Update.

2001-09-07  Tom Rix  <trix@redhat.com>

	* sysdeps/unix/sysv/aix/sysv_termio.h: New file.

2001-08-26  Tom Rix  <trix@redhat.com>

	* sysdeps/unix/sysv/aix/Makefile (aix-syscalls.o): More linker
	command line options.
	* sysdeps/unix/sysv/aix/start.s: New file, rework of start.c
	* sysdeps/unix/sysv/aix/start.c: Removed.
	* sysdeps/unix/sysv/aix/start-libc.c: New file.
	* sysdeps/unix/sysv/aix/init-first.c: New file.
	* sysdeps/unix/sysv/aix/fcntl.c: Alias __libc_fcntl to __fcntl.

2001-09-08  Ben Collins  <bcollins@debian.org>

	* sysdeps/arm/dl-machine.h: Fix usage of new _dl_signal_error() format.
	* sysdeps/generic/dl-machine.h: Likewise.
	* sysdeps/hppa/dl-fptr.c: Likewise.
	* sysdeps/ia64/dl-fptr.c: Likewise.
	* sysdeps/mach/hurd/dl-sysdep.c: Likewise.
	* sysdeps/mips/dl-machine.h: Likewise.
	* sysdeps/mips/mips64/dl-machine.h: Likewise.
	* sysdeps/powerpc/dl-machine.c: Likewise.

2001-09-07  Ben Collins  <bcollins@debian.org>

	* sysdeps/sparc/sparc32/dl-machine.h: Fix typo.

	* sysdeps/hppa/dl-lookupcfg.h: Forward declare struct link_map.

	* elf/dl-lookup.c (add_dependency): Bump l_opencount of all
	dependencies if necessary.

20 files changed, 706 insertions, 314 deletions

diff --git a/ChangeLog b/ChangeLog
index 81ba6caab6..afaa0d8da9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,39 @@
+2001-09-07  Tom Rix  <trix@redhat.com>
+
+	* sysdeps/unix/sysv/aix/sysv_termio.h: New file.
+
+2001-08-26  Tom Rix  <trix@redhat.com>
+
+	* sysdeps/unix/sysv/aix/Makefile (aix-syscalls.o): More linker
+	command line options.
+	* sysdeps/unix/sysv/aix/start.s: New file, rework of start.c
+	* sysdeps/unix/sysv/aix/start.c: Removed.
+	* sysdeps/unix/sysv/aix/start-libc.c: New file.
+	* sysdeps/unix/sysv/aix/init-first.c: New file.
+	* sysdeps/unix/sysv/aix/fcntl.c: Alias __libc_fcntl to __fcntl.
+
+2001-09-08  Ben Collins  <bcollins@debian.org>
+
+	* sysdeps/arm/dl-machine.h: Fix usage of new _dl_signal_error() format.
+	* sysdeps/generic/dl-machine.h: Likewise.
+	* sysdeps/hppa/dl-fptr.c: Likewise.
+	* sysdeps/ia64/dl-fptr.c: Likewise.
+	* sysdeps/mach/hurd/dl-sysdep.c: Likewise.
+	* sysdeps/mips/dl-machine.h: Likewise.
+	* sysdeps/mips/mips64/dl-machine.h: Likewise.
+	* sysdeps/powerpc/dl-machine.c: Likewise.
+
+2001-09-07  Ben Collins  <bcollins@debian.org>
+
+	* sysdeps/sparc/sparc32/dl-machine.h: Fix typo.
+
+	* sysdeps/hppa/dl-lookupcfg.h: Forward declare struct link_map.
+
 2001-09-08  Ulrich Drepper  <drepper@redhat.com>
 
+	* elf/dl-lookup.c (add_dependency): Bump l_opencount of all
+	dependencies if necessary.
+
 	* elf/dl-close.c (_dl_close): If object has no r_list (i.e., wasn't
 	loaded directly) determine length if l_initfini list by iterating
 	over its elements.  Minor optimizations.
diff --git a/elf/dl-lookup.c b/elf/dl-lookup.c
index 26c839caa7..5fa50fc457 100644
--- a/elf/dl-lookup.c
+++ b/elf/dl-lookup.c
@@ -151,8 +151,15 @@ add_dependency (struct link_map *undef_map, struct link_map *map)
       if (__builtin_expect (act < undef_map->l_reldepsmax, 1))
 	undef_map->l_reldeps[undef_map->l_reldepsact++] = map;
 
-      /* And increment the counter in the referenced object.  */
-      ++map->l_opencount;
+      if (map->l_searchlist.r_list != NULL)
+	/* And increment the counter in the referenced object.  */
+	++map->l_opencount;
+      else
+	/* We have to bump the counts for all dependencies since so far
+	   this object was only a normal or transitive dependency.
+	   Now it might be closed with _dl_close() directly.  */
+	for (list = map->l_initfini; *list != NULL; ++list)
+	  ++(*list)->l_opencount;
 
       /* Display information if we are debugging.  */
       if (__builtin_expect (_dl_debug_mask & DL_DEBUG_FILES, 0))
diff --git a/elf/reldep2.c b/elf/reldep2.c
index aadb0cbfdb..ba5ab222f9 100644
--- a/elf/reldep2.c
+++ b/elf/reldep2.c
@@ -53,8 +53,8 @@ main (void)
       exit (1);
     }
 
