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-rw-r--r--gdb/ChangeLog10
-rw-r--r--gdb/stap-probe.c21
2 files changed, 20 insertions, 11 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 3389167..c89b703 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,15 @@
2019-05-16 Sergio Durigan Junior <sergiodj@redhat.com>
+ * stap-probe.c (stap_parse_register_operand): Make "if (*p->arg ==
+ '-')" and "else if".
+ (stap_parse_single_operand): Join checks for
+ "gdbarch_stap_parse_special_token_p" and
+ "gdbarch_stap_parse_special_token" in the same "if" statement.
+ Invert check when verifying for operation on register
+ displacement.
+
+2019-05-16 Sergio Durigan Junior <sergiodj@redhat.com>
+
* stap-probe.c (stap_get_opcode): Update comment.
(stap_get_expected_argument_type): Likewise.
(handle_stap_probe): Likewise.
diff --git a/gdb/stap-probe.c b/gdb/stap-probe.c
index bc2f9fc..db92315 100644
--- a/gdb/stap-probe.c
+++ b/gdb/stap-probe.c
@@ -705,8 +705,7 @@ stap_parse_register_operand (struct stap_parse_info *p)
pointer. */
++p->arg;
}
-
- if (*p->arg == '-')
+ else if (*p->arg == '-')
{
got_minus = true;
++p->arg;
@@ -842,15 +841,15 @@ stap_parse_single_operand (struct stap_parse_info *p)
const char *int_prefix = NULL;
/* We first try to parse this token as a "special token". */
- if (gdbarch_stap_parse_special_token_p (gdbarch))
- if (gdbarch_stap_parse_special_token (gdbarch, p) != 0)
- {
- /* If the return value of the above function is not zero,
- it means it successfully parsed the special token.
+ if (gdbarch_stap_parse_special_token_p (gdbarch)
+ && (gdbarch_stap_parse_special_token (gdbarch, p) != 0))
+ {
+ /* If the return value of the above function is not zero,
+ it means it successfully parsed the special token.
- If it is NULL, we try to parse it using our method. */
- return;
- }
+ If it is NULL, we try to parse it using our method. */
+ return;
+ }
if (*p->arg == '-' || *p->arg == '~' || *p->arg == '+')
{
@@ -890,7 +889,7 @@ stap_parse_single_operand (struct stap_parse_info *p)
{
/* If we are here, it means it is a displacement. The only
operations allowed here are `-' and `+'. */
- if (c == '~')
+ if (c != '-' && c != '+')
error (_("Invalid operator `%c' for register displacement "
"on expression `%s'."), c, p->saved_arg);