* SPDX-License-Identifier: GPL-2.0+
*/
+#ifndef __LINKER_LISTS_H__
+#define __LINKER_LISTS_H__
+
+#include <linux/compiler.h>
+
/*
* There is no use in including this from ASM files, but that happens
* anyway, e.g. PPC kgdb.S includes command.h which incluse us.
/**
* A linker list is constructed by grouping together linker input
- * sections, each containning one entry of the list. Each input section
+ * sections, each containing one entry of the list. Each input section
* contains a constant initialized variable which holds the entry's
* content. Linker list input sections are constructed from the list
* and entry names, plus a prefix which allows grouping all lists
* together. Assuming _list and _entry are the list and entry names,
* then the corresponding input section name is
*
- * _u_boot_list + _2_ + @_list + _2_ + @_entry
+ * .u_boot_list_ + 2_ + @_list + _2_ + @_entry
*
* and the C variable name is
*
- * .u_boot_list_ + 2_ + @_list + _2_ + @_entry
+ * _u_boot_list + _2_ + @_list + _2_ + @_entry
*
* This ensures uniqueness for both input section and C variable name.
*
* Note that the names differ only in the first character, "." for the
- * setion and "_" for the variable, so that the linker cannot confuse
+ * section and "_" for the variable, so that the linker cannot confuse
* section and symbol names. From now on, both names will be referred
* to as
*
* %u_boot_list_2_drivers_3
*/
-#ifndef __LINKER_LISTS_H__
-#define __LINKER_LISTS_H__
+/**
+ * ll_sym() - Access a linker-generated array entry
+ * @_type: Data type of the entry
+ * @_name: Name of the entry
+ * @_list: name of the list. Should contain only characters allowed
+ * in a C variable name!
+ */
+#define llsym(_type, _name, _list) \
+ ((_type *)&_u_boot_list_2_##_list##_2_##_name)
/**
* ll_entry_declare() - Declare linker-generated array entry
section(".u_boot_list_2_"#_list"_2_"#_name)))
/**
+ * ll_entry_declare_list() - Declare a list of link-generated array entries
+ * @_type: Data type of each entry
+ * @_name: Name of the entry
+ * @_list: name of the list. Should contain only characters allowed
+ * in a C variable name!
+ *
+ * This is like ll_entry_declare() but creates multiple entries. It should
+ * be assigned to an array.
+ *
+ * ll_entry_declare_list(struct my_sub_cmd, my_sub_cmd, cmd_sub, cmd.sub) = {
+ * { .x = 3, .y = 4 },
+ * { .x = 8, .y = 2 },
+ * { .x = 1, .y = 7 }
+ * };
+ */
+#define ll_entry_declare_list(_type, _name, _list) \
+ _type _u_boot_list_2_##_list##_2_##_name[] __aligned(4) \
+ __attribute__((unused, \
+ section(".u_boot_list_2_"#_list"_2_"#_name)))
+
+/**
* We need a 0-byte-size type for iterator symbols, and the compiler
* does not allow defining objects of C type 'void'. Using an empty
* struct is allowed by the compiler, but causes gcc versions 4.4 and
* and it's name.
*
* Example:
- * ll_entry_declare(struct my_sub_cmd, my_sub_cmd, cmd_sub, cmd.sub) = {
+ * ll_entry_declare(struct my_sub_cmd, my_sub_cmd, cmd_sub) = {
* .x = 3,
* .y = 4,
* };