/* * Copyright (c) 2011 Aeroflex Gaisler * * BSD license: * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ .text .global _start, main, _end _start: #ifndef _FLAT save %sp, -64, %sp #else add %sp, -72, %sp st %o7, [%sp+64] #endif /* clear the bss */ sethi %hi(__bss_start),%g2 or %g2,%lo(__bss_start),%g2 ! g2 = start of bss sethi %hi(_end),%g3 or %g3,%lo(_end),%g3 ! g3 = end of bss mov %g0,%g1 ! so std has two zeros sub %g3, %g2, %g3 zerobss: subcc %g3, 8, %g3 bge,a zerobss std %g0,[%g2+%g3] set _end, %o0 st %g0,[%o0] call bdinit2 nop call prelibchook nop call _call_initcalls /* atexit uses __atexit lock */ nop set _fini, %o0 call atexit, 1 nop call _init nop call main nop call _exit nop #ifndef _FLAT ret restore #else ld [%sp+64], %o7 retl add %sp, 72, %sp #endif .seg "data" .global .bdata .bdata: .align 8 .global _environ _environ: .word 1