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Apparently I'm not good at deleting files from svn after they're no

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longer used anymore.  Get rid of a few more that fall into this category.


git-svn-id: http://gperftools.googlecode.com/svn/trunk@139 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
This commit is contained in:
csilvers 2012-02-04 00:05:39 +00:00
parent 2b2016f684
commit 0f588815f9
2 changed files with 0 additions and 188 deletions
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37
src/stacktrace_nacl-inl.h
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@ -1,37 +0,0 @@
// Copyright (c) 2011, 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: Ivan Krasin
//
// Native Client stub for stacktrace.
int GET_STACK_TRACE_OR_FRAMES {
return 0;
}

151
src/stacktrace_x86_64-inl.h
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// Copyright (c) 2005, 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: Arun Sharma
//
// Produce stack trace using libgcc
extern "C" {
#include <stdlib.h> // for NULL
#include <unwind.h> // ABI defined unwinder
#include <string.h> // for memset
}
#include "google/stacktrace.h"
typedef struct {
void **result;
int max_depth;
int skip_count;
int count;
} trace_arg_t;
// Workaround for the malloc() in _Unwind_Backtrace() issue.
static _Unwind_Reason_Code nop_backtrace(struct _Unwind_Context *uc, void *opq) {
return _URC_NO_REASON;
}
// This code is not considered ready to run until
// static initializers run so that we are guaranteed
// that any malloc-related initialization is done.
static bool ready_to_run = false;
class StackTraceInit {
public:
StackTraceInit() {
// Extra call to force initialization
_Unwind_Backtrace(nop_backtrace, NULL);
ready_to_run = true;
}
};
static StackTraceInit module_initializer; // Force initialization
static _Unwind_Reason_Code GetOneFrame(struct _Unwind_Context *uc, void *opq) {
trace_arg_t *targ = (trace_arg_t *) opq;
if (targ->skip_count > 0) {
targ->skip_count--;
} else {
targ->result[targ->count++] = (void *) _Unwind_GetIP(uc);
}
if (targ->count == targ->max_depth)
return _URC_END_OF_STACK;
return _URC_NO_REASON;
}
// If you change this function, also change GetStackFrames below.
int GetStackTrace(void** result, int max_depth, int skip_count) {
if (!ready_to_run)
return 0;
trace_arg_t targ;
skip_count += 1; // Do not include the "GetStackTrace" frame
targ.result = result;
targ.max_depth = max_depth;
targ.skip_count = skip_count;
targ.count = 0;
_Unwind_Backtrace(GetOneFrame, &targ);
return targ.count;
}
// If you change this function, also change GetStackTrace above:
//
// This GetStackFrames routine shares a lot of code with GetStackTrace
// above. This code could have been refactored into a common routine,
// and then both GetStackTrace/GetStackFrames could call that routine.
// There are two problems with that:
//
// (1) The performance of the refactored-code suffers substantially - the
// refactored needs to be able to record the stack trace when called
// from GetStackTrace, and both the stack trace and stack frame sizes,
// when called from GetStackFrames - this introduces enough new
// conditionals that GetStackTrace performance can degrade by as much
// as 50%.
//
// (2) Whether the refactored routine gets inlined into GetStackTrace and
// GetStackFrames depends on the compiler, and we can't guarantee the
// behavior either-way, even with "__attribute__ ((always_inline))"
// or "__attribute__ ((noinline))". But we need this guarantee or the
// frame counts may be off by one.
//
// Both (1) and (2) can be addressed without this code duplication, by
// clever use of template functions, and by defining GetStackTrace and
// GetStackFrames as macros that expand to these template functions.
// However, this approach comes with its own set of problems - namely,
// macros and preprocessor trouble - for example, if GetStackTrace
// and/or GetStackFrames is ever defined as a member functions in some
// class, we are in trouble.
int GetStackFrames(void** pcs, int* sizes, int max_depth, int skip_count) {
if (!ready_to_run)
return 0;
trace_arg_t targ;
skip_count += 1; // Do not include the "GetStackFrames" frame
targ.result = pcs;
targ.max_depth = max_depth;
targ.skip_count = skip_count;
targ.count = 0;
_Unwind_Backtrace(GetOneFrame, &targ);
// No implementation for finding out the stack frame sizes yet.
memset(sizes, 0, sizeof(*sizes) * targ.count);
return targ.count;
}