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[PATCH] Delete IRIX support


Here's a patch that removes support for IRIX.

Anyone see anything being removed that would be missed?

Is the NEWS bit OK?

-----
>From f6e488ad019b8d26c87fa77fe190808bd289b73a Mon Sep 17 00:00:00 2001
From: Pedro Alves <palves@redhat.com>
Date: Fri, 3 Oct 2014 10:12:44 +0100
Subject: [PATCH] Delete Irix support

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

This doesn't touch procfs.c as that'd be a harder excision,
potentially affecting Solaris.

mips-tdep.c is left alone.  E.g., I didn't delete the GDB_OSABI_IRIX
enum value, nor references to it in mips-tdep.c.  Some comments
mentioning Irix ABIs may still be relevant and I wouldn't know what to
do with them. in That can always be done on a separate pass,
preferably by someone who can test on MIPS.

Likewise, mipsread.c is left alone.  IIUC, pieces may be necessary for
PDR records on Linux.

I didn't remove a reference to irix 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=mips-sgi-irix6 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 *** Configuration mips-sgi-irix6 is obsolete.
 *** Support has been REMOVED.
 make[1]: *** [configure-gdb] Error 1
 make[1]: Leaving directory `/home/pedro/gdb/mygit/build-irix'
 make: *** [all] Error 2

gdb/
2014-10-03 Pedro Alves  <palves@redhat.com>

	* Makefile.in (ALL_TARGET_OBS): Remove mips-irix-tdep.o and solib-irix.o.
	(ALLDEPFILES): Remove mips-irix-tdep.c and solib-irix.c.
	(HFILES_NO_SRCDIR): Remove solib-irix.h.
	* NEWS: Mention that support for mips-sgi-irix5* mips-sgi-irix6*
	and been removed.
	* config/mips/irix5.mh, config/mips/irix6.mh: Delete files.
	* configure.ac: Remove references to irix.
	* configure.host: Add *-*-irix* to the obsolete hosts section.
	Remove all other references to irix.
	* irix5-nat.c, mips-irix-tdep.c, solib-irix.c, solib-irix.h:
	Delete files.

gdb/testsuite/
2014-10-03 Pedro Alves  <palves@redhat.com>

	* gdb.base/bigcore.exp: Remove references to irix.
	* gdb.base/funcargs.exp: Likewise.
	* gdb.base/interrupt.exp: Likewise.
	* gdb.base/mips_pro.exp: Likewise.
	* gdb.base/nodebug.exp: Likewise.
	* gdb.base/setvar.exp: Likewise.
	* lib/gdb.exp (gdb_compile_shlib): Remove mips-sgi-irix* case.
---
 gdb/Makefile.in                      |   9 +-
 gdb/NEWS                             |   7 +
 gdb/config/mips/irix5.mh             |   4 -
 gdb/config/mips/irix6.mh             |   4 -
 gdb/configure                        |  13 -
 gdb/configure.ac                     |  13 -
 gdb/configure.host                   |   3 +-
 gdb/configure.tgt                    |   9 +-
 gdb/irix5-nat.c                      | 272 ----------------
 gdb/mips-irix-tdep.c                 | 294 -----------------
 gdb/solib-irix.c                     | 610 -----------------------------------
 gdb/solib-irix.h                     |  26 --
 gdb/testsuite/gdb.base/bigcore.exp   |   7 -
 gdb/testsuite/gdb.base/funcargs.exp  |  10 +-
 gdb/testsuite/gdb.base/interrupt.exp |   1 -
 gdb/testsuite/gdb.base/mips_pro.exp  |   2 +-
 gdb/testsuite/gdb.base/nodebug.exp   |  48 +--
 gdb/testsuite/gdb.base/opaque.exp    |   6 +-
 gdb/testsuite/gdb.base/setvar.exp    |   2 -
 gdb/testsuite/gdb.base/whatis.exp    |   1 -
 gdb/testsuite/lib/gdb.exp            |   8 +-
 21 files changed, 28 insertions(+), 1321 deletions(-)
 delete mode 100644 gdb/config/mips/irix5.mh
 delete mode 100644 gdb/config/mips/irix6.mh
 delete mode 100644 gdb/irix5-nat.c
 delete mode 100644 gdb/mips-irix-tdep.c
 delete mode 100644 gdb/solib-irix.c
 delete mode 100644 gdb/solib-irix.h

diff --git a/gdb/Makefile.in b/gdb/Makefile.in
index 1ffa62a..fc27ba6 100644
--- a/gdb/Makefile.in
+++ b/gdb/Makefile.in
@@ -644,7 +644,7 @@ ALL_TARGET_OBS = \
 	m88k-tdep.o \
 	mep-tdep.o \
 	microblaze-tdep.o microblaze-linux-tdep.o \
-	mips-irix-tdep.o mips-linux-tdep.o \
+	mips-linux-tdep.o \
 	mipsnbsd-tdep.o mips-tdep.o \
 	mn10300-linux-tdep.o mn10300-tdep.o \
 	moxie-tdep.o \
@@ -673,7 +673,7 @@ ALL_TARGET_OBS = \
 	bsd-uthread.o \
 	nbsd-tdep.o obsd-tdep.o \
 	sol2-tdep.o \
-	solib-frv.o solib-irix.o solib-svr4.o \
+	solib-frv.o solib-svr4.o \
 	solib-som.o solib-pa64.o solib-darwin.o solib-dsbt.o \
 	dbug-rom.o dink32-rom.o ppcbug-rom.o m32r-rom.o dsrec.o monitor.o \
 	remote-m32r-sdi.o remote-mips.o \
@@ -903,7 +903,7 @@ interps.h auxv.h gdbcmd.h tramp-frame.h mipsnbsd-tdep.h	\
 amd64-linux-tdep.h linespec.h i387-tdep.h mn10300-tdep.h \
 sparc64-tdep.h monitor.h ppcobsd-tdep.h srec.h solib-pa64.h \
 coff-pe-read.h parser-defs.h gdb_ptrace.h mips-linux-tdep.h \
-m68k-tdep.h spu-tdep.h jv-lang.h environ.h solib-irix.h amd64-tdep.h \
+m68k-tdep.h spu-tdep.h jv-lang.h environ.h amd64-tdep.h \
 doublest.h regset.h hppa-tdep.h ppc-linux-tdep.h ppc64-tdep.h \
 rs6000-tdep.h rs6000-aix-tdep.h \
 common/gdb_locale.h arch-utils.h trad-frame.h gnu-nat.h \
@@ -1661,7 +1661,6 @@ ALLDEPFILES = \
 	microblaze-tdep.c microblaze-linux-tdep.c \
 	mingw-hdep.c \
 	mips-linux-nat.c mips-linux-tdep.c \
-	mips-irix-tdep.c \
 	mips-tdep.c \
 	mipsnbsd-nat.c mipsnbsd-tdep.c \
 	mips64obsd-nat.c mips64obsd-tdep.c \
@@ -1689,7 +1688,7 @@ ALLDEPFILES = \
 	ser-go32.c ser-pipe.c ser-tcp.c ser-mingw.c \
 	sh-tdep.c sh64-tdep.c shnbsd-tdep.c shnbsd-nat.c \
 	sol2-tdep.c \
-	solib-irix.c solib-svr4.c \
+	solib-svr4.c \
 	sparc-linux-nat.c sparc-linux-tdep.c \
 	sparc-sol2-nat.c sparc-sol2-tdep.c sparc64-sol2-tdep.c \
 	sparc-nat.c sparc-tdep.c sparc64-linux-nat.c sparc64-linux-tdep.c \
diff --git a/gdb/NEWS b/gdb/NEWS
index b56fe8e..5de0a33 100644
--- a/gdb/NEWS
+++ b/gdb/NEWS
@@ -45,6 +45,13 @@ queue-signal signal-name-or-number
   ** The -list-thread-groups command outputs an exit-code field for
      inferiors that have exited.
 
+* Removed targets
+
+Support for these obsolete configurations has been removed.
+
+mips-sgi-irix5*
+mips-sgi-irix6*
+
 *** Changes in GDB 7.8
 
 * New command line options
diff --git a/gdb/config/mips/irix5.mh b/gdb/config/mips/irix5.mh
deleted file mode 100644
index d5740d0..0000000
--- a/gdb/config/mips/irix5.mh
+++ /dev/null
@@ -1,4 +0,0 @@
-# Host: SGI Iris running irix 5.x
-NATDEPFILES= fork-child.o irix5-nat.o procfs.o \
-	proc-api.o proc-events.o proc-flags.o proc-why.o
-HAVE_NATIVE_GCORE_HOST = 1
diff --git a/gdb/config/mips/irix6.mh b/gdb/config/mips/irix6.mh
deleted file mode 100644
index 098df2e..0000000
--- a/gdb/config/mips/irix6.mh
+++ /dev/null
@@ -1,4 +0,0 @@
-# Host: SGI Iris running irix 6.x
-NATDEPFILES= fork-child.o irix5-nat.o procfs.o \
-	proc-api.o proc-events.o proc-flags.o proc-why.o
-HAVE_NATIVE_GCORE_HOST = 1
diff --git a/gdb/configure b/gdb/configure
index 6e7435f..889103c 100755
--- a/gdb/configure
+++ b/gdb/configure
@@ -8716,15 +8716,6 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 $as_echo "${PYTHON_CFLAGS}" >&6; }
   fi
 
