forked from Imagelibrary/binutils-gdb
6e4a39ac3c0ddd036104ab6430d35adf49991c52
Add the org.gnu.gdb.aarch64.gcs feature with the GCSPR register, and the org.gnu.gdb.aarch64.gcs.linux feature with "registers" to represent the Linux kernel ptrace and prctl knobs that enable and lock specific GCS functionality. This code supports GCS only in Linux userspace applications, so the GCSPR that is exposed is the one at EL0. Also, support for calling inferior functions is enabled by adding an implementation for the shadow_stack_push gdbarch method. Testcases gdb.arch/aarch64-gcs.exp and gdb.arch/aarch64-gcs-core.exp are included to cover the added functionality. The change in the core_find procedure allows aarch64-gcs-core.exp to recover the output from the crashed program. It's needed because the test program in this testcase prints to stdout the value of the GCSPR right before crashing, and the testcase needs it to check whether GDB got it right.
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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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