From: kevinb <kevinb>
Date: Fri, 9 May 2003 05:13:42 +0000 (+0000)
Subject: 	* linux-target.c (mips_singlestep): Don't interpret all coprocessor
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=0598f64704a9431b815b76f2f9a93effb00ef4b2;p=pf3gnuchains%2Fpf3gnuchains3x.git

	* linux-target.c (mips_singlestep): Don't interpret all coprocessor
	instructions as conditional branches.
---

diff --git a/rda/unix/ChangeLog b/rda/unix/ChangeLog
index 88c43d603b..fbcb209ca4 100644
--- a/rda/unix/ChangeLog
+++ b/rda/unix/ChangeLog
@@ -1,3 +1,8 @@
+2003-05-08  Kevin Buettner  <kevinb@redhat.com>
+
+	* linux-target.c (mips_singlestep): Don't interpret all coprocessor
+	instructions as conditional branches.
+
 2003-04-10  Kevin Buettner  <kevinb@redhat.com>
 
 	* linux-target.c (NUM_REGS) [MIPS_LINUX_TARGET, MIPS64_LINUX_TARGET]:
diff --git a/rda/unix/linux-target.c b/rda/unix/linux-target.c
index 26572b3950..7f0122dd6d 100644
--- a/rda/unix/linux-target.c
+++ b/rda/unix/linux-target.c
@@ -2640,6 +2640,15 @@ mips_singlestep (struct gdbserv *serv, pid_t pid, int sig)
     targ |= (insn.j_format.target << 2);
     break;
 
+  /* Some cop instructions are conditional... */
+  case cop0_op:
+  case cop1_op:
+  case cop2_op:
+    if (insn.i_format.rs != bc_op)
+      break;
+    else
+      ; /* fall through... */
+
   /*
    * These are conditional.
    */
@@ -2651,9 +2660,6 @@ mips_singlestep (struct gdbserv *serv, pid_t pid, int sig)
   case blezl_op:
   case bgtz_op:
   case bgtzl_op:
-  case cop0_op:
-  case cop1_op:
-  case cop2_op:
   case cop1x_op:
     is_branch = is_cond = 1;
     targ += 4 + (insn.i_format.simmediate << 2);