-// Copyright 2006 Google Inc. All Rights Reserved.
+// Copyright (c) 2006, 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: Satoru Takabayashi
//
// This library provides Symbolize() function that symbolizes program
#ifdef HAVE_SYMBOLIZE
-#if defined(__ELF__) // defined by gcc on Linux
+#if defined(__ELF__) // defined by gcc
+#if defined(__OpenBSD__)
+#include <sys/exec_elf.h>
+#else
#include <elf.h>
+#endif
+
+#if !defined(ANDROID)
#include <link.h> // For ElfW() macro.
+#endif
+
+// For systems where SIZEOF_VOID_P is not defined, determine it
+// based on __LP64__ (defined by gcc on 64-bit systems)
+#if !defined(SIZEOF_VOID_P)
+# if defined(__LP64__)
+# define SIZEOF_VOID_P 8
+# else
+# define SIZEOF_VOID_P 4
+# endif
+#endif
// If there is no ElfW macro, let's define it by ourself.
#ifndef ElfW
_START_GOOGLE_NAMESPACE_
+// Restrictions on the callbacks that follow:
+// - The callbacks must not use heaps but only use stacks.
+// - The callbacks must be async-signal-safe.
+
// Installs a callback function, which will be called right before a symbol name
// is printed. The callback is intended to be used for showing a file name and a
// line number preceding a symbol name.
uint64 relocation);
void InstallSymbolizeCallback(SymbolizeCallback callback);
+// Installs a callback function, which will be called instead of
+// OpenObjectFileContainingPcAndGetStartAddress. The callback is expected
+// to searches for the object file (from /proc/self/maps) that contains
+// the specified pc. If found, sets |start_address| to the start address
+// of where this object file is mapped in memory, sets the module base
+// address into |base_address|, copies the object file name into
+// |out_file_name|, and attempts to open the object file. If the object
+// file is opened successfully, returns the file descriptor. Otherwise,
+// returns -1. |out_file_name_size| is the size of the file name buffer
+// (including the null-terminator).
+typedef int (*SymbolizeOpenObjectFileCallback)(uint64_t pc,
+ uint64_t &start_address,
+ uint64_t &base_address,
+ char *out_file_name,
+ int out_file_name_size);
+void InstallSymbolizeOpenObjectFileCallback(
+ SymbolizeOpenObjectFileCallback callback);
+
_END_GOOGLE_NAMESPACE_
#endif
projects / platform / upstream / glog.git / blobdiff