/* ELF startup code for HPPA. Copyright (C) 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. In addition to the permissions in the GNU Lesser General Public License, the Free Software Foundation gives you unlimited permission to link the compiled version of this file with other programs, and to distribute those programs without any restriction coming from the use of this file. (The GNU Lesser General Public License restrictions do apply in other respects; for example, they cover modification of the file, and distribution when not linked into another program.) Note that people who make modified versions of this file are not obligated to grant this special exception for their modified versions; it is their choice whether to do so. The GNU Lesser General Public License gives permission to release a modified version without this exception; this exception also makes it possible to release a modified version which carries forward this exception. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ .import main, code .import $global$, data .import __uClibc_main, code #if defined(__UCLIBC_CTOR_DTOR__) .import _fini, code .import _init, code #else .weak _fini .weak _init #endif /* Have the linker create plabel words so we get PLABEL32 relocs and not 21/14 */ .section .rodata .align 4 .Lpmain: .word P%main .Lp__uClibc_main: .word P%__uClibc_main .Lp_fini: .word P%_fini .Lp_init: .word P%_init .text .align 4 .globl _start .export _start, ENTRY .type _start,@function _start: .proc .callinfo /* Expand the stack to store the 5th through 7th args */ ldo 64(%sp), %sp /* TODO: Follow ABI? Place more things on the stack here... */ #ifdef __PIC__ /* load main (1st argument) */ addil LR'.Lpmain, %r19 ldw RR'.Lpmain(%r1), %r26 ldw 0(%r26),%r26 /* argc and argv should be in 25 and 24 (2nd and 3rd argument) */ /* void (*init) (void) (4th argument) */ addil LR'.Lp_init, %r19 ldw RR'.Lp_init(%r1), %r23 ldw 0(%r23), %r23 /* void (*fini) (void) (5th argument) */ addil LR'.Lp_fini, %r19 ldw RR'.Lp_fini(%r1), %r22 ldw 0(%r22), %r22 #else /* load main (1st argument) */ ldil LR'.Lpmain, %r26 ldw RR'.Lpmain(%r26), %r26 /* argc and argv should be in 25 and 24 (2nd and 3rd argument) */ /* void (*init) (void) (4th argument) */ ldil LR'.Lp_init, %r23 ldw RR'.Lp_init(%r23), %r23 /* void (*fini) (void) (5th argument) */ ldil LR'.Lp_fini, %r22 ldw RR'.Lp_fini(%r22), %r22 #endif /* Store 5th argument */ stw %r22, -52(%sp) /* void (*rtld_fini) (void) (6th argument) */ stw %r23, -56(%sp) /* void *stack_end (7th argument) */ stw %sp, -60(%sp) /* load global */ ldil L%$global$, %dp ldo R%$global$(%dp), %dp bl __uClibc_main,%r2 nop /* die horribly if it returned (it shouldn't) */ iitlbp %r0,(%sr0,%r0) nop .procend /* Define a symbol for the first piece of initialized data. */ .data .globl __data_start __data_start: .long 0 .weak data_start data_start = __data_start