File: aarch64-gnu-ifunc2.s

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (48 lines) | stat: -rw-r--r-- 1,361 bytes parent folder | download | duplicates (2)
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
37
38
39
40
41
42
43
44
45
46
47
48
# REQUIRES: aarch64
# RUN: llvm-mc -filetype=obj -triple=aarch64-none-linux-gnu %s -o %t.o
# RUN: ld.lld %t.o -o %t
# RUN: llvm-objdump -d --no-show-raw-insn --print-imm-hex %t | FileCheck %s
# RUN: llvm-readelf -S %t | FileCheck %s --check-prefix=SEC
# RUN: llvm-readobj -r %t | FileCheck %s --check-prefix=RELOC

# CHECK:      Disassembly of section .text:
# CHECK-EMPTY:
# CHECK-NEXT: <myfunc>:
# CHECK-NEXT:   210170:

# CHECK:      <main>:
# .got.plt - page(0x210174) = 0x220190 - 0x210000 = 0x10190
# CHECK-NEXT:   210174: adrp    x8, #0x10000
# CHECK-NEXT:   210178: ldr     x8, [x8, #0x190]
# CHECK-NEXT:   21017c: ret

# CHECK:      Disassembly of section .iplt:
# CHECK-EMPTY:
# CHECK-NEXT: <.iplt>:
# .got.plt - page(0x210180) = 0x220190 - 0x210000 = 0x10190
# CHECK-NEXT:   210180: adrp    x16, #0x10000
# CHECK-NEXT:   210184: ldr     x17, [x16, #0x190]
# CHECK-NEXT:   210188: add     x16, x16, #0x190
# CHECK-NEXT:   21018c: br      x17

# SEC: .got.plt PROGBITS 0000000000220190 000190 000008 00 WA 0 0 8

# RELOC:      Relocations [
# RELOC-NEXT:   Section {{.*}} .rela.dyn {
# RELOC-NEXT:     0x220190 R_AARCH64_IRELATIVE - 0x210170
# RELOC-NEXT:   }
# RELOC-NEXT: ]

.text
.globl myfunc
.type myfunc,@gnu_indirect_function
myfunc:
 ret

.text
.globl main
.type main,@function
main:
 adrp x8, :got:myfunc
 ldr  x8, [x8, :got_lo12:myfunc]
 ret