Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 219 insertions, 0 deletions

diff --git a/include/iprt/nocrt/x86/fenv-x86-amd64.h b/include/iprt/nocrt/x86/fenv-x86-amd64.h
new file mode 100644
index 00000000..55199ab8
--- /dev/null
+++ b/include/iprt/nocrt/x86/fenv-x86-amd64.h
@@ -0,0 +1,219 @@
+/** @file
+ * IPRT / No-CRT - x86 & AMD64 fenv.h.
+ */
+
+/*
+ * Copyright (C) 2022 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+#ifndef IPRT_INCLUDED_nocrt_x86_fenv_x86_amd64_h
+#define IPRT_INCLUDED_nocrt_x86_fenv_x86_amd64_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <iprt/types.h>
+
+typedef struct RTNOCRTFENV
+{
+    /** The FPU environment. */
+    union
+    {
+        uint32_t        au32[28/4];
+#ifdef IPRT_INCLUDED_x86_h
+        X86FSTENV32P    Env;
+#endif
+    } fpu;
+    /** The SSE control & status register. */
+    uint32_t            fMxCsr;
+} RTNOCRTFENV;
+
+/** Exception flags/mask. */
+typedef uint16_t RTNOCRTFEXCEPT;
+
+#ifndef IPRT_NOCRT_WITHOUT_CONFLICTING_TYPES
+typedef RTNOCRTFENV     fenv_t;
+typedef RTNOCRTFEXCEPT  fexcept_t;
+#endif
+
+/** @name Exception flags (same as X86_FCW_xM, X86_FSW_xE, X86_MXCSR_xE)
+ * @note The X86_FSW_SF is not covered here as it is more of a sub-type of
+ *       invalid operand exception, and it is not part of MXCSR.
+ * @{ */
+#define RT_NOCRT_FE_INVALID      0x0001
+#define RT_NOCRT_FE_DENORMAL     0x0002
+#define RT_NOCRT_FE_DIVBYZERO    0x0004
+#define RT_NOCRT_FE_OVERFLOW     0x0008
+#define RT_NOCRT_FE_UNDERFLOW    0x0010
+#define RT_NOCRT_FE_INEXACT      0x0020
+#define RT_NOCRT_FE_ALL_EXCEPT   0x003f
+#ifndef IPRT_NOCRT_WITHOUT_MATH_CONSTANTS
+# define FE_INVALID              RT_NOCRT_FE_INVALID
+# define FE_DENORMAL             RT_NOCRT_FE_DENORMAL
+# define FE_DIVBYZERO            RT_NOCRT_FE_DIVBYZERO
+# define FE_OVERFLOW             RT_NOCRT_FE_OVERFLOW
+# define FE_UNDERFLOW            RT_NOCRT_FE_UNDERFLOW
+# define FE_INEXACT              RT_NOCRT_FE_INEXACT
+# define FE_ALL_EXCEPT           RT_NOCRT_FE_ALL_EXCEPT
+#endif
+/** @} */
+
+/** @name Rounding Modes (same X86_FCW_RC_XXX)
+ * @{ */
+#define RT_NOCRT_FE_TONEAREST    0x0000
+#define RT_NOCRT_FE_DOWNWARD     0x0400
+#define RT_NOCRT_FE_UPWARD       0x0800
+#define RT_NOCRT_FE_TOWARDZERO   0x0c00
+#define RT_NOCRT_FE_ROUND_MASK   0x0c00
+#ifndef IPRT_NOCRT_WITHOUT_MATH_CONSTANTS
+# define FE_TONEAREST            RT_NOCRT_FE_TONEAREST
+# define FE_DOWNWARD             RT_NOCRT_FE_DOWNWARD
+# define FE_UPWARD               RT_NOCRT_FE_UPWARD
+# define FE_TOWARDZERO           RT_NOCRT_FE_TOWARDZERO
+#endif
+/** @} */
+
+
+/** @name x87 Precision (same X86_FCW_PC_XXX)
+ * @{ */
+#define RT_NOCRT_PC_FLOAT        0x0000
+#define RT_NOCRT_PC_RSVD         0x0100
+#define RT_NOCRT_PC_DOUBLE       0x0200
+#define RT_NOCRT_PC_EXTENDED     0x0300
+#define RT_NOCRT_PC_MASK         0x0300
+/** @} */
+
+
+/** @name Special environment pointer values.
+ * @note Only valid with fesetenv and feupdateenv.
+ * @note Defined as constants in fesetenv.asm.
