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//! Stub linker support for GOFF based on LLVM.
const Goff = @This();
const std = @import("std");
const builtin = @import("builtin");
const Allocator = std.mem.Allocator;
const assert = std.debug.assert;
const log = std.log.scoped(.link);
const Path = std.Build.Cache.Path;
const Zcu = @import("../Zcu.zig");
const InternPool = @import("../InternPool.zig");
const Compilation = @import("../Compilation.zig");
const codegen = @import("../codegen.zig");
const link = @import("../link.zig");
const trace = @import("../tracy.zig").trace;
const build_options = @import("build_options");
base: link.File,
pub fn createEmpty(
arena: Allocator,
comp: *Compilation,
emit: Path,
options: link.File.OpenOptions,
) !*Goff {
const target = &comp.root_mod.resolved_target.result;
const use_lld = build_options.have_llvm and comp.config.use_lld;
const use_llvm = comp.config.use_llvm;
assert(use_llvm); // Caught by Compilation.Config.resolve.
assert(!use_lld); // Caught by Compilation.Config.resolve.
assert(target.os.tag == .zos); // Caught by Compilation.Config.resolve.
const goff = try arena.create(Goff);
goff.* = .{
.base = .{
.tag = .goff,
.comp = comp,
.emit = emit,
.zcu_object_basename = emit.sub_path,
.gc_sections = options.gc_sections orelse false,
.print_gc_sections = options.print_gc_sections,
.stack_size = options.stack_size orelse 0,
.allow_shlib_undefined = options.allow_shlib_undefined orelse false,
.file = null,
.build_id = options.build_id,
},
};
return goff;
}
pub fn open(
arena: Allocator,
comp: *Compilation,
emit: Path,
options: link.File.OpenOptions,
) !*Goff {
const target = &comp.root_mod.resolved_target.result;
assert(target.ofmt == .goff);
return createEmpty(arena, comp, emit, options);
}
pub fn deinit(self: *Goff) void {
_ = self;
}
pub fn updateFunc(
self: *Goff,
pt: Zcu.PerThread,
func_index: InternPool.Index,
mir: *const codegen.AnyMir,
) link.File.UpdateNavError!void {
_ = self;
_ = pt;
_ = func_index;
_ = mir;
unreachable; // we always use llvm
}
pub fn updateNav(self: *Goff, pt: Zcu.PerThread, nav: InternPool.Nav.Index) link.File.UpdateNavError!void {
_ = self;
_ = pt;
_ = nav;
unreachable; // we always use llvm
}
pub fn updateExports(
self: *Goff,
pt: Zcu.PerThread,
exported: Zcu.Exported,
export_indices: []const Zcu.Export.Index,
) !void {
_ = self;
_ = pt;
_ = exported;
_ = export_indices;
unreachable; // we always use llvm
}
pub fn flush(self: *Goff, arena: Allocator, tid: Zcu.PerThread.Id, prog_node: std.Progress.Node) link.File.FlushError!void {
if (build_options.skip_non_native and builtin.object_format != .goff)
@panic("Attempted to compile for object format that was disabled by build configuration");
_ = self;
_ = arena;
_ = tid;
_ = prog_node;
}
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