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// RUN: llvm-mc -filetype=obj -triple=thumbv7a-none-linux-gnueabi %p/Inputs/arm-plt-reloc.s -o %t1
// RUN: llvm-mc -filetype=obj -triple=thumbv7a-none-linux-gnueabi %s -o %t2
// RUN: ld.lld %t1 %t2 -o %t
// RUN: llvm-objdump -triple=thumbv7a-none-linux-gnueabi -d %t | FileCheck %s
// RUN: ld.lld --hash-style=sysv -shared %t1 %t2 -o %t3
// RUN: llvm-objdump -triple=thumbv7a-none-linux-gnueabi -d %t3 | FileCheck -check-prefix=DSOTHUMB %s
// RUN: llvm-objdump -triple=armv7a-none-linux-gnueabi -d %t3 | FileCheck -check-prefix=DSOARM %s
// RUN: llvm-readobj -s -r %t3 | FileCheck -check-prefix=DSOREL %s
// REQUIRES: arm
//
// Test PLT entry generation
.syntax unified
.text
.align 2
.globl _start
.type _start,%function
_start:
// FIXME, interworking is only supported for BL via BLX at the moment, when
// interworking thunks are available for b.w and b<cond>.w this can be altered
// to test the different forms of interworking.
bl func1
bl func2
bl func3
// Executable, expect no PLT
// CHECK: Disassembly of section .text:
// CHECK-NEXT: func1:
// CHECK-NEXT: 11000: 70 47 bx lr
// CHECK: func2:
// CHECK-NEXT: 11002: 70 47 bx lr
// CHECK: func3:
// CHECK-NEXT: 11004: 70 47 bx lr
// CHECK-NEXT: 11006: d4 d4
// CHECK: _start:
// 11008 + 4 -12 = 0x11000 = func1
// CHECK-NEXT: 11008: ff f7 fa ff bl #-12
// 1100c + 4 -14 = 0x11002 = func2
// CHECK-NEXT: 1100c: ff f7 f9 ff bl #-14
// 11010 + 4 -16 = 0x11004 = func3
// CHECK-NEXT: 11010: ff f7 f8 ff bl #-16
// Expect PLT entries as symbols can be preempted
// .text is Thumb and .plt is ARM, llvm-objdump can currently only disassemble
// as ARM or Thumb. Work around by disassembling twice.
// DSOTHUMB: Disassembly of section .text:
// DSOTHUMB-NEXT: func1:
// DSOTHUMB-NEXT: 1000: 70 47 bx lr
// DSOTHUMB: func2:
// DSOTHUMB-NEXT: 1002: 70 47 bx lr
// DSOTHUMB: func3:
// DSOTHUMB-NEXT: 1004: 70 47 bx lr
// DSOTHUMB-NEXT: 1006: d4 d4 bmi #-88
// DSOTHUMB: _start:
// 0x1008 + 0x34 + 4 = 0x1040 = PLT func1
// DSOTHUMB-NEXT: 1008: 00 f0 1a e8 blx #52
// 0x100c + 0x40 + 4 = 0x1050 = PLT func2
// DSOTHUMB-NEXT: 100c: 00 f0 20 e8 blx #64
// 0x1010 + 0x4C + 4 = 0x1060 = PLT func3
// DSOTHUMB-NEXT: 1010: 00 f0 26 e8 blx #76
// DSOARM: Disassembly of section .plt:
// DSOARM-NEXT: $a:
// DSOARM-NEXT: 1020: 04 e0 2d e5 str lr, [sp, #-4]!
// (0x1024 + 8) + (0 RoR 12) + (0 RoR 20) + (0xfdc) = 0x2008 = .got.plt[3]
// DSOARM-NEXT: 1024: 00 e6 8f e2 add lr, pc, #0, #12
// DSOARM-NEXT: 1028: 00 ea 8e e2 add lr, lr, #0, #20
// DSOARM-NEXT: 102c: dc ff be e5 ldr pc, [lr, #4060]!
// DSOARM: $d:
// DSOARM-NEXT: 1030: d4 d4 d4 d4 .word 0xd4d4d4d4
// DSOARM-NEXT: 1034: d4 d4 d4 d4 .word 0xd4d4d4d4
// DSOARM-NEXT: 1038: d4 d4 d4 d4 .word 0xd4d4d4d4
// DSOARM-NEXT: 103c: d4 d4 d4 d4 .word 0xd4d4d4d4
// DSOARM: $a:
// (0x1040 + 8) + (0 RoR 12) + (0 RoR 20) + (0xfc4) = 0x200c
// DSOARM-NEXT: 1040: 00 c6 8f e2 add r12, pc, #0, #12
// DSOARM-NEXT: 1044: 00 ca 8c e2 add r12, r12, #0, #20
// DSOARM-NEXT: 1048: c4 ff bc e5 ldr pc, [r12, #4036]!
// DSOARM: $d:
// DSOARM-NEXT: 104c: d4 d4 d4 d4 .word 0xd4d4d4d4
// DSOARM: $a:
// (0x1050 + 8) + (0 RoR 12) + (0 RoR 20) + (0xfb8) = 0x2010
// DSOARM-NEXT: 1050: 00 c6 8f e2 add r12, pc, #0, #12
// DSOARM-NEXT: 1054: 00 ca 8c e2 add r12, r12, #0, #20
// DSOARM-NEXT: 1058: b8 ff bc e5 ldr pc, [r12, #4024]!
// DSOARM: $d:
// DSOARM-NEXT: 105c: d4 d4 d4 d4 .word 0xd4d4d4d4
// DSOARM: $a:
// (0x1060 + 8) + (0 RoR 12) + (0 RoR 20) + (0xfac) = 0x2014
// DSOARM-NEXT: 1060: 00 c6 8f e2 add r12, pc, #0, #12
// DSOARM-NEXT: 1064: 00 ca 8c e2 add r12, r12, #0, #20
// DSOARM-NEXT: 1068: ac ff bc e5 ldr pc, [r12, #4012]!
// DSOARM: $d:
// DSOARM-NEXT: 106c: d4 d4 d4 d4 .word 0xd4d4d4d4
// DSOREL: Name: .got.plt
// DSOREL-NEXT: Type: SHT_PROGBITS
// DSOREL-NEXT: Flags [
// DSOREL-NEXT: SHF_ALLOC
// DSOREL-NEXT: SHF_WRITE
// DSOREL-NEXT: ]
// DSOREL-NEXT: Address: 0x2000
// DSOREL-NEXT: Offset:
// DSOREL-NEXT: Size: 24
// DSOREL-NEXT: Link:
// DSOREL-NEXT: Info:
// DSOREL-NEXT: AddressAlignment: 4
// DSOREL-NEXT: EntrySize:
// DSOREL: Relocations [
// DSOREL-NEXT: Section (4) .rel.plt {
// DSOREL-NEXT: 0x200C R_ARM_JUMP_SLOT func1 0x0
// DSOREL-NEXT: 0x2010 R_ARM_JUMP_SLOT func2 0x0
// DSOREL-NEXT: 0x2014 R_ARM_JUMP_SLOT func3 0x0
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