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• Changes/Package information on ELF objects
  = Package information on ELF objects = All binaries (executables and shared libraries) are annotated with an ELF note that identifies the rpm for which this file was built. This allows bin
  28 KB (4,394 words) - 21:18, 13 January 2022

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• How to check for ABI changes in a package
  ...ble with the ABI of its previous version. That compatibility ensures that ELF binaries, that [https://en.wikipedia.org/wiki/Linker_%28computing%29 dynami ...the normal update process followed by maintainers of packages that contain ELF libraries.
  2 KB (322 words) - 11:25, 15 August 2017
• Toolchain/Watermark/RealBinarySeparateDebuginfo
  Separate debuginfo has an invalid ELF program header, but it is difficult to recognize at such. We receive occas
  314 bytes (44 words) - 10:35, 24 October 2016
• How to check for ABI changes with abidiff
  ...ps://en.wikipedia.org/wiki/Application_binary_interface ABIs] of two C/C++ ELF binaries. It does so by analyzing the content the ELF binaries themselves, including their debug information. It can pinpoint ABI
  2 KB (382 words) - 08:35, 20 November 2015
• Toolchain
  * [[Toolchain/Watermark|Markup for ELF objects]]
  925 bytes (111 words) - 18:17, 19 November 2018
• Toolchain/Watermark/SystemCalls
  If an object calls Linux system calls directly, it is not visible from its ELF symbols. For a quick check whether a binary is compatible with a certain k
  546 bytes (84 words) - 11:45, 9 November 2016
• How to check for ABI changes with abipkgdiff
  ...es the [https://en.wikipedia.org/wiki/Application_binary_interface ABI] of ELF binaries carried by two versions of a given package. It does so by analyzing the content the ELF binaries themselves, including their debug information. It can pinpoint ABI
  3 KB (445 words) - 09:59, 20 November 2015
• Architectures/RISC-V/64ILP32/zh-cn
  make ARCH=riscv CROSS_COMPILE=<YOUR PATH>/riscv/bin/riscv64-unknown-elf- k230_evb_linux_enable_vector_defconfig all make ARCH=riscv CROSS_COMPILE=<YOUR PATH>/riscv/bin/riscv64-unknown-elf- k230_evb_linux_enable_vector_defconfig 64ilp32.config all
  3 KB (287 words) - 17:45, 5 March 2024
• Toolchain/Watermark/DWARFCoverage
  If DWARF is used for [[Toolchain/Watermarking|ELF object markup]], it is necessary to ensure all code in an object is covered
  587 bytes (87 words) - 10:16, 24 October 2016
• Toolchain/Watermark/PIEDSO
  ...dynamic shared objects (DSOs). Both are marked <code>ET_DYN</code> in the ELF header, so it is not entirely obvious how to tell them apart. Also https://bugzilla.redhat.com/show_bug.cgi?id=1439328 /usr/include/elf.h is behind the times.
  863 bytes (134 words) - 16:21, 27 September 2017
• Changes/.got.plt Isolation
  ...definitely because the relevant standard body did not approve the required ELF changes.}} = Build non-RELRO ELF binaries with .got.plt isolation =
  6 KB (937 words) - 16:50, 24 July 2019
• How to check for ABI changes with abi compliance checker
  == procedure for comparing the ABIs of two ''Elf binaries'' ==
  5 KB (797 words) - 11:19, 15 August 2017
• Architectures/RISC-V/64ILP32
  make ARCH=riscv CROSS_COMPILE=<YOUR PATH>/riscv/bin/riscv64-unknown-elf- k230_evb_linux_enable_vector_defconfig all make ARCH=riscv CROSS_COMPILE=<YOUR PATH>/riscv/bin/riscv64-unknown-elf- k230_evb_linux_enable_vector_defconfig 64ilp32.config all
  4 KB (546 words) - 03:57, 6 March 2024
• Toolchain/Watermark
  == Markup for ELF objects == This project intends to add markers to ELF objects so that it is possible to determine whether they have certain prope
  15 KB (2,404 words) - 09:24, 28 March 2023
• Packaging:Debuginfo
  A useful debuginfo package contains stripped symbols from ELF binaries (<code>*.debug</code> in <code>/usr/lib/debug</code>) as well as t ...nder the hood after the <code>%install</code> section. Make sure that all ELF binaries (executables, shared libraries, DSO's) are executable at end of <c
  6 KB (890 words) - 19:56, 21 December 2018
• Changes/ParallelInstallableDebuginfo
  ...file /usr/lib/debug/.build-id/xx/yyyy...yyy which is a symlink to the main ELF file. ...r/lib/debug/.build-id/xx/yyyy...yyy.debug which is a symlink to the .debug ELF file.
