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macho: update codegen and linker to distributed jump table approach

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This commit is contained in:
Jakub Konka
2024-08-16 14:52:55 +02:00
parent bb70501060
commit 96441bd829
11 changed files with 147 additions and 272 deletions
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6
src/codegen.zig
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@@ -910,15 +910,15 @@ fn genNavRef(
const zo = macho_file.getZigObject().?;
if (is_extern) {
const sym_index = try macho_file.getGlobalSymbol(name.toSlice(ip), lib_name.toSlice(ip));
zo.symbols.items[sym_index].setSectionFlags(.{ .needs_got = true });
return .{ .mcv = .{ .load_symbol = sym_index } };
zo.symbols.items[sym_index].flags.is_extern_ptr = true;
return GenResult.mcv(.{ .lea_symbol = sym_index });
}
const sym_index = try zo.getOrCreateMetadataForNav(macho_file, nav_index);
const sym = zo.symbols.items[sym_index];
if (!single_threaded and is_threadlocal) {
return .{ .mcv = .{ .load_tlv = sym.nlist_idx } };
}
return .{ .mcv = .{ .load_symbol = sym.nlist_idx } };
return GenResult.mcv(.{ .lea_symbol = sym.nlist_idx });
} else if (lf.cast(.coff)) |coff_file| {
if (is_extern) {
// TODO audit this