This is binutils.info, produced by makeinfo version 4.8 from binutils.texi. Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License". INFO-DIR-SECTION Software development START-INFO-DIR-ENTRY * Binutils: (binutils). The GNU binary utilities. END-INFO-DIR-ENTRY INFO-DIR-SECTION Individual utilities START-INFO-DIR-ENTRY * addr2line: (binutils)addr2line. Convert addresses to file and line. * ar: (binutils)ar. Create, modify, and extract from archives. * c++filt: (binutils)c++filt. Filter to demangle encoded C++ symbols. * cxxfilt: (binutils)c++filt. MS-DOS name for c++filt. * dlltool: (binutils)dlltool. Create files needed to build and use DLLs. * nlmconv: (binutils)nlmconv. Converts object code into an NLM. * nm: (binutils)nm. List symbols from object files. * objcopy: (binutils)objcopy. Copy and translate object files. * objdump: (binutils)objdump. Display information from object files. * ranlib: (binutils)ranlib. Generate index to archive contents. * readelf: (binutils)readelf. Display the contents of ELF format files. * size: (binutils)size. List section sizes and total size. * strings: (binutils)strings. List printable strings from files. * strip: (binutils)strip. Discard symbols. * windmc: (binutils)windmc. Generator for Windows message resources. * windres: (binutils)windres. Manipulate Windows resources. END-INFO-DIR-ENTRY  File: binutils.info, Node: Top, Next: ar, Up: (dir) Introduction ************ This brief manual contains documentation for the GNU binary utilities (GNU Binutils) version 2.18.90: This document is distributed under the terms of the GNU Free Documentation License. A copy of the license is included in the section entitled "GNU Free Documentation License". * Menu: * ar:: Create, modify, and extract from archives * nm:: List symbols from object files * objcopy:: Copy and translate object files * objdump:: Display information from object files * ranlib:: Generate index to archive contents * readelf:: Display the contents of ELF format files * size:: List section sizes and total size * strings:: List printable strings from files * strip:: Discard symbols * c++filt:: Filter to demangle encoded C++ symbols * cxxfilt: c++filt. MS-DOS name for c++filt * addr2line:: Convert addresses to file and line * nlmconv:: Converts object code into an NLM * windres:: Manipulate Windows resources * windmc:: Generator for Windows message resources * dlltool:: Create files needed to build and use DLLs * Common Options:: Command-line options for all utilities * Selecting the Target System:: How these utilities determine the target * Reporting Bugs:: Reporting Bugs * GNU Free Documentation License:: GNU Free Documentation License * Binutils Index:: Binutils Index  File: binutils.info, Node: ar, Next: nm, Prev: Top, Up: Top 1 ar **** ar [-]P[MOD [RELPOS] [COUNT]] ARCHIVE [MEMBER...] ar -M [ '), and continues executing even after errors. If you redirect standard input to a script file, no prompts are issued, and `ar' abandons execution (with a nonzero exit code) on any error. The `ar' command language is _not_ designed to be equivalent to the command-line options; in fact, it provides somewhat less control over archives. The only purpose of the command language is to ease the transition to GNU `ar' for developers who already have scripts written for the MRI "librarian" program. The syntax for the `ar' command language is straightforward: * commands are recognized in upper or lower case; for example, `LIST' is the same as `list'. In the following descriptions, commands are shown in upper case for clarity. * a single command may appear on each line; it is the first word on the line. * empty lines are allowed, and have no effect. * comments are allowed; text after either of the characters `*' or `;' is ignored. * Whenever you use a list of names as part of the argument to an `ar' command, you can separate the individual names with either commas or blanks. Commas are shown in the explanations below, for clarity. * `+' is used as a line continuation character; if `+' appears at the end of a line, the text on the following line is considered part of the current command. Here are the commands you can use in `ar' scripts, or when using `ar' interactively. Three of them have special significance: `OPEN' or `CREATE' specify a "current archive", which is a temporary file required for most of the other commands. `SAVE' commits the changes so far specified by the script. Prior to `SAVE', commands affect only the temporary copy of the current archive. `ADDLIB ARCHIVE' `ADDLIB ARCHIVE (MODULE, MODULE, ... MODULE)' Add all the contents of ARCHIVE (or, if specified, each named MODULE from ARCHIVE) to the current archive. Requires prior use of `OPEN' or `CREATE'. `ADDMOD MEMBER, MEMBER, ... MEMBER' Add each named MEMBER as a module in the current archive. Requires prior use of `OPEN' or `CREATE'. `CLEAR' Discard the contents of the current archive, canceling the effect of any operations since the last `SAVE'. May be executed (with no effect) even if no current archive is specified. `CREATE ARCHIVE' Creates an archive, and makes it the current archive (required for many other commands). The new archive is created with a temporary name; it is not actually saved as ARCHIVE until you use `SAVE'. You can overwrite existing archives; similarly, the contents of any existing file named ARCHIVE will not be destroyed until `SAVE'. `DELETE MODULE, MODULE, ... MODULE' Delete each listed MODULE from the current archive; equivalent to `ar -d ARCHIVE MODULE ... MODULE'. Requires prior use of `OPEN' or `CREATE'. `DIRECTORY ARCHIVE (MODULE, ... MODULE)' `DIRECTORY ARCHIVE (MODULE, ... MODULE) OUTPUTFILE' List each named MODULE present in ARCHIVE. The separate command `VERBOSE' specifies the form of the output: when verbose output is off, output is like that of `ar -t ARCHIVE MODULE...'. When verbose output is on, the listing is like `ar -tv ARCHIVE MODULE...'. Output normally goes to the standard output stream; however, if you specify OUTPUTFILE as a final argument, `ar' directs the output to that file. `END' Exit from `ar', with a `0' exit code to indicate successful completion. This command does not save the output file; if you have changed the current archive since the last `SAVE' command, those changes are lost. `EXTRACT MODULE, MODULE, ... MODULE' Extract each named MODULE from the current archive, writing them into the current directory as separate files. Equivalent to `ar -x ARCHIVE MODULE...'. Requires prior use of `OPEN' or `CREATE'. `LIST' Display full contents of the current archive, in "verbose" style regardless of the state of `VERBOSE'. The effect is like `ar tv ARCHIVE'. (This single command is a GNU `ar' enhancement, rather than present for MRI compatibility.) Requires prior use of `OPEN' or `CREATE'. `OPEN ARCHIVE' Opens an existing archive for use as the current archive (required for many other commands). Any changes as the result of subsequent commands will not actually affect ARCHIVE until you next use `SAVE'. `REPLACE MODULE, MODULE, ... MODULE' In the current archive, replace each existing MODULE (named in the `REPLACE' arguments) from files in the current working directory. To execute this command without errors, both the file, and the module in the current archive, must exist. Requires prior use of `OPEN' or `CREATE'. `VERBOSE' Toggle an internal flag governing the output from `DIRECTORY'. When the flag is on, `DIRECTORY' output matches output from `ar -tv '.... `SAVE' Commit your changes to the current archive, and actually save it as a file with the name specified in the last `CREATE' or `OPEN' command. Requires prior use of `OPEN' or `CREATE'.  File: binutils.info, Node: nm, Next: objcopy, Prev: ar, Up: Top 2 nm **** nm [`-a'|`--debug-syms'] [`-g'|`--extern-only'] [`-B'] [`-C'|`--demangle'[=STYLE]] [`-D'|`--dynamic'] [`-S'|`--print-size'] [`-s'|`--print-armap'] [`-A'|`-o'|`--print-file-name'][`--special-syms'] [`-n'|`-v'|`--numeric-sort'] [`-p'|`--no-sort'] [`-r'|`--reverse-sort'] [`--size-sort'] [`-u'|`--undefined-only'] [`-t' RADIX|`--radix='RADIX] [`-P'|`--portability'] [`--target='BFDNAME] [`-f'FORMAT|`--format='FORMAT] [`--defined-only'] [`-l'|`--line-numbers'] [`--no-demangle'] [`-V'|`--version'] [`-X 32_64'] [`--help'] [OBJFILE...] GNU `nm' lists the symbols from object files OBJFILE.... If no object files are listed as arguments, `nm' assumes the file `a.out'. For each symbol, `nm' shows: * The symbol value, in the radix selected by options (see below), or hexadecimal by default. * The symbol type. At least the following types are used; others are, as well, depending on the object file format. If lowercase, the symbol is local; if uppercase, the symbol is global (external). `A' The symbol's value is absolute, and will not be changed by further linking. `B' `b' The symbol is in the uninitialized data section (known as BSS). `C' The symbol is common. Common symbols are uninitialized data. When linking, multiple common symbols may appear with the same name. If the symbol is defined anywhere, the common symbols are treated as undefined references. For more details on common symbols, see the discussion of -warn-common in *Note Linker options: (ld.info)Options. `D' `d' The symbol is in the initialized data section. `G' `g' The symbol is in an initialized data section for small objects. Some object file formats permit more efficient access to small data objects, such as a global int variable as opposed to a large global array. `I' The symbol is an indirect reference to another symbol. This is a GNU extension to the a.out object file format which is rarely used. `i' The symbol is in a section specific to the implementation of DLLs. `N' The symbol is a debugging symbol. `p' The symbols is in a stack unwind section. `R' `r' The symbol is in a read only data section. `S' `s' The symbol is in an uninitialized data section for small objects. `T' `t' The symbol is in the text (code) section. `U' The symbol is undefined. `V' `v' The symbol is a weak object. When a weak defined symbol is linked with a normal defined symbol, the normal defined symbol is used with no error. When a weak undefined symbol is linked and the symbol is not defined, the value of the weak symbol becomes zero with no error. On some systems, uppercase indicates that a default value has been specified. `W' `w' The symbol is a weak symbol that has not been specifically tagged as a weak object symbol. When a weak defined symbol is linked with a normal defined symbol, the normal defined symbol is used with no error. When a weak undefined symbol is linked and the symbol is not defined, the value of the symbol is determined in a system-specific manner without error. On some systems, uppercase indicates that a default value has been specified. `-' The symbol is a stabs symbol in an a.out object file. In this case, the next values printed are the stabs other field, the stabs desc field, and the stab type. Stabs symbols are used to hold debugging information. For more information, see *Note Stabs: (stabs.info)Top. `?' The symbol type is unknown, or object file format specific. * The symbol name. The long and short forms of options, shown here as alternatives, are equivalent. `-A' `-o' `--print-file-name' 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. `-a' `--debug-syms' Display all symbols, even debugger-only symbols; normally these are not listed. `-B' The same as `--format=bsd' (for compatibility with the MIPS `nm'). `-C' `--demangle[=STYLE]' Decode ("demangle") low-level symbol names into user-level names. Besides removing any initial underscore prepended by the system, this makes C++ function names readable. Different compilers have different mangling styles. The optional demangling style argument can be used to choose an appropriate demangling style for your compiler. *Note c++filt::, for more information on demangling. `--no-demangle' Do not demangle low-level symbol names. This is the default. `-D' `--dynamic' Display the dynamic symbols rather than the normal symbols. This is only meaningful for dynamic objects, such as certain types of shared libraries. `-f FORMAT' `--format=FORMAT' Use the output format FORMAT, which can be `bsd', `sysv', or `posix'. The default is `bsd'. Only the first character of FORMAT is significant; it can be either upper or lower case. `-g' `--extern-only' Display only external symbols. `-l' `--line-numbers' For each symbol, use debugging information to try to find a filename and line number. For a defined symbol, look for the line number of the address of the symbol. For an undefined symbol, look for the line number of a relocation entry which refers to the symbol. If line number information can be found, print it after the other symbol information. `-n' `-v' `--numeric-sort' Sort symbols numerically by their addresses, rather than alphabetically by their names. `-p' `--no-sort' Do not bother to sort the symbols in any order; print them in the order encountered. `-P' `--portability' Use the POSIX.2 standard output format instead of the default format. Equivalent to `-f posix'. `-S' `--print-size' Print size, not the value, of defined symbols for the `bsd' output format. `-s' `--print-armap' When listing symbols from archive members, include the index: a mapping (stored in the archive by `ar' or `ranlib') of which modules contain definitions for which names. `-r' `--reverse-sort' Reverse the order of the sort (whether numeric or alphabetic); let the last come first. `--size-sort' Sort symbols by size. The size is computed as the difference between the value of the symbol and the value of the symbol with the next higher value. If the `bsd' output format is used the size of the symbol is printed, rather than the value, and `-S' must be used in order both size and value to be printed. `--special-syms' Display symbols which have a target-specific special meaning. These symbols are usually used by the target for some special processing and are not normally helpful when included included in the normal symbol lists. For example for ARM targets this option would skip the mapping symbols used to mark transitions between ARM code, THUMB code and data. `-t RADIX' `--radix=RADIX' Use RADIX as the radix for printing the symbol values. It must be `d' for decimal, `o' for octal, or `x' for hexadecimal. `--target=BFDNAME' Specify an object code format other than your system's default format. *Note Target Selection::, for more information. `-u' `--undefined-only' Display only undefined symbols (those external to each object file). `--defined-only' Display only defined symbols for each object file. `-V' `--version' Show the version number of `nm' and exit. `-X' This option is ignored for compatibility with the AIX version of `nm'. It takes one parameter which must be the string `32_64'. The default mode of AIX `nm' corresponds to `-X 32', which is not supported by GNU `nm'. `--help' Show a summary of the options to `nm' and exit.  