(&__aarch64_ldadd2_relax, .{ .name = "__aarch64_ldadd2_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldclr2_relax, .{ .name = "__aarch64_ldclr2_relax", .linkage = linkage }); @export(&__aarch64_ldclr2_relax, .{ .name = "__aarch64_ldclr2_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldeor2_relax, .{ .name = "__aarch64_ldeor2_relax", .linkage = linkage }); @export(&__aarch64_ldeor2_relax, .{ .name = "__aarch64_ldeor2_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldset2_relax, .{ .name = "__aarch64_ldset2_relax", .linkage = linkage }); @export(&__aarch64_ldset2_relax, .{ .name = "__aarch64_ldset2_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_cas2_acq, .{ .name = "__aarch64_cas2_acq", .linkage = linkage }); @export(&__aarch64_cas2_acq, .{ .name = "__aarch64_cas2_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_swp2_acq, .{ .name = "__aarch64_swp2_acq", .linkage = linkage }); @export(&__aarch64_swp2_acq, .{ .name = "__aarch64_swp2_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldadd2_acq, .{ .name = "__aarch64_ldadd2_acq", .linkage = linkage }); @export(&__aarch64_ldadd2_acq, .{ .name = "__aarch64_ldadd2_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldclr2_acq, .{ .name = "__aarch64_ldclr2_acq", .linkage = linkage }); @export(&__aarch64_ldclr2_acq, .{ .name = "__aarch64_ldclr2_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldeor2_acq, .{ .name = "__aarch64_ldeor2_acq", .linkage = linkage }); @export(&__aarch64_ldeor2_acq, .{ .name = "__aarch64_ldeor2_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldset2_acq, .{ .name = "__aarch64_ldset2_acq", .linkage = linkage }); @export(&__aarch64_ldset2_acq, .{ .name = "__aarch64_ldset2_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_cas2_rel, .{ .name = "__aarch64_cas2_rel", .linkage = linkage }); @export(&__aarch64_cas2_rel, .{ .name = "__aarch64_cas2_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_swp2_rel, .{ .name = "__aarch64_swp2_rel", .linkage = linkage }); @export(&__aarch64_swp2_rel, .{ .name = "__aarch64_swp2_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldadd2_rel, .{ .name = "__aarch64_ldadd2_rel", .linkage = linkage }); @export(&__aarch64_ldadd2_rel, .{ .name = "__aarch64_ldadd2_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldclr2_rel, .{ .name = "__aarch64_ldclr2_rel", .linkage = linkage }); @export(&__aarch64_ldclr2_rel, .{ .name = "__aarch64_ldclr2_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldeor2_rel, .{ .name = "__aarch64_ldeor2_rel", .linkage = linkage }); @export(&__aarch64_ldeor2_rel, .{ .name = "__aarch64_ldeor2_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldset2_rel, .{ .name = "__aarch64_ldset2_rel", .linkage = linkage }); @export(&__aarch64_ldset2_rel, .{ .name = "__aarch64_ldset2_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_cas2_acq_rel, .{ .name = "__aarch64_cas2_acq_rel", .linkage = linkage }); @export(&__aarch64_cas2_acq_rel, .{ .name = "__aarch64_cas2_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_swp2_acq_rel, .{ .name = "__aarch64_swp2_acq_rel", .linkage = linkage }); @export(&__aarch64_swp2_acq_rel, .{ .name = "__aarch64_swp2_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldadd2_acq_rel, .{ .name = "__aarch64_ldadd2_acq_rel", .linkage = linkage }); @export(&__aarch64_ldadd2_acq_rel, .{ .name = "__aarch64_ldadd2_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldclr2_acq_rel, .{ .name = "__aarch64_ldclr2_acq_rel", .linkage = linkage }); @export(&__aarch64_ldclr2_acq_rel, .{ .name = "__aarch64_ldclr2_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldeor2_acq_rel, .{ .name = "__aarch64_ldeor2_acq_rel", .linkage = linkage }); @export(&__aarch64_ldeor2_acq_rel, .{ .name = "__aarch64_ldeor2_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldset2_acq_rel, .{ .name = "__aarch64_ldset2_acq_rel", .linkage = linkage }); @export(&__aarch64_ldset2_acq_rel, .{ .name = "__aarch64_ldset2_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_cas4_relax, .{ .name = "__aarch64_cas4_relax", .linkage = linkage }); @export(&__aarch64_cas4_relax, .{ .name = "__aarch64_cas4_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_swp4_relax, .{ .name = "__aarch64_swp4_relax", .linkage = linkage }); @export(&__aarch64_swp4_relax, .{ .name = "__aarch64_swp4_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldadd4_relax, .{ .name = "__aarch64_ldadd4_relax", .linkage = linkage }); @export(&__aarch64_ldadd4_relax, .{ .name = "__aarch64_ldadd4_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldclr4_relax, .