aarch64-thunk-script.s
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// 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
// 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 #0xc <__AArch64AbsLongThunk_high_target>
// CHECK-NEXT: 2004: bl #0x18 <__AArch64AbsLongThunk_>
// CHECK-NEXT: ret
// CHECK: __AArch64AbsLongThunk_high_target:
// CHECK-NEXT: 200c: ldr x16, #0x8
// 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, #0x8
// 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 #-0x8000000 <_start>
// CHECK-NEXT: ret