1// REQUIRES: arm 2// RUN: rm -rf %t && split-file %s %t 3// RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv4t-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=armv4t-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=armv4t-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=armv4t-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=armv4t-none-linux-gnueabi %t/a-near-pie | FileCheck %s --check-prefixes=NEAR 12 13// RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv4teb-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=armv4teb-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=armv4teb-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=armv4teb-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=armv4teb-none-linux-gnueabi %t/a-near-pie | FileCheck %s --check-prefixes=NEAR 22 23/// On Armv4T 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 bx lr 39 40 .thumb 41 .globl thumb_start 42 .type thumb_start,%function 43 .p2align 2 44thumb_start: 45 bl thumb_target 46 bx lr 47 48// FAR-LABEL: <_start>: 49// FAR-NEXT: 1000000: bl 0x1000010 <__ARMv5LongLdrPcThunk_target> @ imm = #8 50// FAR-NEXT: bx lr 51// FAR-EMPTY: 52// FAR-LABEL: <thumb_start>: 53// FAR-NEXT: 1000008: bl 0x1000018 <__Thumbv4ABSLongThunk_thumb_target> @ imm = #12 54// FAR-NEXT: bx lr 55// FAR-NEXT: bmi 0xffffba @ imm = #-88 56// FAR-EMPTY: 57// FAR-NEXT: <__ARMv5LongLdrPcThunk_target>: 58// FAR-NEXT: 1000010: ldr pc, [pc, #-4] @ 0x1000014 <__ARMv5LongLdrPcThunk_target+0x4> 59// FAR-NEXT: 1000014: 00 00 00 06 .word 0x06000000 60// FAR-EMPTY: 61// FAR-NEXT: <__Thumbv4ABSLongThunk_thumb_target>: 62// FAR-NEXT: 1000018: bx pc 63// FAR-NEXT: b 0x1000018 <__Thumbv4ABSLongThunk_thumb_target> @ imm = #-6 64// FAR-NEXT: 100001c: ldr r12, [pc] @ 0x1000024 <__Thumbv4ABSLongThunk_thumb_target+0xc> 65// FAR-NEXT: bx r12 66// FAR-NEXT: 1000024: 05 00 00 06 .word 0x06000005 67 68// FAR-EB-LABEL: <_start>: 69// FAR-EB-NEXT: 1000000: bl 0x1000010 <__ARMv5LongLdrPcThunk_target> @ imm = #8 70// FAR-EB-NEXT: bx lr 71// FAR-EB-EMPTY: 72// FAR-EB-LABEL: <thumb_start>: 73// FAR-EB-NEXT: 1000008: bl 0x1000018 <__Thumbv4ABSLongThunk_thumb_target> @ imm = #12 74// FAR-EB-NEXT: bx lr 75// FAR-EB-NEXT: bmi 0xffffba @ imm = #-88 76// FAR-EB-EMPTY: 77// FAR-EB-NEXT: <__ARMv5LongLdrPcThunk_target>: 78// FAR-EB-NEXT: 1000010: ldr pc, [pc, #-4] @ 0x1000014 <__ARMv5LongLdrPcThunk_target+0x4> 79// FAR-EB-NEXT: 1000014: 06 00 00 00 .word 0x06000000 80// FAR-EB-EMPTY: 81// FAR-EB-NEXT: <__Thumbv4ABSLongThunk_thumb_target>: 82// FAR-EB-NEXT: 1000018: bx pc 83// FAR-EB-NEXT: b 0x1000018 <__Thumbv4ABSLongThunk_thumb_target> @ imm = #-6 84// FAR-EB-NEXT: 100001c: ldr r12, [pc] @ 0x1000024 <__Thumbv4ABSLongThunk_thumb_target+0xc> 85// FAR-EB-NEXT: bx r12 86// FAR-EB-NEXT: 1000024: 06 00 00 05 .word 0x06000005 87 88// FAR-PIE-LABEL: <_start>: 89// FAR-PIE-NEXT: 1000000: bl 0x1000010 <__ARMv4PILongThunk_target> @ imm = #8 90// FAR-PIE-NEXT: bx lr 91// FAR-PIE-EMPTY: 92// FAR-PIE-NEXT: <thumb_start>: 93// FAR-PIE-NEXT: 1000008: bl 