-  /* Now close the first object.  If must still be around since we have
-     a implicit dependency.  */
+  /* Now close the first object.  It must still be around since we have
+     an implicit dependency.  */
   if (dlclose (h1) != 0)
     {
       printf ("closing h1 failed: %s\n", dlerror ());
diff --git a/sysdeps/arm/dl-machine.h b/sysdeps/arm/dl-machine.h
index 2a4ce9fb01..6abac52c90 100644
--- a/sysdeps/arm/dl-machine.h
+++ b/sysdeps/arm/dl-machine.h
@@ -501,7 +501,7 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
 		 topbits = newvalue & 0xfe000000;
 		 if (topbits != 0xfe000000 && topbits != 0x00000000)
 		   {
-		     _dl_signal_error (0, map->l_name,
+		     _dl_signal_error (0, map->l_name, NULL,
 				       "R_ARM_PC24 relocation out of range");
 		   }
 	       }
diff --git a/sysdeps/generic/dl-machine.h b/sysdeps/generic/dl-machine.h
index 963c95d88d..8b4425cea4 100644
--- a/sysdeps/generic/dl-machine.h
+++ b/sysdeps/generic/dl-machine.h
@@ -95,7 +95,7 @@ elf_machine_rela (Elf32_Addr loadaddr, Elf32_Dyn *info[DT_NUM],
 					 int noplt))
 {
   _dl_signal_error (0, "Elf32_Rela relocation requested -- unused on "
-		    ELF_MACHINE_NAME);
+		    NULL, ELF_MACHINE_NAME);
 }
 
 
diff --git a/sysdeps/hppa/dl-fptr.c b/sysdeps/hppa/dl-fptr.c
index 6cf8d37275..4f8cc8b5d1 100644
--- a/sysdeps/hppa/dl-fptr.c
+++ b/sysdeps/hppa/dl-fptr.c
@@ -101,7 +101,7 @@ __hppa_make_fptr (const struct link_map *sym_map, Elf32_Addr value,
 	      if (_dl_zerofd == -1)
 		{
 		  __close (fd);
-		  _dl_signal_error (errno, NULL,
+		  _dl_signal_error (errno, NULL, NULL,
 				    "cannot open zero fill device");
 		}
 	    }
@@ -110,7 +110,7 @@ __hppa_make_fptr (const struct link_map *sym_map, Elf32_Addr value,
 	  __fptr_next = __mmap (0, _dl_pagesize, PROT_READ | PROT_WRITE,
 				MAP_ANON | MAP_PRIVATE, ANONFD, 0);
 	  if (__fptr_next == MAP_FAILED)
-	    _dl_signal_error(errno, NULL, "cannot map page for fptr");
+	    _dl_signal_error(errno, NULL, NULL, "cannot map page for fptr");
 	  __fptr_count = _dl_pagesize / sizeof (struct hppa_fptr);
 	}
       f = __fptr_next++;
diff --git a/sysdeps/hppa/dl-lookupcfg.h b/sysdeps/hppa/dl-lookupcfg.h
index d15732b56d..d76ea1221d 100644
--- a/sysdeps/hppa/dl-lookupcfg.h
+++ b/sysdeps/hppa/dl-lookupcfg.h
@@ -23,6 +23,9 @@
 #define ELF_FUNCTION_PTR_IS_SPECIAL
 #define DL_UNMAP_IS_SPECIAL
 
+/* Forward declaration.  */
+struct link_map;
+
 void *_dl_symbol_address (const struct link_map *map, const ElfW(Sym) *ref);
 
 #define DL_SYMBOL_ADDRESS(map, ref) _dl_symbol_address(map, ref)
diff --git a/sysdeps/ia64/dl-fptr.c b/sysdeps/ia64/dl-fptr.c
index c31de86079..6916635281 100644
--- a/sysdeps/ia64/dl-fptr.c
+++ b/sysdeps/ia64/dl-fptr.c
@@ -109,7 +109,7 @@ new_fdesc_table (struct local *l)
   new_table = __mmap (0, size, PROT_READ | PROT_WRITE,
 		      MAP_ANON | MAP_PRIVATE, -1, 0);
   if (new_table == MAP_FAILED)
-    _dl_signal_error (errno, NULL, "cannot map pages for fdesc table");
+    _dl_signal_error (errno, NULL, NULL, "cannot map pages for fdesc table");
 
   new_table->len = (size - sizeof (*new_table)) / sizeof (struct ia64_fdesc);
   fdesc = &new_table->fdesc[0];
@@ -182,7 +182,7 @@ make_fptr_table (struct link_map *map)
   fptr_table = __mmap (NULL, size, PROT_READ | PROT_WRITE,
 		       MAP_ANON | MAP_PRIVATE, -1, 0);
   if (fptr_table == MAP_FAILED)
-    _dl_signal_error (errno, NULL, "cannot map pages for fptr table");
+    _dl_signal_error (errno, NULL, NULL, "cannot map pages for fptr table");
 
   map->l_mach.fptr_table_len = len;
   map->l_mach.fptr_table = fptr_table;
@@ -203,7 +203,7 @@ __ia64_make_fptr (struct link_map *map, const Elf64_Sym *sym, Elf64_Addr ip)
   symidx = sym - symtab;
 
   if (symidx >= map->l_mach.fptr_table_len)
-    _dl_signal_error (0, NULL,
+    _dl_signal_error (0, NULL, NULL,
 		      "internal error: symidx out of range of fptr table");
 
   if (!ftab[symidx])
diff --git a/sysdeps/mach/hurd/dl-sysdep.c b/sysdeps/mach/hurd/dl-sysdep.c
index 6442347890..a17e92aff3 100644
--- a/sysdeps/mach/hurd/dl-sysdep.c
+++ b/sysdeps/mach/hurd/dl-sysdep.c
@@ -615,7 +615,7 @@ _dl_important_hwcaps (const char *platform, size_t platform_len, size_t *sz,
   /* Return an empty array.  Hurd has no hardware capabilities.  */
   result = (struct r_strlenpair *) malloc (sizeof (*result));
   if (result == NULL)
-    _dl_signal_error (ENOMEM, NULL, "cannot create capability list");
+    _dl_signal_error (ENOMEM, NULL, NULL, "cannot create capability list");
 
   result[0].str = (char *) result;	/* Does not really matter.  */
   result[0].len = 0;
diff --git a/sysdeps/mips/dl-machine.h b/sysdeps/mips/dl-machine.h
index e066aad015..da9a5d3279 100644
--- a/sysdeps/mips/dl-machine.h
+++ b/sysdeps/mips/dl-machine.h
@@ -239,7 +239,7 @@ elf_machine_runtime_link_map (ElfW(Addr) gpreg, ElfW(Addr) stub_pc)
 	}
     }
 
