File: objc-selrefs.s

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,696 kB
  • sloc: cpp: 7,438,781; ansic: 1,393,871; asm: 1,012,926; python: 241,771; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 8,596; ml: 5,082; perl: 4,730; makefile: 3,591; awk: 3,523; javascript: 2,251; xml: 892; fortran: 672
file content (81 lines) | stat: -rw-r--r-- 2,900 bytes parent folder | download | duplicates (9)
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
77
78
79
80
81
# REQUIRES: aarch64
# RUN: rm -rf %t; split-file %s %t

# RUN: llvm-mc -filetype=obj -triple=arm64-apple-darwin %t/explicit-selrefs-1.s -o %t/explicit-selrefs-1.o
# RUN: llvm-mc -filetype=obj -triple=arm64-apple-darwin %t/explicit-selrefs-2.s -o %t/explicit-selrefs-2.o
# RUN: llvm-mc -filetype=obj -triple=arm64-apple-darwin %t/implicit-selrefs.s -o %t/implicit-selrefs.o

# RUN: %lld -dylib -arch arm64 -lSystem -o %t/explicit-only-no-icf \
# RUN:   %t/explicit-selrefs-1.o %t/explicit-selrefs-2.o -no_fixup_chains
# RUN: llvm-otool -vs __DATA __objc_selrefs %t/explicit-only-no-icf | \
# RUN:   FileCheck %s --check-prefix=EXPLICIT-NO-ICF

## NOTE: ld64 always dedups the selrefs unconditionally, but we only do it when
## ICF is enabled.
# RUN: %lld -dylib -arch arm64 -lSystem -o %t/explicit-only-with-icf \
# RUN:   %t/explicit-selrefs-1.o %t/explicit-selrefs-2.o -no_fixup_chains
# RUN: llvm-otool -vs __DATA __objc_selrefs %t/explicit-only-with-icf \
# RUN:   | FileCheck %s --check-prefix=EXPLICIT-WITH-ICF

# SELREFS: Contents of (__DATA,__objc_selrefs) section
# SELREFS-NEXT: __TEXT:__objc_methname:foo
# SELREFS-NEXT: __TEXT:__objc_methname:bar
# SELREFS-NEXT: __TEXT:__objc_methname:foo
# SELREFS-NEXT: __TEXT:__objc_methname:length
# SELREFS-EMPTY:

# RUN: %lld -dylib -arch arm64 -lSystem --icf=all -o %t/explicit-and-implicit \
# RUN:   %t/explicit-selrefs-1.o %t/explicit-selrefs-2.o %t/implicit-selrefs.o \
# RUN:   -no_fixup_chains
# RUN: llvm-otool -vs __DATA __objc_selrefs %t/explicit-and-implicit \
# RUN:   | FileCheck %s --check-prefix=EXPLICIT-AND-IMPLICIT

# EXPLICIT-NO-ICF:       Contents of (__DATA,__objc_selrefs) section
# EXPLICIT-NO-ICF-NEXT:  __TEXT:__objc_methname:foo
# EXPLICIT-NO-ICF-NEXT:  __TEXT:__objc_methname:bar
# EXPLICIT-NO-ICF-NEXT:  __TEXT:__objc_methname:bar
# EXPLICIT-NO-ICF-NEXT:  __TEXT:__objc_methname:foo

# EXPLICIT-WITH-ICF:      Contents of (__DATA,__objc_selrefs) section
# EXPLICIT-WITH-ICF-NEXT: __TEXT:__objc_methname:foo
# EXPLICIT-WITH-ICF-NEXT: __TEXT:__objc_methname:bar

# EXPLICIT-AND-IMPLICIT:      Contents of (__DATA,__objc_selrefs) section
# EXPLICIT-AND-IMPLICIT-NEXT: __TEXT:__objc_methname:foo
# EXPLICIT-AND-IMPLICIT-NEXT: __TEXT:__objc_methname:bar
# EXPLICIT-AND-IMPLICIT-NEXT: __TEXT:__objc_methname:length

#--- explicit-selrefs-1.s
.section  __TEXT,__objc_methname,cstring_literals
lselref1:
  .asciz  "foo"
lselref2:
  .asciz  "bar"

.section  __DATA,__objc_selrefs,literal_pointers,no_dead_strip
.p2align  3
  .quad lselref1
  .quad lselref2
  .quad lselref2

#--- explicit-selrefs-2.s
.section  __TEXT,__objc_methname,cstring_literals
lselref1:
  .asciz  "foo"

.section  __DATA,__objc_selrefs,literal_pointers,no_dead_strip
.p2align  3
  .quad lselref1

#--- implicit-selrefs.s
.text
.globl _objc_msgSend
.p2align 2
_objc_msgSend:
  ret

.p2align 2
_sender:
  bl _objc_msgSend$length
  bl _objc_msgSend$foo
  ret