-  # On IRIX, type siginfo is not defined.  Instead, sys/siginfo.h provides:
-  #    #if _SGIAPI
-  #    #define siginfo __siginfo
-  #    #endif
-  # The problem is that including Python causes some XOPEN macros to be
-  # unilaterally defined, and that in turn causes _SGIAPI to evaluate
-  # to false.  So, we work around this issue by defining siginfo ourself
-  # though the command-line.
-  #
   # On x64 Windows, Python's include headers, and pyconfig.h in
   # particular, rely on MS_WIN64 macro to detect that it's a 64bit
   # version of Windows.  Unfortunately, MS_WIN64 is only defined if
@@ -8734,10 +8725,6 @@ $as_echo "${PYTHON_CFLAGS}" >&6; }
   # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
 
   case "$gdb_host" in
-    irix*) if test "${GCC}" = yes; then
-             CPPFLAGS="$CPPFLAGS -Dsiginfo=__siginfo"
-           fi
-           ;;
     mingw64)
            if test "${GCC}" = yes; then
              CPPFLAGS="$CPPFLAGS -DMS_WIN64"
diff --git a/gdb/configure.ac b/gdb/configure.ac
index 4f5fb7b..2b4f5b0 100644
--- a/gdb/configure.ac
+++ b/gdb/configure.ac
@@ -999,15 +999,6 @@ if test "${have_libpython}" != no; then
     AC_MSG_RESULT(${PYTHON_CFLAGS})
   fi
 
-  # On IRIX, type siginfo is not defined.  Instead, sys/siginfo.h provides:
-  #    #if _SGIAPI
-  #    #define siginfo __siginfo
-  #    #endif
-  # The problem is that including Python causes some XOPEN macros to be
-  # unilaterally defined, and that in turn causes _SGIAPI to evaluate
-  # to false.  So, we work around this issue by defining siginfo ourself
-  # though the command-line.
-  #
   # On x64 Windows, Python's include headers, and pyconfig.h in
   # particular, rely on MS_WIN64 macro to detect that it's a 64bit
   # version of Windows.  Unfortunately, MS_WIN64 is only defined if
@@ -1017,10 +1008,6 @@ if test "${have_libpython}" != no; then
   # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
 
   case "$gdb_host" in
-    irix*) if test "${GCC}" = yes; then
-             CPPFLAGS="$CPPFLAGS -Dsiginfo=__siginfo"
-           fi
-           ;;
     mingw64)
            if test "${GCC}" = yes; then
              CPPFLAGS="$CPPFLAGS -DMS_WIN64"
diff --git a/gdb/configure.host b/gdb/configure.host
index 15a8288..5f77166 100644
--- a/gdb/configure.host
+++ b/gdb/configure.host
@@ -19,6 +19,7 @@ case $host in
  sparc-*-netbsdelf* | \
  vax-*-netbsdelf*)
     ;;
+ *-*-irix* | \
  alpha*-*-osf1* | \
  alpha*-*-osf2* | \
  arm*-*-netbsd* | \
@@ -126,8 +127,6 @@ m68*-*-openbsd*)	gdb_host=obsd ;;
 
 m88*-*-openbsd*)	gdb_host=obsd ;;
 
-mips-sgi-irix5*)	gdb_host=irix5 ;;
-mips-sgi-irix6*)	gdb_host=irix6 ;;
 mips*-*-linux*)		gdb_host=linux ;;
 mips*-*-netbsd* | mips*-*-knetbsd*-gnu)
 			gdb_host=nbsd ;;
diff --git a/gdb/configure.tgt b/gdb/configure.tgt
index 9aea728..d362cd9 100644
--- a/gdb/configure.tgt
+++ b/gdb/configure.tgt
@@ -13,6 +13,7 @@
 #	in Makefile.in!
 
 case $targ in
+ *-*-irix* | \
  d10v-*-* | \
  hppa*-*-hiux* | \
  i[34567]86-ncr-* | \
@@ -350,14 +351,6 @@ microblaze*-*-*)
 	gdb_sim=../sim/microblaze/libsim.a
 	;;
 