File: binutils.info, Node: objcopy, Next: objdump, Prev: nm, Up: Top 3 objcopy ********* objcopy [`-F' BFDNAME|`--target='BFDNAME] [`-I' BFDNAME|`--input-target='BFDNAME] [`-O' BFDNAME|`--output-target='BFDNAME] [`-B' BFDARCH|`--binary-architecture='BFDARCH] [`-S'|`--strip-all'] [`-g'|`--strip-debug'] [`-K' SYMBOLNAME|`--keep-symbol='SYMBOLNAME] [`-N' SYMBOLNAME|`--strip-symbol='SYMBOLNAME] [`--strip-unneeded-symbol='SYMBOLNAME] [`-G' SYMBOLNAME|`--keep-global-symbol='SYMBOLNAME] [`--localize-hidden'] [`-L' SYMBOLNAME|`--localize-symbol='SYMBOLNAME] [`--globalize-symbol='SYMBOLNAME] [`-W' SYMBOLNAME|`--weaken-symbol='SYMBOLNAME] [`-w'|`--wildcard'] [`-x'|`--discard-all'] [`-X'|`--discard-locals'] [`-b' BYTE|`--byte='BYTE] [`-i' INTERLEAVE|`--interleave='INTERLEAVE] [`-j' SECTIONNAME|`--only-section='SECTIONNAME] [`-R' SECTIONNAME|`--remove-section='SECTIONNAME] [`-p'|`--preserve-dates'] [`--debugging'] [`--gap-fill='VAL] [`--pad-to='ADDRESS] [`--set-start='VAL] [`--adjust-start='INCR] [`--change-addresses='INCR] [`--change-section-address' SECTION{=,+,-}VAL] [`--change-section-lma' SECTION{=,+,-}VAL] [`--change-section-vma' SECTION{=,+,-}VAL] [`--change-warnings'] [`--no-change-warnings'] [`--set-section-flags' SECTION=FLAGS] [`--add-section' SECTIONNAME=FILENAME] [`--rename-section' OLDNAME=NEWNAME[,FLAGS]] [`--change-leading-char'] [`--remove-leading-char'] [`--reverse-bytes='NUM] [`--srec-len='IVAL] [`--srec-forceS3'] [`--redefine-sym' OLD=NEW] [`--redefine-syms='FILENAME] [`--weaken'] [`--keep-symbols='FILENAME] [`--strip-symbols='FILENAME] [`--strip-unneeded-symbols='FILENAME] [`--keep-global-symbols='FILENAME] [`--localize-symbols='FILENAME] [`--globalize-symbols='FILENAME] [`--weaken-symbols='FILENAME] [`--alt-machine-code='INDEX] [`--prefix-symbols='STRING] [`--prefix-sections='STRING] [`--prefix-alloc-sections='STRING] [`--add-gnu-debuglink='PATH-TO-FILE] [`--keep-file-symbols'] [`--only-keep-debug'] [`--extract-symbol'] [`--writable-text'] [`--readonly-text'] [`--pure'] [`--impure'] [`-v'|`--verbose'] [`-V'|`--version'] [`--help'] [`--info'] INFILE [OUTFILE] The GNU `objcopy' utility copies the contents of an object file to another. `objcopy' uses the GNU BFD Library to read and write the object files. It can write the destination object file in a format different from that of the source object file. The exact behavior of `objcopy' is controlled by command-line options. Note that `objcopy' should be able to copy a fully linked file between any two formats. However, copying a relocatable object file between any two formats may not work as expected. `objcopy' creates temporary files to do its translations and deletes them afterward. `objcopy' uses BFD to do all its translation work; it has access to all the formats described in BFD and thus is able to recognize most formats without being told explicitly. *Note BFD: (ld.info)BFD. `objcopy' can be used to generate S-records by using an output target of `srec' (e.g., use `-O srec'). `objcopy' can be used to generate a raw binary file by using an output target of `binary' (e.g., use `-O binary'). When `objcopy' generates a raw binary file, it will essentially produce a memory dump of the contents of the input object file. All symbols and relocation information will be discarded. The memory dump will start at the load address of the lowest section copied into the output file. When generating an S-record or a raw binary file, it may be helpful to use `-S' to remove sections containing debugging information. In some cases `-R' will be useful to remove sections which contain information that is not needed by the binary file. Note--`objcopy' is not able to change the endianness of its input files. If the input format has an endianness (some formats do not), `objcopy' can only copy the inputs into file formats that have the same endianness or which have no endianness (e.g., `srec'). (However, see the `--reverse-bytes' option.) `INFILE' `OUTFILE' The input and output files, respectively. If you do not specify OUTFILE, `objcopy' creates a temporary file and destructively renames the result with the name of INFILE. `-I BFDNAME' `--input-target=BFDNAME' Consider the source file's object format to be BFDNAME, rather than attempting to deduce it. *Note Target Selection::, for more information. `-O BFDNAME' `--output-target=BFDNAME' Write the output file using the object format BFDNAME. *Note Target Selection::, for more information. `-F BFDNAME' `--target=BFDNAME' Use BFDNAME as the object format for both the input and the output file; i.e., simply transfer data from source to destination with no translation. *Note Target Selection::, for more information. `-B BFDARCH' `--binary-architecture=BFDARCH' Useful when transforming a raw binary input file into an object file. In this case the output architecture can be set to BFDARCH. This option will be ignored if the input file has a known BFDARCH. You can access this binary data inside a program by referencing the special symbols that are created by the conversion process. These symbols are called _binary_OBJFILE_start, _binary_OBJFILE_end and _binary_OBJFILE_size. e.g. you can transform a picture file into an object file and then access it in your code using these symbols. `-j SECTIONNAME' `--only-section=SECTIONNAME' Copy only the named section from the input file to the output file. This option may be given more than once. Note that using this option inappropriately may make the output file unusable. `-R SECTIONNAME' `--remove-section=SECTIONNAME' Remove any section named SECTIONNAME from the output file. This option may be given more than once. Note that using this option inappropriately may make the output file unusable. `-S' `--strip-all' Do not copy relocation and symbol information from the source file. `-g' `--strip-debug' Do not copy debugging symbols or sections from the source file. `--strip-unneeded' Strip all symbols that are not needed for relocation processing. `-K SYMBOLNAME' `--keep-symbol=SYMBOLNAME' When stripping symbols, keep symbol SYMBOLNAME even if it would normally be stripped. This option may be given more than once. `-N SYMBOLNAME' `--strip-symbol=SYMBOLNAME' Do not copy symbol SYMBOLNAME from the source file. This option may be given more than once. `--strip-unneeded-symbol=SYMBOLNAME' Do not copy symbol SYMBOLNAME from the source file unless it is needed by a relocation. This option may be given more than once. `-G SYMBOLNAME' `--keep-global-symbol=SYMBOLNAME' Keep only symbol SYMBOLNAME global. Make all other symbols local to the file, so that they are not visible externally. This option may be given more than once. `--localize-hidden' In an ELF object, mark all symbols that have hidden or internal visibility as local. This option applies on top of symbol-specific localization options such as `-L'. `-L SYMBOLNAME' `--localize-symbol=SYMBOLNAME' Make symbol SYMBOLNAME local to the file, so that it is not visible externally. This option may be given more than once. `-W SYMBOLNAME' `--weaken-symbol=SYMBOLNAME' Make symbol SYMBOLNAME weak. This option may be given more than once. `--globalize-symbol=SYMBOLNAME' Give symbol SYMBOLNAME global scoping so that it is visible outside of the file in which it is defined. This option may be given more than once. `-w' `--wildcard' Permit regular expressions in SYMBOLNAMEs used in other command line options. The question mark (?), asterisk (*), backslash (\) and square brackets ([]) operators can be used anywhere in the symbol name. If the first character of the symbol name is the exclamation point (!) then the sense of the switch is reversed for that symbol. For example: -w -W !foo -W fo* would cause objcopy to weaken all symbols that start with "fo" except for the symbol "foo". `-x' `--discard-all' Do not copy non-global symbols from the source file. `-X' `--discard-locals' Do not copy compiler-generated local symbols. (These usually start with `L' or `.'.) `-b BYTE' `--byte=BYTE' Keep only every BYTEth byte of the input file (header data is not affected). BYTE can be in the range from 0 to INTERLEAVE-1, where INTERLEAVE is given by the `-i' or `--interleave' option, or the default of 4. This option is useful for creating files to program ROM. It is typically used with an `srec' output target. `-i INTERLEAVE' `--interleave=INTERLEAVE' Only copy one out of every INTERLEAVE bytes. Select which byte to copy with the `-b' or `--byte' option. The default is 4. `objcopy' ignores this option if you do not specify either `-b' or `--byte'. `-p' `--preserve-dates' Set the access and modification dates of the output file to be the same as those of the input file. `--debugging' Convert debugging information, if possible. This is not the default because only certain debugging formats are supported, and the conversion process can be time consuming. `--gap-fill VAL' Fill gaps between sections with VAL. This operation applies to the _load address_ (LMA) of the sections. It is done by increasing the size of the section with the lower address, and filling in the extra space created with VAL. `--pad-to ADDRESS' Pad the output file up to the load address ADDRESS. This is done by increasing the size of the last section. The extra space is filled in with the value specified by `--gap-fill' (default zero). `--set-start VAL' Set the start address of the new file to VAL. Not all object file formats support setting the start address. `--change-start INCR' `--adjust-start INCR' Change the start address by adding INCR. Not all object file formats support setting the start address. `--change-addresses INCR' `--adjust-vma INCR' Change the VMA and LMA addresses of all sections, as well as the start address, by adding INCR. Some object file formats do not permit section addresses to be changed arbitrarily. Note that this does not relocate the sections; if the program expects sections to be loaded at a certain address, and this option is used to change the sections such that they are loaded at a different address, the program may fail. `--change-section-address SECTION{=,+,-}VAL' `--adjust-section-vma SECTION{=,+,-}VAL' Set or change both the VMA address and the LMA address of the named SECTION. If `=' is used, the section address is set to VAL. Otherwise, VAL is added to or subtracted from the section address. See the comments under `--change-addresses', above. If SECTION does not exist in the input file, a warning will be issued, unless `--no-change-warnings' is used. `--change-section-lma SECTION{=,+,-}VAL' Set or change the LMA address of the named SECTION. The LMA address is the address where the section will be loaded into memory at program load time. Normally this is the same as the VMA address, which is the address of the section at program run time, but on some systems, especially those where a program is held in ROM, the two can be different. If `=' is used, the section address is set to VAL. Otherwise, VAL is added to or subtracted from the section address. See the comments under `--change-addresses', above. If SECTION does not exist in the input file, a warning will be issued, unless `--no-change-warnings' is used. `--change-section-vma SECTION{=,+,-}VAL' Set or change the VMA address of the named SECTION. The VMA address is the address where the section will be located once the program has started executing. Normally this is the same as the LMA address, which is the address where the section will be loaded into memory, but on some systems, especially those where a program is held in ROM, the two can be different. If `=' is used, the section address is set to VAL. Otherwise, VAL is added to or subtracted from the section address. See the comments under `--change-addresses', above. If SECTION does not exist in the input file, a warning will be issued, unless `--no-change-warnings' is used. `--change-warnings' `--adjust-warnings' If `--change-section-address' or `--change-section-lma' or `--change-section-vma' is used, and the named section does not exist, issue a warning. This is the default. `--no-change-warnings' `--no-adjust-warnings' Do not issue a warning if `--change-section-address' or `--adjust-section-lma' or `--adjust-section-vma' is used, even if the named section does not exist. `--set-section-flags SECTION=FLAGS' Set the flags for the named section. The FLAGS argument is a comma separated string of flag names. The recognized names are `alloc', `contents', `load', `noload', `readonly', `code', `data', `rom', `share', and `debug'. You can set the `contents' flag for a section which does not have contents, but it is not meaningful to clear the `contents' flag of a section which does have contents-just remove the section instead. Not all flags are meaningful for all object file formats. `--add-section SECTIONNAME=FILENAME' Add a new section named SECTIONNAME while copying the file. The contents of the new section are taken from the file FILENAME. The size of the section will be the size of the file. This option only works on file formats which can support sections with arbitrary names. `--rename-section OLDNAME=NEWNAME[,FLAGS]' Rename a section from OLDNAME to NEWNAME, optionally changing the section's flags to FLAGS in the process. This has the advantage over usng a linker script to perform the rename in that the output stays as an object file and does not become a linked executable. This option is particularly helpful when the input format is binary, since this will always create a section called .data. If for example, you wanted instead to create a section called .rodata containing binary data you could use the following command line to achieve it: objcopy -I binary -O -B \ --rename-section .data=.rodata,alloc,load,readonly,data,contents \ `--change-leading-char' Some object file formats use special characters at the start of symbols. The most common such character is underscore, which compilers often add before every symbol. This option tells `objcopy' to change the leading character of every symbol when it converts between object file formats. If the object file formats use the same leading character, this option has no effect. Otherwise, it will add a character, or remove a character, or change a character, as appropriate. `--remove-leading-char' If the first character of a global symbol is a special symbol leading character used by the object file format, remove the character. The most common symbol leading character is underscore. This option will remove a leading underscore from all global symbols. This can be useful if you want to link together objects of different file formats with different conventions for symbol names. This is different from `--change-leading-char' because it always changes the symbol name when appropriate, regardless of the object file format of the output file. `--reverse-bytes=NUM' Reverse the bytes in a section with output contents. A section length must be evenly divisible by the value given in order for the swap to be able to take place. Reversing takes place before the interleaving is performed. This option is used typically in generating ROM images for problematic target systems. For example, on some target boards, the 32-bit words fetched from 8-bit ROMs are re-assembled in little-endian byte order regardless of the CPU byte order. Depending on the programming model, the endianness of the ROM may need to be modified. Consider a simple file with a section containing the following eight bytes: `12345678'. Using `--reverse-bytes=2' for the above example, the bytes in the output file would be ordered `21436587'. Using `--reverse-bytes=4' for the above example, the bytes in the output file would be ordered `43218765'. By using `--reverse-bytes=2' for the above example, followed by `--reverse-bytes=4' on the output file, the bytes in the second output file would be ordered `34127856'. `--srec-len=IVAL' Meaningful only for srec output. Set the maximum length of the Srecords being produced to IVAL. This length covers both address, data and crc fields. `--srec-forceS3' Meaningful only for srec output. Avoid generation of S1/S2 records, creating S3-only record format. `--redefine-sym OLD=NEW' Change the name of a symbol OLD, to NEW. This can be useful when one is trying link two things together for which you have no source, and there are name collisions. `--redefine-syms=FILENAME' Apply `--redefine-sym' to each symbol pair "OLD NEW" listed in the file FILENAME. FILENAME is simply a flat file, with one symbol pair per line. Line comments may be introduced by the hash character. This option may be given more than once. `--weaken' Change all global symbols in the file to be weak. This can be useful when building an object which will be linked against other objects using the `-R' option to the linker. This option is only effective when using an object file format which supports weak symbols. `--keep-symbols=FILENAME' Apply `--keep-symbol' option to each symbol listed in the file FILENAME. FILENAME is simply a flat file, with one symbol name per line. Line comments may be introduced by the hash character. This option may be given more than once. `--strip-symbols=FILENAME' Apply `--strip-symbol' option to each symbol listed in the file FILENAME. FILENAME is simply a flat file, with one symbol name per line. Line comments may be introduced by the hash character. This option may be given more than once. `--strip-unneeded-symbols=FILENAME' Apply `--strip-unneeded-symbol' option to each symbol listed in the file FILENAME. FILENAME is simply a flat file, with one symbol name per line. Line comments may be introduced by the hash character. This option may be given more than once. `--keep-global-symbols=FILENAME' Apply `--keep-global-symbol' option to each symbol listed in the file FILENAME. FILENAME is simply a flat file, with one symbol name per line. Line comments may be introduced by the hash character. This option may be given more than once. `--localize-symbols=FILENAME' Apply `--localize-symbol' option to each symbol listed in the file FILENAME. FILENAME is simply a flat file, with one symbol name per line. Line comments may be introduced by the hash character. This option may be given more than once. `--globalize-symbols=FILENAME' Apply `--globalize-symbol' option to each symbol listed in the file FILENAME. FILENAME is simply a flat file, with one symbol name per line. Line comments may be introduced by the hash character. This option may be given more than once. `--weaken-symbols=FILENAME' Apply `--weaken-symbol' option to each symbol listed in the file FILENAME. FILENAME is simply a flat file, with one symbol name per line. Line comments may be introduced by the hash character. This option may be given more than once. `--alt-machine-code=INDEX' If the output architecture has alternate machine codes, use the INDEXth code instead of the default one. This is useful in case a machine is assigned an official code and the tool-chain adopts the new code, but other applications still depend on the original code being used. For ELF based architectures if the INDEX alternative does not exist then the value is treated as an absolute number to be stored in the e_machine field of the ELF header. `--writable-text' Mark the output text as writable. This option isn't meaningful for all object file formats. `--readonly-text' Make the output text write protected. This option isn't meaningful for all object file formats. `--pure' Mark the output file as demand paged. This option isn't meaningful for all object file formats. `--impure' Mark the output file as impure. This option isn't meaningful for all object file formats. `--prefix-symbols=STRING' Prefix all symbols in the output file with STRING. `--prefix-sections=STRING' Prefix all section names in the output file with STRING. `--prefix-alloc-sections=STRING' Prefix all the names of all allocated sections in the output file with STRING. `--add-gnu-debuglink=PATH-TO-FILE' Creates a .gnu_debuglink section which contains a reference to PATH-TO-FILE and adds it to the output file. `--keep-file-symbols' When stripping a file, perhaps with `--strip-debug' or `--strip-unneeded', retain any symbols specifying source file names, which would otherwise get stripped. `--only-keep-debug' Strip a file, removing contents of any sections that would not be stripped by `--strip-debug' and leaving the debugging sections intact. In ELF files, this preserves all note sections in the output. The intention is that this option will be used in conjunction with `--add-gnu-debuglink' to create a two part executable. One a stripped binary which will occupy less space in RAM and in a distribution and the second a debugging information file which is only needed if debugging abilities are required. The suggested procedure to create these files is as follows: 1. Link the executable as normal. Assuming that is is called `foo' then... 2. Run `objcopy --only-keep-debug foo foo.dbg' to create a file containing the debugging info. 3. Run `objcopy --strip-debug foo' to create a stripped executable. 4. Run `objcopy --add-gnu-debuglink=foo.dbg foo' to add a link to the debugging info into the stripped executable. Note--the choice of `.dbg' as an extension for the debug info file is arbitrary. Also the `--only-keep-debug' step is optional. You could instead do this: 1. Link the executable as normal. 2. Copy `foo' to `foo.full' 3. Run `objcopy --strip-debug foo' 4. Run `objcopy --add-gnu-debuglink=foo.full foo' i.e., the file pointed to by the `--add-gnu-debuglink' can be the full executable. It does not have to be a file created by the `--only-keep-debug' switch. Note--this switch is only intended for use on fully linked files. It does not make sense to use it on object files where the debugging information may be incomplete. Besides the gnu_debuglink feature currently only supports the presence of one filename containing debugging information, not multiple filenames on a one-per-object-file basis. `--extract-symbol' Keep the file's section flags and symbols but remove all section data. Specifically, the option: * removes the contents of all sections; * sets the size of every section to zero; and * sets the file's start address to zero. This option is used to build a `.sym' file for a VxWorks kernel. It can also be a useful way of reducing the size of a `--just-symbols' linker input file. `-V' `--version' Show the version number of `objcopy'. `-v' `--verbose' Verbose output: list all object files modified. In the case of archives, `objcopy -V' lists all members of the archive. `--help' Show a summary of the options to `objcopy'. `--info' Display a list showing all architectures and object formats available.  File: binutils.info, Node: objdump, Next: ranlib, Prev: objcopy, Up: Top 4 objdump ********* objdump [`-a'|`--archive-headers'] [`-b' BFDNAME|`--target=BFDNAME'] [`-C'|`--demangle'[=STYLE] ] [`-d'|`--disassemble'] [`-D'|`--disassemble-all'] [`-z'|`--disassemble-zeroes'] [`-EB'|`-EL'|`--endian='{big | little }] [`-f'|`--file-headers'] [`-F'|`--file-offsets'] [`--file-start-context'] [`-g'|`--debugging'] [`-e'|`--debugging-tags'] [`-h'|`--section-headers'|`--headers'] [`-i'|`--info'] [`-j' SECTION|`--section='SECTION] [`-l'|`--line-numbers'] [`-S'|`--source'] [`-m' MACHINE|`--architecture='MACHINE] [`-M' OPTIONS|`--disassembler-options='OPTIONS] [`-p'|`--private-headers'] [`-r'|`--reloc'] [`-R'|`--dynamic-reloc'] [`-s'|`--full-contents'] [`-W'|`--dwarf'] [`-G'|`--stabs'] [`-t'|`--syms'] [`-T'|`--dynamic-syms'] [`-x'|`--all-headers'] [`-w'|`--wide'] [`--start-address='ADDRESS] [`--stop-address='ADDRESS] [`--prefix-addresses'] [`--[no-]show-raw-insn'] [`--adjust-vma='OFFSET] [`--special-syms'] [`-V'|`--version'] [`-H'|`--help'] OBJFILE... `objdump' displays information about one or more object files. The options control what particular information to display. This information is mostly useful to programmers who are working on the compilation tools, as opposed to programmers who just want their program to compile and work. OBJFILE... are the object files to be examined. When you specify archives, `objdump' shows information on each of the member object files. The long and short forms of options, shown here as alternatives, are equivalent. At least one option from the list `-a,-d,-D,-e,-f,-g,-G,-h,-H,-p,-r,-R,-s,-S,-t,-T,-V,-x' must be given. `-a' `--archive-header' If any of the OBJFILE files are archives, display the archive header information (in a format similar to `ls -l'). Besides the information you could list with `ar tv', `objdump -a' shows the object file format of each archive member. `--adjust-vma=OFFSET' When dumping information, first add OFFSET to all the section addresses. This is useful if the section addresses do not correspond to the symbol table, which can happen when putting sections at particular addresses when using a format which can not represent section addresses, such as a.out. `-b BFDNAME' `--target=BFDNAME' Specify that the object-code format for the object files is BFDNAME. This option may not be necessary; OBJDUMP can automatically recognize many formats. For example, objdump -b oasys -m vax -h fu.o displays summary information from the section headers (`-h') of `fu.o', which is explicitly identified (`-m') as a VAX object file in the format produced by Oasys compilers. You can list the formats available with the `-i' option. *Note Target Selection::, for more information. `-C' `--demangle[=STYLE]' Decode ("demangle") low-level symbol names into user-level names. Besides removing any initial underscore prepended by the system, this makes C++ function names readable. Different compilers have different mangling styles. The optional demangling style argument can be used to choose an appropriate demangling style for your compiler. *Note c++filt::, for more information on demangling. `-g' `--debugging' Display debugging information. This attempts to parse STABS and IEEE debugging format information stored in the file and print it out using a C like syntax. If neither of these formats are found this option falls back on the `-W' option to print any DWARF information in the file. `-e' `--debugging-tags' Like `-g', but the information is generated in a format compatible with ctags tool. `-d' `--disassemble' Display the assembler mnemonics for the machine instructions from OBJFILE. This option only disassembles those sections which are expected to contain instructions. `-D' `--disassemble-all' Like `-d', but disassemble the contents of all sections, not just those expected to contain instructions. `--prefix-addresses' When disassembling, print the complete address on each line. This is the older disassembly format. `-EB' `-EL' `--endian={big|little}' Specify the endianness of the object files. This only affects disassembly. This can be useful when disassembling a file format which does not describe endianness information, such as S-records. `-f' `--file-headers' Display summary information from the overall header of each of the OBJFILE files. `-F' `--file-offsets' When disassembling sections, whenever a symbol is displayed, also display the file offset of the region of data that is about to be dumped. If zeroes are being skipped, then when disassembly resumes, tell the user how many zeroes were skipped and the file offset of the location from where the disassembly resumes. When dumping sections, display the file offset of the location from where the dump starts. `--file-start-context' Specify that when displaying interlisted source code/disassembly (assumes `-S') from a file that has not yet been displayed, extend the context to the start of the file. `-h' `--section-headers' `--headers' Display summary information from the section headers of the object file. File segments may be relocated to nonstandard addresses, for example by using the `-Ttext', `-Tdata', or `-Tbss' options to `ld'. However, some object file formats, such as a.out, do not store the starting address of the file segments. In those situations, although `ld' relocates the sections correctly, using `objdump -h' to list the file section headers cannot show the correct addresses. Instead, it shows the usual addresses, which are implicit for the target. `-H' `--help' Print a summary of the options to `objdump' and exit. `-i' `--info' Display a list showing all architectures and object formats available for specification with `-b' or `-m'. `-j NAME' `--section=NAME' Display information only for section NAME. `-l' `--line-numbers' Label the display (using debugging information) with the filename and source line numbers corresponding to the object code or relocs shown. Only useful with `-d', `-D', or `-r'. `-m MACHINE' `--architecture=MACHINE' Specify the architecture to use when disassembling object files. This can be useful when disassembling object files which do not describe architecture information, such as S-records. You can list the available architectures with the `-i' option. `-M OPTIONS' `--disassembler-options=OPTIONS' Pass target specific information to the disassembler. Only supported on some targets. If it is necessary to specify more than one disassembler option then multiple `-M' options can be used or can be placed together into a comma separated list. If the target is an ARM architecture then this switch can be used to select which register name set is used during disassembler. Specifying `-M reg-names-std' (the default) will select the register names as used in ARM's instruction set documentation, but with register 13 called 'sp', register 14 called 'lr' and register 15 called 'pc'. Specifying `-M reg-names-apcs' will select the name set used by the ARM Procedure Call Standard, whilst specifying `-M reg-names-raw' will just use `r' followed by the register number. There are also two variants on the APCS register naming scheme enabled by `-M reg-names-atpcs' and `-M reg-names-special-atpcs' which use the ARM/Thumb Procedure Call Standard naming conventions. (Either with the normal register names or the special register names). This option can also be used for ARM architectures to force the disassembler to interpret all instructions as Thumb instructions by using the switch `--disassembler-options=force-thumb'. This can be useful when attempting to disassemble thumb code produced by other compilers. For the x86, some of the options duplicate functions of the `-m' switch, but allow finer grained control. Multiple selections from the following may be specified as a comma separated string. `x86-64', `i386' and `i8086' select disassembly for the given architecture. `intel' and `att' select between intel syntax mode and AT&T syntax mode. `intel-mnemonic' and `att-mnemonic' select between intel mnemonic mode and AT&T mnemonic mode. `intel-mnemonic' implies `intel' and `att-mnemonic' implies `att'. `addr64', `addr32', `addr16', `data32' and `data16' specify the default address size and operand size. These four options will be overridden if `x86-64', `i386' or `i8086' appear later in the option string. Lastly, `suffix', when in AT&T mode, instructs the disassembler to print a mnemonic suffix even when the suffix could be inferred by the operands. For PPC, `booke', `booke32' and `booke64' select disassembly of BookE instructions. `32' and `64' select PowerPC and PowerPC64 disassembly, respectively. `e300' selects disassembly for the e300 family. `440' selects disassembly for the PowerPC 440. `ppcps' selects disassembly for the paired single instructions of the PPC750CL. For MIPS, this option controls the printing of instruction mnemonic names and register names in disassembled instructions. Multiple selections from the following may be specified as a comma separated string, and invalid options are ignored: `no-aliases' Print the 'raw' instruction mnemonic instead of some pseudo instruction mnemonic. I.e., print 'daddu' or 'or' instead of 'move', 'sll' instead of 'nop', etc. `gpr-names=ABI' Print GPR (general-purpose register) names as appropriate for the specified ABI. By default, GPR names are selected according to the ABI of the binary being disassembled. `fpr-names=ABI' Print FPR (floating-point register) names as appropriate for the specified ABI. By default, FPR numbers are printed rather than names. `cp0-names=ARCH' Print CP0 (system control coprocessor; coprocessor 0) register names as appropriate for the CPU or architecture specified by ARCH. By default, CP0 register names are selected according to the architecture and CPU of the binary being disassembled. `hwr-names=ARCH' Print HWR (hardware register, used by the `rdhwr' instruction) names as appropriate for the CPU or architecture specified by ARCH. By default, HWR names are selected according to the architecture and CPU of the binary being disassembled. `reg-names=ABI' Print GPR and FPR names as appropriate for the selected ABI. `reg-names=ARCH' Print CPU-specific register names (CP0 register and HWR names) as appropriate for the selected CPU or architecture. For any of the options listed above, ABI or ARCH may be specified as `numeric' to have numbers printed rather than names, for the selected types of registers. You can list the available values of ABI and ARCH using the `--help' option. For VAX, you can specify function entry addresses with `-M entry:0xf00ba'. You can use this multiple times to properly disassemble VAX binary files that don't contain symbol tables (like ROM dumps). In these cases, the function entry mask would otherwise be decoded as VAX instructions, which would probably lead the rest of the function being wrongly disassembled. `-p' `--private-headers' Print information that is specific to the object file format. The exact information printed depends upon the object file format. For some object file formats, no additional information is printed. `-r' `--reloc' Print the relocation entries of the file. If used with `-d' or `-D', the relocations are printed interspersed with the disassembly. `-R' `--dynamic-reloc' Print the dynamic relocation entries of the file. This is only meaningful for dynamic objects, such as certain types of shared libraries. `-s' `--full-contents' Display the full contents of any sections requested. By default all non-empty sections are displayed. `-S' `--source' Display source code intermixed with disassembly, if possible. Implies `-d'. `--show-raw-insn' When disassembling instructions, print the instruction in hex as well as in symbolic form. This is the default except when `--prefix-addresses' is used. `--no-show-raw-insn' When disassembling instructions, do not print the instruction bytes. This is the default when `--prefix-addresses' is used. `-W' `--dwarf' Displays the contents of the DWARF debug sections in the file, if any are present. `-G' `--stabs' Display the full contents of any sections requested. Display the contents of the .stab and .stab.index and .stab.excl sections from an ELF file. This is only useful on systems (such as Solaris 2.0) in which `.stab' debugging symbol-table entries are carried in an ELF section. In most other file formats, debugging symbol-table entries are interleaved with linkage symbols, and are visible in the `--syms' output. For more information on stabs symbols, see *Note Stabs: (stabs.info)Top. `--start-address=ADDRESS' Start displaying data at the specified address. This affects the output of the `-d', `-r' and `-s' options. `--stop-address=ADDRESS' Stop displaying data at the specified address. This affects the output of the `-d', `-r' and `-s' options. `-t' `--syms' Print the symbol table entries of the file. This is similar to the information provided by the `nm' program, although the display format is different. The format of the output depends upon the format of the file being dumped, but there are two main types. One looks like this: [ 4](sec 3)(fl 0x00)(ty 0)(scl 3) (nx 1) 0x00000000 .bss [ 6](sec 1)(fl 0x00)(ty 0)(scl 2) (nx 0) 0x00000000 fred where the number inside the square brackets is the number of the entry in the symbol table, the SEC number is the section number, the FL value are the symbol's flag bits, the TY number is the symbol's type, the SCL number is the symbol's storage class and the NX value is the number of auxilary entries associated with the symbol. The last two fields are the symbol's value and its name. The other common output format, usually seen with ELF based files, looks like this: 00000000 l d .bss 00000000 .bss 00000000 g .text 00000000 fred Here the first number is the symbol's value (sometimes refered to as its address). The next field is actually a set of characters and spaces indicating the flag bits that are set on the symbol. These characters are described below. Next is the section with which the symbol is associated or _*ABS*_ if the section is absolute (ie not connected with any section), or _*UND*_ if the section is referenced in the file being dumped, but not defined there. After the section name comes another field, a number, which for common symbols is the alignment and for other symbol is the size. Finally the symbol's name is displayed. The flag characters are divided into 7 groups as follows: `l' `g' `!' The symbol is local (l), global (g), neither (a space) or both (!). A symbol can be neither local or global for a variety of reasons, e.g., because it is used for debugging, but it is probably an indication of a bug if it is ever both local and global. `w' The symbol is weak (w) or strong (a space). `C' The symbol denotes a constructor (C) or an ordinary symbol (a space). `W' The symbol is a warning (W) or a normal symbol (a space). A warning symbol's name is a message to be displayed if the symbol following the warning symbol is ever referenced. `I' The symbol is an indirect reference to another symbol (I) or a normal symbol (a space). `d' `D' The symbol is a debugging symbol (d) or a dynamic symbol (D) or a normal symbol (a space). `F' `f' `O' The symbol is the name of a function (F) or a file (f) or an object (O) or just a normal symbol (a space). `-T' `--dynamic-syms' Print the dynamic symbol table entries of the file. This is only meaningful for dynamic objects, such as certain types of shared libraries. This is similar to the information provided by the `nm' program when given the `-D' (`--dynamic') option. `--special-syms' When displaying symbols include those which the target considers to be special in some way and which would not normally be of interest to the user. `-V' `--version' Print the version number of `objdump' and exit. `-x' `--all-headers' Display all available header information, including the symbol table and relocation entries. Using `-x' is equivalent to specifying all of `-a -f -h -p -r -t'. `-w' `--wide' Format some lines for output devices that have more than 80 columns. Also do not truncate symbol names when they are displayed. `-z' `--disassemble-zeroes' Normally the disassembly output will skip blocks of zeroes. This option directs the disassembler to disassemble those blocks, just like any other data.  File: binutils.info, Node: ranlib, Next: readelf, Prev: objdump, Up: Top 5 ranlib ******** ranlib [`-vVt'] ARCHIVE `ranlib' generates an index to the contents of an archive and stores it in the archive. The index lists each symbol defined by a member of an archive that is a relocatable object file. You may use `nm -s' or `nm --print-armap' to list this index. An archive with such an index speeds up linking to the library and allows routines in the library to call each other without regard to their placement in the archive. The GNU `ranlib' program is another form of GNU `ar'; running `ranlib' is completely equivalent to executing `ar -s'. *Note ar::. `-v' `-V' `--version' Show the version number of `ranlib'. `-t' Update the timestamp of the symbol map of an archive.  File: binutils.info, Node: size, Next: strings, Prev: readelf, Up: Top 6 size ****** size [`-A'|`-B'|`--format='COMPATIBILITY] [`--help'] [`-d'|`-o'|`-x'|`--radix='NUMBER] [`--common'] [`-t'|`--totals'] [`--target='BFDNAME] [`-V'|`--version'] [OBJFILE...] The GNU `size' utility lists the section sizes--and the total size--for each of the object or archive files OBJFILE in its argument list. By default, one line of output is generated for each object file or each module in an archive. OBJFILE... are the object files to be examined. If none are specified, the file `a.out' will be used. The command line options have the following meanings: `-A' `-B' `--format=COMPATIBILITY' Using one of these options, you can choose whether the output from GNU `size' resembles output from System V `size' (using `-A', or `--format=sysv'), or Berkeley `size' (using `-B', or `--format=berkeley'). The default is the one-line format similar to Berkeley's. Here is an example of the Berkeley (default) format of output from `size': $ size --format=Berkeley ranlib size text data bss dec hex filename 294880 81920 11592 388392 5ed28 ranlib 294880 81920 11888 388688 5ee50 size This is the same data, but displayed closer to System V conventions: $ size --format=SysV ranlib size ranlib : section size addr .text 294880 8192 .data 81920 303104 .bss 11592 385024 Total 388392 size : section size addr .text 294880 8192 .data 81920 303104 .bss 11888 385024 Total 388688 `--help' Show a summary of acceptable arguments and options. `-d' `-o' `-x' `--radix=NUMBER' Using one of these options, you can control whether the size of each section is given in decimal (`-d', or `--radix=10'); octal (`-o', or `--radix=8'); or hexadecimal (`-x', or `--radix=16'). In `--radix=NUMBER', only the three values (8, 10, 16) are supported. The total size is always given in two radices; decimal and hexadecimal for `-d' or `-x' output, or octal and hexadecimal if you're using `-o'. `--common' Print total size of common symbols in each file. When using Berkeley format these are included in the bss size. `-t' `--totals' Show totals of all objects listed (Berkeley format listing mode only). `--target=BFDNAME' Specify that the object-code format for OBJFILE is BFDNAME. This option may not be necessary; `size' can automatically recognize many formats. *Note Target Selection::, for more information. `-V' `--version' Display the version number of `size'.  File: binutils.info, Node: strings, Next: strip, Prev: size, Up: Top 7 strings ********* strings [`-afov'] [`-'MIN-LEN] [`-n' MIN-LEN] [`--bytes='MIN-LEN] [`-t' RADIX] [`--radix='RADIX] [`-e' ENCODING] [`--encoding='ENCODING] [`-'] [`--all'] [`--print-file-name'] [`-T' BFDNAME] [`--target='BFDNAME] [`--help'] [`--version'] FILE... For each FILE given, GNU `strings' prints the printable character sequences that are at least 4 characters long (or the number given with the options below) and are followed by an unprintable character. By default, it only prints the strings from the initialized and loaded sections of object files; for other types of files, it prints the strings from the whole file. `strings' is mainly useful for determining the contents of non-text files. `-a' `--all' `-' Do not scan only the initialized and loaded sections of object files; scan the whole files. `-f' `--print-file-name' Print the name of the file before each string. `--help' Print a summary of the program usage on the standard output and exit. `-MIN-LEN' `-n MIN-LEN' `--bytes=MIN-LEN' Print sequences of characters that are at least MIN-LEN characters long, instead of the default 4. `-o' Like `-t o'. Some other versions of `strings' have `-o' act like `-t d' instead. Since we can not be compatible with both ways, we simply chose one. `-t RADIX' `--radix=RADIX' Print the offset within the file before each string. The single character argument specifies the radix of the offset--`o' for octal, `x' for hexadecimal, or `d' for decimal. `-e ENCODING' `--encoding=ENCODING' Select the character encoding of the strings that are to be found. Possible values for ENCODING are: `s' = single-7-bit-byte characters (ASCII, ISO 8859, etc., default), `S' = single-8-bit-byte characters, `b' = 16-bit bigendian, `l' = 16-bit littleendian, `B' = 32-bit bigendian, `L' = 32-bit littleendian. Useful for finding wide character strings. (`l' and `b' apply to, for example, Unicode UTF-16/UCS-2 encodings). `-T BFDNAME' `--target=BFDNAME' Specify an object code format other than your system's default format. *Note Target Selection::, for more information. `-v' `--version' Print the program version number on the standard output and exit.  File: binutils.info, Node: strip, Next: c++filt, Prev: strings, Up: Top 8 strip ******* strip [`-F' BFDNAME |`--target='BFDNAME] [`-I' BFDNAME |`--input-target='BFDNAME] [`-O' BFDNAME |`--output-target='BFDNAME] [`-s'|`--strip-all'] [`-S'|`-g'|`-d'|`--strip-debug'] [`-K' SYMBOLNAME |`--keep-symbol='SYMBOLNAME] [`-N' SYMBOLNAME |`--strip-symbol='SYMBOLNAME] [`-w'|`--wildcard'] [`-x'|`--discard-all'] [`-X' |`--discard-locals'] [`-R' SECTIONNAME |`--remove-section='SECTIONNAME] [`-o' FILE] [`-p'|`--preserve-dates'] [`--keep-file-symbols'] [`--only-keep-debug'] [`-v' |`--verbose'] [`-V'|`--version'] [`--help'] [`--info'] OBJFILE... GNU `strip' discards all symbols from object files OBJFILE. The list of object files may include archives. At least one object file must be given. `strip' modifies the files named in its argument, rather than writing modified copies under different names. `-F BFDNAME' `--target=BFDNAME' Treat the original OBJFILE as a file with the object code format BFDNAME, and rewrite it in the same format. *Note Target Selection::, for more information. `--help' Show a summary of the options to `strip' and exit. `--info' Display a list showing all architectures and object formats available. `-I BFDNAME' `--input-target=BFDNAME' Treat the original OBJFILE as a file with the object code format BFDNAME. *Note Target Selection::, for more information. `-O BFDNAME' `--output-target=BFDNAME' Replace OBJFILE with a file in the output format BFDNAME. *Note Target Selection::, for more information. `-R SECTIONNAME' `--remove-section=SECTIONNAME' Remove any section named SECTIONNAME from the output file. This option may be given more than once. Note that using this option inappropriately may make the output file unusable. `-s' `--strip-all' Remove all symbols. `-g' `-S' `-d' `--strip-debug' Remove debugging symbols only. `--strip-unneeded' Remove all symbols that are not needed for relocation processing. `-K SYMBOLNAME' `--keep-symbol=SYMBOLNAME' When stripping symbols, keep symbol SYMBOLNAME even if it would normally be stripped. This option may be given more than once. `-N SYMBOLNAME' `--strip-symbol=SYMBOLNAME' Remove symbol SYMBOLNAME from the source file. This option may be given more than once, and may be combined with strip options other than `-K'. `-o FILE' Put the stripped output in FILE, rather than replacing the existing file. When this argument is used, only one OBJFILE argument may be specified. `-p' `--preserve-dates' Preserve the access and modification dates of the file. `-w' `--wildcard' Permit regular expressions in SYMBOLNAMEs used in other command line options. The question mark (?), asterisk (*), backslash (\) and square brackets ([]) operators can be used anywhere in the symbol name. If the first character of the symbol name is the exclamation point (!) then the sense of the switch is reversed for that symbol. For example: -w -K !foo -K fo* would cause strip to only keep symbols that start with the letters "fo", but to discard the symbol "foo". `-x' `--discard-all' Remove non-global symbols. `-X' `--discard-locals' Remove compiler-generated local symbols. (These usually start with `L' or `.'