Commit 9d62ebc0ce
Changed files (3)
src
link
src/link/MachO/dead_strip.zig
@@ -36,11 +36,12 @@ fn collectRoots(macho_file: *MachO, roots: *AtomTable) !void {
switch (macho_file.base.options.output_mode) {
.Exe => {
// Add entrypoint as GC root
- const global: SymbolWithLoc = macho_file.getEntryPoint();
- if (global.getFile()) |file| {
- try addRoot(macho_file, roots, file, global);
- } else {
- assert(macho_file.getSymbol(global).undf()); // Stub as our entrypoint is in a dylib.
+ if (macho_file.getEntryPoint()) |global| {
+ if (global.getFile()) |file| {
+ try addRoot(macho_file, roots, file, global);
+ } else {
+ assert(macho_file.getSymbol(global).undf()); // Stub as our entrypoint is in a dylib.
+ }
}
},
else => |other| {
@@ -116,7 +117,7 @@ fn markLive(macho_file: *MachO, atom_index: Atom.Index, alive: *AtomTable) void
alive.putAssumeCapacityNoClobber(atom_index, {});
- const cpu_arch = macho_file.options.target.cpu.arch;
+ const cpu_arch = macho_file.base.options.target.cpu.arch;
const sym = macho_file.getSymbol(atom.getSymbolWithLoc());
const header = macho_file.sections.items(.header)[sym.n_sect - 1];
src/link/MachO/zld.zig
@@ -401,7 +401,7 @@ pub fn linkWithZld(
try macho_file.createDyldPrivateAtom();
try macho_file.createTentativeDefAtoms();
- if (macho_file.options.output_mode == .Exe) {
+ if (macho_file.base.options.output_mode == .Exe) {
const global = macho_file.getEntryPoint().?;
if (macho_file.getSymbol(global).undf()) {
// We do one additional check here in case the entry point was found in one of the dylibs.
@@ -429,7 +429,7 @@ pub fn linkWithZld(
if (macho_file.dyld_stub_binder_index) |index|
try macho_file.addGotEntry(macho_file.globals.items[index]);
- try macho_file.calcSectionSizes();
+ try calcSectionSizes(macho_file);
var unwind_info = UnwindInfo{ .gpa = gpa };
defer unwind_info.deinit();
@@ -461,9 +461,9 @@ pub fn linkWithZld(
try writeLaSymbolPtrs(macho_file);
}
if (macho_file.got_section_index) |sect_id|
- try macho_file.writePointerEntries(sect_id, &macho_file.got_table);
+ try writePointerEntries(macho_file, sect_id, &macho_file.got_table);
if (macho_file.tlv_ptr_section_index) |sect_id|
- try macho_file.writePointerEntries(sect_id, &macho_file.tlv_ptr_table);
+ try writePointerEntries(macho_file, sect_id, &macho_file.tlv_ptr_table);
try eh_frame.write(macho_file, &unwind_info);
try unwind_info.write(macho_file);
@@ -546,11 +546,11 @@ pub fn linkWithZld(
else => {},
}
- try load_commands.writeRpathLCs(gpa, macho_file.base.options, lc_writer);
+ try load_commands.writeRpathLCs(gpa, &macho_file.base.options, lc_writer);
try lc_writer.writeStruct(macho.source_version_command{
.version = 0,
});
- try load_commands.writeBuildVersionLC(macho_file.base.options, lc_writer);
+ try load_commands.writeBuildVersionLC(&macho_file.base.options, lc_writer);
const uuid_cmd_offset = @sizeOf(macho.mach_header_64) + @as(u32, @intCast(lc_buffer.items.len));
try lc_writer.writeStruct(macho_file.uuid_cmd);
@@ -1053,11 +1053,14 @@ fn allocateSegments(macho_file: *MachO) !void {
const gpa = macho_file.base.allocator;
for (macho_file.segments.items, 0..) |*segment, segment_index| {
const is_text_segment = mem.eql(u8, segment.segName(), "__TEXT");
- const base_size = if (is_text_segment) try load_commands.calcMinHeaderPad(gpa, macho_file.base.options, .{
- .segments = macho_file.segments.items,
- .dylibs = macho_file.dylibs.items,
- .referenced_dylibs = macho_file.referenced_dylibs.keys(),
- }) else 0;
+ const base_size = if (is_text_segment)
+ try load_commands.calcMinHeaderPad(gpa, &macho_file.base.options, .{
+ .segments = macho_file.segments.items,
+ .dylibs = macho_file.dylibs.items,
+ .referenced_dylibs = macho_file.referenced_dylibs.keys(),
+ })
+ else
+ 0;
try allocateSegment(macho_file, @as(u8, @intCast(segment_index)), base_size);
}
}
src/link/MachO.zig
@@ -1455,7 +1455,7 @@ pub fn createTentativeDefAtoms(self: *MachO) !void {
}
}
-fn createDyldPrivateAtom(self: *MachO) !void {
+pub fn createDyldPrivateAtom(self: *MachO) !void {
if (self.dyld_private_atom_index != null) return;
const sym_index = try self.allocateSymbol();
