File: relocations.s

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (199 lines) | stat: -rw-r--r-- 7,004 bytes parent folder | download | duplicates (3)
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
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
# RUN: llvm-mc -triple riscv32 -riscv-no-aliases < %s -show-encoding \
# RUN:     | FileCheck -check-prefix=INSTR -check-prefix=FIXUP %s
# RUN: llvm-mc -filetype=obj -triple riscv32 -mattr=+c < %s \
# RUN:     | llvm-readobj -r - | FileCheck -check-prefix=RELOC %s

# Check prefixes:
# RELOC - Check the relocation in the object.
# FIXUP - Check the fixup on the instruction.
# INSTR - Check the instruction is handled properly by the ASMPrinter

.long foo
# RELOC: R_RISCV_32 foo

.quad foo
# RELOC: R_RISCV_64 foo

lui t1, %hi(foo)
# RELOC: R_RISCV_HI20 foo 0x0
# INSTR: lui t1, %hi(foo)
# FIXUP: fixup A - offset: 0, value: %hi(foo), kind: fixup_riscv_hi20

lui t1, %hi(foo+4)
# RELOC: R_RISCV_HI20 foo 0x4
# INSTR: lui t1, %hi(foo+4)
# FIXUP: fixup A - offset: 0, value: %hi(foo+4), kind: fixup_riscv_hi20

lui t1, %tprel_hi(foo)
# RELOC: R_RISCV_TPREL_HI20 foo 0x0
# INSTR: lui t1, %tprel_hi(foo)
# FIXUP: fixup A - offset: 0, value: %tprel_hi(foo), kind: fixup_riscv_tprel_hi20

lui t1, %tprel_hi(foo+4)
# RELOC: R_RISCV_TPREL_HI20 foo 0x4
# INSTR: lui t1, %tprel_hi(foo+4)
# FIXUP: fixup A - offset: 0, value: %tprel_hi(foo+4), kind: fixup_riscv_tprel_hi20

addi t1, t1, %lo(foo)
# RELOC: R_RISCV_LO12_I foo 0x0
# INSTR: addi t1, t1, %lo(foo)
# FIXUP: fixup A - offset: 0, value: %lo(foo), kind: fixup_riscv_lo12_i

addi t1, t1, %lo(foo+4)
# RELOC: R_RISCV_LO12_I foo 0x4
# INSTR: addi t1, t1, %lo(foo+4)
# FIXUP: fixup A - offset: 0, value: %lo(foo+4), kind: fixup_riscv_lo12_i

addi t1, t1, %tprel_lo(foo)
# RELOC: R_RISCV_TPREL_LO12_I foo 0x0
# INSTR: addi t1, t1, %tprel_lo(foo)
# FIXUP: fixup A - offset: 0, value: %tprel_lo(foo), kind: fixup_riscv_tprel_lo12_i

addi t1, t1, %tprel_lo(foo+4)
# RELOC: R_RISCV_TPREL_LO12_I foo 0x4
# INSTR: addi t1, t1, %tprel_lo(foo+4)
# FIXUP: fixup A - offset: 0, value: %tprel_lo(foo+4), kind: fixup_riscv_tprel_lo12_i

sb t1, %lo(foo)(a2)
# RELOC: R_RISCV_LO12_S foo 0x0
# INSTR: sb t1, %lo(foo)(a2)
# FIXUP: fixup A - offset: 0, value: %lo(foo), kind: fixup_riscv_lo12_s

sb t1, %lo(foo+4)(a2)
# RELOC: R_RISCV_LO12_S foo 0x4
# INSTR: sb t1, %lo(foo+4)(a2)
# FIXUP: fixup A - offset: 0, value: %lo(foo+4), kind: fixup_riscv_lo12_s

sb t1, %tprel_lo(foo)(a2)
# RELOC: R_RISCV_TPREL_LO12_S foo 0x0
# INSTR: sb t1, %tprel_lo(foo)(a2)
# FIXUP: fixup A - offset: 0, value: %tprel_lo(foo), kind: fixup_riscv_tprel_lo12_s

sb t1, %tprel_lo(foo+4)(a2)
# RELOC: R_RISCV_TPREL_LO12_S foo 0x4
# INSTR: sb t1, %tprel_lo(foo+4)(a2)
# FIXUP: fixup A - offset: 0, value: %tprel_lo(foo+4), kind: fixup_riscv_tprel_lo12_s

