96 lines
2.6 KiB
C
96 lines
2.6 KiB
C
/* ARM32 calling conventions checking.
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Copyright 2000, 2001, 2004, 2007 Free Software Foundation, Inc.
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This file is part of the GNU MP Library test suite.
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The GNU MP Library test suite is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 3 of the License,
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or (at your option) any later version.
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The GNU MP Library test suite is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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Public License for more details.
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You should have received a copy of the GNU General Public License along with
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the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */
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#include <stdio.h>
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#include "gmp-impl.h"
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#include "tests.h"
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/* Vector if constants and register values. */
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mp_limb_t calling_conventions_values[29] =
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{
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0x12345678, /* 0 want_r4 */
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0x87654321, /* 1 want_r5 */
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0x89ABCDEF, /* 2 want_r6 */
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0xFEDCBA98, /* 3 want_r7 */
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0xDEADBEEF, /* 4 want_r8 */
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0xBADECAFE, /* 5 want_r9 */
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0xFFEEDDCC, /* 6 want_r10 */
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0xBBAA9988, /* 7 want_r11 */
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0x00000000, /* 8 save_r4 */
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0x00000000, /* 9 save_r5 */
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0x00000000, /* 10 save_r6 */
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0x00000000, /* 11 save_r7 */
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0x00000000, /* 12 save_r8 */
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0x00000000, /* 13 save_r9 */
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0x00000000, /* 14 save_r10 */
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0x00000000, /* 15 save_r11 */
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0x00000000, /* 16 save_r14 */
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0x00000000, /* 17 got_r4 */
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0x00000000, /* 18 got_r5 */
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0x00000000, /* 19 got_r6 */
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0x00000000, /* 20 got_r7 */
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0x00000000, /* 21 got_r8 */
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0x00000000, /* 22 got_r9 */
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0x00000000, /* 23 got_r10 */
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0x00000000, /* 24 got_r11 */
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0x00112233, /* 25 junk_r0 */
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0x44556677, /* 26 junk_r1 */
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0x12344321, /* 27 junk_r2 */
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0x56788765, /* 28 junk_r3 */
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};
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/* Index starts for various regions in above vector. */
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#define WANT_CALLEE_SAVES 0
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#define SAVE_CALLEE_SAVES 8
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#define RETADDR 16
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#define GOT_CALLEE_SAVES 17
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#define JUNK_PARAMS 25
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/* Return 1 if ok, 0 if not */
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int
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calling_conventions_check (void)
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{
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const char *header = "Violated calling conventions:\n";
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int ret = 1;
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int i;
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#define CHECK(callreg, regnum, value) \
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if (callreg != value) \
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{ \
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printf ("%s r%d got 0x%08lX want 0x%08lX\n", \
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header, regnum, callreg, value); \
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header = ""; \
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ret = 0; \
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}
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for (i = 0; i < 8; i++)
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{
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CHECK (calling_conventions_values[GOT_CALLEE_SAVES + i],
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i + 4,
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calling_conventions_values[WANT_CALLEE_SAVES + i]);
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}
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return ret;
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}
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