Update. cvs/libc-ud-970721

1997-07-22 01:35  Ulrich Drepper  <drepper@cygnus.com>

	* Makerules (+make-deps): Use $(CFLAGS) in run of $(+mkdep) so
	that optimizing is also selected for dependency generation.

	* configure.in: Add machine description for TI c[34]x.

	* inet/Makefile (routines): Remove ntohl and ntohs.
	* inet/netinet/in.h: Use optimized version of hton? and ntoh?
	for little endian machines.
	* sysdeps/alpha/ntohl.s: Removed.
	* sysdeps/alpha/ntohs.s: Removed.
	* sysdeps/generic/ntohl.c: Removed.
	* sysdeps/generic/ntohs.c: Removed.
	* sysdeps/generic/htonl.c: Add aliases for ntohl.
	* sysdeps/vax/htonl.s: Likewise.
	* sysdeps/generic/htons.c: Add aliases for ntohs.
	* sysdeps/vax/htons.s: Likewise.
	* sysdeps/vax/ntohl.s: Removed.
	* sysdeps/vax/ntohs.s: Removed.
	* sysdeps/generic/bits/htontoh.h: New file.
	* sysdeps/i386/htonl.S: New file.
	* sysdeps/i386/htons.S: New file.
	* sysdeps/i386/i486/htonl.S: New file.

	* sysdeps/i386/fpu/bits/mathinline.h: Correct and optimized compare
	macros.

	* sysdeps/mips/dl-machine.h: Remove mips64 dependent parts.
	* sysdeps/mips/mips64/dl-machine.h: New file.

	* sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Don't install
	syscall-list.h.

1997-07-12  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* libc.map: Add missing symbol _obstack.

1997-07-14 08:22  H.J. Lu  <hjl@gnu.ai.mit.edu>

	* sysdeps/mips/rtld-parms: New.

	* sysdeps/unix/sysv/linux/mips/lxstat.h: Moved to
	* sysdeps/unix/sysv/linux/mips/lxstat.c: ...this.

	* sysdeps/unix/sysv/linux/mips/sgidef.h: Moved to
	* sysdeps/unix/sysv/linux/mips/sgidefs.h: ...this.

	* sysdeps/generic/dl-sysdep.c (_start): Change to ENTRY_POINT.

1997-07-17 08:39  H.J. Lu  <hjl@gnu.ai.mit.edu>

	* sysdeps/mips/dl-machine.h: Remove extra stuff.

1997-07-06 07:18  Geoff Keating  <geoffk@ozemail.com.au>

	* sysdeps/powerpc/bits/endian.h: Handle multiple endianess.

	* stdlib/grouping.h: Suppress gcc warning about testing
	unsigned char for less-than-zero.
	* stdio-common/printf_fp.c: Likewise.
	* stdio-common/vfprintf.c: Likewise.

	* sysdeps/powerpc/add_n.s: New file.
	* sysdeps/powerpc/sub_n.s: New file.
	* sysdeps/powerpc/lshift.s: Ported XCOFF->ELF (from GMP).
	* sysdeps/powerpc/mul_1.s: Ported XCOFF->ELF (from GMP).
	* sysdeps/powerpc/addmul_1.s: Ported XCOFF->ELF (from GMP).
	* sysdeps/powerpc/submul_1.s: Ported XCOFF->ELF (from GMP).
	* sysdeps/powerpc/rshift.s: Ported XCOFF->ELF (from GMP).

	* math/libm-test.c (cos_test, sin_test, sincos_test): Use
	precomputed pi/6 rather than having gcc calculate it, otherwise
	tests give inaccurate result due to inaccurate input.
	* math/libm.map: Add __fe_*_env constants to list of exported
	symbols.

	* sysdeps/libm-ieee754/s_isinf.c: Simplify, make faster.
	* sysdeps/libm-ieee754/s_isinff.c: Simplify, make faster.
	* sysdeps/libm-ieee754/s_atan2f.c: Correct value of pi to be correct
	round-to-nearest value.

	* sysdeps/libm-ieee754/e_log.c: Make sure exceptions are raised.
	* sysdeps/libm-ieee754/e_log10.c: Likewise.
	* sysdeps/libm-ieee754/e_log10f.c: Likewise.
	* sysdeps/libm-ieee754/e_logf.c: Likewise.
	* sysdeps/libm-ieee754/s_log1p.c: Likewise. Also use correct -Inf.
	* sysdeps/libm-ieee754/s_log1pf.c: Likewise. Also use correct -Inf.
	* sysdeps/libm-ieee754/s_log2.c: Likewise.
	* sysdeps/libm-ieee754/s_log2f.c: Likewise.

