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Diffstat (limited to 'security/sandbox/chromium/base/compiler_specific.h')
| -rw-r--r-- | security/sandbox/chromium/base/compiler_specific.h | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/security/sandbox/chromium/base/compiler_specific.h b/security/sandbox/chromium/base/compiler_specific.h deleted file mode 100644 index 339e9b74e..000000000 --- a/security/sandbox/chromium/base/compiler_specific.h +++ /dev/null @@ -1,190 +0,0 @@ -// Copyright (c) 2012 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -#ifndef BASE_COMPILER_SPECIFIC_H_ -#define BASE_COMPILER_SPECIFIC_H_ - -#include "build/build_config.h" - -#if defined(COMPILER_MSVC) - -// For _Printf_format_string_. -#include <sal.h> - -// Macros for suppressing and disabling warnings on MSVC. -// -// Warning numbers are enumerated at: -// http://msdn.microsoft.com/en-us/library/8x5x43k7(VS.80).aspx -// -// The warning pragma: -// http://msdn.microsoft.com/en-us/library/2c8f766e(VS.80).aspx -// -// Using __pragma instead of #pragma inside macros: -// http://msdn.microsoft.com/en-us/library/d9x1s805.aspx - -// MSVC_SUPPRESS_WARNING disables warning |n| for the remainder of the line and -// for the next line of the source file. -#define MSVC_SUPPRESS_WARNING(n) __pragma(warning(suppress:n)) - -// MSVC_PUSH_DISABLE_WARNING pushes |n| onto a stack of warnings to be disabled. -// The warning remains disabled until popped by MSVC_POP_WARNING. -#define MSVC_PUSH_DISABLE_WARNING(n) __pragma(warning(push)) \ - __pragma(warning(disable:n)) - -// MSVC_PUSH_WARNING_LEVEL pushes |n| as the global warning level. The level -// remains in effect until popped by MSVC_POP_WARNING(). Use 0 to disable all -// warnings. -#define MSVC_PUSH_WARNING_LEVEL(n) __pragma(warning(push, n)) - -// Pop effects of innermost MSVC_PUSH_* macro. -#define MSVC_POP_WARNING() __pragma(warning(pop)) - -#define MSVC_DISABLE_OPTIMIZE() __pragma(optimize("", off)) -#define MSVC_ENABLE_OPTIMIZE() __pragma(optimize("", on)) - -// Allows exporting a class that inherits from a non-exported base class. -// This uses suppress instead of push/pop because the delimiter after the -// declaration (either "," or "{") has to be placed before the pop macro. -// -// Example usage: -// class EXPORT_API Foo : NON_EXPORTED_BASE(public Bar) { -// -// MSVC Compiler warning C4275: -// non dll-interface class 'Bar' used as base for dll-interface class 'Foo'. -// Note that this is intended to be used only when no access to the base class' -// static data is done through derived classes or inline methods. For more info, -// see http://msdn.microsoft.com/en-us/library/3tdb471s(VS.80).aspx -#define NON_EXPORTED_BASE(code) MSVC_SUPPRESS_WARNING(4275) \ - code - -#else // Not MSVC - -#define _Printf_format_string_ -#define MSVC_SUPPRESS_WARNING(n) -#define MSVC_PUSH_DISABLE_WARNING(n) -#define MSVC_PUSH_WARNING_LEVEL(n) -#define MSVC_POP_WARNING() -#define MSVC_DISABLE_OPTIMIZE() -#define MSVC_ENABLE_OPTIMIZE() -#define NON_EXPORTED_BASE(code) code - -#endif // COMPILER_MSVC - - -// Annotate a variable indicating it's ok if the variable is not used. -// (Typically used to silence a compiler warning when the assignment -// is important for some other reason.) -// Use like: -// int x = ...; -// ALLOW_UNUSED_LOCAL(x); -#define ALLOW_UNUSED_LOCAL(x) false ? (void)x : (void)0 - -// Annotate a typedef or function indicating it's ok if it's not used. -// Use like: -// typedef Foo Bar ALLOW_UNUSED_TYPE; -#if defined(COMPILER_GCC) || defined(__clang__) -#define ALLOW_UNUSED_TYPE __attribute__((unused)) -#else -#define