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* Come up with startswith function.Martin Liska2021-05-122-3/+19
| | | | | | | New function in system.h that returns true if a string has a given prefix, false otherwise. Use it in place of strncmp. Signed-off-by: Martin Liška <mliska@suse.cz>
* Prepare for 0.183Mark Wielaard2021-02-052-1/+5
| | | | | | | | | Set version to 0.183 Update NEWS and elfutils.spec.in. Set copyright year in configure.ac and printversion. Regenerate po/*.po files. Signed-off-by: Mark Wielaard <mark@klomp.org>
* lib: consistently use _(Str) instead of gettext(Str)Dmitry V. Levin2020-12-164-4/+9
| | | | | | | | | | | | eu-config.h defines _(Str) to dgettext ("elfutils", Str) instead of a simple gettext (Str) for a reason: the library might be indirectly used by clients that called bindtextdomain with a domain different from "elfutils". The change was made automatically using the following command: $ git grep -l '\<gettext *(' lib |xargs sed -i 's/\<gettext *(/_(/g' Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
* Consistently define _(Str) using dgettext ("elfutils", Str)Dmitry V. Levin2020-12-163-5/+7
| | | | | | | | | | | | | | Move the definition of _(Str) macro to lib/eu-config.h which already provides a definition of N_(Str) macro. Since lib/eu-config.h is appended to config.h, it is included into every compilation unit and therefore both macros are now universally available. Remove all other definitions of N_(Str) and _(Str) macros from other files to avoid conflicts and redundancies. The next step is to replace all uses of gettext(Str) with _(Str). Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
* Switch from numerical to defined constants for permissions.Érico Rolim2020-11-032-0/+18
| | | | | | | | | | | Use defined constants for permission values. Also add fallback definitions for them in system.h, to allow for compatibility with systems that don't provide these macros. Include system.h in all tests/ files that required it. Signed-off-by: Érico Rolim <erico.erc@gmail.com> Signed-off-by: Mark Wielaard <mark@klomp.org>
* Prepare for 0.180elfutils-0.180Mark Wielaard2020-06-112-1/+5
| | | | | | | | | | Set version to 0.180. Update NEWS and elfutils.spec.in. Set copyright year in printversion. Regenerate po/*.po files. Update .gitignore. Signed-off-by: Mark Wielaard <mark@klomp.org>
* libdw: Add and use a concurrent version of the dynamic-size hash table.Srđan Milaković2019-11-084-2/+607
| | | | | Signed-off-by: Srđan Milaković <sm108@rice.edu> Signed-off-by: Mark Wielaard <mark@klomp.org>
* Add some supporting framework for C11-style atomics.Jonathon Anderson2019-10-224-1/+487
| | | | | | | Uses the stdatomic.h provided by FreeBSD when GCC doesn't (ie. GCC < 4.9) Signed-off-by: Jonathon Anderson <jma14@rice.edu> Signed-off-by: Srđan Milaković <sm108@rice.edu>
* Implement RISC-V disassemblerUlrich Drepper2019-09-062-3/+13
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* lib/color: Fix compilation with uClibcRosen Penev2019-05-052-1/+5
| | | | | | | elfutils passed -Werror and this call errors on uClibc with a mismatching pointer type. Cast to char * to fix. Signed-off-by: Rosen Penev <rosenp@gmail.com>
* libcpu: Recognize bpf jump variants BPF_JLT, BPF_JLE, BPF_JSLT and BPF_JSLEMark Wielaard2018-11-092-0/+8
| | | | | | | | | | | | | | | | | | Linux kernel 4.13 introduced 4 more jump class variants. commit 92b31a9af73b3a3fc801899335d6c47966351830 Author: Daniel Borkmann <daniel@iogearbox.net> Date: Thu Aug 10 01:39:55 2017 +0200 bpf: add BPF_J{LT,LE,SLT,SLE} instructions For conditional jumping on unsigned and signed < and <= between a register and another register or immediate. Add these new constants to bpf.h, recognize them in bpf_disasm and update the testfile-bpf-dis1.expect file. Signed-off-by: Mark Wielaard <mark@klomp.org>
* Consolidate error.h inclusion in system.hRoss Burton2018-07-054-2/+8
| | | | | | | | | error.h isn't standard and so isn't part of the musl C library. To easy future porting, consolidate the inclusion of error.h into system.h. https://sourceware.org/bugzilla/show_bug.cgi?id=21008 Signed-off-by: Ross Burton <ross.burton@intel.com>
* Prepare for 0.171.elfutils-0.171Mark Wielaard2018-06-012-2/+6
| | | | | | | Set version to 0.171. Update po/*.po files. Mention DWARF5, split dwarf and GNU DebugFission support in NEWS. Signed-off-by: Mark Wielaard <mark@klomp.org>
* Use fallthrough attribute.Joshua Watt2018-02-102-0/+11
