mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 01:11:14 +00:00
124 lines
3.6 KiB
Diff
124 lines
3.6 KiB
Diff
|
From 8dabc6eab444607a68d710f0b09942277095e219 Mon Sep 17 00:00:00 2001
|
||
|
From: Phil Elwell <phil@raspberrypi.com>
|
||
|
Date: Wed, 12 Jan 2022 17:27:03 +0000
|
||
|
Subject: [PATCH] arm: Fix annoying .eh_frame section warnings
|
||
|
|
||
|
Replace the cfi directives with the UNWIND equivalents. This prevents
|
||
|
the .eh_frame section from being created, eliminating the warnings.
|
||
|
|
||
|
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
|
||
|
---
|
||
|
arch/arm/lib/memcpy_rpi.S | 2 ++
|
||
|
arch/arm/lib/memcpymove.h | 45 ++++++++++++--------------------------
|
||
|
arch/arm/lib/memmove_rpi.S | 2 ++
|
||
|
3 files changed, 18 insertions(+), 31 deletions(-)
|
||
|
|
||
|
--- a/arch/arm/lib/memcpy_rpi.S
|
||
|
+++ b/arch/arm/lib/memcpy_rpi.S
|
||
|
@@ -27,6 +27,8 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBI
|
||
|
*/
|
||
|
|
||
|
#include <linux/linkage.h>
|
||
|
+#include <asm/assembler.h>
|
||
|
+#include <asm/unwind.h>
|
||
|
#include "arm-mem.h"
|
||
|
#include "memcpymove.h"
|
||
|
|
||
|
--- a/arch/arm/lib/memcpymove.h
|
||
|
+++ b/arch/arm/lib/memcpymove.h
|
||
|
@@ -280,6 +280,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBI
|
||
|
199:
|
||
|
pop {DAT3, DAT4, DAT5, DAT6, DAT7}
|
||
|
pop {D, DAT1, DAT2, pc}
|
||
|
+ UNWIND( .fnend )
|
||
|
.endm
|
||
|
|
||
|
.macro memcpy_medium_inner_loop backwards, align
|
||
|
@@ -358,19 +359,13 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBI
|
||
|
LAST .req ip
|
||
|
OFF .req lr
|
||
|
|
||
|
- .cfi_startproc
|
||
|
+ UNWIND( .fnstart )
|
||
|
|
||
|
push {D, DAT1, DAT2, lr}
|
||
|
+ UNWIND( .fnend )
|
||
|
|
||
|
- .cfi_def_cfa_offset 16
|
||
|
- .cfi_rel_offset D, 0
|
||
|
- .cfi_undefined S
|
||
|
- .cfi_undefined N
|
||
|
- .cfi_undefined DAT0
|
||
|
- .cfi_rel_offset DAT1, 4
|
||
|
- .cfi_rel_offset DAT2, 8
|
||
|
- .cfi_undefined LAST
|
||
|
- .cfi_rel_offset lr, 12
|
||
|
+ UNWIND( .fnstart )
|
||
|
+ UNWIND( .save {D, DAT1, DAT2, lr} )
|
||
|
|
||
|
.if backwards
|
||
|
add D, D, N
|
||
|
@@ -386,17 +381,11 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBI
|
||
|
|
||
|
/* Long case */
|
||
|
push {DAT3, DAT4, DAT5, DAT6, DAT7}
|
||
|
+ UNWIND( .fnend )
|
||
|
|
||
|
- .cfi_def_cfa_offset 36
|
||
|
- .cfi_rel_offset D, 20
|
||
|
- .cfi_rel_offset DAT1, 24
|
||
|
- .cfi_rel_offset DAT2, 28
|
||
|
- .cfi_rel_offset DAT3, 0
|
||
|
- .cfi_rel_offset DAT4, 4
|
||
|
- .cfi_rel_offset DAT5, 8
|
||
|
- .cfi_rel_offset DAT6, 12
|
||
|
- .cfi_rel_offset DAT7, 16
|
||
|
- .cfi_rel_offset lr, 32
|
||
|
+ UNWIND( .fnstart )
|
||
|
+ UNWIND( .save {D, DAT1, DAT2, lr} )
|
||
|
+ UNWIND( .save {DAT3, DAT4, DAT5, DAT6, DAT7} )
|
||
|
|
||
|
/* Adjust N so that the decrement instruction can also test for
|
||
|
* inner loop termination. We want it to stop when there are
|
||
|
@@ -436,16 +425,10 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBI
|
||
|
156: memcpy_long_inner_loop backwards, 2
|
||
|
157: memcpy_long_inner_loop backwards, 3
|
||
|
|
||
|
- .cfi_def_cfa_offset 16
|
||
|
- .cfi_rel_offset D, 0
|
||
|
- .cfi_rel_offset DAT1, 4
|
||
|
- .cfi_rel_offset DAT2, 8
|
||
|
- .cfi_same_value DAT3
|
||
|
- .cfi_same_value DAT4
|
||
|
- .cfi_same_value DAT5
|
||
|
- .cfi_same_value DAT6
|
||
|
- .cfi_same_value DAT7
|
||
|
- .cfi_rel_offset lr, 12
|
||
|
+ UNWIND( .fnend )
|
||
|
+
|
||
|
+ UNWIND( .fnstart )
|
||
|
+ UNWIND( .save {D, DAT1, DAT2, lr} )
|
||
|
|
||
|
160: /* Medium case */
|
||
|
preload_all backwards, 0, 0, S, N, DAT2, OFF
|
||
|
@@ -488,7 +471,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBI
|
||
|
memcpy_short_inner_loop backwards, 0
|
||
|
140: memcpy_short_inner_loop backwards, 1
|
||
|
|
||
|
- .cfi_endproc
|
||
|
+ UNWIND( .fnend )
|
||
|
|
||
|
.unreq D
|
||
|
.unreq S
|
||
|
--- a/arch/arm/lib/memmove_rpi.S
|
||
|
+++ b/arch/arm/lib/memmove_rpi.S
|
||
|
@@ -27,6 +27,8 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBI
|
||
|
*/
|
||
|
|
||
|
#include <linux/linkage.h>
|
||
|
+#include <asm/assembler.h>
|
||
|
+#include <asm/unwind.h>
|
||
|
#include "arm-mem.h"
|
||
|
#include "memcpymove.h"
|
||
|
|