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elf+aarch64: handle gottp and .tls_common

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This commit is contained in:
Jakub Konka 2024-03-08 14:43:23 +01:00
parent 7258d143e3
commit b343103567
1 changed files with 23 additions and 0 deletions
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23
src/link/Elf/Atom.zig
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@ -1628,6 +1628,12 @@ const aarch64 = struct {
if (is_dyn_lib) try atom.reportPicError(symbol, rel, elf_file);
},
.TLSIE_ADR_GOTTPREL_PAGE21,
.TLSIE_LD64_GOTTPREL_LO12_NC,
=> {
symbol.flags.needs_gottp = true;
},
.TLSDESC_ADR_PAGE21,
.TLSDESC_LD64_LO12,
.TLSDESC_ADD_LO12,
@ -1769,6 +1775,23 @@ const aarch64 = struct {
aarch64_util.writeAddImmInst(@bitCast(value), code);
},
.TLSIE_ADR_GOTTPREL_PAGE21 => {
const S_: i64 = @intCast(target.gotTpAddress(elf_file));
const saddr: u64 = @intCast(P);
const taddr: u64 = @intCast(S_ + A);
relocs_log.debug(" [{x} => {x}]", .{ P, taddr });
const pages: u21 = @bitCast(try aarch64_util.calcNumberOfPages(saddr, taddr));
aarch64_util.writeAdrpInst(pages, code);
},
.TLSIE_LD64_GOTTPREL_LO12_NC => {
const S_: i64 = @intCast(target.gotTpAddress(elf_file));
const taddr: u64 = @intCast(S_ + A);
relocs_log.debug(" [{x} => {x}]", .{ P, taddr });
const offset: u12 = try math.divExact(u12, @truncate(taddr), 8);
aarch64_util.writeLoadStoreRegInst(offset, code);
},
.TLSDESC_ADR_PAGE21 => {
if (target.flags.has_tlsdesc) {
const S_: i64 = @intCast(target.tlsDescAddress(elf_file));