  14 KB (2,305 words) - 16:44, 12 October 2017
• Security Features
  ...and Exec-Shield. The executable binary file on the system is protected by ELF hardening. Finally, SELinux policies are in place so that if httpd is crac == ELF (Executable and Linkable Format) Data Hardening ==
  9 KB (1,388 words) - 01:26, 31 December 2022
• Packaging:C and C++
  A: No. RPM will automatically determine what ELF libraries you need based on the binaries in your package. This is sufficien
  4 KB (582 words) - 03:38, 20 December 2018
• Summer Coding 2010 ideas - Universal Build-ID
  The main idea behind Build-IDs is to make elf files "self-identifying". ...le. Which means that it is unique among the set of meaningful contents for ELF files and identical when the output file would otherwise have been identica
  13 KB (2,217 words) - 09:11, 18 September 2016
• GlibcRawhideSync
  FAIL: elf/tst-debug1 =====FAIL: elf/tst-debug1.out=====
  19 KB (2,873 words) - 15:02, 23 May 2024
• Darkserver
  ...enable their analysis, debugging profiling, by finding out where the rpm / elf / dwarf files may be * elf-utils
  8 KB (1,268 words) - 04:09, 6 January 2021
• C and C++ v2
  ...ure yourself that dlopen is never called by the underlying implementation (ELF symbol interposition will not help you since the runtime elides this for in A: No. RPM will automatically determine what ELF libraries you need based on the binaries in your package. This is sufficien
  10 KB (1,551 words) - 02:28, 23 March 2019
• Changes/Package information on ELF objects
  = Package information on ELF objects = All binaries (executables and shared libraries) are annotated with an ELF note that identifies the rpm for which this file was built. This allows bin
  28 KB (4,394 words) - 21:18, 13 January 2022
• Changes/Broken RPATH will fail rpmbuild
  ...ath flag during compilation, which is called an RPATH. By utilizing RPATH, ELF files can point to directories to be included in the search path, on runtim Another problem of a hardcoded RPATH is security. When an ELF object contains an RPATH pointed to a directory not managed by the system,
  19 KB (2,974 words) - 07:47, 8 April 2022
• Architectures/RISC-V/GRUB2/zh-cn
  ...datetime diskfilter disk div div_test dm_nv echo efifwsetup efi_gop efinet elf eval exfat exfctest ext2 extcmd f2fs fat fdt file font fshelp functional_te
  4 KB (529 words) - 14:28, 6 September 2021
• Debuginfod
  This server provides ELF or DWARF debugging information, plus associated source code, covering all p
  4 KB (641 words) - 17:43, 19 August 2022
• Architectures/RISC-V/GRUB2
  ...datetime diskfilter disk div div_test dm_nv echo efifwsetup efi_gop efinet elf eval exfat exfctest ext2 extcmd f2fs fat fdt file font fshelp functional_te
  4 KB (598 words) - 18:33, 24 November 2021
• Changes/BINUTILS236
  * When setting the link order attribute of ELF sections, it is now * Add -z x86-64-{baseline|v[234]} to the x86 ELF linker to mark
  14 KB (2,095 words) - 20:17, 25 January 2021
• Releases/36/ChangeSet
  ===[[Changes/Package information on ELF objects | Package information on ELF objects]]=== All binaries (executables and shared libraries) are annotated with an ELF note that identifies the rpm for which this file was built. This allows bin
  21 KB (2,785 words) - 14:36, 10 May 2022
• Changes/CheckUpdatesABIChanges
  ...d detect potential harmful discrepancies there; all that by looking at the ELF binaries and their associated debug information
  5 KB (762 words) - 10:46, 30 June 2015
• ReleaseEngineering/Meetings/2009-jan-26
  ...D RAWHIDE, F11 Rawhide kernel fails to boot on ppc - /vmlinuz: Not a valid ELF image | style="color: #407a40" | there were 2 problems with ppc, ppc64 had a bad elf image, and ppc32 had non-working squashfs-utils
  16 KB (2,111 words) - 09:07, 18 September 2016
• Bundled Libraries
  ...brary occurs in by auditing source code or running a special tool over all elf files in all packages, then all of those packages have to be fixed, all of
  6 KB (977 words) - 19:54, 12 June 2021
• Changes/LLVM-18
  ...ssing script (brp-llvm-compile-to-elf) on the libraries to convert them to ELF code so they can be used by other packages. Enabling Fat LTO will allow us
  18 KB (2,882 words) - 00:50, 4 May 2024
• Changes/LLVM-19
  ...ssing script (brp-llvm-compile-to-elf) on the libraries to convert them to ELF code so they can be used by other packages. Enabling Fat LTO will allow us
  19 KB (3,023 words) - 04:27, 24 May 2024
• Toolchain/HardenAllPackagesProblems
  ...e mapped at a fixed address. (It is also unclear to what extend available ELF hardening features such as RELRO are applied to statically linked binaries.