@@ -2015,7 +2015,7 @@ fn growAtom(self: *MachO, atom_index: Atom.Index, new_atom_size: u64, alignment:
return self.allocateAtom(atom_index, new_atom_size, alignment);
}
-fn allocateSymbol(self: *MachO) !u32 {
+pub fn allocateSymbol(self: *MachO) !u32 {
try self.locals.ensureUnusedCapacity(self.base.allocator, 1);
const index = blk: {
@@ -2104,7 +2104,7 @@ pub fn addStubEntry(self: *MachO, target: SymbolWithLoc) !void {
pub fn addTlvPtrEntry(self: *MachO, target: SymbolWithLoc) !void {
if (self.tlv_ptr_table.lookup.contains(target)) return;
- _ = try self.tlv_ptr_table.allocateEntry(self.gpa, target);
+ _ = try self.tlv_ptr_table.allocateEntry(self.base.allocator, target);
if (self.tlv_ptr_section_index == null) {
self.tlv_ptr_section_index = try self.initSection("__DATA", "__thread_ptrs", .{
.flags = macho.S_THREAD_LOCAL_VARIABLE_POINTERS,
@@ -3490,7 +3490,7 @@ fn collectRebaseData(self: *MachO, rebase: *Rebase) !void {
const offset = @as(u64, @intCast(base_offset + rel_offset));
log.debug(" | rebase at {x}", .{offset});
- try rebase.entries.append(self.gpa, .{
+ try rebase.entries.append(gpa, .{
.offset = offset,
.segment_id = segment_id,
});
@@ -3656,7 +3656,7 @@ fn collectBindData(self: *MachO, bind: anytype, raw_bindings: anytype) !void {
if (bind_sym.weakRef()) {
log.debug(" | marking as weak ref ", .{});
}
- try bind.entries.append(self.gpa, .{
+ try bind.entries.append(gpa, .{
.target = global,
.offset = offset,
.segment_id = segment_id,
@@ -4004,8 +4004,8 @@ fn writeSymtab(self: *MachO) !SymtabCtx {
var locals = std.ArrayList(macho.nlist_64).init(gpa);
defer locals.deinit();
- for (0..self.locals.items) |sym_id| {
- try self.addLocalToSymtab(.{ .sym_index = @intCast(sym_id) });
+ for (0..self.locals.items.len) |sym_id| {
+ try self.addLocalToSymtab(.{ .sym_index = @intCast(sym_id) }, &locals);
}
for (self.objects.items) |object| {
@@ -4611,7 +4611,7 @@ pub fn makeStaticString(bytes: []const u8) [16]u8 {
return buf;
}
-fn getSegmentByName(self: MachO, segname: []const u8) ?u8 {
+pub fn getSegmentByName(self: MachO, segname: []const u8) ?u8 {
for (self.segments.items, 0..) |seg, i| {
if (mem.eql(u8, segname, seg.segName())) return @as(u8, @intCast(i));
} else return null;
@@ -5024,7 +5024,7 @@ pub fn logSymtab(self: *MachO) void {
scoped_log.debug("{}", .{self.tlv_ptr_table});
scoped_log.debug("stubs entries:", .{});
- scoped_log.debug("{}", .{self.stubs_table});
+ scoped_log.debug("{}", .{self.stub_table});
scoped_log.debug("thunks:", .{});
for (self.thunks.items, 0..) |thunk, i| {
@@ -5151,7 +5151,7 @@ const Cache = std.Build.Cache;
const CodeSignature = @import("MachO/CodeSignature.zig");
const Compilation = @import("../Compilation.zig");
const Dwarf = File.Dwarf;
-const DwarfInfo = @import("DwarfInfo.zig");
+const DwarfInfo = @import("MachO/DwarfInfo.zig");
const Dylib = @import("MachO/Dylib.zig");
const File = link.File;
const Object = @import("MachO/Object.zig");
@@ -5170,10 +5170,9 @@ const TypedValue = @import("../TypedValue.zig");
const Value = @import("../value.zig").Value;
pub const DebugSymbols = @import("MachO/DebugSymbols.zig");
-
-const Bind = @import("MachO/dyld_info/bind.zig").Bind(*const MachO, SymbolWithLoc);
-const LazyBind = @import("MachO/dyld_info/bind.zig").LazyBind(*const MachO, SymbolWithLoc);
-const Rebase = @import("MachO/dyld_info/Rebase.zig");
+pub const Bind = @import("MachO/dyld_info/bind.zig").Bind(*const MachO, SymbolWithLoc);
+pub const LazyBind = @import("MachO/dyld_info/bind.zig").LazyBind(*const MachO, SymbolWithLoc);
+pub const Rebase = @import("MachO/dyld_info/Rebase.zig");
pub const base_tag: File.Tag = File.Tag.macho;
pub const N_DEAD: u16 = @as(u16, @bitCast(@as(i16, -1)));
@@ -5257,7 +5256,7 @@ const UnnamedConstTable = std.AutoArrayHashMapUnmanaged(Module.Decl.Index, std.A
const RebaseTable = std.AutoArrayHashMapUnmanaged(Atom.Index, std.ArrayListUnmanaged(u32));
const RelocationTable = std.AutoArrayHashMapUnmanaged(Atom.Index, std.ArrayListUnmanaged(Relocation));
-const ResolveAction = struct {
+pub const ResolveAction = struct {
kind: Kind,
target: SymbolWithLoc,