Annotation of OpenXM_contrib/gmp/mpn/tests/x86check.c, Revision 1.1
1.1 ! maekawa 1: /* x86 calling conventions checking. */
! 2:
! 3: /*
! 4: Copyright (C) 2000 Free Software Foundation, Inc.
! 5:
! 6: This file is part of the GNU MP Library.
! 7:
! 8: The GNU MP Library is free software; you can redistribute it and/or modify
! 9: it under the terms of the GNU Lesser General Public License as published by
! 10: the Free Software Foundation; either version 2.1 of the License, or (at your
! 11: option) any later version.
! 12:
! 13: The GNU MP Library is distributed in the hope that it will be useful, but
! 14: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
! 15: or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
! 16: License for more details.
! 17:
! 18: You should have received a copy of the GNU Lesser General Public License
! 19: along with the GNU MP Library; see the file COPYING.LIB. If not, write to
! 20: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
! 21: MA 02111-1307, USA.
! 22: */
! 23:
! 24: #include <stdio.h>
! 25: #include "gmp.h"
! 26: #include "gmp-impl.h"
! 27: #include "try.h"
! 28:
! 29:
! 30: /* function to call */
! 31: tryfun_t calling_conventions_function;
! 32:
! 33: /* temporaries */
! 34: int calling_conventions_save_ebx;
! 35: int calling_conventions_save_esi;
! 36: int calling_conventions_save_edi;
! 37: int calling_conventions_save_ebp;
! 38: int calling_conventions_retaddr;
! 39: int calling_conventions_retval;
! 40:
! 41: /* values to check */
! 42: struct {
! 43: unsigned control;
! 44: unsigned status;
! 45: unsigned tag;
! 46: unsigned other[4];
! 47: } calling_conventions_fenv;
! 48: int calling_conventions_ebx;
! 49: int calling_conventions_esi;
! 50: int calling_conventions_edi;
! 51: int calling_conventions_ebp;
! 52: int calling_conventions_eflags;
! 53:
! 54: /* expected values, as per x86call.asm */
! 55: #define VALUE_EBX 0x01234567
! 56: #define VALUE_ESI 0x89ABCDEF
! 57: #define VALUE_EDI 0xFEDCBA98
! 58: #define VALUE_EBP 0x76543210
! 59:
! 60: #define DIR_BIT(eflags) (((eflags) & (1<<10)) != 0)
! 61:
! 62:
! 63: /* Return 1 if ok, 0 if not */
! 64:
! 65: int
! 66: calling_conventions_check (void)
! 67: {
! 68: const char *header = "Violated calling conventions:\n";
! 69: int ret = 1;
! 70:
! 71: #define CHECK(callreg, regstr, value) \
! 72: if (callreg != value) \
! 73: { \
! 74: printf ("%s %s got 0x%08X want 0x%08X\n", \
! 75: header, regstr, callreg, value); \
! 76: header = ""; \
! 77: ret = 0; \
! 78: }
! 79:
! 80: CHECK (calling_conventions_ebx, "ebx", VALUE_EBX);
! 81: CHECK (calling_conventions_esi, "esi", VALUE_ESI);
! 82: CHECK (calling_conventions_edi, "edi", VALUE_EDI);
! 83: CHECK (calling_conventions_ebp, "ebp", VALUE_EBP);
! 84:
! 85: if (DIR_BIT (calling_conventions_eflags) != 0)
! 86: {
! 87: printf ("%s eflags dir bit got %d want 0\n",
! 88: header, DIR_BIT (calling_conventions_eflags));
! 89: header = "";
! 90: ret = 0;
! 91: }
! 92:
! 93: if ((calling_conventions_fenv.tag & 0xFFFF) != 0xFFFF)
! 94: {
! 95: printf ("%s fpu tags got 0x%X want 0xFFFF\n",
! 96: header, calling_conventions_fenv.tag & 0xFFFF);
! 97: header = "";
! 98: ret = 0;
! 99: }
! 100:
! 101: return ret;
! 102: }
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