[oe-commits] [openembedded-core] 04/11: linux-libc-headers: update to v4.19

git at git.openembedded.org git at git.openembedded.org
Mon Jan 7 15:24:34 UTC 2019 

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rpurdie pushed a commit to branch master-next
in repository openembedded-core.

commit 29fbebfbce68c5becbc2241c54d90a70d210206b
Author: Bruce Ashfield <bruce.ashfield at windriver.com>
AuthorDate: Mon Jan 7 09:33:46 2019 -0500

    linux-libc-headers: update to v4.19
    
    Updating the linux-libc-headers to match the latest reference
    kernel in oe-core.
    
    We addtionally add three patches (identified by Khem) to fix muslc
    aarch64 build issues.
    
    Signed-off-by: Bruce Ashfield <bruce.ashfield at windriver.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 meta/conf/distro/include/tcmode-default.inc        |   2 +-
 ...all_headers.sh-Strip-_UAPI-from-if-define.patch |  39 +++
 ...-ptrace-Fix-SVE_PT_REGS_OFFSET-definition.patch |  41 +++
 ...isentangle-uapi-asm-ptrace.h-from-uapi-as.patch | 287 +++++++++++++++++++++
 ...-headers_4.18.bb => linux-libc-headers_4.19.bb} |   7 +-
 meta/recipes-kernel/linux-libc-headers/x.mbox      | 174 +++++++++++++
 6 files changed, 547 insertions(+), 3 deletions(-)

diff --git a/meta/conf/distro/include/tcmode-default.inc b/meta/conf/distro/include/tcmode-default.inc
index 8c99907..812b923 100644
--- a/meta/conf/distro/include/tcmode-default.inc
+++ b/meta/conf/distro/include/tcmode-default.inc
@@ -23,7 +23,7 @@ SDKGCCVERSION ?= "${GCCVERSION}"
 BINUVERSION ?= "2.31%"
 GDBVERSION ?= "8.2%"
 GLIBCVERSION ?= "2.28%"
-LINUXLIBCVERSION ?= "4.18%"
+LINUXLIBCVERSION ?= "4.19%"
 QEMUVERSION ?= "3.1%"
 GOVERSION ?= "1.11%"
 
diff --git a/meta/recipes-kernel/linux-libc-headers/linux-libc-headers/0001-kbuild-install_headers.sh-Strip-_UAPI-from-if-define.patch b/meta/recipes-kernel/linux-libc-headers/linux-libc-headers/0001-kbuild-install_headers.sh-Strip-_UAPI-from-if-define.patch
new file mode 100644
index 0000000..68ffb86
--- /dev/null
+++ b/meta/recipes-kernel/linux-libc-headers/linux-libc-headers/0001-kbuild-install_headers.sh-Strip-_UAPI-from-if-define.patch
@@ -0,0 +1,39 @@
+From 9ca6c6a510bda90954aa2532711200b89dd1df89 Mon Sep 17 00:00:00 2001
+From: Dave Martin <Dave.Martin at arm.com>
+Date: Tue, 11 Dec 2018 19:26:45 +0000
+Subject: [PATCH 1/3] kbuild: install_headers.sh: Strip _UAPI from
+ #if-defined() guards
+
+install_headers.sh knows how to strip the _UAPI prefix from #ifdef/
+ifndef and #define directives used to guard headers against multiple
+or inappropriate inclusion.  Currently this does not work for guards
+in the "#if defined()" style, which may be needed for non-trivial
+cases.
+
+This patch adds similar logic so that the _UAPI prefix is also
+stripped from guard directives written using "#if defined()" etc.
+
+This is not completely foolproof, but will work for simple cases of
+using #if defined() to guard against inappropriate header inclusion.