0x100001c <__Thumbv4PILongThunk_thumb_target> @ imm = #16 94// FAR-PIE-NEXT: bx lr 95// FAR-PIE-NEXT: bmi 0xffffba @ imm = #-88 96// FAR-PIE-EMPTY: 97// FAR-PIE-NEXT: <__ARMv4PILongThunk_target>: 98// FAR-PIE-NEXT: 1000010: ldr r12, [pc] @ 0x1000018 <__ARMv4PILongThunk_target+0x8> 99// FAR-PIE-NEXT: add pc, pc, r12 100// FAR-PIE-NEXT: 1000018: e4 ff ff 04 .word 0x04ffffe4 101// FAR-PIE-EMPTY: 102// FAR-PIE-NEXT: <__Thumbv4PILongThunk_thumb_target>: 103// FAR-PIE-NEXT: 100001c: bx pc 104// FAR-PIE-NEXT: b 0x100001c <__Thumbv4PILongThunk_thumb_target> @ imm = #-6 105// FAR-PIE-NEXT: 1000020: ldr r12, [pc, #4] @ 0x100002c <__Thumbv4PILongThunk_thumb_target+0x10> 106// FAR-PIE-NEXT: add r12, pc, r12 107// FAR-PIE-NEXT: bx r12 108// FAR-PIE-NEXT: 100002c: d9 ff ff 04 .word 0x04ffffd9 109 110// FAR-EB-PIE-LABEL: <_start>: 111// FAR-EB-PIE-NEXT: 1000000: bl 0x1000010 <__ARMv4PILongThunk_target> @ imm = #8 112// FAR-EB-PIE-NEXT: bx lr 113// FAR-EB-PIE-EMPTY: 114// FAR-EB-PIE-NEXT: <thumb_start>: 115// FAR-EB-PIE-NEXT: 1000008: bl 0x100001c <__Thumbv4PILongThunk_thumb_target> @ imm = #16 116// FAR-EB-PIE-NEXT: bx lr 117// FAR-EB-PIE-NEXT: bmi 0xffffba @ imm = #-88 118// FAR-EB-PIE-EMPTY: 119// FAR-EB-PIE-NEXT: <__ARMv4PILongThunk_target>: 120// FAR-EB-PIE-NEXT: 1000010: ldr r12, [pc] @ 0x1000018 <__ARMv4PILongThunk_target+0x8> 121// FAR-EB-PIE-NEXT: add pc, pc, r12 122// FAR-EB-PIE-NEXT: 1000018: 04 ff ff e4 .word 0x04ffffe4 123// FAR-EB-PIE-EMPTY: 124// FAR-EB-PIE-NEXT: <__Thumbv4PILongThunk_thumb_target>: 125// FAR-EB-PIE-NEXT: 100001c: bx pc 126// FAR-EB-PIE-NEXT: b 0x100001c <__Thumbv4PILongThunk_thumb_target> @ imm = #-6 127// FAR-EB-PIE-NEXT: 1000020: ldr r12, [pc, #4] @ 0x100002c <__Thumbv4PILongThunk_thumb_target+0x10> 128// FAR-EB-PIE-NEXT: add r12, pc, r12 129// FAR-EB-PIE-NEXT: bx r12 130// FAR-EB-PIE-NEXT: 100002c: 04 ff ff d9 .word 0x04ffffd9 131 132// NEAR-LABEL: <_start>: 133// NEAR-NEXT: 1000000: bl 0x1000010 <target> @ imm = #8 134// NEAR-NEXT: bx lr 135// NEAR-EMPTY: 136// NEAR-LABEL: <thumb_start>: 137// NEAR-NEXT: 1000008: bl 0x1000014 <thumb_target> @ imm = #8 138// NEAR-NEXT: bx lr 139 140.section .high, "ax", %progbits 141 .arm 142 .globl target 143 .type target,%function 144target: 145 bx lr 146 147.thumb 148 .globl thumb_target 149 .type thumb_target,%function 150thumb_target: 151 bx lr 152 153// FAR-LABEL: <target>: 154// FAR-NEXT: 6000000: bx lr 155// FAR-EMPTY: 156// FAR-LABEL: <thumb_target>: 157// FAR-NEXT: 6000004: bx lr 158 159// FAR-PIE-LABEL: <target>: 160// FAR-PIE-NEXT: 6000000: bx lr 161// FAR-PIE-EMPTY: 162// FAR-PIE-LABEL: <thumb_target>: 163// FAR-PIE-NEXT: 6000004: bx lr 164 165// NEAR-LABEL: <target>: 166// NEAR-LABEL: 1000010: bx lr 167// NEAR-EMPTY: 168// NEAR-NEXT: <thumb_target>: 169// NEAR-NEXT: 1000014: bx lr 170 171 172#--- far.lds 173SECTIONS { 174 . = SIZEOF_HEADERS; 175 .low 0x01000000 : { *(.low) } 176 .high 0x06000000 : { *(.high) } 177} 178 179#--- near.lds 180SECTIONS { 181 . = SIZEOF_HEADERS; 182 .all 0x01000000 : { *(.low) *(.high) } 183} 184