[SCM] archer-sergiodj-stap: Fixing problem when displacing a register's access with a positive number.

[sergiodj@sourceware.org]

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- Log -----------------------------------------------------------------
commit e54d21757a87c22d7c3f0119ccc11aa1f4d0a4a4
Author: Sergio Durigan Junior <sergiodj@redhat.com>
Date:   Tue Mar 15 17:31:01 2011 -0300

    Fixing problem when displacing a register's access with a positive
    number.

-----------------------------------------------------------------------

Summary of changes:
 gdb/stap-probe.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

First 500 lines of diff:
diff --git a/gdb/stap-probe.c b/gdb/stap-probe.c
index da06db9..efa6018 100644
--- a/gdb/stap-probe.c
+++ b/gdb/stap-probe.c
@@ -781,7 +781,12 @@ stap_parse_single_operand (char **p, struct gdbarch *gdbarch,
 	int number = strtol (s, &s, 0);
 
 	if (!*s || !(*s == '(' && s[1] == '%'))
-	  ; /* ERROR */
+	  error (_("Invalid register access on expression `%s'."),
+		 stap_saved_expression);
+
+	res
+	  = value_from_longest (builtin_type (gdbarch)->builtin_int,
+				number);
 
 	res = stap_fetch_reg_value (&s, gdbarch, bitness,
 				    frame, res);


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