| // REQUIRES: aarch64 |
| // RUN: llvm-mc -filetype=obj -triple=aarch64 %s -o %t.o |
| // RUN: echo "SECTIONS { \ |
| // RUN: .text_low 0x2000: { *(.text_low) } \ |
| // RUN: .text_high 0x8002000 : { *(.text_high) } \ |
| // RUN: } " > %t.script |
| // RUN: ld.lld --script %t.script %t.o -o %t |
| // RUN: llvm-objdump -d --no-show-raw-insn --print-imm-hex %t | FileCheck %s |
| // RUN: llvm-nm --no-sort --special-syms %t | FileCheck --check-prefix=NM %s |
| |
| // Check that we have the out of branch range calculation right. The immediate |
| // field is signed so we have a slightly higher negative displacement. |
| .section .text_low, "ax", %progbits |
| .globl _start |
| .type _start, %function |
| _start: |
| // Need thunk to high_target@plt |
| bl high_target |
| // Need thunk to .text_high+4 |
| bl .text_high+4 |
| ret |
| |
| .section .text_high, "ax", %progbits |
| .globl high_target |
| .type high_target, %function |
| high_target: |
| // No Thunk needed as we are within signed immediate range |
| bl _start |
| ret |
| |
| // CHECK: Disassembly of section .text_low: |
| // CHECK-EMPTY: |
| // CHECK-NEXT: <_start>: |
| // CHECK-NEXT: 2000: bl 0x200c <__AArch64AbsLongThunk_high_target> |
| // CHECK-NEXT: 2004: bl 0x201c <__AArch64AbsLongThunk_> |
| // CHECK-NEXT: ret |
| // CHECK: <__AArch64AbsLongThunk_high_target>: |
| // CHECK-NEXT: 200c: ldr x16, 0x2014 |
| // CHECK-NEXT: br x16 |
| // CHECK: <$d>: |
| // CHECK-NEXT: 2014: 00 20 00 08 .word 0x08002000 |
| // CHECK-NEXT: 2018: 00 00 00 00 .word 0x00000000 |
| // CHECK: <__AArch64AbsLongThunk_>: |
| // CHECK-NEXT: 201c: ldr x16, 0x2024 |
| // CHECK-NEXT: 2020: br x16 |
| // CHECK: <$d>: |
| // CHECK-NEXT: 2024: 04 20 00 08 .word 0x08002004 |
| // CHECK-NEXT: 2028: 00 00 00 00 .word 0x00000000 |
| // CHECK: Disassembly of section .text_high: |
| // CHECK-EMPTY: |
| // CHECK-NEXT: <high_target>: |
| // CHECK-NEXT: 8002000: bl 0x2000 <_start> |
| // CHECK-NEXT: ret |
| |
| /// Local symbols copied from %t.o |
| // NM: t $x.0 |
| // NM-NEXT: t $x.1 |
| /// Local thunk symbols. |
| // NM-NEXT: t __AArch64AbsLongThunk_high_target |
| // NM-NEXT: t $x |
| // NM-NEXT: t $d |
| // NM-NEXT: t __AArch64AbsLongThunk_{{$}} |
| // NM-NEXT: t $x |
| // NM-NEXT: t $d |
| /// Global symbols. |
| // NM-NEXT: T _start |
| // NM-NEXT: T high_target |