.L0:
auipc t1, %pcrel_hi(foo)
# RELOC: R_RISCV_PCREL_HI20 foo 0x0
# INSTR: auipc t1, %pcrel_hi(foo)
# FIXUP: fixup A - offset: 0, value: %pcrel_hi(foo), kind: fixup_riscv_pcrel_hi20

auipc t1, %pcrel_hi(foo+4)
# RELOC: R_RISCV_PCREL_HI20 foo 0x4
# INSTR: auipc t1, %pcrel_hi(foo+4)
# FIXUP: fixup A - offset: 0, value: %pcrel_hi(foo+4), kind: fixup_riscv_pcrel_hi20

addi t1, t1, %pcrel_lo(.L0)
# RELOC: R_RISCV_PCREL_LO12_I .L0 0x0
# INSTR: addi t1, t1, %pcrel_lo(.L0)
# FIXUP: fixup A - offset: 0, value: %pcrel_lo(.L0), kind: fixup_riscv_pcrel_lo12_i

sb t1, %pcrel_lo(.L0)(a2)
# RELOC: R_RISCV_PCREL_LO12_S .L0 0x0
# INSTR: sb t1, %pcrel_lo(.L0)(a2)
# FIXUP: fixup A - offset: 0, value: %pcrel_lo(.L0), kind: fixup_riscv_pcrel_lo12_s

.L1:
auipc t1, %got_pcrel_hi(foo)
# RELOC: R_RISCV_GOT_HI20 foo 0x0
# INSTR: auipc t1, %got_pcrel_hi(foo)
# FIXUP: fixup A - offset: 0, value: %got_pcrel_hi(foo), kind: fixup_riscv_got_hi20

addi t1, t1, %pcrel_lo(.L1)
# RELOC: R_RISCV_PCREL_LO12_I .L1 0x0
# INSTR: addi t1, t1, %pcrel_lo(.L1)
# FIXUP: fixup A - offset: 0, value: %pcrel_lo(.L1), kind: fixup_riscv_pcrel_lo12_i

sb t1, %pcrel_lo(.L1)(a2)
# RELOC: R_RISCV_PCREL_LO12_S .L1 0x0
# INSTR: sb t1, %pcrel_lo(.L1)(a2)
# FIXUP: fixup A - offset: 0, value: %pcrel_lo(.L1), kind: fixup_riscv_pcrel_lo12_s

# Check that GOT relocations aren't evaluated to a constant when the symbol is
# in the same object file.
.L2:
auipc t1, %got_pcrel_hi(.L1)
# RELOC: R_RISCV_GOT_HI20 .L1 0x0
# INSTR: auipc t1, %got_pcrel_hi(.L1)
# FIXUP: fixup A - offset: 0, value: %got_pcrel_hi(.L1), kind: fixup_riscv_got_hi20

addi t1, t1, %pcrel_lo(.L2)
# RELOC: R_RISCV_PCREL_LO12_I .L2 0x0
# INSTR: addi t1, t1, %pcrel_lo(.L2)
# FIXUP: fixup A - offset: 0, value: %pcrel_lo(.L2), kind: fixup_riscv_pcrel_lo12_i

sb t1, %pcrel_lo(.L2)(a2)
# RELOC: R_RISCV_PCREL_LO12_S .L2 0x0
# INSTR: sb t1, %pcrel_lo(.L2)(a2)
# FIXUP: fixup A - offset: 0, value: %pcrel_lo(.L2), kind: fixup_riscv_pcrel_lo12_s