-  _dl_signal_error (0, NULL, "cannot find runtime link map");
+  _dl_signal_error (0, NULL, NULL, "cannot find runtime link map");
   return NULL;
 }
 
diff --git a/sysdeps/mips/mips64/dl-machine.h b/sysdeps/mips/mips64/dl-machine.h
index 34a81615bb..d51f1e3cb1 100644
--- a/sysdeps/mips/mips64/dl-machine.h
+++ b/sysdeps/mips/mips64/dl-machine.h
@@ -311,7 +311,7 @@ elf_machine_runtime_link_map (ElfW(Addr) gpreg, ElfW(Addr) stub_pc)
 	}
     }
 
-  _dl_signal_error (0, NULL, "cannot find runtime link map");
+  _dl_signal_error (0, NULL, NULL, "cannot find runtime link map");
   return NULL;
 }
 
diff --git a/sysdeps/powerpc/dl-machine.c b/sysdeps/powerpc/dl-machine.c
index c9c4fe00d5..0e3164f70d 100644
--- a/sysdeps/powerpc/dl-machine.c
+++ b/sysdeps/powerpc/dl-machine.c
@@ -391,7 +391,7 @@ dl_reloc_overflow (struct link_map *map,
       t = stpcpy (t, "'");
     }
   t = stpcpy (t, " out of range");
-  _dl_signal_error (0, map->l_name, buffer);
+  _dl_signal_error (0, map->l_name, NULL, buffer);
 }
 
 void
diff --git a/sysdeps/sparc/sparc32/dl-machine.h b/sysdeps/sparc/sparc32/dl-machine.h
index a44ddbbd57..d98848b5dd 100644
--- a/sysdeps/sparc/sparc32/dl-machine.h
+++ b/sysdeps/sparc/sparc32/dl-machine.h
@@ -355,7 +355,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
   weak_extern (_dl_rtld_map);
 #endif
 
-#if !define RTLD_BOOTSTRAP || !defined HAVE_Z_COMBRELOC
+#if !defined RTLD_BOOTSTRAP || !defined HAVE_Z_COMBRELOC
   if (__builtin_expect (r_type == R_SPARC_RELATIVE, 0))
     {
 # if !defined RTLD_BOOTSTRAP && !defined HAVE_Z_COMBRELOC
diff --git a/sysdeps/unix/sysv/aix/Makefile b/sysdeps/unix/sysv/aix/Makefile
index 3fcf4bb3e9..2da5311091 100644
--- a/sysdeps/unix/sysv/aix/Makefile
+++ b/sysdeps/unix/sysv/aix/Makefile
@@ -11,11 +11,11 @@ sysdep_routines += aix-syscalls
 $(objpfx)aix-syscalls.o : /lib/syscalls.exp
 	echo "static int a;" > foo.c
 	$(CC) -c foo.c
-	ld -bM:SRE -bnoentry -bI:/lib/syscalls.exp -bE:/lib/syscalls.exp foo.o -o $@
+	ld -bM:SRE -bpT:0x00000000 -bpD:0x00000000 -bnoentry -bI:/lib/syscalls.exp -bE:/lib/syscalls.exp foo.o -o $@
 	rm foo.c foo.o
 
