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BeefRT/gperftools/src/stacktrace_config.h

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+// Copyright (c) 2009, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// ---
+// Author: Paul Pluzhnikov
+//
+// Figure out which unwinder to use on a given platform.
+//
+// Defines STACKTRACE_INL_HEADER to the *-inl.h containing
+// actual unwinder implementation.
+//
+// Defines STACKTRACE_SKIP_CONTEXT_ROUTINES if a separate
+// GetStack{Trace,Frames}WithContext should not be provided.
+//
+// This header is "private" to stacktrace.cc and
+// stacktrace_with_context.cc.
+//
+// DO NOT include it into any other files.
+
+#ifndef BASE_STACKTRACE_CONFIG_H_
+#define BASE_STACKTRACE_CONFIG_H_
+
+// First, the i386 and x86_64 case.
+#if (defined(__i386__) || defined(__x86_64__)) && __GNUC__ >= 2
+# if !defined(NO_FRAME_POINTER)
+#   define STACKTRACE_INL_HEADER "stacktrace_x86-inl.h"
+#   define STACKTRACE_SKIP_CONTEXT_ROUTINES 1
+# elif defined(HAVE_LIBUNWIND_H)  // a proxy for having libunwind installed
+#   define STACKTRACE_INL_HEADER "stacktrace_libunwind-inl.h"
+#   define STACKTRACE_USES_LIBUNWIND 1
+# elif defined(__linux)
+#   error Cannnot calculate stack trace: need either libunwind or frame-pointers (see INSTALL file)
+# else
+#   error Cannnot calculate stack trace: need libunwind (see INSTALL file)
+# endif
+
+// The PowerPC case
+#elif (defined(__ppc__) || defined(__PPC__)) && __GNUC__ >= 2
+# if !defined(NO_FRAME_POINTER)
+#   define STACKTRACE_INL_HEADER "stacktrace_powerpc-inl.h"
+# else
+#   define STACKTRACE_INL_HEADER "stacktrace_generic-inl.h"
+# endif
+
+// The ARM case
+#elif defined(__arm__)  && __GNUC__ >= 2
+# if !defined(NO_FRAME_POINTER)
+#   define STACKTRACE_INL_HEADER "stacktrace_arm-inl.h"
+# else
+#   error stacktrace without frame pointer is not supported on ARM
+# endif
+
+// The Windows case -- probably cygwin and mingw will use one of the
+// x86-includes above, but if not, we can fall back to windows intrinsics.
+#elif defined(_WIN32) || defined(__CYGWIN__) || defined(__CYGWIN32__) || defined(__MINGW32__)
+# define STACKTRACE_INL_HEADER "stacktrace_win32-inl.h"
+
+#endif  // all the cases
+#endif  // BASE_STACKTRACE_CONFIG_H_