aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/clang18-rt/lib/tsan/rtl/tsan_rtl_aarch64.S
blob: c6162659b87667eb219e9b3afec1f8dda4991f28 (plain) (blame)
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
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
// The content of this file is AArch64-only:
#if defined(__aarch64__)

#include "sanitizer_common/sanitizer_asm.h"

#if !defined(__APPLE__)
.section .text
#else
.section __TEXT,__text
.align 3
#endif

ASM_HIDDEN(__tsan_setjmp)
.comm _ZN14__interception11real_setjmpE,8,8
.globl ASM_SYMBOL_INTERCEPTOR(setjmp)
ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(setjmp))
ASM_SYMBOL_INTERCEPTOR(setjmp):
  CFI_STARTPROC

  // Save frame/link register
  stp     x29, x30, [sp, -32]!
  CFI_DEF_CFA_OFFSET (32)
  CFI_OFFSET (29, -32)
  CFI_OFFSET (30, -24)

  // Adjust the SP for previous frame
  add     x29, sp, 0
  CFI_DEF_CFA_REGISTER (29)

  // Save env parameter
  str     x0, [sp, 16]
  CFI_OFFSET (0, -16)

  // Obtain SP, first argument to `void __tsan_setjmp(uptr sp)`
  add     x0, x29, 32

  // call tsan interceptor
  bl      ASM_SYMBOL(__tsan_setjmp)

  // Restore env parameter
  ldr     x0, [sp, 16]
  CFI_RESTORE (0)

  // Restore frame/link register
  ldp     x29, x30, [sp], 32
  CFI_RESTORE (29)
  CFI_RESTORE (30)
  CFI_DEF_CFA (31, 0)

  // tail jump to libc setjmp
#if !defined(__APPLE__)
  adrp    x1, :got:_ZN14__interception11real_setjmpE
  ldr     x1, [x1, #:got_lo12:_ZN14__interception11real_setjmpE]
  ldr     x1, [x1]
#else
  adrp    x1, _setjmp@GOTPAGE
  ldr     x1, [x1, _setjmp@GOTPAGEOFF]
#endif
  br      x1

  CFI_ENDPROC
ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(setjmp))

.comm _ZN14__interception12real__setjmpE,8,8
.globl ASM_SYMBOL_INTERCEPTOR(_setjmp)
ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(_setjmp))
ASM_SYMBOL_INTERCEPTOR(_setjmp):
  CFI_STARTPROC

  // Save frame/link register
  stp     x29, x30, [sp, -32]!
  CFI_DEF_CFA_OFFSET (32)
  CFI_OFFSET (29, -32)
  CFI_OFFSET (30, -24)

  // Adjust the SP for previous frame
  add     x29, sp, 0
  CFI_DEF_CFA_REGISTER (29)

  // Save env parameter
  str     x0, [sp, 16]
  CFI_OFFSET (0, -16)

  // Obtain SP, first argument to `void __tsan_setjmp(uptr sp)`
  add     x0, x29, 32

  // call tsan interceptor
  bl      ASM_SYMBOL(__tsan_setjmp)

  // Restore env parameter
  ldr     x0, [sp, 16]
  CFI_RESTORE (0)

  // Restore frame/link register
  ldp     x29, x30, [sp], 32
  CFI_RESTORE (29)
  CFI_RESTORE (30)
  CFI_DEF_CFA (31, 0)

  // tail jump to libc setjmp
#if !defined(__APPLE__)
  adrp    x1, :got:_ZN14__interception12real__setjmpE
  ldr     x1, [x1, #:got_lo12:_ZN14__interception12real__setjmpE]
  ldr     x1, [x1]
#else
  adrp    x1, __setjmp@GOTPAGE
  ldr     x1, [x1, __setjmp@GOTPAGEOFF]
#endif
  br      x1

  CFI_ENDPROC
ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(_setjmp))

