R_X86_64_TPOFF64 does not require symbol, allow it to be unset

2021-12-14 14:53:16 -07:00
parent e90fa3e32f
commit ecd934951d
1 changed files with 8 additions and 4 deletions
@@ -398,10 +398,14 @@ impl Linker {
                        set_u64((b + a) as u64);
                    }
                    reloc::R_X86_64_TPOFF64 => {
-                        let sym = symbol
-                            .as_ref()
-                            .expect("R_X86_64_TPOFF64 called without valid symbol");
-                        set_u64((sym.value + a).wrapping_sub(t) as u64);
+                        if rel.r_sym > 0 {
+                            let sym = symbol
+                                .as_ref()
+                                .expect("R_X86_64_TPOFF64 called without valid symbol");
+                            set_u64((sym.value + a).wrapping_sub(t) as u64);
+                        } else {
+                            set_u64(a.wrapping_sub(t) as u64);
+                        }
                    }
                    reloc::R_X86_64_IRELATIVE => unsafe {
                        let f: unsafe extern "C" fn() -> u64 = transmute(b + a);