| | | | | | | | | | | | | | | Use __attribute__ ((fallthrough)) to indicate switch case fall through instead of a comment. This ensures that the fallthrough warning is not triggered even if the file is pre-processed (hence stripping the comments) before it is compiled. The actual fallback implementation is hidden behind a FALLBACK macro in case the compiler doesn't support it. Finally, the -Wimplict-fallthrough warning was upgraded to only allow the attribute to satisfy it; a comment alone is no longer sufficient. Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
* lib: Remove md5 and sha1 implementations.Mark Wielaard2017-10-206-1023/+9
| | | | | | Only the testcase md5-sha1-test used them. So also remove that testcase. Signed-off-by: Mark Wielaard <mark@klomp.org>
* Make sure packed structs follow the gcc memory layoutUlf Hermann2017-09-202-0/+13
| | | | | | | | | | | | | | gcc defaults to using struct layouts that follow the native conventions, even if __attribute__((packed)) is given. In order to get the layout we expect, we need to tell gcc to always use the gcc struct layout, at least for packed structs. To do this, we can use the gcc_struct attribute. This is important, not only for porting to windows, but also potentially for other platforms, as the bugs resulting from struct layout differences are rather subtle and hard to find. Signed-off-by: Ulf Hermann <ulf.hermann@qt.io>
* Check if gcc complains about __attribute__ (visibility(..))Ulf Hermann2017-08-182-0/+9
| | | | | | | | | | | | | | | If so, define attribute_hidden to be empty. Also, use attribute_hidden in all places where we hide symbols. If this attribute is missing, it simply means that we cannot hide private symbols in the binary using attributes. This disables some optimizations and may increase the risk of symbol name clashes with other libraries, but is not fatal. However, we still employ linker version scripts to explicitly define the exported symbols. This serves much of the same purpose. Also, as all our symbols are prefixed with the library name, and "__" for private ones, the chance of clashes is low anyway. Signed-off-by: Ulf Hermann <ulf.hermann@qt.io>
* Check for -z,defs, -z,relro, -fPIC, -fPIE before using themUlf Hermann2017-08-182-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | Those flags are not available on all platforms, and omitting them when not available will not cause any harm. In particular: -z,defs disallows undefined symbols in object files. This option is unsupported if the target binary format enforces the same condition already. Furthermore it is only a compile time sanity check. When it is omitted, the same binary is produced. -z,relro instructs the loader to mark sections read-only after loading the library, where possible. This is a hardening mechanism. If it is unavailable, the functionality of the code is not affected in any way. -fPIC instructs the compiler to produce position independent code. While this is preferable to relocatable code, relocatable code also works and may even be faster. Relocatable code might just be loaded into memory multiple times for different processes. -fPIE is the same thing as -fPIC for executables rather than shared libraries. Signed-off-by: Ulf Hermann <ulf.hermann@qt.io>
* backends: Don't depend on linux/bpf.h to compile bpf disassembler.Mark Wielaard2017-07-243-1/+88
| | | | | | | | | We only need a few constants and one structure definition from linux/bpf. Just define those in a local lib/bpf.h file. This makes sure the bpf disassembler is always build and included even when elfutils is build on older GNU/Linux systems (and even on other platforms). Signed-off-by: Mark Wielaard <mark@klomp.org>
* Prepare for 0.169.elfutils-0.169Mark Wielaard2017-05-052-2/+6
| | | | | | | Set version to 0.169. Update copyright year. Update po/*.po files. And add user visible changes to new 0.169 NEWS section. Signed-off-by: Mark Wielaard <mark@klomp.org>
* Avoid double-including config.hUlf Hermann2017-05-023-4/+9
| | | | | | | | | | | | | | | | config.h doesn't have include guards, so including it twice is bad. We deal with this by checking for PACKAGE_NAME, but only in some places. Once we start using gnulib, we will need to include config.h before any gnulib-generated headers. This is problematic if we include it transitively through our own private headers. In order to set a clear rule about inclusion of config.h, it is now included in every .c file as first header, but not in any header. This will definitely avoid double-inclusion and satisfy the condition that it has to be included before gnulib headers. It comes at the price of adding some redundancy, but there is no clean way to avoid this. Signed-off-by: Ulf Hermann <ulf.hermann@qt.io>
