Re: DF_1_INTIFIRST

["H . J . Lu" <hjl at valinux dot com>]

On Thu, Feb 01, 2001 at 10:34:46PM -0800, Ulrich Drepper wrote:
> I've implemented the DF_1_INTIFIRST flag now and it's being used in
> the thread library (and only there, it's specially for this DSO).  The
> test case Jakub sent works for me now.  On i686.
> 
> But there is more work left.  All architectures which have separate
> initfini.c files need work.  There is a file named pt-initfini.c
> required for architecture which has a special initfini.c file.  So,
> get working (HPPA, IA64, SH, S390).
> 

Here is a patch for ia64.


-- 
H.J. Lu (hjl@valinux.com)
---
2001-02-07  H.J. Lu  <hjl@gnu.org>

	* linuxthreads/sysdeps/pthread/pt-initfini.c: Declare
	__pthread_initialize_minimal ().

	* linuxthreads/sysdeps/unix/sysv/linux/ia64/pt-initfini.c: New.

Index: linuxthreads/sysdeps/pthread/pt-initfini.c
===================================================================
RCS file: /work/cvs/gnu/glibc/linuxthreads/sysdeps/pthread/pt-initfini.c,v
retrieving revision 1.1.1.1
diff -u -p -r1.1.1.1 pt-initfini.c
--- linuxthreads/sysdeps/pthread/pt-initfini.c	2001/02/03 07:02:29	1.1.1.1
+++ linuxthreads/sysdeps/pthread/pt-initfini.c	2001/02/03 22:09:46
@@ -65,6 +65,7 @@ asm ("\n/*@_init_PROLOG_BEGINS*/");
 static void
 call_initialize_minimal (void)
 {
+  extern void __pthread_initialize_minimal (void);
   __pthread_initialize_minimal ();
 }
 
--- /dev/null	Tue Dec 12 13:27:14 2000
+++ linuxthreads/sysdeps/unix/sysv/linux/ia64/pt-initfini.c	Sat Feb  3 14:13:27 2001
@@ -0,0 +1,117 @@
+/* Special .init and .fini section support for Linuxthread/ia64.
+   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 Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   In addition to the permissions in the GNU Library General Public
+   License, the Free Software Foundation gives you unlimited
+   permission to link the compiled version of this file with other
+   programs, and to distribute those programs without any restriction
+   coming from the use of this file.  (The Library General Public
+   License restrictions do apply in other respects; for example, they
+   cover modification of the file, and distribution when not linked
+   into another program.)
+
+   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, 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+/* This file is compiled into assembly code which is then munged by a sed
+   script into two files: crti.s and crtn.s.
+
+   * crti.s puts a function prologue at the beginning of the
+   .init and .fini sections and defines global symbols for
+   those addresses, so they can be called as functions.
+
+   * crtn.s puts the corresponding function epilogues
+   in the .init and .fini sections. */
+
+__asm__ ("
+
+#include \"defs.h\"
+
+/*@HEADER_ENDS*/
+
+/*@_init_PROLOG_BEGINS*/
+	.section .init
+	.align 16
+	.global _init#
+	.proc _init#
+_init:
+	alloc r34 = ar.pfs, 0, 3, 0, 0
+	mov r32 = r12
+	mov r33 = b0
+	adds r12 = -16, r12
+	addl r14 = @ltoff(@fptr(__gmon_start__#)), gp
+	;;
+/* we could use r35 to save gp, but we use the stack since that's what
+ * all the other init routines will do --davidm 00/04/05 */
+	st8 [r12] = gp, -16
+	br.call.sptk.many b0 = __pthread_initialize_minimal#
+	;;
+	ld8 r15 = [r14]
+	;;
+	cmp.eq p6, p7 = 0, r15
+	(p6) br.cond.dptk .L5
+	br.call.sptk.many b0 = __gmon_start__# ;;
+.L5:
+	adds r12 = 16, r12
+	;;
+	ld8 gp = [r12]
+	;;
+	.align 16
+	.endp _init#
+
+/*@_init_PROLOG_ENDS*/
+
+/*@_init_EPILOG_BEGINS*/
+	.section .init
+	.regstk 0,2,0,0
+	mov r12 = r32
+	mov ar.pfs = r34
+	mov b0 = r33
+	br.ret.sptk.many b0
+	.endp _init#
+/*@_init_EPILOG_ENDS*/
+
+/*@_fini_PROLOG_BEGINS*/
+	.section .fini
+	.align 16
+	.global _fini#
+	.proc _fini#
+_fini:
+	alloc r34 = ar.pfs, 0, 3, 0, 0
+	mov r32 = r12
+	mov r33 = b0
+	adds r12 = -16, r12
+	;;
+	.align 16
+	.endp _fini#
+
+/*@_fini_PROLOG_ENDS*/
+	br.call.sptk.many b0 = i_am_not_a_leaf# ;;
+	;;
+
+/*@_fini_EPILOG_BEGINS*/
+	.section .fini
+	mov r12 = r32
+	mov ar.pfs = r34
+	mov b0 = r33
+	br.ret.sptk.many b0
+	.endp _fini#
+
+/*@_fini_EPILOG_ENDS*/
+
+/*@TRAILER_BEGINS*/
+	.weak	__gmon_start__#
+");