> /bin/sh: line 1: 22303 Segmentation fault sparse-0.2/sparse -D__linux__
> -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise -m32 -D__po
I am still interest to get the segfault.
On the other hand, I hack up a patch for vector parsing.
Care to give it a try?
Chris
It add very basic vector parsing. Not heavily tested yet.
Signed-Off-By: Christopher Li <[EMAIL PROTECTED]>
Index: sparse/parse.c
===================================================================
--- sparse.orig/parse.c 2007-03-22 00:57:02.000000000 -0700
+++ sparse/parse.c 2007-03-22 02:01:35.000000000 -0700
@@ -34,6 +34,8 @@ static struct symbol_list **function_sym
struct symbol_list *function_computed_target_list;
struct statement_list *function_computed_goto_list;
+static struct symbol * alloc_indirect_symbol(struct position pos, struct ctype
*ctype, int type);
+
static struct token *statement(struct token *token, struct statement **tree);
static struct token *handle_attributes(struct token *token, struct ctype
*ctype);
@@ -225,6 +227,8 @@ static struct init_keyword {
{ "union", NS_TYPEDEF, .op = &union_op },
{ "enum", NS_TYPEDEF, .op = &enum_op },
+ { "vector", NS_TYPEDEF, MOD_VECTOR, .op = &modifier_op },
+
{ "inline", NS_TYPEDEF, MOD_INLINE, .op = &modifier_op },
{ "__inline", NS_TYPEDEF, MOD_INLINE, .op = &modifier_op },
{ "__inline__", NS_TYPEDEF, MOD_INLINE, .op = &modifier_op },
@@ -382,6 +386,7 @@ static int apply_modifiers(struct positi
case SYM_ARRAY:
case SYM_BITFIELD:
case SYM_PTR:
+ case SYM_VECTOR:
ctype = &base->ctype;
continue;
}
@@ -412,6 +417,13 @@ static int apply_modifiers(struct positi
ctype->base_type = type;
create_fouled(type);
}
+ if (ctype->modifiers & MOD_VECTOR) {
+ struct symbol *vec;
+ ctype->modifiers &= ~MOD_VECTOR;
+ vec = alloc_indirect_symbol(pos, ctype, SYM_VECTOR);
+ /* XXX: correct the size and alignment of vector */
+
+ }
return 0;
}
Index: sparse/symbol.h
===================================================================
--- sparse.orig/symbol.h 2007-03-22 00:57:02.000000000 -0700
+++ sparse/symbol.h 2007-03-22 01:36:43.000000000 -0700
@@ -54,6 +54,7 @@ enum type {
SYM_LABEL,
SYM_RESTRICT,
SYM_FOULED,
+ SYM_VECTOR,
SYM_KEYWORD,
SYM_BAD,
};
@@ -178,7 +179,8 @@ struct symbol {
#define MOD_LONG 0x0400
#define MOD_LONGLONG 0x0800
-#define MOD_TYPEDEF 0x1000
+#define MOD_VECTOR 0x1000
+#define MOD_TYPEDEF 0x2000
#define MOD_INLINE 0x40000
#define MOD_ADDRESSABLE 0x80000
Index: sparse/evaluate.c
===================================================================
--- sparse.orig/evaluate.c 2007-03-19 16:16:29.000000000 -0700
+++ sparse/evaluate.c 2007-03-22 01:56:50.000000000 -0700
@@ -349,6 +349,7 @@ enum {
TYPE_PTR = 16,
TYPE_COMPOUND = 32,
TYPE_FOULED = 64,
+ TYPE_VECTOR = 128,
};
static inline int classify_type(struct symbol *type, struct symbol **base)
@@ -362,6 +363,7 @@ static inline int classify_type(struct s
[SYM_BITFIELD] = TYPE_NUM | TYPE_BITFIELD,
[SYM_RESTRICT] = TYPE_NUM | TYPE_RESTRICT,
[SYM_FOULED] = TYPE_NUM | TYPE_RESTRICT | TYPE_FOULED,
+ [SYM_VECTOR] = TYPE_VECTOR | TYPE_NUM,
};
if (type->type == SYM_NODE)
type = type->ctype.base_type;
@@ -556,6 +558,9 @@ static struct symbol *evaluate_arith(str
if (!(lclass & rclass & TYPE_NUM))
goto Bad;
+ if ((lclass ^ rclass) & TYPE_VECTOR)
+ goto Bad;
+
if (!float_ok && (lclass | rclass) & TYPE_FLOAT)
goto Bad;
@@ -2086,6 +2091,7 @@ static void evaluate_initializer(struct
switch (ctype->type) {
case SYM_ARRAY:
case SYM_PTR:
+ case SYM_VECTOR:
evaluate_array_initializer(get_base_type(ctype), expr);
return;
case SYM_UNION:
Index: sparse/validation/vector.c
===================================================================
--- sparse.orig/validation/vector.c 2007-03-22 00:51:11.000000000 -0700
+++ sparse/validation/vector.c 2007-03-22 01:07:00.000000000 -0700
@@ -0,0 +1,30 @@
+typedef vector signed char unative_t;
+
+#define NBYTES(x) ((vector signed char) {x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x})
+#define NSIZE sizeof(unative_t)
+
+#define __attribute_const__ __attribute__((__const__))
+
+extern unative_t vec_add(unative_t a, unative_t b);
+extern unative_t vec_cmpgt(unative_t a, unative_t b);
+
+static inline __attribute_const__ unative_t SHLBYTE(unative_t v)
+{
+ return vec_add(v,v);
+}
+
+static inline __attribute_const__ unative_t MASK(unative_t v)
+{
+ unative_t zv = NBYTES(0);
+
+ /* vec_cmpgt returns a vector bool char; thus the need for the cast */
+ return (unative_t)vec_cmpgt(zv, v);
+}
+
+
+unative_t foo(void)
+{
+ unative_t i = NBYTES(1);
+ return SHLBYTE(i) + MASK(i);
+}
+
-
To unsubscribe from this list: send the line "unsubscribe linux-sparse" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
