xref: /llvm-project/lld/test/ELF/tls-mismatch.s (revision ba061713d3103c1f84312901d7ad29f39a700616)
1# REQUIRES: x86
2# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
3# RUN: echo 'movq tls1@GOTTPOFF(%rip), %rax' | llvm-mc -filetype=obj -triple=x86_64 - -o %t1.o
4# RUN: ld.lld %t1.o %t.o -o /dev/null
5# RUN: ld.lld %t.o %t1.o -o /dev/null
6# RUN: ld.lld --start-lib %t.o --end-lib %t1.o -o /dev/null
7# RUN: ld.lld %t1.o --start-lib %t.o --end-lib -o /dev/null
8
9## The TLS definition mismatches a non-TLS reference.
10# RUN: echo '.type tls1,@object; movq tls1,%rax' | llvm-mc -filetype=obj -triple=x86_64 - -o %t2.o
11# RUN: not ld.lld %t2.o %t.o -o /dev/null 2>&1 | FileCheck %s
12# RUN: not ld.lld %t.o %t2.o -o /dev/null 2>&1 | FileCheck %s
13
14## We fail to flag the STT_NOTYPE reference. This usually happens with hand-written
15## assembly because compiler-generated code properly sets symbol types.
16# RUN: echo 'movq tls1,%rax' | llvm-mc -filetype=obj -triple=x86_64 - -o %t3.o
17# RUN: ld.lld %t3.o %t.o -o /dev/null
18
19## Overriding a TLS definition with a non-TLS definition does not make sense.
20## We fail to flag this case.
21# RUN: ld.lld --defsym tls1=42 %t.o -o /dev/null 2>&1 | count 0
22
23## Part of PR36049: This should probably be allowed.
24# RUN: ld.lld --defsym tls1=tls2 %t.o -o /dev/null 2>&1 | count 0
25
26## An undefined symbol in module-level inline assembly of a bitcode file
27## is considered STT_NOTYPE. We should not error.
28# RUN: echo 'target triple = "x86_64-pc-linux-gnu" \
29# RUN:   target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" \
30# RUN:   module asm "movq tls1@GOTTPOFF(%rip), %rax"' | llvm-as - -o %t.bc
31# RUN: ld.lld %t.o %t.bc -o /dev/null
32# RUN: ld.lld %t.bc %t.o -o /dev/null
33
34# CHECK: error: TLS attribute mismatch: tls1
35# CHECK-NEXT: >>> in {{.*}}.tmp.o
36# CHECK-NEXT: >>> in {{.*}}
37
38.globl _start
39_start:
40  addl $1, %fs:tls1@TPOFF
41  addl $2, %fs:tls2@TPOFF
42
43.tbss
44.globl tls1, tls2
45  .space 8
46tls1:
47  .space 4
48tls2:
49  .space 4
50