1997-07-15 21:54  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* nis/nss_compat/compat-grp.c: Fix "buffer to small" problems
	and memory leaks.
	* nis/nss_compat/compat-pwd.c: Likewise.
	* nis/nss_compat/compat-spwd.c: Likewise.
	* nis/nss_nis/nis-alias.c: Likewise.
	* nis/nss_nis/nis-ethers.c: Likewise.
	* nis/nss_nis/nis-grp.c: Likewise.
	* nis/nss_nis/nis-hosts.c: Likewise.
	* nis/nss_nis/nis-network.c: Likewise.
	* nis/nss_nis/nis-proto.c: Likewise.
	* nis/nss_nis/nis-pwd.c: Likewise.
	* nis/nss_nis/nis-rpc.c: Likewise.
	* nis/nss_nis/nis-service.c: Likewise.
	* nis/nss_nis/nis-spwd.c: Likewise.
	* nis/nss_nisplus-alias.c: Likewise.
	* nis/nss_nisplus-ethers.c: Likewise.
	* nis/nss_nisplus-grp.c: Likewise.
	* nis/nss_nisplus-hosts.c: Likewise.
	* nis/nss_nisplus-netgrp.c: Likewise.
	* nis/nss_nisplus-network.c: Likewise.
	* nis/nss_nisplus-proto.c: Likewise.
	* nis/nss_nisplus-pwd.c: Likewise.
	* nis/nss_nisplus-rpc.c: Likewise.
	* nis/nss_nisplus-service.c: Likewise.
	* nis/nss_nisplus-spwd.c: Likewise.

	* nis/nss_nisplus-parse.c: If buffer to small, give -1 back.

1997-07-20  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/m68k/dl-machine.h (elf_machine_rela): Mention program
	name in warning message.
	* sysdeps/powerpc/dl-machine.h (elf_machine_rela): Likewise.
	* sysdeps/sparc/dl-machine.h (elf_machine_rela): Likewise.
	* sysdeps/sparc64/dl-machine.h (elf_machine_rela): Likewise.

	* sysdeps/i386/dl-machine.h (elf_machine_rel): Print program name
	first.

1997-07-20 19:33  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* libc.map: Add _null_auth and _seterr_reply.

	* sunrpc/clnt_udp.c (clntudp_call): If xargs is NULL, don't encode it.