-mips*-sgi-irix5*)
-	# Target: MIPS SGI running Irix 5
-	gdb_target_obs="mips-tdep.o mips-irix-tdep.o solib-irix.o"
-	;;
-mips*-sgi-irix6*)
-	# Target: MIPS SGI running Irix 6.x
-	gdb_target_obs="mips-tdep.o mips-irix-tdep.o solib-irix.o"
-	;;
 mips*-*-linux*)
 	# Target: Linux/MIPS
 	gdb_target_obs="mips-tdep.o mips-linux-tdep.o glibc-tdep.o \
diff --git a/gdb/irix5-nat.c b/gdb/irix5-nat.c
deleted file mode 100644
index f72f183..0000000
--- a/gdb/irix5-nat.c
+++ /dev/null
@@ -1,272 +0,0 @@
-/* Native support for the SGI Iris running IRIX version 5, for GDB.
-
-   Copyright (C) 1988-2014 Free Software Foundation, Inc.
-
-   Contributed by Alessandro Forin(af@cs.cmu.edu) at CMU
-   and by Per Bothner(bothner@cs.wisc.edu) at U.Wisconsin.
-   Implemented for Irix 4.x by Garrett A. Wollman.
-   Modified for Irix 5.x by Ian Lance Taylor.
-
-   This file is part of GDB.
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 3 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
-
-#include "defs.h"
-#include "inferior.h"
-#include "gdbcore.h"
-#include "target.h"
-#include "regcache.h"
-#include "procfs.h"
-#include <sys/time.h>
-#include <sys/procfs.h>
-#include <setjmp.h>		/* For JB_XXX.  */
-
-/* Prototypes for supply_gregset etc.  */
-#include "gregset.h"
-#include "mips-tdep.h"
-
-static void fetch_core_registers (struct regcache *, char *,
-				  unsigned int, int, CORE_ADDR);
-
-
-/*
- * See the comment in m68k-tdep.c regarding the utility of these functions.
- *
- * These definitions are from the MIPS SVR4 ABI, so they may work for
- * any MIPS SVR4 target.
- */
-
-void
-supply_gregset (struct regcache *regcache, const gregset_t *gregsetp)
-{
-  int regi;
-  const greg_t *regp = &(*gregsetp)[0];
-  struct gdbarch *gdbarch = get_regcache_arch (regcache);
-  int gregoff = sizeof (greg_t) - mips_isa_regsize (gdbarch);
-  static char zerobuf[32] = {0};
-
-  for (regi = 0; regi <= CTX_RA; regi++)
-    regcache_raw_supply (regcache, regi,
-			 (const char *) (regp + regi) + gregoff);
-
-  regcache_raw_supply (regcache, mips_regnum (gdbarch)->pc,
-		       (const char *) (regp + CTX_EPC) + gregoff);
-  regcache_raw_supply (regcache, mips_regnum (gdbarch)->hi,
-		       (const char *) (regp + CTX_MDHI) + gregoff);
-  regcache_raw_supply (regcache, mips_regnum (gdbarch)->lo,
-		       (const char *) (regp + CTX_MDLO) + gregoff);
-  regcache_raw_supply (regcache, mips_regnum (gdbarch)->cause,
-		       (const char *) (regp + CTX_CAUSE) + gregoff);
-
-  /* Fill inaccessible registers with zero.  */
-  regcache_raw_supply (regcache, mips_regnum (gdbarch)->badvaddr, zerobuf);
-}
-
-void
-fill_gregset (const struct regcache *regcache, gregset_t *gregsetp, int regno)
-{
-  int regi, size;
-  greg_t *regp = &(*gregsetp)[0];
-  gdb_byte buf[MAX_REGISTER_SIZE];
-  struct gdbarch *gdbarch = get_regcache_arch (regcache);
-  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
-
-  /* Under Irix6, if GDB is built with N32 ABI and is debugging an O32
-     executable, we have to sign extend the registers to 64 bits before
-     filling in the gregset structure.  */
-
-  for (regi = 0; regi <= CTX_RA; regi++)
-    if ((regno == -1) || (regno == regi))
-      {
-	size = register_size (gdbarch, regi);
-	regcache_raw_collect (regcache, regi, buf);
-	*(regp + regi) = extract_signed_integer (buf, size, byte_order);
-      }
-
-  if ((regno == -1) || (regno == mips_regnum (gdbarch)->pc))
-    {
-      regi = mips_regnum (gdbarch)->pc;
-      size = register_size (gdbarch, regi);
-      regcache_raw_collect (regcache, regi, buf);
-      *(regp + CTX_EPC) = extract_signed_integer (buf, size, byte_order);
-    }
-
-  if ((regno == -1) || (regno == mips_regnum (gdbarch)->cause))
-    {
-      regi = mips_regnum (gdbarch)->cause;
-      size = register_size (gdbarch, regi);
-      regcache_raw_collect (regcache, regi, buf);
-      *(regp + CTX_CAUSE) = extract_signed_integer (buf, size, byte_order);
-    }
-
-  if ((regno == -1) || (regno == mips_regnum (gdbarch)->hi))
-    {
-      regi = mips_regnum (gdbarch)->hi;
-      size = register_size (gdbarch, regi);
-      regcache_raw_collect (regcache, regi, buf);
-      *(regp + CTX_MDHI) = extract_signed_integer (buf, size, byte_order);
-    }
-
-  if ((regno == -1) || (regno == mips_regnum (gdbarch)->lo))
-    {
-      regi = mips_regnum (gdbarch)->lo;
-      size = register_size (gdbarch, regi);
-      regcache_raw_collect (regcache, regi, buf);
-      *(regp + CTX_MDLO) = extract_signed_integer (buf, size, byte_order);
-    }
-}
-
-/*
- * Now we do the same thing for floating-point registers.
- * We don't bother to condition on gdbarch_fp0_regnum since any
- * reasonable MIPS configuration has an R3010 in it.
- *
- * Again, see the comments in m68k-tdep.c.
- */
-
-void
-supply_fpregset (struct regcache *regcache, const fpregset_t *fpregsetp)
-{
-  int regi;
-  static char zerobuf[32] = {0};
-  char fsrbuf[8];
-  struct gdbarch *gdbarch = get_regcache_arch (regcache);
-
-  /* FIXME, this is wrong for the N32 ABI which has 64 bit FP regs.  */
-
-  for (regi = 0; regi < 32; regi++)
-    regcache_raw_supply (regcache, gdbarch_fp0_regnum (gdbarch) + regi,
-			 (const char *) &fpregsetp->__fp_r.__fp_regs[regi]);
-
-  /* We can't supply the FSR register directly to the regcache,
-     because there is a size issue: On one hand, fpregsetp->fp_csr
-     is 32bits long, while the regcache expects a 64bits long value.
-     So we use a buffer of the correct size and copy into it the register
-     value at the proper location.  */
-  memset (fsrbuf, 0, 4);
-  memcpy (fsrbuf + 4, &fpregsetp->__fp_csr, 4);
-
-  regcache_raw_supply (regcache,
-		       mips_regnum (gdbarch)->fp_control_status, fsrbuf);
-
-  /* FIXME: how can we supply FCRIR?  SGI doesn't tell us.  */
-  regcache_raw_supply (regcache,
-		       mips_regnum (gdbarch)->fp_implementation_revision,
-		       zerobuf);
-}
-
-void
-fill_fpregset (const struct regcache *regcache,
-	       fpregset_t *fpregsetp, int regno)
-{
-  int regi;
-  char *from, *to;
-  struct gdbarch *gdbarch = get_regcache_arch (regcache);
-
-  /* FIXME, this is wrong for the N32 ABI which has 64 bit FP regs.  */
-
-  for (regi = gdbarch_fp0_regnum (gdbarch);
-       regi < gdbarch_fp0_regnum (gdbarch) + 32; regi++)
-    {
-      if ((regno == -1) || (regno == regi))
-	{
-	  const int fp0_regnum = gdbarch_fp0_regnum (gdbarch);
-
-	  to = (char *) &(fpregsetp->__fp_r.__fp_regs[regi - fp0_regnum]);
-          regcache_raw_collect (regcache, regi, to);
-	}
-    }
-
-  if (regno == -1
-      || regno == mips_regnum (gdbarch)->fp_control_status)
-    {
-      char fsrbuf[8];
-
-      /* We can't fill the FSR register directly from the regcache,
-         because there is a size issue: On one hand, fpregsetp->fp_csr
-         is 32bits long, while the regcache expects a 64bits long buffer.
-         So we use a buffer of the correct size and copy the register
-         value from that buffer.  */
-      regcache_raw_collect (regcache,
-			    mips_regnum (gdbarch)->fp_control_status, fsrbuf);
-
-      memcpy (&fpregsetp->__fp_csr, fsrbuf + 4, 4);
-    }
-}
-
-
-/* Provide registers to GDB from a core file.
-
-   CORE_REG_SECT points to an array of bytes, which were obtained from
-   a core file which BFD thinks might contain register contents. 
-   CORE_REG_SIZE is its size.
-
-   Normally, WHICH says which register set corelow suspects this is:
-     0 --- the general-purpose register set
-     2 --- the floating-point register set
-   However, for Irix 5, WHICH isn't used.
-
-   REG_ADDR is also unused.  */
-
-static void
-fetch_core_registers (struct regcache *regcache,
-		      char *core_reg_sect, unsigned core_reg_size,
-		      int which, CORE_ADDR reg_addr)
-{
-  char *srcp = core_reg_sect;
-  struct gdbarch *gdbarch = get_regcache_arch (regcache);
-  int regsize = mips_isa_regsize (gdbarch);
-  int regno;
-
-  /* If regsize is 8, this is a N32 or N64 core file.
-     If regsize is 4, this is an O32 core file.  */
-  if (core_reg_size != regsize * gdbarch_num_regs (gdbarch))
-    {
-      warning (_("wrong size gregset struct in core file"));
-      return;
-    }
-
-  for (regno = 0; regno < gdbarch_num_regs (gdbarch); regno++)
-    {
-      regcache_raw_supply (regcache, regno, srcp);
-      srcp += regsize;
-    }
-}
-
-/* Register that we are able to handle irix5 core file formats.
-   This really is bfd_target_unknown_flavour.  */
-
-static struct core_fns irix5_core_fns =
-{
-  bfd_target_unknown_flavour,		/* core_flavour */
-  default_check_format,			/* check_format */
-  default_core_sniffer,			/* core_sniffer */
-  fetch_core_registers,			/* core_read_registers */
-  NULL					/* next */
-};
-
-/* Provide a prototype to silence -Wmissing-prototypes.  */
-extern initialize_file_ftype _initialize_irix5_nat;
-
-void
-_initialize_irix5_nat (void)
-{
-  struct target_ops *t;
-
-  t = procfs_target ();
-  procfs_use_watchpoints (t);
-  add_target (t);
-
-  deprecated_add_core_fns (&irix5_core_fns);
-}
diff --git a/gdb/mips-irix-tdep.c b/gdb/mips-irix-tdep.c
deleted file mode 100644
index 1232be8..0000000
--- a/gdb/mips-irix-tdep.c
+++ /dev/null
@@ -1,294 +0,0 @@
-/* Target-dependent code for the MIPS architecture running on IRIX,
-   for GDB, the GNU Debugger.
-
-   Copyright (C) 2002-2014 Free Software Foundation, Inc.
-
-   This file is part of GDB.
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 3 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
-
-#include "defs.h"
-#include "osabi.h"
-#include "solib.h"
-#include "solib-irix.h"
-#include "elf-bfd.h"
-#include "mips-tdep.h"
-#include "trad-frame.h"
-#include "tramp-frame.h"
-
-static void
-mips_irix_elf_osabi_sniff_abi_tag_sections (bfd *abfd, asection *sect,
-                                            void *obj)
-{
-  enum gdb_osabi *os_ident_ptr = obj;
-  const char *name;
-  unsigned int sectsize;
-
-  name = bfd_get_section_name (abfd, sect);
-  sectsize = bfd_section_size (abfd, sect);
-
-  /* The presence of a section named with a ".MIPS." prefix is usually
-     indicative of an IRIX binary, however there are exceptions that
-     are present universally, so check for those names and avoid
-     switching away from the default OS ABI in the case of a match.  */