  6 KB (956 words) - 11:19, 5 January 2017
• Changes/DebugInfoLldbIndex
  ...ccelerates loading of *.debug files by debugger. Fedora currently provides ELF section .gdb_index for [https://www.gnu.org/software/gdb/ GDB debugger]. [h Existing tools not supporting .debug_names will just ignore the additional ELF section. The only issue is current GDB would get confused by the clang .deb
  17 KB (2,724 words) - 20:37, 7 October 2020
• History of Red Hat Linux
  ...of RPM was written in Perl for quick development. First release using the ELF format for libraries and executables; previous releases used the "a.out" fo ...(The binary file format was still a.out for the Alpha platform because the ELF standard for Alpha was not yet ratified; there were no shared libraries on
  19 KB (2,977 words) - 22:12, 10 April 2024
• DebraDeutsch/Prototypes/Overview
  * ELF (Executable and Linkable Format) Data Hardening -- These are changes to the ...and Exec-Shield. The executable binary file on the system is protected by ELF hardening. Finally, SELinux policies are in place so that if httpd is crac
  16 KB (2,580 words) - 21:21, 20 September 2016
• Security Features Matrix
  ASLR is implemented by the kernel and the ELF data sections of an ELF/process. It is used to move commonly exploited structures
  98 KB (11,393 words) - 16:57, 4 October 2021
• Architectures/ARM/Fedora15 HardFP Bootstrap
  ...EON, and with Thumb2 instructions disabled. Due to the way in which AAELF (ELF bindings for ARM Architecture) and AAPCS, as well as Thumb interworking are ...ment. A later set of patches to RPM may use alternative logic based around ELF file sectional attributes on RPM itself, but not yet.
  27 KB (4,573 words) - 13:28, 18 September 2016
• DevConf.CZ 2012
  ...l - [http://people.redhat.com/mpolacek/src/devconf2012.pdf Introduction to ELF]/[http://people.redhat.com/jkratoch/gdb2012.pdf Introduction to GDB] ''(too || Marek Poláček, Jan Kratochvíl - Introduction to ELF || Tools || ELF overview, segments, sections, symbol visibility etc./GDB
  32 KB (4,839 words) - 14:17, 23 March 2019
• Changes/C CXX rpm macros package
  * brp-llvm-compile-lto-elf
  15 KB (2,423 words) - 08:25, 1 December 2021
• Changes/RemoveLaFiles
  ...data for library files and come from a time before the introduction of the ELF format. Today, they are only consumed by libtool itself. Refer to https://a
  17 KB (2,503 words) - 07:30, 16 February 2022
• Changes/DebuginfodByDefault
  It may reduce download server burden, as only individual ELF/DWARF/source files are downloaded rather than entire `-debuginfo` and `-deb
  15 KB (2,347 words) - 17:22, 21 September 2021
• Changes/Optimized Binaries for the AMD64 Architecture
  Note: the ELF format provides the IFUNC mechanism to dynamically select a variant of a fu
  17 KB (2,696 words) - 14:54, 30 January 2024
• Features/UsrMove/it
  ...quattro link simbolici di alto livello resteranno lì fintanto che l'ABI di elf loader di linux è definito da “/lib/ld-linux.so.2” o dalla controparte
  13 KB (1,966 words) - 14:23, 20 January 2016
• Changes/GNUToolchainF35
  ...ular the glibc merge of libpthread into libc will remove the dependency in ELF binaries on libpthread, and that cleanup is valuable for consistency.
  19 KB (2,994 words) - 15:11, 2 August 2021
• Changes/fno-omit-frame-pointer
  ...ress RFC will add support to binutils to attach a new ctf_frame section to ELF binaries containing unwinding information. This new unwinding format claims
  22 KB (3,500 words) - 22:50, 6 January 2023
• Python3.4GuidlinesDraft
  ...tified as "python" by the <code>file</code> utility, and the runtime is an ELF binary, not a python script, hence it isn't passed. It's simplest to manua
  36 KB (5,789 words) - 11:39, 9 October 2021
• DevConf.CZ 2011
  ...ebugging Tools Intro] || en/cz || Jan Kratochvíl || Introduction to DWARF, ELF, GDB/binutils, build-id etc.
  24 KB (3,510 words) - 14:15, 23 March 2019
• How to create an RPM package/zh-cn
  ...一些例外（如 Python 和 Perl），总的来说，Fedora 比其他发行版更严格遵守标准规范。<code>rpmlint</code> 会在将 ELF 以外的文件保存至 <code>/usr/lib</code> 目录时返回警告。
  61 KB (3,519 words) - 21:00, 19 September 2016
• How to create an RPM package/pt
  /usr/lib is for architecture-''dependent'' data (e.g., ELF files like .so files), while put just about anything other than ELF files into /usr/lib.
  77 KB (12,135 words) - 20:59, 19 September 2016
• How to create an RPM package/zh-tw
  ...例如 Python 和 Perl)，然而 Fedora 比起其他散佈版來說更嚴格遵守標準規範，<code>rpmlint</code> 一般會在你將 ELF 以外的檔案放進 <code>/usr/lib</code> 內時提出抱怨。
  66 KB (3,733 words) - 21:00, 19 September 2016
• How to create an RPM package/es
  ...rpmlint</code> generalmente se quejará si usted pone algo más que archivos ELF en <code>/usr/lib</code>.
  70 KB (10,913 words) - 20:59, 19 September 2016
• How to create an RPM package/it
  ...mlint</code> generalmente segnala se si mette qualcosa di diverso dai file ELF in <code>/usr/lib</code>.
  68 KB (9,692 words) - 20:59, 19 September 2016