/* Startup code for Alpha/ELF. Copyright (C) 1993,1995,1996,1997,1998,2000,2001 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson <rth@tamu.edu> 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. */ #include <features.h> #include <asm/regdef.h> .text .global _start .ent _start,0 .type _start,%function #if defined(__UCLIBC_CTOR_DTOR__) .type _init,%function .type _fini,%function #else .weak _init .weak _fini #endif .type __uClibc_main,%function /* Stick in a dummy reference to main(), so that if an application * is linking when the main() function is in a static library (.a) * we can be sure that main() actually gets linked in */ .type main,%function _start: .frame $15, 0, $15 br gp, 1f 1: ldgp gp, 0(gp) subq sp, 16, sp mov 0, $15 .prologue 0 /* Load address of the user's main function. */ lda a0, main ldl a1, 16(sp) /* get argc */ lda a2, 24(sp) /* get argv */ /* Load address of our own entry points to .fini and .init. */ lda a3, _init lda a4, _fini /* Store address of the shared library termination function. */ mov v0, a5 /* Provide the highest stack address to the user code. */ stq sp, 0(sp) /* Call the user's main function, and exit with its value. * But let the libc call main. */ jsr ra, __uClibc_main /* Die very horribly if exit returns. Call_pal hlt is callable from * kernel mode only; this will result in an illegal instruction trap. */ call_pal 0 .end _start /* Define a symbol for the first piece of initialized data. */ .data .global __data_start __data_start: .long 0 .weak data_start data_start = __data_start