+ * @{ */
+/** The default FPU+SSE environment set, all exceptions disabled (masked). */
+#define RT_NOCRT_FE_DFL_ENV     ((RTNOCRTFENV const *)(intptr_t)1)
+/** The default FPU+SSE environment set, but all exceptions enabled (unmasked)
+ *  except for RT_NOCRT_FE_DENORMAL. */
+#define RT_NOCRT_FE_NOMASK_ENV  ((RTNOCRTFENV const *)(intptr_t)2)
+/** The default FPU+SSE environment set, all exceptions disabled (masked),
+ *  double precision (53 bit mantissa). */
+#define RT_NOCRT_FE_PC53_ENV    ((RTNOCRTFENV const *)(intptr_t)3)
+/** The default FPU+SSE environment set, all exceptions disabled (masked),
+ *  extended double precision (64 bit mantissa). */
+#define RT_NOCRT_FE_PC64_ENV    ((RTNOCRTFENV const *)(intptr_t)4)
+#ifndef IPRT_NOCRT_WITHOUT_MATH_CONSTANTS
+# define FE_DFL_ENV              RT_NOCRT_FE_DFL_ENV
+# define FE_NOMASK_ENV           RT_NOCRT_FE_NOMASK_ENV
+# define FE_PC53_ENV             RT_NOCRT_FE_PC53_ENV
+# define FE_PC64_ENV             RT_NOCRT_FE_PC64_ENV
+#endif
+/** @} */
+
+RT_C_DECLS_BEGIN
+
+int     RT_NOCRT(fegetenv)(RTNOCRTFENV *);
+int     RT_NOCRT(fesetenv)(RTNOCRTFENV const *);
+int     RT_NOCRT(feholdexcept)(RTNOCRTFENV *);
+int     RT_NOCRT(feupdateenv)(RTNOCRTFENV const *);
+
+int     RT_NOCRT(fegetround)(void);
+int     RT_NOCRT(fesetround)(int);
+
+int     RT_NOCRT(fegetexcept)(void);
+int     RT_NOCRT(feenableexcept)(int);
+int     RT_NOCRT(fedisableexcept)(int);
+
+int     RT_NOCRT(feclearexcept)(int);
+int     RT_NOCRT(fetestexcept)(int);
+int     RT_NOCRT(fegetexceptflag)(RTNOCRTFEXCEPT *, int);
+int     RT_NOCRT(fesetexceptflag)(RTNOCRTFEXCEPT const *, int);
+
+int     RT_NOCRT(feraiseexcept)(int);
+
+/* IPRT addition:  */
+int     RT_NOCRT(fegetx87precision)(void);
+int     RT_NOCRT(fesetx87precision)(int);
+
+/* Underscored variants: */
+int     RT_NOCRT(_fegetenv)(RTNOCRTFENV *);
+int     RT_NOCRT(_fesetenv)(RTNOCRTFENV const *);
+int     RT_NOCRT(_feholdexcept)(RTNOCRTFENV *);
+int     RT_NOCRT(_feupdateenv)(RTNOCRTFENV const *);
+
+int     RT_NOCRT(_fegetround)(void);
+int     RT_NOCRT(_fesetround)(int);
+
+int     RT_NOCRT(_fegetexcept)(void);
+int     RT_NOCRT(_feenableexcept)(int);
+int     RT_NOCRT(_fedisableexcept)(int);
+
+int     RT_NOCRT(_feclearexcept)(int);
+int     RT_NOCRT(_fetestexcept)(int);
+int     RT_NOCRT(_fegetexceptflag)(RTNOCRTFEXCEPT *, int);
+int     RT_NOCRT(_fesetexceptflag)(RTNOCRTFEXCEPT const *, int);
+
+int     RT_NOCRT(_feraiseexcept)(int);
+
+/* Aliases: */
+#if !defined(RT_WITHOUT_NOCRT_WRAPPERS) && !defined(RT_WITHOUT_NOCRT_WRAPPER_ALIASES)
+# define fegetenv           RT_NOCRT(fegetenv)
+# define fesetenv           RT_NOCRT(fesetenv)
+# define feholdexcept       RT_NOCRT(feholdexcept)
+# define feupdateenv        RT_NOCRT(feupdateenv)
+# define fegetround         RT_NOCRT(fegetround)
+# define fesetround         RT_NOCRT(fesetround)
+# define fegetexcept        RT_NOCRT(fegetexcept)
+# define feenableexcept     RT_NOCRT(feenableexcept)
+# define fedisableexcept    RT_NOCRT(fedisableexcept)
+# define feclearexcept      RT_NOCRT(feclearexcept)
+# define fetestexcept       RT_NOCRT(fetestexcept)
+# define fegetexceptflag    RT_NOCRT(fegetexceptflag)
+# define fesetexceptflag    RT_NOCRT(fesetexceptflag)
+# define feraiseexcept      RT_NOCRT(feraiseexcept)
+
+/* Underscored variants: */
+# define _fegetenv          RT_NOCRT(fegetenv)
+# define _fesetenv          RT_NOCRT(fesetenv)
+# define _feholdexcept      RT_NOCRT(feholdexcept)
+# define _feupdateenv       RT_NOCRT(feupdateenv)
+# define _fegetround        RT_NOCRT(fegetround)
+# define _fesetround        RT_NOCRT(fesetround)
+# define _fegetexcept       RT_NOCRT(fegetexcept)
+# define _feenableexcept    RT_NOCRT(feenableexcept)
+# define _fedisableexcept   RT_NOCRT(fedisableexcept)
+# define _feclearexcept     RT_NOCRT(feclearexcept)
+# define _fetestexcept      RT_NOCRT(fetestexcept)
+# define _fegetexceptflag   RT_NOCRT(fegetexceptflag)
+# define _fesetexceptflag   RT_NOCRT(fesetexceptflag)
+# define _feraiseexcept     RT_NOCRT(feraiseexcept)
+#endif
+
+RT_C_DECLS_END
+
+#endif /* !IPRT_INCLUDED_nocrt_x86_fenv_x86_amd64_h */
+