DF_1_INTIFIRST
H . J . Lu
hjl@valinux.com
Wed Feb 7 15:01:00 GMT 2001
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__#
+");
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