1/* LINTLIBRARY */ 2/*- 3 * Copyright 1996-1998 John D. Polstra. 4 * Copyright 2014 Andrew Turner. 5 * Copyright 2014-2015 The FreeBSD Foundation. 6 * All rights reserved. 7 * 8 * Portions of this software were developed by Andrew Turner 9 * under sponsorship from the FreeBSD Foundation. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#include <machine/asm.h> 33#include <sys/elf_common.h> 34 35 /* 36 * The program entry point 37 * void _start(char **ap, void (*cleanup)(void)) __dead2 38 */ 39ENTRY(_start) 40 .cfi_undefined x30 41 mov x3, x2 /* cleanup */ 42 add x1, x0, #8 /* load argv */ 43 ldr x0, [x0] /* load argc */ 44 add x2, x1, x0, lsl #3 /* env is after argv */ 45 add x2, x2, #8 /* argv is null terminated */ 46#ifdef PIC 47 adrp x4, main 48 add x4, x4, :lo12:main 49#else 50 ldr x4, =main 51#endif 52#ifdef GCRT 53 ldr x5, =eprol 54 ldr x6, =etext 55 /* 56 * __libc_start1_gcrt(argc, argv, env, cleanup, main, &eprol, &etext) 57 */ 58 bl __libc_start1_gcrt 59eprol: 60#else 61 /* __libc_start1(argc, argv, env, cleanup, main) */ 62 bl __libc_start1 63#endif 64END(_start) 65 66 .section .note.GNU-stack,"",@progbits 67 68GNU_PROPERTY_AARCH64_FEATURE_1_NOTE(GNU_PROPERTY_AARCH64_FEATURE_1_VAL) 69