Go to file
Alan Modra a86c6c1964 Put bfd_section_from_shdr loop detection array in elf_tdata
The static variables used by bfd_section_from_shdr to detect loops
in ELF sections have a problem:  Comparing a BFD pointer doesn't
guarantee that the current bfd is the same as the one previously used
to allocate the sections_being_created array.  For example, doing
   size bad_elf_1 bad_elf_2
with two corrupted ELF files containing section loops will leave the
section_being_created array allocated for the first file and since
bfd_close is called for bad_elf_1 before bfd_elf_2 is opened, it is
possible that the BFD for the second file is allocated in the same
memory as the first file.  If bad_elf_2 has more sections than
bad_elf_1 then we might write beyond the end of the array.

So this patch implements the FIXME Nick put in a comment about
attaching the array to the BFD.

	* elf-bfd.h (struct elf_obj_tdata): Add being_created.
	* elf.c (bfd_section_from_shdr): Delete static vars for loop
	detection.  Use new tdata variable instead.
	* elfcode.h (elf_object_p): Allocate being_created.
2020-12-14 23:36:19 +10:30
bfd Put bfd_section_from_shdr loop detection array in elf_tdata 2020-12-14 23:36:19 +10:30
binutils Update ELF headers and readelf with recent e_machine assignments. 2020-12-13 15:22:30 -08:00
config sync libiberty from gcc 2020-09-08 20:12:57 +09:30
contrib Import mklog.py from gcc repo 2020-09-25 10:24:44 -04:00
cpu Fix spelling mistakes 2020-10-05 14:20:15 +01:00
elfcpp gold: Update GNU_PROPERTY_X86_XXX macros 2020-10-13 05:21:05 -07:00
etc texi2pod.pl: import support for @t{...} from gcc 2020-01-15 12:58:09 -05:00
gas rx-elf FAIL: SHF_GNU_RETAIN sections 27 2020-12-14 14:05:05 +10:30
gdb Constify parse_and_eval_type 2020-12-13 09:51:42 -07:00
gdbserver gdbsupport: make use of safe-ctype functions from libiberty 2020-12-11 22:04:28 +00:00
gdbsupport gdbsupport: make use of safe-ctype functions from libiberty 2020-12-11 22:04:28 +00:00
gnulib gnulib: Ensure all libraries are used when building gdb/gdbserver 2020-10-09 09:31:43 +01:00
gold Re-enable incremental tests that were failing with GCC 9+. 2020-12-13 16:50:52 -08:00
gprof Unify Solaris procfs and largefile handling 2020-07-30 15:41:50 +02:00
include Update ELF headers and readelf with recent e_machine assignments. 2020-12-13 15:22:30 -08:00
intl Regen with blessed automake-1.15.1 2020-02-20 13:02:24 +10:30
ld PR26836, memory leak in parse_args 2020-12-14 23:36:09 +10:30
libctf libctf: Pass format argument to asprintf 2020-11-25 19:11:36 +00:00
libdecnumber Run autoreconf -vf throughout 2020-07-29 16:03:55 -04:00
libiberty Sync libiberty and include with GCC for get_DW_UT_name. 2020-09-24 22:55:24 +02:00
opcodes RISC-V: Add sext.[bh] and zext.[bhw] pseudo instructions. 2020-12-10 10:50:44 +08:00
readline Update readline/README to mention patchlevel 2020-06-30 15:17:07 -06:00
sim sim/mips/cp1.c: Include <stdlib.h> for abort() declaration 2020-12-14 07:02:05 +04:00
texinfo
zlib Merge changes from GCC for the config/ directory 2020-02-19 17:51:24 +00:00
.cvsignore
.gitattributes
.gitignore Add gnu global outputs to .gitignore 2020-12-02 10:00:27 -05:00
ar-lib
ChangeLog Add gnu global outputs to .gitignore 2020-12-02 10:00:27 -05:00
compile
config-ml.in
config.guess Update top level config files with copies from the official repository. 2020-01-18 13:43:19 +00:00
config.rpath
config.sub Update top level config files with copies from the official repository. 2020-01-18 13:43:19 +00:00
configure config/debuginfod.m4: Use PKG_CHECK_MODULES 2020-07-24 15:16:20 -04:00
configure.ac config/debuginfod.m4: Use PKG_CHECK_MODULES 2020-07-24 15:16:20 -04:00
COPYING
COPYING3
COPYING3.LIB
COPYING.LIB
COPYING.LIBGLOSS
COPYING.NEWLIB
depcomp
djunpack.bat
install-sh
libtool.m4
lt~obsolete.m4
ltgcc.m4
ltmain.sh
ltoptions.m4
ltsugar.m4
ltversion.m4
MAINTAINERS Move gdbserver to top level 2020-02-07 08:42:25 -07:00
Makefile.def gdb/gdbserver: add dependencies for distclean-gnulib 2020-10-14 15:05:14 +01:00
Makefile.in gdb/gdbserver: add dependencies for distclean-gnulib 2020-10-14 15:05:14 +01:00
Makefile.tpl Revert "Sync top level files with versions from gcc." 2019-05-30 11:17:19 +01:00
makefile.vms
missing
mkdep
mkinstalldirs
move-if-change
multilib.am
README
README-maintainer-mode
setup.com
src-release.sh Use sha256 for hashes in the release process 2020-10-28 10:35:28 -04:00
symlink-tree
test-driver
ylwrap

		   README for GNU development tools

This directory contains various GNU compilers, assemblers, linkers, 
debuggers, etc., plus their support routines, definitions, and documentation.

If you are receiving this as part of a GDB release, see the file gdb/README.
If with a binutils release, see binutils/README;  if with a libg++ release,
see libg++/README, etc.  That'll give you info about this
package -- supported targets, how to use it, how to report bugs, etc.

It is now possible to automatically configure and build a variety of
tools with one command.  To build all of the tools contained herein,
run the ``configure'' script here, e.g.:

	./configure 
	make

To install them (by default in /usr/local/bin, /usr/local/lib, etc),
then do:
	make install

(If the configure script can't determine your type of computer, give it
the name as an argument, for instance ``./configure sun4''.  You can
use the script ``config.sub'' to test whether a name is recognized; if
it is, config.sub translates it to a triplet specifying CPU, vendor,
and OS.)

If you have more than one compiler on your system, it is often best to
explicitly set CC in the environment before running configure, and to
also set CC when running make.  For example (assuming sh/bash/ksh):

	CC=gcc ./configure
	make

A similar example using csh:

	setenv CC gcc
	./configure
	make

Much of the code and documentation enclosed is copyright by
the Free Software Foundation, Inc.  See the file COPYING or
COPYING.LIB in the various directories, for a description of the
GNU General Public License terms under which you can copy the files.

REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info
on where and how to report problems.