[PATCH] xtensa: add asm-prototypes.h

From: Max Filippov
Date: Thu Jun 08 2023 - 22:34:46 EST


Move assembly source prototypes from xtensa_ksyms.c to
asm/asm-prototypes.h and enable HAVE_ASM_MODVERSIONS for xtensa.

Signed-off-by: Max Filippov <jcmvbkbc@xxxxxxxxx>
---
arch/xtensa/Kconfig | 1 +
arch/xtensa/include/asm/asm-prototypes.h | 22 ++++++++++++++++++++++
arch/xtensa/kernel/xtensa_ksyms.c | 16 +---------------
3 files changed, 24 insertions(+), 15 deletions(-)
create mode 100644 arch/xtensa/include/asm/asm-prototypes.h

diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 3c6e5471f025..46051edc5ed3 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -35,6 +35,7 @@ config XTENSA
select HAVE_ARCH_KCSAN
select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_TRACEHOOK
+ select HAVE_ASM_MODVERSIONS
select HAVE_CONTEXT_TRACKING_USER
select HAVE_DEBUG_KMEMLEAK
select HAVE_DMA_CONTIGUOUS
diff --git a/arch/xtensa/include/asm/asm-prototypes.h b/arch/xtensa/include/asm/asm-prototypes.h
new file mode 100644
index 000000000000..5220226e956c
--- /dev/null
+++ b/arch/xtensa/include/asm/asm-prototypes.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_PROTOTYPES_H
+#define __ASM_PROTOTYPES_H
+
+#include <asm-generic/asm-prototypes.h>
+
+/*
+ * gcc internal math functions
+ */
+long long __ashrdi3(long long, int);
+long long __ashldi3(long long, int);
+long long __bswapdi2(long long);
+int __bswapsi2(int);
+long long __lshrdi3(long long, int);
+int __divsi3(int, int);
+int __modsi3(int, int);
+int __mulsi3(int, int);
+unsigned int __udivsi3(unsigned int, unsigned int);
+unsigned int __umodsi3(unsigned int, unsigned int);
+unsigned long long __umulsidi3(unsigned int, unsigned int);
+
+#endif /* __ASM_PROTOTYPES_H */
diff --git a/arch/xtensa/kernel/xtensa_ksyms.c b/arch/xtensa/kernel/xtensa_ksyms.c
index 17a7ef86fd0d..3b2c088ae11f 100644
--- a/arch/xtensa/kernel/xtensa_ksyms.c
+++ b/arch/xtensa/kernel/xtensa_ksyms.c
@@ -20,6 +20,7 @@
#include <linux/in6.h>

#include <linux/uaccess.h>
+#include <asm/asm-prototypes.h>
#include <asm/cacheflush.h>
#include <asm/checksum.h>
#include <asm/dma.h>
@@ -51,21 +52,6 @@ EXPORT_SYMBOL(copy_page);

EXPORT_SYMBOL(empty_zero_page);

-/*
- * gcc internal math functions
- */
-extern long long __ashrdi3(long long, int);
-extern long long __ashldi3(long long, int);
-extern long long __bswapdi2(long long);
-extern int __bswapsi2(int);
-extern long long __lshrdi3(long long, int);
-extern int __divsi3(int, int);
-extern int __modsi3(int, int);
-extern int __mulsi3(int, int);
-extern unsigned int __udivsi3(unsigned int, unsigned int);
-extern unsigned int __umodsi3(unsigned int, unsigned int);
-extern unsigned long long __umulsidi3(unsigned int, unsigned int);
-
EXPORT_SYMBOL(__ashldi3);
EXPORT_SYMBOL(__ashrdi3);
EXPORT_SYMBOL(__bswapdi2);
--
2.30.2