xref: /llvm-project/llvm/test/tools/llvm-objcopy/ELF/skip-symbol.test (revision 4946cc37f4865b89fbebcfa0120183a11ae8d4ab)
1## This test checks the functionality of options --skip-symbol and --skip-symbols.
2# RUN: yaml2obj %s -o %t.o
3# RUN: echo 'foo[2-3]' > %t.skip.regex
4
5## Check --skip-symbol functionality when changing symbol bindings.
6# RUN: llvm-objcopy %t.o %t2.o --localize-hidden --skip-symbol=foo3
7# RUN: llvm-readelf -s %t2.o | FileCheck %s --check-prefix=LH-SYM
8# LH-SYM-DAG: LOCAL  HIDDEN      1 foo1
9# LH-SYM-DAG: LOCAL  HIDDEN      1 foo2
10# LH-SYM-DAG: GLOBAL HIDDEN      1 foo3
11# LH-SYM-DAG: LOCAL  HIDDEN      1 foo4
12# LH-SYM-DAG: LOCAL  HIDDEN      1 foo5
13
14## Check --skip-symbols functionality when changing symbol bindings.
15# RUN: llvm-objcopy %t.o %t1.o --localize-hidden --skip-symbols=%t.skip.regex --regex
16# RUN: llvm-readelf -s %t1.o | FileCheck %s --check-prefix=LH-SYMS
17# LH-SYMS-DAG: LOCAL  HIDDEN      1 foo1
18# LH-SYMS-DAG: GLOBAL HIDDEN      1 foo2
19# LH-SYMS-DAG: GLOBAL HIDDEN      1 foo3
20# LH-SYMS-DAG: LOCAL  HIDDEN      1 foo4
21# LH-SYMS-DAG: LOCAL  HIDDEN      1 foo5
22
23## Check --skip-symbol functionality when changing symbol names.
24# RUN: echo -e "foo1 bar1\nfoo2 bar2" > %t.renames.list
25# RUN: llvm-objcopy %t.o %t4.o --redefine-syms=%t.renames.list \
26# RUN:   --skip-symbol='fo*' --wildcard
27# RUN: llvm-readelf -s %t4.o | FileCheck %s --check-prefix=RS-SYM
28# RS-SYM-DAG: foo1
29# RS-SYM-DAG: foo2
30# RS-SYM-DAG: foo3
31# RS-SYM-DAG: foo4
32# RS-SYM-DAG: foo5
33
34## Check --skip-symbols functionality when changing symbol names.
35# RUN: llvm-objcopy %t.o %t3.o --redefine-syms=%t.renames.list \
36# RUN:   --skip-symbols=%t.skip.regex --regex
37# RUN: llvm-readelf -s %t3.o | FileCheck %s --check-prefix=RS-SYMS
38# RS-SYMS-DAG: bar1
39# RS-SYMS-DAG: foo2
40# RS-SYMS-DAG: foo3
41# RS-SYMS-DAG: foo4
42# RS-SYMS-DAG: foo5
43
44## Check the functionality when using skip options multiple times.
45# RUN: echo "foo3" > %t.symbol0.list
46# RUN: echo "foo4" > %t.symbol1.list
47# RUN: llvm-objcopy %t.o %t5.o --set-symbol-visibility='foo*'=internal --wildcard \
48# RUN:   --skip-symbol=foo1 --skip-symbol=foo2 \
49# RUN:   --skip-symbols=%t.symbol0.list --skip-symbols=%t.symbol1.list
50# RUN: llvm-readelf -s %t5.o | FileCheck %s --check-prefix=BOTH
51# BOTH-DAG: GLOBAL HIDDEN      1 foo1
52# BOTH-DAG: GLOBAL HIDDEN      1 foo2
53# BOTH-DAG: GLOBAL HIDDEN      1 foo3
54# BOTH-DAG: GLOBAL HIDDEN      1 foo4
55## Only foo5 is not skipped.
56# BOTH-DAG: GLOBAL INTERNAL    1 foo5
57
58## Check that using an invalid symbol name regex generates an error.
59# RUN: echo '*.' > %t.symbols.regex
60# RUN: not llvm-objcopy %t.o --skip-symbols=%t.symbols.regex --regex 2>&1 | \
61# RUN:   FileCheck %s --check-prefix=SYMBOL
62# RUN: not llvm-objcopy %t.o --skip-symbol='*.' --regex 2>&1 | \
63# RUN:   FileCheck %s --check-prefix=SYMBOL
64# SYMBOL: error: cannot compile regular expression '*.': repetition-operator operand invalid
65
66## Check passing an invalid filename generates an error.
67# RUN: not llvm-objcopy %t.o --skip-symbols=no_file 2>&1 | \
68# RUN:   FileCheck %s --check-prefix=FILE -DMSG=%errc_ENOENT
69# FILE: error: 'no_file': [[MSG]]
70
71!ELF
72FileHeader:
73  Class:   ELFCLASS64
74  Data:    ELFDATA2LSB
75  Type:    ET_REL
76  Machine: EM_X86_64
77Sections:
78  - Name: .text
79    Type: SHT_PROGBITS
80Symbols:
81  - Name:    foo1
82    Section: .text
83    Binding: STB_GLOBAL
84    Other:   [ STV_HIDDEN ]
85  - Name:    foo2
86    Section: .text
87    Binding: STB_GLOBAL
88    Other:   [ STV_HIDDEN ]
89  - Name:    foo3
90    Section: .text
91    Binding: STB_GLOBAL
92    Other:   [ STV_HIDDEN ]
93  - Name:    foo4
94    Section: .text
95    Binding: STB_GLOBAL
96    Other:   [ STV_HIDDEN ]
97  - Name:    foo5
98    Section: .text
99    Binding: STB_GLOBAL
100    Other:   [ STV_HIDDEN ]
101