1 // The content of this file is AArch64-only: 2 #if defined(__aarch64__) 3 4 #include "sanitizer_common/sanitizer_asm.h" 5 6 #if !defined(__APPLE__) 7 .section .text 8 #else 9 .section __TEXT,__text 10 .align 3 11 #endif 12 13 ASM_HIDDEN(__tsan_setjmp) 14 .comm _ZN14__interception11real_setjmpE,8,8 15 .globl ASM_SYMBOL_INTERCEPTOR(setjmp) 16 ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(setjmp)) 17 ASM_SYMBOL_INTERCEPTOR(setjmp): 18 CFI_STARTPROC 19 20 // Save frame/link register 21 stp x29, x30, [sp, -32]! 22 CFI_DEF_CFA_OFFSET (32) 23 CFI_OFFSET (29, -32) 24 CFI_OFFSET (30, -24) 25 26 // Adjust the SP for previous frame 27 add x29, sp, 0 28 CFI_DEF_CFA_REGISTER (29) 29 30 // Save env parameter 31 str x0, [sp, 16] 32 CFI_OFFSET (0, -16) 33 34 // Obtain SP, first argument to `void __tsan_setjmp(uptr sp)` 35 add x0, x29, 32 36 37 // call tsan interceptor 38 bl ASM_SYMBOL(__tsan_setjmp) 39 40 // Restore env parameter 41 ldr x0, [sp, 16] 42 CFI_RESTORE (0) 43 44 // Restore frame/link register 45 ldp x29, x30, [sp], 32 46 CFI_RESTORE (29) 47 CFI_RESTORE (30) 48 CFI_DEF_CFA (31, 0) 49 50 // tail jump to libc setjmp 51 #if !defined(__APPLE__) 52 adrp x1, :got:_ZN14__interception11real_setjmpE 53 ldr x1, [x1, #:got_lo12:_ZN14__interception11real_setjmpE] 54 ldr x1, [x1] 55 #else 56 adrp x1, _setjmp@GOTPAGE 57 ldr x1, [x1, _setjmp@GOTPAGEOFF] 58 #endif 59 br x1 60 61 CFI_ENDPROC 62 ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(setjmp)) 63 64 .comm _ZN14__interception12real__setjmpE,8,8 65 .globl ASM_SYMBOL_INTERCEPTOR(_setjmp) 66 ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(_setjmp)) 67 ASM_SYMBOL_INTERCEPTOR(_setjmp): 68 CFI_STARTPROC 69 70 // Save frame/link register 71 stp x29, x30, [sp, -32]! 72 CFI_DEF_CFA_OFFSET (32) 73 CFI_OFFSET (29, -32) 74 CFI_OFFSET (30, -24) 75 76 // Adjust the SP for previous frame 77 add x29, sp, 0 78 CFI_DEF_CFA_REGISTER (29) 79 80 // Save env parameter 81 str x0, [sp, 16] 82 CFI_OFFSET (0, -16) 83 84 // Obtain SP, first argument to `void __tsan_setjmp(uptr sp)` 85 add x0, x29, 32 86 87 // call tsan interceptor 88 bl ASM_SYMBOL(__tsan_setjmp) 89 90 // Restore env parameter 91 ldr x0, [sp, 16] 92 CFI_RESTORE (0) 93 94 // Restore frame/link register 95 ldp x29, x30, [sp], 32 96 CFI_RESTORE (29) 97 CFI_RESTORE (30) 98 CFI_DEF_CFA (31, 0) 99 100 // tail jump to libc setjmp 101 #if !defined(__APPLE__) 102 adrp x1, :got:_ZN14__interception12real__setjmpE 103 ldr x1, [x1, #:got_lo12:_ZN14__interception12real__setjmpE] 104 ldr x1, [x1] 105 #else 106 adrp x1, __setjmp@GOTPAGE 107 ldr x1, [x1, __setjmp@GOTPAGEOFF] 108 #endif 109 br x1 110 111 CFI_ENDPROC 112 ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(_setjmp)) 113 114 .comm _ZN14__interception14real_sigsetjmpE,8,8 115 .globl ASM_SYMBOL_INTERCEPTOR(sigsetjmp) 116 ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(sigsetjmp)) 117 ASM_SYMBOL_INTERCEPTOR(sigsetjmp): 118 CFI_STARTPROC 119 120 // Save frame/link register 121 stp x29, x30, [sp, -32]! 