xref: /freebsd/contrib/llvm-project/compiler-rt/lib/tsan/rtl/tsan_rtl_mips64.S (revision d4eeb02986980bf33dd56c41ceb9fc5f180c0d47)
1.section .text
2.set noreorder
3
4.hidden __tsan_setjmp
5.comm _ZN14__interception11real_setjmpE,8,8
6.globl setjmp
7.type setjmp, @function
8setjmp:
9
10  // save env parameters
11  daddiu $sp,$sp,-40
12  sd $s0,32($sp)
13  sd $ra,24($sp)
14  sd $fp,16($sp)
15  sd $gp,8($sp)
16
17  // calculate and save pointer to GOT
18  lui $gp,%hi(%neg(%gp_rel(setjmp)))
19  daddu $gp,$gp,$t9
20  daddiu $gp,$gp,%lo(%neg(%gp_rel(setjmp)))
21  move $s0,$gp
22
23  // save jmp_buf
24  sd $a0,0($sp)
25
26  // obtain $sp
27  dadd $a0,$zero,$sp
28
29  // call tsan interceptor
30  jal __tsan_setjmp
31  daddiu $a1,$a0,40
32
33  // restore jmp_buf
34  ld $a0,0($sp)
35
36  // restore gp
37  move $gp,$s0
38
39  // load pointer of libc setjmp to t9
40  dla $t9,(_ZN14__interception11real_setjmpE)
41
42  // restore env parameters
43  ld $gp,8($sp)
44  ld $fp,16($sp)
45  ld $ra,24($sp)
46  ld $s0,32($sp)
47  daddiu $sp,$sp,40
48
49  // tail jump to libc setjmp
50  ld $t9,0($t9)
51  jr $t9
52  nop
53
54.size setjmp, .-setjmp
55
56.hidden __tsan_setjmp
57.globl _setjmp
58.comm _ZN14__interception12real__setjmpE,8,8
59.type _setjmp, @function
60_setjmp:
61
62  // Save env parameters
63  daddiu $sp,$sp,-40
64  sd $s0,32($sp)
65  sd $ra,24($sp)
66  sd $fp,16($sp)
67  sd $gp,8($sp)
68
69  // calculate and save pointer to GOT
70  lui $gp,%hi(%neg(%gp_rel(_setjmp)))
71  daddu $gp,$gp,$t9
72  daddiu $gp,$gp,%lo(%neg(%gp_rel(_setjmp)))
73  move $s0,$gp
74
75  // save jmp_buf
76  sd $a0,0($sp)
77
78  // obtain $sp
79  dadd $a0,$zero,$sp
80
81  // call tsan interceptor
82  jal __tsan_setjmp
83  daddiu $a1,$a0,40
84
85  // restore jmp_buf
86  ld $a0,0($sp)
87
88  // restore gp
89  move $gp,$s0
90
91  // load pointer of libc _setjmp to t9
92  dla $t9,(_ZN14__interception12real__setjmpE)
93
94  // restore env parameters
95  ld $gp,8($sp)
96  ld $fp,16($sp)
97  ld $ra,24($sp)
98  ld $s0,32($sp)
99  daddiu $sp,$sp,40
100
101  // tail jump to libc _setjmp
102  ld $t9,0($t9)
103  jr $t9
104  nop
105
106.size _setjmp, .-_setjmp
107
108.hidden __tsan_setjmp
109.globl sigsetjmp
110.comm _ZN14__interception14real_sigsetjmpE,8,8
111.type sigsetjmp, @function
112sigsetjmp:
113
114  // Save env parameters
115  daddiu $sp,$sp,-48
116  sd $s0,40($sp)
117  sd $ra,32($sp)
118  sd $fp,24($sp)
119  sd $gp,16($sp)
120
121  // calculate and save pointer to GOT
122  lui $gp,%hi(%neg(%gp_rel(sigsetjmp)))
123  daddu $gp,$gp,$t9
124  daddiu $gp,$gp,%lo(%neg(%gp_rel(sigsetjmp)))
125  move $s0,$gp
126
127  // save jmp_buf and savesig
128  sd $a0,0($sp)
129  sd $a1,8($sp)
130
131  // obtain $sp
132  dadd $a0,$zero,$sp
133
134  // call tsan interceptor
135  jal __tsan_setjmp
136  daddiu $a1,$a0,48
137
138  // restore jmp_buf and savesig
139  ld $a0,0($sp)
140  ld $a1,8($sp)
141
142  // restore gp
143  move $gp,$s0
144
145  // load pointer of libc sigsetjmp to t9
146  dla $t9,(_ZN14__interception14real_sigsetjmpE)
147
148  // restore env parameters
149  ld $gp,16($sp)
150  ld $fp,24($sp)
151  ld $ra,32($sp)
152  ld $s0,40($sp)
153  daddiu $sp,$sp,48
154
155  // tail jump to libc sigsetjmp
156  ld $t9,0($t9)
157  jr $t9
158  nop
159
160.size sigsetjmp, .-sigsetjmp
161
162.hidden __tsan_setjmp
163.comm _ZN14__interception16real___sigsetjmpE,8,8
164.globl __sigsetjmp
165.type __sigsetjmp, @function
166__sigsetjmp:
167
168  // Save env parameters
169  daddiu $sp,$sp,-48
170  sd $s0,40($sp)
171  sd $ra,32($sp)
172  sd $fp,24($sp)
173  sd $gp,16($sp)
174
175  // calculate and save pointer to GOT
176  lui $gp,%hi(%neg(%gp_rel(__sigsetjmp)))
177  daddu $gp,$gp,$t9
178  daddiu $gp,$gp,%lo(%neg(%gp_rel(__sigsetjmp)))
179  move $s0,$gp
180
181  // save jmp_buf and savesig
182  sd $a0,0($sp)
183  sd $a1,8($sp)
184
185  // obtain $sp
186  dadd $a0,$zero,$sp
187
188  // call tsan interceptor
189  jal __tsan_setjmp
190  daddiu $a1,$a0,48
191
192  // restore jmp_buf and savesig
193  ld $a0,0($sp)
194  ld $a1,8($sp)
195
196  // restore gp
197  move $gp,$s0
198
199  // load pointer to libc __sigsetjmp in t9
200  dla $t9,(_ZN14__interception16real___sigsetjmpE)
201
202  // restore env parameters
203  ld $gp,16($sp)
204  ld $fp,24($sp)
205  ld $ra,32($sp)
206  ld $s0,40($sp)
207  daddiu $sp,$sp,48
208
209  // tail jump to libc __sigsetjmp
210  ld $t9,0($t9)
211  jr $t9
212  nop
213
214.size __sigsetjmp, .-__sigsetjmp
215