1# REQUIRES: x86
2# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
3# RUN: ld.lld %t.o -o %t.out
4# RUN: llvm-objdump -s %t.out| FileCheck %s --check-prefix=BEFORE
5
6# BEFORE:      Contents of section .foo:
7# BEFORE-NEXT:  11223344 556677
8# BEFORE:      Contents of section .init:
9# BEFORE-NEXT:  1122
10
11# RUN: echo "_foo4  " > %t_order.txt
12# RUN: echo "  _foo3" >> %t_order.txt
13# RUN: echo "_nönascii" >> %t_order.txt
14# RUN: echo "_foo5" >> %t_order.txt
15# RUN: echo -e " _foo2 \t\v\r\f" >> %t_order.txt
16# RUN: echo "# a comment" >> %t_order.txt
17# RUN: echo " " >> %t_order.txt
18# RUN: echo "_foo4" >> %t_order.txt
19# RUN: echo "_bar1" >> %t_order.txt
20# RUN: echo "" >> %t_order.txt
21# RUN: echo "_foo1" >> %t_order.txt
22# RUN: echo "_init2" >> %t_order.txt
23# RUN: echo "_init1" >> %t_order.txt
24
25## Show that both --symbol-ordering-file and --symbol-ordering-file= work.
26## Also show that lines beginning with '#', whitespace and empty lines, are ignored.
27## Also show that "first one wins" when there are duplicate symbols in the order
28## file (a warning will be emitted).
29# RUN: ld.lld --symbol-ordering-file %t_order.txt %t.o -o %t2.out 2>&1 | \
30# RUN:   FileCheck %s --check-prefix=WARN --implicit-check-not=warning:
31# RUN: llvm-objdump -s %t2.out | FileCheck %s --check-prefix=AFTER
32# RUN: ld.lld --symbol-ordering-file=%t_order.txt %t.o -o %t2.out
33# RUN: llvm-objdump -s %t2.out | FileCheck %s --check-prefix=AFTER
34
35# WARN: warning: {{.*}}.txt: duplicate ordered symbol
36
37# AFTER:      Contents of section .foo:
38# AFTER-NEXT:  44337755 662211
39# AFTER:      Contents of section .init:
40# AFTER-NEXT:  1122
41
42## Show that a nonexistent symbol ordering file causes an error.
43# RUN: not ld.lld --symbol-ordering-file=%t.nonexistent %t.o -o %t3.out 2>&1 | \
44# RUN:   FileCheck %s --check-prefix=ERR -DFILE=%t.nonexistent
45
46# ERR: error: cannot open [[FILE]]: {{[Nn]}}o such file or directory
47
48## Show that an empty ordering file can be handled (symbols remain in their
49## normal order).
50# RUN: touch %t.empty
51# RUN: ld.lld --symbol-ordering-file=%t.empty %t.o -o %t4.out
52# RUN: llvm-objdump -s %t4.out | FileCheck %s --check-prefix=BEFORE
53
54.section .foo,"ax",@progbits,unique,1
55_foo1:
56 .byte 0x11
57
58.section .foo,"ax",@progbits,unique,2
59_foo2:
60 .byte 0x22
61
62.section .foo,"ax",@progbits,unique,3
63_foo3:
64 .byte 0x33
65
66.section .foo,"ax",@progbits,unique,4
67_foo4:
68 .byte 0x44
69
70.section .foo,"ax",@progbits,unique,5
71_foo5:
72 .byte 0x55
73_bar1:
74 .byte 0x66
75
76.section .foo,"ax",@progbits,unique,6
77"_nönascii":
78.byte 0x77
79
80.section .init,"ax",@progbits,unique,1
81_init1:
82 .byte 0x11
83
84.section .init,"ax",@progbits,unique,2
85_init2:
86 .byte 0x22
87
88.text
89.global _start
90_start:
91    nop
92