1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
| // REQUIRES: aarch64
// RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %s -o %t
// 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 %t2 2>&1
// RUN: llvm-objdump -d -triple=aarch64-linux-gnu %t2 | 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
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: 02 00 00 94 bl #8
// CHECK-NEXT: 2004: c0 03 5f d6 ret
// CHECK: __AArch64AbsLongThunk_high_target:
// CHECK-NEXT: 2008: 50 00 00 58 ldr x16, #8
// CHECK-NEXT: 200c: 00 02 1f d6 br x16
// CHECK: $d:
// CHECK-NEXT: 2010: 00 20 00 08 .word 0x08002000
// CHECK-NEXT: 2014: 00 00 00 00 .word 0x00000000
// CHECK: Disassembly of section .text_high:
// CHECK-EMPTY:
// CHECK-NEXT: high_target:
// CHECK-NEXT: 8002000: 00 00 00 96 bl #-134217728
// CHECK-NEXT: 8002004: c0 03 5f d6 ret
|