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authorRichard Henderson <rth@redhat.com>2005-01-23 08:02:45 +0000
committerRichard Henderson <rth@redhat.com>2005-01-23 08:02:45 +0000
commit57c6c64a3bc4f2e930f0dcdd269a909ff8ada124 (patch)
tree40def37add76eb5c51142bb55a5fb506591e63ab
parent4bf1073d85f285002d802d184985757b8c4a5192 (diff)
downloadglibc-57c6c64a3bc4f2e930f0dcdd269a909ff8ada124.tar.gz
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* sysdeps/alpha/dl-trampoline.S: New file. * sysdeps/alpha/dl-machine.h: Move PLT trampolines there. Use RESOLVE_MAP instead of RESOLVE to protect relocation code. (elf_machine_runtime_setup): Test for dl_profile non-null. (ARCH_LA_PLTENTER, ARCH_LA_PLTEXIT): New. * sysdeps/alpha/bits/link.h: New file. * sysdeps/generic/ldsodefs.h (La_alpha_regs, La_alpha_retval): New. (struct audit_ifaces): Add alpha entries. * elf/tst-auditmod1.c: Add alpha entries.
2005-01-22  Richard Henderson  <rth@redhat.com>

	* sysdeps/alpha/dl-trampoline.S: New file.
	* sysdeps/alpha/dl-machine.h: Move PLT trampolines there.
	Use RESOLVE_MAP instead of RESOLVE to protect relocation code.
	(elf_machine_runtime_setup): Test for dl_profile non-null.
	(ARCH_LA_PLTENTER, ARCH_LA_PLTEXIT): New.
	* sysdeps/alpha/bits/link.h: New file.
	* sysdeps/generic/ldsodefs.h (La_alpha_regs, La_alpha_retval): New.
	(struct audit_ifaces): Add alpha entries.
	* elf/tst-auditmod1.c: Add alpha entries.
-rw-r--r--ChangeLog12
-rw-r--r--elf/tst-auditmod1.c6
-rw-r--r--sysdeps/alpha/bits/link.h69
-rw-r--r--sysdeps/alpha/dl-machine.h154
-rw-r--r--sysdeps/alpha/dl-trampoline.S361
-rw-r--r--sysdeps/generic/ldsodefs.h11
6 files changed, 469 insertions, 144 deletions
diff --git a/ChangeLog b/ChangeLog
index 816dd6c39f..28c6e3bdf3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2005-01-22  Richard Henderson  <rth@redhat.com>
+
+	* sysdeps/alpha/dl-trampoline.S: New file.
+	* sysdeps/alpha/dl-machine.h: Move PLT trampolines there.
+	Use RESOLVE_MAP instead of RESOLVE to protect relocation code.
+	(elf_machine_runtime_setup): Test for dl_profile non-null.
+	(ARCH_LA_PLTENTER, ARCH_LA_PLTEXIT): New.
+	* sysdeps/alpha/bits/link.h: New file.
+	* sysdeps/generic/ldsodefs.h (La_alpha_regs, La_alpha_retval): New.
+	(struct audit_ifaces): Add alpha entries.
+	* elf/tst-auditmod1.c: Add alpha entries.
+
 2005-01-22  Ulrich Drepper  <drepper@redhat.com>
 
 	* sysdeps/ia64/dl-machine.h: Remove PLT trampolines here.
diff --git a/elf/tst-auditmod1.c b/elf/tst-auditmod1.c
index 8bcc951819..b605e5f1c2 100644
--- a/elf/tst-auditmod1.c
+++ b/elf/tst-auditmod1.c
@@ -138,6 +138,12 @@ la_symbind64 (Elf64_Sym *sym, unsigned int ndx, uintptr_t *refcook,
 # define La_regs La_m68k_regs
 # define La_retval La_m68k_retval
 # define int_retval lrv_d0
+#elif defined __alpha__
+# define pltenter la_alpha_gnu_pltenter
+# define pltexit la_alpha_gnu_pltexit
+# define La_regs La_alpha_regs
+# define La_retval La_alpha_retval
+# define int_retval lrv_r0
 #else
 # error "architecture specific code needed"
 #endif
diff --git a/sysdeps/alpha/bits/link.h b/sysdeps/alpha/bits/link.h
new file mode 100644
index 0000000000..429faff432
--- /dev/null
+++ b/sysdeps/alpha/bits/link.h
@@ -0,0 +1,69 @@
+/* Copyright (C) 2005 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.  */
+
+#ifndef	_LINK_H
+# error "Never include <bits/link.h> directly; use <link.h> instead."
