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Topic: Binary File Descriptor


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BFD
GNU

In the News (Thu 31 Dec 09)

  
  Binary File Descriptor - Wikipedia, the free encyclopedia
The Binary File Descriptor library, most commonly seen as just BFD, is the GNU Project's main mechanism for the portable manipulation of object files in a variety of formats.
Internally, BFD translates the data from the abstract view into the details of the bit/byte layout required by the target processor and file format.
This became the library name, and "Binary File Descriptor" was invented later as the meaning of the letters.
en.wikipedia.org /wiki/Binary_File_Descriptor   (299 words)

  
 How to Generate NetCDF Descriptor Files
The syntax of the descriptor file used with xdfopen is not exactly the same as that used in a descriptor file for gridded binary data -- see the documentation page for further details.
Five separate descriptor files are required to describe all the variables: one for the velocity components u and v, another for velocity component w, a third for potential temperature, a fourth for wind stress components taux and tauy, and a fifth for surface variables hflx, sflx, and eta.
First, here is a sample descriptor file to get the native grid point longitude and latitude values -- note that no PDEF statement is included and the XDEF and YDEF statements do not map to longitude and latitude, they are simply used as abstract grid increments.
grads.iges.org /grads/gadoc/SDFdescriptorfile.html   (1826 words)

  
 LIB BFD, the Binary File Descriptor Library
BFD is split into two parts: the front end, and the back ends (one for each object file format).
One spur behind BFD was the desire, on the part of the GNU 960 team at Intel Oregon, for interoperability of applications on their COFF and b.out file formats.
The general rule is to not close a BFD until all operations dependent upon data from the BFD have been completed, or all the data from within the file has been copied.
www.cs.utah.edu /dept/old/texinfo/bfd/bfd.html   (598 words)

  
 LIB BFD, the Binary File Descriptor Library - Introduction
BFD is a package which allows applications to use the same routines to operate on object files whatever the object file format.
Each BFD back end is responsible for maintaining as much data as possible, and the internal BFD canonical form has structures which are opaque to the BFD core, and exported only to the back ends.
Each canonical BFD relocation record contains a pointer to the symbol to relocate to, the offset of the data to relocate, the section the data is in, and a pointer to a relocation type descriptor.
www.linuxselfhelp.com /gnu/bfd/html_chapter/bfd_1.html   (1628 words)

  
 GDB Internals - Binary File Descriptor Library Support for GDB   (Site not responding. Last check: 2007-10-20)
BFD will identify a variety of file types, including a.out, coff, and several variants thereof, as well as several kinds of core files.
BFD parses the file headers to determine the names, virtual addresses, sizes, and file locations of all the various named sections in files (such as the text section or the data section).
BFD provides routines to determine the failing command name stored in a core file, the signal with which the program failed, and whether a core file matches (i.e.
www.csupomona.edu /reference/gnu/gdb-4.16/gdbint_13.html   (202 words)

  
 GrADS Data Descriptor File
Although HDF-SDS files are self-describing and may be read automatically using the sdfopen/xdfopen commands, this DTYPE gives you the option of overriding the file's own metadata and creating a descriptor file for some or all of the variables in the file.
Although NetCDF files are self-describing and may be read automatically using the sdfopen/xdfopen commands, this DTYPE gives you the option of overriding the file's own metadata and creating a descriptor file for some or all of the variables in the file.
This facilitates moving data files and their descriptor files between machines; the data may be used on any type of hardware without having to worry about byte ordering.
grads.iges.org /grads/gadoc/descriptorfile.html   (4341 words)

  
 [No title]
Normally all the files involved in a link will be of the same format, but it is also possible to link together different format object files, and the back end must support that.
It is possible that most of the externally visible symbols may be written out when considering the symbols of each input file, but it is still necessary to traverse the hash table since the linker script may have defined some symbols that are not in any of the input files.
One derivation file is `aoutf1.h' (for a.out flavour 1), and adds to the basic a.out functions support for sun3, sun4, 386 and 29k a.out files, to create a target jump vector for a specific target.
software.cfht.hawaii.edu /~neo/info.gnu/bfd.info-4   (5412 words)

  
 Object file - Wikipedia, the free encyclopedia
An object file format is a computer file format used for the storage of object code and related data typically produced by a compiler or assembler.
The design and/or choice of an object file format is a key part of overall system design; it affects the performance of the linker and thus programmer turnaround while developing, and if the format is used for executables, the design also affects the time programs take to begin running, and thus the responsiveness for users.
Most object file formats are structured as blocks of data all of the same sort; these blocks can be paged in as needed by the virtual memory system, needing no further processing to be ready to use.
en.wikipedia.org /wiki/Object_file   (445 words)

