File: arm64-reloc-pointer-to-got.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 (36 lines) | stat: -rw-r--r-- 1,015 bytes parent folder | download | duplicates (9) 
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
33
34
35
36
 
# REQUIRES: aarch64

# RUN: llvm-mc -filetype=obj -triple=arm64-apple-darwin %s -o %t.o
# RUN: %lld -lSystem -arch arm64 -o %t %t.o
# RUN: llvm-objdump --macho -d --full-contents --section-headers %t | FileCheck %s

## FIXME: Even though we have reserved a GOT slot for _foo due to
## POINTER_TO_GOT, we should still be able to relax this GOT_LOAD reference to
## it.
# CHECK:      _main:
# CHECK-NEXT: adrp x8, [[#]] ; 0x100004000
# CHECK-NEXT: ldr  x8, [x8]
# CHECK-NEXT: ret

# CHECK: Idx   Name          Size     VMA              Type
# CHECK: [[#]] __got         00000008 0000000100004000 DATA
# CHECK: [[#]] __data        00000004 0000000100008000 DATA

## The relocated data should contain the difference between the addresses of
## __data and __got in little-endian form.
# CHECK:       Contents of section __DATA,__data:
# CHECK-NEXT:  100008000 00c0ffff

.globl _main, _foo
.p2align 2
_main:
  adrp x8, _foo@GOTPAGE
  ldr  x8, [x8, _foo@GOTPAGEOFF]
  ret

.p2align 2
_foo:
  ret

.data
.long _foo@GOT - .