+#endif
+
+
+/* Registers for entry into PLT on Alpha.  */
+typedef struct La_alpha_regs
+{
+  uint64_t lr_r26;
+  uint64_t lr_sp;
+  uint64_t lr_r16;
+  uint64_t lr_r17;
+  uint64_t lr_r18;
+  uint64_t lr_r19;
+  uint64_t lr_r20;
+  uint64_t lr_r21;
+  double lr_f16;
+  double lr_f17;
+  double lr_f18;
+  double lr_f19;
+  double lr_f20;
+  double lr_f21;
+} La_alpha_regs;
+
+/* Return values for calls from PLT on Alpha.  */
+typedef struct La_alpha_retval
+{
+  uint64_t lrv_r0;
+  uint64_t lrv_r1;
+  double lrv_f0;
+  double lrv_f1;
+} La_alpha_retval;
+
+
+__BEGIN_DECLS
+
+extern Elf64_Addr la_alpha_gnu_pltenter (Elf64_Sym *__sym, unsigned int __ndx,
+				         uintptr_t *__refcook,
+				         uintptr_t *__defcook,
+				         La_alpha_regs *__regs,
+				         unsigned int *__flags,
+				         const char *__symname,
+				         long int *__framesizep);
+extern unsigned int la_alpha_gnu_pltexit (Elf64_Sym *__sym, unsigned int __ndx,
+					  uintptr_t *__refcook,
+					  uintptr_t *__defcook,
+					  const La_alpha_regs *__inregs,
+					  La_alpha_retval *__outregs,
+					  const char *symname);
+
+__END_DECLS
diff --git a/sysdeps/alpha/dl-machine.h b/sysdeps/alpha/dl-machine.h
index 780a3a57fd..fd2269bd30 100644
--- a/sysdeps/alpha/dl-machine.h
+++ b/sysdeps/alpha/dl-machine.h
@@ -108,19 +108,20 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
       plt = D_PTR (l, l_info[DT_PLTGOT]);
 
       /* This function will be called to perform the relocation.  */
-      if (!profile)
-        *(Elf64_Addr *)(plt + 16) = (Elf64_Addr) &_dl_runtime_resolve;
-      else
+      if (__builtin_expect (profile, 0))
 	{
 	  *(Elf64_Addr *)(plt + 16) = (Elf64_Addr) &_dl_runtime_profile;
 
-	  if (_dl_name_match_p (GLRO(dl_profile), l))
+	  if (GLRO(dl_profile) != NULL
+	      && _dl_name_match_p (GLRO(dl_profile), l))
 	    {
 	      /* This is the object we are looking for.  Say that we really
 		 want profiling and the timers are started.  */
 	      GL(dl_profile_map) = l;
 	    }
 	}
+      else
+        *(Elf64_Addr *)(plt + 16) = (Elf64_Addr) &_dl_runtime_resolve;
 
       /* Identify this shared object */
       *(Elf64_Addr *)(plt + 24) = (Elf64_Addr) l;
@@ -156,143 +157,6 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
   return lazy;
 }
 
-/* This code is used in dl-runtime.c to call the `fixup' function
-   and then redirect to the address it returns.  */
-#define TRAMPOLINE_TEMPLATE(tramp_name, fixup_name, IMB)	\
-  extern void tramp_name (void);				\
-  asm ( "\
-	.globl " #tramp_name "					\n\
-	.ent " #tramp_name "					\n\
-" #tramp_name ":						\n\
-	lda	$sp, -44*8($sp)					\n\
-	.frame	$sp, 44*8, $26					\n\
