File: pack-dyn-relocs-tls-x86-64.s

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,696 kB
  • sloc: cpp: 7,438,781; ansic: 1,393,871; asm: 1,012,926; python: 241,771; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 8,596; ml: 5,082; perl: 4,730; makefile: 3,591; awk: 3,523; javascript: 2,251; xml: 892; fortran: 672
file content (32 lines) | stat: -rw-r--r-- 920 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
// REQUIRES: x86

// RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
// RUN: ld.lld -shared --pack-dyn-relocs=android %t.o -o %t.so
// RUN: llvm-readobj -r %t.so | FileCheck %s

// Bug 37841: Symbol::getVA must work on TLS symbols during the layout loop in
// finalizeSections. This test uses an atypical IE access in a shared object to
// access a local TLS symbol, because a more typical access would avoid the
// bug.

    .globl  foo
foo:
    movq    tlsvar@GOTTPOFF(%rip), %rcx
    movq    tlsvar2@GOTTPOFF(%rip), %r31
    addq    tlsvar3@GOTTPOFF(%rip), %rcx, %r16


    .section    .tdata,"awT",@progbits
    .space 0x1234
tlsvar:
    .word   42
tlsvar2:
    .word   42
tlsvar3:
    .word   42

// CHECK:          Section ({{.+}}) .rela.dyn {
// CHECK-NEXT:     R_X86_64_TPOFF64 - 0x1234
// CHECK-NEXT:     R_X86_64_TPOFF64 - 0x1236
// CHECK-NEXT:     R_X86_64_TPOFF64 - 0x1238
// CHECK-NEXT:     }