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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
# REQUIRES: mips
# Check PLT creation for microMIPS to microMIPS calls.
# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
# RUN: -mattr=micromips %S/Inputs/mips-micro.s -o %t1eb.o
# RUN: ld.lld -shared -o %teb.so %t1eb.o
# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
# RUN: -mattr=micromips %s -o %t2eb.o
# RUN: ld.lld -o %teb.exe %t2eb.o %teb.so
# RUN: llvm-objdump -d -mattr=micromips %teb.exe | FileCheck --check-prefix=EB %s
# RUN: llvm-readobj -mips-plt-got %teb.exe | FileCheck --check-prefix=PLT %s
# RUN: llvm-mc -filetype=obj -triple=mipsel-unknown-linux \
# RUN: -mattr=micromips %S/Inputs/mips-micro.s -o %t1el.o
# RUN: ld.lld -shared -o %tel.so %t1el.o
# RUN: llvm-mc -filetype=obj -triple=mipsel-unknown-linux \
# RUN: -mattr=micromips %s -o %t2el.o
# RUN: ld.lld -o %tel.exe %t2el.o %tel.so
# RUN: llvm-objdump -d -mattr=micromips %tel.exe | FileCheck --check-prefix=EL %s
# RUN: llvm-readobj -mips-plt-got %tel.exe | FileCheck --check-prefix=PLT %s
# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
# RUN: -mattr=micromips -mcpu=mips32r6 %S/Inputs/mips-micro.s -o %t1eb.o
# RUN: ld.lld -shared -o %teb.so %t1eb.o
# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
# RUN: -mattr=micromips -mcpu=mips32r6 %s -o %t2eb.o
# RUN: ld.lld -o %teb.exe %t2eb.o %teb.so
# RUN: llvm-objdump -d -mattr=micromips %teb.exe | FileCheck --check-prefix=EBR6 %s
# RUN: llvm-mc -filetype=obj -triple=mipsel-unknown-linux \
# RUN: -mattr=micromips -mcpu=mips32r6 %S/Inputs/mips-micro.s -o %t1el.o
# RUN: ld.lld -shared -o %tel.so %t1el.o
# RUN: llvm-mc -filetype=obj -triple=mipsel-unknown-linux \
# RUN: -mattr=micromips -mcpu=mips32r6 %s -o %t2el.o
# RUN: ld.lld -o %tel.exe %t2el.o %tel.so
# RUN: llvm-objdump -d -mattr=micromips %tel.exe | FileCheck --check-prefix=ELR6 %s
# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
# RUN: -mattr=micromips %S/Inputs/mips-micro.s -o %t1eb.o
# RUN: ld.lld -shared -o %teb.so %t1eb.o
# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
# RUN: %S/Inputs/mips-fpic.s -o %t-reg.o
# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
# RUN: -mattr=micromips %s -o %t2eb.o
# RUN: ld.lld --no-threads -o %teb.exe %t-reg.o %t2eb.o %teb.so
# RUN: llvm-objdump -d -mattr=micromips %teb.exe \
# RUN: | FileCheck --check-prefix=MIXED %s
# EB: Disassembly of section .plt:
# EB-NEXT: .plt:
# EB-NEXT: 20010: 79 80 3f fd addiupc $3, 65524
# EB-NEXT: 20014: ff 23 00 00 lw $25, 0($3)
# EB-NEXT: 20018: 05 35 subu16 $2, $2, $3
# EB-NEXT: 2001a: 25 25 srl16 $2, $2, 2
# EB-NEXT: 2001c: 33 02 ff fe addiu $24, $2, -2
# EB-NEXT: 20020: 0d ff move $15, $ra
# EB-NEXT: 20022: 45 f9 jalrs16 $25
# EB-NEXT: 20024: 0f 83 move $gp, $3
# EB-NEXT: 20026: 0c 00 nop
# EB-NEXT: ...
