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Portable Executable - Wikipedia, the free encyclopedia The Portable Executable (PE) format is an executable file format used in 32-bit and 64-bit versions of Windows operating systems. For example, PE/COFF headers still include an MS-DOS executable program, which is by default a stub that displays the simple message "This program cannot be run in DOS mode" (or similar). PEBrowse a Portable Executable (Win32) file viewer/dissection utility en.wikipedia.org /wiki/Portable_Executable   (581 words)

Executable Program Structure The compiler or the assembler is the program that translates source code into machine instructions.After your program is compiled, the resulting object code must be put in a form that the operating system can load as an executable program. An executable program is a file that, like any other file, consists of an array of bytes. The function executes, and when it completes, the parameters are popped off the stack, and the return address is popped. home.olemiss.edu /~fmathew/csci223/classnotes_9_exestruct.htm   (581 words)

f77.html Execution of an executable program begins with the execution of the first executable statement of the main program. Execution of a function reference or a CALL statement is not considered a transfer of control in the program unit that contains the reference, except when control is returned to a statement identified by an alternate return specifier in a CALL statement. Within a program unit, the subscript value depends on the values of the subscript expressions in the subscript and on the dimensions of the array specified in the array declarator for the array in the program unit. www.atmos.umd.edu /~helper/Tutorials/f77.html   (581 words)

executable - a Whatis.com definition - see also: execute, execution An executable is a file that contains a program - that is, a particular kind of file that is capable of being executed or run as a program in the computer. Execution is the process of running a program or the carrying out of the operation called for by an instruction. In computers, to execute a program is to run the program in the computer, and, by implication, to start it to run. searchsmb.techtarget.com /sDefinition/0,,sid44_gci212086,00.html   (581 words)

Patent 5640567: Apparatus and method for software system management using second-order logic executing said system construction commands on said computer system to form a set of intermediate object code files that are used to generate an executable program from said set of existing source code program files. A computer readable memory storing a first set of instructions that are executed by a computer to form a tool controller which interacts with a plurality of compilers, linkers, and source code program files to transform said source code program files into an executable program, comprising: The second-order system model defines a set of existing program files, the second-order rule set defines a set of operations that can be performed on the existing program files, and the second-order operation module specifies an operation to be executed by the secondorder rule set on the set of existing program files. www.freepatentsonline.com /5640567.html   (581 words)

Patent 5659752: System and method for improving branch prediction in compiled program code The branch statistics are used to modify the executable program to cause branch prediction to be correct a majority of the time for the workload against which the program was run. computer readable program code means for causing a computer to modify said executable program by setting a branch prediction indicator to reverse the hardware branch prediction of individual conditional branches so that branches are correctly predicted based on said optimal branch prediction. The optimized branch prediction data is fed back to the second phase of the compiler during recompilation of the program code where it is used to optimize the code to produce an optimized executable code module 20. www.freepatentsonline.com /5659752.html   (581 words)

goldvision.com - Apache / Apache 1.3 Dynamic Shared Object (DSO) support Symbols in the executable program are usually not referenced by the DSO (because it's a reusable library of general code) and hence no further resolving has to be done. The executable program has no need to do anything on its own to use the symbols from the DSO because the complete resolving is done by the Unix loader. Because "reverse resolving" DSO symbols from the executable program's symbol set is against the library design (where the library has no knowledge about the programs it is used by) and is neither available under all platforms nor standardized. www.goldvision.com /gb/en/manuals/apache/dso.html   (581 words)

pixie - add profiling code to an executable file Specify the suffix to be appended to the pixified executable and DSO. Default: -autopixie for an executable; -noautopixie for a DSO. Default: the architecture of the input executable will be maintained. archive.ncsa.uiuc.edu /SCD/Perf/Tuning/Tips/pixie.html   (581 words)

Portable Executable Loaders and Wrappers The Portable Executable file format, the format used for executables in such enviroments as OS/2 and Win32, is fairly well documented by Microsoft, but what isn't well documented is what the operating system does with the contents of the file when actually loading an executable. When an executable (this includes DLLs) is loaded into memory, it is not simply copied into memory and executed, there are a number of steps the operating system takes to load the image correctly and set up things in that memory image before it jumps to the code in that image. The loader adds the difference between where the executable expected to be loaded to and where it actually was loaded to to each address in the executable's memory so that they will again point to the correct area in memory. www.cultdeadcow.com /tools/pewrap.html   (1297 words)

