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5  ***   of the same name, to make information necessary for userspace to
6 *** call into the kernel available to libc. It contains only constants,
10 *** To edit the content of this header, modify the corresponding
77 #define __invoke_copy_to_user(to, from, n) ({ register void __user *__cu_to_r __asm__("$4"); register const void *__cu_from_r __asm__("$5"); register long __cu_len_r __asm__("$6"); __cu_to_r = (to); __cu_from_r = (from); __cu_len_r = (n); __asm__ __volatile__( __MODULE_JAL(__copy_user) : "+r" (__cu_to_r), "+r" (__cu_from_r), "+r" (__cu_len_r) : : "$8", "$9", "$10", "$11", "$12", "$15", "$24", "$31", DADDI_SCRATCH, "memory"); __cu_len_r; })
79 #define __copy_to_user(to, from, n) ({ void __user *__cu_to; const void *__cu_from; long __cu_len; might_sleep(); __cu_to = (to); __cu_from = (from); __cu_len = (n); __cu_len = __invoke_copy_to_user(__cu_to, __cu_from, __cu_len); __cu_len; })
80 #define __copy_to_user_inatomic(to, from, n) ({ void __user *__cu_to; const void *__cu_from; long __cu_len; __cu_to = (to); __cu_from = (from); __cu_len = (n); __cu_len = __invoke_copy_to_user(__cu_to, __cu_from, __cu_len); __cu_len; })
81 #define __copy_from_user_inatomic(to, from, n) ({ void *__cu_to; const void __user *__cu_from; long __cu_len; __cu_to = (to); __cu_from = (from); __cu_len = (n); __cu_len = __invoke_copy_from_user_inatomic(__cu_to, __cu_from, __cu_len); __cu_len; })
82 #define copy_to_user(to, from, n) ({ void __user *__cu_to; const void *__cu_from; long __cu_len; might_sleep(); __cu_to = (to); __cu_from = (from); __cu_len = (n); if (access_ok(VERIFY_WRITE, __cu_to, __cu_len)) __cu_len = __invoke_copy_to_user(__cu_to, __cu_from, __cu_len); __cu_len; })
84 #define __invoke_copy_from_user(to, from, n) ({ register void *__cu_to_r __asm__("$4"); register const void __user *__cu_from_r __asm__("$5"); register long __cu_len_r __asm__("$6"); __cu_to_r = (to); __cu_from_r = (from); __cu_len_r = (n); __asm__ __volatile__( ".set\tnoreorder\n\t" __MODULE_JAL(__copy_user) ".set\tnoat\n\t" __UA_ADDU "\t$1, %1, %2\n\t" ".set\tat\n\t" ".set\treorder" : "+r" (__cu_to_r), "+r" (__cu_from_r), "+r" (__cu_len_r) : : "$8", "$9", "$10", "$11", "$12", "$15", "$24", "$31", DADDI_SCRATCH, "memory"); __cu_len_r; })
85 #define __invoke_copy_from_user_inatomic(to, from, n) ({ register void *__cu_to_r __asm__("$4"); register const void __user *__cu_from_r __asm__("$5"); register long __cu_len_r __asm__("$6"); __cu_to_r = (to); __cu_from_r = (from); __cu_len_r = (n); __asm__ __volatile__( ".set\tnoreorder\n\t" __MODULE_JAL(__copy_user_inatomic) ".set\tnoat\n\t" __UA_ADDU "\t$1, %1, %2\n\t" ".set\tat\n\t" ".set\treorder" : "+r" (__cu_to_r), "+r" (__cu_from_r), "+r" (__cu_len_r) : : "$8", "$9", "$10", "$11", "$12", "$15", "$24", "$31", DADDI_SCRATCH, "memory"); __cu_len_r; })
86 #define __copy_from_user(to, from, n) ({ void *__cu_to; const void __user *__cu_from; long __cu_len; might_sleep(); __cu_to = (to); __cu_from = (from); __cu_len = (n); __cu_len = __invoke_copy_from_user(__cu_to, __cu_from, __cu_len); __cu_len; })
87 #define copy_from_user(to, from, n) ({ void *__cu_to; const void __user *__cu_from; long __cu_len; might_sleep(); __cu_to = (to); __cu_from = (from); __cu_len = (n); if (access_ok(VERIFY_READ, __cu_from, __cu_len)) __cu_len = __invoke_copy_from_user(__cu_to, __cu_from, __cu_len); __cu_len; })
89 #define __copy_in_user(to, from, n) __copy_from_user(to, from, n)
90 #define copy_in_user(to, from, n) ({ void __user *__cu_to; const void __user *__cu_from; long __cu_len; might_sleep(); __cu_to = (to); __cu_from = (from); __cu_len = (n); if (likely(access_ok(VERIFY_READ, __cu_from, __cu_len) && access_ok(VERIFY_WRITE, __cu_to, __cu_len))) __cu_len = __invoke_copy_from_user(__cu_to, __cu_from, __cu_len); __cu_len; })