-  if (strncmp (name, ".MIPS.", 6) == 0
-      && strcmp (name, ".MIPS.abiflags") != 0
-      && strcmp (name, ".MIPS.options") != 0
-      && strcmp (name, ".MIPS.stubs") != 0
-      && sectsize > 0)
-    *os_ident_ptr = GDB_OSABI_IRIX;
-}
-
-static enum gdb_osabi
-mips_irix_elf_osabi_sniffer (bfd *abfd)
-{
-  unsigned int elfosabi;
-  enum gdb_osabi osabi = GDB_OSABI_UNKNOWN;
-
-  /* If the generic sniffer gets a hit, return and let other sniffers
-     get a crack at it.  */
-  bfd_map_over_sections (abfd,
-			 generic_elf_osabi_sniff_abi_tag_sections,
-			 &osabi);
-  if (osabi != GDB_OSABI_UNKNOWN)
-    return GDB_OSABI_UNKNOWN;
-
-  elfosabi = elf_elfheader (abfd)->e_ident[EI_OSABI];
-
-  if (elfosabi == ELFOSABI_NONE)
-    {
-      /* When elfosabi is ELFOSABI_NONE (0), then the ELF structures in the
-	 file are conforming to the base specification for that machine 
-	 (there are no OS-specific extensions).  In order to determine the 
-	 real OS in use we must look for OS notes that have been added.
-	 
-	 For IRIX, we simply look for sections named with .MIPS. as
-	 prefixes.  */
-      bfd_map_over_sections (abfd,
-			     mips_irix_elf_osabi_sniff_abi_tag_sections, 
-			     &osabi);
-    }
-  return osabi;
-}
-
-/* Unwinding past the signal handler on mips-irix.
-
-   Note: The following has only been tested with N32, but can probably
-         be made to work with a small number of adjustments.
-
-   On mips-irix, the sigcontext_t structure is stored at the base
-   of the frame established by the _sigtramp function.  The definition
-   of this structure can be found in <sys/signal.h> (comments have been
-   C++'ified to avoid a collision with the C-style comment delimiters
-   used by this comment):
-
-      typedef struct sigcontext {
-        __uint32_t      sc_regmask;     // regs to restore in sigcleanup
-        __uint32_t      sc_status;      // cp0 status register
-        __uint64_t      sc_pc;          // pc at time of signal
-        // General purpose registers
-        __uint64_t      sc_regs[32];    // processor regs 0 to 31
-        // Floating point coprocessor state
-        __uint64_t      sc_fpregs[32];  // fp regs 0 to 31
-        __uint32_t      sc_ownedfp;     // fp has been used
-        __uint32_t      sc_fpc_csr;     // fpu control and status reg
-        __uint32_t      sc_fpc_eir;     // fpu exception instruction reg
-                                        // implementation/revision
-        __uint32_t      sc_ssflags;     // signal stack state to restore
-        __uint64_t      sc_mdhi;        // Multiplier hi and low regs
-        __uint64_t      sc_mdlo;
-        // System coprocessor registers at time of signal
-        __uint64_t      sc_cause;       // cp0 cause register
-        __uint64_t      sc_badvaddr;    // cp0 bad virtual address
-        __uint64_t      sc_triggersave; // state of graphics trigger (SGI)
-        sigset_t        sc_sigset;      // signal mask to restore
-        __uint64_t      sc_fp_rounded_result;   // for Ieee 754 support
-        __uint64_t      sc_pad[31];
-      } sigcontext_t;
-
-   The following macros provide the offset of some of the fields
-   used to retrieve the value of the registers before the signal
-   was raised.  */
-
-/* The size of the sigtramp frame.  The sigtramp frame base can then
-   be computed by adding this size to the SP.  */
-#define SIGTRAMP_FRAME_SIZE 48
-/* The offset in sigcontext_t where the PC is saved.  */
-#define SIGCONTEXT_PC_OFF 8
-/* The offset in sigcontext_t where the GP registers are saved.  */
-#define SIGCONTEXT_REGS_OFF (SIGCONTEXT_PC_OFF + 8)
-/* The offset in sigcontext_t where the FP regsiters are saved.  */
-#define SIGCONTEXT_FPREGS_OFF (SIGCONTEXT_REGS_OFF + 32 * 8)
-/* The offset in sigcontext_t where the FP CSR register is saved.  */
-#define SIGCONTEXT_FPCSR_OFF (SIGCONTEXT_FPREGS_OFF + 32 * 8 + 4)
-/* The offset in sigcontext_t where the multiplier hi register is saved.  */
-#define SIGCONTEXT_HI_OFF (SIGCONTEXT_FPCSR_OFF + 2 * 4)
-/* The offset in sigcontext_t where the multiplier lo register is saved.  */
-#define SIGCONTEXT_LO_OFF (SIGCONTEXT_HI_OFF + 4)
-
-/* Implement the "init" routine in struct tramp_frame for the N32 ABI
-   on mips-irix.  */
-static void
-mips_irix_n32_tramp_frame_init (const struct tramp_frame *self,
-				struct frame_info *this_frame,
-				struct trad_frame_cache *this_cache,
-				CORE_ADDR func)
-{
-  struct gdbarch *gdbarch = get_frame_arch (this_frame);
-  const int num_regs = gdbarch_num_regs (gdbarch);
-  int sp_cooked_regno = num_regs + MIPS_SP_REGNUM;
-  const CORE_ADDR sp = get_frame_register_signed (this_frame, sp_cooked_regno);
-  const CORE_ADDR sigcontext_base = sp + 48;
-  const struct mips_regnum *regs = mips_regnum (gdbarch);
-  int ireg;
-
-  trad_frame_set_reg_addr (this_cache, regs->pc + gdbarch_num_regs (gdbarch),
-                           sigcontext_base + SIGCONTEXT_PC_OFF);
-
-  for (ireg = 1; ireg < 32; ireg++)
-    trad_frame_set_reg_addr (this_cache, ireg + MIPS_ZERO_REGNUM + num_regs,
-                             sigcontext_base + SIGCONTEXT_REGS_OFF + ireg * 8);
-
-  for (ireg = 0; ireg < 32; ireg++)
-    trad_frame_set_reg_addr (this_cache, ireg + regs->fp0 + num_regs,
-                             sigcontext_base + SIGCONTEXT_FPREGS_OFF
-                               + ireg * 8);
-
-  trad_frame_set_reg_addr (this_cache, regs->fp_control_status + num_regs,
-                           sigcontext_base + SIGCONTEXT_FPCSR_OFF);
-
-  trad_frame_set_reg_addr (this_cache, regs->hi + num_regs,
-                           sigcontext_base + SIGCONTEXT_HI_OFF);
-
-  trad_frame_set_reg_addr (this_cache, regs->lo + num_regs,
-                           sigcontext_base + SIGCONTEXT_LO_OFF);
-
-  trad_frame_set_id (this_cache, frame_id_build (sigcontext_base, func));
-}
-
-/* The tramp_frame structure describing sigtramp frames on mips-irix N32.
-
-   Note that the list of instructions below is pretty much a pure dump
-   of function _sigtramp on mips-irix.  A few instructions are actually
-   not tested (mask set to 0), because a portion of these instructions
-   contain an address which changes due to relocation.  We could use
-   a smarter mask that checks the instrutction code alone, but given
-   the number of instructions already being checked, this seemed
-   unnecessary.  */
-
-static const struct tramp_frame mips_irix_n32_tramp_frame =
-{
-  SIGTRAMP_FRAME,
-  4,
-  {
-   { 0x3c0c8000, -1 }, /*    lui     t0,0x8000 */
-   { 0x27bdffd0, -1 }, /*    addiu   sp,sp,-48 */
-   { 0x008c6024, -1 }, /*    and     t0,a0,t0 */
-   { 0xffa40018, -1 }, /*    sd      a0,24(sp) */
-   { 0x00000000,  0 }, /*    beqz    t0,0xfaefcb8 <_sigtramp+40> */
-   { 0xffa60028, -1 }, /*    sd      a2,40(sp) */
-   { 0x01806027, -1 }, /*    nor     t0,t0,zero */
-   { 0xffa00020, -1 }, /*    sd      zero,32(sp) */
-   { 0x00000000,  0 }, /*    b       0xfaefcbc <_sigtramp+44> */
-   { 0x008c2024, -1 }, /*    and     a0,a0,t0 */
-   { 0xffa60020, -1 }, /*    sd      a2,32(sp) */
-   { 0x03e0c025, -1 }, /*    move    t8,ra */
-   { 0x00000000,  0 }, /*    bal     0xfaefcc8 <_sigtramp+56> */
-   { 0x00000000, -1 }, /*    nop */
-   { 0x3c0c0007, -1 }, /*    lui     t0,0x7 */
-   { 0x00e0c825, -1 }, /*    move    t9,a3 */
-   { 0x658c80fc, -1 }, /*    daddiu  t0,t0,-32516 */
-   { 0x019f602d, -1 }, /*    daddu   t0,t0,ra */
-   { 0x0300f825, -1 }, /*    move    ra,t8 */
-   { 0x8d8c9880, -1 }, /*    lw      t0,-26496(t0) */
-   { 0x8d8c0000, -1 }, /*    lw      t0,0(t0) */
-   { 0x8d8d0000, -1 }, /*    lw      t1,0(t0) */
-   { 0xffac0008, -1 }, /*    sd      t0,8(sp) */
-   { 0x0320f809, -1 }, /*    jalr    t9 */
-   { 0xffad0010, -1 }, /*    sd      t1,16(sp) */
-   { 0xdfad0010, -1 }, /*    ld      t1,16(sp) */
-   { 0xdfac0008, -1 }, /*    ld      t0,8(sp) */
-   { 0xad8d0000, -1 }, /*    sw      t1,0(t0) */
-   { 0xdfa40020, -1 }, /*    ld      a0,32(sp) */
-   { 0xdfa50028, -1 }, /*    ld      a1,40(sp) */
-   { 0xdfa60018, -1 }, /*    ld      a2,24(sp) */
-   { 0x24020440, -1 }, /*    li      v0,1088 */
-   { 0x0000000c, -1 }, /*    syscall */
-   { TRAMP_SENTINEL_INSN, -1 }
-  },
-  mips_irix_n32_tramp_frame_init
-};
-
-/* Implement the "init" routine in struct tramp_frame for the stack-based
-   trampolines used on mips-irix.  */
-
-static void
-mips_irix_n32_stack_tramp_frame_init (const struct tramp_frame *self,
-				      struct frame_info *this_frame,
-				      struct trad_frame_cache *this_cache,
-				      CORE_ADDR func)
-{
-  struct gdbarch *gdbarch = get_frame_arch (this_frame);
-  const int num_regs = gdbarch_num_regs (gdbarch);
-  int sp_cooked_regno = num_regs + MIPS_SP_REGNUM;
-  const CORE_ADDR sp = get_frame_register_signed (this_frame, sp_cooked_regno);
-
-  /* The previous frame's PC is stored in RA.  */
-  trad_frame_set_reg_realreg (this_cache, gdbarch_pc_regnum (gdbarch),
-                              num_regs + MIPS_RA_REGNUM);
-
-  trad_frame_set_id (this_cache, frame_id_build (sp, func));
-}
-
-/* A tramp_frame structure describing the stack-based trampoline
-   used on mips-irix.  These trampolines are created on the stack
-   before being called.  */
-
-static const struct tramp_frame mips_irix_n32_stack_tramp_frame =
-{
-  SIGTRAMP_FRAME,
-  4,
-  {
-   { 0x8f210000, 0xffff0000 },  /* lw     at, N(t9) */
-   { 0x8f2f0000, 0xffff0000 },  /* lw     t3, M(t9) */
-   { 0x00200008, 0xffffffff },  /* jr     at        */
-   { 0x0020c82d, 0xffffffff },  /* move   t9, at    */
-   { TRAMP_SENTINEL_INSN, -1 }
-  },
-  mips_irix_n32_stack_tramp_frame_init
-};
-
-static void
-mips_irix_init_abi (struct gdbarch_info info,
-                    struct gdbarch *gdbarch)
-{
-  set_solib_ops (gdbarch, &irix_so_ops);
-  tramp_frame_prepend_unwinder (gdbarch, &mips_irix_n32_stack_tramp_frame);
-  tramp_frame_prepend_unwinder (gdbarch, &mips_irix_n32_tramp_frame);
-}
-
-/* Provide a prototype to silence -Wmissing-prototypes.  */
-extern initialize_file_ftype _initialize_mips_irix_tdep;
-
-void
-_initialize_mips_irix_tdep (void)
-{
-  /* Register an ELF OS ABI sniffer for IRIX binaries.  */
-  gdbarch_register_osabi_sniffer (bfd_arch_mips,
-				  bfd_target_elf_flavour,
-				  mips_irix_elf_osabi_sniffer);
-
