mirror of
https://review.haiku-os.org/buildtools
synced 2025-02-12 08:47:41 +01:00
b58ddff026
* merged mpfr 3.0.0 and gmp 5.0.1 in buildtools trunk git-svn-id: file:///srv/svn/repos/haiku/buildtools/trunk@37378 a95241bf-73f2-0310-859d-f6bbb57e9c96
107 lines
2.9 KiB
C
107 lines
2.9 KiB
C
/* AMD64 calling conventions checking.
|
|
|
|
Copyright 2000, 2001, 2004, 2007 Free Software Foundation, Inc.
|
|
|
|
This file is part of the GNU MP Library.
|
|
|
|
The GNU MP 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 3 of the License, or (at your
|
|
option) any later version.
|
|
|
|
The GNU MP 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 MP Library. If not, see http://www.gnu.org/licenses/. */
|
|
|
|
#include <stdio.h>
|
|
#include "gmp.h"
|
|
#include "gmp-impl.h"
|
|
#include "tests.h"
|
|
|
|
|
|
/* Vector if constants and register values. We use one vector to allow access
|
|
via a base pointer, very beneficial for the PIC-enabled amd64call.asm. */
|
|
mp_limb_t calling_conventions_values[23] =
|
|
{
|
|
CNST_LIMB(0x1234567887654321), /* want_rbx */
|
|
CNST_LIMB(0x89ABCDEFFEDCBA98), /* want_rbp */
|
|
CNST_LIMB(0xDEADBEEFBADECAFE), /* want_r12 */
|
|
CNST_LIMB(0xFFEEDDCCBBAA9988), /* want_r13 */
|
|
CNST_LIMB(0x0011223344556677), /* want_r14 */
|
|
CNST_LIMB(0x1234432156788765), /* want_r15 */
|
|
|
|
CNST_LIMB(0xFEEDABBACAAFBEED), /* JUNK_RAX */
|
|
CNST_LIMB(0xAB78DE89FF5125BB), /* JUNK_R10 */
|
|
CNST_LIMB(0x1238901890189031) /* JUNK_R11 */
|
|
|
|
/* rest of array used for dynamic values. */
|
|
};
|
|
|
|
/* Index starts for various regions in above vector. */
|
|
#define WANT 0
|
|
#define JUNK 6
|
|
#define SAVE 9
|
|
#define RETADDR 15
|
|
#define VAL 16
|
|
#define RFLAGS 22
|
|
|
|
/* values to check */
|
|
struct {
|
|
int control;
|
|
int status;
|
|
int tag;
|
|
int other[4];
|
|
} calling_conventions_fenv;
|
|
|
|
|
|
char *regname[6] = {"rbx", "rbp", "r12", "r13", "r14", "r15"};
|
|
|
|
#define DIR_BIT(rflags) (((rflags) & (1<<10)) != 0)
|
|
|
|
|
|
/* Return 1 if ok, 0 if not */
|
|
|
|
int
|
|
calling_conventions_check (void)
|
|
{
|
|
const char *header = "Violated calling conventions:\n";
|
|
int ret = 1;
|
|
int i;
|
|
|
|
#define CHECK(callreg, regstr, value) \
|
|
if (callreg != value) \
|
|
{ \
|
|
printf ("%s %s got 0x%016lX want 0x%016lX\n", \
|
|
header, regstr, callreg, value); \
|
|
header = ""; \
|
|
ret = 0; \
|
|
}
|
|
|
|
for (i = 0; i < 6; i++)
|
|
{
|
|
CHECK (calling_conventions_values[VAL+i], regname[i], calling_conventions_values[WANT+i]);
|
|
}
|
|
|
|
if (DIR_BIT (calling_conventions_values[RFLAGS]) != 0)
|
|
{
|
|
printf ("%s rflags dir bit got %d want 0\n",
|
|
header, DIR_BIT (calling_conventions_values[RFLAGS]));
|
|
header = "";
|
|
ret = 0;
|
|
}
|
|
|
|
if ((calling_conventions_fenv.tag & 0xFFFF) != 0xFFFF)
|
|
{
|
|
printf ("%s fpu tags got 0x%X want 0xFFFF\n",
|
|
header, calling_conventions_fenv.tag & 0xFFFF);
|
|
header = "";
|
|
ret = 0;
|
|
}
|
|
|
|
return ret;
|
|
}
|