1 files changed, 594 insertions, 0 deletions

diff --git a/sysdeps/mips/mips64/dl-machine.h b/sysdeps/mips/mips64/dl-machine.h
new file mode 100644
index 0000000000..3277b109d9
--- /dev/null
+++ b/sysdeps/mips/mips64/dl-machine.h
@@ -0,0 +1,594 @@
+/* Machine-dependent ELF dynamic relocation inline functions.  MIPS version.
+   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Kazumoto Kojima <kkojima@info.kanagawa-u.ac.jp>.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef dl_machine_h
+#define dl_machine_h
+
+#define ELF_MACHINE_NAME "MIPS"
+
+#include <assert.h>
+#include <entry.h>
+
+#ifndef ENTRY_POINT
+#error ENTRY_POINT needs to be defined for MIPS.
+#endif
+
+#ifndef _RTLD_PROLOGUE
+#ifdef __STDC__
+#define _RTLD_PROLOGUE(entry) "\n\t.globl " #entry \
+			      "\n\t.ent " #entry \
+			      "\n\t" #entry ":\n\t"
+#else
+#define _RTLD_PROLOGUE(entry) "\n\t.globl entry\n\t.ent entry\n\t entry:\n\t"
+#endif
+#endif
+
+#ifndef _RTLD_EPILOGUE
+#ifdef __STDC__
+#define _RTLD_EPILOGUE(entry) "\t.end " #entry "\n"
+#else
+#define _RTLD_EPILOGUE(entry) "\t.end entry\n"
+#endif
+#endif
+
+/* I have no idea what I am doing. */
+#define ELF_MACHINE_RELOC_NOPLT			-1
+#define elf_machine_lookup_noplt_p(type)	(1)
+#define elf_machine_lookup_noexec_p(type)	(0)
+
+/* Translate a processor specific dynamic tag to the index
+   in l_info array.  */
+#define DT_MIPS(x) (DT_MIPS_##x - DT_LOPROC + DT_NUM)
+
+#if 0
+/* We may need 64k alignment. */
+#define ELF_MACHINE_ALIGN_MASK 0xffff
+#endif
+
+/*
+ * MIPS libraries are usually linked to a non-zero base address.  We
+ * subtrace the base address from the address where we map the object
+ * to.  This results in more efficient address space usage.
+ */
+#if 0
+#define MAP_BASE_ADDR(l) ((l)->l_info[DT_MIPS(BASE_ADDRESS)] ? \
+			  (l)->l_info[DT_MIPS(BASE_ADDRESS)]->d_un.d_ptr : 0)
+#else
+#define MAP_BASE_ADDR(l) 0x5ffe0000
+#endif
+
+/* If there is a DT_MIPS_RLD_MAP entry in the dynamic section, fill it in
+   with the run-time address of the r_debug structure  */
+#define ELF_MACHINE_DEBUG_SETUP(l,r) \
+do { if ((l)->l_info[DT_MIPS (RLD_MAP)]) \
+       *(ElfW(Addr) *)((l)->l_info[DT_MIPS (RLD_MAP)]->d_un.d_ptr) = \
+       (ElfW(Addr)) (r); \
+   } while (0)
+
+/* Return nonzero iff E_MACHINE is compatible with the running host.  */
+static inline int __attribute__ ((unused))
+elf_machine_matches_host (ElfW(Half) e_machine)
+{
+  switch (e_machine)
+    {
+    case EM_MIPS:
+    case EM_MIPS_RS4_BE:
+      return 1;
+    default:
+      return 0;
+    }
+}
+
+/* Return the link-time address of _DYNAMIC.  Conveniently, this is the
++   first element of the GOT.  This must be inlined in a function which
++   uses global data.  */
++static inline ElfW(Addr)
++elf_machine_dynamic (void)
++{
++  register ElfW(Addr) gp asm ("$28");
++  return * (ElfW(Addr) *) (gp - 0x7ff0);
++}
++
+static inline ElfW(Addr) *
+elf_mips_got_from_gpreg (ElfW(Addr) gpreg)
+{
+  /* FIXME: the offset of gp from GOT may be system-dependent. */
+  return (ElfW(Addr) *) (gpreg - 0x7ff0);
+}
+
+/* Return the run-time address of the _GLOBAL_OFFSET_TABLE_.
+   Must be inlined in a function which uses global data.  */
+static inline ElfW(Addr) *
+elf_machine_got (void)
+{
+  ElfW(Addr) gp;
+
+  __asm__ __volatile__("move %0, $28\n\t" : "=r" (gp));
+  return elf_mips_got_from_gpreg (gp);
+}
+
+
+/* Return the run-time load address of the shared object.  */
+static inline ElfW(Addr)
+elf_machine_load_address (void)
+{
+  ElfW(Addr) addr;
+  asm ("	.set noreorder\n"
+       "	dla %0, here\n"
+       "	bltzal $0, here\n"
+       "	nop\n"