+
+Signed-off-by: Dave Martin <Dave.Martin at arm.com>
+Signed-off-by: Bruce Ashfield <bruce.ashfield at windriver.com>
+---
+ scripts/headers_install.sh | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh
+index 593f8879c641..fe1d3fc0d33a 100755
+--- a/scripts/headers_install.sh
++++ b/scripts/headers_install.sh
+@@ -38,6 +38,7 @@ do
+ 		-e 's/(^|[^a-zA-Z0-9])__packed([^a-zA-Z0-9_]|$)/\1__attribute__((packed))\2/g' \
+ 		-e 's/(^|[[:space:](])(inline|asm|volatile)([[:space:](]|$)/\1__\2__\3/g' \
+ 		-e 's@#(ifndef|define|endif[[:space:]]*/[*])[[:space:]]*_UAPI@#\1 @' \
++		-e ':1;s/(#(if|elif)(.*[^A-Za-z0-9_])defined\([[:space:]]*)_UAPI/\1/;t1' \
+ 		"$SRCDIR/$i" > "$OUTDIR/$FILE.sed" || exit 1
+ 	scripts/unifdef -U__KERNEL__ -D__EXPORTED_HEADERS__ "$OUTDIR/$FILE.sed" \
+ 		> "$OUTDIR/$FILE"
+-- 
+2.5.0
+
diff --git a/meta/recipes-kernel/linux-libc-headers/linux-libc-headers/0002-arm64-sve-ptrace-Fix-SVE_PT_REGS_OFFSET-definition.patch b/meta/recipes-kernel/linux-libc-headers/linux-libc-headers/0002-arm64-sve-ptrace-Fix-SVE_PT_REGS_OFFSET-definition.patch
new file mode 100644
index 0000000..1f3ec07
--- /dev/null
+++ b/meta/recipes-kernel/linux-libc-headers/linux-libc-headers/0002-arm64-sve-ptrace-Fix-SVE_PT_REGS_OFFSET-definition.patch
@@ -0,0 +1,41 @@
+From 0dede80d25ae2005f8af7235809fc09a7c47c62e Mon Sep 17 00:00:00 2001
+From: Dave Martin <Dave.Martin at arm.com>
+Date: Tue, 11 Dec 2018 19:26:46 +0000
+Subject: [PATCH 2/3] arm64/sve: ptrace: Fix SVE_PT_REGS_OFFSET definition
+
+SVE_PT_REGS_OFFSET is supposed to indicate the offset for skipping
+over the ptrace NT_ARM_SVE header (struct user_sve_header) to the
+start of the SVE register data proper.
+
+However, currently SVE_PT_REGS_OFFSET is defined in terms of struct
+sve_context, which is wrong: that structure describes the SVE
+header in the signal frame, not in the ptrace regset.
+
+This patch fixes the definition to use the ptrace header structure
+struct user_sve_header instead.
+
+By good fortune, the to structures are the same size anyway, so
+there is no functional or ABI change.