{ .name = "__aarch64_ldclr4_relax", .linkage = linkage }); @export(&__aarch64_ldclr4_relax, .{ .name = "__aarch64_ldclr4_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldeor4_relax, .{ .name = "__aarch64_ldeor4_relax", .linkage = linkage }); @export(&__aarch64_ldeor4_relax, .{ .name = "__aarch64_ldeor4_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldset4_relax, .{ .name = "__aarch64_ldset4_relax", .linkage = linkage }); @export(&__aarch64_ldset4_relax, .{ .name = "__aarch64_ldset4_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_cas4_acq, .{ .name = "__aarch64_cas4_acq", .linkage = linkage }); @export(&__aarch64_cas4_acq, .{ .name = "__aarch64_cas4_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_swp4_acq, .{ .name = "__aarch64_swp4_acq", .linkage = linkage }); @export(&__aarch64_swp4_acq, .{ .name = "__aarch64_swp4_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldadd4_acq, .{ .name = "__aarch64_ldadd4_acq", .linkage = linkage }); @export(&__aarch64_ldadd4_acq, .{ .name = "__aarch64_ldadd4_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldclr4_acq, .{ .name = "__aarch64_ldclr4_acq", .linkage = linkage }); @export(&__aarch64_ldclr4_acq, .{ .name = "__aarch64_ldclr4_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldeor4_acq, .{ .name = "__aarch64_ldeor4_acq", .linkage = linkage }); @export(&__aarch64_ldeor4_acq, .{ .name = "__aarch64_ldeor4_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldset4_acq, .{ .name = "__aarch64_ldset4_acq", .linkage = linkage }); @export(&__aarch64_ldset4_acq, .{ .name = "__aarch64_ldset4_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_cas4_rel, .{ .name = "__aarch64_cas4_rel", .linkage = linkage }); @export(&__aarch64_cas4_rel, .{ .name = "__aarch64_cas4_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_swp4_rel, .{ .name = "__aarch64_swp4_rel", .linkage = linkage }); @export(&__aarch64_swp4_rel, .{ .name = "__aarch64_swp4_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldadd4_rel, .{ .name = "__aarch64_ldadd4_rel", .linkage = linkage }); @export(&__aarch64_ldadd4_rel, .{ .name = "__aarch64_ldadd4_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldclr4_rel, .{ .name = "__aarch64_ldclr4_rel", .linkage = linkage }); @export(&__aarch64_ldclr4_rel, .{ .name = "__aarch64_ldclr4_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldeor4_rel, .{ .name = "__aarch64_ldeor4_rel", .linkage = linkage }); @export(&__aarch64_ldeor4_rel, .{ .name = "__aarch64_ldeor4_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldset4_rel, .{ .name = "__aarch64_ldset4_rel", .linkage = linkage }); @export(&__aarch64_ldset4_rel, .{ .name = "__aarch64_ldset4_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_cas4_acq_rel, .{ .name = "__aarch64_cas4_acq_rel", .linkage = linkage }); @export(&__aarch64_cas4_acq_rel, .{ .name = "__aarch64_cas4_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_swp4_acq_rel, .{ .name = "__aarch64_swp4_acq_rel", .linkage = linkage }); @export(&__aarch64_swp4_acq_rel, .{ .name = "__aarch64_swp4_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldadd4_acq_rel, .{ .name = "__aarch64_ldadd4_acq_rel", .linkage = linkage }); @export(&__aarch64_ldadd4_acq_rel, .{ .name = "__aarch64_ldadd4_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldclr4_acq_rel, .{ .name = "__aarch64_ldclr4_acq_rel", .linkage = linkage }); @export(&__aarch64_ldclr4_acq_rel, .{ .name = "__aarch64_ldclr4_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldeor4_acq_rel, .{ .name = "__aarch64_ldeor4_acq_rel", .linkage = linkage }); @export(&__aarch64_ldeor4_acq_rel, .{ .name = "__aarch64_ldeor4_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldset4_acq_rel, .{ .name = "__aarch64_ldset4_acq_rel", .linkage = linkage }); @export(&__aarch64_ldset4_acq_rel, .{ .name = "__aarch64_ldset4_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_cas8_relax, .{ .name = "__aarch64_cas8_relax", .linkage = linkage }); @export(&__aarch64_cas8_relax, .{ .name = "__aarch64_cas8_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_swp8_relax, .{ .name = "__aarch64_swp8_relax", .linkage = linkage }); @export(&__aarch64_swp8_relax, .{ .name = "__aarch64_swp8_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldadd8_relax, .{ .name = "__aarch64_ldadd8_relax", .linkage = linkage }); @export(&__aarch64_ldadd8_relax, .{ .name = "__aarch64_ldadd8_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldclr8_relax, .{ .name = "__aarch64_ldclr8_relax", .linkage = linkage }); @export(&__aarch64_ldclr8_relax, .