sparse support GCC's modes like __SI__, __DI__, and __word__
but GCC also supports a mode __pointer__ which is used by Xen.
Add support for this missing __pointer__ mode.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
---
parse.c | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/parse.c b/parse.c
index 0cafb4e6c..845b2c167 100644
--- a/parse.c
+++ b/parse.c
@@ -91,7 +91,8 @@ static attr_t
typedef struct symbol *to_mode_t(struct symbol *);
static to_mode_t
- to_QI_mode, to_HI_mode, to_SI_mode, to_DI_mode, to_TI_mode, to_word_mode;
+ to_QI_mode, to_HI_mode, to_SI_mode, to_DI_mode, to_TI_mode;
+static to_mode_t to_pointer_mode, to_word_mode;
enum {
Set_T = 1,
@@ -410,6 +411,11 @@ static struct symbol_op mode_TI_op = {
.to_mode = to_TI_mode
};
+static struct symbol_op mode_pointer_op = {
+ .type = KW_MODE,
+ .to_mode = to_pointer_mode
+};
+
static struct symbol_op mode_word_op = {
.type = KW_MODE,
.to_mode = to_word_mode
@@ -548,6 +554,8 @@ static struct init_keyword {
{ "__DI__", NS_KEYWORD, .op = &mode_DI_op },
{ "TI", NS_KEYWORD, .op = &mode_TI_op },
{ "__TI__", NS_KEYWORD, .op = &mode_TI_op },
+ { "pointer", NS_KEYWORD, .op = &mode_pointer_op },
+ { "__pointer__",NS_KEYWORD, .op = &mode_pointer_op },
{ "word", NS_KEYWORD, .op = &mode_word_op },
{ "__word__", NS_KEYWORD, .op = &mode_word_op },
};
@@ -1105,6 +1113,14 @@ static struct symbol *to_TI_mode(struct symbol *ctype)
: &slllong_ctype;
}
+static struct symbol *to_pointer_mode(struct symbol *ctype)
+{
+ if (ctype->ctype.base_type != &int_type)
+ return NULL;
+ return ctype->ctype.modifiers & MOD_UNSIGNED ? uintptr_ctype
+ : intptr_ctype;
+}
+
static struct symbol *to_word_mode(struct symbol *ctype)
{
if (ctype->ctype.base_type != &int_type)
--
2.18.0
--
To unsubscribe from this list: send the line "unsubscribe smatch" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
