| // 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: <thumb_start>: |
| // 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: <thumb_start>: |
| // 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: <thumb_start>: |
| // 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: <thumb_start>: |
| // 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 <target> @ imm = #8 |
| // NEAR-NEXT: bx lr |
| // NEAR-EMPTY: |
| // NEAR-LABEL: <thumb_start>: |
| // NEAR-NEXT: 1000008: bl 0x1000014 <thumb_target> @ 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: <target>: |
| // FAR-NEXT: 6000000: bx lr |
| // FAR-EMPTY: |
| // FAR-LABEL: <thumb_target>: |
| // FAR-NEXT: 6000004: bx lr |
| |
| // FAR-PIE-LABEL: <target>: |
| // FAR-PIE-NEXT: 6000000: bx lr |
| // FAR-PIE-EMPTY: |
| // FAR-PIE-LABEL: <thumb_target>: |
| // FAR-PIE-NEXT: 6000004: bx lr |
| |
| // NEAR-LABEL: <target>: |
| // NEAR-LABEL: 1000010: bx lr |
| // NEAR-EMPTY: |
| // NEAR-NEXT: <thumb_target>: |
| // 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) } |
| } |
