From: Jim Kingdon <jkingdon@engr.sgi.com>
Date: Thu, 15 Jul 1993 17:49:41 +0000 (+0000)
Subject: * hppa-tdep.c (pc_in_linker_stub): New function.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d08c6f4c111d513c5090c40826f00eb31d7fa8a5;p=binutils-gdb.git

* hppa-tdep.c (pc_in_linker_stub): New function.
---

diff --git a/gdb/hppa-tdep.c b/gdb/hppa-tdep.c
index d72e831d532..6d3929e394b 100644
--- a/gdb/hppa-tdep.c
+++ b/gdb/hppa-tdep.c
@@ -304,10 +304,20 @@ static int
 pc_in_linker_stub (pc)
      CORE_ADDR pc;
 {
-
   int found_magic_instruction = 0;
   int i;
 
+  /* We are looking for something like
+
+     ; $$dyncall jams RP into this special spot in the frame (RP')
+     ; before calling the "call stub"
+     ldw     -18(sp),rp
+
+     ldsid   (rp),r1         ; Get space associated with RP into r1
+     mtsp    r1,sp           ; Move it into space register 0
+     be,n    0(sr0),rp)      ; back to your regularly scheduled program
+     */
+
   /* Maximum known linker stub size is 4 instructions.  Search forward
      from the given PC, then backward.  */
   for (i = 0; i < 4; i++)