From: Jeff Law <law@redhat.com>
Date: Tue, 19 Mar 1996 17:40:12 +0000 (+0000)
Subject:         * rs6000-nat.c (exec_one_dummy_insn): Don't clobber the
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a466b86aac9e055dbaf4b1e5087deb52265ff8d5;p=binutils-gdb.git

    * rs6000-nat.c (exec_one_dummy_insn): Don't clobber the
        PC in the registers array.  From Peter Schauer.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index ab7c1722d9f..68e3973a139 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+Tue Mar 19 10:39:15 1996  Jeffrey A Law  (law@cygnus.com)
+
+	* rs6000-nat.c (exec_one_dummy_insn): Don't clobber the
+	PC in the registers array.  From Peter Schauer.
+
 Mon Mar 18 13:47:09 1996  Fred Fish  <fnf@cygnus.com>
 
 	* symfile.c (reread_symbols): Reinitialize bcache struct
diff --git a/gdb/rs6000-nat.c b/gdb/rs6000-nat.c
index 8293b56871a..b9ad387b05d 100644
--- a/gdb/rs6000-nat.c
+++ b/gdb/rs6000-nat.c
@@ -231,6 +231,7 @@ exec_one_dummy_insn ()
 
   char shadow_contents[BREAKPOINT_MAX];	/* Stash old bkpt addr contents */
   unsigned int status, pid;
+  CORE_ADDR prev_pc;
 
   /* We plant one dummy breakpoint into DUMMY_INSN_ADDR address. We assume that
      this address will never be executed again by the real code. */
@@ -244,6 +245,7 @@ exec_one_dummy_insn ()
      on.  However, rs6000-ibm-aix4.1.3 seems to have screwed this up --
      the inferior never hits the breakpoint (it's also worth noting
      powerpc-ibm-aix4.1.3 works correctly).  */
+  prev_pc = read_pc ();
   write_pc (DUMMY_INSN_ADDR);
   ptrace (PT_CONTINUE, inferior_pid, (PTRACE_ARG3_TYPE)1, 0, 0);
 
@@ -254,6 +256,7 @@ exec_one_dummy_insn ()
     pid = wait (&status);
   } while (pid != inferior_pid);
     
+  write_pc (prev_pc);
   target_remove_breakpoint (DUMMY_INSN_ADDR, shadow_contents);
 }