Use separate section for parsers array

Instead of hardcoding the array of parsers, use the linker to do the
work for us.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/discover/parser-utils.h b/discover/parser-utils.h
index e82e3f9..955f5f4 100644
--- a/discover/parser-utils.h
+++ b/discover/parser-utils.h
@@ -7,6 +7,16 @@
 
 #define artwork_pathname(file) (PKG_SHARE_DIR "/artwork/" file)
 
+#define define_parser(__name, __priority, __parse_fn)			\
+	struct parser 							\
+		__attribute__((unused, section("parsers")))		\
+	__ ## __name ## _parser = {					\
+		.name		= #__name,				\
+		.priority	= __priority,				\
+		.parse		= __parse_fn,				\
+	};
+
+
 void device_add_boot_option(struct device *device,
 		struct boot_option *boot_option);