-	/* Preserve all integer registers that C normally	\n\
-	   doesn't.  */						\n\
-	stq	$26, 0*8($sp)					\n\
-	stq	$0, 1*8($sp)					\n\
-	stq	$1, 2*8($sp)					\n\
-	stq	$2, 3*8($sp)					\n\
-	stq	$3, 4*8($sp)					\n\
-	stq	$4, 5*8($sp)					\n\
-	stq	$5, 6*8($sp)					\n\
-	stq	$6, 7*8($sp)					\n\
-	stq	$7, 8*8($sp)					\n\
-	stq	$8, 9*8($sp)					\n\
-	stq	$16, 10*8($sp)					\n\
-	stq	$17, 11*8($sp)					\n\
-	stq	$18, 12*8($sp)					\n\
-	stq	$19, 13*8($sp)					\n\
-	stq	$20, 14*8($sp)					\n\
-	stq	$21, 15*8($sp)					\n\
-	stq	$22, 16*8($sp)					\n\
-	stq	$23, 17*8($sp)					\n\
-	stq	$24, 18*8($sp)					\n\
-	stq	$25, 19*8($sp)					\n\
-	stq	$29, 20*8($sp)					\n\
-	stt	$f0, 21*8($sp)					\n\
-	stt	$f1, 22*8($sp)					\n\
-	stt	$f10, 23*8($sp)					\n\
-	stt	$f11, 24*8($sp)					\n\
-	stt	$f12, 25*8($sp)					\n\
-	stt	$f13, 26*8($sp)					\n\
-	stt	$f14, 27*8($sp)					\n\
-	stt	$f15, 28*8($sp)					\n\
-	stt	$f16, 29*8($sp)					\n\
-	stt	$f17, 30*8($sp)					\n\
-	stt	$f18, 31*8($sp)					\n\
-	stt	$f19, 32*8($sp)					\n\
-	stt	$f20, 33*8($sp)					\n\
-	stt	$f21, 34*8($sp)					\n\
-	stt	$f22, 35*8($sp)					\n\
-	stt	$f23, 36*8($sp)					\n\
-	stt	$f24, 37*8($sp)					\n\
-	stt	$f25, 38*8($sp)					\n\
-	stt	$f26, 39*8($sp)					\n\
-	stt	$f27, 40*8($sp)					\n\
-	stt	$f28, 41*8($sp)					\n\
-	stt	$f29, 42*8($sp)					\n\
-	stt	$f30, 43*8($sp)					\n\
-	.mask	0x27ff01ff, -44*8				\n\
-	.fmask	0xfffffc03, -(44-21)*8				\n\
-	/* Set up our $gp */					\n\
-	br	$gp, .+4					\n\
-	ldgp	$gp, 0($gp)					\n\
-	.prologue 0						\n\
-	/* Set up the arguments for fixup: */			\n\
-	/* $16 = link_map out of plt0 */			\n\
-	/* $17 = offset of reloc entry = ($28 - $27 - 20) /12 * 24 */\n\
-	/* $18 = return address */				\n\
-	subq	$28, $27, $17					\n\
-	ldq	$16, 8($27)					\n\
-	subq	$17, 20, $17					\n\
-	mov	$26, $18					\n\
-	addq	$17, $17, $17					\n\
-	/* Do the fixup */					\n\
-	bsr	$26, " #fixup_name "	!samegp			\n\
-	/* Move the destination address into position.  */	\n\
-	mov	$0, $27						\n\
-	/* Restore program registers.  */			\n\
-	ldq	$26, 0*8($sp)					\n\
-	ldq	$0, 1*8($sp)					\n\
-	ldq	$1, 2*8($sp)					\n\
-	ldq	$2, 3*8($sp)					\n\
-	ldq	$3, 4*8($sp)					\n\
-	ldq	$4, 5*8($sp)					\n\
-	ldq	$5, 6*8($sp)					\n\
-	ldq	$6, 7*8($sp)					\n\
-	ldq	$7, 8*8($sp)					\n\
-	ldq	$8, 9*8($sp)					\n\
-	ldq	$16, 10*8($sp)					\n\
-	ldq	$17, 11*8($sp)					\n\
-	ldq	$18, 12*8($sp)					\n\
-	ldq	$19, 13*8($sp)					\n\
-	ldq	$20, 14*8($sp)					\n\
-	ldq	$21, 15*8($sp)					\n\
-	ldq	$22, 16*8($sp)					\n\
-	ldq	$23, 17*8($sp)					\n\
-	ldq	$24, 18*8($sp)					\n\
-	ldq	$25, 19*8($sp)					\n\
-	ldq	$29, 20*8($sp)					\n\
-	ldt	$f0, 21*8($sp)					\n\