+
+Signed-off-by: Dave Martin <Dave.Martin at arm.com>
+Signed-off-by: Bruce Ashfield <bruce.ashfield at windriver.com>
+---
+ arch/arm64/include/uapi/asm/ptrace.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/arch/arm64/include/uapi/asm/ptrace.h b/arch/arm64/include/uapi/asm/ptrace.h
+index 98c4ce55d9c3..ad64d2c92ef5 100644
+--- a/arch/arm64/include/uapi/asm/ptrace.h
++++ b/arch/arm64/include/uapi/asm/ptrace.h
+@@ -130,7 +130,7 @@ struct user_sve_header {
+ 
+ /* Offset from the start of struct user_sve_header to the register data */
+ #define SVE_PT_REGS_OFFSET					\
+-	((sizeof(struct sve_context) + (SVE_VQ_BYTES - 1))	\
++	((sizeof(struct user_sve_header) + (SVE_VQ_BYTES - 1))	\
+ 		/ SVE_VQ_BYTES * SVE_VQ_BYTES)
+ 
+ /*
+-- 
+2.5.0
+
diff --git a/meta/recipes-kernel/linux-libc-headers/linux-libc-headers/0003-arm64-sve-Disentangle-uapi-asm-ptrace.h-from-uapi-as.patch b/meta/recipes-kernel/linux-libc-headers/linux-libc-headers/0003-arm64-sve-Disentangle-uapi-asm-ptrace.h-from-uapi-as.patch
new file mode 100644
index 0000000..c7a3ce3
--- /dev/null
+++ b/meta/recipes-kernel/linux-libc-headers/linux-libc-headers/0003-arm64-sve-Disentangle-uapi-asm-ptrace.h-from-uapi-as.patch
@@ -0,0 +1,287 @@
+From 1114697c04b9699112e78dd8fc6ec849609ca1cb Mon Sep 17 00:00:00 2001
+From: Dave Martin <Dave.Martin at arm.com>
+Date: Tue, 11 Dec 2018 19:26:47 +0000
+Subject: [PATCH 3/3] arm64/sve: Disentangle <uapi/asm/ptrace.h> from
+ <uapi/asm/sigcontext.h>
+
+Currently, <uapi/asm/sigcontext.h> provides common definitions for
+describing SVE context structures that are also used by the ptrace
+definitions in <uapi/asm/ptrace.h>.
+
+For this reason, a #include of <asm/sigcontext.h> was added in
+ptrace.h, but it this turns out that this can interact badly with
+userspace code that tries to include ptrace.h on top of the libc
+headers (which may provide their own shadow definitions for
+sigcontext.h).
+
+To make the headers easier for userspace to consume, this patch
+bounces the common definitions into an __SVE_* namespace and moves
+them to a backend header <uapi/asm/sve_context.h> that can be
+included by the other headers as appropriate.  This should allow
+ptrace.h to be used alongside libc's sigcontext.h (if any) without
+ill effects.
+
+This should make the situation unambiguous: <asm/sigcontext.h> is
+the header to include for the sigframe-specific definitions, while
+<asm/ptrace.h> is the header to include for ptrace-specific
+definitions.
+
+To avoid conflicting with existing usage, <asm/sigcontext.h>
+remains the canonical way to get the common definitions for
+SVE_VQ_MIN, sve_vq_from_vl() etc., both in userspace and in the
+kernel: relying on these being defined as a side effect of
+including just <asm/ptrace.h> was never intended to be safe.
+
+Signed-off-by: Dave Martin <Dave.Martin at arm.com>
+Signed-off-by: Bruce Ashfield <bruce.ashfield at windriver.com>
+---
+ arch/arm64/include/uapi/asm/ptrace.h      | 39 ++++++++++-----------
+ arch/arm64/include/uapi/asm/sigcontext.h  | 56 +++++++++++++++----------------
+ arch/arm64/include/uapi/asm/sve_context.h | 50 +++++++++++++++++++++++++++
+ 3 files changed, 96 insertions(+), 49 deletions(-)
+ create mode 100644 arch/arm64/include/uapi/asm/sve_context.h
+
+diff --git a/arch/arm64/include/uapi/asm/ptrace.h b/arch/arm64/include/uapi/asm/ptrace.h
+index ad64d2c92ef5..81547c3a95a3 100644
+--- a/arch/arm64/include/uapi/asm/ptrace.h
++++ b/arch/arm64/include/uapi/asm/ptrace.h
+@@ -23,7 +23,7 @@
+ #include <linux/types.h>
+ 
+ #include <asm/hwcap.h>
+-#include <asm/sigcontext.h>
++#include <asm/sve_context.h>
+ 
+ 
+ /*
+@@ -129,9 +129,9 @@ struct user_sve_header {
+  */
+ 
+ /* Offset from the start of struct user_sve_header to the register data */
+-#define SVE_PT_REGS_OFFSET					\
+-	((sizeof(struct user_sve_header) + (SVE_VQ_BYTES - 1))	\
+-		/ SVE_VQ_BYTES * SVE_VQ_BYTES)
++#define SVE_PT_REGS_OFFSET						\
++	((sizeof(struct user_sve_header) + (__SVE_VQ_BYTES - 1))	\
++		/ __SVE_VQ_BYTES * __SVE_VQ_BYTES)
+ 
+ /*
+  * The register data content and layout depends on the value of the
+@@ -177,39 +177,36 @@ struct user_sve_header {
+  * Additional data might be appended in the future.