.comm _ZN14__interception14real_sigsetjmpE,8,8
.globl ASM_SYMBOL_INTERCEPTOR(sigsetjmp)
ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(sigsetjmp))
ASM_SYMBOL_INTERCEPTOR(sigsetjmp):
  CFI_STARTPROC

  // Save frame/link register
  stp     x29, x30, [sp, -32]!
  CFI_DEF_CFA_OFFSET (32)
  CFI_OFFSET (29, -32)
  CFI_OFFSET (30, -24)

  // Adjust the SP for previous frame
  add     x29, sp, 0
  CFI_DEF_CFA_REGISTER (29)

  // Save env and savesigs parameter
  stp     x0, x1, [sp, 16]
  CFI_OFFSET (0, -16)
  CFI_OFFSET (1, -8)

  // Obtain SP, first argument to `void __tsan_setjmp(uptr sp)`
  add     x0, x29, 32

  // call tsan interceptor
  bl      ASM_SYMBOL(__tsan_setjmp)

  // Restore env and savesigs parameter
  ldp     x0, x1, [sp, 16]
  CFI_RESTORE (0)
  CFI_RESTORE (1)

  // Restore frame/link register
  ldp     x29, x30, [sp], 32
  CFI_RESTORE (29)
  CFI_RESTORE (30)
  CFI_DEF_CFA (31, 0)

  // tail jump to libc sigsetjmp
#if !defined(__APPLE__)
  adrp    x2, :got:_ZN14__interception14real_sigsetjmpE
  ldr     x2, [x2, #:got_lo12:_ZN14__interception14real_sigsetjmpE]
  ldr     x2, [x2]
#else
  adrp    x2, _sigsetjmp@GOTPAGE
  ldr     x2, [x2, _sigsetjmp@GOTPAGEOFF]
#endif
  br      x2
  CFI_ENDPROC
ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(sigsetjmp))

#if !defined(__APPLE__)
.comm _ZN14__interception16real___sigsetjmpE,8,8
.globl ASM_SYMBOL_INTERCEPTOR(__sigsetjmp)
ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(__sigsetjmp))
ASM_SYMBOL_INTERCEPTOR(__sigsetjmp):
  CFI_STARTPROC

  // Save frame/link register
  stp     x29, x30, [sp, -32]!
  CFI_DEF_CFA_OFFSET (32)
  CFI_OFFSET (29, -32)
  CFI_OFFSET (30, -24)

  // Adjust the SP for previous frame
  add     x29, sp, 0
  CFI_DEF_CFA_REGISTER (29)

  // Save env and savesigs parameter
  stp     x0, x1, [sp, 16]
  CFI_OFFSET (0, -16)
  CFI_OFFSET (1, -8)

  // Obtain SP, first argument to `void __tsan_setjmp(uptr sp)`
  add     x0, x29, 32

  // call tsan interceptor
  bl      ASM_SYMBOL(__tsan_setjmp)

  // Restore env and savesigs parameter
  ldp     x0, x1, [sp, 16]
  CFI_RESTORE (0)
  CFI_RESTORE (1)

  // Restore frame/link register
  ldp     x29, x30, [sp], 32
  CFI_RESTORE (29)
  CFI_RESTORE (30)
  CFI_DEF_CFA (31, 0)

  // tail jump to libc __sigsetjmp
#if !defined(__APPLE__)
  adrp    x2, :got:_ZN14__interception16real___sigsetjmpE
  ldr     x2, [x2, #:got_lo12:_ZN14__interception16real___sigsetjmpE]
  ldr     x2, [x2]
#else
  adrp    x2, ASM_SYMBOL(__sigsetjmp)@page
  add     x2, x2, ASM_SYMBOL(__sigsetjmp)@pageoff
#endif
  br      x2
  CFI_ENDPROC
ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(__sigsetjmp))
#endif

NO_EXEC_STACK_DIRECTIVE

#endif