-	ldt	$f1, 22*8($sp)					\n\
-	ldt	$f10, 23*8($sp)					\n\
-	ldt	$f11, 24*8($sp)					\n\
-	ldt	$f12, 25*8($sp)					\n\
-	ldt	$f13, 26*8($sp)					\n\
-	ldt	$f14, 27*8($sp)					\n\
-	ldt	$f15, 28*8($sp)					\n\
-	ldt	$f16, 29*8($sp)					\n\
-	ldt	$f17, 30*8($sp)					\n\
-	ldt	$f18, 31*8($sp)					\n\
-	ldt	$f19, 32*8($sp)					\n\
-	ldt	$f20, 33*8($sp)					\n\
-	ldt	$f21, 34*8($sp)					\n\
-	ldt	$f22, 35*8($sp)					\n\
-	ldt	$f23, 36*8($sp)					\n\
-	ldt	$f24, 37*8($sp)					\n\
-	ldt	$f25, 38*8($sp)					\n\
-	ldt	$f26, 39*8($sp)					\n\
-	ldt	$f27, 40*8($sp)					\n\
-	ldt	$f28, 41*8($sp)					\n\
-	ldt	$f29, 42*8($sp)					\n\
-	ldt	$f30, 43*8($sp)					\n\
-	/* Flush the Icache after having modified the .plt code.  */\n\
-	" #IMB "						\n\
-	/* Clean up and turn control to the destination */	\n\
-	lda	$sp, 44*8($sp)					\n\
-	jmp	$31, ($27)					\n\
-	.end " #tramp_name)
-
-#ifndef PROF
-#define ELF_MACHINE_RUNTIME_TRAMPOLINE				\
-  TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup, imb);	\
-  TRAMPOLINE_TEMPLATE (_dl_runtime_profile, profile_fixup, /* nop */);
-#else
-#define ELF_MACHINE_RUNTIME_TRAMPOLINE				\
-  TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup, imb);	\
-  strong_alias (_dl_runtime_resolve, _dl_runtime_profile);
-#endif
-
 /* 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.  */
@@ -501,9 +365,13 @@ elf_machine_plt_value (struct link_map *map, const Elf64_Rela *reloc,
   return value + reloc->r_addend;
 }
 
+/* Names of the architecture-specific auditing callback functions.  */
+#define ARCH_LA_PLTENTER	alpha_gnu_pltenter
+#define ARCH_LA_PLTEXIT		alpha_gnu_pltexit
+
 #endif /* !dl_machine_h */
 
-#ifdef RESOLVE
+#ifdef RESOLVE_MAP
 
 /* Perform the relocation specified by RELOC and SYM (which is fully resolved).
    MAP is the object containing the reloc.  */
@@ -680,4 +548,4 @@ elf_machine_lazy_rel (struct link_map *map,
     _dl_reloc_bad_type (map, r_type, 1);
 }
 
-#endif /* RESOLVE */
+#endif /* RESOLVE_MAP */
diff --git a/sysdeps/alpha/dl-trampoline.S b/sysdeps/alpha/dl-trampoline.S
new file mode 100644
index 0000000000..42350836ef
--- /dev/null
+++ b/sysdeps/alpha/dl-trampoline.S
@@ -0,0 +1,361 @@
+/* PLT trampolines.  Alpha version.
+   Copyright (C) 2005 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 <sysdep.h>
+
+	.set noat
+
+	.globl	_dl_runtime_resolve
+	.ent	_dl_runtime_resolve
+
+#undef FRAMESIZE
+#define FRAMESIZE	44*8
+
+_dl_runtime_resolve:
+	lda	$30, -FRAMESIZE($30)
+	.frame	$30, FRAMESIZE, $26
+	/* Preserve all registers that C normally doesn't.  */
+	stq	$26, 0*8($30)
+	stq	$0, 1*8($30)
+	stq	$1, 2*8($30)
+	stq	$2, 3*8($30)
+	stq	$3, 4*8($30)
+	stq	$4, 5*8($30)
+	stq	$5, 6*8($30)
