parser: add Blackfin gcc info

The Blackfin port uses some custom attributes to control memory placement,
and it has some custom builtins.  So add the ones that the kernel actually
utilizes to avoid massive build errors with sparse.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Christopher Li <sparse@chrisli.org>

2 files changed, 15 insertions, 0 deletions

diff --git a/lib.c b/lib.c
index d6e8b0e..c4a6f87 100644
--- a/lib.c
+++ b/lib.c
@@ -718,6 +718,15 @@ void declare_builtin_functions(void)
 	add_pre_buffer("extern long __builtin_labs(long);\n");
 	add_pre_buffer("extern double __builtin_fabs(double);\n");
 
+	/* Add Blackfin-specific stuff */
+	add_pre_buffer(
+		"#ifdef __bfin__\n"
+		"extern void __builtin_bfin_csync(void);\n"
+		"extern void __builtin_bfin_ssync(void);\n"
+		"extern int __builtin_bfin_norm_fr1x32(int);\n"
+		"#endif\n"
+	);
+
 	/* And some floating point stuff.. */
 	add_pre_buffer("extern int __builtin_isgreater(float, float);\n");
 	add_pre_buffer("extern int __builtin_isgreaterequal(float, float);\n");
diff --git a/parse.c b/parse.c
index 7f1ee27..537055f 100644
--- a/parse.c
+++ b/parse.c
@@ -515,6 +515,12 @@ const char *ignored_attributes[] = {
 	"__format_arg__",
 	"hot",
 	"__hot__",
+	"l1_text",
+	"__l1_text__",
+	"l1_data",
+	"__l1_data__",
+	"l2",
+	"__l2__",
 	"may_alias",
 	"__may_alias__",
 	"malloc",