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Delete Tru64 support

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This commit does most of the mechanical removal.  IOW, the easy part.

procfs.c isn't touched beyond removing a couple obvious bits that are
guarded by a couple macros defined in config/alpha/nm-osf3.h.  Going
beyond that for procfs.c & co would be a harder excision that
potentially affects Solaris.

Some comments in the generic alpha code ABIs that may still be
relevant and I wouldn't know what to do with them.  That can always be
done on a separate pass, preferably by someone who can test on alpha.

A couple other spots have references to OSF/Tru64 and related files
being removed, but it felt like removing them would make things worse,
not better.  We can revisit those when we next need to touch that
code.

I didn't remove a reference to osf in testsuite/lib/future.exp, as I
believe that code is imported from DejaGNU.

Built and tested on x86_64 Fedora 20, with --enable-targets=all.

Tested that building for --target=alpha-osf3 on x86_64 Fedora 20
fails with:

 checking for default auto-load directory... $debugdir:$datadir/auto-load
 checking for default auto-load safe-path... $debugdir:$datadir/auto-load
 *** Configuration alpha-unknown-osf3 is obsolete.
 *** Support has been REMOVED.
 make[1]: *** [configure-gdb] Error 1
 make[1]: Leaving directory `build-osf'
 make: *** [all] Error 2

gdb/
2014-10-17  Pedro Alves  <palves@redhat.com>

	* Makefile.in (ALL_64_TARGET_OBS): Remove alpha-osf1-tdep.o.
	(HFILES_NO_SRCDIR): Remove config/alpha/nm-osf3.h.
	(ALLDEPFILES): Remove alpha-nat.c, alpha-osf1-tdep.c and
	solib-osf.c.
	* NEWS: Mention that support for alpha*-*-osf* has been removed.
	* ada-lang.h [__alpha__ && __osf__]
	(ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS): Delete.
	* alpha-nat.c, alpha-osf1-tdep.c: Delete files.
	* alpha-tdep.c (alpha_gdbarch_init): Remove reference to
	GDB_OSABI_OSF1.
	* config/alpha/alpha-osf3.mh, config/alpha/nm-osf3.h: Delete
	files.
	* config/djgpp/fnchange.lst (config/alpha/alpha-osf1.mh)
	(config/alpha/alpha-osf2.mh, config/alpha/alpha-osf3.mh): Delete.
	* configure: Regenerate.
	* configure.ac: Remove references to osf.
	* configure.host: Handle alpha*-*-osf* in the obsolete hosts
	section.  Remove all other references to osf.
	* configure.tgt: Add alpha*-*-osf* to the obsolete targets section.
	Remove all other references to osf.
	* dec-thread.c: Delete file.
	* defs.h (GDB_OSABI_OSF1): Delete.
	* inferior.h (START_INFERIOR_TRAPS_EXPECTED): New unconditionally
	defined.
	* osabi.c (gdb_osabi_names): Delete "OSF/1".
	* procfs.c (procfs_debug_inferior) [PROCFS_DONT_TRACE_FAULTS]:
	Delete code.
	(unconditionally_kill_inferior)
	[PROCFS_NEED_CLEAR_CURSIG_FOR_KILL]: Delete code.
	* solib-osf.c: Delete file.

gdb/testsuite/
2014-10-17  Pedro Alves  <palves@redhat.com>

	* gdb.base/callfuncs.exp: emove references to osf.
	* gdb.base/sigall.exp: Likewise.
	* gdb.gdb/selftest.exp: Likewise.
	* gdb.hp/gdb.base-hp/callfwmall.exp: Likewise.
	* gdb.mi/non-stop.c: Likewise.
	* gdb.mi/pthreads.c: Likewise.
	* gdb.reverse/sigall-precsave.exp: Likewise.
	* gdb.reverse/sigall-reverse.exp: Likewise.
	* gdb.threads/pthreads.c: Likewise.
	* gdb.threads/pthreads.exp: Likewise.

gdb/doc/
2014-10-17  Pedro Alves  <palves@redhat.com>

	* gdb.texinfo (Ada Tasks and Core Files): Delete mention of Tru64.
	(SVR4 Process Information): Delete mention of OSF/1.
This commit is contained in:
Pedro Alves
2014-10-17 11:18:59 +01:00
parent 80134cf5b3
commit 32a8097ba5
33 changed files with 72 additions and 1838 deletions
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27
gdb/configure vendored
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@@ -7062,33 +7062,6 @@ _ACEOF
fi
# On alpha-osf, it appears that libtermcap and libcurses are not compatible.
# There is a very specific comment in /usr/include/curses.h explaining that
# termcap routines built into libcurses must not be used.
#
# The symptoms we observed so far is GDB unexpectedly changing
# the terminal settings when tgetent is called - this is particularly
# visible as the output is missing carriage returns, and so rapidly
# becomes very hard to read.
#
# The readline configure script has already decided that libtermcap
# was enough for its purposes, and so decided to build readline using
# libtermcap. Since the TUI mode requires curses, building GDB with
# TUI enabled results in both libraries to be used at the same time,
# which is not allowed. This basically means that GDB with TUI is
# broken on alpha-osf.
case $host_os in
osf* )
if test x"$enable_tui" = xyes; then
as_fn_error "Building GDB with TUI mode is not supported on this host" "$LINENO" 5
fi
if test x"$enable_tui" = xauto; then
enable_tui=no
fi
;;
esac
# For the TUI, we need enhanced curses functionality.
if test x"$enable_tui" != xno; then
prefer_curses=yes