From b1028c8e8f281d1072e1fd89d8083cb960598a1a Mon Sep 17 00:00:00 2001 From: Pedro Alves Date: Thu, 11 Feb 2010 18:24:57 +0000 Subject: [PATCH] * ax-gdb.c (gen_deref): Don't allow dereferencing void pointers. --- gdb/ChangeLog | 4 ++++ gdb/ax-gdb.c | 2 ++ 2 files changed, 6 insertions(+) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index acd65e8..ddf6615 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,7 @@ +2010-02-11 Pedro Alves + + * ax-gdb.c (gen_deref): Don't allow dereferencing void pointers. + 2010-02-11 Vladimir Prus * mi/mi-cmd-stack.c (mi_cmd_stack_list_locals): Add extra diff --git a/gdb/ax-gdb.c b/gdb/ax-gdb.c index 5776bb0..eb53238 100644 --- a/gdb/ax-gdb.c +++ b/gdb/ax-gdb.c @@ -1082,6 +1082,8 @@ gen_deref (struct agent_expr *ax, struct axs_value *value) T" to "T", and mark the value as an lvalue in memory. Leave it to the consumer to actually dereference it. */ value->type = check_typedef (TYPE_TARGET_TYPE (value->type)); + if (TYPE_CODE (value->type) == TYPE_CODE_VOID) + error (_("Attempt to dereference a generic pointer.")); value->kind = ((TYPE_CODE (value->type) == TYPE_CODE_FUNC) ? axs_rvalue : axs_lvalue_memory); } -- 2.7.4