* Move print_version into printversion.{h|c}Ulf Hermann2017-02-175-21/+65
| | | | | | | | Rename version.c so that the implementation is called after the header and the header doesn't clash with the toplevel version.h. print_version depends on argp and is only used in the tools. Signed-off-by: Ulf Hermann <ulf.hermann@qt.io>
* Check for existence of mempcpyUlf Hermann2017-02-173-1/+11
| | | | | | If it doesn't exist, provide a definition based on memcpy. Signed-off-by: Ulf Hermann <ulf.hermann@qt.io>
* Always use the same method to query the system page sizeUlf Hermann2017-02-152-1/+5
| | | | | | | This makes it easier to write a replacement for it on systems where sysconf(3) doesn't exist. Signed-off-by: Ulf Hermann <ulf.hermann@qt.io>
* Move color handling into a separate headerUlf Hermann2017-02-155-34/+72
| | | | | | | | We only need it in nm.c and objdump.c, but it pulls in argp as dependency. By dropping it from libeu.h, the libraries can be compiled without argp. Signed-off-by: Ulf Hermann <ulf.hermann@qt.io>
* Fix TEMP_FAILURE_RETRY definition when not defined.Luiz Angelo Daros de Luca2016-12-303-1/+7
| | | | | | https://sourceware.org/bugzilla/show_bug.cgi?id=21001 Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
* http://elfutils.org/ is now hosted at http://sourceware.org/elfutils/Mark Wielaard2016-12-244-2/+57
| | | | | | | | | | | | | | | | | fedorahosted used to be our home, but we are now hosted at sourceware. Change the elfutils project home to http://elfutils.org/ Point hosted services (email, release, git, bug tracker and web pages) to https://sourceware.org/elfutils/ Move design notes from README to NOTES. Add URLs for home, releases, bugs, git and mailinglist to README. Make the --version output of all tools the same by using a common print_version function and update the publicly shown copyright holder to the elfutils developers. Signed-off-by: Mark Wielaard <mark@klomp.org>
* Do not depend on some non-POSIX features.Akihiko Odaki2016-10-133-0/+29
| | | | | | | | Define/open code memrchr, rawmemchr, powerof2 and TEMP_FAILURE_RETRY if not available through system headers. Signed-off-by: Akihiko Odaki <akihiko.odaki.4i@stu.hosei.ac.jp> Signed-off-by: Mark Wielaard <mjw@redhat.com>
* lib: Provide MAX and MIN in system.hAkihiko Odaki2016-10-129-48/+106
| | | | | | | | | | This change also creates a new header file libeu.h to provide the prototypes for the function of libeu. That hides the definition of function crc32, which can conflict with zlib, from libelf. It also prevents mistakes to refer those functions from a component which doesn't link with libeu, such as libelf. Signed-off-by: Akihiko Odaki <akihiko.odaki.4i@stu.hosei.ac.jp>
* Use -fPIC instead of -fpic when generating PIC code.Jose E. Marchesi2015-10-062-1/+6
| | | | | | | This avoids relocation overflows in sparc/sparc64 targets while linking, where the reachable data using -fpic is only 4kb. Signed-off-by: Jose E. Marchesi <jose.marchesi@oracle.com>
* Remove old-style function definitions.Mark Wielaard2015-09-237-80/+38
| | | | | | | We already require -std=gnu99 and old-style function definitions might hide some compiler warnings. Signed-off-by: Mark Wielaard <mjw@redhat.com>
* Fix sanitize-undefined config check. Don't ALLOW_UNALIGNED when checking.Mark Wielaard2015-06-052-1/+6
| | | | | | | | | The -fsanitize=undefined check need to use AC_LINK_IFELSE to make sure libubsan is installed. When doing undefined checking we should disable ALLOW_UNALIGNED memory accesses to catch issues where we do unaligned accesses by accident. Signed-off-by: Mark Wielaard <mjw@redhat.com>
* Allow disabling symbol versioning at configure timeMax Filippov2015-04-232-3/+7
| | | | | | | | | | | | | Due to missing symbol versioning support in uClibc calls to versioned functions that internally call different version of themselves results in infinite recursion. Introduce macro SYMBOL_VERSIONING and use it instead of plain SHARED to decide whether symbol versioning is needed. Control this macro definition with new configure option --disable-symbol-versioning. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Mark Wielaard <mjw@redhat.com>
* lib: Add missing config.h #include to crc32_file.c.Lei Zhang2014-01-172-0/+8
| | | | | | Without config.h, there is no possibility of large file support. Signed-off-by: Mark Wielaard <mjw@redhat.com>
* lib: Avoid the hash-lookup division if possibleJosh Stone2013-12-132-2/+7
