1/* ARM32 calling conventions checking. 2 3Copyright 2000, 2001, 2004, 2007 Free Software Foundation, Inc. 4 5This file is part of the GNU MP Library test suite. 6 7The GNU MP Library test suite is free software; you can redistribute it 8and/or modify it under the terms of the GNU General Public License as 9published by the Free Software Foundation; either version 3 of the License, 10or (at your option) any later version. 11 12The GNU MP Library test suite is distributed in the hope that it will be 13useful, but WITHOUT ANY WARRANTY; without even the implied warranty of 14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General 15Public License for more details. 16 17You should have received a copy of the GNU General Public License along with 18the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */ 19 20#include <stdio.h> 21#include "gmp-impl.h" 22#include "tests.h" 23 24 25/* Vector if constants and register values. */ 26mp_limb_t calling_conventions_values[29] = 27{ 28 0x12345678, /* 0 want_r4 */ 29 0x87654321, /* 1 want_r5 */ 30 0x89ABCDEF, /* 2 want_r6 */ 31 0xFEDCBA98, /* 3 want_r7 */ 32 0xDEADBEEF, /* 4 want_r8 */ 33 0xBADECAFE, /* 5 want_r9 */ 34 0xFFEEDDCC, /* 6 want_r10 */ 35 0xBBAA9988, /* 7 want_r11 */ 36 37 0x00000000, /* 8 save_r4 */ 38 0x00000000, /* 9 save_r5 */ 39 0x00000000, /* 10 save_r6 */ 40 0x00000000, /* 11 save_r7 */ 41 0x00000000, /* 12 save_r8 */ 42 0x00000000, /* 13 save_r9 */ 43 0x00000000, /* 14 save_r10 */ 44 0x00000000, /* 15 save_r11 */ 45 0x00000000, /* 16 save_r14 */ 46 47 0x00000000, /* 17 got_r4 */ 48 0x00000000, /* 18 got_r5 */ 49 0x00000000, /* 19 got_r6 */ 50 0x00000000, /* 20 got_r7 */ 51 0x00000000, /* 21 got_r8 */ 52 0x00000000, /* 22 got_r9 */ 53 0x00000000, /* 23 got_r10 */ 54 0x00000000, /* 24 got_r11 */ 55 56 0x00112233, /* 25 junk_r0 */ 57 0x44556677, /* 26 junk_r1 */ 58 0x12344321, /* 27 junk_r2 */ 59 0x56788765, /* 28 junk_r3 */ 60}; 61 62/* Index starts for various regions in above vector. */ 63#define WANT_CALLEE_SAVES 0 64#define SAVE_CALLEE_SAVES 8 65#define RETADDR 16 66#define GOT_CALLEE_SAVES 17 67#define JUNK_PARAMS 25 68 69/* Return 1 if ok, 0 if not */ 70 71int 72calling_conventions_check (void) 73{ 74 const char *header = "Violated calling conventions:\n"; 75 int ret = 1; 76 int i; 77 78#define CHECK(callreg, regnum, value) \ 79 if (callreg != value) \ 80 { \ 81 printf ("%s r%d got 0x%08lX want 0x%08lX\n", \ 82 header, regnum, callreg, value); \ 83 header = ""; \ 84 ret = 0; \ 85 } 86 87 for (i = 0; i < 8; i++) 88 { 89 CHECK (calling_conventions_values[GOT_CALLEE_SAVES + i], 90 i + 4, 91 calling_conventions_values[WANT_CALLEE_SAVES + i]); 92 } 93 94 return ret; 95} 96