.) `--keep-file-symbols' When stripping a file, perhaps with `--strip-debug' or `--strip-unneeded', retain any symbols specifying source file names, which would otherwise get stripped. `--only-keep-debug' Strip a file, removing contents of any sections that would not be stripped by `--strip-debug' and leaving the debugging sections intact. In ELF files, this preserves all note sections in the output. The intention is that this option will be used in conjunction with `--add-gnu-debuglink' to create a two part executable. One a stripped binary which will occupy less space in RAM and in a distribution and the second a debugging information file which is only needed if debugging abilities are required. The suggested procedure to create these files is as follows: 1. Link the executable as normal. Assuming that is is called `foo' then... 2. Run `objcopy --only-keep-debug foo foo.dbg' to create a file containing the debugging info. 3. Run `objcopy --strip-debug foo' to create a stripped executable. 4. Run `objcopy --add-gnu-debuglink=foo.dbg foo' to add a link to the debugging info into the stripped executable. Note--the choice of `.dbg' as an extension for the debug info file is arbitrary. Also the `--only-keep-debug' step is optional. You could instead do this: 1. Link the executable as normal. 2. Copy `foo' to `foo.full' 3. Run `strip --strip-debug foo' 4. Run `objcopy --add-gnu-debuglink=foo.full foo' i.e., the file pointed to by the `--add-gnu-debuglink' can be the full executable. It does not have to be a file created by the `--only-keep-debug' switch. Note--this switch is only intended for use on fully linked files. It does not make sense to use it on object files where the debugging information may be incomplete. Besides the gnu_debuglink feature currently only supports the presence of one filename containing debugging information, not multiple filenames on a one-per-object-file basis. `-V' `--version' Show the version number for `strip'. `-v' `--verbose' Verbose output: list all object files modified. In the case of archives, `strip -v' lists all members of the archive.  File: binutils.info, Node: c++filt, Next: addr2line, Prev: strip, Up: Top 9 c++filt ********* c++filt [`-_'|`--strip-underscores'] [`-n'|`--no-strip-underscores'] [`-p'|`--no-params'] [`-t'|`--types'] [`-i'|`--no-verbose'] [`-s' FORMAT|`--format='FORMAT] [`--help'] [`--version'] [SYMBOL...] The C++ and Java languages provide function overloading, which means that you can write many functions with the same name, providing that each function takes parameters of different types. In order to be able to distinguish these similarly named functions C++ and Java encode them into a low-level assembler name which uniquely identifies each different version. This process is known as "mangling". The `c++filt' (1) program does the inverse mapping: it decodes ("demangles") low-level names into user-level names so that they can be read. Every alphanumeric word (consisting of letters, digits, underscores, dollars, or periods) seen in the input is a potential mangled name. If the name decodes into a C++ name, the C++ name replaces the low-level name in the output, otherwise the original word is output. In this way you can pass an entire assembler source file, containing mangled names, through `c++filt' and see the same source file containing demangled names. You can also use `c++filt' to decipher individual symbols by passing them on the command line: c++filt SYMBOL If no SYMBOL arguments are given, `c++filt' reads symbol names from the standard input instead. All the results are printed on the standard output. The difference between reading names from the command line versus reading names from the standard input is that command line arguments are expected to be just mangled names and no checking is performed to separate them from surrounding text. Thus for example: c++filt -n _Z1fv will work and demangle the name to "f()" whereas: c++filt -n _Z1fv, will not work. (Note the extra comma at the end of the mangled name which makes it invalid). This command however will work: echo _Z1fv, | c++filt -n and will display "f(),", i.e., the demangled name followed by a trailing comma. This behaviour is because when the names are read from the standard input it is expected that they might be part of an assembler source file where there might be extra, extraneous characters trailing after a mangled name. For example: .type _Z1fv, @function `-_' `--strip-underscores' On some systems, both the C and C++ compilers put an underscore in front of every name. For example, the C name `foo' gets the low-level name `_foo'. This option removes the initial underscore. Whether `c++filt' removes the underscore by default is target dependent. `-j' `--java' Prints demangled names using Java syntax. The default is to use C++ syntax. `-n' `--no-strip-underscores' Do not remove the initial underscore. `-p' `--no-params' When demangling the name of a function, do not display the types of the function's parameters. `-t' `--types' Attempt to demangle types as well as function names. This is disabled by default since mangled types are normally only used internally in the compiler, and they can be confused with non-mangled names. For example, a function called "a" treated as a mangled type name would be demangled to "signed char". `-i' `--no-verbose' Do not include implementation details (if any) in the demangled output. `-s FORMAT' `--format=FORMAT' `c++filt' can decode various methods of mangling, used by different compilers. The argument to this option selects which method it uses: `auto' Automatic selection based on executable (the default method) `gnu' the one used by the GNU C++ compiler (g++) `lucid' the one used by the Lucid compiler (lcc) `arm' the one specified by the C++ Annotated Reference Manual `hp' the one used by the HP compiler (aCC) `edg' the one used by the EDG compiler `gnu-v3' the one used by the GNU C++ compiler (g++) with the V3 ABI. `java' the one used by the GNU Java compiler (gcj) `gnat' the one used by the GNU Ada compiler (GNAT). `--help' Print a summary of the options to `c++filt' and exit. `--version' Print the version number of `c++filt' and exit. _Warning:_ `c++filt' is a new utility, and the details of its user interface are subject to change in future releases. In particular, a command-line option may be required in the future to decode a name passed as an argument on the command line; in other words, c++filt SYMBOL may in a future release become c++filt OPTION SYMBOL ---------- Footnotes ---------- (1) MS-DOS does not allow `+' characters in file names, so on MS-DOS this program is named `CXXFILT'.  File: binutils.info, Node: addr2line, Next: nlmconv, Prev: c++filt, Up: Top 10 addr2line ************ addr2line [`-b' BFDNAME|`--target='BFDNAME] [`-C'|`--demangle'[=STYLE]] [`-e' FILENAME|`--exe='FILENAME] [`-f'|`--functions'] [`-s'|`--basename'] [`-i'|`--inlines'] [`-j'|`--section='NAME] [`-H'|`--help'] [`-V'|`--version'] [addr addr ...] `addr2line' translates addresses into file names and line numbers. Given an address in an executable or an offset in a section of a relocatable object, it uses the debugging information to figure out which file name and line number are associated with it. The executable or relocatable object to use is specified with the `-e' option. The default is the file `a.out'. The section in the relocatable object to use is specified with the `-j' option. `addr2line' has two modes of operation. In the first, hexadecimal addresses are specified on the command line, and `addr2line' displays the file name and line number for each address. In the second, `addr2line' reads hexadecimal addresses from standard input, and prints the file name and line number for each address on standard output. In this mode, `addr2line' may be used in a pipe to convert dynamically chosen addresses. The format of the output is `FILENAME:LINENO'. The file name and line number for each address is printed on a separate line. If the `-f' option is used, then each `FILENAME:LINENO' line is preceded by a `FUNCTIONNAME' line which is the name of the function containing the address. If the file name or function name can not be determined, `addr2line' will print two question marks in their place. If the line number can not be determined, `addr2line' will print 0. The long and short forms of options, shown here as alternatives, are equivalent. `-b BFDNAME' `--target=BFDNAME' Specify that the object-code format for the object files is BFDNAME. `-C' `--demangle[=STYLE]' Decode ("demangle") low-level symbol names into user-level names. Besides removing any initial underscore prepended by the system, this makes C++ function names readable. Different compilers have different mangling styles. The optional demangling style argument can be used to choose an appropriate demangling style for your compiler. *Note c++filt::, for more information on demangling. `-e FILENAME' `--exe=FILENAME' Specify the name of the executable for which addresses should be translated. The default file is `a.out'. `-f' `--functions' Display function names as well as file and line number information. `-s' `--basenames' Display only the base of each file name. `-i' `--inlines' If the address belongs to a function that was inlined, the source information for all enclosing scopes back to the first non-inlined function will also be printed. For example, if `main' inlines `callee1' which inlines `callee2', and address is from `callee2', the source information for `callee1' and `main' will also be printed. `-j' `--section' Read offsets relative to the specified section instead of absolute addresses.  File: binutils.info, Node: nlmconv, Next: windres, Prev: addr2line, Up: Top 11 nlmconv ********** `nlmconv' converts a relocatable object file into a NetWare Loadable Module. _Warning:_ `nlmconv' is not always built as part of the binary utilities, since it is only useful for NLM targets. nlmconv [`-I' BFDNAME|`--input-target='BFDNAME] [`-O' BFDNAME|`--output-target='BFDNAME] [`-T' HEADERFILE|`--header-file='HEADERFILE] [`-d'|`--debug'] [`-l' LINKER|`--linker='LINKER] [`-h'|`--help'] [`-V'|`--version'] INFILE OUTFILE `nlmconv' converts the relocatable `i386' object file INFILE into the NetWare Loadable Module OUTFILE, optionally reading HEADERFILE for NLM header information. For instructions on writing the NLM command file language used in header files, see the `linkers' section, `NLMLINK' in particular, of the `NLM Development and Tools Overview', which is part of the NLM Software Developer's Kit ("NLM SDK"), available from Novell, Inc. `nlmconv' uses the GNU Binary File Descriptor library to read INFILE; see *Note BFD: (ld.info)BFD, for more information. `nlmconv' can perform a link step. In other words, you can list more than one object file for input if you list them in the definitions file (rather than simply specifying one input file on the command line). In this case, `nlmconv' calls the linker for you. `-I BFDNAME' `--input-target=BFDNAME' Object format of the input file. `nlmconv' can usually determine the format of a given file (so no default is necessary). *Note Target Selection::, for more information. `-O BFDNAME' `--output-target=BFDNAME' Object format of the output file. `nlmconv' infers the output format based on the input format, e.g. for a `i386' input file the output format is `nlm32-i386'. *Note Target Selection::, for more information. `-T HEADERFILE' `--header-file=HEADERFILE' Reads HEADERFILE for NLM header information. For instructions on writing the NLM command file language used in header files, see see the `linkers' section, of the `NLM Development and Tools Overview', which is part of the NLM Software Developer's Kit, available from Novell, Inc. `-d' `--debug' Displays (on standard error) the linker command line used by `nlmconv'. `-l LINKER' `--linker=LINKER' Use LINKER for any linking. LINKER can be an absolute or a relative pathname. `-h' `--help' Prints a usage summary. `-V' `--version' Prints the version number for `nlmconv'.  File: binutils.info, Node: windmc, Next: dlltool, Prev: windres, Up: Top 12 windmc ********* `windmc' may be used to generator Windows message resources. _Warning:_ `windmc' is not always built as part of the binary utilities, since it is only useful for Windows targets. windmc [options] input-file `windmc' reads message definitions from an input file (.mc) and translate them into a set of output files. The output files may be of four kinds: `h' A C header file containing the message definitions. `rc' A resource file compilable by the `windres' tool. `bin' One or more binary files containing the resource data for a specific message language. `dbg' A C include file that maps message id's to their symbolic name. The exact description of these different formats is available in documentation from Microsoft. When `windmc' converts from the `mc' format to the `bin' format, `rc', `h', and optional `dbg' it is acting like the Windows Message Compiler. `-a' `--ascii_in' Specifies that the input file specified is ANSI. This is the default behaviour. `-A' `--ascii_out' Specifies that messages in the output `bin' files should be in ANSI format. `-b' `--binprefix' Specifies that `bin' filenames should have to be prefixed by the basename of the source file. `-c' `--customflag' Sets the customer bit in all message id's. `-C CODEPAGE' `--codepage_in CODEPAGE' Sets the default codepage to be used to convert input file to UTF16. The default is ocdepage 1252. `-d' `--decimal_values' Outputs the constants in the header file in decimal. Default is using hexadecimal output. `-e EXT' `--extension EXT' The extension for the header file. The default is .h extension. `-F TARGET' `--target TARGET' Specify the BFD format to use for a bin file as output. This is a BFD target name; you can use the `--help' option to see a list of supported targets. Normally `windmc' will use the default format, which is the first one listed by the `--help' option. *Note Target Selection::. `-h PATH' `--headerdir PATH' The target directory of the generated header file. The default is the current directory. `-H' `--help' Displays a list of command line options and then exits. `-m CHARACTERS' `--maxlength CHARACTERS' Instructs `windmc' to generate a warning if the length of any message exceeds the number specified. `-n' `--nullterminate' Terminate message text in `bin' files by zero. By default they are terminated by CR/LF. `-o' `--hresult_use' Not yet implemented. Instructs `windmc' to generate an OLE2 header file, using HRESULT definitions. Status codes are used if the flag is not specified. `-O CODEPAGE' `--codepage_out CODEPAGE' Sets the default codepage to be used to output text files. The default is ocdepage 1252. `-r PATH' `--rcdir PATH' The target directory for the generated `rc' script and the generated `bin' files that the resource compiler script includes. The default is the current directory. `-u' `--unicode_in' Specifies that the input file is UTF16. `-U' `--unicode_out' Specifies that messages in the output `bin' file should be in UTF16 format. This is the default behaviour. `-v' `--verbose' Enable verbose mode. `-V' `--version' Prints the version number for `windmc'. `-x PATH' `--xdgb PATH' The path of the `dbg' C include file that maps message id's to the symbolic name. No such file is generated without specifying the switch.  