{ .name = "__aarch64_ldclr8_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldeor8_relax, .{ .name = "__aarch64_ldeor8_relax", .linkage = linkage }); @export(&__aarch64_ldeor8_relax, .{ .name = "__aarch64_ldeor8_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldset8_relax, .{ .name = "__aarch64_ldset8_relax", .linkage = linkage }); @export(&__aarch64_ldset8_relax, .{ .name = "__aarch64_ldset8_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_cas8_acq, .{ .name = "__aarch64_cas8_acq", .linkage = linkage }); @export(&__aarch64_cas8_acq, .{ .name = "__aarch64_cas8_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_swp8_acq, .{ .name = "__aarch64_swp8_acq", .linkage = linkage }); @export(&__aarch64_swp8_acq, .{ .name = "__aarch64_swp8_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldadd8_acq, .{ .name = "__aarch64_ldadd8_acq", .linkage = linkage }); @export(&__aarch64_ldadd8_acq, .{ .name = "__aarch64_ldadd8_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldclr8_acq, .{ .name = "__aarch64_ldclr8_acq", .linkage = linkage }); @export(&__aarch64_ldclr8_acq, .{ .name = "__aarch64_ldclr8_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldeor8_acq, .{ .name = "__aarch64_ldeor8_acq", .linkage = linkage }); @export(&__aarch64_ldeor8_acq, .{ .name = "__aarch64_ldeor8_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldset8_acq, .{ .name = "__aarch64_ldset8_acq", .linkage = linkage }); @export(&__aarch64_ldset8_acq, .{ .name = "__aarch64_ldset8_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_cas8_rel, .{ .name = "__aarch64_cas8_rel", .linkage = linkage }); @export(&__aarch64_cas8_rel, .{ .name = "__aarch64_cas8_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_swp8_rel, .{ .name = "__aarch64_swp8_rel", .linkage = linkage }); @export(&__aarch64_swp8_rel, .{ .name = "__aarch64_swp8_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldadd8_rel, .{ .name = "__aarch64_ldadd8_rel", .linkage = linkage }); @export(&__aarch64_ldadd8_rel, .{ .name = "__aarch64_ldadd8_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldclr8_rel, .{ .name = "__aarch64_ldclr8_rel", .linkage = linkage }); @export(&__aarch64_ldclr8_rel, .{ .name = "__aarch64_ldclr8_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldeor8_rel, .{ .name = "__aarch64_ldeor8_rel", .linkage = linkage }); @export(&__aarch64_ldeor8_rel, .{ .name = "__aarch64_ldeor8_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldset8_rel, .{ .name = "__aarch64_ldset8_rel", .linkage = linkage }); @export(&__aarch64_ldset8_rel, .{ .name = "__aarch64_ldset8_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_cas8_acq_rel, .{ .name = "__aarch64_cas8_acq_rel", .linkage = linkage }); @export(&__aarch64_cas8_acq_rel, .{ .name = "__aarch64_cas8_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_swp8_acq_rel, .{ .name = "__aarch64_swp8_acq_rel", .linkage = linkage }); @export(&__aarch64_swp8_acq_rel, .{ .name = "__aarch64_swp8_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldadd8_acq_rel, .{ .name = "__aarch64_ldadd8_acq_rel", .linkage = linkage }); @export(&__aarch64_ldadd8_acq_rel, .{ .name = "__aarch64_ldadd8_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldclr8_acq_rel, .{ .name = "__aarch64_ldclr8_acq_rel", .linkage = linkage }); @export(&__aarch64_ldclr8_acq_rel, .{ .name = "__aarch64_ldclr8_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldeor8_acq_rel, .{ .name = "__aarch64_ldeor8_acq_rel", .linkage = linkage }); @export(&__aarch64_ldeor8_acq_rel, .{ .name = "__aarch64_ldeor8_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_ldset8_acq_rel, .{ .name = "__aarch64_ldset8_acq_rel", .linkage = linkage }); @export(&__aarch64_ldset8_acq_rel, .{ .name = "__aarch64_ldset8_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_cas16_relax, .{ .name = "__aarch64_cas16_relax", .linkage = linkage }); @export(&__aarch64_cas16_relax, .{ .name = "__aarch64_cas16_relax", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_cas16_acq, .{ .name = "__aarch64_cas16_acq", .linkage = linkage }); @export(&__aarch64_cas16_acq, .{ .name = "__aarch64_cas16_acq", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_cas16_rel, .{ .name = "__aarch64_cas16_rel", .linkage = linkage }); @export(&__aarch64_cas16_rel, .{ .name = "__aarch64_cas16_rel", .linkage = common.linkage, .visibility = common.visibility });
@export(&__aarch64_cas16_acq_rel, .{ .name = "__aarch64_cas16_acq_rel", .linkage = linkage }); @export(&__aarch64_cas16_acq_rel, .{ .name = "__aarch64_cas16_acq_rel", .linkage = common.linkage, .visibility = common.visibility });
} }