 
-endif 
+endif
 
 ifeq ($(subdir),misc)
 sysdep_routines  += dl-error dl-support dl-libc dl-open dl-sym \
@@ -39,4 +39,3 @@ inhibit-glue = yes
 ifeq ($(subdir),timezone)
 CPPFLAGS-zic.c = -Dunix
 endif
-
diff --git a/sysdeps/unix/sysv/aix/fcntl.c b/sysdeps/unix/sysv/aix/fcntl.c
index 196bbf52cd..8c5ba154c2 100644
--- a/sysdeps/unix/sysv/aix/fcntl.c
+++ b/sysdeps/unix/sysv/aix/fcntl.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -38,3 +38,4 @@ __fcntl (int fdes, int cmd, ...)
   return res;
 }
 strong_alias (__fcntl, fcntl)
+strong_alias (__fcntl, __libc_fcntl)
diff --git a/sysdeps/unix/sysv/aix/init-first.c b/sysdeps/unix/sysv/aix/init-first.c
new file mode 100644
index 0000000000..2c8e0b1900
--- /dev/null
+++ b/sysdeps/unix/sysv/aix/init-first.c
@@ -0,0 +1,107 @@
+/* Initialization code run first thing by the XCOFF startup code.  AIX version.
+   Copyright (C) 2001 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sysdep.h>
+#include <fpu_control.h>
+#include <sys/param.h>
+#include <sys/types.h>
+#include <libc-internal.h>
+
+#ifndef SHARED
+# include <ldsodefs.h>
+# include "dl-osinfo.h"
+#endif
+
+extern void __libc_init (int, char **, char **);
+
+/* The function is called from assembly stubs the compiler can't see.  */
+static void init (int, char **, char **) __attribute__ ((unused));
+
+extern int _dl_starting_up;
+weak_extern (_dl_starting_up)
+
+extern fpu_control_t _dl_fpu_control;
+extern int _dl_fpu_control_set;
+
+/* Set nonzero if we have to be prepared for more then one libc being
+   used in the process.  Safe assumption if initializer never runs.  */
+int __libc_multiple_libcs = 1;
+
+/* Remember the command line argument and enviroment contents for
+   later calls of initializers for dynamic libraries.  */
+int __libc_argc;
+char **__libc_argv;
+
+
+static void
+init (int argc, char **argv, char **envp)
+{
+  extern void __getopt_clean_environment (char **);
+  /* The next variable is only here to work around a bug in gcc <= 2.7.2.2.
+     If the address would be taken inside the expression the optimizer
+     would try to be too smart and throws it away.  Grrr.  */
+
+  /* XXX disable dl for now
+  int *dummy_addr = &_dl_starting_up;
+
+  __libc_multiple_libcs = dummy_addr && !_dl_starting_up; */
+
+  /* Save the command-line arguments.  */
+  __libc_argc = argc;
+  __libc_argv = argv;
+  __environ = envp;
+
+#ifndef SHARED
+  __libc_init_secure ();
+#endif
+
+  __libc_init (argc, argv, envp);
+
+  /* This is a hack to make the special getopt in GNU libc working.  */
+  __getopt_clean_environment (envp);
+
+#ifdef SHARED
+  __libc_global_ctors ();
+#endif
+}
+
+#ifdef SHARED
+
+strong_alias (init, _init);
+
+extern void __libc_init_first (void);
+
+void
+__libc_init_first (void)
+{
+}
+
+#else
+extern void __libc_init_first (int argc, char **argv, char **envp);
+
+void
+__libc_init_first (int argc, char **argv, char **envp)
+{
+  init (argc, argv, envp);
+}
+#endif
diff --git a/sysdeps/unix/sysv/aix/start-libc.c b/sysdeps/unix/sysv/aix/start-libc.c
new file mode 100644
index 0000000000..e3582e3892
--- /dev/null
+++ b/sysdeps/unix/sysv/aix/start-libc.c
@@ -0,0 +1,271 @@
+/* Initialization code run first thing by the XCOFF startup code.  AIX version.
+   Copyright (C) 2001 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+/* hack to use uchar's */
+typedef unsigned char uchar;
+#include <xcoff.h>
+#include <rtinit.h>
+#include <dlldr.h>
+#include <bits/libc-lock.h>
+
+extern void __libc_init_first (int argc, char **argv, char **envp);
+
+/* XXX disable for now
+extern int _dl_starting_up;
+weak_extern (_dl_starting_up)
+extern int __libc_multiple_libcs; */
+
+/* XXX normally defined in generic/dl-sydep.c, hack it into existance
+extern void *__libc_stack_end; */
+void *__libc_stack_end;
+
+struct __libc_start_data_rec
+{
+  void *stack;
+  void *toc;
+  int argc;
+  char **argv;
+  char **envp;
+  char *data;
+  char *text;
+  unsigned int mcount;
+  unsigned int special;
+  int (*main) (int, char **, char **);
+  void (*init) (void);
+  void (*fini) (void);
+  void (*rtld_fini) (void);
+};
+
+extern struct __libc_start_data_rec __libc_start_data;
+extern int errno;
+
+/* The first piece of initialized data.  */
+int __data_start = 0;
+
+#ifndef HAVE_ELF
+/* Since gcc/crtstuff.c won't define it unless the ELF format is used
+   we will need to define it here.  */
+void *__dso_handle = NULL;
+#endif
+
+/* AIX kernel function */
+extern int __loadx (int flag, void *module, void *arg1, void *arg2,
+		    void *arg3);
+/* Needed by setenv */
+char  **__environ;
+
+/* Needed by dl-support.c */
+/* XXX stubbing out dl-support.c for now..
+   size_t _dl_pagesize = 0; */
+
+/*
+   Find __rtinit symbol
+
+   __RTINIT *find_rtinit()
+
+   __RTINIT        *rti - pointer to __rtinit data structure