Making Portable Unix-based Executables Portable executables in this context are executables compiled from source code on one machine, which can then be transferred to and run on another machine. An executable which is linked against a static library is referred to here as a statically-linked executable and includes a copy of the code that it requires from that library inside itself - so at runtime the required code is always available to the executable. A totally portable executable is one which is not dynamically linked to any of the libraries that it depends on. www.ccp4.ac.uk /peter/programming/making-portable-executables.html   (1071 words)

exewarn.txt Unless the program is very short, and its operation is thoroughly analysed, it is impractical or impossible to determine the dangers posed by an executable program simply by analysing it or running it under a debugger. By sending executable programs to friends, and suggesting they run it, you are making it more likely to accept when someone they may or may not know sends them an executable program. An executable program has complete control of the computer it runs on and so can cause immense damage and unlimited security breaches. www.firstpr.com.au /security/exewarn.txt   (1071 words)

Modern Architectural Directions for Secure Downloaded Executable Content Executable portability, meaning that a Java program (or applet) is portable not only in source code but also in compiled binary code, was therefore one of the major design goals of Java. Until then, downloaded executable content was considered to be untrusted, unless it was downloaded from the file system of the local disk. The two languages we described seem to have an edge over other programming languages for portable mobile code in terms of security since they both make it possible to create environments where applets with different levels of trustworthiness can be executed with an acceptable level of risk. www.spinellis.gr /pubs/jrnl/1998-InetRes-ExeSec/html/exesec.htm   (5834 words)

Inside Windows: An In-Depth Look into the Win32 Portable Executable File Format, Part 2 -- MSDN Magazine, March 2002 When an executable is built with debug information, it's customary to include details about the format of the information and where it is. The operating system doesn't require this to run the executable, but it's useful for development tools. Executables produced for the Microsoft.NET environment are first and foremost PE files. SUMMARY The Win32 Portable Executable File Format (PE) was designed to be a standard executable format for use on all versions of the operating systems on all supported processors. msdn.microsoft.com /msdnmag/issues/02/03/PE2/default.aspx   (5273 words)

Preferred Executable Format PEF executables are also called Code Fragment Manager files (CFM). The Preferred Executable Format is a file format that specifies the format of executable files and other object code. In Mac OS X, the Mach-O file format is the native executable format. encyclopedia.codeboy.net /wikipedia/p/pr/preferred_executable_format.html   (5273 words)

Portable Executable and Object File Format Specification An image file can be thought of as a "memory image." The term "image file" is usually used instead of "executable file," because the latter sometimes is taken to mean only a.EXE file. The data for each section is located at the file offset given by the PointerToRawData field in the section header, and the size of this data in the file is indicated by the SizeOfRawData field. Image files contain an optional "debug directory" indicating what form of debug information is present and where it is. This directory consists of an array of "debug directory entries" whose location and sizes are indicated in the image optional header. elfz.laacz.lv /ms_exe_spec.html   (5273 words)

File Viruses File worms are, in a sense, a modification of companion viruses, but unlike them they do not connect their presence with any executable file. This virus can be copied to the unused parts of the address relocation table of a DOS EXE file (see "BootExe") or to the header of New EXE file ("Win95.Murkry"), to the stack area of COMMAND.COM ("Lehigh") or to the character string area of some of the popular compilers ("NMSG"). This data may be the file size, several leading bytes of the file in case of a COM file, or several bytes of the header in case of the EXE file. www.avp.ch /avpve/classes/filevirs.stm   (5273 words)

Help: Executable Files & File Searches Files with executable extensions are executed by starting the associated application, and passing the name of the file on the command line. If the command processor cannot find an executable file, batch program, or a file with an executable extension or Windows file association in the current directory, a directory in the search path, or the directory you specified in the command, it then looks for an alias called UNKNOWN_CMD (see the ALIAS command for details). You can change the list of extensions that are considered "executable", and the order in which they are searched, with the PATHEXT environment variable, and the related PathExt directive in the.INI file. www.jpsoft.com /help/exesearch.htm   (5273 words)

Executable file To execute a file in MS-DOS and numerous other command line operating systems type the name of the executable file and press enter. Unlike a data file, a executable file cannot generally be read because it has been compiled. On a IBM compatible computer common executable files are.BAT,.COM,.EXE, and.BIN. www.xmission.com /~comphope/jargon/e/execfile.htm   (5273 words)