+       "here:	dsubu %0, $31, %0\n"
+       "	.set reorder\n"
+       :	"=r" (addr)
+       :	/* No inputs */
+       :	"$31");
+  return addr;
+}
+
+/* The MSB of got[1] of a gnu object is set to identify gnu objects. */
+#define ELF_MIPS_GNU_GOT1_MASK 0x80000000
+
+/* Relocate GOT. */
+static inline void
+elf_machine_got_rel (struct link_map *map, int lazy)
+{
+  ElfW(Addr) *got;
+  ElfW(Sym) *sym;
+  int i, n;
+  struct link_map **scope;
+  const char *strtab
+    = ((void *) map->l_addr + map->l_info[DT_STRTAB]->d_un.d_ptr);
+
+#define RESOLVE_GOTSYM(sym) \
+    ({ \
+      const ElfW(Sym) *ref = sym; \
+      ElfW(Addr) sym_loadaddr; \
+      sym_loadaddr = _dl_lookup_symbol (strtab + sym->st_name, &ref, scope, \
+					map->l_name, ELF_MACHINE_RELOC_NOPLT);\
+      (ref)? sym_loadaddr + ref->st_value: 0; \
+    })
+
+  got = (ElfW(Addr) *) ((void *) map->l_addr
+			+ map->l_info[DT_PLTGOT]->d_un.d_ptr);
+
+  /* got[0] is reserved. got[1] is also reserved for the dynamic object
+     generated by gnu ld. Skip these reserved entries from relocation.  */
+  i = (got[1] & ELF_MIPS_GNU_GOT1_MASK)? 2: 1;
+  n = map->l_info[DT_MIPS (LOCAL_GOTNO)]->d_un.d_val;
+  /* Add the run-time display to all local got entries. */
+  while (i < n)
+    got[i++] += map->l_addr;
+
+  /* Set scope.  */
+  scope = _dl_object_relocation_scope (map);
+
+  /* Handle global got entries. */
+  got += n;
+  sym = (ElfW(Sym) *) ((void *) map->l_addr
+		       + map->l_info[DT_SYMTAB]->d_un.d_ptr);
+  sym += map->l_info[DT_MIPS (GOTSYM)]->d_un.d_val;
+  i = (map->l_info[DT_MIPS (SYMTABNO)]->d_un.d_val
+       - map->l_info[DT_MIPS (GOTSYM)]->d_un.d_val);
+
+  while (i--)
+    {
+      if (sym->st_shndx == SHN_UNDEF)
+	{
+	  if (ELFW(ST_TYPE) (sym->st_info) == STT_FUNC)
+	    {
+	      if (sym->st_value && lazy)
+		*got = sym->st_value + map->l_addr;
+	      else
+		*got = RESOLVE_GOTSYM (sym);
+	    }
+	  else /* if (*got == 0 || *got == QS) */
+	    *got = RESOLVE_GOTSYM (sym);
+	}
+      else if (sym->st_shndx == SHN_COMMON)
+	*got = RESOLVE_GOTSYM (sym);
+      else if (ELFW(ST_TYPE) (sym->st_info) == STT_FUNC
+	       && *got != sym->st_value
+	       && lazy)
+	*got += map->l_addr;
+      else if (ELFW(ST_TYPE) (sym->st_info) == STT_SECTION)
+	{
+	  if (sym->st_other == 0)
+	    *got += map->l_addr;
+	}
+      else
+	*got = RESOLVE_GOTSYM (sym);
+
+      got++;
+      sym++;
+    }
+
+#undef RESOLVE_GOTSYM
+  *_dl_global_scope_end = NULL;
+
+  return;
+}
+
+/* Set up the loaded object described by L so its stub function
+   will jump to the on-demand fixup code in dl-runtime.c.  */
+
+static inline int
+elf_machine_runtime_setup (struct link_map *l, int lazy)
+{
+  ElfW(Addr) *got;
+  extern void _dl_runtime_resolve (ElfW(Word));
+  extern int _dl_mips_gnu_objects;
+
+#ifdef RTLD_BOOTSTRAP
+    {
+      return lazy;
+    }
+#endif
+  if (lazy)
+    {
+      /* The GOT entries for functions have not yet been filled in.
+	 Their initial contents will arrange when called to put an
+	 offset into the .dynsym section in t8, the return address
+	 in t7 and then jump to _GLOBAL_OFFSET_TABLE[0].  */
+      got = (ElfW(Addr) *) ((void *) l->l_addr
+			    + l->l_info[DT_PLTGOT]->d_un.d_ptr);
+
+      /* This function will get called to fix up the GOT entry indicated by
+	 the register t8, and then jump to the resolved address.  */
+      got[0] = (ElfW(Addr)) &_dl_runtime_resolve;
+
+      /* Store l to _GLOBAL_OFFSET_TABLE[1] for gnu object. The MSB
+	 of got[1] of a gnu object is set to identify gnu objects.
+	 Where we can store l for non gnu objects? XXX  */
+      if ((got[1] & ELF_MIPS_GNU_GOT1_MASK) != 0)
