blob: ba7c8afd5ee135932fa29768f1d46954572163a2 (
plain)
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
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
// REQUIRES: aarch64
// RUN: llvm-mc -filetype=obj -triple=aarch64-pc-freebsd %s -o %t.o
// RUN: llvm-mc -filetype=obj -triple=aarch64-pc-freebsd %p/Inputs/relocation-copy.s -o %t2.o
// RUN: ld.lld -shared %t2.o -soname fixed-length-string.so -o %t2.so
// RUN: ld.lld %t.o %t2.so -o %t
// RUN: llvm-readobj -S -r --symbols %t | FileCheck %s
// RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck --check-prefix=CODE %s
// RUN: llvm-objdump -s --section=.rodata %t | FileCheck --check-prefix=RODATA %s
.text
.globl _start
_start:
adr x1, x
adrp x2, y
add x2, x2, :lo12:y
.rodata
.word z
// CHECK: Name: .bss
// CHECK-NEXT: Type: SHT_NOBITS
// CHECK-NEXT: Flags [
// CHECK-NEXT: SHF_ALLOC
// CHECK-NEXT: SHF_WRITE
// CHECK-NEXT: ]
// CHECK-NEXT: Address: 0x2303F0
// CHECK-NEXT: Offset:
// CHECK-NEXT: Size: 24
// CHECK-NEXT: Link:
// CHECK-NEXT: Info:
// CHECK-NEXT: AddressAlignment: 16
// CHECK: Relocations [
// CHECK-NEXT: Section ({{.*}}) .rela.dyn {
// CHECK-NEXT: 0x2303F0 R_AARCH64_COPY x 0x0
// CHECK-NEXT: 0x230400 R_AARCH64_COPY y 0x0
// CHECK-NEXT: 0x230404 R_AARCH64_COPY z 0x0
// CHECK-NEXT: }
// CHECK-NEXT: ]
// CHECK: Symbols [
// CHECK: Name: x
// CHECK-NEXT: Value: 0x2303F0
// CHECK-NEXT: Size: 4
// CHECK-NEXT: Binding: Global
// CHECK-NEXT: Type: Object
// CHECK-NEXT: Other:
// CHECK-NEXT: Section: .bss
// CHECK: Name: y
// CHECK-NEXT: Value: 0x230400
// CHECK-NEXT: Size: 4
// CHECK-NEXT: Binding: Global
// CHECK-NEXT: Type: Object
// CHECK-NEXT: Other:
// CHECK-NEXT: Section: .bss
// CHECK: Name: z
// CHECK-NEXT: Value: 0x230404
// CHECK-NEXT: Size: 4
// CHECK-NEXT: Binding: Global
// CHECK-NEXT: Type: Object
// CHECK-NEXT: Other:
// CHECK-NEXT: Section: .bss
// CHECK: ]
// CODE: Disassembly of section .text:
// CODE-EMPTY:
// CODE-NEXT: <_start>:
// S + A - P = 0x2303f0 + 0 - 0x21031c = 131284
// CODE-NEXT: 21031c: adr x1, #131284
// Page(S + A) - Page(P) = Page(0x230400) - Page(0x210320) = 131072
// CODE-NEXT: 210320: adrp x2, #131072
// (S + A) & 0xFFF = (0x230400 + 0) & 0xFFF = 1024
// CODE-NEXT: 210324: add x2, x2, #1024
// RODATA: Contents of section .rodata:
// S(z) = 0x230404
// RODATA-NEXT: 200318 04042300
|