-  gdbarch_register_osabi (bfd_arch_mips, 0, GDB_OSABI_IRIX,
-			  mips_irix_init_abi);
-}
diff --git a/gdb/solib-irix.c b/gdb/solib-irix.c
deleted file mode 100644
index 00236bf..0000000
--- a/gdb/solib-irix.c
+++ /dev/null
@@ -1,610 +0,0 @@
-/* Shared library support for IRIX.
-   Copyright (C) 1993-2014 Free Software Foundation, Inc.
-
-   This file was created using portions of irix5-nat.c originally
-   contributed to GDB by Ian Lance Taylor.
-
-   This file is part of GDB.
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 3 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
-
-#include "defs.h"
-
-#include "symtab.h"
-#include "bfd.h"
-/* FIXME: ezannoni/2004-02-13 Verify that the include below is
-   really needed.  */
-#include "symfile.h"
-#include "objfiles.h"
-#include "gdbcore.h"
-#include "target.h"
-#include "inferior.h"
-#include "infrun.h"
-#include "gdbthread.h"
-
-#include "solist.h"
-#include "solib.h"
-#include "solib-irix.h"
-
-
-/* Link map info to include in an allocate so_list entry.  Unlike some
-   of the other solib backends, this (Irix) backend chooses to decode
-   the link map info obtained from the target and store it as (mostly)
-   CORE_ADDRs which need no further decoding.  This is more convenient
-   because there are three different link map formats to worry about.
-   We use a single routine (fetch_lm_info) to read (and decode) the target
-   specific link map data.  */
-
-struct lm_info
-{
-  CORE_ADDR addr;		/* address of obj_info or obj_list
-				   struct on target (from which the
-				   following information is obtained).  */
-  CORE_ADDR next;		/* address of next item in list.  */
-  CORE_ADDR reloc_offset;	/* amount to relocate by  */
-  CORE_ADDR pathname_addr;	/* address of pathname  */
-  int pathname_len;		/* length of pathname */
-};
-
-/* It's not desirable to use the system header files to obtain the
-   structure of the obj_list or obj_info structs.  Therefore, we use a
-   platform neutral representation which has been derived from the IRIX
-   header files.  */
-
-typedef struct
-{
-  gdb_byte b[4];
-}
-gdb_int32_bytes;
-typedef struct
-{
-  gdb_byte b[8];
-}
-gdb_int64_bytes;
-
-/* The "old" obj_list struct.  This is used with old (o32) binaries.
-   The ``data'' member points at a much larger and more complicated
-   struct which we will only refer to by offsets.  See
-   fetch_lm_info().  */
-
-struct irix_obj_list
-{
-  gdb_int32_bytes data;
-  gdb_int32_bytes next;
-  gdb_int32_bytes prev;
-};
-
-/* The ELF32 and ELF64 versions of the above struct.  The oi_magic value
-   corresponds to the ``data'' value in the "old" struct.  When this value
-   is 0xffffffff, the data will be in one of the following formats.  The
-   ``oi_size'' field is used to decide which one we actually have.  */
-
-struct irix_elf32_obj_info
-{
-  gdb_int32_bytes oi_magic;
-  gdb_int32_bytes oi_size;
-  gdb_int32_bytes oi_next;
-  gdb_int32_bytes oi_prev;
-  gdb_int32_bytes oi_ehdr;
-  gdb_int32_bytes oi_orig_ehdr;
-  gdb_int32_bytes oi_pathname;
-  gdb_int32_bytes oi_pathname_len;
-};
-
-struct irix_elf64_obj_info
-{
-  gdb_int32_bytes oi_magic;
-  gdb_int32_bytes oi_size;
-  gdb_int64_bytes oi_next;
-  gdb_int64_bytes oi_prev;
-  gdb_int64_bytes oi_ehdr;
-  gdb_int64_bytes oi_orig_ehdr;
-  gdb_int64_bytes oi_pathname;
-  gdb_int32_bytes oi_pathname_len;
-  gdb_int32_bytes padding;
-};
-
-/* Union of all of the above (plus a split out magic field).  */
-
-union irix_obj_info
-{
-  gdb_int32_bytes magic;
-  struct irix_obj_list ol32;
-  struct irix_elf32_obj_info oi32;
-  struct irix_elf64_obj_info oi64;
-};
-
-/* MIPS sign extends its 32 bit addresses.  We could conceivably use
-   extract_typed_address here, but to do so, we'd have to construct an
-   appropriate type.  Calling extract_signed_integer seems simpler.  */
-
-static CORE_ADDR
-extract_mips_address (void *addr, int len, enum bfd_endian byte_order)
-{
-  return extract_signed_integer (addr, len, byte_order);
-}
-
-/* Fetch and return the link map data associated with ADDR.  Note that
-   this routine automatically determines which (of three) link map
-   formats is in use by the target.  */
-
-static struct lm_info
-fetch_lm_info (CORE_ADDR addr)
-{
-  enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ());
-  struct lm_info li;
-  union irix_obj_info buf;
-
-  li.addr = addr;
-
-  /* The smallest region that we'll need is for buf.ol32.  We'll read
-     that first.  We'll read more of the buffer later if we have to deal
-     with one of the other cases.  (We don't want to incur a memory error
-     if we were to read a larger region that generates an error due to
-     being at the end of a page or the like.)  */
-  read_memory (addr, (gdb_byte *) &buf, sizeof (buf.ol32));
-
-  if (extract_unsigned_integer (buf.magic.b, sizeof (buf.magic), byte_order)
-      != 0xffffffff)
-    {
-      /* Use buf.ol32...  */
-      gdb_byte obj_buf[432];
-      CORE_ADDR obj_addr = extract_mips_address (&buf.ol32.data,
-						 sizeof (buf.ol32.data),
-						 byte_order);
-
-      li.next = extract_mips_address (&buf.ol32.next,
-				      sizeof (buf.ol32.next), byte_order);
-
-      read_memory (obj_addr, obj_buf, sizeof (obj_buf));
-
-      li.pathname_addr = extract_mips_address (&obj_buf[236], 4, byte_order);
-      li.pathname_len = 0;	/* unknown */
-      li.reloc_offset = extract_mips_address (&obj_buf[196], 4, byte_order)
-	- extract_mips_address (&obj_buf[248], 4, byte_order);
-
-    }
-  else if (extract_unsigned_integer (buf.oi32.oi_size.b,
-				     sizeof (buf.oi32.oi_size), byte_order)
-	   == sizeof (buf.oi32))
-    {
-      /* Use buf.oi32...  */
-
-      /* Read rest of buffer.  */
-      read_memory (addr + sizeof (buf.ol32),
-		   ((gdb_byte *) &buf) + sizeof (buf.ol32),
-		   sizeof (buf.oi32) - sizeof (buf.ol32));
-
-      /* Fill in fields using buffer contents.  */
-      li.next = extract_mips_address (&buf.oi32.oi_next,
-				      sizeof (buf.oi32.oi_next), byte_order);
-      li.reloc_offset = extract_mips_address (&buf.oi32.oi_ehdr,
-					      sizeof (buf.oi32.oi_ehdr),
-					      byte_order)
-	- extract_mips_address (&buf.oi32.oi_orig_ehdr,
-				sizeof (buf.oi32.oi_orig_ehdr), byte_order);
-      li.pathname_addr = extract_mips_address (&buf.oi32.oi_pathname,
-					       sizeof (buf.oi32.oi_pathname),
-					       byte_order);
-      li.pathname_len = extract_unsigned_integer (buf.oi32.oi_pathname_len.b,
-						  sizeof (buf.oi32.
-							  oi_pathname_len),
-						  byte_order);
-    }
-  else if (extract_unsigned_integer (buf.oi64.oi_size.b,
-				     sizeof (buf.oi64.oi_size), byte_order)
-	   == sizeof (buf.oi64))
-    {
-      /* Use buf.oi64...  */
-
-      /* Read rest of buffer.  */
-      read_memory (addr + sizeof (buf.ol32),
-		   ((gdb_byte *) &buf) + sizeof (buf.ol32),
-		   sizeof (buf.oi64) - sizeof (buf.ol32));
-
-      /* Fill in fields using buffer contents.  */
-      li.next = extract_mips_address (&buf.oi64.oi_next,
-				      sizeof (buf.oi64.oi_next), byte_order);
-      li.reloc_offset = extract_mips_address (&buf.oi64.oi_ehdr,
-					      sizeof (buf.oi64.oi_ehdr),
-					      byte_order)
-	- extract_mips_address (&buf.oi64.oi_orig_ehdr,
-				sizeof (buf.oi64.oi_orig_ehdr), byte_order);
-      li.pathname_addr = extract_mips_address (&buf.oi64.oi_pathname,
-					       sizeof (buf.oi64.oi_pathname),
-					       byte_order);
-      li.pathname_len = extract_unsigned_integer (buf.oi64.oi_pathname_len.b,
-						  sizeof (buf.oi64.
-							  oi_pathname_len),
-						  byte_order);
-    }
-  else
-    {
-      error (_("Unable to fetch shared library obj_info or obj_list info."));
-    }
-
-  return li;
-}
-
-/* The symbol which starts off the list of shared libraries.  */
-#define DEBUG_BASE "__rld_obj_head"
-
-static CORE_ADDR debug_base;	/* Base of dynamic linker structures.  */
-
-/* Locate the base address of dynamic linker structs.
-
-   For both the SunOS and SVR4 shared library implementations, if the
-   inferior executable has been linked dynamically, there is a single
-   address somewhere in the inferior's data space which is the key to
-   locating all of the dynamic linker's runtime structures.  This
-   address is the value of the symbol defined by the macro DEBUG_BASE.
-   The job of this function is to find and return that address, or to
-   return 0 if there is no such address (the executable is statically
-   linked for example).
-
-   For SunOS, the job is almost trivial, since the dynamic linker and
-   all of it's structures are statically linked to the executable at
-   link time.  Thus the symbol for the address we are looking for has
-   already been added to the minimal symbol table for the executable's
-   objfile at the time the symbol file's symbols were read, and all we
-   have to do is look it up there.  Note that we explicitly do NOT want
-   to find the copies in the shared library.
-
-   The SVR4 version is much more complicated because the dynamic linker
-   and it's structures are located in the shared C library, which gets
-   run as the executable's "interpreter" by the kernel.  We have to go
-   to a lot more work to discover the address of DEBUG_BASE.  Because
-   of this complexity, we cache the value we find and return that value
-   on subsequent invocations.  Note there is no copy in the executable
-   symbol tables.
-
-   Irix 5 is basically like SunOS.
-
-   Note that we can assume nothing about the process state at the time
-   we need to find this address.  We may be stopped on the first instruc-
-   tion of the interpreter (C shared library), the first instruction of
-   the executable itself, or somewhere else entirely (if we attached
-   to the process for example).  */
-
-static CORE_ADDR
-locate_base (void)
-{
-  struct bound_minimal_symbol msymbol;
-  CORE_ADDR address = 0;
-
-  msymbol = lookup_minimal_symbol (DEBUG_BASE, NULL, symfile_objfile);
-  if ((msymbol.minsym != NULL) && (BMSYMBOL_VALUE_ADDRESS (msymbol) != 0))
-    {
-      address = BMSYMBOL_VALUE_ADDRESS (msymbol);
-    }
-  return (address);
-}
-
-
-/* Arrange for dynamic linker to hit breakpoint.
-
-   This functions inserts a breakpoint at the entry point of the
-   main executable, where all shared libraries are mapped in.  */
-
-static int