File: binutils.info, Node: windres, Next: windmc, Prev: nlmconv, Up: Top 13 windres ********** `windres' may be used to manipulate Windows resources. _Warning:_ `windres' is not always built as part of the binary utilities, since it is only useful for Windows targets. windres [options] [input-file] [output-file] `windres' reads resources from an input file and copies them into an output file. Either file may be in one of three formats: `rc' A text format read by the Resource Compiler. `res' A binary format generated by the Resource Compiler. `coff' A COFF object or executable. The exact description of these different formats is available in documentation from Microsoft. When `windres' converts from the `rc' format to the `res' format, it is acting like the Windows Resource Compiler. When `windres' converts from the `res' format to the `coff' format, it is acting like the Windows `CVTRES' program. When `windres' generates an `rc' file, the output is similar but not identical to the format expected for the input. When an input `rc' file refers to an external filename, an output `rc' file will instead include the file contents. If the input or output format is not specified, `windres' will guess based on the file name, or, for the input file, the file contents. A file with an extension of `.rc' will be treated as an `rc' file, a file with an extension of `.res' will be treated as a `res' file, and a file with an extension of `.o' or `.exe' will be treated as a `coff' file. If no output file is specified, `windres' will print the resources in `rc' format to standard output. The normal use is for you to write an `rc' file, use `windres' to convert it to a COFF object file, and then link the COFF file into your application. This will make the resources described in the `rc' file available to Windows. `-i FILENAME' `--input FILENAME' The name of the input file. If this option is not used, then `windres' will use the first non-option argument as the input file name. If there are no non-option arguments, then `windres' will read from standard input. `windres' can not read a COFF file from standard input. `-o FILENAME' `--output FILENAME' The name of the output file. If this option is not used, then `windres' will use the first non-option argument, after any used for the input file name, as the output file name. If there is no non-option argument, then `windres' will write to standard output. `windres' can not write a COFF file to standard output. Note, for compatibility with `rc' the option `-fo' is also accepted, but its use is not recommended. `-J FORMAT' `--input-format FORMAT' The input format to read. FORMAT may be `res', `rc', or `coff'. If no input format is specified, `windres' will guess, as described above. `-O FORMAT' `--output-format FORMAT' The output format to generate. FORMAT may be `res', `rc', or `coff'. If no output format is specified, `windres' will guess, as described above. `-F TARGET' `--target TARGET' Specify the BFD format to use for a COFF file as input or output. This is a BFD target name; you can use the `--help' option to see a list of supported targets. Normally `windres' will use the default format, which is the first one listed by the `--help' option. *Note Target Selection::. `--preprocessor PROGRAM' When `windres' reads an `rc' file, it runs it through the C preprocessor first. This option may be used to specify the preprocessor to use, including any leading arguments. The default preprocessor argument is `gcc -E -xc-header -DRC_INVOKED'. `-I DIRECTORY' `--include-dir DIRECTORY' Specify an include directory to use when reading an `rc' file. `windres' will pass this to the preprocessor as an `-I' option. `windres' will also search this directory when looking for files named in the `rc' file. If the argument passed to this command matches any of the supported FORMATS (as described in the `-J' option), it will issue a deprecation warning, and behave just like the `-J' option. New programs should not use this behaviour. If a directory happens to match a FORMAT, simple prefix it with `./' to disable the backward compatibility. `-D TARGET' `--define SYM[=VAL]' Specify a `-D' option to pass to the preprocessor when reading an `rc' file. `-U TARGET' `--undefine SYM' Specify a `-U' option to pass to the preprocessor when reading an `rc' file. `-r' Ignored for compatibility with rc. `-v' Enable verbose mode. This tells you what the preprocessor is if you didn't specify one. `-c VAL' `--codepage VAL' Specify the default codepage to use when reading an `rc' file. VAL should be a hexadecimal prefixed by `0x' or decimal codepage code. The valid range is from zero up to 0xffff, but the validity of the codepage is host and configuration dependent. `-l VAL' `--language VAL' Specify the default language to use when reading an `rc' file. VAL should be a hexadecimal language code. The low eight bits are the language, and the high eight bits are the sublanguage. `--use-temp-file' Use a temporary file to instead of using popen to read the output of the preprocessor. Use this option if the popen implementation is buggy on the host (eg., certain non-English language versions of Windows 95 and Windows 98 are known to have buggy popen where the output will instead go the console). `--no-use-temp-file' Use popen, not a temporary file, to read the output of the preprocessor. This is the default behaviour. `-h' `--help' Prints a usage summary. `-V' `--version' Prints the version number for `windres'. `--yydebug' If `windres' is compiled with `YYDEBUG' defined as `1', this will turn on parser debugging.  File: binutils.info, Node: dlltool, Next: Common Options, Prev: windmc, Up: Top 14 dlltool ********** `dlltool' is used to create the files needed to create dynamic link libraries (DLLs) on systems which understand PE format image files such as Windows. A DLL contains an export table which contains information that the runtime loader needs to resolve references from a referencing program. The export table is generated by this program by reading in a `.def' file or scanning the `.a' and `.o' files which will be in the DLL. A `.o' file can contain information in special `.drectve' sections with export information. _Note:_ `dlltool' is not always built as part of the binary utilities, since it is only useful for those targets which support DLLs. dlltool [`-d'|`--input-def' DEF-FILE-NAME] [`-b'|`--base-file' BASE-FILE-NAME] [`-e'|`--output-exp' EXPORTS-FILE-NAME] [`-z'|`--output-def' DEF-FILE-NAME] [`-l'|`--output-lib' LIBRARY-FILE-NAME] [`--export-all-symbols'] [`--no-export-all-symbols'] [`--exclude-symbols' LIST] [`--no-default-excludes'] [`-S'|`--as' PATH-TO-ASSEMBLER] [`-f'|`--as-flags' OPTIONS] [`-D'|`--dllname' NAME] [`-m'|`--machine' MACHINE] [`-a'|`--add-indirect'] [`-U'|`--add-underscore'] [`--add-stdcall-underscore'] [`-k'|`--kill-at'] [`-A'|`--add-stdcall-alias'] [`-p'|`--ext-prefix-alias' PREFIX] [`-x'|`--no-idata4'] [`-c'|`--no-idata5'] [`-i'|`--interwork'] [`-n'|`--nodelete'] [`-t'|`--temp-prefix' PREFIX] [`-v'|`--verbose'] [`-h'|`--help'] [`-V'|`--version'] [object-file ...] `dlltool' reads its inputs, which can come from the `-d' and `-b' options as well as object files specified on the command line. It then processes these inputs and if the `-e' option has been specified it creates a exports file. If the `-l' option has been specified it creates a library file and if the `-z' option has been specified it creates a def file. Any or all of the `-e', `-l' and `-z' options can be present in one invocation of dlltool. When creating a DLL, along with the source for the DLL, it is necessary to have three other files. `dlltool' can help with the creation of these files. The first file is a `.def' file which specifies which functions are exported from the DLL, which functions the DLL imports, and so on. This is a text file and can be created by hand, or `dlltool' can be used to create it using the `-z' option. In this case `dlltool' will scan the object files specified on its command line looking for those functions which have been specially marked as being exported and put entries for them in the `.def' file it creates. In order to mark a function as being exported from a DLL, it needs to have an `-export:' entry in the `.drectve' section of the object file. This can be done in C by using the asm() operator: asm (".section .drectve"); asm (".ascii \"-export:my_func\""); int my_func (void) { ... } The second file needed for DLL creation is an exports file. This file is linked with the object files that make up the body of the DLL and it handles the interface between the DLL and the outside world. This is a binary file and it can be created by giving the `-e' option to `dlltool' when it is creating or reading in a `.def' file. The third file needed for DLL creation is the library file that programs will link with in order to access the functions in the DLL. This file can be created by giving the `-l' option to dlltool when it is creating or reading in a `.def' file. `dlltool' builds the library file by hand, but it builds the exports file by creating temporary files containing assembler statements and then assembling these. The `-S' command line option can be used to specify the path to the assembler that dlltool will use, and the `-f' option can be used to pass specific flags to that assembler. The `-n' can be used to prevent dlltool from deleting these temporary assembler files when it is done, and if `-n' is specified twice then this will prevent dlltool from deleting the temporary object files it used to build the library. Here is an example of creating a DLL from a source file `dll.c' and also creating a program (from an object file called `program.o') that uses that DLL: gcc -c dll.c dlltool -e exports.o -l dll.lib dll.o gcc dll.o exports.o -o dll.dll gcc program.o dll.lib -o program The command line options have the following meanings: `-d FILENAME' `--input-def FILENAME' Specifies the name of a `.def' file to be read in and processed. `-b FILENAME' `--base-file FILENAME' Specifies the name of a base file to be read in and processed. The contents of this file will be added to the relocation section in the exports file generated by dlltool. `-e FILENAME' `--output-exp FILENAME' Specifies the name of the export file to be created by dlltool. `-z FILENAME' `--output-def FILENAME' Specifies the name of the `.def' file to be created by dlltool. `-l FILENAME' `--output-lib FILENAME' Specifies the name of the library file to be created by dlltool. `--export-all-symbols' Treat all global and weak defined symbols found in the input object files as symbols to be exported. There is a small list of symbols which are not exported by default; see the `--no-default-excludes' option. You may add to the list of symbols to not export by using the `--exclude-symbols' option. `--no-export-all-symbols' Only export symbols explicitly listed in an input `.def' file or in `.drectve' sections in the input object files. This is the default behaviour. The `.drectve' sections are created by `dllexport' attributes in the source code. `--exclude-symbols LIST' Do not export the symbols in LIST. This is a list of symbol names separated by comma or colon characters. The symbol names should not contain a leading underscore. This is only meaningful when `--export-all-symbols' is used. `--no-default-excludes' When `--export-all-symbols' is used, it will by default avoid exporting certain special symbols. The current list of symbols to avoid exporting is `DllMain@12', `DllEntryPoint@0', `impure_ptr'. You may use the `--no-default-excludes' option to go ahead and export these special symbols. This is only meaningful when `--export-all-symbols' is used. `-S PATH' `--as PATH' Specifies the path, including the filename, of the assembler to be used to create the exports file. `-f OPTIONS' `--as-flags OPTIONS' Specifies any specific command line options to be passed to the assembler when building the exports file. This option will work even if the `-S' option is not used. This option only takes one argument, and if it occurs more than once on the command line, then later occurrences will override earlier occurrences. So if it is necessary to pass multiple options to the assembler they should be enclosed in double quotes. `-D NAME' `--dll-name NAME' Specifies the name to be stored in the `.def' file as the name of the DLL when the `-e' option is used. If this option is not present, then the filename given to the `-e' option will be used as the name of the DLL. `-m MACHINE' `-machine MACHINE' Specifies the type of machine for which the library file should be built. `dlltool' has a built in default type, depending upon how it was created, but this option can be used to override that. This is normally only useful when creating DLLs for an ARM processor, when the contents of the DLL are actually encode using Thumb instructions. `-a' `--add-indirect' Specifies that when `dlltool' is creating the exports file it should add a section which allows the exported functions to be referenced without using the import library. Whatever the hell that means! `-U' `--add-underscore' Specifies that when `dlltool' is creating the exports file it should prepend an underscore to the names of _all_ exported symbols. `--add-stdcall-underscore' Specifies that when `dlltool' is creating the exports file it should prepend an underscore to the names of exported _stdcall_ functions. Variable names and non-stdcall function names are not modified. This option is useful when creating GNU-compatible import libs for third party DLLs that were built