+ */
+
+static __RTINIT *
+find_rtinit (void)
+{
+  struct xcoffhdr *xcoff_hdr;
+  SCNHDR *sec_hdr;
+  SCNHDR *ldr_sec_hdr;
+  SCNHDR *data_sec_hdr;
+  LDSYM *ldsym_hdr;
+  __RTINIT *rtl;
+
+  xcoff_hdr = (struct xcoffhdr *) __libc_start_data.text;
+  sec_hdr = (SCNHDR *) ((caddr_t) &xcoff_hdr->aouthdr
+			+ xcoff_hdr->filehdr.f_opthdr);
+  ldr_sec_hdr = (SCNHDR *) (sec_hdr + (xcoff_hdr->aouthdr.o_snloader - 1));
+  ldsym_hdr = (LDSYM  *) ((caddr_t)xcoff_hdr + ldr_sec_hdr->s_scnptr
+			  + LDHDRSZ);
+
+  if ( __libc_start_data.mcount <= 0)
+    {
+      if (!ldr_sec_hdr->s_scnptr)
+	return (__RTINIT *) 0;
+
+      if (memcmp (ldsym_hdr, RTINIT_NAME, sizeof (RTINIT_NAME) - 1))
+	return (__RTINIT *) 0;
+    }
+
+  data_sec_hdr   = (SCNHDR *) (sec_hdr + (xcoff_hdr->aouthdr.o_sndata - 1));
+  rtl = (__RTINIT *) (ldsym_hdr->l_value
+		      + (__libc_start_data.data - data_sec_hdr->s_vaddr));
+  return rtl;
+}
+
+/*
+   The mod_init1 calls every initialization function for a given module.
+
+    void mod_init1(handler, rti)
+
+    void *handler - if NULL init funtions for modules loaded at exec time
+                    are being executed. Otherwise, the handler points to the
+                    module loaded.
+
+    __RTINIT *rti - pointer to __rtinit data structure (with rti->init_offset
+                    not equal to zero)
+ */
+
+static void
+mod_init1 (void *handler,__RTINIT *rtl)
+{
+  __RTINIT_DESCRIPTOR  *descriptor;
+
+  descriptor = (__RTINIT_DESCRIPTOR *) ((caddr_t) &rtl->rtl
+					+ rtl->init_offset);
+  while (descriptor->f != NULL)
+    {
+      if (!(descriptor->flags & _RT_CALLED))
+	{
+	  descriptor->flags |= _RT_CALLED;
+	  (descriptor->f) (handler, rtl, descriptor);  /* execute init/fini */
+	}
+      descriptor = (__RTINIT_DESCRIPTOR *) ((caddr_t) descriptor
+					    + rtl->__rtinit_descriptor_size);
+    }
+}
+
+/* The modinit() function performs run-time linking, if enabled, and calling
+   the init() function for all loaded modules.  */
+
+#define DL_BUFFER_SIZE 1000
+
+static int
+modinit (void)
+{
+  int *handler = 0;
+  __RTINIT *rtinit_info = 0;
+  int flag;
+  DL_INFO dl_buffer[DL_BUFFER_SIZE];
+  DL_INFO *dl_info = dl_buffer;
+  int i;
+
+  /* Find __rtinit symbols */
+  rtinit_info = find_rtinit ();
+
+  flag = DL_EXECQ;
+  if (rtinit_info && rtinit_info->rtl)
+    flag |= DL_LOAD_RTL;
+
+  /* Get a list of modules that have __rtinit */
+  if (__loadx (flag, dl_info, (void *) sizeof (dl_buffer), NULL, NULL))
+    exit (0x90);
+
+  if (dl_info[0].dlinfo_xflags & DL_INFO_OK)
+    {
+      rtinit_info = find_rtinit ();
+      if ((rtinit_info != NULL) & (rtinit_info->rtl != NULL))
+	{
+	  if ((*rtinit_info->rtl) (dl_info, 0))
+	    exit (0x90);
+	}
+    }
+
+  /* Initialization each module loaded that has __rtinit. */
+  if (dl_info[0].dlinfo_xflags & DL_INFO_OK)
+    {
+      for (i = 1; i < dl_info[0].dlinfo_arraylen + 1; ++i)
+	if (dl_info[i].dlinfo_flags & DL_HAS_RTINIT)
+	  {
+	    rtinit_info = find_rtini t();
+	    if (rtinit_info)
+	      mod_init1 (handler, rtinit_info);
+	  }
+    }
+
+  return 0;
+}
+
+
+void
+__libc_start_init (void)
+{
+  /* Do run-time linking, if enabled and call the init()
+     for all loaded modules. */
+  if (__libc_start_data.mcount != __libc_start_data.special)
+    modinit ();
+}
+
+/* For now these are just stubs. */
+void
+__libc_start_fini (void)
+{
+}
+
+void
+__libc_start_rtld_fini (void)
+{
+}
+
+
+int
+__libc_start_main (void)
+{
+  /* Store the lowest stack address.  */
+  __libc_stack_end = __libc_start_data.stack;
+
+  /* Used by setenv */
+  __environ = __libc_start_data.envp;
+
+#ifndef SHARED
+  /* Clear errno. */
+    errno = 0;
+
+  /* Some security at this point.  Prevent starting a SUID binary where
+     the standard file descriptors are not opened.  We have to do this
+     only for statically linked applications since otherwise the dynamic
+     loader did the work already.  */
+  if (__builtin_expect (__libc_enable_secure, 0))
+    __libc_check_standard_fds ();
+
+#endif
+
+  /* Register the destructor of the dynamic linker if there is any.  */
+  if (__builtin_expect (__libc_start_data.rtld_fini != NULL, 1))
+    __cxa_atexit ((void (*) (void *)) __libc_start_data.rtld_fini, NULL, NULL);
+
+  /* Call the initializer of the libc.  This is only needed here if we
+     are compiling for the static library in which case we haven't
+     run the constructors in `_dl_start_user'.  */
+#ifndef SHARED
+  __libc_init_first (__libc_start_data.argc, __libc_start_data.argv,
+		     __libc_start_data.envp);
+#endif
+
+  /* Register the destructor of the program, if any.  */
+  if (__libc_start_data.fini)
+    __cxa_atexit ((void (*) (void *)) __libc_start_data.fini, NULL, NULL);
+
+  /* Call the initializer of the program, if any.  */
