[newlib-cygwin] libgloss: have README point to the manual

[Michael Frysinger <vapier@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=2d53aadcc5aa2336ff86bdb39183d2f0775789eb

commit 2d53aadcc5aa2336ff86bdb39183d2f0775789eb
Author: Mike Frysinger <vapier@gentoo.org>
Date:   Sun Feb 13 02:35:45 2022 -0500

    libgloss: have README point to the manual
    
    The README has such little info in it, so point people to the much
    more extensive porting manual.

Diff:
---
 libgloss/README           | 16 +++++-----------
 libgloss/doc/porting.texi | 16 +++++++++++-----
 2 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/libgloss/README b/libgloss/README
index 1141841bb..28dca2884 100644
--- a/libgloss/README
+++ b/libgloss/README
@@ -1,11 +1,5 @@
-bfin	- Analog Devices Blackfin processor.
-sparc	- Fujitsu Sparclite board. Works on the ex930, ex931, ex933
-hp74x	- Hewlett Packard HP742 board. Also some support for the hp743.
-m68hc11 - Motorola 68HC11 or 68HC12 support.
-m68k	- Motorola MVME135 and IDP board. For CPU32 systems.
-mep	- Toshiba Media Processor.
-pa	- WinBond and Oki boards with a PA.
-mips	- R3000 support. Array Tech LSI33k based RAID disk controller.
-lm32    - Lattice Mico32 simulator.
-epiphany - Adapteva Epiphany multicore processor.
-or1k	- OpenRISC 1000 processor.
\ No newline at end of file
+Libgloss is a library for all the details that usually get glossed over.
+This library refers to things like startup code, and usually I/O support
+for GCC and the C library.
+
+For more details, see the manual under doc/.
diff --git a/libgloss/doc/porting.texi b/libgloss/doc/porting.texi
index 9beda39e5..21b2f565a 100644
--- a/libgloss/doc/porting.texi
+++ b/libgloss/doc/porting.texi
@@ -136,16 +136,22 @@ new library is called Libgloss, for Gnu Low-level OS support.
 
 @node Supported targets, Building libgloss, Libgloss, Libgloss
 @section Supported Targets
-Currently libgloss is being used for the following targets:
+Currently libgloss is being used for at least the following targets:
 
 @menu
+* Blackfin::                    Analog Devices, Inc. Blackfin processor.
 * Sparclite::                   Fujitsu's sparclite.
 * CPU32::                       Various m68k based targets.
 * Mips::                        Mips code based targets.
 * PA-RISC::                     Precision Risc Organization..
 @end menu
 
-@node Sparclite, CPU32, , Supported targets
+@node Blackfin
+@subsection Blackfin Targets Supported
+This is for the Analog Devices, Inc. Blackfin family of processors.
+Currently this covers all versions except for the BF535.
+
+@node Sparclite
 @subsection Sparclite Targets Supported
 @c FIXME: put links to the docs in etc/targetdoc
 This is for the Fujitsu Sparclite family of processors. Currently this 
@@ -161,7 +167,7 @@ shell in the ROM. GDB uses the the GDB remote protocol, the relevant
 source files from the gdb sources are remote-sparcl.c. The debug stub is
 part of libgloss and is called sparcl-stub.c.
 
-@node CPU32, Mips, Sparclite, Supported targets
+@node CPU32
 @subsection Motorola CPU32 Targets supported
 This refers to Motorola's m68k based CPU32 processor family. The crt0.S
 startup file should be usable with any target environment, and it's
@@ -184,7 +190,7 @@ target environment in the GDB source tree. The relevant files are
 gdb/monitor.c, monitor.h, and rom58k-rom.c. The usage of these files is
 discussed in the GDB section.
 
-@node Mips, PA-RISC, CPU32, Supported targets
+@node Mips
 @subsection Mips core Targets Supported
 The Crt0 startup file should run on any mips target that doesn't require
 additional hardware initialization. The I/O code so far only supports a
@@ -206,7 +212,7 @@ LSI's @code{pmon} ROM monitor. This uses entry points into the monitor,
 and should easily port to other versions of the pmon monitor. Pmon is
 distributed in source by LSI.
 
-@node PA-RISC, , Mips, Supported targets
+@node PA-RISC
 @subsection PA-RISC Targets Supported
 This supports the various boards manufactured by the HP-PRO consortium.
 This is a group of companies all making variations on the PA-RISC