| | | | | | | | | | | | | For Dwarf_Abbrev codes, the most common case is that they're packed at the low end, saving uleb128 encoding size. Since the hash table is always resized to be no more than 90% full, those codes are always less than the table size, and dividing for the remainder is unnecessary. Dwarf_Dies are frequently created anew, and need to find abbrev each time, so even that one division becomes a noticeable hotspot. This patch adds a branch to avoid it, which is very predictable for the CPU. Signed-off-by: Josh Stone <jistone@redhat.com>
* New macro COMPAT_VERSION_NEWPROTO.Jan Kratochvil2013-04-302-0/+10
| | | | | | | lib/ * eu-config.h (COMPAT_VERSION_NEWPROTO): New. Twice. Signed-off-by: Jan Kratochvil <jan.kratochvil@redhat.com>
* Unify {BE,LE}{32,64} in lib/system.h.Jan Kratochvil2013-04-262-0/+9
| | | | | | | | | | | | lib/ * system.h (LE64, BE64): Move here the definitions from libdwfl/link_map.c. libdwfl/ * link_map.c (BE32, BE64, LE32, LE64): Delete the definitions, move them to lib/system.h. Signed-off-by: Jan Kratochvil <jan.kratochvil@redhat.com>
* Updates for Automake 1.13.Mark Wielaard2013-04-262-1/+5
| | | | | | | autoreconf will install config/test-driver, ignore it. Update gettext m4 and po files to version 0.18.2. Use AM_CPPFLAGS instead of INCLUDES. All changes are backward compatible with Automake 1.11.
* Handle partial read or write.Adam Markey2012-10-102-6/+61
| | | | | | | | | Ran into a situation where pread was returning less data than requested for remote files on a networked filesystem. This patch modifies the IO wrappers to request the remaining data as long as no real errors occured. Signed-off-by: Adam Markey <adam@etinternational.com> Signed-off-by: Mark Wielaard <mjw@redhat.com>
* lib/Jan Kratochvil2012-10-082-0/+11
| | | | | | | | | | system.h (eu_static_assert): New macro. libdw/ cfi.c: New include system.h. (execute_cfi) (enough_registers): Clear new memory after realloc. Signed-off-by: Jan Kratochvil <jan.kratochvil@redhat.com>
* Update name, license and contributor policy.Mark Wielaard2012-06-0518-500/+342
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Change name from "Red Hat elfutils" to "elfutils". * Update license of standalone tools and test from GPLv2 to GPLv3+. * Change license of libraries from GPLv2+exception to GPLv2/LGPLv3+. * Add Developer Certificate of Origin based contributor policy. top-level: - COPYING: Upgraded from GPLv2 to GPLv3. - CONTRIBUTING, COPYING-GPLv2, COPYING-LGPLv3: New files. - NEWS: Added note about new contribution and license policy. - Makefile.am: Updated to GPLv3, added new files to EXTRA_DIST. - configure.ac: Update to GPLv3, changed AC_INIT name to 'elfutils'. backends, lib, libasm, libcpu, libdw, libdwfl, libebl, libelf: - All files updated to GPLv2/LGPLv3+. Except some very small files (<5 lines) which didn't have any headers at all before, the linker .maps files and the libcpu/defs files which only contain data and libelf/elf.h which comes from glibc and is under LGPLv2+. config: - elfutils.spec.in: Add new License: headers and new %doc files. - Update all license headers to GPLv2/LGPLv3+ for files used by libs. src, tests: - All files updated to GPLv3+. Except for the test bz2 data files, the linker maps and script files and some very small files (<5 lines) that don't have any headers. Signed-off-by: Richard Fontana <rfontana@redhat.com> Signed-off-by: Mark Wielaard <mjw@redhat.com>
* Remove .mtn-ignore and .cvsignore files.Mark Wielaard2012-06-051-1/+0
| | | | We use .gitignore these days.
* Color code output of nm and objdumpUlrich Drepper2012-01-214-3/+272
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* Add demangling support to nmUlrich Drepper2011-10-022-0/+9
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* Clean up byte order handling in md5 and sha1 code.Roland McGrath2011-07-094-25/+54
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* Handle reading .debug_types section.Roland McGrath2010-06-163-17/+28
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* Clean up and consolidate automake magic to reduce duplication and to work ↵Roland McGrath2010-02-152-9/+8
| | | | with --disable-dependency-tracking.
* New macros for symbol versioning definitions, use them for libdw convenience ↵Roland McGrath2009-08-092-0/+21
| | | | wrappers just changed.
* Add multiple inclusion protection to eu-config.hRoland McGrath2009-01-232-0/+10
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* Move argp_program_version_hook and argp_program_bug_address variablesUlrich Drepper2009-01-172-1/+18
| | | | in all programs into the .rodata section.
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