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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:17:27 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:17:27 +0000
commitf215e02bf85f68d3a6106c2a1f4f7f063f819064 (patch)
tree6bb5b92c046312c4e95ac2620b10ddf482d3fa8b /src/VBox/Runtime/include/internal/compiler-vcc.h
parentInitial commit. (diff)
downloadvirtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.tar.xz
virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.zip
Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Runtime/include/internal/compiler-vcc.h')
-rw-r--r--src/VBox/Runtime/include/internal/compiler-vcc.h155
1 files changed, 155 insertions, 0 deletions
diff --git a/src/VBox/Runtime/include/internal/compiler-vcc.h b/src/VBox/Runtime/include/internal/compiler-vcc.h
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+/* $Id: compiler-vcc.h $ */
+/** @file
+ * IPRT - Internal header for the Visual C++ Compiler Support Code.
+ */
+
+/*
+ * Copyright (C) 2022-2023 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_INTERNAL_compiler_vcc_h
+#define IPRT_INCLUDED_INTERNAL_compiler_vcc_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <iprt/types.h>
+
+/** @name Special sections.
+ * @{
+ */
+
+#ifdef IPRT_COMPILER_VCC_WITH_C_INIT_TERM_SECTIONS
+# pragma section(".CRT$XIA", read, long) /* start C initializers */
+# pragma section(".CRT$XIAA", read, long)
+# pragma section(".CRT$XIZ", read, long)
+
+# pragma section(".CRT$XPA", read, long) /* start early C terminators */
+# pragma section(".CRT$XPAA", read, long)
+# pragma section(".CRT$XPZ", read, long)
+
+# pragma section(".CRT$XTA", read, long) /* start C terminators */
+# pragma section(".CRT$XTAA", read, long)
+# pragma section(".CRT$XTZ", read, long)
+# define IPRT_COMPILER_TERM_CALLBACK(a_fn) \
+ __declspec(allocate(".CRT$XTAA")) PFNRT RT_CONCAT(g_rtVccTermCallback_, a_fn) = a_fn
+#endif
+
+#ifdef IPRT_COMPILER_VCC_WITH_CPP_INIT_SECTIONS
+# pragma warning(disable:5247) /* warning C5247: section '.CRT$XCA' is reserved for C++ dynamic initialization. Manually creating the section will interfere with C++ dynamic initialization and may lead to undefined behavior */
+# pragma warning(disable:5248) /* warning C5248: section '.CRT$XCA' is reserved for C++ dynamic initialization. Variables manually put into the section may be optimized out and their order relative to compiler generated dynamic initializers is unspecified */
+# pragma section(".CRT$XCA", read, long) /* start C++ initializers */
+# pragma section(".CRT$XCAA", read, long)
+# pragma section(".CRT$XCZ", read, long)
+#endif
+
+#ifdef IPRT_COMPILER_VCC_WITH_RTC_INIT_TERM_SECTIONS
+# pragma section(".rtc$IAA", read, long) /* start RTC initializers */
+# pragma section(".rtc$IZZ", read, long)
+
+# pragma section(".rtc$TAA", read, long) /* start RTC terminators */
+# pragma section(".rtc$TZZ", read, long)
+#endif
+
+#ifdef IPRT_COMPILER_VCC_WITH_TLS_CALLBACK_SECTIONS
+# pragma section(".CRT$XLA", read, long) /* start TLS callback */
+# pragma section(".CRT$XLAA", read, long)
+# pragma section(".CRT$XLZ", read, long)
+
+/** @todo what about .CRT$XDA? Dynamic TLS initializers. */
+#endif
+
+#ifdef IPRT_COMPILER_VCC_WITH_TLS_DATA_SECTIONS
+# pragma section(".tls", read, long) /* start TLS callback */
+# pragma section(".tls$ZZZ", read, long)
+
+/** @todo what about .CRT$XDA? Dynamic TLS initializers. */
+#endif
+
+/** @} */
+
+
+RT_C_DECLS_BEGIN
+
+extern unsigned _fltused;
+
+void rtVccInitSecurityCookie(void) RT_NOEXCEPT;
+void rtVccWinInitBssOnNt3(void *pvImageBase) RT_NOEXCEPT;
+void rtVccWinInitProcExecPath(void) RT_NOEXCEPT;
+int rtVccInitializersRunInit(void) RT_NOEXCEPT;
+void rtVccInitializersRunTerm(void) RT_NOEXCEPT;
+void rtVccTermRunAtExit(void) RT_NOEXCEPT;
+
+struct _CONTEXT;
+void rtVccCheckContextFailed(struct _CONTEXT *pCpuCtx);
+
+#ifdef _CONTROL_FLOW_GUARD
+DECLASM(void) __guard_check_icall_nop(uintptr_t); /**< nocrt-guard-win.asm */
+#endif
+extern uintptr_t __guard_check_icall_fptr; /**< nocrt-guard-win.asm */
+
+RT_C_DECLS_END
+
+
+/**
+ * Checks if CFG is currently active.
+ *
+ * This requires CFG to be enabled at compile time, supported by the host OS
+ * version and activated by the module loader.
+ *
+ * @returns true if CFG is active, false if not.
+ */
+DECLINLINE(bool) rtVccIsGuardICallChecksActive(void)
+{
+#ifdef _CONTROL_FLOW_GUARD
+ return __guard_check_icall_fptr != (uintptr_t)__guard_check_icall_nop;
+#else
+ return false;
+#endif
+}
+
+
+#ifdef IPRT_INCLUDED_nt_nt_h
+/**
+ * Checks if a pointer is on the officially registered stack or not.
+ *
+ * @returns true if on the official stack, false if not.
+ * @param uStackPtr The pointer to check.
+ */
+DECLINLINE(bool) rtVccIsPointerOnTheStack(uintptr_t uStackPtr)
+{
+ PNT_TIB const pTib = (PNT_TIB)RTNtCurrentTeb();
+ return uStackPtr <= (uintptr_t)pTib->StackBase
+ && uStackPtr >= (uintptr_t)pTib->StackLimit;
+}
+#endif
+
+#endif /* !IPRT_INCLUDED_INTERNAL_compiler_vcc_h */
+