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// REQUIRES: arm
// RUN: llvm-mc --arm-add-build-attributes -filetype=obj -triple=thumbv7a-none-linux-gnueabi %s -o %t
// RUN: ld.lld %t -o %t2
// RUN: llvm-objdump --triple=thumbv7a-none-linux-gnueabi -d %t2 | FileCheck %s
/// Check that the ARM ABI rules for undefined weak symbols are applied.
/// Branch instructions are resolved to the next instruction. Relative
/// relocations are resolved to the place.
.syntax unified
.weak target
.type target, %function
.text
.global _start
_start:
/// R_ARM_THM_JUMP19
beq.w target
/// R_ARM_THM_JUMP24
b.w target
/// R_ARM_THM_CALL
bl target
/// R_ARM_THM_CALL with exchange
blx target
/// R_ARM_THM_MOVT_PREL
movt r0, :upper16:target - .
/// R_ARM_THM_MOVW_PREL_NC
movw r0, :lower16:target - .
/// R_ARM_THM_ALU_PREL_11_0
/// adr r0, target
.inst.w 0xf2af0004
.reloc 0x18, R_ARM_THM_ALU_PREL_11_0, target
/// R_ARM_THM_PC12
/// ldr r0, target
.inst.w 0xf85f0004
.reloc 0x1c, R_ARM_THM_PC12, target
// CHECK: Disassembly of section .text:
// CHECK-EMPTY:
// CHECK: 200b4: {{.*}} beq.w #0 <_start+0x4>
// CHECK-NEXT: 200b8: {{.*}} b.w #0 <_start+0x8>
// CHECK-NEXT: 200bc: {{.*}} bl #0
/// blx is transformed into bl so we don't change state
// CHECK-NEXT: 200c0: {{.*}} bl #0
// CHECK-NEXT: 200c4: {{.*}} movt r0, #0
// CHECK-NEXT: 200c8: {{.*}} movw r0, #0
// CHECK-NEXT: 200cc: {{.*}} adr.w r0, #-4
// CHECK-NEXT: 200d0: {{.*}} ldr.w r0, [pc, #-4]
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