Commit 8055f68765
Changed files (4)
src
src/arch/x86_64/CodeGen.zig
@@ -10235,7 +10235,7 @@ fn genCall(self: *Self, info: union(enum) {
if (self.bin_file.cast(link.File.Elf)) |elf_file| {
const sym_index = try elf_file.zigObjectPtr().?.getOrCreateMetadataForDecl(elf_file, func.owner_decl);
const sym = elf_file.symbol(sym_index);
- _ = try sym.getOrCreateZigGotEntry(sym_index, elf_file);
+ try sym.createZigGotEntry(sym_index, elf_file);
if (self.bin_file.options.pic) {
const callee_reg: Register = switch (resolved_cc) {
.SysV => callee: {
@@ -13103,7 +13103,7 @@ fn genLazySymbolRef(
const sym_index = elf_file.zigObjectPtr().?.getOrCreateMetadataForLazySymbol(elf_file, lazy_sym) catch |err|
return self.fail("{s} creating lazy symbol", .{@errorName(err)});
const sym = elf_file.symbol(sym_index);
- _ = try sym.getOrCreateZigGotEntry(sym_index, elf_file);
+ try sym.createZigGotEntry(sym_index, elf_file);
if (self.bin_file.options.pic) {
switch (tag) {
src/link/Elf/Symbol.zig
@@ -168,11 +168,17 @@ const GetOrCreateZigGotEntryResult = struct {
};
pub fn getOrCreateZigGotEntry(symbol: *Symbol, symbol_index: Index, elf_file: *Elf) !GetOrCreateZigGotEntryResult {
+ assert(!elf_file.isObject());
if (symbol.flags.has_zig_got) return .{ .found_existing = true, .index = symbol.extra(elf_file).?.zig_got };
const index = try elf_file.zig_got.addSymbol(symbol_index, elf_file);
return .{ .found_existing = false, .index = index };
}
+pub fn createZigGotEntry(symbol: *Symbol, symbol_index: Index, elf_file: *Elf) !void {
+ if (elf_file.isObject()) return;
+ _ = try symbol.getOrCreateZigGotEntry(symbol_index, elf_file);
+}
+
pub fn zigGotAddress(symbol: Symbol, elf_file: *Elf) u64 {
if (!symbol.flags.has_zig_got) return 0;
const extras = symbol.extra(elf_file).?;
src/link/Elf/ZigObject.zig
@@ -433,7 +433,6 @@ pub fn updateRelaSectionSizes(self: ZigObject, elf_file: *Elf) void {
}
pub fn writeRelaSections(self: ZigObject, elf_file: *Elf) !void {
- _ = self;
const gpa = elf_file.base.allocator;
for (&[_]?u16{
@@ -454,18 +453,18 @@ pub fn writeRelaSections(self: ZigObject, elf_file: *Elf) !void {
while (true) {
for (atom.relocs(elf_file)) |rel| {
- relocs.appendAssumeCapacity(switch (rel.r_type()) {
- Elf.R_X86_64_ZIG_GOT32 => .{
- .r_offset = rel.r_offset,
- .r_addend = rel.r_addend,
- .r_info = (@as(u64, @intCast(rel.r_sym())) << 32) | elf.R_X86_64_32,
- },
- Elf.R_X86_64_ZIG_GOTPCREL => .{
- .r_offset = rel.r_offset,
- .r_addend = rel.r_addend,
- .r_info = (@as(u64, @intCast(rel.r_sym())) << 32) | elf.R_X86_64_PC32,
- },
- else => rel,
+ var r_sym = rel.r_sym() & symbol_mask;
+ if (self.isGlobal(rel.r_sym())) r_sym += @intCast(self.local_esyms.slice().len + 1);
+ const r_type = switch (rel.r_type()) {
+ Elf.R_X86_64_ZIG_GOT32,
+ Elf.R_X86_64_ZIG_GOTPCREL,
+ => unreachable, // Sanity check if we accidentally emitted those.
+ else => |r_type| r_type,
+ };
+ relocs.appendAssumeCapacity(.{
+ .r_offset = rel.r_offset,
+ .r_addend = rel.r_addend,
+ .r_info = (@as(u64, @intCast(r_sym)) << 32) | r_type,
});
}
if (elf_file.atom(atom.prev_index)) |prev| {
@@ -486,17 +485,20 @@ pub fn writeRelaSections(self: ZigObject, elf_file: *Elf) !void {
}
}
+pub fn isGlobal(self: ZigObject, index: Symbol.Index) bool {
+ _ = self;
+ return index & global_symbol_bit != 0;
+}
+
pub fn symbol(self: *ZigObject, index: Symbol.Index) Symbol.Index {
- const is_global = index & global_symbol_bit != 0;
const actual_index = index & symbol_mask;
- if (is_global) return self.global_symbols.items[actual_index];
+ if (self.isGlobal(index)) return self.global_symbols.items[actual_index];
return self.local_symbols.items[actual_index];
}
pub fn elfSym(self: *ZigObject, index: Symbol.Index) *elf.Elf64_Sym {
- const is_global = index & global_symbol_bit != 0;
const actual_index = index & symbol_mask;
- if (is_global) return &self.global_esyms.items(.elf_sym)[actual_index];
+ if (self.isGlobal(index)) return &self.global_esyms.items(.elf_sym)[actual_index];
return &self.local_esyms.items(.elf_sym)[actual_index];
}
src/codegen.zig
@@ -909,7 +909,7 @@ fn genDeclRef(
}
const sym_index = try elf_file.zigObjectPtr().?.getOrCreateMetadataForDecl(elf_file, decl_index);
const sym = elf_file.symbol(sym_index);
- _ = try sym.getOrCreateZigGotEntry(sym_index, elf_file);
+ try sym.createZigGotEntry(sym_index, elf_file);
return GenResult.mcv(.{ .load_symbol = sym.esym_index });
} else if (bin_file.cast(link.File.MachO)) |macho_file| {
if (is_extern) {