+  */
+ 
+-#define SVE_PT_SVE_ZREG_SIZE(vq)	SVE_SIG_ZREG_SIZE(vq)
+-#define SVE_PT_SVE_PREG_SIZE(vq)	SVE_SIG_PREG_SIZE(vq)
+-#define SVE_PT_SVE_FFR_SIZE(vq)		SVE_SIG_FFR_SIZE(vq)
++#define SVE_PT_SVE_ZREG_SIZE(vq)	__SVE_ZREG_SIZE(vq)
++#define SVE_PT_SVE_PREG_SIZE(vq)	__SVE_PREG_SIZE(vq)
++#define SVE_PT_SVE_FFR_SIZE(vq)		__SVE_FFR_SIZE(vq)
+ #define SVE_PT_SVE_FPSR_SIZE		sizeof(__u32)
+ #define SVE_PT_SVE_FPCR_SIZE		sizeof(__u32)
+ 
+-#define __SVE_SIG_TO_PT(offset) \
+-	((offset) - SVE_SIG_REGS_OFFSET + SVE_PT_REGS_OFFSET)
+-
+ #define SVE_PT_SVE_OFFSET		SVE_PT_REGS_OFFSET
+ 
+ #define SVE_PT_SVE_ZREGS_OFFSET \
+-	__SVE_SIG_TO_PT(SVE_SIG_ZREGS_OFFSET)
++	(SVE_PT_REGS_OFFSET + __SVE_ZREGS_OFFSET)
+ #define SVE_PT_SVE_ZREG_OFFSET(vq, n) \
+-	__SVE_SIG_TO_PT(SVE_SIG_ZREG_OFFSET(vq, n))
++	(SVE_PT_REGS_OFFSET + __SVE_ZREG_OFFSET(vq, n))
+ #define SVE_PT_SVE_ZREGS_SIZE(vq) \
+-	(SVE_PT_SVE_ZREG_OFFSET(vq, SVE_NUM_ZREGS) - SVE_PT_SVE_ZREGS_OFFSET)
++	(SVE_PT_SVE_ZREG_OFFSET(vq, __SVE_NUM_ZREGS) - SVE_PT_SVE_ZREGS_OFFSET)
+ 
+ #define SVE_PT_SVE_PREGS_OFFSET(vq) \
+-	__SVE_SIG_TO_PT(SVE_SIG_PREGS_OFFSET(vq))
++	(SVE_PT_REGS_OFFSET + __SVE_PREGS_OFFSET(vq))
+ #define SVE_PT_SVE_PREG_OFFSET(vq, n) \
+-	__SVE_SIG_TO_PT(SVE_SIG_PREG_OFFSET(vq, n))
++	(SVE_PT_REGS_OFFSET + __SVE_PREG_OFFSET(vq, n))
+ #define SVE_PT_SVE_PREGS_SIZE(vq) \
+-	(SVE_PT_SVE_PREG_OFFSET(vq, SVE_NUM_PREGS) - \
++	(SVE_PT_SVE_PREG_OFFSET(vq, __SVE_NUM_PREGS) - \
+ 		SVE_PT_SVE_PREGS_OFFSET(vq))
+ 
+ #define SVE_PT_SVE_FFR_OFFSET(vq) \
+-	__SVE_SIG_TO_PT(SVE_SIG_FFR_OFFSET(vq))
++	(SVE_PT_REGS_OFFSET + __SVE_FFR_OFFSET(vq))
+ 
+ #define SVE_PT_SVE_FPSR_OFFSET(vq)				\
+ 	((SVE_PT_SVE_FFR_OFFSET(vq) + SVE_PT_SVE_FFR_SIZE(vq) +	\
+-			(SVE_VQ_BYTES - 1))			\
+-		/ SVE_VQ_BYTES * SVE_VQ_BYTES)
++			(__SVE_VQ_BYTES - 1))			\
++		/ __SVE_VQ_BYTES * __SVE_VQ_BYTES)
+ #define SVE_PT_SVE_FPCR_OFFSET(vq) \
+ 	(SVE_PT_SVE_FPSR_OFFSET(vq) + SVE_PT_SVE_FPSR_SIZE)
+ 
+@@ -220,8 +217,8 @@ struct user_sve_header {
+ 
+ #define SVE_PT_SVE_SIZE(vq, flags)					\
