lkml.org 
[lkml]   [2023]   [Oct]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 1/5] perf tools: Add get_unaligned_leNN()
Date
Add get_unaligned_le16(), get_unaligned_le32 and get_unaligned_le64, same
as include/asm-generic/unaligned.h.

Use diagnostic pragmas to ignore -Wpacked used by perf build.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
tools/include/asm-generic/unaligned.h | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)

diff --git a/tools/include/asm-generic/unaligned.h b/tools/include/asm-generic/unaligned.h
index 47387c607035..9140bb4e16c6 100644
--- a/tools/include/asm-generic/unaligned.h
+++ b/tools/include/asm-generic/unaligned.h
@@ -6,6 +6,9 @@
#ifndef __TOOLS_LINUX_ASM_GENERIC_UNALIGNED_H
#define __TOOLS_LINUX_ASM_GENERIC_UNALIGNED_H

+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wpacked"
+
#define __get_unaligned_t(type, ptr) ({ \
const struct { type x; } __packed *__pptr = (typeof(__pptr))(ptr); \
__pptr->x; \
@@ -19,5 +22,22 @@
#define get_unaligned(ptr) __get_unaligned_t(typeof(*(ptr)), (ptr))
#define put_unaligned(val, ptr) __put_unaligned_t(typeof(*(ptr)), (val), (ptr))

+static inline u16 get_unaligned_le16(const void *p)
+{
+ return le16_to_cpu(__get_unaligned_t(__le16, p));
+}
+
+static inline u32 get_unaligned_le32(const void *p)
+{
+ return le32_to_cpu(__get_unaligned_t(__le32, p));
+}
+
+static inline u64 get_unaligned_le64(const void *p)
+{
+ return le64_to_cpu(__get_unaligned_t(__le64, p));
+}
+
+#pragma GCC diagnostic pop
+
#endif /* __TOOLS_LINUX_ASM_GENERIC_UNALIGNED_H */

--
2.34.1
\
 
 \ /
  Last update: 2023-10-05 21:09    [W:1.671 / U:0.000 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site