+  if (__libc_start_data.init)
+    (*__libc_start_data.init) ();
+
+  exit ((*__libc_start_data.main) (__libc_start_data.argc,
+				   __libc_start_data.argv,
+				   __libc_start_data.envp));
+}
diff --git a/sysdeps/unix/sysv/aix/start.c b/sysdeps/unix/sysv/aix/start.c
deleted file mode 100644
index fd4d695eaa..0000000000
--- a/sysdeps/unix/sysv/aix/start.c
+++ /dev/null
@@ -1,294 +0,0 @@
-/* Copyright (C) 1991, 93, 1995-1998, 2000, 2001 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library 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
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-
-/* Old compatibility names for C types.  */
-typedef unsigned char   uchar;   /* sb in libc/posix/types.h */
-
-#include <stdarg.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <xcoff.h>
-#include <rtinit.h>
-#include <dlldr.h>
-#include <bits/libc-lock.h>
-
-/* The first piece of initialized data.  */
-int __data_start = 0;
-
-#ifndef HAVE_ELF
-/* Since gcc/crtstuff.c won't define it unless the ELF format is used
-   we will need to define it here.  */
-void *__dso_handle = NULL;
-#endif
-
-extern int errno;
-
-/* extern __pthread_init; */
-
-typedef void (*FPV)(void);
-
-typedef struct crt0_info
-{
-   int *p_argc;
-   FPV threads_init;
-} INFO;
-
-
-INFO    crt0_info;
-int     argc;
-char  **argv;
-char  **__environ;
-int     module_count;
-caddr_t text_origin;
-caddr_t data_origin;
-
-asm("
-       .toc
-LL..0: .tc argc[TC],argc
-LL..1: .tc argv[TC],argv
-LL..2: .tc __environ[TC],__environ
-LL..3: .tc module_count[TC],module_count
-LL..4: .tc text_origin[TC],text_origin
-LL..5: .tc data_origin[TC],data_origin
-");
-
-int main (int argc,char **argv,char **__environ);
-int modinit(int argc,INFO *crt0_info, int module_count,
-                     caddr_t text_origin, caddr_t data_origin);
-
-void mod_init1(void *handler,__RTINIT *rti);
-
-__RTINIT *find_rtinit(caddr_t text_origin,caddr_t data_origin, int module_count);
-
-extern int *__loadx();
-
-void __start(void)
-{
-#ifdef __64BIT__
-asm("
-      ld  17,LL..0(2)    # argc
-      std 14,0(17)       # copy reg14 to argc
-      ld  17,LL..1(2)    # argv
-      std 15,0(17)       # copy reg15 to argv
-      ld  17,LL..2(2)    # envp
-      std 16,0(17)       # copy reg16 to envp
-      ld  17,LL..3(2)    # module_count
-      std  30,0(17)      # copy reg30 to module_count
-      ld  17,LL..4(2)    # text_origin
-      std  29,0(17)      # copy reg29 to text_origin
-      ld  17,LL..5(2)    # data_origin
-      std  28,0(17)      # copy reg28 to data_origin
-");
-#else
-asm("
-      lwz  17,LL..0(2)    # argc
-      stw  3,0(17)        # copy reg3 to argc
-      lwz  17,LL..1(2)    # argv
-      stw  4,0(17)        # copy reg4 to argv
-      lwz  17,LL..2(2)    # envp
-      stw  5,0(17)        # copy reg5 to envp
-      lwz  17,LL..3(2)    # module_count
-      stw  30,0(17)       # copy reg30 to module_count
-      lwz  17,LL..4(2)    # text_origin
-      stw  29,0(17)       # copy reg29 to text_origin
-      lwz  17,LL..5(2)    # data_origin
-      stw  28,0(17)       # copy reg28 to data_origin
-");
-#endif
-       crt0_info.p_argc = (int*)&argc;
-
-/*     crt0_info.threads_init = (FPV) &__pthread_init;  */
-
-     /*
-      * Do run-time linking, if enabled and call the init()
-      * for all loaded modules.
-      */
-      argc = modinit(argc,&crt0_info,module_count,text_origin,data_origin);
-
-      errno=0;
-     /*
-      *   Call the user program.
-      */
-      exit (main (argc, argv, __environ));
-}
-
-/*
- *  The modinit() function performs run-time linking,
- *  if enabled, and calling the init() function for
- *  all loaded modules.
- *
- * int modinit(argc,crt0_info,module_count,text,data)
- *
- * argc         - current value of argc.
- * info         - crt0 information passed
- * module_count - number of modules loaded.
- * text         - Beginning of text address
- * data         - Beginning of data address
- */
-
-#define DL_BUFFER_SIZE 1000
-
-int modinit(int argc,INFO *crt0_info, int module_count,
-                  caddr_t text_origin, caddr_t data_origin)
-{
-    int      *handler     = 0;
-    __RTINIT *rtinit_info = 0;
-    int flag;
-    DL_INFO dl_buffer[DL_BUFFER_SIZE];
-    DL_INFO *dl_info = dl_buffer;
-    int i;
-    FPV p;
-    __libc_lock_define_initialized(static,modinit_lock);
-
-  /*
-   *   try to find __rtinit symbols
-   */
-   rtinit_info = find_rtinit(text_origin,data_origin,module_count);
-
-   flag = DL_EXECQ;
-   if (rtinit_info && rtinit_info->rtl) flag |= DL_LOAD_RTL;
-
-   /*
-    * get a list of modules that have __rtinit
-    */
-   if (__loadx(flag, dl_info, sizeof(dl_buffer))) exit(0x90);
-
-   if (( dl_info[0].dlinfo_xflags & DL_INFO_OK))
-   {
-     rtinit_info = find_rtinit(dl_info[1].dlinfo_textorg,
