Alan Modra c799eddb35 asan: mips_hi16_list segfault in bfd_get_section_limit_octets
static variables like mips_hi16_list are nasty for applications using
bfd.  It is possible when opening and closing bfds with mis-matched
hi/lo relocs to leave a stale section pointer on the list.  That can
cause a segfault if multiple bfds are being processed.

Tidying the list when closing is sufficient to stop this happening
(and fixes small memory leaks).  This patch goes further and moves
mips_hi16_list to where it belongs in the bfd tdata.

	* elf32-mips.c (bfd_elf32_close_and_cleanup(: Define.
	* elf64-mips.c (bfd_elf64_close_and_cleanup): Define.
	* elfn32-mips.c (bfd_elf32_close_and_cleanup(: Define.
	* elfxx-mips.c (struct mips_hi16): Move earlier.
	(mips_hi16_list): Move to..
	(struct mips_elf_obj_tdata): ..here.
	(_bfd_mips_elf_close_and_cleanup): New function.
	(_bfd_mips_elf_hi16_reloc, _bfd_mips_elf_lo16_reloc),
	(_bfd_elf_mips_get_relocated_section_contents): Adjust uses of
	mips_hi16_list.
	* elfxx-mips.h (_bfd_mips_elf_close_and_cleanup): Declare.
2022-12-13 11:31:43 +10:30
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2022-07-08 10:41:07 +01:00
2022-11-27 21:08:24 +01:00
2022-09-28 13:37:31 +09:30
2022-12-08 08:05:45 -08:00
2022-07-09 20:10:47 +09:30
2022-01-28 08:25:42 -05:00
2022-11-15 15:24:29 -08:00
2022-11-15 15:24:29 -08:00

		   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.
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