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| author | Jakub Konka <kubkon@jakubkonka.com> | 2023-11-07 13:12:26 +0100 |
|---|---|---|
| committer | Jakub Konka <kubkon@jakubkonka.com> | 2023-11-07 13:31:31 +0100 |
| commit | c7ed7c4690dfa297c15b94fe7acba77c52d89e68 (patch) | |
| tree | c2e8791aefee2e92333ccea7491033179f559c6c /src/link/Elf/Object.zig | |
| parent | 3df53d1722da9e4fcc8606315c68ffb884a0dd5a (diff) | |
| download | zig-c7ed7c4690dfa297c15b94fe7acba77c52d89e68.tar.gz zig-c7ed7c4690dfa297c15b94fe7acba77c52d89e68.zip | |
elf: generate section symbols when writing symtab
Diffstat (limited to 'src/link/Elf/Object.zig')
| -rw-r--r-- | src/link/Elf/Object.zig | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/link/Elf/Object.zig b/src/link/Elf/Object.zig index cb258a4c22..73bd3a7fb3 100644 --- a/src/link/Elf/Object.zig +++ b/src/link/Elf/Object.zig @@ -211,6 +211,7 @@ fn addAtom(self: *Object, shdr: ElfShdr, shndx: u16, elf_file: *Elf) error{OutOf fn initOutputSection(self: Object, elf_file: *Elf, shdr: ElfShdr) error{OutOfMemory}!u16 { const name = blk: { const name = self.getString(shdr.sh_name); + if (elf_file.isRelocatable()) break :blk name; if (shdr.sh_flags & elf.SHF_MERGE != 0) break :blk name; const sh_name_prefixes: []const [:0]const u8 = &.{ ".text", ".data.rel.ro", ".data", ".rodata", ".bss.rel.ro", ".bss", @@ -237,7 +238,10 @@ fn initOutputSection(self: Object, elf_file: *Elf, shdr: ElfShdr) error{OutOfMem else => shdr.sh_type, }; const flags = blk: { - const flags = shdr.sh_flags & ~@as(u64, elf.SHF_COMPRESSED | elf.SHF_GROUP | elf.SHF_GNU_RETAIN); + var flags = shdr.sh_flags; + if (!elf_file.isRelocatable()) { + flags &= ~@as(u64, elf.SHF_COMPRESSED | elf.SHF_GROUP | elf.SHF_GNU_RETAIN); + } break :blk switch (@"type") { elf.SHT_INIT_ARRAY, elf.SHT_FINI_ARRAY => flags | elf.SHF_WRITE, else => flags, @@ -655,8 +659,13 @@ pub fn allocateAtoms(self: Object, elf_file: *Elf) void { } pub fn initRelaSections(self: Object, elf_file: *Elf) !void { - _ = self; - _ = elf_file; + for (self.atoms.items) |atom_index| { + const atom = elf_file.atom(atom_index) orelse continue; + if (!atom.flags.alive) continue; + const shndx = atom.relocsShndx() orelse continue; + const shdr = self.shdrs.items[shndx]; + _ = try self.initOutputSection(elf_file, shdr); + } } pub fn updateRelaSectionsSizes(self: Object, elf_file: *Elf) void { |