+	got[1] = (ElfW(Addr)) ((unsigned) l | ELF_MIPS_GNU_GOT1_MASK);
+      else
+	_dl_mips_gnu_objects = 0;
+    }
+
+  /* Relocate global offset table.  */
+  elf_machine_got_rel (l, lazy);
+
+  return lazy;
+}
+
+/* Get link_map for this object.  */
+static inline struct link_map *
+elf_machine_runtime_link_map (ElfW(Addr) gpreg, ElfW(Addr) stub_pc)
+{
+  extern int _dl_mips_gnu_objects;
+
+  /* got[1] is reserved to keep its link map address for the shared
+     object generated by gnu linker. If all are such object, we can
+     find link map from current GPREG simply. If not so, get link map
+     for callers object containing STUB_PC.  */
+
+  if (_dl_mips_gnu_objects)
+    {
+      ElfW(Addr) *got = elf_mips_got_from_gpreg (gpreg);
+      ElfW(Word) g1;
+
+      g1 = ((ElfW(Word) *) got)[1];
+
+      if ((g1 & ELF_MIPS_GNU_GOT1_MASK) != 0)
+	return (struct link_map *) (g1 & ~ELF_MIPS_GNU_GOT1_MASK);
+    }
+
+    {
+      struct link_map *l = _dl_loaded;
+      struct link_map *ret = 0;
+      ElfW(Addr) candidate = 0;
+
+      while (l)
+	{
+	  ElfW(Addr) base = 0;
+	  const ElfW(Phdr) *p = l->l_phdr;
+	  ElfW(Half) this, nent = l->l_phnum;
+
+	  /* Get the base. */
+	  for (this = 0; this < nent; this++)
+	    if (p[this].p_type == PT_LOAD)
+	      {
+		base = p[this].p_vaddr + l->l_addr;
+		break;
+	      }
+	  if (! base)
+	    {
+	      l = l->l_next;
+	      continue;
+	    }
+
+	  /* Find closest link base addr. */
+	  if ((base < stub_pc) && (candidate < base))
+	    {
+	      candidate = base;
+	      ret = l;
+	    }
+	  l = l->l_next;
+	}
+      if (candidate && ret && (candidate < stub_pc))
+	return ret;
+      else if (!candidate)
+	return _dl_loaded;
+    }
+
+  _dl_signal_error (0, NULL, "cannot find runtime link map");
+  return NULL;
+}
+
+/* Mips has no PLT but define elf_machine_relplt to be elf_machine_rel. */
+#define elf_machine_relplt elf_machine_rel
+
+/* Define mips specific runtime resolver. The function __dl_runtime_resolve
+   is called from assembler function _dl_runtime_resolve which converts
+   special argument registers t7 ($15) and t8 ($24):
+     t7  address to return to the caller of the function
+     t8  index for this function symbol in .dynsym
+   to usual c arguments.  */
+
+#define ELF_MACHINE_RUNTIME_TRAMPOLINE					      \
+/* The flag _dl_mips_gnu_objects is set if all dynamic objects are	      \
+   generated by the gnu linker. */					      \
+int _dl_mips_gnu_objects = 1;						      \
+									      \
+/* This is called from assembly stubs below which the compiler can't see.  */ \
+static ElfW(Addr)							      \
+__dl_runtime_resolve (ElfW(Word), ElfW(Word), ElfW(Addr), ElfW(Addr))	      \
+                  __attribute__ ((unused));				      \
+									      \
+static ElfW(Addr)							      \
+__dl_runtime_resolve (ElfW(Word) sym_index,				      \
+		      ElfW(Word) return_address,			      \
+		      ElfW(Addr) old_gpreg,				      \
+		      ElfW(Addr) stub_pc)				      \
+{									      \
+  struct link_map *l = elf_machine_runtime_link_map (old_gpreg, stub_pc);     \
+  const ElfW(Sym) *const symtab						      \
+    = (const ElfW(Sym) *) (l->l_addr + l->l_info[DT_SYMTAB]->d_un.d_ptr);     \
+  const char *strtab							      \
+    = (void *) (l->l_addr + l->l_info[DT_STRTAB]->d_un.d_ptr);		      \
+  const ElfW(Addr) *got							      \
+    = (const ElfW(Addr) *) (l->l_addr + l->l_info[DT_PLTGOT]->d_un.d_ptr);    \
+  const ElfW(Word) local_gotno						      \
+    = (const ElfW(Word)) l->l_info[DT_MIPS (LOCAL_GOTNO)]->d_un.d_val;	      \
+  const ElfW(Word) gotsym						      \