  
 The GNU Binary Utilities
An archive is a single file holding a collection of other files in a structure that makes it possible to retrieve the original individual files (called members of the archive).
The original files' contents, mode (permissions), timestamp, owner, and group are preserved in the archive, and can be restored on extraction.
Precede each symbol by the name of the input file (or archive element) in which it was found, rather than identifying the input file once only, before all of its symbols.
www.myri.com /scs/L3/doc/binutils.html   (3618 words)

  
 LIB BFD, the Binary File Descriptor Library
BFD tries to maintain as much symbol information as it can when it moves information from file to file.
BFD maintains relocations in much the same way it maintains symbols: they are left alone until required, then read in en-mass and translated into an internal form.
The LINKAGE relocation outputs a linkage pair in the object file, which is filled by the linker.
www.gnu.org /software/binutils/manual/bfd-2.9.1/html_mono/bfd.html   (11031 words)

  
 gnu Binary Utilities   (Site not responding. Last check: 2007-10-20)
Precede each symbol by the name of the input file (or archive member) in which it was found, rather than identifying the input file once only, before all of its symbols.
File segments may be relocated to nonstandard addresses, for example by using the @option{-Ttext}, @option{-Tdata}, or @option{-Tbss} options to @command{ld}.
This is a binary file and it can be created by giving the @option{-e} option to @command{dlltool} when it is creating or reading in a.def file.
www.eecs.tulane.edu /www/system/gnu/binutils.html   (14178 words)

  
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8 This file is part of BFD, the Binary File Descriptor library.
12 This file is part of BFD, the Binary File Descriptor library.
15 This file is part of BFD, the Binary File Descriptor library.
cvs.opensolaris.org /source/s?defs=bfd   (588 words)

  
 Untitled Document - typedef bfd
Using BFD consists of making references though the BFD and to data in the BFD.
It contains the major data about the file and pointers to the rest of the data.
Their correct types, to which they are cast when used, are "FILE *" and "time_t".
www.math.utah.edu /docs/info/bfd_1.html   (441 words)

  
 LIB BFD, the Binary File Descriptor Library
to indicate the file sections to which each section must be written.
These BFDs can be manipulated like any other.
BFD uses various mechanisms to determine how to interpret the file.
www.astro.uni-bonn.de /~webstw/cm/gnu/bfd.html   (11001 words)

  
 BFD can refer to Binary File Descriptor Binary File Descriptor...   (Site not responding. Last check: 2007-10-20)
BFD can refer to Binary File Descriptor Binary File Descriptor...
Binary File Descriptor Binary File Descriptor, GNU GNU's main mechanism for the portable manipulation of object files in a variety of formats.
Binary Format Description language Binary Format Description language, an XML XML dialect based on XSIL XSIL.
www.biodatabase.de /BFD   (90 words)

  
 LIB BFD, the Binary File Descriptor Library - Sections   (Site not responding. Last check: 2007-10-20)
The raw data contained within a BFD is maintained through the section abstraction.
A single BFD may have any number of sections.
It keeps hold of them by pointing to the first; each one points to the next in the list.
theoryx5.uwinnipeg.ca /gnu/binutils/bfd_10.html   (72 words)

  
 Online Software Documentation
There are two different formats, one is a single large HTML file suitable for printing.
The other is meant for browsing and is broken up into multiple files so the pages load quickly.
Binary Utilities 2001-08-23 Snapshot - GNU Profiler (gprof):
web.umr.edu /~gnudoc   (122 words)

  
 GNU Binutils Binary File Descriptor Library Integer Overflow Vulnerability
The GNU Binutils Binary File Descriptor Library is prone to an integer overflow vulnerability.
This vulnerability manifests when a tool that is linked to the affected library is used to process a malicious binary.
If a binary is sufficient to trigger the issue, attacker-supplied code may be executed in the context of the user that is running the vulnerable utility.
www.securityfocus.com /bid/13830/discuss   (94 words)

  
 Koders Search: Grossman   (Site not responding. Last check: 2007-10-20)
Converted to back-end form by Ian Lance Taylor, Cygnus Support This file is part of BFD, the Binary File Descriptor library.
/* BFD back end for Lynx core files Copyright 1993, 1994, 1995, 2001, 2002 Free Software Foundation, Inc. Written by Stu Grossman of Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
www.koders.com /?s=Grossman   (1205 words)

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