with MS-Windows tools. `-k' `--kill-at' Specifies that when `dlltool' is creating the exports file it should not append the string `@ '. These numbers are called ordinal numbers and they represent another way of accessing the function in a DLL, other than by name. `-A' `--add-stdcall-alias' Specifies that when `dlltool' is creating the exports file it should add aliases for stdcall symbols without `@ ' in addition to the symbols with `@ '. `-p' `--ext-prefix-alias PREFIX' Causes `dlltool' to create external aliases for all DLL imports with the specified prefix. The aliases are created for both external and import symbols with no leading underscore. `-x' `--no-idata4' Specifies that when `dlltool' is creating the exports and library files it should omit the `.idata4' section. This is for compatibility with certain operating systems. `-c' `--no-idata5' Specifies that when `dlltool' is creating the exports and library files it should omit the `.idata5' section. This is for compatibility with certain operating systems. `-i' `--interwork' Specifies that `dlltool' should mark the objects in the library file and exports file that it produces as supporting interworking between ARM and Thumb code. `-n' `--nodelete' Makes `dlltool' preserve the temporary assembler files it used to create the exports file. If this option is repeated then dlltool will also preserve the temporary object files it uses to create the library file. `-t PREFIX' `--temp-prefix PREFIX' Makes `dlltool' use PREFIX when constructing the names of temporary assembler and object files. By default, the temp file prefix is generated from the pid. `-v' `--verbose' Make dlltool describe what it is doing. `-h' `--help' Displays a list of command line options and then exits. `-V' `--version' Displays dlltool's version number and then exits. * Menu: * def file format:: The format of the dlltool `.def' file  File: binutils.info, Node: def file format, Up: dlltool 14.1 The format of the `dlltool' `.def' file ============================================ A `.def' file contains any number of the following commands: `NAME' NAME `[ ,' BASE `]' The result is going to be named NAME`.exe'. `LIBRARY' NAME `[ ,' BASE `]' The result is going to be named NAME`.dll'. `EXPORTS ( ( (' NAME1 `[ = ' NAME2 `] ) | ( ' NAME1 `=' MODULE-NAME `.' EXTERNAL-NAME `) )' `[' INTEGER `] [ NONAME ] [ CONSTANT ] [ DATA ] [ PRIVATE ] ) *' Declares NAME1 as an exported symbol from the DLL, with optional ordinal number INTEGER, or declares NAME1 as an alias (forward) of the function EXTERNAL-NAME in the DLL MODULE-NAME. `IMPORTS ( (' INTERNAL-NAME `=' MODULE-NAME `.' INTEGER `) | [' INTERNAL-NAME `= ]' MODULE-NAME `.' EXTERNAL-NAME `) ) *' Declares that EXTERNAL-NAME or the exported function whose ordinal number is INTEGER is to be imported from the file MODULE-NAME. If INTERNAL-NAME is specified then this is the name that the imported function will be referred to in the body of the DLL. `DESCRIPTION' STRING Puts STRING into the output `.exp' file in the `.rdata' section. `STACKSIZE' NUMBER-RESERVE `[, ' NUMBER-COMMIT `]' `HEAPSIZE' NUMBER-RESERVE `[, ' NUMBER-COMMIT `]' Generates `--stack' or `--heap' NUMBER-RESERVE,NUMBER-COMMIT in the output `.drectve' section. The linker will see this and act upon it. `CODE' ATTR `+' `DATA' ATTR `+' `SECTIONS (' SECTION-NAME ATTR` + ) *' Generates `--attr' SECTION-NAME ATTR in the output `.drectve' section, where ATTR is one of `READ', `WRITE', `EXECUTE' or `SHARED'. The linker will see this and act upon it.  File: binutils.info, Node: readelf, Next: size, Prev: ranlib, Up: Top 15 readelf ********** readelf [`-a'|`--all'] [`-h'|`--file-header'] [`-l'|`--program-headers'|`--segments'] [`-S'|`--section-headers'|`--sections'] [`-g'|`--section-groups'] [`-t'|`--section-details'] [`-e'|`--headers'] [`-s'|`--syms'|`--symbols'] [`-n'|`--notes'] [`-r'|`--relocs'] [`-u'|`--unwind'] [`-d'|`--dynamic'] [`-V'|`--version-info'] [`-A'|`--arch-specific'] [`-D'|`--use-dynamic'] [`-x' |`--hex-dump='] [`-p' |`--string-dump='] [`-c'|`--archive-index'] [`-w[lLiaprmfFsoR]'| `--debug-dump'[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=frames-interp,=str,=loc,=Ranges]] [`-I'|`-histogram'] [`-v'|`--version'] [`-W'|`--wide'] [`-H'|`--help'] ELFFILE... `readelf' displays information about one or more ELF format object files. The options control what particular information to display. ELFFILE... are the object files to be examined. 32-bit and 64-bit ELF files are supported, as are archives containing ELF files. This program performs a similar function to `objdump' but it goes into more detail and it exists independently of the BFD library, so if there is a bug in BFD then readelf will not be affected. The long and short forms of options, shown here as alternatives, are equivalent. At least one option besides `-v' or `-H' must be given. `-a' `--all' Equivalent to specifying `--file-header', `--program-headers', `--sections', `--symbols', `--relocs', `--dynamic', `--notes' and `--version-info'. `-h' `--file-header' Displays the information contained in the ELF header at the start of the file. `-l' `--program-headers' `--segments' Displays the information contained in the file's segment headers, if it has any. `-S' `--sections' `--section-headers' Displays the information contained in the file's section headers, if it has any. `-g' `--section-groups' Displays the information contained in the file's section groups, if it has any. `-t' `--section-details' Displays the detailed section information. Implies `-S'. `-s' `--symbols' `--syms' Displays the entries in symbol table section of the file, if it has one. `-e' `--headers' Display all the headers in the file. Equivalent to `-h -l -S'. `-n' `--notes' Displays the contents of the NOTE segments and/or sections, if any. `-r' `--relocs' Displays the contents of the file's relocation section, if it has one. `-u' `--unwind' Displays the contents of the file's unwind section, if it has one. Only the unwind sections for IA64 ELF files are currently supported. `-d' `--dynamic' Displays the contents of the file's dynamic section, if it has one. `-V' `--version-info' Displays the contents of the version sections in the file, it they exist. `-A' `--arch-specific' Displays architecture-specific information in the file, if there is any. `-D' `--use-dynamic' When displaying symbols, this option makes `readelf' use the symbol table in the file's dynamic section, rather than the one in the symbols section. `-x ' `--hex-dump=' Displays the contents of the indicated section as a hexadecimal dump. A number identifies a particular section by index in the section table; any other string identifies all sections with that name in the object file. `-p ' `--string-dump=' Displays the contents of the indicated section as printable strings. A number identifies a particular section by index in the section table; any other string identifies all sections with that name in the object file. `-c' `--archive-index' Displays the file symbol index infomation contained in the header part of binary archives. Performs the same function as the `t' command to `ar', but without using the BFD library. *Note ar::. `-w[lLiaprmfFsoR]' `--debug-dump[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=frames-interp,=str,=loc,=Ranges]' Displays the contents of the debug sections in the file, if any are present. If one of the optional letters or words follows the switch then only data found in those specific sections will be dumped. Note: the `=decodedline' option will display the interpreted contents of a .debug_line section whereas the `=rawline' option dumps the contents in a raw format. `-I' `--histogram' Display a histogram of bucket list lengths when displaying the contents of the symbol tables. `-v' `--version' Display the version number of readelf. `-W' `--wide' Don't break output lines to fit into 80 columns. By default `readelf' breaks section header and segment listing lines for 64-bit ELF files, so that they fit into 80 columns. This option causes `readelf' to print each section header resp. each segment one a single line, which is far more readable on terminals wider than 80 columns. `-H' `--help' Display the command line options understood by `readelf'.  File: binutils.info, Node: Common Options, Next: Selecting the Target System, Prev: dlltool, Up: Top 16 Common Options ***************** The following command-line options are supported by all of the programs described in this manual. `@FILE' Read command-line options from FILE. The options read are inserted in place of the original @FILE option. If FILE does not exist, or cannot be read, then the option will be treated literally, and not removed. Options in FILE are separated by whitespace. A whitespace character may be included in an option by surrounding the entire option in either single or double quotes. Any character (including a backslash) may be included by prefixing the character to be included with a backslash. The FILE may itself contain additional @FILE options; any such options will be processed recursively. `--help' Display the command-line options supported by the program. `--version' Display the version number of the program.  File: binutils.info, Node: Selecting the Target System, Next: Reporting Bugs, Prev: Common Options, Up: Top 17 Selecting the Target System ****************************** You can specify two aspects of the target system to the GNU binary file utilities, each in several ways: * the target * the architecture In the following summaries, the lists of ways to specify values are in order of decreasing precedence. The ways listed first override those listed later. The commands to list valid values only list the values for which the programs you are running were configured. If they were configured with `--enable-targets=all', the commands list most of the available values, but a few are left out; not all targets can be configured in at once because some of them can only be configured "native" (on hosts with the same type as the target system). * Menu: * Target Selection:: * Architecture Selection::  File: binutils.info, Node: Target Selection, Next: Architecture Selection, Up: Selecting the Target System 17.1 Target Selection ===================== A "target" is an object file format. A given target may be supported for multiple architectures (*note Architecture Selection::). A target selection may also have variations for different operating systems or architectures. The command to list valid target values is `objdump -i' (the first column of output contains the relevant information). Some sample values are: `a.out-hp300bsd', `ecoff-littlemips', `a.out-sunos-big'. You can also specify a target using a configuration triplet. This is the same sort of name that is passed to `configure' to specify a target. When you use a configuration triplet as an argument, it must be fully canonicalized. You can see the canonical version of a triplet by running the shell script `config.sub' which is included with the sources. Some sample configuration triplets are: `m68k-hp-bsd', `mips-dec-ultrix', `sparc-sun-sunos'. `objdump' Target ---------------- Ways to specify: 1. command line option: `-b' or `--target' 2. environment variable `GNUTARGET' 3. deduced from the input file `objcopy' and `strip' Input Target ---------------------------------- Ways to specify: 1. command line options: `-I' or `--input-target', or `-F' or `--target' 2. environment variable `GNUTARGET' 3. deduced from the input file `objcopy' and `strip' Output Target ----------------------------------- Ways to specify: 1. command line options: `-O' or `--output-target', or `-F' or `--target' 2. the input target (see "`objcopy' and `strip' Input Target" above) 3. environment variable `GNUTARGET' 4. deduced from the input file `nm', `size', and `strings' Target ---------------------------------- Ways to specify: 1. command line option: `--target' 2. environment variable `GNUTARGET' 3. deduced from the input file  File: binutils.info, Node: Architecture Selection, Prev: Target Selection, Up: Selecting the Target System 17.2 Architecture Selection =========================== An "architecture" is a type of CPU on which an object file is to run. Its name may contain a colon, separating the name of the processor family from the name of the particular CPU. The command to list valid architecture values is `objdump -i' (the second column contains the relevant information). Sample values: `m68k:68020', `mips:3000', `sparc'. `objdump' Architecture ---------------------- Ways to specify: 1. command line option: `-m' or `--architecture' 2. deduced from the input file `objcopy', `nm', `size', `strings' Architecture ----------------------------------------------- Ways to specify: 1. deduced from the input file  File: binutils.info, Node: Reporting Bugs, Next: GNU Free Documentation License, Prev: Selecting the Target System, Up: Top 18 Reporting Bugs ***************** Your bug reports play an essential role in making the binary utilities reliable. Reporting a bug may help you by bringing a solution to your problem, or it may not. But in any case the principal function of a bug report is to help the entire community by making the next version of the binary utilities work better. Bug reports are your contribution to their maintenance. In order for a bug report to serve its purpose, you must include the information that enables us to fix the bug. * Menu: * Bug Criteria:: Have you found a bug? * Bug Reporting:: How to report bugs  File: binutils.info, Node: Bug Criteria, Next: Bug Reporting, Up: Reporting Bugs 18.1 Have You Found a Bug? ========================== If you are not sure whether you have found a bug, here are some guidelines: * If a binary utility gets a fatal signal, for any input whatever, that is a bug. Reliable utilities never crash. * If a binary utility produces an error message for valid input, that is a bug. * If you are an experienced user of binary utilities, your suggestions for improvement are welcome in any case.  