-enable_break (void)
-{
-  if (symfile_objfile != NULL && has_stack_frames ())
-    {
-      CORE_ADDR entry_point;
-
-      if (entry_point_address_query (&entry_point))
-	{
-	  create_solib_event_breakpoint (target_gdbarch (), entry_point);
-	  return 1;
-	}
-    }
-
-  return 0;
-}
-
-/* Implement the "handle_event" target_solib_ops method.  */
-
-static void
-irix_solib_handle_event (void)
-{
-  /* We are now at the "mapping complete" breakpoint, we no longer
-     need it.  Note that it is possible that we have stopped at a
-     location that is different from the location where we inserted
-     our breakpoint: On mips-irix, we can actually land in
-     __dbx_link(), so we should not check the PC against our
-     breakpoint address here.  See procfs.c for more details.  Note
-     we're being called by the bpstat handling code, and so can't
-     delete the breakpoint immediately.  Mark it for later deletion,
-     which has the same effect (it'll be removed before we next resume
-     or if we're stopping).  */
-  remove_solib_event_breakpoints_at_next_stop ();
-
-  /* The caller calls solib_add, which will add any shared libraries
-     that were mapped in.  */
-}
-
-/* Implement the "create_inferior_hook" target_solib_ops method.
-
-   For SunOS executables, this first instruction is typically the
-   one at "_start", or a similar text label, regardless of whether
-   the executable is statically or dynamically linked.  The runtime
-   startup code takes care of dynamically linking in any shared
-   libraries, once gdb allows the inferior to continue.
-
-   For SVR4 executables, this first instruction is either the first
-   instruction in the dynamic linker (for dynamically linked
-   executables) or the instruction at "start" for statically linked
-   executables.  For dynamically linked executables, the system
-   first exec's /lib/libc.so.N, which contains the dynamic linker,
-   and starts it running.  The dynamic linker maps in any needed
-   shared libraries, maps in the actual user executable, and then
-   jumps to "start" in the user executable.
-
-   For both SunOS shared libraries, and SVR4 shared libraries, we
-   can arrange to cooperate with the dynamic linker to discover the
-   names of shared libraries that are dynamically linked, and the
-   base addresses to which they are linked.
-
-   This function is responsible for discovering those names and
-   addresses, and saving sufficient information about them to allow
-   their symbols to be read at a later time.
-
-   FIXME
-
-   Between enable_break() and disable_break(), this code does not
-   properly handle hitting breakpoints which the user might have
-   set in the startup code or in the dynamic linker itself.  Proper
-   handling will probably have to wait until the implementation is
-   changed to use the "breakpoint handler function" method.
-
-   Also, what if child has exit()ed?  Must exit loop somehow.  */
-
-static void
-irix_solib_create_inferior_hook (int from_tty)
-{
-  struct inferior *inf;
-  struct thread_info *tp;
-
-  inf = current_inferior ();
-
-  /* If we are attaching to the inferior, the shared libraries
-     have already been mapped, so nothing more to do.  */
-  if (inf->attach_flag)
-    return;
-
-  /* Likewise when debugging from a core file, the shared libraries
-     have already been mapped, so nothing more to do.  */
-  if (!target_can_run (&current_target))
-    return;
-
-  if (!enable_break ())
-    {
-      warning (_("shared library handler failed to enable breakpoint"));
-      return;
-    }
-
-  /* The target will eventually hit the breakpoint, at which point all
-     of the libraries will have been mapped in and we can go groveling
-     around in the dynamic linker structures to find out what we need
-     to know about them.  */
-}
-
-/* Implement the "current_sos" target_so_ops method.  */
-
-static struct so_list *
-irix_current_sos (void)
-{
-  enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ());
-  int addr_size = gdbarch_addr_bit (target_gdbarch ()) / TARGET_CHAR_BIT;
-  CORE_ADDR lma;
-  gdb_byte addr_buf[8];
-  struct so_list *head = 0;
-  struct so_list **link_ptr = &head;
-  int is_first = 1;
-  struct lm_info lm;
-
-  /* Make sure we've looked up the inferior's dynamic linker's base
-     structure.  */
-  if (!debug_base)
-    {
-      debug_base = locate_base ();
-
-      /* If we can't find the dynamic linker's base structure, this
-         must not be a dynamically linked executable.  Hmm.  */
-      if (!debug_base)
-	return 0;
-    }
-
-  read_memory (debug_base, addr_buf, addr_size);
-  lma = extract_mips_address (addr_buf, addr_size, byte_order);
-
-  while (lma)
-    {
-      lm = fetch_lm_info (lma);
-      if (!is_first)
-	{
-	  int errcode;
-	  char *name_buf;
-	  int name_size;
-	  struct so_list *new
-	    = (struct so_list *) xmalloc (sizeof (struct so_list));
-	  struct cleanup *old_chain = make_cleanup (xfree, new);
-
-	  memset (new, 0, sizeof (*new));
-
-	  new->lm_info = xmalloc (sizeof (struct lm_info));
-	  make_cleanup (xfree, new->lm_info);
-
-	  *new->lm_info = lm;
-
-	  /* Extract this shared object's name.  */
-	  name_size = lm.pathname_len;
-	  if (name_size == 0)
-	    name_size = SO_NAME_MAX_PATH_SIZE - 1;
-
-	  if (name_size >= SO_NAME_MAX_PATH_SIZE)
-	    {
-	      name_size = SO_NAME_MAX_PATH_SIZE - 1;
-	      warning (_("current_sos: truncating name of "
-		         "%d characters to only %d characters"),
-		       lm.pathname_len, name_size);
-	    }
-
-	  target_read_string (lm.pathname_addr, &name_buf,
-			      name_size, &errcode);
-	  if (errcode != 0)
-	    warning (_("Can't read pathname for load map: %s."),
-		       safe_strerror (errcode));
-	  else
-	    {
-	      strncpy (new->so_name, name_buf, name_size);
-	      new->so_name[name_size] = '\0';
-	      xfree (name_buf);
-	      strcpy (new->so_original_name, new->so_name);
-	    }
-
-	  new->next = 0;
-	  *link_ptr = new;
-	  link_ptr = &new->next;
-
-	  discard_cleanups (old_chain);
-	}
-      is_first = 0;
-      lma = lm.next;
-    }
-
-  return head;
-}
-
-/* Implement the "open_symbol_file_object" target_so_ops method.
-
-   If no open symbol file, attempt to locate and open the main symbol
-   file.  On IRIX, this is the first link map entry.  If its name is
-   here, we can open it.  Useful when attaching to a process without
-   first loading its symbol file.  */
-
-static int
-irix_open_symbol_file_object (void *from_ttyp)
-{
-  enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ());
-  int addr_size = gdbarch_addr_bit (target_gdbarch ()) / TARGET_CHAR_BIT;
-  CORE_ADDR lma;
-  gdb_byte addr_buf[8];
-  struct lm_info lm;
-  struct cleanup *cleanups;
-  int errcode;
-  int from_tty = *(int *) from_ttyp;
-  char *filename;
-
-  if (symfile_objfile)
-    if (!query (_("Attempt to reload symbols from process? ")))
-      return 0;
-
-  if ((debug_base = locate_base ()) == 0)
-    return 0;			/* failed somehow...  */
-
-  /* First link map member should be the executable.  */
-  read_memory (debug_base, addr_buf, addr_size);
-  lma = extract_mips_address (addr_buf, addr_size, byte_order);
-  if (lma == 0)
-    return 0;			/* failed somehow...  */
-
-  lm = fetch_lm_info (lma);
-
-  if (lm.pathname_addr == 0)
-    return 0;			/* No filename.  */
-
-  /* Now fetch the filename from target memory.  */
-  target_read_string (lm.pathname_addr, &filename, SO_NAME_MAX_PATH_SIZE - 1,
-		      &errcode);
-
-  if (errcode)
-    {
-      warning (_("failed to read exec filename from attached file: %s"),
-	       safe_strerror (errcode));
-      return 0;
-    }
-
-  cleanups = make_cleanup (xfree, filename);
-  /* Have a pathname: read the symbol file.  */
-  symbol_file_add_main (filename, from_tty);
-
-  do_cleanups (cleanups);
-
-  return 1;
-}
-
-/* Implement the "special_symbol_handling" target_so_ops method.
-
-   For IRIX, there's nothing to do.  */
-
-static void
-irix_special_symbol_handling (void)
-{
-}
-
-/* Using the solist entry SO, relocate the addresses in SEC.  */
-
-static void
-irix_relocate_section_addresses (struct so_list *so,
-				 struct target_section *sec)
-{
-  sec->addr += so->lm_info->reloc_offset;
-  sec->endaddr += so->lm_info->reloc_offset;
-}
-
-/* Free the lm_info struct.  */
-
-static void
-irix_free_so (struct so_list *so)
-{
-  xfree (so->lm_info);
-}
-
-/* Clear backend specific state.  */
-
-static void
-irix_clear_solib (void)
-{
-  debug_base = 0;
-}
-
-/* Return 1 if PC lies in the dynamic symbol resolution code of the
-   run time loader.  */
-static int
-irix_in_dynsym_resolve_code (CORE_ADDR pc)
-{
-  return 0;
-}
-
-struct target_so_ops irix_so_ops;
-
-/* Provide a prototype to silence -Wmissing-prototypes.  */
-extern initialize_file_ftype _initialize_irix_solib;
-
-void
-_initialize_irix_solib (void)
-{
-  irix_so_ops.relocate_section_addresses = irix_relocate_section_addresses;
-  irix_so_ops.free_so = irix_free_so;
-  irix_so_ops.clear_solib = irix_clear_solib;
-  irix_so_ops.solib_create_inferior_hook = irix_solib_create_inferior_hook;
-  irix_so_ops.special_symbol_handling = irix_special_symbol_handling;
-  irix_so_ops.current_sos = irix_current_sos;
-  irix_so_ops.open_symbol_file_object = irix_open_symbol_file_object;
-  irix_so_ops.in_dynsym_resolve_code = irix_in_dynsym_resolve_code;
-  irix_so_ops.bfd_open = solib_bfd_open;
-  irix_so_ops.handle_event = irix_solib_handle_event;
-}
diff --git a/gdb/solib-irix.h b/gdb/solib-irix.h
deleted file mode 100644
index 16382ca..0000000
--- a/gdb/solib-irix.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/* Handle shared libraries for GDB, the GNU Debugger.
-
-   Copyright (C) 2007-2014 Free Software Foundation, Inc.
-
-   This file is part of GDB.
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 3 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
-
-#ifndef SOLIB_IRIX_H
-#define SOLIB_IRIX_H
-
-struct target_so_ops;
-extern struct target_so_ops irix_so_ops;
-
-#endif /* solib-irix.h */
diff --git a/gdb/testsuite/gdb.base/bigcore.exp b/gdb/testsuite/gdb.base/bigcore.exp
index 9fbc3bd..571f86c 100644
--- a/gdb/testsuite/gdb.base/bigcore.exp
+++ b/gdb/testsuite/gdb.base/bigcore.exp
@@ -39,13 +39,6 @@ if { [istarget "*-*-*bsd*"]
     return
 }
 