+ 	((SVE_PT_SVE_FPCR_OFFSET(vq) + SVE_PT_SVE_FPCR_SIZE		\
+-			- SVE_PT_SVE_OFFSET + (SVE_VQ_BYTES - 1))	\
+-		/ SVE_VQ_BYTES * SVE_VQ_BYTES)
++			- SVE_PT_SVE_OFFSET + (__SVE_VQ_BYTES - 1))	\
++		/ __SVE_VQ_BYTES * __SVE_VQ_BYTES)
+ 
+ #define SVE_PT_SIZE(vq, flags)						\
+ 	 (((flags) & SVE_PT_REGS_MASK) == SVE_PT_REGS_SVE ?		\
+diff --git a/arch/arm64/include/uapi/asm/sigcontext.h b/arch/arm64/include/uapi/asm/sigcontext.h
+index dca8f8b5168b..5f3c0cec5af9 100644
+--- a/arch/arm64/include/uapi/asm/sigcontext.h
++++ b/arch/arm64/include/uapi/asm/sigcontext.h
+@@ -130,6 +130,8 @@ struct sve_context {
+ 
+ #endif /* !__ASSEMBLY__ */
+ 
++#include <asm/sve_context.h>
++
+ /*
+  * The SVE architecture leaves space for future expansion of the
+  * vector length beyond its initial architectural limit of 2048 bits
+@@ -138,21 +140,20 @@ struct sve_context {
+  * See linux/Documentation/arm64/sve.txt for a description of the VL/VQ
+  * terminology.
+  */
+-#define SVE_VQ_BYTES		16	/* number of bytes per quadword */
++#define SVE_VQ_BYTES		__SVE_VQ_BYTES	/* bytes per quadword */
+ 
+-#define SVE_VQ_MIN		1
+-#define SVE_VQ_MAX		512
++#define SVE_VQ_MIN		__SVE_VQ_MIN
++#define SVE_VQ_MAX		__SVE_VQ_MAX
+ 
+-#define SVE_VL_MIN		(SVE_VQ_MIN * SVE_VQ_BYTES)
+-#define SVE_VL_MAX		(SVE_VQ_MAX * SVE_VQ_BYTES)
++#define SVE_VL_MIN		__SVE_VL_MIN
++#define SVE_VL_MAX		__SVE_VL_MAX
+ 
+-#define SVE_NUM_ZREGS		32
+-#define SVE_NUM_PREGS		16
++#define SVE_NUM_ZREGS		__SVE_NUM_ZREGS
++#define SVE_NUM_PREGS		__SVE_NUM_PREGS
+ 
+-#define sve_vl_valid(vl) \
+-	((vl) % SVE_VQ_BYTES == 0 && (vl) >= SVE_VL_MIN && (vl) <= SVE_VL_MAX)
+-#define sve_vq_from_vl(vl)	((vl) / SVE_VQ_BYTES)
+-#define sve_vl_from_vq(vq)	((vq) * SVE_VQ_BYTES)
++#define sve_vl_valid(vl)	__sve_vl_valid(vl)
++#define sve_vq_from_vl(vl)	__sve_vq_from_vl(vl)
++#define sve_vl_from_vq(vq)	__sve_vl_from_vq(vq)
+ 
+ /*
+  * If the SVE registers are currently live for the thread at signal delivery,
+@@ -205,34 +206,33 @@ struct sve_context {
+  * Additional data might be appended in the future.
