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authorAndreas Jaeger <aj@suse.de>2001-06-07 07:28:55 +0000
committerAndreas Jaeger <aj@suse.de>2001-06-07 07:28:55 +0000
commite856b72d3e4a457d3891a73ba9e274cd6fe39677 (patch)
tree7af0d2c38ce4f885e3ccf744365feefe64a6c33c /linuxthreads
parentb381189e6755798a8e701c8c26f9c4483f8d2ace (diff)
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New HPPA Linux version of pt-initfini.
2001-04-30 Alan Modra <amodra@one.net.au> * sysdeps/unix/sysv/linux/hppa/pt-initfini.c: New.
Diffstat (limited to 'linuxthreads')
-rw-r--r--linuxthreads/ChangeLog4
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/hppa/pt-initfini.c110
2 files changed, 114 insertions, 0 deletions
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog
index 7dd7b54fa9..c094bec4bb 100644
--- a/linuxthreads/ChangeLog
+++ b/linuxthreads/ChangeLog
@@ -1,3 +1,7 @@
+2001-04-30 Alan Modra <amodra@one.net.au>
+
+ * sysdeps/unix/sysv/linux/hppa/pt-initfini.c: New.
+
2001-05-25 Bruce Mitchener <bruce@cubik.org>
* linuxthreads.texi: Spelling corrections.
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/hppa/pt-initfini.c b/linuxthreads/sysdeps/unix/sysv/linux/hppa/pt-initfini.c
new file mode 100644
index 0000000000..da34ffea2a
--- /dev/null
+++ b/linuxthreads/sysdeps/unix/sysv/linux/hppa/pt-initfini.c
@@ -0,0 +1,110 @@
+/* Special .init and .fini section support for HPPA. Linuxthreads 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 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. */
+
+/* If we use the standard C version, the linkage table pointer won't
+ be properly preserved due to the splitting up of function prologues
+ and epilogues. Therefore we write these in assembly to make sure
+ they do the right thing. */
+
+__asm__ ("
+
+#include \"defs.h\"
+
+/*@HEADER_ENDS*/
+
+/*@_init_PROLOG_BEGINS*/
+ .section .init
+ .align 4
+ .globl _init
+ .type _init,@function
+_init:
+ stw %rp,-20(%sp)
+ stwm %r4,64(%sp)
+ stw %r19,-32(%sp)
+ bl __pthread_initialize_minimal,%rp
+ copy %r19,%r4 /* delay slot */
+ copy %r4,%r19
+/*@_init_PROLOG_ENDS*/
+
+/*@_init_EPILOG_BEGINS*/
+/* Here is the tail end of _init. */
+ .section .init
+ ldw -84(%sp),%rp
+ copy %r4,%r19
+ bv %r0(%rp)
+_end_init:
+ ldwm -64(%sp),%r4
+
+/* Our very own unwind info, because the assembler can't handle
+ functions split into two or more pieces. */
+ .section .PARISC.unwind,\"a\",@progbits
+ .extern _init
+ .word _init, _end_init
+ .byte 0x08, 0x01, 0x00, 0x08, 0x00, 0x00, 0x00, 0x08
+
+/*@_init_EPILOG_ENDS*/
+
+/*@_fini_PROLOG_BEGINS*/
+ .section .fini
+ .align 4
+ .globl _fini
+ .type _fini,@function
+_fini:
+ stw %rp,-20(%sp)
+ stwm %r4,64(%sp)
+ stw %r19,-32(%sp)
+ copy %r19,%r4
+/*@_fini_PROLOG_ENDS*/
+
+/*@_fini_EPILOG_BEGINS*/
+ .section .fini
+ ldw -84(%sp),%rp
+ copy %r4,%r19
+ bv %r0(%rp)
+_end_fini:
+ ldwm -64(%sp),%r4
+
+ .section .PARISC.unwind,\"a\",@progbits
+ .extern _fini
+ .word _fini, _end_fini
+ .byte 0x08, 0x01, 0x00, 0x08, 0x00, 0x00, 0x00, 0x08
+
+/*@_fini_EPILOG_ENDS*/
+
+/*@TRAILER_BEGINS*/
+");