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Annotation of OpenXM_contrib/gmp/mpn/tests/x86call.asm, Revision 1.1

1.1     ! maekawa     1: dnl  x86 calling conventions checking.
        !             2:
        !             3: dnl  Copyright (C) 2000 Free Software Foundation, Inc.
        !             4: dnl
        !             5: dnl  This file is part of the GNU MP Library.
        !             6: dnl
        !             7: dnl  The GNU MP Library is free software; you can redistribute it and/or
        !             8: dnl  modify it under the terms of the GNU Lesser General Public License as
        !             9: dnl  published by the Free Software Foundation; either version 2.1 of the
        !            10: dnl  License, or (at your option) any later version.
        !            11: dnl
        !            12: dnl  The GNU MP Library is distributed in the hope that it will be useful,
        !            13: dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            14: dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
        !            15: dnl  Lesser General Public License for more details.
        !            16: dnl
        !            17: dnl  You should have received a copy of the GNU Lesser General Public
        !            18: dnl  License along with the GNU MP Library; see the file COPYING.LIB.  If
        !            19: dnl  not, write to the Free Software Foundation, Inc., 59 Temple Place -
        !            20: dnl  Suite 330, Boston, MA 02111-1307, USA.
        !            21:
        !            22:
        !            23: include(`../config.m4')
        !            24:
        !            25:
        !            26: C int calling_conventions (...);
        !            27: C
        !            28: C The global variable "calling_conventions_function" is the function to
        !            29: C call, with the arguments as passed here.
        !            30: C
        !            31: C Perhaps the finit should be done only if the tags word isn't clear, but
        !            32: C nothing uses the rounding mode or anything at the moment.
        !            33:
        !            34: define(G,
        !            35: m4_assert_numargs(1)
        !            36: `GSYM_PREFIX`'$1')
        !            37:
        !            38:        .text
        !            39:        ALIGN(8)
        !            40: PROLOGUE(calling_conventions)
        !            41:        movl    (%esp), %eax
        !            42:        movl    %eax, G(calling_conventions_retaddr)
        !            43:
        !            44:        movl    $L(return), (%esp)
        !            45:
        !            46:        movl    %ebx, G(calling_conventions_save_ebx)
        !            47:        movl    %esi, G(calling_conventions_save_esi)
        !            48:        movl    %edi, G(calling_conventions_save_edi)
        !            49:        movl    %ebp, G(calling_conventions_save_ebp)
        !            50:
        !            51:        movl    $0x01234567, %ebx
        !            52:        movl    $0x89ABCDEF, %esi
        !            53:        movl    $0xFEDCBA98, %edi
        !            54:        movl    $0x76543210, %ebp
        !            55:
        !            56:        C try to provoke a problem by starting with junk in the registers,
        !            57:        C especially in %eax and %edx which will be return values
        !            58:        movl    $0x70246135, %eax
        !            59:        movl    $0x8ACE9BDF, %ecx
        !            60:        movl    $0xFDB97531, %edx
        !            61:
        !            62:        jmp     *G(calling_conventions_function)
        !            63:
        !            64: L(return):
        !            65:        movl    %ebx, G(calling_conventions_ebx)
        !            66:        movl    %esi, G(calling_conventions_esi)
        !            67:        movl    %edi, G(calling_conventions_edi)
        !            68:        movl    %ebp, G(calling_conventions_ebp)
        !            69:
        !            70:        pushf
        !            71:        popl    %ebx
        !            72:        movl    %ebx, G(calling_conventions_eflags)
        !            73:
        !            74:        fstenv  G(calling_conventions_fenv)
        !            75:        finit
        !            76:
        !            77:        movl    G(calling_conventions_save_ebx), %ebx
        !            78:        movl    G(calling_conventions_save_esi), %esi
        !            79:        movl    G(calling_conventions_save_edi), %edi
        !            80:        movl    G(calling_conventions_save_ebp), %ebp
        !            81:
        !            82:        jmp     *G(calling_conventions_retaddr)
        !            83:
        !            84: EPILOGUE()
        !            85: