| ... | ... | @@ -3403,6 +3403,15 @@ fn initMetadata(self: *MachO, options: InitMetadataOptions) !void { |
| 3403 | 3403 | } |
| 3404 | 3404 | }.appendSect; |
| 3405 | 3405 | |
| 3406 | const allocSect = struct { |
| 3407 | fn allocSect(macho_file: *MachO, sect_id: u8, size: u64) !void { |
| 3408 | const sect = &macho_file.sections.items(.header)[sect_id]; |
| 3409 | const alignment = try math.powi(u32, 2, sect.@"align"); |
| 3410 | sect.offset = @intCast(macho_file.findFreeSpace(size, alignment)); |
| 3411 | sect.size = size; |
| 3412 | } |
| 3413 | }.allocSect; |
| 3414 | |
| 3406 | 3415 | { |
| 3407 | 3416 | self.zig_text_sect_index = try self.addSection("__TEXT_ZIG", "__text_zig", .{ |
| 3408 | 3417 | .alignment = switch (self.getTarget().cpu.arch) { |
| ... | ... | @@ -3412,7 +3421,11 @@ fn initMetadata(self: *MachO, options: InitMetadataOptions) !void { |
| 3412 | 3421 | }, |
| 3413 | 3422 | .flags = macho.S_REGULAR | macho.S_ATTR_PURE_INSTRUCTIONS | macho.S_ATTR_SOME_INSTRUCTIONS, |
| 3414 | 3423 | }); |
| 3415 | | if (!self.base.isRelocatable()) appendSect(self, self.zig_text_sect_index.?, self.zig_text_seg_index.?); |
| 3424 | if (self.base.isRelocatable()) { |
| 3425 | try allocSect(self, self.zig_text_sect_index.?, options.program_code_size_hint); |
| 3426 | } else { |
| 3427 | appendSect(self, self.zig_text_sect_index.?, self.zig_text_seg_index.?); |
| 3428 | } |
| 3416 | 3429 | } |
| 3417 | 3430 | |
| 3418 | 3431 | if (!self.base.isRelocatable()) { |
| ... | ... | @@ -3424,19 +3437,31 @@ fn initMetadata(self: *MachO, options: InitMetadataOptions) !void { |
| 3424 | 3437 | |
| 3425 | 3438 | { |
| 3426 | 3439 | self.zig_const_sect_index = try self.addSection("__CONST_ZIG", "__const_zig", .{}); |
| 3427 | | if (!self.base.isRelocatable()) appendSect(self, self.zig_const_sect_index.?, self.zig_const_seg_index.?); |
| 3440 | if (self.base.isRelocatable()) { |
| 3441 | try allocSect(self, self.zig_const_sect_index.?, 1024); |
| 3442 | } else { |
| 3443 | appendSect(self, self.zig_const_sect_index.?, self.zig_const_seg_index.?); |
| 3444 | } |
| 3428 | 3445 | } |
| 3429 | 3446 | |
| 3430 | 3447 | { |
| 3431 | 3448 | self.zig_data_sect_index = try self.addSection("__DATA_ZIG", "__data_zig", .{}); |
| 3432 | | if (!self.base.isRelocatable()) appendSect(self, self.zig_data_sect_index.?, self.zig_data_seg_index.?); |
| 3449 | if (self.base.isRelocatable()) { |
| 3450 | try allocSect(self, self.zig_data_sect_index.?, 1024); |
| 3451 | } else { |
| 3452 | appendSect(self, self.zig_data_sect_index.?, self.zig_data_seg_index.?); |
| 3453 | } |
| 3433 | 3454 | } |
| 3434 | 3455 | |
| 3435 | 3456 | { |
| 3436 | 3457 | self.zig_bss_sect_index = try self.addSection("__BSS_ZIG", "__bss_zig", .{ |
| 3437 | 3458 | .flags = macho.S_ZEROFILL, |
| 3438 | 3459 | }); |
| 3439 | | if (!self.base.isRelocatable()) appendSect(self, self.zig_bss_sect_index.?, self.zig_bss_seg_index.?); |
| 3460 | if (self.base.isRelocatable()) { |
| 3461 | self.sections.items(.header)[self.zig_bss_sect_index.?].size = 1024; |
| 3462 | } else { |
| 3463 | appendSect(self, self.zig_bss_sect_index.?, self.zig_bss_seg_index.?); |
| 3464 | } |
| 3440 | 3465 | } |
| 3441 | 3466 | } |
| 3442 | 3467 | |
Jakub Konka <kubkon@jakubkonka.com> 2024-02-01 12:56:54+01:00
src