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authorJoel Brobecker <brobecker@gnat.com>2009-03-13 00:57:52 +0000
committerJoel Brobecker <brobecker@gnat.com>2009-03-13 00:57:52 +0000
commitb79819baf724fdf9e33c9d853a57e0abeca29b05 (patch)
treefe43f5c8ed2271e5e1e73737da43cb43ab058a70
parentef6f706809dd770d9be48f16dabe6b13aa1ab07b (diff)
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* ada-lang.c (ada_evaluate_subexp) [OP_VAR_VALUE]: For tagged
types, if we are unable to determine the actual symbol type from its tag, then use the static approximation instead.
-rw-r--r--gdb/ChangeLog6
-rw-r--r--gdb/ada-lang.c13
2 files changed, 18 insertions, 1 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 7ddb7d1..d3e9c2c 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,11 @@
2009-03-12 Joel Brobecker <brobecker@adacore.com>
+ * ada-lang.c (ada_evaluate_subexp) [OP_VAR_VALUE]: For tagged
+ types, if we are unable to determine the actual symbol type
+ from its tag, then use the static approximation instead.
+
+2009-03-12 Joel Brobecker <brobecker@adacore.com>
+
Fix crash printing packed record with packed array.
* ada-lang.c (ada_modulus_from_name): New function.
diff --git a/gdb/ada-lang.c b/gdb/ada-lang.c
index 6988594..0724804 100644
--- a/gdb/ada-lang.c
+++ b/gdb/ada-lang.c
@@ -8576,8 +8576,19 @@ ada_evaluate_subexp (struct type *expect_type, struct expression *exp,
a fixed type would result in the loss of that type name,
thus preventing us from printing the name of the ancestor
type in the type description. */
+ struct type *actual_type;
+
arg1 = evaluate_subexp (NULL_TYPE, exp, pos, EVAL_NORMAL);
- return value_zero (type_from_tag (ada_value_tag (arg1)), not_lval);
+ actual_type = type_from_tag (ada_value_tag (arg1));
+ if (actual_type == NULL)
+ /* If, for some reason, we were unable to determine
+ the actual type from the tag, then use the static
+ approximation that we just computed as a fallback.
+ This can happen if the debugging information is
+ incomplete, for instance. */
+ actual_type = type;
+
+ return value_zero (actual_type, not_lval);
}
*pos += 4;