// REQUIRES: arm // RUN: rm -rf %t && split-file %s %t // RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv4t-none-linux-gnueabi %t/a.s -o %t/a.o // RUN: ld.lld %t/a.o --script %t/far.lds -o %t/a-far // 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 // RUN: ld.lld %t/a.o --script %t/near.lds -o %t/a-near // 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 // RUN: ld.lld %t/a.o -pie --script %t/far.lds -o %t/a-far-pie // 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 // RUN: ld.lld %t/a.o -pie --script %t/near.lds -o %t/a-near-pie // 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 // RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv4teb-none-linux-gnueabi %t/a.s -o %t/a.o // RUN: ld.lld %t/a.o --script %t/far.lds -o %t/a-far // 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 // RUN: ld.lld %t/a.o --script %t/near.lds -o %t/a-near // 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 // RUN: ld.lld %t/a.o -pie --script %t/far.lds -o %t/a-far-pie // 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 // RUN: ld.lld %t/a.o -pie --script %t/near.lds -o %t/a-near-pie // 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 /// On Armv4T there is no blx instruction so long branch/exchange looks slightly /// different. #--- a.s .text .syntax unified .cpu arm7tdmi .section .low, "ax", %progbits .arm .globl _start .type _start,%function .p2align 2 _start: bl target bx lr .thumb .globl thumb_start .type thumb_start,%function .p2align 2 thumb_start: bl thumb_target bx lr // FAR-LABEL: <_start>: // FAR-NEXT: 1000000: bl 0x1000010 <__ARMv5LongLdrPcThunk_target> @ imm = #8 // FAR-NEXT: bx lr // FAR-EMPTY: // FAR-LABEL: : // FAR-NEXT: 1000008: bl 0x1000018 <__Thumbv4ABSLongThunk_thumb_target> @ imm = #12 // FAR-NEXT: bx lr // FAR-NEXT: bmi 0xffffba @ imm = #-88 // FAR-EMPTY: // FAR-NEXT: <__ARMv5LongLdrPcThunk_target>: // FAR-NEXT: 1000010: ldr pc, [pc, #-4] @ 0x1000014 <__ARMv5LongLdrPcThunk_target+0x4> // FAR-NEXT: 1000014: 00 00 00 06 .word 0x06000000 // FAR-EMPTY: // FAR-NEXT: <__Thumbv4ABSLongThunk_thumb_target>: // FAR-NEXT: 1000018: bx pc // FAR-NEXT: b 0x1000018 <__Thumbv4ABSLongThunk_thumb_target> @ imm = #-6 // FAR-NEXT: 100001c: ldr r12, [pc] @ 0x1000024 <__Thumbv4ABSLongThunk_thumb_target+0xc> // FAR-NEXT: bx r12 // FAR-NEXT: 1000024: 05 00 00 06 .word 0x06000005 // FAR-EB-LABEL: <_start>: // FAR-EB-NEXT: 1000000: bl 0x1000010 <__ARMv5LongLdrPcThunk_target> @ imm = #8 // FAR-EB-NEXT: bx lr // FAR-EB-EMPTY: // FAR-EB-LABEL: : // FAR-EB-NEXT: 1000008: bl 0x1000018 <__Thumbv4ABSLongThunk_thumb_target> @ imm = #12 // FAR-EB-NEXT: bx lr // FAR-EB-NEXT: bmi 0xffffba @ imm = #-88 // FAR-EB-EMPTY: // FAR-EB-NEXT: <__ARMv5LongLdrPcThunk_target>: // FAR-EB-NEXT: 1000010: ldr pc, [pc, #-4] @ 0x1000014 <__ARMv5LongLdrPcThunk_target+0x4> // FAR-EB-NEXT: 1000014: 06 00 00 00 .word 0x06000000 // FAR-EB-EMPTY: // FAR-EB-NEXT: <__Thumbv4ABSLongThunk_thumb_target>: // FAR-EB-NEXT: 1000018: bx pc // FAR-EB-NEXT: b 0x1000018 <__Thumbv4ABSLongThunk_thumb_target> @ imm = #-6 // FAR-EB-NEXT: 100001c: ldr r12, [pc] @ 0x1000024 <__Thumbv4ABSLongThunk_thumb_target+0xc> // FAR-EB-NEXT: bx r12 // FAR-EB-NEXT: 1000024: 06 00 00 05 .word 0x06000005 // FAR-PIE-LABEL: <_start>: // FAR-PIE-NEXT: 1000000: bl 0x1000010 <__ARMv4PILongThunk_target> @ imm = #8 // FAR-PIE-NEXT: bx lr // FAR-PIE-EMPTY: // FAR-PIE-NEXT: : // FAR-PIE-NEXT: 1000008: bl 0x100001c <__Thumbv4PILongThunk_thumb_target> @ imm = #16 // FAR-PIE-NEXT: bx lr // FAR-PIE-NEXT: bmi 0xffffba @ imm = #-88 // FAR-PIE-EMPTY: // FAR-PIE-NEXT: <__ARMv4PILongThunk_target>: // FAR-PIE-NEXT: 1000010: ldr r12, [pc] @ 0x1000018 <__ARMv4PILongThunk_target+0x8> // FAR-PIE-NEXT: add pc, pc, r12 // FAR-PIE-NEXT: 1000018: e4 ff ff 04 .word 0x04ffffe4 // FAR-PIE-EMPTY: // FAR-PIE-NEXT: <__Thumbv4PILongThunk_thumb_target>: // FAR-PIE-NEXT: 100001c: bx pc // FAR-PIE-NEXT: b 0x100001c <__Thumbv4PILongThunk_thumb_target> @ imm = #-6 // FAR-PIE-NEXT: 1000020: ldr r12, [pc, #4] @ 0x100002c <__Thumbv4PILongThunk_thumb_target+0x10> // FAR-PIE-NEXT: add r12, pc, r12 // FAR-PIE-NEXT: bx r12 // FAR-PIE-NEXT: 100002c: d9 ff ff 04 .word 0x04ffffd9 // FAR-EB-PIE-LABEL: <_start>: // FAR-EB-PIE-NEXT: 1000000: bl 0x1000010 <__ARMv4PILongThunk_target> @ imm = #8 // FAR-EB-PIE-NEXT: bx lr // FAR-EB-PIE-EMPTY: // FAR-EB-PIE-NEXT: : // FAR-EB-PIE-NEXT: 1000008: bl 0x100001c <__Thumbv4PILongThunk_thumb_target> @ imm = #16 // FAR-EB-PIE-NEXT: bx lr // FAR-EB-PIE-NEXT: bmi 0xffffba @ imm = #-88 // FAR-EB-PIE-EMPTY: // FAR-EB-PIE-NEXT: <__ARMv4PILongThunk_target>: // FAR-EB-PIE-NEXT: 1000010: ldr r12, [pc] @ 0x1000018 <__ARMv4PILongThunk_target+0x8> // FAR-EB-PIE-NEXT: add pc, pc, r12 // FAR-EB-PIE-NEXT: 1000018: 04 ff ff e4 .word 0x04ffffe4 // FAR-EB-PIE-EMPTY: // FAR-EB-PIE-NEXT: <__Thumbv4PILongThunk_thumb_target>: // FAR-EB-PIE-NEXT: 100001c: bx pc // FAR-EB-PIE-NEXT: b 0x100001c <__Thumbv4PILongThunk_thumb_target> @ imm = #-6 // FAR-EB-PIE-NEXT: 1000020: ldr r12, [pc, #4] @ 0x100002c <__Thumbv4PILongThunk_thumb_target+0x10> // FAR-EB-PIE-NEXT: add r12, pc, r12 // FAR-EB-PIE-NEXT: bx r12 // FAR-EB-PIE-NEXT: 100002c: 04 ff ff d9 .word 0x04ffffd9 // NEAR-LABEL: <_start>: // NEAR-NEXT: 1000000: bl 0x1000010 @ imm = #8 // NEAR-NEXT: bx lr // NEAR-EMPTY: // NEAR-LABEL: : // NEAR-NEXT: 1000008: bl 0x1000014 @ imm = #8 // NEAR-NEXT: bx lr .section .high, "ax", %progbits .arm .globl target .type target,%function target: bx lr .thumb .globl thumb_target .type thumb_target,%function thumb_target: bx lr // FAR-LABEL: : // FAR-NEXT: 6000000: bx lr // FAR-EMPTY: // FAR-LABEL: : // FAR-NEXT: 6000004: bx lr // FAR-PIE-LABEL: : // FAR-PIE-NEXT: 6000000: bx lr // FAR-PIE-EMPTY: // FAR-PIE-LABEL: : // FAR-PIE-NEXT: 6000004: bx lr // NEAR-LABEL: : // NEAR-LABEL: 1000010: bx lr // NEAR-EMPTY: // NEAR-NEXT: : // NEAR-NEXT: 1000014: bx lr #--- far.lds SECTIONS { . = SIZEOF_HEADERS; .low 0x01000000 : { *(.low) } .high 0x06000000 : { *(.high) } } #--- near.lds SECTIONS { . = SIZEOF_HEADERS; .all 0x01000000 : { *(.low) *(.high) } }