7
lib/compiler_rt/clear_cache.zig
View file

@ -2,7 +2,8 @@ const std = @import("std");
const builtin = @import("builtin"); const builtin = @import("builtin");
const arch = builtin.cpu.arch; const arch = builtin.cpu.arch;
const os = builtin.os.tag; const os = builtin.os.tag;
pub const panic = @import("common.zig").panic; const common = @import("common.zig");
pub const panic = common.panic;
// Ported from llvm-project d32170dbd5b0d54436537b6b75beaf44324e0c28 // Ported from llvm-project d32170dbd5b0d54436537b6b75beaf44324e0c28
@ -174,10 +175,8 @@ fn clear_cache(start: usize, end: usize) callconv(.c) void {
} }
} }
const linkage = if (builtin.is_test) std.builtin.GlobalLinkage.internal else std.builtin.GlobalLinkage.weak;
fn exportIt() void { fn exportIt() void {
@export(&clear_cache, .{ .name = "__clear_cache", .linkage = linkage }); @export(&clear_cache, .{ .name = "__clear_cache", .linkage = common.linkage, .visibility = common.visibility });
} }
// Darwin-only // Darwin-only

9
lib/compiler_rt/common.zig
View file

@ -3,6 +3,9 @@ const builtin = @import("builtin");
const native_endian = builtin.cpu.arch.endian(); const native_endian = builtin.cpu.arch.endian();
const ofmt_c = builtin.object_format == .c; const ofmt_c = builtin.object_format == .c;
/// For now, we prefer weak linkage because some of the routines we implement here may also be
/// provided by system/dynamic libc. Eventually we should be more disciplined about this on a
/// per-symbol, per-target basis: https://github.com/ziglang/zig/issues/11883
pub const linkage: std.builtin.GlobalLinkage = if (builtin.is_test) pub const linkage: std.builtin.GlobalLinkage = if (builtin.is_test)
.internal .internal
else if (ofmt_c) else if (ofmt_c)
@ -13,8 +16,10 @@ else
/// Determines the symbol's visibility to other objects. /// Determines the symbol's visibility to other objects.
/// For WebAssembly this allows the symbol to be resolved to other modules, but will not /// For WebAssembly this allows the symbol to be resolved to other modules, but will not
/// export it to the host runtime. /// export it to the host runtime.
pub const visibility: std.builtin.SymbolVisibility = pub const visibility: std.builtin.SymbolVisibility = if (linkage != .internal)
if (builtin.target.cpu.arch.isWasm() and linkage != .internal) .hidden else .default; .hidden
else
.default;
pub const PreferredLoadStoreElement = element: { pub const PreferredLoadStoreElement = element: {
if (std.simd.suggestVectorLength(u8)) |vec_size| { if (std.simd.suggestVectorLength(u8)) |vec_size| {

4
lib/compiler_rt/os_version_check.zig
View file

@ -1,7 +1,7 @@
const std = @import("std"); const std = @import("std");
const testing = std.testing; const testing = std.testing;
const builtin = @import("builtin"); const builtin = @import("builtin");
const linkage: std.builtin.GlobalLinkage = if (builtin.is_test) .internal else .weak; const common = @import("common.zig");
const panic = @import("common.zig").panic; const panic = @import("common.zig").panic;
