lld/test/ELF/non-abs-reloc.s

   1 // REQUIRES: x86
   2 // RUN: rm -rf %t && split-file %s %t && cd %t
   3 // RUN: llvm-mc -filetype=obj -triple=i386 --defsym X86_32=1 asm -o a.o
   4 // RUN: ld.lld -T lds a.o -o a 2>&1 | FileCheck %s --implicit-check-not=warning:
   5 // CHECK:      warning: {{.*}}.o:(.nonalloc1+0x1): has non-ABS relocation R_386_PC32 against symbol '_start'
   6 // CHECK-NEXT: warning: {{.*}}.o:(.nonalloc1+0x6): has non-ABS relocation R_386_PC32 against symbol 'ifunc'
   7 // CHECK-NEXT: warning: {{.*}}.o:(.nonalloc1+0xa): has non-ABS relocation R_386_PC32 against symbol ''
   8
   9 // RUN: llvm-objdump -D --no-show-raw-insn a | FileCheck --check-prefix=DISASM %s
  10 // DISASM:      Disassembly of section .nonalloc:
  11 // DISASM-EMPTY:
  12 // DISASM-NEXT: <.nonalloc>:
  13 // DISASM-NEXT:   0: nop
  14 // DISASM-NEXT:   1: call{{.}} 0x0
  15 // DISASM-NEXT:   6: call{{.}} 0x5
  16
  17 /// There is currently no error for -r. See also https://github.com/ClangBuiltLinux/linux/issues/1937
  18 // RUN: ld.lld -T lds -r a.o -o /dev/null 2>&1 | FileCheck %s --check-prefix=REL-R --implicit-check-not=warning:
  19 // REL-R: warning: {{.*}}:(.nonalloc1+0xa): has non-ABS relocation R_386_PC32 against symbol ''
  20
  21 // RUN: llvm-mc -filetype=obj -triple=x86_64 asm -o b.o
  22 // RUN: ld.lld -T lds b.o -o b 2>&1 | FileCheck %s --check-prefix=CHECK2 --implicit-check-not=warning:
  23 // RUN: llvm-objdump -D --no-show-raw-insn b | FileCheck --check-prefix=DISASM %s
  24 // RUN: ld.lld -T lds -r b.o -o /dev/null --fatal-warnings
  25 // CHECK2:      warning: {{.*}}.o:(.nonalloc1+0x1): has non-ABS relocation R_X86_64_PC32 against symbol '_start'
  26 // CHECK2-NEXT: warning: {{.*}}.o:(.nonalloc1+0x6): has non-ABS relocation R_X86_64_PC32 against symbol 'ifunc'
  27 // CHECK2-NEXT: warning: {{.*}}.o:(.nonalloc1+0xa): has non-ABS relocation R_X86_64_PC32 against symbol ''
  28
  29 //--- lds
  30 SECTIONS {
  31   .nonalloc 0 : { *(.nonalloc*) }
  32 }
  33 //--- asm
  34 .globl _start
  35 _start:
  36 .L0:
  37   nop
  38
  39 resolver: ret
  40 .type ifunc, @gnu_indirect_function
  41 .set ifunc, resolver
  42
  43 .section .nonalloc0
  44   nop
  45
  46 .section .nonalloc1
  47   .byte 0xe8
  48   .long _start - . - 4
  49   .byte 0xe8
  50   .long ifunc - .
  51   .long .nonalloc0 - .
  52
  53 // GCC may relocate DW_AT_GNU_call_site_value with R_386_GOTOFF.
  54 // https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98946
  55 .ifdef X86_32
  56 .section .debug_random
  57   .long .L0@gotoff
  58 .endif