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codegen: implement more missing bits

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This commit is contained in:
Jakub Konka 2024-01-18 19:11:48 +01:00
parent 96cc9fafbf
commit a79a038e61
2 changed files with 26 additions and 22 deletions
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41
src/arch/x86_64/CodeGen.zig
View File

@ -13507,24 +13507,27 @@ fn genSetReg(self: *Self, dst_reg: Register, ty: Type, src_mcv: MCValue) InnerEr
},
.lea_symbol => |sym_index| {
const atom_index = try self.owner.getSymbolIndex(self);
if (self.bin_file.cast(link.File.Elf)) |_| {
try self.asmRegisterMemory(
.{ ._, .lea },
dst_reg.to64(),
.{
.base = .{ .reloc = .{
.atom_index = atom_index,
.sym_index = sym_index.sym,
} },
.mod = .{ .rm = .{
.size = .qword,
.disp = sym_index.off,
} },
},
);
} else return self.fail("TODO emit symbol sequence on {s}", .{
@tagName(self.bin_file.tag),
});
switch (self.bin_file.tag) {
.elf, .macho => {
try self.asmRegisterMemory(
.{ ._, .lea },
dst_reg.to64(),
.{
.base = .{ .reloc = .{
.atom_index = atom_index,
.sym_index = sym_index.sym,
} },
.mod = .{ .rm = .{
.size = .qword,
.disp = sym_index.off,
} },
},
);
},
else => return self.fail("TODO emit symbol sequence on {s}", .{
@tagName(self.bin_file.tag),
}),
}
},
.lea_direct, .lea_got => |sym_index| {
const atom_index = try self.owner.getSymbolIndex(self);
@ -16066,7 +16069,7 @@ fn resolveInst(self: *Self, ref: Air.Inst.Ref) InnerError!MCValue {
);
break :init .{ .load_frame = .{ .index = frame_index } };
} else if (self.bin_file.cast(link.File.MachO)) |_| {
return self.fail("TODO implement lowering TLV variable to stack", .{});
return self.fail("TODO implement saving TLV variable to stack", .{});
} else break :init const_mcv,
else => break :init const_mcv,
}

7
src/codegen.zig
View File

@ -998,9 +998,10 @@ fn genDeclRef(
}
const sym_index = try macho_file.getZigObject().?.getOrCreateMetadataForDecl(macho_file, decl_index);
const sym = macho_file.getSymbol(sym_index);
if (is_threadlocal) {
return GenResult.mcv(.{ .load_tlv = sym.nlist_idx });
}
// TODO: tlv
// if (is_threadlocal) {
// return GenResult.mcv(.{ .load_tlv = sym.nlist_idx });
// }
return GenResult.mcv(.{ .load_symbol = sym.nlist_idx });
} else if (lf.cast(link.File.Coff)) |coff_file| {
if (is_extern) {