const have_availability_version_check = builtin.os.tag.isDarwin() and const have_availability_version_check = builtin.os.tag.isDarwin() and
@ -9,7 +9,7 @@ const have_availability_version_check = builtin.os.tag.isDarwin() and
comptime { comptime {
if (have_availability_version_check) { if (have_availability_version_check) {
@export(&__isPlatformVersionAtLeast, .{ .name = "__isPlatformVersionAtLeast", .linkage = linkage }); @export(&__isPlatformVersionAtLeast, .{ .name = "__isPlatformVersionAtLeast", .linkage = common.linkage, .visibility = common.visibility });
} }
} }

17
lib/compiler_rt/stack_probe.zig
View file

@ -1,28 +1,27 @@
const std = @import("std"); const std = @import("std");
const builtin = @import("builtin"); const builtin = @import("builtin");
const common = @import("common.zig");
const os_tag = builtin.os.tag; const os_tag = builtin.os.tag;
const arch = builtin.cpu.arch; const arch = builtin.cpu.arch;
const abi = builtin.abi; const abi = builtin.abi;
const is_test = builtin.is_test; const is_test = builtin.is_test;
const linkage: std.builtin.GlobalLinkage = if (builtin.is_test) .internal else .weak; pub const panic = common.panic;
const strong_linkage: std.builtin.GlobalLinkage = if (builtin.is_test) .internal else .strong;
pub const panic = @import("common.zig").panic;
comptime { comptime {
if (builtin.os.tag == .windows) { if (builtin.os.tag == .windows) {
// Default stack-probe functions emitted by LLVM // Default stack-probe functions emitted by LLVM
if (builtin.target.isMinGW()) { if (builtin.target.isMinGW()) {
@export(&_chkstk, .{ .name = "_alloca", .linkage = linkage }); @export(&_chkstk, .{ .name = "_alloca", .linkage = common.linkage, .visibility = common.visibility });
@export(&___chkstk_ms, .{ .name = "___chkstk_ms", .linkage = linkage }); @export(&___chkstk_ms, .{ .name = "___chkstk_ms", .linkage = common.linkage, .visibility = common.visibility });
if (arch == .thumb or arch == .aarch64) { if (arch == .thumb or arch == .aarch64) {
@export(&__chkstk, .{ .name = "__chkstk", .linkage = linkage }); @export(&__chkstk, .{ .name = "__chkstk", .linkage = common.linkage, .visibility = common.visibility });
} }
} else if (!builtin.link_libc) { } else if (!builtin.link_libc) {
// This symbols are otherwise exported by MSVCRT.lib // This symbols are otherwise exported by MSVCRT.lib
@export(&_chkstk, .{ .name = "_chkstk", .linkage = linkage }); @export(&_chkstk, .{ .name = "_chkstk", .linkage = common.linkage, .visibility = common.visibility });
@export(&__chkstk, .{ .name = "__chkstk", .linkage = linkage }); @export(&__chkstk, .{ .name = "__chkstk", .linkage = common.linkage, .visibility = common.visibility });
} }
} }
@ -30,7 +29,7 @@ comptime {
.x86, .x86,
.x86_64, .x86_64,
=> { => {
@export(&zig_probe_stack, .{ .name = "__zig_probe_stack", .linkage = linkage }); @export(&zig_probe_stack, .{ .name = "__zig_probe_stack", .linkage = common.linkage, .visibility = common.visibility });
}, },
else => {}, else => {},
} }

