From: Jim Blandy <jimb@codesourcery.com>
Date: Tue, 5 Feb 2008 15:54:34 +0000 (+0000)
Subject: * ax-gdb.c (gen_expr): Yield ordinary error if asked to trace a
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=02e4669d2765f33e140f75a449db9ce8f2a3b404;p=binutils-gdb.git

* ax-gdb.c (gen_expr): Yield ordinary error if asked to trace a
pseudoregister, not an internal error.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 8e06da09032..8c16a08d7ce 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2008-02-05  Jim Blandy  <jimb@red-bean.com>
+
+	* ax-gdb.c (gen_expr): Yield ordinary error if asked to trace a
+	pseudoregister, not an internal error.
+
 2008-02-04  Vladimir Prus  <vladimir@codesourcery.com>
 
 	* varobj.c (c_value_of_variable): Use xstrdup.
diff --git a/gdb/ax-gdb.c b/gdb/ax-gdb.c
index b527663fe01..571c3e7c8e4 100644
--- a/gdb/ax-gdb.c
+++ b/gdb/ax-gdb.c
@@ -1607,6 +1607,10 @@ gen_expr (union exp_element **pc, struct agent_expr *ax,
 	if (reg == -1)
 	  internal_error (__FILE__, __LINE__,
 			  _("Register $%s not available"), name);
+	if (reg >= gdbarch_num_regs (current_gdbarch))
+	  error (_("'%s' is a pseudo-register; "
+		   "GDB cannot yet trace pseudoregister contents."),
+		 name);
 	value->kind = axs_lvalue_register;
 	value->u.reg = reg;
 	value->type = register_type (current_gdbarch, reg);