/* 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. 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)