+	stq	$6, 7*8($30)
+	stq	$7, 8*8($30)
+	stq	$8, 9*8($30)
+	stq	$16, 10*8($30)
+	stq	$17, 11*8($30)
+	stq	$18, 12*8($30)
+	stq	$19, 13*8($30)
+	stq	$20, 14*8($30)
+	stq	$21, 15*8($30)
+	stq	$22, 16*8($30)
+	stq	$23, 17*8($30)
+	stq	$24, 18*8($30)
+	stq	$25, 19*8($30)
+	stq	$29, 20*8($30)
+	stt	$f0, 21*8($30)
+	stt	$f1, 22*8($30)
+	stt	$f10, 23*8($30)
+	stt	$f11, 24*8($30)
+	stt	$f12, 25*8($30)
+	stt	$f13, 26*8($30)
+	stt	$f14, 27*8($30)
+	stt	$f15, 28*8($30)
+	stt	$f16, 29*8($30)
+	stt	$f17, 30*8($30)
+	stt	$f18, 31*8($30)
+	stt	$f19, 32*8($30)
+	stt	$f20, 33*8($30)
+	stt	$f21, 34*8($30)
+	stt	$f22, 35*8($30)
+	stt	$f23, 36*8($30)
+	stt	$f24, 37*8($30)
+	stt	$f25, 38*8($30)
+	stt	$f26, 39*8($30)
+	stt	$f27, 40*8($30)
+	stt	$f28, 41*8($30)
+	stt	$f29, 42*8($30)
+	stt	$f30, 43*8($30)
+	.mask	0x27ff01ff, -FRAMESIZE
+	.fmask	0xfffffc03, -FRAMESIZE+21*8
+	/* Set up our GP.  */
+	br	$29, .+4
+	ldgp	$29, 0($29)
+	.prologue 0
+	/* Set up the arguments for _dl_fixup:
+	   $16 = link_map out of plt0
+	   $17 = offset of reloc entry = ($28 - $27 - 20) /12 * 24
+	   $18 = return address
+	*/
+	subq	$28, $27, $17
+	ldq	$16, 8($27)
+	subq	$17, 20, $17
+	mov	$26, $18
+	addq	$17, $17, $17
+	bsr	$26, _dl_fixup	!samegp
+
+	/* Move the destination address into position.  */
+	mov	$0, $27
+	/* Restore program registers.  */
+	ldq	$26, 0*8($30)
+	ldq	$0, 1*8($30)
+	ldq	$1, 2*8($30)
+	ldq	$2, 3*8($30)
+	ldq	$3, 4*8($30)
+	ldq	$4, 5*8($30)
+	ldq	$5, 6*8($30)
+	ldq	$6, 7*8($30)
+	ldq	$7, 8*8($30)
+	ldq	$8, 9*8($30)
+	ldq	$16, 10*8($30)
+	ldq	$17, 11*8($30)
+	ldq	$18, 12*8($30)
+	ldq	$19, 13*8($30)
+	ldq	$20, 14*8($30)
+	ldq	$21, 15*8($30)
+	ldq	$22, 16*8($30)
+	ldq	$23, 17*8($30)
+	ldq	$24, 18*8($30)
+	ldq	$25, 19*8($30)
+	ldq	$29, 20*8($30)
+	ldt	$f0, 21*8($30)
+	ldt	$f1, 22*8($30)
+	ldt	$f10, 23*8($30)
+	ldt	$f11, 24*8($30)
+	ldt	$f12, 25*8($30)
+	ldt	$f13, 26*8($30)
+	ldt	$f14, 27*8($30)
+	ldt	$f15, 28*8($30)
+	ldt	$f16, 29*8($30)
+	ldt	$f17, 30*8($30)
+	ldt	$f18, 31*8($30)
+	ldt	$f19, 32*8($30)
+	ldt	$f20, 33*8($30)
+	ldt	$f21, 34*8($30)
+	ldt	$f22, 35*8($30)
+	ldt	$f23, 36*8($30)
+	ldt	$f24, 37*8($30)
+	ldt	$f25, 38*8($30)
+	ldt	$f26, 39*8($30)
+	ldt	$f27, 40*8($30)
+	ldt	$f28, 41*8($30)
+	ldt	$f29, 42*8($30)
+	ldt	$f30, 43*8($30)
+	/* Flush the Icache after having modified the .plt code.  */
+	imb
+	/* Clean up and turn control to the destination */
+	lda	$30, FRAMESIZE($30)
+	jmp	$31, ($27)
+
+	.end	_dl_runtime_resolve
+
+	.globl	_dl_runtime_profile
+	.usepv	_dl_runtime_profile, no
+	.type	_dl_runtime_profile, @function
+
+	/* We save the registers in a different order than desired by
+	   .mask/.fmask, so we have to use explicit cfi directives.  */
+	cfi_startproc
