+
+/*
+ * Do a system call from kernel instead of calling sys_execve so we
+ * end up with proper pt_regs.
+ */
+int kernel_execve(const char *filename, char *const argv[], char *const envp[])
+{
+ register char *__a __asm__ ("r6") = filename;
+ register void *__b __asm__ ("r7") = argv;
+ register void *__c __asm__ ("r8") = envp;
+ register unsigned long __syscall __asm__ ("r12") = __NR_execve;
+ register unsigned long __ret __asm__ ("r10");
+ __asm__ __volatile__ ("trap 0"
+ : "=r" (__ret), "=r" (__syscall)
+ : "1" (__syscall), "r" (__a), "r" (__b), "r" (__c)
+ : "r1", "r5", "r11", "r13", "r14",
+ "r15", "r16", "r17", "r18", "r19");
+ return __ret;
+}