https://sourceware.org/bugzilla/show_bug.cgi?id=19796
Bug ID: 19796
Summary: dynamic relocation missing simbol
Product: binutils
Version: 2.27 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: ld
Assignee: unassigned at sourceware dot org
Reporter: rafael.espindola at gmail dot com
Target Milestone: ---
Given
------------------------------
bar:
movq %fs:0, %rax
addq foo@GOTTPOFF(%rip), %rax
retq
.section .tbss,"awT",@nobits
foo:
.long 0
----------------------------
running ld.bfd test.o -o test.so -shared
will produce a file with a relocation that points to no symbol:
Offset Info Type Sym. Value Sym. Name +
Addend
0000002002e8 000000000012 R_X86_64_TPOFF64 0
with gold you get the expected result:
Offset Info Type Sym. Value Sym. Name +
Addend
000000001348 000100000012 R_X86_64_TPOFF64 0000000000000000 foo + 0
The above assembly is a simplification of
__attribute__((tls_model("initial-exec"))) static __thread int foo;
int *bar() {return &foo; }
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