| ... | @@ -1769,11 +1769,16 @@ fn writeAtoms(self: *MachO) !void { | ... | @@ -1769,11 +1769,16 @@ fn writeAtoms(self: *MachO) !void { |
| 1769 | const match = entry.key_ptr.*; | 1769 | const match = entry.key_ptr.*; |
| 1770 | var atom: *TextBlock = entry.value_ptr.*; | 1770 | var atom: *TextBlock = entry.value_ptr.*; |
| 1771 | | 1771 | |
| 1772 | while (atom.prev) |prev| { | 1772 | while (true) { |
| 1773 | try self.writeAtom(atom, match); | 1773 | if (atom.dirty) { |
| 1774 | atom = prev; | 1774 | try self.writeAtom(atom, match); |
| | 1775 | atom.dirty = false; |
| | 1776 | } |
| | 1777 | |
| | 1778 | if (atom.prev) |prev| { |
| | 1779 | atom = prev; |
| | 1780 | } else break; |
| 1775 | } | 1781 | } |
| 1776 | try self.writeAtom(atom, match); | | |
| 1777 | } | 1782 | } |
| 1778 | } | 1783 | } |
| 1779 | | 1784 | |
| ... | @@ -2609,8 +2614,9 @@ fn parseTextBlocks(self: *MachO) !void { | ... | @@ -2609,8 +2614,9 @@ fn parseTextBlocks(self: *MachO) !void { |
| 2609 | .alignment = 0, | 2614 | .alignment = 0, |
| 2610 | }; | 2615 | }; |
| 2611 | } | 2616 | } |
| | 2617 | const size = padToIdeal(sect.size); |
| 2612 | const alignment = try math.powi(u32, 2, sect.@"align"); | 2618 | const alignment = try math.powi(u32, 2, sect.@"align"); |
| 2613 | res.value_ptr.size += mem.alignForwardGeneric(u64, sect.size, alignment); | 2619 | res.value_ptr.size += mem.alignForwardGeneric(u64, size, alignment); |
| 2614 | res.value_ptr.alignment = math.max(res.value_ptr.alignment, sect.@"align"); | 2620 | res.value_ptr.alignment = math.max(res.value_ptr.alignment, sect.@"align"); |
| 2615 | } | 2621 | } |
| 2616 | } | 2622 | } |
| ... | @@ -2633,6 +2639,49 @@ fn parseTextBlocks(self: *MachO) !void { | ... | @@ -2633,6 +2639,49 @@ fn parseTextBlocks(self: *MachO) !void { |
| 2633 | for (self.objects.items) |*object, object_id| { | 2639 | for (self.objects.items) |*object, object_id| { |
| 2634 | try object.parseTextBlocks(self.base.allocator, @intCast(u16, object_id), self); | 2640 | try object.parseTextBlocks(self.base.allocator, @intCast(u16, object_id), self); |
| 2635 | } | 2641 | } |
| | 2642 | |
| | 2643 | // it = section_metadata.iterator(); |
| | 2644 | // while (it.next()) |entry| { |
| | 2645 | // const match = entry.key_ptr.*; |
| | 2646 | // const metadata = entry.value_ptr.*; |
| | 2647 | // const seg = self.load_commands.items[match.seg].Segment; |
| | 2648 | // const sect = seg.sections.items[match.sect]; |
| | 2649 | |
| | 2650 | // var buffer = try self.base.allocator.alloc(u8, metadata.size); |
| | 2651 | // defer self.base.allocator.free(buffer); |
| | 2652 | // log.warn("{s},{s} buffer size 0x{x}", .{ |
| | 2653 | // commands.segmentName(sect), |
| | 2654 | // commands.sectionName(sect), |
| | 2655 | // metadata.size, |
| | 2656 | // }); |
| | 2657 | |
| | 2658 | // var atom = self.blocks.get(match).?; |
| | 2659 | |
| | 2660 | // while (atom.prev) |prev| { |
| | 2661 | // atom = prev; |
| | 2662 | // } |
| | 2663 | |
| | 2664 | // const base = blk: { |
| | 2665 | // const sym = self.locals.items[atom.local_sym_index]; |
| | 2666 | // break :blk sym.n_value; |
| | 2667 | // }; |
| | 2668 | |
| | 2669 | // while (true) { |
| | 2670 | // const sym = self.locals.items[atom.local_sym_index]; |
| | 2671 | // const offset = sym.n_value - base; |
| | 2672 | // try atom.resolveRelocs(self); |
| | 2673 | // log.warn("writing atom for symbol {s} at buffer offset 0x{x}", .{ |
| | 2674 | // self.getString(sym.n_strx), |
| | 2675 | // offset, |
| | 2676 | // }); |
| | 2677 | // mem.copy(u8, buffer[offset..][0..atom.code.items.len], atom.code.items); |
| | 2678 | // atom.dirty = false; |
| | 2679 | |
| | 2680 | // if (atom.next) |next| { |
| | 2681 | // atom = next; |
| | 2682 | // } else break; |
| | 2683 | // } |
| | 2684 | // } |
| 2636 | } | 2685 | } |
| 2637 | | 2686 | |
| 2638 | fn addDataInCodeLC(self: *MachO) !void { | 2687 | fn addDataInCodeLC(self: *MachO) !void { |
| ... | @@ -3836,6 +3885,7 @@ fn growSection(self: *MachO, match: MatchingSection, new_size: u32) !void { | ... | @@ -3836,6 +3885,7 @@ fn growSection(self: *MachO, match: MatchingSection, new_size: u32) !void { |
| 3836 | const needed_size = mem.alignForwardGeneric(u32, ideal_size, alignment); | 3885 | const needed_size = mem.alignForwardGeneric(u32, ideal_size, alignment); |
| 3837 | | 3886 | |
| 3838 | if (needed_size > max_size) blk: { | 3887 | if (needed_size > max_size) blk: { |
| | 3888 | log.debug(" (need to grow!)", .{}); |
| 3839 | // Need to move all sections below in file and address spaces. | 3889 | // Need to move all sections below in file and address spaces. |
| 3840 | const offset_amt = offset: { | 3890 | const offset_amt = offset: { |
| 3841 | const max_alignment = try self.getSectionMaxAlignment(match.seg, match.sect + 1); | 3891 | const max_alignment = try self.getSectionMaxAlignment(match.seg, match.sect + 1); |
Jakub Konka <kubkon@jakubkonka.com> 2021-09-09 01:13:07+02:00
src