+
+.macro savei regno, offset
+	stq	$\regno, \offset($30)
+	cfi_rel_offset(\regno, \offset)
+.endm
+
+.macro savef regno, offset
+	stt	$f\regno, \offset($30)
+	cfi_rel_offset(\regno+32, \offset)
+.endm
+
+#undef FRAMESIZE
+#define FRAMESIZE	50*8
+
+_dl_runtime_profile:
+	lda	$30, -FRAMESIZE($30)
+	cfi_adjust_cfa_offset (FRAMESIZE)
+
+	/* Preserve all argument registers.  This also constructs the
+	   La_alpha_regs structure.  */
+	savei	26, 0*8
+	savei	16, 2*8
+	savei	17, 3*8
+	savei	18, 4*8
+	savei	19, 5*8
+	savei	20, 6*8
+	savei	21, 7*8
+	lda	$16, FRAMESIZE($30)
+	savef	16, 8*8
+	savef	17, 9*8
+	savef	18, 10*8
+	savef	19, 11*8
+	savef	20, 12*8
+	savef	21, 13*8
+	stq	$16, 1*8($30)
+
+	/* Preserve all registers that C normally doesn't.  */
+	savei	0, 14*8
+	savei	1, 15*8
+	savei	2, 16*8
+	savei	3, 17*8
+	savei	4, 18*8
+	savei	5, 19*8
+	savei	6, 20*8
+	savei	7, 21*8
+	savei	8, 22*8
+	savei	22, 23*8
+	savei	23, 24*8
+	savei	24, 25*8
+	savei	25, 26*8
+	savei	29, 27*8
+	savef	0, 28*8
+	savef	1, 29*8
+	savef	10, 30*8
+	savef	11, 31*8
+	savef	12, 32*8
+	savef	13, 33*8
+	savef	14, 34*8
+	savef	15, 35*8
+	savef	22, 36*8
+	savef	23, 37*8
+	savef	24, 38*8
+	savef	25, 39*8
+	savef	26, 40*8
+	savef	27, 41*8
+	savef	28, 42*8
+	savef	29, 43*8
+	savef	30, 44*8
+
+	/* Set up our GP.  */
+	br	$29, .+4
+	ldgp	$29, 0($29)
+
+	/* Set up the arguments for _dl_profile_fixup:
+	   $16 = link_map out of plt0
+	   $17 = offset of reloc entry = ($28 - $27 - 20) /12 * 24
+	   $18 = return address
+	   $19 = La_alpha_regs address
+	   $20 = framesize address
+	*/
+	subq	$28, $27, $17
+	ldq	$16, 8($27)
+	subq	$17, 20, $17
+	mov	$26, $18
+	addq	$17, $17, $17
+	lda	$19, 0($30)
+	lda	$20, 45*8($30)
+	stq	$16, 48*8($30)
+	stq	$17, 49*8($30)
+
+	bsr	$26, _dl_profile_fixup	!samegp
+
+	/* Discover if we're wrapping this call.  */
+	ldq	$18, 45*8($30)
+	bge	$18, 1f
+
+	/* Move the destination address into position.  */
+	mov	$0, $27
+	/* Restore program registers.  */
+	ldq	$26, 0*8($30)
+	ldq	$16, 2*8($30)
+	ldq	$17, 3*8($30)
+	ldq	$18, 4*8($30)
+	ldq	$19, 5*8($30)
+	ldq	$20, 6*8($30)
+	ldq	$21, 7*8($30)
+	ldt	$f16, 8*8($30)
+	ldt	$f17, 9*8($30)
+	ldt	$f18, 10*8($30)
+	ldt	$f19, 11*8($30)
+	ldt	$f20, 12*8($30)
+	ldt	$f21, 13*8($30)
+	ldq	$0, 14*8($30)
+	ldq	$1, 15*8($30)
+	ldq	$2, 16*8($30)
+	ldq	$3, 17*8($30)
+	ldq	$4, 18*8($30)
+	ldq	$5, 19*8($30)
+	ldq	$6, 20*8($30)
+	ldq	$7, 21*8($30)
+	ldq	$8, 22*8($30)
+	ldq	$22, 23*8($30)
+	ldq	$23, 24*8($30)
+	ldq	$24, 25*8($30)
+	ldq	$25, 26*8($30)
+	ldq	$29, 27*8($30)
+	ldt	$f0, 28*8($30)
+	ldt	$f1, 29*8($30)
+	ldt	$f10, 30*8($30)
+	ldt	$f11, 31*8($30)
+	ldt	$f12, 32*8($30)
+	ldt	$f13, 33*8($30)
+	ldt	$f14, 34*8($30)