File: binutils.info, Node: Bug Reporting, Prev: Bug Criteria, Up: Reporting Bugs 18.2 How to Report Bugs ======================= A number of companies and individuals offer support for GNU products. If you obtained the binary utilities from a support organization, we recommend you contact that organization first. You can find contact information for many support companies and individuals in the file `etc/SERVICE' in the GNU Emacs distribution. In any event, we also recommend that you send bug reports for the binary utilities to `http://www.sourceware.org/bugzilla/'. The fundamental principle of reporting bugs usefully is this: *report all the facts*. If you are not sure whether to state a fact or leave it out, state it! Often people omit facts because they think they know what causes the problem and assume that some details do not matter. Thus, you might assume that the name of a file you use in an example does not matter. Well, probably it does not, but one cannot be sure. Perhaps the bug is a stray memory reference which happens to fetch from the location where that pathname is stored in memory; perhaps, if the pathname were different, the contents of that location would fool the utility into doing the right thing despite the bug. Play it safe and give a specific, complete example. That is the easiest thing for you to do, and the most helpful. Keep in mind that the purpose of a bug report is to enable us to fix the bug if it is new to us. Therefore, always write your bug reports on the assumption that the bug has not been reported previously. Sometimes people give a few sketchy facts and ask, "Does this ring a bell?" This cannot help us fix a bug, so it is basically useless. We respond by asking for enough details to enable us to investigate. You might as well expedite matters by sending them to begin with. To enable us to fix the bug, you should include all these things: * The version of the utility. Each utility announces it if you start it with the `--version' argument. Without this, we will not know whether there is any point in looking for the bug in the current version of the binary utilities. * Any patches you may have applied to the source, including any patches made to the `BFD' library. * The type of machine you are using, and the operating system name and version number. * What compiler (and its version) was used to compile the utilities--e.g. "`gcc-2.7'". * The command arguments you gave the utility to observe the bug. To guarantee you will not omit something important, list them all. A copy of the Makefile (or the output from make) is sufficient. If we were to try to guess the arguments, we would probably guess wrong and then we might not encounter the bug. * A complete input file, or set of input files, that will reproduce the bug. If the utility is reading an object file or files, then it is generally most helpful to send the actual object files. If the source files were produced exclusively using GNU programs (e.g., `gcc', `gas', and/or the GNU `ld'), then it may be OK to send the source files rather than the object files. In this case, be sure to say exactly what version of `gcc', or whatever, was used to produce the object files. Also say how `gcc', or whatever, was configured. * A description of what behavior you observe that you believe is incorrect. For example, "It gets a fatal signal." Of course, if the bug is that the utility gets a fatal signal, then we will certainly notice it. But if the bug is incorrect output, we might not notice unless it is glaringly wrong. You might as well not give us a chance to make a mistake. Even if the problem you experience is a fatal signal, you should still say so explicitly. Suppose something strange is going on, such as your copy of the utility is out of sync, or you have encountered a bug in the C library on your system. (This has happened!) Your copy might crash and ours would not. If you told us to expect a crash, then when ours fails to crash, we would know that the bug was not happening for us. If you had not told us to expect a crash, then we would not be able to draw any conclusion from our observations. * If you wish to suggest changes to the source, send us context diffs, as generated by `diff' with the `-u', `-c', or `-p' option. Always send diffs from the old file to the new file. If you wish to discuss something in the `ld' source, refer to it by context, not by line number. The line numbers in our development sources will not match those in your sources. Your line numbers would convey no useful information to us. Here are some things that are not necessary: * A description of the envelope of the bug. Often people who encounter a bug spend a lot of time investigating which changes to the input file will make the bug go away and which changes will not affect it. This is often time consuming and not very useful, because the way we will find the bug is by running a single example under the debugger with breakpoints, not by pure deduction from a series of examples. We recommend that you save your time for something else. Of course, if you can find a simpler example to report _instead_ of the original one, that is a convenience for us. Errors in the output will be easier to spot, running under the debugger will take less time, and so on. However, simplification is not vital; if you do not want to do this, report the bug anyway and send us the entire test case you used. * A patch for the bug. A patch for the bug does help us if it is a good one. But do not omit the necessary information, such as the test case, on the assumption that a patch is all we need. We might see problems with your patch and decide to fix the problem another way, or we might not understand it at all. Sometimes with programs as complicated as the binary utilities it is very hard to construct an example that will make the program follow a certain path through the code. If you do not send us the example, we will not be able to construct one, so we will not be able to verify that the bug is fixed. And if we cannot understand what bug you are trying to fix, or why your patch should be an improvement, we will not install it. A test case will help us to understand. * A guess about what the bug is or what it depends on. Such guesses are usually wrong. Even we cannot guess right about such things without first using the debugger to find the facts.  File: binutils.info, Node: GNU Free Documentation License, Next: Binutils Index, Prev: Reporting Bugs, Up: Top Appendix A GNU Free Documentation License ***************************************** Version 1.2, November 2002 Copyright (C) 2000,2001,2002 Free Software Foundation, Inc. 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. 0. PREAMBLE The purpose of this License is to make a manual, textbook, or other functional and useful document "free" in the sense of freedom: to assure everyone the effective freedom to copy and redistribute it, with or without modifying it, either commercially or noncommercially. Secondarily, this License preserves for the author and publisher a way to get credit for their work, while not being considered responsible for modifications made by others. 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If the Document already includes a cover text for the same cover, previously added by you or by arrangement made by the same entity you are acting on behalf of, you may not add another; but you may replace the old one, on explicit permission from the previous publisher that added the old one. The author(s) and publisher(s) of the Document do not by this License give permission to use their names for publicity for or to assert or imply endorsement of any Modified Version. 5. COMBINING DOCUMENTS You may combine the Document with other documents released under this License, under the terms defined in section 4 above for modified versions, provided that you include in the combination all of the Invariant Sections of all of the original documents, unmodified, and list them all as Invariant Sections of your combined work in its license notice, and that you preserve all their Warranty Disclaimers. 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AGGREGATION WITH INDEPENDENT WORKS A compilation of the Document or its derivatives with other separate and independent documents or works, in or on a volume of a storage or distribution medium, is called an "aggregate" if the copyright resulting from the compilation is not used to limit the legal rights of the compilation's users beyond what the individual works permit. When the Document is included in an aggregate, this License does not apply to the other works in the aggregate which are not themselves derivative works of the Document. If the Cover Text requirement of section 3 is applicable to these copies of the Document, then if the Document is less than one half of the entire aggregate, the Document's Cover Texts may be placed on covers that bracket the Document within the aggregate, or the electronic equivalent of covers if the Document is in electronic form. Otherwise they must appear on printed covers that bracket the whole aggregate. 8. 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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled ``GNU Free Documentation License''. If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts, replace the "with...Texts." line with this: with the Invariant Sections being LIST THEIR TITLES, with the Front-Cover Texts being LIST, and with the Back-Cover Texts being LIST. If you have Invariant Sections without Cover Texts, or some other combination of the three, merge those two alternatives to suit the situation. If your document contains nontrivial examples of program code, we recommend releasing these examples in parallel under your choice of free software license, such as the GNU General Public License, to permit their use in free software.  File: binutils.info, Node: Binutils Index, Prev: GNU Free Documentation License, Up: Top Binutils Index ************** [index] * Menu: * .stab: objdump. (line 340) * addr2line: addr2line. (line 6) * address to file name and line number: addr2line. (line 6) * all header information, object file: objdump. (line 451) * ar: ar. (line 6) * ar compatibility: ar. (line 50) * architecture: objdump. (line 187) * architectures available: objdump. (line 172) * archive contents: ranlib. (line 6) * Archive file symbol index information: readelf. (line 138) * archive headers: objdump. (line 61) * archives: ar. (line 6) * base files: dlltool. (line 108) * bug criteria: Bug Criteria. (line 6) * bug reports: Bug Reporting. (line 6) * bugs: Reporting Bugs. (line 6) * bugs, reporting: Bug Reporting. (line 6) * c++filt: c++filt. (line 6) * changing object addresses: objcopy. (line 275) * changing section address: objcopy. (line 285) * changing section LMA: objcopy. (line 293) * changing section VMA: objcopy. (line 306) * changing start address: objcopy. (line 270) * collections of files: ar. (line 6) * compatibility, ar: ar. (line 50) * contents of archive: ar cmdline. (line 88) * crash: Bug Criteria. (line 9) * creating archives: ar cmdline. (line 129) * creating thin archive: ar cmdline. (line 182) * cxxfilt: c++filt. (line 14) * dates in archive: ar cmdline. (line 156) * debug symbols: objdump. (line 335) * debugging symbols: nm. (line 132) * deleting from archive: ar cmdline. (line 26) * demangling C++ symbols: c++filt. (line 6) * demangling in nm: nm. (line 140) * demangling in objdump <1>: addr2line. (line 55) * demangling in objdump: objdump. (line 89) * disassembling object code: objdump. (line 111) * disassembly architecture: objdump. (line 187) * disassembly endianness: objdump. (line 127) * disassembly, with source: objdump. (line 321) * discarding symbols: strip. (line 6) * DLL: dlltool. (line 6) * dlltool: dlltool. (line 6) * DWARF: objdump. (line 335) * dynamic relocation entries, in object file: objdump. (line 310) * dynamic symbol table entries, printing: objdump. (line 435) * dynamic symbols: nm. (line 152) * ELF dynamic section information: readelf. (line 104) * ELF file header information: readelf. (line 53) * ELF file information: readelf. (line 6) * ELF notes: readelf. (line 89) * ELF object file format: objdump. (line 340) * ELF program header information: readelf. (line 59) * ELF reloc information: readelf. (line 93) * ELF section group information: readelf. (line 70) * ELF section information: readelf. (line 65) * ELF segment information: readelf. (line 59) * ELF symbol table information: readelf. (line 80) * ELF version sections informations: readelf. (line 108) * endianness: objdump. (line 127) * error on valid input: Bug Criteria. (line 12) * external symbols: nm. (line 164) * extract from archive: ar cmdline. (line 103) * fatal signal: Bug Criteria. (line 9) * file name: nm. (line 126) * header information, all: objdump. (line 451) * input .def file: dlltool. (line 104) * input file name: nm. (line 126) * libraries: ar. (line 25) * listings strings: strings. (line 6) * machine instructions: objdump. (line 111) * moving in archive: ar cmdline. (line 34) * MRI compatibility, ar: ar scripts. (line 8) * name duplication in archive: ar cmdline. (line 97) * name length: ar. (line 18) * nm: nm. (line 6) * nm compatibility: nm. (line 136) * nm format: nm. (line 136) * not writing archive index: ar cmdline. (line 175) * objdump: objdump. (line 6) * object code format <1>: addr2line. (line 50) * object code format <2>: strings. (line 67) * object code format <3>: size. (line 84) * object code format <4>: objdump. (line 75) * object code format: nm. (line 228) * object file header: objdump. (line 133) * object file information: objdump. (line 6) * object file offsets: objdump. (line 138) * object file sections: objdump. (line 316) * object formats available: objdump. (line 172) * operations on archive: ar cmdline. (line 22) * printing from archive: ar cmdline. (line 46) * printing strings: strings. (line 6) * quick append to archive: ar cmdline. (line 54) * radix for section sizes: size. (line 66) * ranlib: ranlib. (line 6) * readelf: readelf. (line 6) * relative placement in archive: ar cmdline. (line 117) * relocation entries, in object file: objdump. (line 304) * removing symbols: strip. (line 6) * repeated names in archive: ar cmdline. (line 97) * replacement in archive: ar cmdline. (line 70) * reporting bugs: Reporting Bugs. (line 6) * scripts, ar: ar scripts. (line 8) * section addresses in objdump: objdump. (line 67) * section headers: objdump. (line 154) * section information: objdump. (line 177) * section sizes: size. (line 6) * sections, full contents: objdump. (line 316) * size: size. (line 6) * size display format: size. (line 27) * size number format: size. (line 66) * sorting symbols: nm. (line 183) * source code context: objdump. (line 147) * source disassembly: objdump. (line 321) * source file name: nm. (line 126) * source filenames for object files: objdump. (line 181) * stab: objdump. (line 340) * start-address: objdump. (line 350) * stop-address: objdump. (line 354) * strings: strings. (line 6) * strings, printing: strings. (line 6) * strip: strip. (line 6) * symbol index <1>: ranlib. (line 6) * symbol index: ar. (line 28) * symbol index, listing: nm. (line 198) * symbol line numbers: nm. (line 168) * symbol table entries, printing: objdump. (line 359) * symbols: nm. (line 6) * symbols, discarding: strip. (line 6) * thin archives: ar. (line 40) * undefined symbols: nm. (line 233) * Unix compatibility, ar: ar cmdline. (line 8) * unwind information: readelf. (line 98) * updating an archive: ar cmdline. (line 187) * version: Top. (line 6) * VMA in objdump: objdump. (line 67) * wide output, printing: objdump. (line 457) * writing archive index: ar cmdline. (line 169)  Tag Table: Node: Top1923 Node: ar3557 Node: ar cmdline6344 Node: ar scripts14724 Node: nm20412 Node: objcopy28917 Node: objdump54369 Node: ranlib72909 Node: size73730 Node: strings76735 Node: strip79187 Node: c++filt85138 Ref: c++filt-Footnote-190085 Node: addr2line90191 Node: nlmconv93462 Node: windmc96068 Node: windres99715 Node: dlltool105742 Node: def file format116579 Node: readelf118317 Node: Common Options123871 Node: Selecting the Target System124911 Node: Target Selection125843 Node: Architecture Selection127825 Node: Reporting Bugs128653 Node: Bug Criteria129432 Node: Bug Reporting129985 Node: GNU Free Documentation License136855 Node: Binutils Index159299  End Tag Table