xref: /freebsd/contrib/llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl_loongarch64.S (revision a03411e84728e9b267056fd31c7d1d9d1dc1b01e) 
1#include "sanitizer_common/sanitizer_asm.h"
2
3.section .text
4
5ASM_HIDDEN(__tsan_setjmp)
6.comm _ZN14__interception11real_setjmpE,8,8
7.globl ASM_SYMBOL_INTERCEPTOR(setjmp)
8ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(setjmp))
9ASM_SYMBOL_INTERCEPTOR(setjmp):
10  CFI_STARTPROC
11
12  // Save frame pointer and return address register
13  addi.d $sp, $sp, -32
14  st.d $ra, $sp, 24
15  st.d $fp, $sp, 16
16  CFI_DEF_CFA_OFFSET (32)
17  CFI_OFFSET (1, -8)
18  CFI_OFFSET (22, -16)
19
20  // Adjust the SP for previous frame
21  addi.d $fp, $sp, 32
22  CFI_DEF_CFA_REGISTER (22)
23
24  // Save env parameter
25  st.d $a0, $sp, 8
26  CFI_OFFSET (4, -24)
27
28  // Obtain SP, first argument to `void __tsan_setjmp(uptr sp)`
29  addi.d  $a0, $fp, 0
30
31  // call tsan interceptor
32  bl      ASM_SYMBOL(__tsan_setjmp)
33
34  // Restore env parameter
35  ld.d $a0, $sp, 8
36  CFI_RESTORE (4)
37
38  // Restore frame/link register
39  ld.d $fp, $sp, 16
40  ld.d $ra, $sp, 24
41  addi.d $sp, $sp, 32
42  CFI_RESTORE (22)
43  CFI_RESTORE (1)
44  CFI_DEF_CFA (3, 0)
45
46  // tail jump to libc setjmp
47  la.local $a1, _ZN14__interception11real_setjmpE
48  ld.d $a1, $a1, 0
49  jr $a1
50
51  CFI_ENDPROC
52ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(setjmp))
53
54.comm _ZN14__interception12real__setjmpE,8,8
55.globl ASM_SYMBOL_INTERCEPTOR(_setjmp)
56ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(_setjmp))
57ASM_SYMBOL_INTERCEPTOR(_setjmp):
58  CFI_STARTPROC
59
60  // Save frame pointer and return address register
61  addi.d $sp, $sp, -32
62  st.d $ra, $sp, 24
63  st.d $fp, $sp, 16
64  CFI_DEF_CFA_OFFSET (32)
65  CFI_OFFSET (1, -8)
66  CFI_OFFSET (22, -16)
67
68  // Adjust the SP for previous frame
69  addi.d $fp, $sp, 32
70  CFI_DEF_CFA_REGISTER (22)
71
72  // Save env parameter
73  st.d $a0, $sp, 8
74  CFI_OFFSET (4, -24)
75
76  // Obtain SP, first argument to `void __tsan_setjmp(uptr sp)`
77  addi.d  $a0, $fp, 0
78
79  // call tsan interceptor
80  bl      ASM_SYMBOL(__tsan_setjmp)
81
82  // Restore env parameter
83  ld.d $a0, $sp, 8
84  CFI_RESTORE (4)
85
86  // Restore frame/link register
87  ld.d $fp, $sp, 16
88  ld.d $ra, $sp, 24
89  addi.d $sp, $sp, 32
90  CFI_RESTORE (22)
91  CFI_RESTORE (1)
92  CFI_DEF_CFA (3, 0)
93
94  // tail jump to libc setjmp
95  la.local $a1, _ZN14__interception12real__setjmpE
96  ld.d $a1, $a1, 0
97  jr $a1
98
99  CFI_ENDPROC
100ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(_setjmp))
101
102.comm _ZN14__interception14real_sigsetjmpE,8,8
103.globl ASM_SYMBOL_INTERCEPTOR(sigsetjmp)
104ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(sigsetjmp))
105ASM_SYMBOL_INTERCEPTOR(sigsetjmp):
106  CFI_STARTPROC
107
108  // Save frame pointer and return address register
109  addi.d $sp, $sp, -32
110  st.d $ra, $sp, 24
111  st.d $fp, $sp, 16
112  CFI_DEF_CFA_OFFSET (32)
113  CFI_OFFSET (1, -8)
114  CFI_OFFSET (22, -16)
115
116  // Adjust the SP for previous frame
117  addi.d $fp, $sp, 32
118  CFI_DEF_CFA_REGISTER (22)
119
120  // Save env parameter
121  st.d $a0, $sp, 8
122  CFI_OFFSET (4, -24)
123
124  // Obtain SP, first argument to `void __tsan_setjmp(uptr sp)`
125  addi.d  $a0, $fp, 0
126
127  // call tsan interceptor
128  bl      ASM_SYMBOL(__tsan_setjmp)
129
130  // Restore env parameter
131  ld.d $a0, $sp, 8
132  CFI_RESTORE (4)
133
134  // Restore frame/link register
135  ld.d $fp, $sp, 16
136  ld.d $ra, $sp, 24
137  addi.d $sp, $sp, 32
138  CFI_RESTORE (22)
139  CFI_RESTORE (1)
140  CFI_DEF_CFA (3, 0)
141
142  // tail jump to libc setjmp
143  la.local $a1, _ZN14__interception14real_sigsetjmpE
144  ld.d $a1, $a1, 0
145  jr $a1
146
147  CFI_ENDPROC
148ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(sigsetjmp))
149
150.comm _ZN14__interception16real___sigsetjmpE,8,8
151.globl ASM_SYMBOL_INTERCEPTOR(__sigsetjmp)
152ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(__sigsetjmp))
153ASM_SYMBOL_INTERCEPTOR(__sigsetjmp):
154  CFI_STARTPROC
155
156  // Save frame pointer and return address register
157  addi.d $sp, $sp, -32
158  st.d $ra, $sp, 24
159  st.d $fp, $sp, 16
160  CFI_DEF_CFA_OFFSET (32)
161  CFI_OFFSET (1, -8)
162  CFI_OFFSET (22, -16)
163
164  // Adjust the SP for previous frame
165  addi.d $fp, $sp, 32
166  CFI_DEF_CFA_REGISTER (22)
167
168  // Save env parameter
169  st.d $a0, $sp, 8
170  CFI_OFFSET (4, -24)
171
172  // Obtain SP, first argument to `void __tsan_setjmp(uptr sp)`
173  addi.d  $a0, $fp, 0
174
175  // call tsan interceptor
176  bl      ASM_SYMBOL(__tsan_setjmp)
177
178  // Restore env parameter
179  ld.d $a0, $sp, 8
180  CFI_RESTORE (4)
181
182  // Restore frame/link register
183  ld.d $fp, $sp, 16
184  ld.d $ra, $sp, 24
185  addi.d $sp, $sp, 32
186  CFI_RESTORE (22)
187  CFI_RESTORE (1)
188  CFI_DEF_CFA (3, 0)
189
190  // tail jump to libc setjmp
191  la.local $a1, _ZN14__interception16real___sigsetjmpE
192  ld.d $a1, $a1, 0
193  jr $a1
194
195  CFI_ENDPROC
196ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(__sigsetjmp))
197