lld/test/ELF/x86-64-reloc-gotoff64.s

   1 // REQUIRES: x86
   2 // RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
   3 // RUN: ld.lld %t.o -shared -o %t.so
   4 // RUN: llvm-readelf -S %t.so | FileCheck %s -check-prefix=SECTION
   5 // RUN: llvm-objdump --no-print-imm-hex -d %t.so | FileCheck %s
   6
   7 // SECTION: .dynamic DYNAMIC 0000000000002290
   8 // SECTION: .got.plt PROGBITS 0000000000003300 000300 000018
   9
  10 // The assembly is generated by
  11 // gcc -O2 -S -mcmodel=medium -fPIC a.c
  12 // This computes the pc-relative address (runtime address) of _DYNAMIC.
  13 //
  14 // extern long _DYNAMIC[] __attribute__((visibility("hidden")));
  15 // long* dynamic() { return _DYNAMIC; }
  16
  17 // 0x3300 (.got.plt) - 0x127b = 8325
  18 // 0x2290 (_DYNAMIC) - 0x3300 (.got.plt) = -4208
  19 // CHECK:      1274: {{.*}} leaq 8325(%rip), %rdx
  20 // CHECK-NEXT: 127b: {{.*}} movabsq $-4208, %rax
  21 .global dynamic
  22 dynamic:
  23   leaq _GLOBAL_OFFSET_TABLE_(%rip), %rdx
  24   movabsq $_DYNAMIC@GOTOFF, %rax
  25   addq %rdx, %rax
  26   ret