| // REQUIRES: arm |
| // RUN: rm -rf %t && split-file %s %t && cd %t |
| // RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv6-none-linux-gnueabi a.s -o a.o |
| // RUN: ld.lld a.o --script a.lds -o exe |
| // RUN: llvm-objdump -d --triple=armv6-none-linux-gnueabi exe | FileCheck %s |
| |
| //--- a.lds |
| |
| SECTIONS { |
| .callee1 0x100004 : AT(0x100004) { *(.callee_low) } |
| .caller 0x500000 : AT(0x500000) { *(.text) } |
| .callee2 0x900004 : AT(0x900004) { *(.callee_high) } |
| } |
| |
| //--- a.s |
| |
| // On older Arm Architectures such as v5 and v6 the Thumb BL and BLX relocation |
| // uses a slightly different encoding that has a lower range. These relocations |
| // are at the extreme range of what is permitted. |
| .thumb |
| .text |
| .syntax unified |
| .cpu arm1176jzf-s |
| .globl _start |
| .type _start,%function |
| _start: |
| bl thumbfunc |
| bl armfunc |
| bx lr |
| |
| .section .callee_low, "ax", %progbits |
| .globl thumbfunc |
| .type thumbfunc, %function |
| thumbfunc: |
| bx lr |
| // CHECK: Disassembly of section .callee1: |
| // CHECK-EMPTY: |
| // CHECK-NEXT: <thumbfunc>: |
| // CHECK-NEXT: 100004: 4770 bx lr |
| // CHECK-EMPTY: |
| // CHECK-NEXT: Disassembly of section .caller: |
| // CHECK-EMPTY: |
| // CHECK-NEXT: <_start>: |
| // CHECK-NEXT: 500000: f400 f800 bl 0x100004 <thumbfunc> |
| // CHECK-NEXT: 500004: f3ff effe blx 0x900004 <armfunc> |
| // CHECK-NEXT: 500008: 4770 bx lr |
| |
| .section .callee_high, "ax", %progbits |
| .arm |
| .globl armfunc |
| .type armfunc, %function |
| armfunc: |
| bx lr |
| // CHECK: Disassembly of section .callee2: |
| // CHECK-EMPTY: |
| // CHECK-NEXT: <armfunc>: |
| // CHECK-NEXT: 900004: e12fff1e bx lr |
