Differential D2183 Diff 4549 libexec/rtld-elf/aarch64/rtld_start.S

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	* uint64_t ptr;			* uint64_t ptr;
	* uint64_t data;			* uint64_t data;
	* };			* };
	*			*
	* Returns the data.			* Returns the data.
	*/			*/
	ENTRY(_rtld_tlsdesc)			ENTRY(_rtld_tlsdesc)
	ldr x0, [x0, #8]			ldr x0, [x0, #8]
	RET			ret
	END(_rtld_tlsdesc)			END(_rtld_tlsdesc)

				/*
				* uint64_t _rtld_tlsdesc_dynamic(struct tlsdesc *);
				*
				* TODO: We could lookup the saved index here to skip saving the entire stack.
				*/
				ENTRY(_rtld_tlsdesc_dynamic)
				/* Store any registers we may use in rtld_tlsdesc_handle */
				stp x29, x30, [sp, #-(10 * 16)]!
				mov x29, sp
				stp x1, x2, [sp, #(1 * 16)]
				stp x3, x4, [sp, #(2 * 16)]
				stp x5, x6, [sp, #(3 * 16)]
				stp x7, x8, [sp, #(4 * 16)]
				stp x9, x10, [sp, #(5 * 16)]
				stp x11, x12, [sp, #(6 * 16)]
				stp x13, x14, [sp, #(7 * 16)]
				stp x15, x16, [sp, #(8 * 16)]
				stp x17, x18, [sp, #(9 * 16)]
				str x31, [sp, #(10 * 16)]

				/* Find the tls offset */
				ldr x0, [x0, #8]
				mov x1, #1
				bl rtld_tlsdesc_handle

				/* Restore the registers */
				ldr x31, [sp, #(10 * 16)]
				ldp x17, x18, [sp, #(9 * 16)]
				ldp x15, x16, [sp, #(8 * 16)]
				ldp x13, x14, [sp, #(7 * 16)]
				ldp x11, x12, [sp, #(6 * 16)]
				ldp x9, x10, [sp, #(5 * 16)]
				ldp x7, x8, [sp, #(4 * 16)]
				ldp x5, x6, [sp, #(3 * 16)]
				ldp x3, x4, [sp, #(2 * 16)]
				ldp x1, x2, [sp, #(1 * 16)]
				ldp x29, x30, [sp], #(10 * 16)

				ret
				END(_rtld_tlsdesc_dynamic)