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libgloss: pru: Add support for older PRU cores
Do not use FILL/ZERO instructions in CRT0 and syscalls.  These
instructions are not supported by older PRU cores in AM18xx SoCs.

Avoiding FILL/ZERO does increase the code size a bit, but it has no
impact on real projects because:
  - syscalls.S is used only by firmware built for the GNU Simulator.
  - Real firmware projects are supposed to use crt0-min.S, which is not
    impacted.
  - crt0.S is intended to be full-featured, so that can be used for
    regression testing GCC using GNU Simulator.

An alternative would be to add a special crt0-am18xx.S variant, but that
would add unnecessary complexity.

Signed-off-by: Dimitar Dimitrov <dimitar@dinux.eu>
2025-11-12 20:26:53 +02:00
.github/workflows Cygwin: CI: run on windows-2022 2025-10-09 15:28:11 +01:00
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libgloss libgloss: pru: Add support for older PRU cores 2025-11-12 20:26:53 +02:00
newlib newlib/libc/include/sys/features.h: Update RTEMS section 2025-11-04 16:36:10 -06:00
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winsup Cygwin: aarch64: Fix html encoding damage to pseudo-reloc.cc 2025-11-09 15:48:44 +00:00
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COPYING.LIBGLOSS Added target m68k-atari-elf supporting Atari 16/32bit TOS systems. 2025-08-07 13:59:52 -04:00
COPYING.NEWLIB Added target m68k-atari-elf supporting Atari 16/32bit TOS systems. 2025-08-07 13:59:52 -04:00
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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.