Chapter 8. Executable formats Various sections within the executable file have to start on page aligned boundaries, and as a result, holes must be present in memory that are not present in the disk image. We'll begin our investigation into executable formats by looking at the ELF binary specification and related tools, and then move on to examine the PE binary specification, and related tools for dealing with those binaries. The program code lies in between the program headers and the section headers. www.acm.uiuc.edu /sigmil/RevEng/ch08.html   (5273 words)

Executable Program If you are trying to run a program & it does not do what you expect then you may well believe that executing the program is the best thing to do - it will make you feel better. This refers to a computer program that can actually be run on the PC. This process of converting is called compiling the program. www.users.bigpond.com /jenkos/GEXECUTA.htm   (5273 words)

EEL: An Executable Editing Library EEL (Executable Editing Library) is a new C++ library that hides much of the complexity and system-specific detail of editing executables. Executable editing is widely used for three purposes: emulation, observation, and optimization. EEL provides abstractions that allow a tool to analyze and modify executable programs without being concerned with particular instruction sets, executable file formats, or consequences of deleting existing code and adding foreign code. www.cs.wisc.edu /~larus/eel.html   (5273 words)

4 From Source Code to Executable - this is the Ada program you typed in. If there is a problem with your program, TIA will show you the line number, the position on the line, and an error message describing the problem. If there is a problem with your program, gnatmake will show you the line number, the position on the line, and an error message describing the problem. www.oopweb.com /Ada/Documents/AdaLinux/Volume/4.html   (5273 words)

CSC The file is compiled into a executable program with either an interactive command line or by using the make program development environment. This is often not useful in program development, however, because it is not always necessary to compile all of the program files again. If the program is forced to fill in errors with a error search program, all of the optimization should be deleted from the compilation. www.csc.fi /cschelp/kaytto/kaantaja.html.en   (5273 words)

Discovering code and data in a binary executable program (US6014513) (d) reiteratively processing addresses in the binary executable software program that have not yet been identified as being for code portions and for data portions, by repeating steps (b) and (c), to identify other code portions and data portions in the binary executable software program until no further code portions and data portions are identifiable. The entry addresses for each executable module and any addresses for code portions and data portions referenced and identified by any debug address, any export address, and any relocation address is added to the set of addresses. In general, an executable file has no structure or meaning, except as determined by its behavior when dynamically executed, one instruction at a time, by a digital computer. www.delphion.com /details?pn=US06014513__   (5273 words)

Executable-File Header Format The segmented executable format extensions also begin with a header that describes the contents and location of the executable image in the file. The purpose of the segmented executable format is to provide the information needed to support the dynamic linking and segmentation capabilities of the Windows environment. The old-style header may contain a valid executable program, called a stub program, that will be executed if the program is run on MS-DOS (without Windows). support.microsoft.com /default.aspx?scid=kb;EN-US;q65122   (5273 words)

Program Types Because executable programs are written procedurally, they cannot reach the same overall level of object oriented construction in the way that object scripts can. When using the Pandora Engine in executable programs it is highly recommended that you link to the main library (also known as the object kernel) at run-time. Before you begin developing your first program for the Pandora Engine, it is important to recognise that there are a number of ways that you can go about this depending on the type of program that you are going to write. www.rocklyte.com /pandora/manual/general/program_types.html   (5273 words)

CS554A: Organization of Computer Programs If we have both source and executable files, it is possible to navigate through the executable and execute it step by step or source line by source line, with the aid of the line numbers section in the executable file. The structure of the executable file is important because it describes to the Operating System all the different components of the executable program. If the library routines are linked into the program's executable file, the code and data that are used by the program become an integral part of the code and data sections of the executable program. www.rivier.edu /faculty/amoreira/web/cs554a/Tut1   (5273 words)

No Title Executable metadata may be useful as an incremental approach to achieving some of the benefits of object-oriented architectures for scientific data access, visualization, and analysis. The georeferencing prototype described here provides information about the location of data in a portable executable form, as an array of bytes that can be reconstituted into a Java object that implements the georeferencing functionality needed by applications. If a georeferencing scheme can be implemented in software, it can be encapsulated in executable metadata representing a georeferencing class. www.unidata.ucar.edu /staff/russ/MapGeoGrid/ams98.html   (2212 words)

Viruslist.com - Executable files An executable file is a program in binary code that is ready to be run by the computer without any further human intervention. Windows Portable Executable (PE) files are simply executable files that work across all Microsoft 32-bit operating systems, which is why the majority of malware for Windows written today is written in this format. In Unix, executable files are marked with a special permission flag in the file attributes. www.viruslist.com /en/viruses/glossary?glossid=153595408   (107 words)

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