122 CFI_DEF_CFA_OFFSET (32) 123 CFI_OFFSET (29, -32) 124 CFI_OFFSET (30, -24) 125 126 // Adjust the SP for previous frame 127 add x29, sp, 0 128 CFI_DEF_CFA_REGISTER (29) 129 130 // Save env and savesigs parameter 131 stp x0, x1, [sp, 16] 132 CFI_OFFSET (0, -16) 133 CFI_OFFSET (1, -8) 134 135 // Obtain SP, first argument to `void __tsan_setjmp(uptr sp)` 136 add x0, x29, 32 137 138 // call tsan interceptor 139 bl ASM_SYMBOL(__tsan_setjmp) 140 141 // Restore env and savesigs parameter 142 ldp x0, x1, [sp, 16] 143 CFI_RESTORE (0) 144 CFI_RESTORE (1) 145 146 // Restore frame/link register 147 ldp x29, x30, [sp], 32 148 CFI_RESTORE (29) 149 CFI_RESTORE (30) 150 CFI_DEF_CFA (31, 0) 151 152 // tail jump to libc sigsetjmp 153 #if !defined(__APPLE__) 154 adrp x2, :got:_ZN14__interception14real_sigsetjmpE 155 ldr x2, [x2, #:got_lo12:_ZN14__interception14real_sigsetjmpE] 156 ldr x2, [x2] 157 #else 158 adrp x2, _sigsetjmp@GOTPAGE 159 ldr x2, [x2, _sigsetjmp@GOTPAGEOFF] 160 #endif 161 br x2 162 CFI_ENDPROC 163 ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(sigsetjmp)) 164 165 #if !defined(__APPLE__) 166 .comm _ZN14__interception16real___sigsetjmpE,8,8 167 .globl ASM_SYMBOL_INTERCEPTOR(__sigsetjmp) 168 ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(__sigsetjmp)) 169 ASM_SYMBOL_INTERCEPTOR(__sigsetjmp): 170 CFI_STARTPROC 171 172 // Save frame/link register 173 stp x29, x30, [sp, -32]! 174 CFI_DEF_CFA_OFFSET (32) 175 CFI_OFFSET (29, -32) 176 CFI_OFFSET (30, -24) 177 178 // Adjust the SP for previous frame 179 add x29, sp, 0 180 CFI_DEF_CFA_REGISTER (29) 181 182 // Save env and savesigs parameter 183 stp x0, x1, [sp, 16] 184 CFI_OFFSET (0, -16) 185 CFI_OFFSET (1, -8) 186 187 // Obtain SP, first argument to `void __tsan_setjmp(uptr sp)` 188 add x0, x29, 32 189 190 // call tsan interceptor 191 bl ASM_SYMBOL(__tsan_setjmp) 192 193 // Restore env and savesigs parameter 194 ldp x0, x1, [sp, 16] 195 CFI_RESTORE (0) 196 CFI_RESTORE (1) 197 198 // Restore frame/link register 199 ldp x29, x30, [sp], 32 200 CFI_RESTORE (29) 201 CFI_RESTORE (30) 202 CFI_DEF_CFA (31, 0) 203 204 // tail jump to libc __sigsetjmp 205 #if !defined(__APPLE__) 206 adrp x2, :got:_ZN14__interception16real___sigsetjmpE 207 ldr x2, [x2, #:got_lo12:_ZN14__interception16real___sigsetjmpE] 208 ldr x2, [x2] 209 #else 210 adrp x2, ASM_SYMBOL(__sigsetjmp)@page 211 add x2, x2, ASM_SYMBOL(__sigsetjmp)@pageoff 212 #endif 213 br x2 214 CFI_ENDPROC 215 ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(__sigsetjmp)) 216 #endif 217 218 NO_EXEC_STACK_DIRECTIVE 219 220 #endif 221
Indexes created Sat Feb 28 05:31:39 UTC 2026