+	ldt	$f15, 35*8($30)
+	ldt	$f22, 36*8($30)
+	ldt	$f23, 37*8($30)
+	ldt	$f24, 38*8($30)
+	ldt	$f25, 39*8($30)
+	ldt	$f26, 40*8($30)
+	ldt	$f27, 41*8($30)
+	ldt	$f28, 42*8($30)
+	ldt	$f29, 43*8($30)
+	ldt	$f30, 44*8($30)
+
+	/* Clean up and turn control to the destination.  */
+	lda	$30, FRAMESIZE($30)
+	jmp	$31, ($27)
+
+1:
+	/* Create a frame pointer and allocate a new argument frame.  */
+	savei	15, 45*8
+	mov	$30, $15
+	cfi_def_cfa_register (15)
+	addq	$18, 15, $18
+	bic	$18, 15, $18
+	subq	$30, $18, $30
+
+	/* Save the call destination around memcpy.  */
+	stq	$0, 46*8($30)
+
+	/* Copy the stack arguments into place.  */
+	lda	$16, 0($30)
+	lda	$17, FRAMESIZE($15)
+	jsr	$26, memcpy
+	ldgp	$29, 0($26)
+
+	/* Reload the argument registers.  */
+	ldq	$27, 46*8($30)
+	ldq	$16, 2*8($15)
+	ldq	$17, 3*8($15)
+	ldq	$18, 4*8($15)
+	ldq	$19, 5*8($15)
+	ldq	$20, 6*8($15)
+	ldq	$21, 7*8($15)
+	ldt	$f16, 8*8($15)
+	ldt	$f17, 9*8($15)
+	ldt	$f18, 10*8($15)
+	ldt	$f19, 11*8($15)
+	ldt	$f20, 12*8($15)
+	ldt	$f21, 13*8($15)
+
+	jsr	$26, ($27), 0
+	ldgp	$29, 0($26)
+
+	/* Set up for call to _dl_call_pltexit.  */
+	ldq	$16, 48($15)
+	ldq	$17, 49($15)
+	stq	$0, 46*8($15)
+	lda	$18, 0($15)
+	stq	$1, 47*8($15)
+	lda	$19, 46*8($15)
+	stt	$f0, 48*8($15)
+	stt	$f1, 49*8($15)
+	bsr	$26, _dl_call_pltexit	!samegp
+
+	mov	$15, $30
+	cfi_def_cfa_register (30)
+	ldq	$26, 0($30)
+	ldq	$15, 45*8($30)
+	lda	$30, FRAMESIZE($30)
+	ret
+
+	cfi_endproc
+	.size	_dl_runtime_profile, .-_dl_runtime_profile
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h
index 6daa5d4ee5..29588207d1 100644
--- a/sysdeps/generic/ldsodefs.h
+++ b/sysdeps/generic/ldsodefs.h
@@ -187,7 +187,8 @@ struct La_sh_regs;
 struct La_sh_retval;
 struct La_m68k_regs;
 struct La_m68k_retval;
-
+struct La_alpha_regs;
+struct La_alpha_retval;
 
 struct audit_ifaces
 {
@@ -228,6 +229,10 @@ struct audit_ifaces
 				     uintptr_t *, struct La_m68k_regs *,
 				     unsigned int *, const char *name,
 				     long int *framesizep);
+    Elf64_Addr (*alpha_gnu_pltenter) (Elf64_Sym *, unsigned int, uintptr_t *,
+				      uintptr_t *, struct La_alpha_regs *,
+				      unsigned int *, const char *name,
+				      long int *framesizep);
   };
   union
   {
@@ -253,6 +258,10 @@ struct audit_ifaces
     unsigned int (*m68k_gnu_pltexit) (Elf32_Sym *, unsigned int, uintptr_t *,
 				      uintptr_t *, const struct La_m68k_regs *,
 				      struct La_m68k_retval *, const char *);
+    unsigned int (*alpha_gnu_pltexit) (Elf64_Sym *, unsigned int, uintptr_t *,
+				       uintptr_t *,
+				       const struct La_alpha_regs *,
+				       struct La_alpha_retval *, const char *);
   };
   unsigned int (*objclose) (uintptr_t *);