File: arm-thumb-adr.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 (44 lines) | stat: -rw-r--r-- 1,076 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
33
34
35
36
37
38
39
40
41
42
43
44
// REQUIRES: arm
// RUN: llvm-mc --triple=thumbv6m-none-eabi --arm-add-build-attributes -filetype=obj -o %t.o %s
// RUN: ld.lld %t.o -o %t
// RUN: llvm-objdump -d --no-show-raw-insn %t --triple=thumbv6m-none-eabi | FileCheck %s

/// Test R_ARM_THM_PC8 as used in the adr pseudo instruction. Only positive
/// 4-byte aligned offsets are permitted.
 .section .text.01, "ax", %progbits
 .balign 4
 .global _start
 .thumb_func
_start:
/// adr r0, target1
 .inst.n 0xa0ff
 .reloc 0, R_ARM_THM_PC8, target1
/// adr r1, target2
 .inst.n 0xa1ff
 .reloc 2, R_ARM_THM_PC8, target2
 .section .text.02, "ax", %progbits
 .balign 4
 .global target1
 .type target1, %function
target1:
 nop
 bx lr
 .section .text.03, "ax", %progbits
 .balign 4
 .space 1016
 .type target2, %function
target2:
 nop
 bx lr

// CHECK: 000200b4 <_start>:
// CHECK-NEXT: 200b4: adr     r0, #0
// CHECK-NEXT: 200b6: adr     r1, #1020

// CHECK: 000200b8 <target1>:
// CHECK-NEXT: 200b8: nop
// CHECK-NEXT: 200ba: bx      lr

// CHECK: 000204b4 <target2>:
// CHECK-NEXT: 204b4: nop
// CHECK-NEXT: 204b6: bx      lr