-# This testcase causes too much stress (in terms of memory usage)
-# on certain systems...
-if { [istarget "*-*-*irix*"] } {
-    untested "Testcase too stressful for this system"
-    return
-}
-
 standard_testfile .c
 set corefile [standard_output_file ${binfile}.corefile]
 
diff --git a/gdb/testsuite/gdb.base/funcargs.exp b/gdb/testsuite/gdb.base/funcargs.exp
index 5cbd789..aa88072 100644
--- a/gdb/testsuite/gdb.base/funcargs.exp
+++ b/gdb/testsuite/gdb.base/funcargs.exp
@@ -158,7 +158,7 @@ proc float_and_integral_args {} {
 
     # Run; should stop at call2a and print actual arguments.
 
-    if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" "mips-sgi-irix5*" }
+    if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
     gdb_run_cmd
     set test "run to call2a"
     gdb_test_multiple "" $test {
@@ -181,7 +181,6 @@ proc float_and_integral_args {} {
     gdb_test "print d2" ".* = 5" "print d2 after run to call2a"
 
     setup_xfail "rs6000-*-*"
-    if {!$gcc_compiled} then { setup_xfail "mips-sgi-irix*" }
     # Continue; should stop at call2b and print actual arguments.
     if [gdb_test "cont" ".* call2b \\(f1=4, s=1, d1=5, i=2, f2=4, l=3, d2=5, c=97 'a'\\) .*" "continue to call2b"] {
 	gdb_suppress_tests
@@ -486,10 +485,6 @@ proc discard_and_shuffle {} {
 
     setup_xfail "rs6000-*-*"
 
-    if {!$gcc_compiled} {
-	setup_xfail "mips-sgi-irix5*"
-    }
-
     gdb_test_multiple "backtrace 100" "backtrace from call6a" {
 	-re " call6a \\(c=97 'a', s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .* main \\(.*\\) .*$gdb_prompt $" {
 	    pass "backtrace from call6a"
@@ -710,7 +705,7 @@ proc shuffle_round_robin {} {
     gdb_run_cmd
     gdb_test "" "Breakpoint $decimal, call7a .*" "run to call7a"
 
-    if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" "mips-sgi-irix5*" }
+    if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
     gdb_test_multiple "backtrace 100" "backtrace from call7a" {
 	-re " call7a \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\) .* main \\(.*\\) .*$gdb_prompt $" {
 	    pass "backtrace from call7a"
@@ -863,7 +858,6 @@ proc shuffle_round_robin {} {
 
     gdb_continue call7k
 
-    if {!$gcc_compiled} then { setup_xfail "mips-sgi-irix*" }
     gdb_test_sequence "backtrace 100" "backtrace from call7k" {
 	"\[\r\n\]#0 .* call7k \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\) "
 	"\[\r\n\]#1 .* call7j \\(ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8\\) "
diff --git a/gdb/testsuite/gdb.base/interrupt.exp b/gdb/testsuite/gdb.base/interrupt.exp
index 816f379..6c166cc 100644
--- a/gdb/testsuite/gdb.base/interrupt.exp
+++ b/gdb/testsuite/gdb.base/interrupt.exp
@@ -119,7 +119,6 @@ if ![file exists $binfile] then {
 		setup_xfail "vax-*-*"
 		setup_xfail "alpha-*-*"
 		setup_xfail "*-*-*bsd*"
-		setup_xfail "*-*-irix*"
 		setup_xfail "*-*-hpux*"
 		setup_xfail "*-*-*lynx*"
 		fail "call function when asleep (stays asleep)"
diff --git a/gdb/testsuite/gdb.base/mips_pro.exp b/gdb/testsuite/gdb.base/mips_pro.exp
index 560e102..cc2c6b5 100644
--- a/gdb/testsuite/gdb.base/mips_pro.exp
+++ b/gdb/testsuite/gdb.base/mips_pro.exp
@@ -40,7 +40,7 @@ if [runto middle] then {
     #   warning: Hit heuristic-fence-post without finding
     #   warning: enclosing function for pc 0x1006ead0
     if { [test_compiler_info gcc-*-*] } then {
-	setup_xfail "mips*-sgi-irix4*" "mips64*-*-elf"
+	setup_xfail "mips64*-*-elf"
     }
     # The call chain is main -> top -> middle.  But gcc can optimize a tail
     # call to a jump, so the stack may contain either main -> top -> middle
diff --git a/gdb/testsuite/gdb.base/nodebug.exp b/gdb/testsuite/gdb.base/nodebug.exp
index cb704bb..a1dee0b 100644
--- a/gdb/testsuite/gdb.base/nodebug.exp
+++ b/gdb/testsuite/gdb.base/nodebug.exp
@@ -58,29 +58,17 @@ if [runto inner] then {
     # On alpha (and other ecoff systems) the native compilers put
     # out debugging info for non-aggregate return values of functions
     # even without -g, which should be accepted.
-    # Irix5, even though it is ELF, counts as "ecoff" because it
-    # encapsulates ecoff debugging info in a .mdebug section.
-    # Irix6 gcc emits no debug info at all for static functions and
-    # variables, so all tests involving statics fail.
-    
-    if {![test_compiler_info "gcc-*"]} then { setup_xfail "mips-sgi-irix5*" "mips-sgi-irix6*" }
+
     gdb_test "p top" \
 	"\{(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))\} \[0-9a-fx]* <\\.?top(\\(int\\)|)>"
-    if {![test_compiler_info "gcc-*"]} then { setup_xfail "mips-sgi-irix5*" "mips-sgi-irix6*" }
     gdb_test "whatis top" \
 	"(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))"
-    if {![test_compiler_info "gcc-*"]} then { setup_xfail "mips-sgi-irix6*" }
     gdb_test "ptype top" "(short|int) \\((|void|int|<non-float parameter>|<non-float parameter>, <non-float parameter>)\\)"
     
