llvm-project/lld/test/ELF/arm-thumb-branch-rangethunk.s

37 lines
1.6 KiB
ArmAsm

// REQUIRES: arm
// RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=thumbv7a-none-linux-gnueabi %s -o %t
// RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=thumbv7a-none-linux-gnueabi %S/Inputs/far-arm-thumb-abs.s -o %tfar
// RUN: ld.lld %t %tfar -o %t2 2>&1
// RUN: llvm-objdump -d -triple=thumbv7a-none-linux-gnueabi %t2
.syntax unified
.thumb
.section .text, "ax",%progbits
.globl _start
.balign 0x10000
.type _start,%function
_start:
// address of too_far symbols are just out of range of ARM branch with
// 26-bit immediate field and an addend of -8
bl too_far1
b too_far2
beq.w too_far3
// CHECK: Disassembly of section .text:
// CHECK-NEXT: _start:
// CHECK-NEXT: 20000: 00 f0 04 f8 bl #8
// CHECK-NEXT: 20004: 00 f0 07 b8 b.w #14 <__Thumbv7ABSLongThunk_too_far2>
// CHECK-NEXT: 20008: 00 f0 0a 80 beq.w #20 <__Thumbv7ABSLongThunk_too_far3>
// CHECK: __Thumbv7ABSLongThunk_too_far1:
// CHECK-NEXT: 2000c: 40 f2 05 0c movw r12, #5
// CHECK-NEXT: 20010: c0 f2 02 1c movt r12, #258
// CHECK-NEXT: 20014: 60 47 bx r12
// CHECK: __Thumbv7ABSLongThunk_too_far2:
// CHECK-NEXT: 20016: 40 f2 09 0c movw r12, #9
// CHECK-NEXT: 2001a: c0 f2 02 1c movt r12, #258
// CHECK-NEXT: 2001e: 60 47 bx r12
// CHECK: __Thumbv7ABSLongThunk_too_far3:
// CHECK-NEXT: 20020: 40 f2 0d 0c movw r12, #13
// CHECK-NEXT: 20024: c0 f2 12 0c movt r12, #18
// CHECK-NEXT: 20028: 60 47 bx r12
// CHECK-NEXT: 2002a: 00 00 movs r0, r0