+    = (const ElfW(Word)) l->l_info[DT_MIPS (GOTSYM)]->d_un.d_val;	      \
+  const ElfW(Sym) *definer;						      \
+  ElfW(Addr) loadbase;							      \
+  ElfW(Addr) funcaddr;							      \
+  struct link_map **scope;						      \
+									      \
+  /* Look up the symbol's run-time value.  */				      \
+  scope = _dl_object_relocation_scope (l);				      \
+  definer = &symtab[sym_index];						      \
+									      \
+  loadbase = _dl_lookup_symbol (strtab + definer->st_name, &definer,	      \
+				scope, l->l_name, ELF_MACHINE_RELOC_NOPLT);   \
+									      \
+  *_dl_global_scope_end = NULL;						      \
+									      \
+  /* Apply the relocation with that value.  */				      \
+  funcaddr = loadbase + definer->st_value;				      \
+  *(got + local_gotno + sym_index - gotsym) = funcaddr;			      \
+									      \
+  return funcaddr;							      \
+}									      \
+									      \
+asm ("\n								      \
+	.text\n								      \
+	.align	3\n							      \
+	.globl	_dl_runtime_resolve\n					      \
+	.type	_dl_runtime_resolve,@function\n				      \
+	.ent	_dl_runtime_resolve\n					      \
+_dl_runtime_resolve:\n							      \
+	.set noreorder\n						      \
+	# Save old GP to $3.\n						      \
+	move	$3,$28\n						      \
+	# Modify t9 ($25) so as to point .cpload instruction.\n		      \
+	daddu	$25,2*8\n						      \
+	# Compute GP.\n							      \
+	.cpload $25\n							      \
+	.set reorder\n							      \
+	# Save slot call pc.\n						      \
+        move	$2, $31\n						      \
+	# Save arguments and sp value in stack.\n			      \
+	dsubu	$29, 10*8\n						      \
+	.cprestore 8*8\n						      \
+	sd	$15, 9*8($29)\n						      \
+	sd	$4, 3*8($29)\n						      \
+	sd	$5, 4*8($29)\n						      \
+	sd	$6, 5*8($29)\n						      \
+	sd	$7, 6*8($29)\n						      \
+	sd	$16, 7*8($29)\n						      \
+	move	$16, $29\n						      \
+	move	$4, $24\n						      \
+	move	$5, $15\n						      \
+	move	$6, $3\n						      \
+	move	$7, $2\n						      \
+	jal	__dl_runtime_resolve\n					      \
+	move	$29, $16\n						      \
+	ld	$31, 9*8($29)\n						      \
+	ld	$4, 3*8($29)\n						      \
+	ld	$5, 4*8($29)\n						      \
+	ld	$6, 5*8($29)\n						      \
+	ld	$7, 6*8($29)\n						      \
+	ld	$16, 7*8($29)\n						      \
+	daddu	$29, 10*8\n						      \
+	move	$25, $2\n						      \
+	jr	$25\n							      \
+	.end	_dl_runtime_resolve\n					      \
+");
+
+/* Mask identifying addresses reserved for the user program,
+   where the dynamic linker should not map anything.  */
+#define ELF_MACHINE_USER_ADDRESS_MASK	0x80000000UL
+
+
+
+/* Initial entry point code for the dynamic linker.
+   The C function `_dl_start' is the real entry point;
+   its return value is the user program's entry point.
+   Note how we have to be careful about two things:
+
+   1) That we allocate a minimal stack of 24 bytes for
+      every function call, the MIPS ABI states that even
+      if all arguments are passed in registers the procedure
+      called can use the 16 byte area pointed to by $sp
+      when it is called to store away the arguments passed
+      to it.
+
+   2) That under Linux the entry is named __start
+      and not just plain _start.  */
+
+#define RTLD_START asm ("\
+	.text\n\
+	.align	3\n"\
+_RTLD_PROLOGUE (ENTRY_POINT)\
+"	.globl _dl_start_user\n\
+	.set noreorder\n\
+	bltzal $0, 0f\n\
+	nop\n\
+0:	.cpload $31\n\
+	.set reorder\n\
+	# i386 ABI book says that the first entry of GOT holds\n\
+	# the address of the dynamic structure. Though MIPS ABI\n\
+	# doesn't say nothing about this, I emulate this here.\n\
+	dla $4, _DYNAMIC\n\
+	sd $4, -0x7ff0($28)\n\
+	move $4, $29\n\
