/* Copyright (C) 2001 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ .file "start.s" .toc T.lsd: .tc __libc_start_data[tc], __libc_start_data[rw] T.main: .tc main[tc], main[rw] T.init: .tc __libc_start_init[tc], __libc_start_init[rw] T.fini: .tc __libc_start_fini[tc], __libc_start_init[rw] T.rtld_fini : .tc __libc_start_rtld_fini[tc], __libc_start_rtld_fini[rw] .globl __start .globl .__start .globl __libc_start_data .extern .__libc_start_main .extern .main .extern main .extern __libc_start_init .extern __libc_start_fini .extern __libc_start_rtld_fini /* Text */ .csect __start[ds] __start: .long .__start, TOC[tc0], 0 .csect .text[pr] .__start: /* No prologue needed, __start does not have to follow the ABI. Input from kernel/loader r1 : stack r2 : TOC r3 : argc r4 : argv r5 : envp r28 : data origin r29 : text origin r30 : module count r31 : default processing flag If r31 == r30, no special processing is needed, ie r28, r29 & r30 are not used Save input in __libc_start_data */ l 16, T.lsd(2) st 1, 0(16) /* stack */ st 2, 4(16) /* toc */ st 3, 8(16) /* argc */ st 4, 12(16) /* argv */ st 5, 16(16) /* envp */ st 28, 20(16) /* data origin */ st 29, 24(16) /* text origin */ st 30, 28(16) /* module count */ st 31, 32(16) /* special */ /* Call __libc_start_main() */ bl .__libc_start_main nop /* No epilog needed, __start does not have to follow the ABI */ /* Trace back */ TB.__start: .long 0x0 .long 0xc2040 .long 0x0 .long TB.__start - .__start .short 7 .byte "__start" .byte 0,0,0 /* Data __libc_start_data Space to keep libc initialization information */ .csect __libc_start_data[rw] __libc_start_data: /* For kernel/loader input args */ .space 36 /* Externs */ .long main init: .long __libc_start_init fini: .long __libc_start_fini rtld_fini: .long __libc_start_rtld_fini .space 0x1000 + (4 + rtld_fini - __libc_start_data)