2010-02-16 Sami Wagiaalla <swagiaal@redhat.com>

[deliverable/binutils-gdb.git] / gdb / ax-general.c

diff --git a/gdb/ax-general.c b/gdb/ax-general.c
index 8c1dfe1b68aeea2c0a7be5e1f9a604a7a923b1d2..e2ceb3de7061c84749faa5dc2164ccef13b437d5 100644 (file)
--- a/gdb/ax-general.c
+++ b/gdb/ax-general.c
@@ -1,11 +1,12 @@
 /* Functions for manipulating expressions designed to be executed on the agent
-   Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1998, 1999, 2000, 2007, 2008, 2009, 2010
+   Free Software Foundation, Inc.
 
    This file is part of GDB.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -14,9 +15,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 /* Despite what the above comment says about this file being part of
    GDB, we would like to keep these functions free of GDB
@@ -273,6 +272,22 @@ ax_reg (struct agent_expr *x, int reg)
   x->buf[x->len + 2] = (reg) & 0xff;
   x->len += 3;
 }
+
+/* Assemble code to operate on a trace state variable.  */
+
+void
+ax_tsv (struct agent_expr *x, enum agent_op op, int num)
+{
+  /* Make sure the tsv number is in range.  */
+  if (num < 0 || num > 0xffff)
+    internal_error (__FILE__, __LINE__, _("ax-general.c (ax_tsv): variable number is %d, out of range"), num);
+
+  grow_expr (x, 3);
+  x->buf[x->len] = op;
+  x->buf[x->len + 1] = (num >> 8) & 0xff;
+  x->buf[x->len + 2] = (num) & 0xff;
+  x->len += 3;
+}
 \f
 
 
@@ -325,9 +340,9 @@ struct aop_map aop_map[] =
   {"pop", 0, 0, 1, 0},         /* 0x29 */
   {"zero_ext", 1, 0, 1, 1},    /* 0x2a */
   {"swap", 0, 0, 2, 2},                /* 0x2b */
-  {0, 0, 0, 0, 0},             /* 0x2c */
-  {0, 0, 0, 0, 0},             /* 0x2d */
-  {0, 0, 0, 0, 0},             /* 0x2e */
+  {"getv", 2, 0, 0, 1},                /* 0x2c */
+  {"setv", 2, 0, 0, 1},                /* 0x2d */
+  {"tracev", 2, 0, 0, 1},      /* 0x2e */
   {0, 0, 0, 0, 0},             /* 0x2f */
   {"trace16", 2, 0, 1, 1},     /* 0x30 */
 };