.L3:
auipc t1, %tls_ie_pcrel_hi(foo)
# RELOC: R_RISCV_TLS_GOT_HI20 foo 0x0
# INSTR: auipc t1, %tls_ie_pcrel_hi(foo)
# FIXUP: fixup A - offset: 0, value: %tls_ie_pcrel_hi(foo), kind: fixup_riscv_tls_got_hi20

addi t1, t1, %pcrel_lo(.L3)
# RELOC: R_RISCV_PCREL_LO12_I .L3 0x0
# INSTR: addi t1, t1, %pcrel_lo(.L3)
# FIXUP: fixup A - offset: 0, value: %pcrel_lo(.L3), kind: fixup_riscv_pcrel_lo12_i

sb t1, %pcrel_lo(.L3)(a2)
# RELOC: R_RISCV_PCREL_LO12_S .L3 0x0
# INSTR: sb t1, %pcrel_lo(.L3)(a2)
# FIXUP: fixup A - offset: 0, value: %pcrel_lo(.L3), kind: fixup_riscv_pcrel_lo12_s

.L4:
auipc t1, %tls_gd_pcrel_hi(foo)
# RELOC: R_RISCV_TLS_GD_HI20 foo 0x0
# INSTR: auipc t1, %tls_gd_pcrel_hi(foo)
# FIXUP: fixup A - offset: 0, value: %tls_gd_pcrel_hi(foo), kind: fixup_riscv_tls_gd_hi20

addi t1, t1, %pcrel_lo(.L4)
# RELOC: R_RISCV_PCREL_LO12_I .L4 0x0
# INSTR: addi t1, t1, %pcrel_lo(.L4)
# FIXUP: fixup A - offset: 0, value: %pcrel_lo(.L4), kind: fixup_riscv_pcrel_lo12_i

sb t1, %pcrel_lo(.L4)(a2)
# RELOC: R_RISCV_PCREL_LO12_S .L4 0x0
# INSTR: sb t1, %pcrel_lo(.L4)(a2)
# FIXUP: fixup A - offset: 0, value: %pcrel_lo(.L4), kind: fixup_riscv_pcrel_lo12_s

add t1, t1, tp, %tprel_add(foo)
# RELOC: R_RISCV_TPREL_ADD foo 0x0
# INSTR: add t1, t1, tp, %tprel_add(foo)
# FIXUP: fixup A - offset: 0, value: %tprel_add(foo), kind: fixup_riscv_tprel_add

jal zero, foo
# RELOC: R_RISCV_JAL
# INSTR: jal zero, foo
# FIXUP: fixup A - offset: 0, value: foo, kind: fixup_riscv_jal

# Since foo is undefined, this will be relaxed to (bltu; jal)
bgeu a0, a1, foo
# RELOC: R_RISCV_JAL
# INSTR: bgeu a0, a1, foo
# FIXUP: fixup A - offset: 0, value: foo, kind: fixup_riscv_branch

.L5:
auipc a0, %tlsdesc_hi(a_symbol)
# RELOC: R_RISCV_TLSDESC_HI20
# INSTR: auipc a0, %tlsdesc_hi(a_symbol)
# FIXUP: fixup A - offset: 0, value: %tlsdesc_hi(a_symbol), kind: fixup_riscv_tlsdesc_hi20

lw a1, %tlsdesc_load_lo(.L5)(a0)
# RELOC: R_RISCV_TLSDESC_LOAD_LO12
# INSTR: lw a1, %tlsdesc_load_lo(.L5)(a0)
# FIXUP: fixup A - offset: 0, value: %tlsdesc_load_lo(.L5), kind: fixup_riscv_tlsdesc_load_lo12

addi a0, a0, %tlsdesc_add_lo(.L5)
# RELOC: R_RISCV_TLSDESC_ADD_LO12
# INSTR: addi a0, a0, %tlsdesc_add_lo(.L5)
# FIXUP: fixup A - offset: 0, value: %tlsdesc_add_lo(.L5), kind: fixup_riscv_tlsdesc_add_lo12

jalr t0, 0(a1), %tlsdesc_call(.L5)
# RELOC: R_RISCV_TLSDESC_CALL
# INSTR: jalr t0, 0(a1), %tlsdesc_call(.L5)
# FIXUP: fixup A - offset: 0, value: %tlsdesc_call(.L5), kind: fixup_riscv_tlsdesc_call