From bb368aad297fe3ad40cf397e6fc85aa471429a28 Mon Sep 17 00:00:00 2001 From: Vladimir Mezentsev Date: Fri, 11 Mar 2022 08:58:31 +0000 Subject: gprofng: a new GNU profiler top-level * Makefile.def: Add gprofng module. * configure.ac: Add --enable-gprofng option. * src-release.sh: Add gprofng. * Makefile.in: Regenerate. * configure: Regenerate. * gprofng: New directory. binutils * MAINTAINERS: Add gprofng maintainer. * README-how-to-make-a-release: Add gprofng. include. * collectorAPI.h: New file. * libcollector.h: New file. * libfcollector.h: New file. --- gprofng/src/DataStream.h | 51 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 gprofng/src/DataStream.h (limited to 'gprofng/src/DataStream.h') diff --git a/gprofng/src/DataStream.h b/gprofng/src/DataStream.h new file mode 100644 index 0000000..59ee293 --- /dev/null +++ b/gprofng/src/DataStream.h @@ -0,0 +1,51 @@ +/* Copyright (C) 2021 Free Software Foundation, Inc. + Contributed by Oracle. + + This file is part of GNU Binutils. + + 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; either version 3, or (at your option) + any later version. + + 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, write to the Free Software + Foundation, 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +#ifndef _DATASTREAM_H +#define _DATASTREAM_H + +#include "Data_window.h" + +// sequential access to the file +class DataStream : public Data_window +{ +public: + // Create an empty data window. + DataStream (char *file_name); + ~DataStream (); + void set_span (int64_t f_offset, int64_t sz); + int64_t read (void *buf, int64_t len); + + template inline int64_t + read (Key_t &val) + { + int64_t sz = read (&val, sizeof (val)); + if (need_swap_endian && sz == sizeof (val)) + swapByteOrder (&val, sizeof (val)); + return sz; + } + +private: + int64_t span_offset; + int64_t span_size; // the window size + int64_t span_fileoffset; // the window begin on the file +}; + +#endif /* _DATASTREAM_H */ -- cgit v1.1