+  */
+ 
+-#define SVE_SIG_ZREG_SIZE(vq)	((__u32)(vq) * SVE_VQ_BYTES)
+-#define SVE_SIG_PREG_SIZE(vq)	((__u32)(vq) * (SVE_VQ_BYTES / 8))
+-#define SVE_SIG_FFR_SIZE(vq)	SVE_SIG_PREG_SIZE(vq)
++#define SVE_SIG_ZREG_SIZE(vq)	__SVE_ZREG_SIZE(vq)
++#define SVE_SIG_PREG_SIZE(vq)	__SVE_PREG_SIZE(vq)
++#define SVE_SIG_FFR_SIZE(vq)	__SVE_FFR_SIZE(vq)
+ 
+ #define SVE_SIG_REGS_OFFSET					\
+-	((sizeof(struct sve_context) + (SVE_VQ_BYTES - 1))	\
+-		/ SVE_VQ_BYTES * SVE_VQ_BYTES)
++	((sizeof(struct sve_context) + (__SVE_VQ_BYTES - 1))	\
++		/ __SVE_VQ_BYTES * __SVE_VQ_BYTES)
+ 
+-#define SVE_SIG_ZREGS_OFFSET	SVE_SIG_REGS_OFFSET
++#define SVE_SIG_ZREGS_OFFSET \
++		(SVE_SIG_REGS_OFFSET + __SVE_ZREGS_OFFSET)
+ #define SVE_SIG_ZREG_OFFSET(vq, n) \
+-	(SVE_SIG_ZREGS_OFFSET + SVE_SIG_ZREG_SIZE(vq) * (n))
+-#define SVE_SIG_ZREGS_SIZE(vq) \
+-	(SVE_SIG_ZREG_OFFSET(vq, SVE_NUM_ZREGS) - SVE_SIG_ZREGS_OFFSET)
++		(SVE_SIG_REGS_OFFSET + __SVE_ZREG_OFFSET(vq, n))
++#define SVE_SIG_ZREGS_SIZE(vq) __SVE_ZREGS_SIZE(vq)
+ 
+ #define SVE_SIG_PREGS_OFFSET(vq) \
+-	(SVE_SIG_ZREGS_OFFSET + SVE_SIG_ZREGS_SIZE(vq))
++		(SVE_SIG_REGS_OFFSET + __SVE_PREGS_OFFSET(vq))
+ #define SVE_SIG_PREG_OFFSET(vq, n) \
+-	(SVE_SIG_PREGS_OFFSET(vq) + SVE_SIG_PREG_SIZE(vq) * (n))
+-#define SVE_SIG_PREGS_SIZE(vq) \
+-	(SVE_SIG_PREG_OFFSET(vq, SVE_NUM_PREGS) - SVE_SIG_PREGS_OFFSET(vq))
++		(SVE_SIG_REGS_OFFSET + __SVE_PREG_OFFSET(vq, n))
++#define SVE_SIG_PREGS_SIZE(vq) __SVE_PREGS_SIZE(vq)
+ 
+ #define SVE_SIG_FFR_OFFSET(vq) \
+-	(SVE_SIG_PREGS_OFFSET(vq) + SVE_SIG_PREGS_SIZE(vq))
++		(SVE_SIG_REGS_OFFSET + __SVE_FFR_OFFSET(vq))
+ 
+ #define SVE_SIG_REGS_SIZE(vq) \
+-	(SVE_SIG_FFR_OFFSET(vq) + SVE_SIG_FFR_SIZE(vq) - SVE_SIG_REGS_OFFSET)
+-
+-#define SVE_SIG_CONTEXT_SIZE(vq) (SVE_SIG_REGS_OFFSET + SVE_SIG_REGS_SIZE(vq))
++		(__SVE_FFR_OFFSET(vq) + __SVE_FFR_SIZE(vq))
+ 
++#define SVE_SIG_CONTEXT_SIZE(vq) \