ALLOW_UNUSED_TYPE -#endif - -// Annotate a function indicating it should not be inlined. -// Use like: -// NOINLINE void DoStuff() { ... } -#if defined(COMPILER_GCC) -#define NOINLINE __attribute__((noinline)) -#elif defined(COMPILER_MSVC) -#define NOINLINE __declspec(noinline) -#else -#define NOINLINE -#endif - -// Specify memory alignment for structs, classes, etc. -// Use like: -// class ALIGNAS(16) MyClass { ... } -// ALIGNAS(16) int array[4]; -#if defined(COMPILER_MSVC) -#define ALIGNAS(byte_alignment) __declspec(align(byte_alignment)) -#elif defined(COMPILER_GCC) -#define ALIGNAS(byte_alignment) __attribute__((aligned(byte_alignment))) -#endif - -// Return the byte alignment of the given type (available at compile time). -// Use like: -// ALIGNOF(int32_t) // this would be 4 -#if defined(COMPILER_MSVC) -#define ALIGNOF(type) __alignof(type) -#elif defined(COMPILER_GCC) -#define ALIGNOF(type) __alignof__(type) -#endif - -// Annotate a function indicating the caller must examine the return value. -// Use like: -// int foo() WARN_UNUSED_RESULT; -// To explicitly ignore a result, see |ignore_result()| in base/macros.h. -#undef WARN_UNUSED_RESULT -#if defined(COMPILER_GCC) || defined(__clang__) -#define WARN_UNUSED_RESULT __attribute__((warn_unused_result)) -#else -#define WARN_UNUSED_RESULT -#endif - -// Tell the compiler a function is using a printf-style format string. -// |format_param| is the one-based index of the format string parameter; -// |dots_param| is the one-based index of the "..." parameter. -// For v*printf functions (which take a va_list), pass 0 for dots_param. -// (This is undocumented but matches what the system C headers do.) -#if defined(COMPILER_GCC) -#define PRINTF_FORMAT(format_param, dots_param) \ - __attribute__((format(printf, format_param, dots_param))) -#else -#define PRINTF_FORMAT(format_param, dots_param) -#endif - -// WPRINTF_FORMAT is the same, but for wide format strings. -// This doesn't appear to yet be implemented in any compiler. -// See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38308 . -#define WPRINTF_FORMAT(format_param, dots_param) -// If available, it would look like: -// __attribute__((format(wprintf, format_param, dots_param))) - -// MemorySanitizer annotations. -#if defined(MEMORY_SANITIZER) && !defined(OS_NACL) -#include <sanitizer/msan_interface.h> - -// Mark a memory region fully initialized. -// Use this to annotate code that deliberately reads uninitialized data, for -// example a GC scavenging root set pointers from the stack. -#define MSAN_UNPOISON(p, size) __msan_unpoison(p, size) - -// Check a memory region for initializedness, as if it was being used here. -// If any bits are uninitialized, crash with an MSan report. -// Use this to sanitize data which MSan won't be able to track, e.g. before -// passing data to another process via shared memory. -#define MSAN_CHECK_MEM_IS_INITIALIZED(p, size) \ - __msan_check_mem_is_initialized(p, size) -#else // MEMORY_SANITIZER -#define MSAN_UNPOISON(p, size) -#define MSAN_CHECK_MEM_IS_INITIALIZED(p, size) -#endif // MEMORY_SANITIZER - -// Macro useful for writing cross-platform function pointers. -#if !defined(CDECL) -#if defined(OS_WIN) -#define CDECL __cdecl -#else // defined(OS_WIN) -#define CDECL -#endif // defined(OS_WIN) -#endif // !defined(CDECL) - -// Macro for hinting that an expression is likely to be false. -#if !defined(UNLIKELY) -#if defined(COMPILER_GCC) -#define UNLIKELY(x) __builtin_expect(!!(x), 0) -#else -#define UNLIKELY(x) (x) -#endif // defined(COMPILER_GCC) -#endif // !defined(UNLIKELY) - -#endif // BASE_COMPILER_SPECIFIC_H_ |