+	jal _dl_start\n\
+	# Get the value of label '_dl_start_user' in t9 ($25).\n\
+	dla $25, _dl_start_user\n\
+_dl_start_user:\n\
+	.set noreorder\n\
+	.cpload $25\n\
+	.set reorder\n\
+	move $16, $28\n\
+	# Save the user entry point address in saved register.\n\
+	move $17, $2\n\
+	# See if we were run as a command with the executable file\n\
+	# name as an extra leading argument.\n\
+	ld $2, _dl_skip_args\n\
+	beq $2, $0, 1f\n\
+	# Load the original argument count.\n\
+	ld $4, 0($29)\n\
+	# Subtract _dl_skip_args from it.\n\
+	dsubu $4, $2\n\
+	# Adjust the stack pointer to skip _dl_skip_args words.\n\
+	dsll $2,2\n\
+	daddu $29, $2\n\
+	# Save back the modified argument count.\n\
+	sd $4, 0($29)\n\
+	# Get _dl_default_scope[2] as argument in _dl_init_next call below.\n\
+1:	dla $2, _dl_default_scope\n\
+	ld $4, 2*8($2)\n\
+	# Call _dl_init_next to return the address of an initializer\n\
+	# function to run.\n\
+	jal _dl_init_next\n\
+	move $28, $16\n\
+	# Check for zero return,  when out of initializers.\n\
+	beq $2, $0, 2f\n\
+	# Call the shared object initializer function.\n\
+	move $25, $2\n\
+	ld $4, 0($29)\n\
+	ld $5, 1*8($29)\n\
+	ld $6, 2*8($29)\n\
+	ld $7, 3*8($29)\n\
+	jalr $25\n\
+	move $28, $16\n\
+	# Loop to call _dl_init_next for the next initializer.\n\
+	b 1b\n\
+	# Pass our finalizer function to the user in ra.\n\
+2:	dla $31, _dl_fini\n\
+	# Jump to the user entry point.\n\
+	move $25, $17\n\
+	ld $4, 0($29)\n\
+	ld $5, 1*8($29)\n\
+	ld $6, 2*8$29)\n\
+	ld $7, 3*8($29)\n\
+	jr $25\n"\
+_RTLD_EPILOGUE(ENTRY_POINT) \
+);
+
+
+/* The MIPS never uses Elfxx_Rela relocations.  */
+#define ELF_MACHINE_NO_RELA 1
+
+#endif /* !dl_machine_h */
+
+#ifdef RESOLVE
+
+/* Perform the relocation specified by RELOC and SYM (which is fully resolved).
+   MAP is the object containing the reloc.  */
+
+static inline void
+elf_machine_rel (struct link_map *map, const ElfW(Rel) *reloc,
+		 const ElfW(Sym) *sym, const struct r_found_version *version)
+{
+  ElfW(Addr) *const reloc_addr = (void *) (map->l_addr + reloc->r_offset);
+  ElfW(Addr) loadbase;
+  ElfW(Addr) undo __attribute__ ((unused));
+
+  switch (ELFW(R_TYPE) (reloc->r_info))
+    {
+    case R_MIPS_REL32:
+      {
+	ElfW(Addr) undo = 0;
+
+	if (ELFW(ST_BIND) (sym->st_info) == STB_LOCAL
+	    && (ELFW(ST_TYPE) (sym->st_info) == STT_SECTION
+		|| ELFW(ST_TYPE) (sym->st_info) == STT_NOTYPE))
+	  {
+	    *reloc_addr += map->l_addr;
+	    break;
+	  }
+#ifndef RTLD_BOOTSTRAP
+	/* This is defined in rtld.c, but nowhere in the static libc.a;
+	   make the reference weak so static programs can still link.  This
+	   declaration cannot be done when compiling rtld.c (i.e.  #ifdef
+	   RTLD_BOOTSTRAP) because rtld.c contains the common defn for
+	   _dl_rtld_map, which is incompatible with a weak decl in the same
+	   file.  */
+	weak_extern (_dl_rtld_map);
+	if (map == &_dl_rtld_map)
+	  /* Undo the relocation done here during bootstrapping.  Now we will
+	     relocate it anew, possibly using a binding found in the user
+	     program or a loaded library rather than the dynamic linker's
+	     built-in definitions used while loading those libraries.  */
+	  undo = map->l_addr + sym->st_value;
+#endif
+	  loadbase = RESOLVE (&sym, version, 0);
+	  *reloc_addr += (sym ? (loadbase + sym->st_value) : 0) - undo;
+	}
+      break;
+    case R_MIPS_NONE:		/* Alright, Wilbur.  */
+      break;
+    default:
+      assert (! "unexpected dynamic reloc type");
+      break;
+    }
+}
+
+static inline void
+elf_machine_lazy_rel (struct link_map *map, const ElfW(Rel) *reloc)
+{
+  /* Do nothing.  */
+}
+
+#endif /* RESOLVE */