-                                  dl_info[1].dlinfo_dataorg,
-                                  module_count);
-     if ((rtinit_info != NULL) & (rtinit_info->rtl != NULL))
-     {
-        if((*rtinit_info->rtl)(dl_info,0)) exit(0x90);
-     }
-   }
-
-  /*
-   *    initialize threads in case any init
-   *    functions need thread functions
-   */
-   if (crt0_info->threads_init)
-     (*crt0_info->threads_init)();
-
-   p = (FPV) __loadx(DL_GLOBALSYM | DL_SRCHLOADLIST,"pthread_init");
-   if (p)
-     (*p)();
-
-   __libc_lock_lock(modinit_lock);
-
-  /*
-   *    initialization each module loaded that has __rtinit.
-   */
-   if (( dl_info[0].dlinfo_xflags & DL_INFO_OK))
-   {
-     for (i=1; i < dl_info[0].dlinfo_arraylen + 1; i++)
-     {
-      if (dl_info[i].dlinfo_flags & DL_HAS_RTINIT)
-      {
-       rtinit_info = find_rtinit(dl_info[i].dlinfo_textorg,
-                                 dl_info[i].dlinfo_dataorg,
-                                 module_count);
-       if (rtinit_info)
-       {
-        mod_init1(handler,rtinit_info);
-       }
-      }
-     }
-   }
-
-  __libc_lock_unlock(modinit_lock);
-  /*
-   *    reload argc if needed.
-   */
-  return((int) (*crt0_info->p_argc));
-}
-
-/*
- * The mod_init1 calls every initialization function
- * for a given module.
- *
- *   void mod_init1(handler, rti)
- *
- *   void *handler - if NULL init funtions for modules loaded at exec time
- *                   are being executed. Otherwise, the handler points to the
- *                   module loaded.
- *
- *   __RTINIT *rti - pointer to __rtinit data structure (with rti->init_offset
- *                   not equal to zero)
- */
-
-void mod_init1(void *handler,__RTINIT *rtl)
-{
-   __RTINIT_DESCRIPTOR  *descriptor;
-
-   descriptor =(__RTINIT_DESCRIPTOR *) ((caddr_t)&rtl->rtl + rtl->init_offset);
-   while (descriptor->f)
-   {
-     if (!(descriptor->flags & _RT_CALLED))
-     {
-        descriptor->flags |=  _RT_CALLED;
-        ( descriptor->f )(handler,rtl,descriptor);  /* execute init/fini */
-     }
-     descriptor = (__RTINIT_DESCRIPTOR *) ((caddr_t)descriptor +
-                                            rtl->__rtinit_descriptor_size);
-   }
-}
-
-
-/*
- *  Find __rtinit symbol
- *
- * __RTINIT *find_rtinit(caddr_t text_origin)
- *
- * caddr_t  text_origin - Beginning of text area
- * caddr_t  data_origin - Beginning of data area
- * int     module_count - Number of modules loaded
- * __RTINIT        *rti - pointer to __rtinit data structure
- */
-
-__RTINIT *find_rtinit(caddr_t text_origin, caddr_t data_origin, int module_count)
-{
-  struct xcoffhdr *xcoff_hdr;
-  SCNHDR          *sec_hdr;
-  SCNHDR          *ldr_sec_hdr;
-  SCNHDR          *data_sec_hdr;
-  LDSYM           *ldsym_hdr;
-  __RTINIT        *rtl;
-
-  xcoff_hdr = (struct xcoffhdr *) text_origin;
-  sec_hdr   = (SCNHDR *) ((caddr_t)&xcoff_hdr->aouthdr +
-                                    xcoff_hdr->filehdr.f_opthdr);
-  ldr_sec_hdr = (SCNHDR *) (sec_hdr + (xcoff_hdr->aouthdr.o_snloader - 1));
-  ldsym_hdr   = (LDSYM  *) ((caddr_t)xcoff_hdr + ldr_sec_hdr->s_scnptr +
-                                                                   LDHDRSZ);
-
-  if ( module_count <= 0)
-  {
-    if ( !(ldr_sec_hdr->s_scnptr) ) return ((__RTINIT *) 0);
-
-    if ( memcmp(ldsym_hdr,RTINIT_NAME,sizeof(RTINIT_NAME)-1))
-             return ((__RTINIT *) 0);
-  }
-
-  data_sec_hdr   = (SCNHDR *) (sec_hdr + (xcoff_hdr->aouthdr.o_sndata - 1));
-  rtl = (__RTINIT *) (ldsym_hdr->l_value +
-                     (data_origin - data_sec_hdr->s_vaddr));
-  return(rtl);
-}
diff --git a/sysdeps/unix/sysv/aix/start.s b/sysdeps/unix/sysv/aix/start.s
new file mode 100644
index 0000000000..bf17b8ce5c
--- /dev/null
+++ b/sysdeps/unix/sysv/aix/start.s
@@ -0,0 +1,109 @@
+/* Copyright (C) 2001 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+	.file	"start.s"
+	.toc
+T.lsd:	.tc __libc_start_data[tc], __libc_start_data[rw]
+T.main:	.tc main[tc], main[rw]
+T.init:	.tc __libc_start_init[tc], __libc_start_init[rw]
+T.fini:	.tc __libc_start_fini[tc], __libc_start_init[rw]
+T.rtld_fini :	 .tc __libc_start_rtld_fini[tc], __libc_start_rtld_fini[rw]
+
+	.globl __start
+	.globl .__start
+	.globl __libc_start_data
+
+	.extern .__libc_start_main
+	.extern .main
+	.extern main
+	.extern __libc_start_init
+	.extern __libc_start_fini
+	.extern __libc_start_rtld_fini
+
+/* Text */
+
+	.csect __start[ds]
+__start:
+	.long .__start, TOC[tc0], 0
+
+	.csect .text[pr]
+.__start:
+
+/* No prologue needed, __start does not have to follow the ABI.
+
+ Input from kernel/loader
+	r1 :	stack
+	r2 :	TOC
+	r3 :	argc
+	r4 :	argv
+	r5 :	envp
+	r28 :	data origin
+	r29 :	text origin
+	r30 :	module count
+	r31 :	default processing flag
+
+	If r31 == r30, no special processing is needed, ie r28, r29 & r30
