add driver 5G

hc

2024-01-31 f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2

 kernel/include/asm-generic/export.h
..
..
@@ -1,17 +1,16 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 #ifndef __ASM_GENERIC_EXPORT_H
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 #define __ASM_GENERIC_EXPORT_H
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 #ifndef KSYM_FUNC
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 #define KSYM_FUNC(x) x
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 #endif
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-#ifdef CONFIG_64BIT
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-#ifndef KSYM_ALIGN
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-#define KSYM_ALIGN 8
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-#endif
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-#else
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-#ifndef KSYM_ALIGN
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+#ifdef CONFIG_HAVE_ARCH_PREL32_RELOCATIONS
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 #define KSYM_ALIGN 4
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-#endif
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+#elif defined(CONFIG_64BIT)
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+#define KSYM_ALIGN 8
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+#else
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+#define KSYM_ALIGN 4
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 #endif
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 #ifndef KCRC_ALIGN
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 #define KCRC_ALIGN 4
..
..
@@ -19,34 +18,34 @@
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 .macro __put, val, name
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 #ifdef CONFIG_HAVE_ARCH_PREL32_RELOCATIONS
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-	.long	\val - ., \name - .
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+	.long	\val - ., \name - ., 0
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 #elif defined(CONFIG_64BIT)
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-	.quad	\val, \name
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+	.quad	\val, \name, 0
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 #else
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-	.long	\val, \name
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+	.long	\val, \name, 0
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 #endif
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 .endm
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 /*
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- * note on .section use: @progbits vs %progbits nastiness doesn't matter,
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- * since we immediately emit into those sections anyway.
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+ * note on .section use: we specify progbits since usage of the "M" (SHF_MERGE)
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+ * section flag requires it. Use '%progbits' instead of '@progbits' since the
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+ * former apparently works on all arches according to the binutils source.
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  */
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+
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 .macro ___EXPORT_SYMBOL name,val,sec
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-#ifdef CONFIG_MODULES
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-	.globl __ksymtab_\name
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+#if defined(CONFIG_MODULES) && !defined(__DISABLE_EXPORTS)
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 	.section ___ksymtab\sec+\name,"a"
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 	.balign KSYM_ALIGN
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 __ksymtab_\name:
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 	__put \val, __kstrtab_\name
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 	.previous
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-	.section __ksymtab_strings,"a"
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+	.section __ksymtab_strings,"aMS",%progbits,1
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 __kstrtab_\name:
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 	.asciz "\name"
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 	.previous
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 #ifdef CONFIG_MODVERSIONS
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 	.section ___kcrctab\sec+\name,"a"
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 	.balign KCRC_ALIGN
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-__kcrctab_\name:
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 #if defined(CONFIG_MODULE_REL_CRCS)
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 	.long __crc_\name - .
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 #else
..
..
@@ -57,18 +56,20 @@
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 #endif
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 #endif
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 .endm
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-#undef __put
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-#if defined(__KSYM_DEPS__)
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-
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-#define __EXPORT_SYMBOL(sym, val, sec)	=== __KSYM_##sym ===
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-
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-#elif defined(CONFIG_TRIM_UNUSED_KSYMS)
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+#if defined(CONFIG_TRIM_UNUSED_KSYMS)
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 #include <linux/kconfig.h>
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 #include <generated/autoksyms.h>
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64
 
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+.macro __ksym_marker sym
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+	.section ".discard.ksym","a"
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+__ksym_marker_\sym:
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+	 .previous
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+.endm
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+
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 #define __EXPORT_SYMBOL(sym, val, sec)				\
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+	__ksym_marker sym;					\
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 	__cond_export_sym(sym, val, sec, __is_defined(__KSYM_##sym))
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 #define __cond_export_sym(sym, val, sec, conf)			\
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 	___cond_export_sym(sym, val, sec, conf)