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authorRichard Kenner <kenner@vlsi1.ultra.nyu.edu>1995-07-29 13:15:13 +0000
committerRichard Kenner <kenner@vlsi1.ultra.nyu.edu>1995-07-29 13:15:13 +0000
commitd9c0cbb89f5888104b54317d88773ac143f63cd2 (patch)
treef60899d7cdc15f3f096b627f344bdd6ee650ce76 /gcc/config/pa/lib2funcs.asm
parent85e4493de578d4960f53ff8703f6fbc4595c1903 (diff)
(gcc_plt_call): Rewrite to avoid the need for being called by
_sr4export. Inline expand $$dyncall to avoid the need for long-call and PIC support. git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@10194 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/pa/lib2funcs.asm')
-rw-r--r--gcc/config/pa/lib2funcs.asm26
1 files changed, 21 insertions, 5 deletions
diff --git a/gcc/config/pa/lib2funcs.asm b/gcc/config/pa/lib2funcs.asm
index 500483060ba..ea964d3af6f 100644
--- a/gcc/config/pa/lib2funcs.asm
+++ b/gcc/config/pa/lib2funcs.asm
@@ -1,5 +1,5 @@
; Subroutines for calling unbound dynamic functions from within GDB for HPPA.
-; Copyright (C) 1994 Free Software Foundation, Inc.
+; Copyright (C) 1994, 1995 Free Software Foundation, Inc.
; This file is part of GNU CC.
@@ -36,12 +36,28 @@
.EXPORT __gcc_plt_call,ENTRY,PRIV_LEV=3,RTNVAL=GR
__gcc_plt_call
.PROC
- .CALLINFO FRAME=64,CALLS,SAVE_RP
+ .CALLINFO
.ENTRY
- stw %r2,-8(0,%r30)
- bl $$dyncall,%r31
+ ; Our return address comes in %r31, not %r2!
+ stw %r31,-8(0,%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(0,%r30),%r2
- bv,n 0(%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