Commit 7f01b61679
Changed files (3)
src
link
src/link/MachO/Archive.zig
@@ -143,51 +143,15 @@ pub fn parse(self: *Archive, macho_file: *MachO, path: []const u8, handle_index:
}
}
-pub fn flush(macho_file: *MachO, comp: *Compilation, module_obj_path: ?[]const u8) link.File.FlushError!void {
- const gpa = comp.gpa;
-
- var positionals = std.ArrayList(Compilation.LinkObject).init(gpa);
- defer positionals.deinit();
-
- try positionals.ensureUnusedCapacity(comp.objects.len);
- positionals.appendSliceAssumeCapacity(comp.objects);
-
- for (comp.c_object_table.keys()) |key| {
- try positionals.append(.{ .path = key.status.success.object_path });
- }
-
- if (module_obj_path) |path| try positionals.append(.{ .path = path });
-
- for (positionals.items) |obj| {
- // TODO: parse for archive meaning don't unpack objects
- _ = obj;
- }
-
- if (comp.link_errors.items.len > 0) return error.FlushFailure;
-
- // First, we flush relocatable object file generated with our backends.
- if (macho_file.getZigObject()) |zo| {
- zo.resolveSymbols(macho_file);
- zo.asFile().claimUnresolvedRelocatable(macho_file);
- }
-
- var err = try macho_file.addErrorWithNotes(0);
- try err.addMsg(macho_file, "TODO implement flushStaticLib", .{});
-
- return error.FlushFailure;
-}
-
const fat = @import("fat.zig");
const link = @import("../../link.zig");
const log = std.log.scoped(.link);
const macho = std.macho;
const mem = std.mem;
-const relocatable = @import("relocatable.zig");
const std = @import("std");
const Allocator = mem.Allocator;
const Archive = @This();
-const Compilation = @import("../../Compilation.zig");
const File = @import("file.zig").File;
const MachO = @import("../MachO.zig");
const Object = @import("Object.zig");
src/link/MachO/relocatable.zig
@@ -1,4 +1,4 @@
-pub fn flush(macho_file: *MachO, comp: *Compilation, module_obj_path: ?[]const u8) link.File.FlushError!void {
+pub fn flushObject(macho_file: *MachO, comp: *Compilation, module_obj_path: ?[]const u8) link.File.FlushError!void {
const gpa = macho_file.base.comp.gpa;
var positionals = std.ArrayList(Compilation.LinkObject).init(gpa);
@@ -86,6 +86,72 @@ pub fn flush(macho_file: *MachO, comp: *Compilation, module_obj_path: ?[]const u
try writeHeader(macho_file, ncmds, sizeofcmds);
}
+pub fn flushStaticLib(macho_file: *MachO, comp: *Compilation, module_obj_path: ?[]const u8) link.File.FlushError!void {
+ const gpa = comp.gpa;
+
+ var positionals = std.ArrayList(Compilation.LinkObject).init(gpa);
+ defer positionals.deinit();
+
+ try positionals.ensureUnusedCapacity(comp.objects.len);
+ positionals.appendSliceAssumeCapacity(comp.objects);
+
+ for (comp.c_object_table.keys()) |key| {
+ try positionals.append(.{ .path = key.status.success.object_path });
+ }
+
+ if (module_obj_path) |path| try positionals.append(.{ .path = path });
+
+ for (positionals.items) |obj| {
+ // TODO: parse for archive meaning don't unpack objects
+ _ = obj;
+ }
+
+ if (comp.link_errors.items.len > 0) return error.FlushFailure;
+
+ // First, we flush relocatable object file generated with our backends.
+ if (macho_file.getZigObject()) |zo| {
+ zo.resolveSymbols(macho_file);
+ zo.asFile().claimUnresolvedRelocatable(macho_file);
+ try macho_file.sortSections();
+ try macho_file.addAtomsToSections();
+ try calcSectionSizes(macho_file);
+ try createSegment(macho_file);
+ try allocateSections(macho_file);
+ allocateSegment(macho_file);
+
+ var off = off: {
+ const seg = macho_file.segments.items[0];
+ const off = math.cast(u32, seg.fileoff + seg.filesize) orelse return error.Overflow;
+ break :off mem.alignForward(u32, off, @alignOf(macho.relocation_info));
+ };
+ off = allocateSectionsRelocs(macho_file, off);
+
+ state_log.debug("{}", .{macho_file.dumpState()});
+
+ try macho_file.calcSymtabSize();
+ try writeAtoms(macho_file);
+
+ off = mem.alignForward(u32, off, @alignOf(u64));
+ off = try macho_file.writeDataInCode(0, off);
+ off = mem.alignForward(u32, off, @alignOf(u64));
+ off = try macho_file.writeSymtab(off);
+ off = mem.alignForward(u32, off, @alignOf(u64));
+ off = try macho_file.writeStrtab(off);
+
+ // In order to please Apple ld (and possibly other MachO linkers in the wild),
+ // we will now sanitize segment names of Zig-specific segments.
+ sanitizeZigSections(macho_file);
+
+ const ncmds, const sizeofcmds = try writeLoadCommands(macho_file);
+ try writeHeader(macho_file, ncmds, sizeofcmds);
+ }
+
+ var err = try macho_file.addErrorWithNotes(0);
+ try err.addMsg(macho_file, "TODO implement flushStaticLib", .{});
+
+ return error.FlushFailure;
+}
+
fn markExports(macho_file: *MachO) void {
if (macho_file.getZigObject()) |zo| {
zo.asFile().markExportsRelocatable(macho_file);
src/link/MachO.zig
@@ -417,8 +417,8 @@ pub fn flushModule(self: *MachO, arena: Allocator, prog_node: *std.Progress.Node
if (comp.verbose_link) try self.dumpArgv(comp);
if (self.getZigObject()) |zo| try zo.flushModule(self);
- if (self.base.isStaticLib()) return Archive.flush(self, comp, module_obj_path);
- if (self.base.isObject()) return relocatable.flush(self, comp, module_obj_path);
+ if (self.base.isStaticLib()) return relocatable.flushStaticLib(self, comp, module_obj_path);
+ if (self.base.isObject()) return relocatable.flushObject(self, comp, module_obj_path);
var positionals = std.ArrayList(Compilation.LinkObject).init(gpa);
defer positionals.deinit();