Created
March 26, 2025 00:13
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Disallow debugging an iOS app on production
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| #if !DEBUG && (defined(__arm64__) || defined(__aarch64__)) | |
| void __attribute__((constructor)) security_setup(void) { | |
| long PTRACE_SYSCALL = 26; | |
| long PT_DENY_ATTACH = 31; | |
| asm volatile( | |
| "mov x0, %1\n" | |
| "mov x1, #0\n" | |
| "mov x2, #0\n" | |
| "mov x3, #0\n" | |
| "mov x16, %0\n" | |
| "svc #0x80\n" | |
| : | |
| : "r" (PTRACE_SYSCALL), "r" (PT_DENY_ATTACH) | |
| : "x0", "x1", "x2", "x3", "x16" | |
| ); | |
| } | |
| #endif |
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