+	are not used
+
+ Save input in __libc_start_data */
+	l	16, T.lsd(2)
+	st	1,  0(16)	/* stack */
+	st	2,  4(16)	/* toc */
+	st	3,  8(16)	/* argc */
+	st	4,  12(16)	/* argv */
+	st	5,  16(16)	/* envp */
+	st	28, 20(16)	/* data origin */
+	st	29, 24(16)	/* text origin */
+	st	30, 28(16)	/* module count */
+	st	31, 32(16)	/* special */
+
+/* Call __libc_start_main() */
+
+	bl	.__libc_start_main
+	nop
+
+/* No epilog needed, __start does not have to follow the ABI */
+
+/* Trace back */
+TB.__start:
+	.long 0x0
+	.long 0xc2040
+	.long 0x0
+	.long TB.__start - .__start
+	.short 7
+	.byte "__start"
+	.byte 0,0,0
+
+/* Data
+ __libc_start_data
+ Space to keep libc initialization information */
+
+	.csect __libc_start_data[rw]
+__libc_start_data:
+/* For kernel/loader input args	*/
+	.space 36
+
+/* Externs */
+	.long main
+init:
+	.long __libc_start_init
+fini:
+	.long __libc_start_fini
+rtld_fini:
+	.long __libc_start_rtld_fini
+	.space 0x1000 + (4 + rtld_fini - __libc_start_data)
diff --git a/sysdeps/unix/sysv/aix/sysv_termio.h b/sysdeps/unix/sysv/aix/sysv_termio.h
new file mode 100644
index 0000000000..f314c0e16f
--- /dev/null
+++ b/sysdeps/unix/sysv/aix/sysv_termio.h
@@ -0,0 +1,155 @@
+/* Copyright (C) 1992, 1997, 2001 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+/* In various parts of this file we define the System V values for
+   things as _SYSV_<whatever>.  Those are the values that System V
+   uses for termio, and also (SVR4) termios.  Not necessarily the
+   same as the GNU termios that the library user sees.  */
+
+/* Number of elements of c_cc.  termio only.  */
+#define _SYSV_NCC 8
+
+#define _SYSV_VINTR 0
+#define _SYSV_VQUIT 1
+#define _SYSV_VERASE 2
+#define _SYSV_VKILL 3
+#define _SYSV_VEOF 4
+/* This field means VEOF if ICANON, VMIN if not.  */
+#define _SYSV_VMIN 4
+#define _SYSV_VEOL 5
+/* This field means VEOL if ICANON, VTIME if not.  */
+#define _SYSV_VTIME 5
+#define _SYSV_VEOL2 6
+
+/* Flags in c_iflag.  */
+#define _SYSV_IGNBRK 1
+#define _SYSV_BRKINT 2
+#define _SYSV_IGNPAR 4
+#define _SYSV_PARMRK 8
+#define _SYSV_INPCK 0x10
+#define _SYSV_ISTRIP 0x20
+#define _SYSV_INLCR 0x40
+#define _SYSV_IGNCR 0x80
+#define _SYSV_ICRNL 0x100
+#define _SYSV_IUCLC 0x200
+#define _SYSV_IXON 0x400
+#define _SYSV_IXANY 0x800
+#define _SYSV_IXOFF 0x1000
+#define _SYSV_IMAXBEL 0x2000
+
+/* Flags in c_cflag.  */
+#define _SYSV_CBAUD 0xf
+#define _SYSV_CIBAUD 0xf0000	/* termios only.  */
+#define _SYSV_IBSHIFT 16
+/* Values for CBAUD and CIBAUD.  */
+#define _SYSV_B0 0
+#define _SYSV_B50 1
+#define _SYSV_B75 2
+#define _SYSV_B110 3
+#define _SYSV_B134 4
+#define _SYSV_B150 5
+#define _SYSV_B200 6
+#define _SYSV_B300 7
+#define _SYSV_B600 8
+#define _SYSV_B1200 9
+#define _SYSV_B1800 10
+#define _SYSV_B2400 11
+#define _SYSV_B4800 12
+#define _SYSV_B9600 13
+#define _SYSV_B19200 14
+#define _SYSV_B38400 15
+
+#define _SYSV_CS5 0
+#define _SYSV_CS6 0x10
+#define _SYSV_CS7 0x20
+#define _SYSV_CS8 0x30
+#define _SYSV_CSIZE 0x30
+#define _SYSV_CSTOPB 0x40
+#define _SYSV_CREAD 0x80
+#define _SYSV_PARENB 0x100
+#define _SYSV_PARODD 0x200
+#define _SYSV_HUPCL 0x400
+#define _SYSV_CLOCAL 0x800
+
+/* Flags in c_lflag.  */
+#define _SYSV_ISIG 1
+#define _SYSV_ICANON 2
+#define _SYSV_ECHO 8
+#define _SYSV_ECHOE 0x10
+#define _SYSV_ECHOK 0x20
+#define _SYSV_ECHONL 0x40
+#define _SYSV_NOFLSH 0x80
+#define _SYSV_TOSTOP 0x100
+#define _SYSV_ECHOCTL 0x200
+#define _SYSV_ECHOPRT 0x400
+#define _SYSV_ECHOKE 0x800
+#define _SYSV_FLUSHO 0x2000
+#define _SYSV_PENDIN 0x4000
+#define _SYSV_IEXTEN 0x8000
+
+/* Flags in c_oflag.  */
+#define _SYSV_OPOST 1
+#define _SYSV_OLCUC 2
+#define _SYSV_ONLCR 4
+#define _SYSV_NLDLY 0x100
+#define _SYSV_NL0 0
+#define _SYSV_NL1 0x100
+#define _SYSV_CRDLY 0x600
+#define _SYSV_CR0 0
+#define _SYSV_CR1 0x200
+#define _SYSV_CR2 0x400
+#define _SYSV_CR3 0x600
+#define _SYSV_TABDLY 0x1800
+#define _SYSV_TAB0 0
+#define _SYSV_TAB1 0x0800
+#define _SYSV_TAB2 0x1000
+/* TAB3 is an obsolete name for XTABS.  But we provide it since some
+   programs expect it to exist.  */
+#define _SYSV_TAB3 0x1800
+#define _SYSV_XTABS 0x1800
+#define _SYSV_BSDLY 0x2000
+#define _SYSV_BS0 0
+#define _SYSV_BS1 0x2000
+#define _SYSV_VTDLY 0x4000
+#define _SYSV_VT0 0
+#define _SYSV_VT1 0x4000
+#define _SYSV_FFDLY 0x8000
+#define _SYSV_FF0 0
+#define _SYSV_FF1 0x8000
+
+/* ioctl's.  */
+
+#define _TCGETA 0x5405
+#define _TCSETA 0x5406
+#define _TCSETAW 0x5407
+#define _TCSETAF 0x5408
+#define _TCSBRK 0x5409
+#define _TCXONC 0x540B
+#define _TCFLSH 0x540C
+#define _TIOCGPGRP 0x7414
+#define _TIOCSPGRP 0x7415
+
+struct __sysv_termio
+  {
+    unsigned short c_iflag;
+    unsigned short c_oflag;
+    unsigned short c_cflag;
+    unsigned short c_lflag;
+    char c_line;
+    unsigned char c_cc[_SYSV_NCC];
+  };