Lines Matching refs:tagged
19 syscall ABI that allows userspace to pass certain tagged pointers to
26 this document, a "valid tagged pointer" is a pointer with a potentially
48 tagged pointers in this context is allowed with these exceptions:
55 incorrectly accept valid tagged pointers for the ``brk()``,
65 incorrectly accept valid tagged pointers for this system call.
99 valid tagged pointer.
101 - The syscall behaviour is undefined for invalid tagged pointers: it may
105 - The syscall behaviour for a valid tagged pointer is the same as for
109 A definition of the meaning of tagged pointers on AArch64 can be found
110 in Documentation/arch/arm64/tagged-pointers.rst.
132 Any attempt to use non-zero tagged pointers may result in an error code
157 /* check/enable the tagged address ABI */
172 /* memory access to a tagged address */
173 strcpy(ptr, "tagged pointer\n");
175 /* syscall with a tagged pointer */