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
|
# REQUIRES: mips
# Check PLT creation for microMIPS to microMIPS calls.
# RUN: echo "SECTIONS { \
# RUN: . = 0x20000; .text ALIGN(0x100) : { *(.text) } \
# RUN: . = 0x20300; .plt : { *(.plt) } \
# RUN: }" > %t.script
# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
# RUN: -mattr=micromips %S/Inputs/mips-micro.s -o %t1eb.o
# RUN: ld.lld -shared -soname=teb.so -o %teb.so %t1eb.o
# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
# RUN: -mattr=micromips %s -o %t2eb.o
# RUN: ld.lld --script %t.script -o %teb.exe %t2eb.o %teb.so
# RUN: llvm-objdump -d --mattr=micromips --no-show-raw-insn %teb.exe \
# RUN: | FileCheck --check-prefix=R2 %s
# RUN: llvm-readelf -A %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 -soname=tel.so -o %tel.so %t1el.o
# RUN: llvm-mc -filetype=obj -triple=mipsel-unknown-linux \
# RUN: -mattr=micromips %s -o %t2el.o
# RUN: ld.lld --script %t.script -o %tel.exe %t2el.o %tel.so
# RUN: llvm-objdump -d --mattr=micromips --no-show-raw-insn %tel.exe \
# RUN: | FileCheck --check-prefix=R2 %s
# RUN: llvm-readelf -A %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 -soname=teb.so -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 --script %t.script -o %teb.exe %t2eb.o %teb.so
# RUN: llvm-objdump -d --mattr=micromips %teb.exe --no-show-raw-insn \
# RUN: | FileCheck --check-prefix=R6 %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 -soname=tel.so -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 --script %t.script -o %tel.exe %t2el.o %tel.so
# RUN: llvm-objdump -d --mattr=micromips --no-show-raw-insn %tel.exe \
# RUN: | FileCheck --check-prefix=R6 %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 -soname=teb.so -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 --script %t.script -o %teb.exe %t-reg.o %t2eb.o %teb.so
# RUN: llvm-objdump -d --mattr=micromips --no-show-raw-insn %teb.exe \
# RUN: | FileCheck --check-prefix=R2 %s
# R2: .plt:
# R2: 20300: addiupc $3, 52
# R2-NEXT: lw $25, 0($3)
# R2-NEXT: subu16 $2, $2, $3
# R2-NEXT: srl16 $2, $2, 2
# R2-NEXT: addiu $24, $2, -2
# R2-NEXT: move $15, $ra
# R2-NEXT: jalrs16 $25
# R2-NEXT: move $gp, $3
# R2-NEXT: nop
# R2-NEXT: ...
# R2-NEXT: 20320: addiupc $2, 28
# R2-NEXT: lw $25, 0($2)
# R2-NEXT: jr16 $25
# R2-NEXT: move $24, $2
# R6: .plt:
# R6: 20300: lapc $3, 52
# R6-NEXT: lw $25, 0($3)
# R6-NEXT: subu16 $2, $2, $3
# R6-NEXT: srl16 $2, $2, 2
# R6-NEXT: addiu $24, $2, -2
# R6-NEXT: move16 $15, $ra
# R6-NEXT: move16 $gp, $3
# R6-NEXT: jalr $25
# R6: 20320: lapc $2, 28
# R6-NEXT: lw $25, 0($2)
# R6-NEXT: move16 $24, $2
# R6-NEXT: jrc16 $25
# PLT: PLT GOT:
# PLT: Entries:
# PLT-NEXT: Address Initial Sym.Val. Type Ndx Name
# PLT-NEXT: 0002033c 00020301 00000000 FUNC UND foo
# ^ 0x20320 + 28
.text
.set micromips
.global __start
__start:
jal foo
|
