smh

AltStoreCore/ptrace.h

@@ -0,0 +1,14 @@
+//
+//  ptrace.h
+//  AltStore
+//
+//  Created by June P on 12/26/24.
+//  Copyright © 2024 SideStore. All rights reserved.
+//
+
+#ifndef ptrace_h
+#define ptrace_h
+
+int ptrace(int request, pid_t pid, caddr_t addr, int data);
+
+#endif /* ptrace_h */

AltStoreCore/ptrace.m

@@ -0,0 +1,27 @@
+//
+//  ptrace.m
+//  AltStore
+//
+//  Created by June P on 12/26/24.
+//  Copyright © 2024 SideStore. All rights reserved.
+//
+
+
+int ptrace(int request, pid_t pid, caddr_t addr, int data) {
+    int result = 0;
+    __asm__ (
+        "MOV x16, #26          \n"   // Syscall number for ptrace
+        "MOV x0, %[request]    \n"   // Pass request to x0
+        "MOV x1, %[pid]        \n"   // Pass pid to x1
+        "MOV x2, %[addr]       \n"   // Pass addr to x2
+        "MOV x3, %[data]       \n"   // Pass data to x3
+        "SVC 0                 \n"   // Make the syscall (0 for ARM64)
+        : [result] "=r" (result)     // No output
+        : [request] "r" (request),   // Input constraints
+          [pid] "r" (pid),
+          [addr] "r" (addr),
+          [data] "r" (data)
+        : "x0", "x1", "x2", "x3", "x16"  // Clobber list
+    );
+    return result;
+}