# EB-NEXT: 20030: 79 00 3f f7 addiupc $2, 65500
# EB-NEXT: 20034: ff 22 00 00 lw $25, 0($2)
# EB-NEXT: 20038: 45 99 jr16 $25
# EB-NEXT: 2003a: 0f 02 move $24, $2
# EL: Disassembly of section .plt:
# EL-NEXT: .plt:
# EL-NEXT: 20010: 80 79 fd 3f addiupc $3, 65524
# EL-NEXT: 20014: 23 ff 00 00 lw $25, 0($3)
# EL-NEXT: 20018: 35 05 subu16 $2, $2, $3
# EL-NEXT: 2001a: 25 25 srl16 $2, $2, 2
# EL-NEXT: 2001c: 02 33 fe ff addiu $24, $2, -2
# EL-NEXT: 20020: ff 0d move $15, $ra
# EL-NEXT: 20022: f9 45 jalrs16 $25
# EL-NEXT: 20024: 83 0f move $gp, $3
# EL-NEXT: 20026: 00 0c nop
# EL-NEXT: ...
# EL-NEXT: 20030: 00 79 f7 3f addiupc $2, 65500
# EL-NEXT: 20034: 22 ff 00 00 lw $25, 0($2)
# EL-NEXT: 20038: 99 45 jr16 $25
# EL-NEXT: 2003a: 02 0f move $24, $2
# EBR6: Disassembly of section .plt:
# EBR6-NEXT: .plt:
# EBR6-NEXT: 20010: 78 60 3f fd lapc $3, 65524
# EBR6-NEXT: 20014: ff 23 00 00 lw $25, 0($3)
# EBR6-NEXT: 20018: 05 35 subu16 $2, $2, $3
# EBR6-NEXT: 2001a: 25 25 srl16 $2, $2, 2
# EBR6-NEXT: 2001c: 33 02 ff fe addiu $24, $2, -2
# EBR6-NEXT: 20020: 0d ff move16 $15, $ra
# EBR6-NEXT: 20022: 0f 83 move16 $gp, $3
# EBR6-NEXT: 20024: 47 2b jalr $25
# EBR6: 20030: 78 40 3f f7 lapc $2, 65500
# EBR6-NEXT: 20034: ff 22 00 00 lw $25, 0($2)
# EBR6-NEXT: 20038: 0f 02 move16 $24, $2
# EBR6-NEXT: 2003a: 47 23 jrc16 $25
# ELR6: Disassembly of section .plt:
# ELR6-NEXT: .plt:
# ELR6-NEXT: 20010: 60 78 fd 3f lapc $3, 65524
# ELR6-NEXT: 20014: 23 ff 00 00 lw $25, 0($3)
# ELR6-NEXT: 20018: 35 05 subu16 $2, $2, $3
# ELR6-NEXT: 2001a: 25 25 srl16 $2, $2, 2
# ELR6-NEXT: 2001c: 02 33 fe ff addiu $24, $2, -2
# ELR6-NEXT: 20020: ff 0d move16 $15, $ra
# ELR6-NEXT: 20022: 83 0f move16 $gp, $3
# ELR6-NEXT: 20024: 2b 47 jalr $25
# ELR6: 20030: 40 78 f7 3f lapc $2, 65500
# ELR6-NEXT: 20034: 22 ff 00 00 lw $25, 0($2)
# ELR6-NEXT: 20038: 02 0f move16 $24, $2
# ELR6-NEXT: 2003a: 23 47 jrc16 $25
# MIXED: Disassembly of section .plt:
# MIXED-NEXT: .plt:
# MIXED-NEXT: 20020: 79 80 3f f9 addiupc $3, 65508
# MIXED-NEXT: 20024: ff 23 00 00 lw $25, 0($3)
# MIXED-NEXT: 20028: 05 35 subu16 $2, $2, $3
# MIXED-NEXT: 2002a: 25 25 srl16 $2, $2, 2
# MIXED-NEXT: 2002c: 33 02 ff fe addiu $24, $2, -2
# MIXED-NEXT: 20030: 0d ff move $15, $ra
# MIXED-NEXT: 20032: 45 f9 jalrs16 $25
# MIXED-NEXT: 20034: 0f 83 move $gp, $3
# MIXED-NEXT: 20036: 0c 00 nop
# MIXED-NEXT: ...
# MIXED-NEXT: 20040: 79 00 3f f3 addiupc $2, 65484
# MIXED-NEXT: 20044: ff 22 00 00 lw $25, 0($2)
# MIXED-NEXT: 20048: 45 99 jr16 $25
# MIXED-NEXT: 2004a: 0f 02 move $24, $2
# PLT: Entries [
# PLT-NEXT: Entry {
# PLT-NEXT: Address: 0x3000C
# ^ 0x20030 + 65500
# PLT-NEXT: Initial:
# PLT-NEXT: Value: 0x0
# PLT-NEXT: Type: Function
# PLT-NEXT: Section: Undefined
# PLT-NEXT: Name: foo
# PLT-NEXT: }
# PLT-NEXT: ]
.text
.set micromips
.global __start
__start:
jal foo
|
