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x86_64: split MCValue.tlv_reloc into .load_tlv and .lea_tlv

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`.load_tlv` signifies we want to load the value of a TLV
`.lea_tlv` signifies we want to load effective address of a TLV
This commit is contained in:
Jakub Konka
2023-04-15 00:57:17 +02:00
parent 0733c8c5ca
commit 179117c114
6 changed files with 126 additions and 63 deletions
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8
src/codegen.zig
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@@ -932,10 +932,10 @@ pub const GenResult = union(enum) {
/// such as ARM, the immediate will never exceed 32-bits.
immediate: u64,
linker_load: LinkerLoad,
/// Pointer to a threadlocal variable.
/// The address resolution will be deferred until the linker allocates everything in virtual memory.
/// Threadlocal variable with address deferred until the linker allocates
/// everything in virtual memory.
/// Payload is a symbol index.
tlv_reloc: u32,
load_tlv: u32,
/// Direct by-address reference to memory location.
memory: u64,
};
@@ -1005,7 +1005,7 @@ fn genDeclRef(
const atom_index = try macho_file.getOrCreateAtomForDecl(decl_index);
const sym_index = macho_file.getAtom(atom_index).getSymbolIndex().?;
if (is_threadlocal) {
return GenResult.mcv(.{ .tlv_reloc = sym_index });
return GenResult.mcv(.{ .load_tlv = sym_index });
}
return GenResult.mcv(.{ .linker_load = .{
.type = .got,