aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/libgcc/config/pa/lib2funcs.S
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.9/libgcc/config/pa/lib2funcs.S')
-rw-r--r--gcc-4.9/libgcc/config/pa/lib2funcs.S74
1 files changed, 74 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/config/pa/lib2funcs.S b/gcc-4.9/libgcc/config/pa/lib2funcs.S
new file mode 100644
index 000000000..49c68599d
--- /dev/null
+++ b/gcc-4.9/libgcc/config/pa/lib2funcs.S
@@ -0,0 +1,74 @@
+; Subroutines for calling unbound dynamic functions from within GDB for HPPA.
+; Subroutines for out of line prologues and epilogues on for the HPPA
+; Copyright (C) 1994-2014 Free Software Foundation, Inc.
+
+; This file is part of GCC.
+
+; GCC is free software; you can redistribute it and/or modify
+; it under the terms of the GNU General Public License as published by
+; the Free Software Foundation; either version 3, or (at your option)
+; any later version.
+
+; GCC 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 General Public License for more details.
+
+; Under Section 7 of GPL version 3, you are granted additional
+; permissions described in the GCC Runtime Library Exception, version
+; 3.1, as published by the Free Software Foundation.
+
+; You should have received a copy of the GNU General Public License and
+; a copy of the GCC Runtime Library Exception along with this program;
+; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+; <http://www.gnu.org/licenses/>.
+
+#if !defined(__pro__) && !defined(__rtems__)
+ .SPACE $PRIVATE$
+ .SUBSPA $DATA$,QUAD=1,ALIGN=8,ACCESS=31
+ .SUBSPA $BSS$,QUAD=1,ALIGN=8,ACCESS=31,ZERO,SORT=82
+ .SPACE $TEXT$
+ .SUBSPA $LIT$,QUAD=0,ALIGN=8,ACCESS=44
+ .SUBSPA $CODE$,QUAD=0,ALIGN=8,ACCESS=44,CODE_ONLY
+ .SUBSPA $MILLICODE$,QUAD=0,ALIGN=8,ACCESS=44,SORT=8
+#endif
+ .IMPORT $$dyncall,MILLICODE
+#if !defined(__pro__) && !defined(__rtems__)
+ .SPACE $TEXT$
+ .SUBSPA $CODE$
+#else
+ .text
+#endif
+
+; Simply call with the address of the desired import stub in %r22 and
+; arguments in the normal place (%r26-%r23 and stack slots).
+;
+ .align 4
+ .EXPORT __gcc_plt_call,ENTRY,PRIV_LEV=3,RTNVAL=GR
+__gcc_plt_call
+ .PROC
+ .CALLINFO
+ .ENTRY
+ ; Our return address comes in %r31, not %r2!
+ stw %r31,-8(%r30)
+
+ ; An inline version of dyncall so we don't have to worry
+ ; about long calls to millicode, PIC and other complexities.
+ bb,>=,n %r22,30,L$foo
+ depi 0,31,2,%r22
+ ldw 4(%r22),%r19
+ ldw 0(%r22),%r22
+L$foo
+ ldsid (%r22),%r1
+ mtsp %r1,%sr0
+ ble 0(%sr0,%r22)
+ copy %r31,%r2
+ ldw -8(%r30),%r2
+
+ ; We're going to be returning to a stack address, so we
+ ; need to do an intra-space return.
+ ldsid (%rp),%r1
+ mtsp %r1,%sr0
+ be,n 0(%sr0,%rp)
+ .EXIT
+ .PROCEND