forked from OSchip/llvm-project
54 lines
1.6 KiB
ArmAsm
54 lines
1.6 KiB
ArmAsm
|
// REQUIRES: arm
|
||
|
|
// RUN: llvm-mc -position-independent -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t.o
|
||
|
|
// RUN: ld.lld %t.o -shared -o %t
|
||
|
|
// RUN: llvm-readobj -s -symbols -dyn-relocations %t | FileCheck %s
|
||
|
|
// RUN: llvm-objdump -d -triple=armv7a-none-linux-gnueabi %t | FileCheck -check-prefix=CODE %s
|
||
|
|
.syntax unified
|
||
|
|
.text
|
||
|
|
.globl _start
|
||
|
|
.align 2
|
||
|
|
_start:
|
||
|
|
.type _start, %function
|
||
|
|
ldr r3, .LGOT
|
||
|
|
ldr r2, .LGOT+4
|
||
|
|
.LPIC:
|
||
|
|
add r0, pc, r3
|
||
|
|
bx lr
|
||
|
|
.align 2
|
||
|
|
.LGOT:
|
||
|
|
// gas implicitly uses (GOT_PREL) for _GLOBAL_OFFSET_TABLE_ in PIC
|
||
|
|
// llvm-mc needs the (GOT_PREL) suffix or it generates R_ARM_REL32
|
||
|
|
.word _GLOBAL_OFFSET_TABLE_(GOT_PREL) - (.LPIC+8)
|
||
|
|
.word function(GOT)
|
||
|
|
|
||
|
|
.globl function
|
||
|
|
.align 2
|
||
|
|
function:
|
||
|
|
.type function, %function
|
||
|
|
bx lr
|
||
|
|
|
||
|
|
// CHECK: Dynamic Relocations {
|
||
|
|
// CHECK-NEXT: 0x204C R_ARM_GLOB_DAT function 0x0
|
||
|
|
|
||
|
|
// CHECK: Name: _GLOBAL_OFFSET_TABLE_ (16)
|
||
|
|
// CHECK-NEXT: Value: 0x0
|
||
|
|
// CHECK-NEXT: Size:
|
||
|
|
// CHECK-NEXT: Binding: Local
|
||
|
|
// CHECK-NEXT: Type: None
|
||
|
|
// CHECK-NEXT: Other [
|
||
|
|
// CHECK-NEXT: STV_HIDDEN
|
||
|
|
// CHECK-NEXT: ]
|
||
|
|
// CHECK-NEXT: Section: Absolute
|
||
|
|
|
||
|
|
// CODE: Disassembly of section .text:
|
||
|
|
// CODE-NEXT: _start:
|
||
|
|
// CODE-NEXT: 1000: 08 30 9f e5 ldr r3, [pc, #8]
|
||
|
|
// CODE-NEXT: 1004: 08 20 9f e5 ldr r2, [pc, #8]
|
||
|
|
// CODE-NEXT: 1008: 03 00 8f e0 add r0, pc, r3
|
||
|
|
// CODE-NEXT: 100c: 1e ff 2f e1 bx lr
|
||
|
|
// CODE:$d.1:
|
||
|
|
// (_GLOBAL_OFFSET_TABLE_ = 0x2048) - (0x1008 + 8) 0x1038
|
||
|
|
// CODE-NEXT: 1010: 38 10 00 00
|
||
|
|
// (Got(function) - GotBase = 0x4
|
||
|
|
// CODE-NEXT: 1014: 04 00 00 00
|