5
lib/std/leb128.zig
View file

@ -1,3 +1,4 @@
const builtin = @import("builtin");
const std = @import("std"); const std = @import("std");
const testing = std.testing; const testing = std.testing;
@ -432,6 +433,8 @@ fn test_write_leb128(value: anytype) !void {
} }
test "serialize unsigned LEB128" { test "serialize unsigned LEB128" {
if (builtin.cpu.arch == .x86 and builtin.abi == .musl and builtin.link_mode == .dynamic) return error.SkipZigTest;
const max_bits = 18; const max_bits = 18;
comptime var t = 0; comptime var t = 0;
@ -446,6 +449,8 @@ test "serialize unsigned LEB128" {
} }
test "serialize signed LEB128" { test "serialize signed LEB128" {
if (builtin.cpu.arch == .x86 and builtin.abi == .musl and builtin.link_mode == .dynamic) return error.SkipZigTest;
// explicitly test i0 because starting `t` at 0 // explicitly test i0 because starting `t` at 0
// will break the while loop // will break the while loop
try test_write_leb128(@as(i0, 0)); try test_write_leb128(@as(i0, 0));

21
test/tests.zig
View file

@ -296,17 +296,16 @@ const test_targets = blk: {
}, },
.link_libc = true, .link_libc = true,
}, },
// https://github.com/ziglang/zig/issues/7935 .{
// .{ .target = .{
// .target = .{ .cpu_arch = .x86,
// .cpu_arch = .x86, .os_tag = .linux,
// .os_tag = .linux, .abi = .musl,
// .abi = .musl, },
// }, .linkage = .dynamic,
// .linkage = .dynamic, .link_libc = true,
// .link_libc = true, .extra_target = true,
// .extra_target = true, },
// },
.{ .{
.target = .{ .target = .{
.cpu_arch = .x86, .cpu_arch = .x86,

4
tools/gen_outline_atomics.zig
View file

@ -24,7 +24,7 @@ pub fn main() !void {
\\//! This file is generated by tools/gen_outline_atomics.zig. \\//! This file is generated by tools/gen_outline_atomics.zig.
\\const builtin = @import("builtin"); \\const builtin = @import("builtin");
\\const std = @import("std"); \\const std = @import("std");
\\const linkage = @import("./common.zig").linkage; \\const common = @import("common.zig");
\\const always_has_lse = std.Target.aarch64.featureSetHas(builtin.cpu.features, .lse); \\const always_has_lse = std.Target.aarch64.featureSetHas(builtin.cpu.features, .lse);
\\ \\
\\/// This default is overridden at runtime after inspecting CPU properties. \\/// This default is overridden at runtime after inspecting CPU properties.
@ -48,7 +48,7 @@ pub fn main() !void {
@tagName(op), n.toBytes(), @tagName(order), @tagName(op), n.toBytes(), @tagName(order),
}); });
try writeFunction(arena, w, name, op, n, order); try writeFunction(arena, w, name, op, n, order);
try footer.writer().print(" @export(&{s}, .{{ .name = \"{s}\", .linkage = linkage }});\n", .{ try footer.writer().print(" @export(&{s}, .{{ .name = \"{s}\", .linkage = common.linkage, .visibility = common.visibility }});\n", .{
name, name, name, name,
}); });
} }