-    if {![test_compiler_info "gcc-*"]} then { setup_xfail "mips-sgi-irix5*" }
-    setup_xfail "mips-sgi-irix6*"
     gdb_test "p middle" \
 	"\{(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))\} \[0-9a-fx]* <\\.?middle(\\(int\\)|)>"
-    if {![test_compiler_info "gcc-*"]} then { setup_xfail "mips-sgi-irix5*" }
-    setup_xfail "mips-sgi-irix6*"
     gdb_test "whatis middle" \
 	"(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))"
-    setup_xfail "mips-sgi-irix6*"
     gdb_test "ptype middle" "(short|int) \\((|void|int|<non-float parameter>|<non-float parameter>, <non-float parameter>)\\)"
     
     gdb_test "p dataglobal" "= 3"
@@ -93,9 +81,7 @@ if [runto inner] then {
     # doesn't know the variables exist at all.
     setup_xfail "rs6000*-*-aix*"
     setup_xfail "powerpc*-*-aix*"
-    if [test_compiler_info "gcc-*"] {
-        setup_xfail "mips-sgi-irix6*"
-    } else {
+    if ![test_compiler_info "gcc-*"] {
         setup_xfail "hppa*-*-hpux*"
     }
 
@@ -103,9 +89,7 @@ if [runto inner] then {
 
     setup_xfail "rs6000*-*-aix*"
     setup_xfail "powerpc*-*-aix*"
-    if [test_compiler_info "gcc-*"] {
-        setup_xfail "mips-sgi-irix6*"
-    } else {
+    if ![test_compiler_info "gcc-*"] {
         setup_xfail "hppa*-*-hpux*"
     }
 
@@ -113,9 +97,7 @@ if [runto inner] then {
 
     setup_xfail "rs6000*-*-aix*"
     setup_xfail "powerpc*-*-aix*"
-    if [test_compiler_info "gcc-*"] {
-        setup_xfail "mips-sgi-irix6*"
-    } else {
+    if ![test_compiler_info "gcc-*"] {
         setup_xfail "hppa*-*-hpux*"
     }
 
@@ -126,9 +108,7 @@ if [runto inner] then {
     
     setup_xfail "rs6000*-*-aix*"
     setup_xfail "powerpc*-*-aix*"
-    if [test_compiler_info "gcc-*"] {
-        setup_xfail "mips-sgi-irix6*"
-    } else {
+    if ![test_compiler_info "gcc-*"] {
         setup_xfail "hppa*-*-hpux*"
     }
 
@@ -136,9 +116,7 @@ if [runto inner] then {
 
     setup_xfail "rs6000*-*-aix*"
     setup_xfail "powerpc*-*-aix*"
-    if [test_compiler_info "gcc-*"] {
-        setup_xfail "mips-sgi-irix6*"
-    } else {
+    if ![test_compiler_info "gcc-*"] {
         setup_xfail "hppa*-*-hpux*"
     }
 
@@ -146,17 +124,11 @@ if [runto inner] then {
 
     setup_xfail "rs6000*-*-aix*"
     setup_xfail "powerpc*-*-aix*"
-    if [test_compiler_info "gcc-*"] {
-        setup_xfail "mips-sgi-irix6*"
-    } else {
+    if ![test_compiler_info "gcc-*"] {
         setup_xfail "hppa*-*-hpux*"
     }
     gdb_test "ptype bsslocal" "<(data variable|variable), no debug info>"
     
-    if [test_compiler_info "gcc-*"] {
-        setup_xfail "mips-sgi-irix6*" 
-    }
-
     gdb_test "backtrace 10" "#0.*inner.*#1.*middle.*#2.*top.*#3.*main.*" \
 	"backtrace from inner in nodebug.exp"
     # Or if that doesn't work, at least hope for the external symbols
@@ -167,9 +139,6 @@ if [runto inner] then {
     
     # This test is not as obscure as it might look.  `p getenv ("TERM")'
     # is a real-world example, at least on many systems.
-    if { ! [test_compiler_info "gcc-*"]} {
-        setup_xfail "mips-sgi-irix6*" 
-    }
     if [target_info exists gdb,cannot_call_functions] {
 	setup_xfail "*-*-*" 2416
 	fail "p/c array_index(\"abcdef\",2)"
@@ -204,9 +173,6 @@ if [runto inner] then {
     
     # Now, try that we can give names of file-local symbols which happen
     # to be unique, and have it still work
-    if [test_compiler_info "gcc-*"] {
-        setup_xfail "mips-sgi-irix6*"
-    }
     if [runto middle] then {
 	gdb_test "backtrace 10" "#0.*middle.*#1.*top.*#2.*main.*" \
 	    "backtrace from middle in nodebug.exp"
diff --git a/gdb/testsuite/gdb.base/opaque.exp b/gdb/testsuite/gdb.base/opaque.exp
index 84a5989..70a58dd 100644
--- a/gdb/testsuite/gdb.base/opaque.exp
+++ b/gdb/testsuite/gdb.base/opaque.exp
@@ -56,9 +56,9 @@ proc setup_xfail_on_opaque_pointer {} {
 	global gcc_compiled
 
 	setup_xfail "vax-*-*" "i*86-sequent-bsd*"
-	if {!$gcc_compiled} then {
-		setup_xfail "alpha-*-*" "mips-sgi-irix5*"
-	}
+       if {!$gcc_compiled} then {
+               setup_xfail "alpha-*-*"
+       }
 }
 
 # This seems easier than trying to track different versions of xlc; I'm
diff --git a/gdb/testsuite/gdb.base/setvar.exp b/gdb/testsuite/gdb.base/setvar.exp
index f836e38..6a860a6 100644
--- a/gdb/testsuite/gdb.base/setvar.exp
+++ b/gdb/testsuite/gdb.base/setvar.exp
@@ -123,7 +123,6 @@ test_set "set variable v_signed_char=97" "print v_signed_char" ".\[0-9\]* = 97 \
 test_set "set variable v_signed_char=126" "print v_signed_char" ".\[0-9\]* = 126 \'~\'"        "set variable signed char=126 ('~')" 
 test_set "set variable v_signed_char=127" "print v_signed_char" ".\[0-9\]* = 127 \'.177\'"        "set variable signed char=127 (8-bit)" 
 gdb_test_no_output "set variable v_signed_char=-1"
-if {!$gcc_compiled} then { setup_xfail "mips-sgi-irix4*" }
 
 with_target_charset "ASCII" {
     gdb_test "print v_signed_char" ".\[0-9\]* = -1 \'.377\'" \
@@ -131,7 +130,6 @@ with_target_charset "ASCII" {
 }
 
 gdb_test_no_output "set variable v_signed_char=0xFF"
-if {!$gcc_compiled} then { setup_xfail "mips-sgi-irix4*" }
 
 with_target_charset "ASCII" {
     gdb_test "print v_signed_char" ".\[0-9\]* = -1 \'.377\'" \
diff --git a/gdb/testsuite/gdb.base/whatis.exp b/gdb/testsuite/gdb.base/whatis.exp
index ca1dcf5..40df24a 100644
--- a/gdb/testsuite/gdb.base/whatis.exp
+++ b/gdb/testsuite/gdb.base/whatis.exp
@@ -67,7 +67,6 @@ gdb_test "whatis v_char" \
     "type = (unsigned char|char)" \
     "whatis char"
 
-if {!$gcc_compiled} then { setup_xfail "mips-sgi-irix*" }
 gdb_test "whatis v_signed_char" \
     "type = (signed char|char)" \
     "whatis signed char"
diff --git a/gdb/testsuite/lib/gdb.exp b/gdb/testsuite/lib/gdb.exp
index 47dc27b..7ac75a0 100644
--- a/gdb/testsuite/lib/gdb.exp
+++ b/gdb/testsuite/lib/gdb.exp
@@ -2563,8 +2563,8 @@ set hp_aCC_compiler		0
 #   if the build machine is the same as the host machine, which is
 #   usually true of the targets which are not gcc.  But this code does
 #   not figure which compiler to call, and it always ends up using the C
-#   compiler.  Not good for setting hp_aCC_compiler.  Targets
-#   hppa*-*-hpux* and mips*-*-irix* used to do this.
+#   compiler.  Not good for setting hp_aCC_compiler.  Target
+#   hppa*-*-hpux* used to do this.
 #
 # [ gdb_compile -E $ifile > $binfile.ci ]
 # source $binfile.ci
@@ -2975,10 +2975,6 @@ proc gdb_compile_shlib {sources dest options} {
                 "hppa*-hp-hpux*" {
                     lappend obj_options "additional_flags=+z"
                 }
-                "mips-sgi-irix*" {
-                    # Disable SGI compiler's implicit -Dsgi
-                    lappend obj_options "additional_flags=-Usgi"
-                } 
                 default {
                     # don't know what the compiler is...
                 }
-- 
1.9.3


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