1// REQUIRES: arm 2// RUN: rm -rf %t && split-file %s %t 3// RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv4-none-linux-gnueabi %t/a.s -o %t/a.o 4// RUN: ld.lld %t/a.o --script %t/far.lds -o %t/a-far 5// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4-none-linux-gnueabi %t/a-far | FileCheck %s --check-prefixes=FAR 6// RUN: ld.lld %t/a.o --script %t/near.lds -o %t/a-near 7// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4-none-linux-gnueabi %t/a-near | FileCheck %s --check-prefixes=NEAR 8// RUN: ld.lld %t/a.o -pie --script %t/far.lds -o %t/a-far-pie 9// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4-none-linux-gnueabi %t/a-far-pie | FileCheck %s --check-prefixes=FAR-PIE 10// RUN: ld.lld %t/a.o -pie --script %t/near.lds -o %t/a-near-pie 11// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4-none-linux-gnueabi %t/a-near-pie | FileCheck %s --check-prefixes=NEAR 12 13// RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv4eb-none-linux-gnueabi %t/a.s -o %t/a.o 14// RUN: ld.lld %t/a.o --script %t/far.lds -o %t/a-far 15// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4eb-none-linux-gnueabi %t/a-far | FileCheck %s --check-prefixes=FAR-EB 16// RUN: ld.lld %t/a.o --script %t/near.lds -o %t/a-near 17// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4eb-none-linux-gnueabi %t/a-near | FileCheck %s --check-prefixes=NEAR 18// RUN: ld.lld %t/a.o -pie --script %t/far.lds -o %t/a-far-pie 19// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4eb-none-linux-gnueabi %t/a-far-pie | FileCheck %s --check-prefixes=FAR-EB-PIE 20// RUN: ld.lld %t/a.o -pie --script %t/near.lds -o %t/a-near-pie 21// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn --triple=armv4eb-none-linux-gnueabi %t/a-near-pie | FileCheck %s --check-prefixes=NEAR 22 23/// On Armv4 there is no blx instruction so long branch/exchange looks slightly 24/// different. 25 26//--- a.s 27 .text 28 .syntax unified 29 .cpu arm7tdmi 30 31 .section .low, "ax", %progbits 32 .arm 33 .globl _start 34 .type _start,%function 35 .p2align 2 36_start: 37 bl target 38 mov pc, lr 39 40// FAR-LABEL: <_start>: 41// FAR-NEXT: 1000000: bl 0x1000008 <__ARMv5LongLdrPcThunk_target> @ imm = #0 42// FAR-NEXT: mov pc, lr 43// FAR-EMPTY: 44// FAR-NEXT: <__ARMv5LongLdrPcThunk_target>: 45// FAR-NEXT: 1000008: ldr pc, [pc, #-4] @ 0x100000c <__ARMv5LongLdrPcThunk_target+0x4> 46// FAR-NEXT: 100000c: 00 00 00 06 .word 0x06000000 47 48// FAR-EB-LABEL: <_start>: 49// FAR-EB-NEXT: 1000000: bl 0x1000008 <__ARMv5LongLdrPcThunk_target> @ imm = #0 50// FAR-EB-NEXT: mov pc, lr 51// FAR-EB-EMPTY: 52// FAR-EB-NEXT: <__ARMv5LongLdrPcThunk_target>: 53// FAR-EB-NEXT: 1000008: ldr pc, [pc, #-4] @ 0x100000c <__ARMv5LongLdrPcThunk_target+0x4> 54// FAR-EB-NEXT: 100000c: 06 00 00 00 .word 0x06000000 55 56// FAR-PIE-LABEL: <_start>: 57// FAR-PIE-NEXT: 1000000: bl 0x1000008 <__ARMv4PILongThunk_target> @ imm = #0 58// FAR-PIE-NEXT: mov pc, lr 59// FAR-PIE-EMPTY: 60// FAR-PIE-NEXT: <__ARMv4PILongThunk_target>: 61// FAR-PIE-NEXT: 1000008: ldr r12, [pc] @ 0x1000010 <__ARMv4PILongThunk_target+0x8> 62// FAR-PIE-NEXT: add pc, pc, r12 63// FAR-PIE-NEXT: 1000010: ec ff ff 04 .word 0x04ffffec 64 65// FAR-EB-PIE-LABEL: <_start>: 66// FAR-EB-PIE-NEXT: 1000000: bl 0x1000008 <__ARMv4PILongThunk_target> @ imm = #0 67// FAR-EB-PIE-NEXT: mov pc, lr 68// FAR-EB-PIE-EMPTY: 69// FAR-EB-PIE-NEXT: <__ARMv4PILongThunk_target>: 70// FAR-EB-PIE-NEXT: 1000008: ldr r12, [pc] @ 0x1000010 <__ARMv4PILongThunk_target+0x8> 71// FAR-EB-PIE-NEXT: add pc, pc, r12 72// FAR-EB-PIE-NEXT: 1000010: 04 ff ff ec .word 0x04ffffec 73 74// NEAR-LABEL: <_start>: 75// NEAR-NEXT: 1000000: bl 0x1000008 <target> @ imm = #0 76// NEAR-NEXT: mov pc, lr 77 78.section .high, "ax", %progbits 79 .arm 80 .globl target 81 .type target,%function 82target: 83 mov pc, lr 84 85// FAR-LABEL: <target>: 86// FAR-NEXT: 6000000: mov pc, lr 87 88// FAR-EB-LABEL: <target>: 89// FAR-EB-NEXT: 6000000: mov pc, lr 90 91// FAR-PIE-LABEL: <target>: 92// FAR-PIE-NEXT: 6000000: mov pc, lr 93 94// FAR-EB-PIE-LABEL: <target>: 95// FAR-EB-PIE-NEXT: 6000000: mov pc, lr 96 97// NEAR-LABEL: <target>: 98// NEAR-LABEL: 1000008: mov pc, lr 99 100//--- far.lds 101SECTIONS { 102 . = SIZEOF_HEADERS; 103 .low 0x01000000 : { *(.low) } 104 .high 0x06000000 : { *(.high) } 105} 106 107//--- near.lds 108SECTIONS { 109 . = SIZEOF_HEADERS; 110 .all 0x01000000 : { *(.low) *(.high) } 111} 112