++		(SVE_SIG_REGS_OFFSET + SVE_SIG_REGS_SIZE(vq))
+ 
+ #endif /* _UAPI__ASM_SIGCONTEXT_H */
+diff --git a/arch/arm64/include/uapi/asm/sve_context.h b/arch/arm64/include/uapi/asm/sve_context.h
+new file mode 100644
+index 000000000000..140f14c318a5
+--- /dev/null
++++ b/arch/arm64/include/uapi/asm/sve_context.h
+@@ -0,0 +1,50 @@
++/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
++/* Copyright (C) 2017-2018 ARM Limited */
++
++#if !defined(_UAPI__ASM_PTRACE_H) && !defined(_UAPI__ASM_SIGCONTEXT_H)
++#error "Do not include this header or use its definitions directly."
++#endif
++
++#ifndef _UAPI__ASM_SVE_CONTEXT_H
++#define _UAPI__ASM_SVE_CONTEXT_H
++
++#define __SVE_VQ_BYTES		16	/* number of bytes per quadword */
++
++#define __SVE_VQ_MIN		1
++#define __SVE_VQ_MAX		512
++
++#define __SVE_VL_MIN		(__SVE_VQ_MIN * __SVE_VQ_BYTES)
++#define __SVE_VL_MAX		(__SVE_VQ_MAX * __SVE_VQ_BYTES)
++
++#define __SVE_NUM_ZREGS		32
++#define __SVE_NUM_PREGS		16
++
++#define __sve_vl_valid(vl)			\
++	((vl) % __SVE_VQ_BYTES == 0 &&		\
++	 (vl) >= __SVE_VL_MIN &&		\
++	 (vl) <= __SVE_VL_MAX)
++
++#define __sve_vq_from_vl(vl)	((vl) / __SVE_VQ_BYTES)
++#define __sve_vl_from_vq(vq)	((vq) * __SVE_VQ_BYTES)
++
++#define __SVE_ZREG_SIZE(vq)	((__u32)(vq) * __SVE_VQ_BYTES)
++#define __SVE_PREG_SIZE(vq)	((__u32)(vq) * (__SVE_VQ_BYTES / 8))
++#define __SVE_FFR_SIZE(vq)	__SVE_PREG_SIZE(vq)
++
++#define __SVE_ZREGS_OFFSET	0
++#define __SVE_ZREG_OFFSET(vq, n) \
++	(__SVE_ZREGS_OFFSET + __SVE_ZREG_SIZE(vq) * (n))
++#define __SVE_ZREGS_SIZE(vq) \
++	(__SVE_ZREG_OFFSET(vq, __SVE_NUM_ZREGS) - __SVE_ZREGS_OFFSET)
++
++#define __SVE_PREGS_OFFSET(vq) \
++	(__SVE_ZREGS_OFFSET + __SVE_ZREGS_SIZE(vq))
++#define __SVE_PREG_OFFSET(vq, n) \
++	(__SVE_PREGS_OFFSET(vq) + __SVE_PREG_SIZE(vq) * (n))
++#define __SVE_PREGS_SIZE(vq) \
++	(__SVE_PREG_OFFSET(vq, __SVE_NUM_PREGS) - __SVE_PREGS_OFFSET(vq))
++
++#define __SVE_FFR_OFFSET(vq) \
++	(__SVE_PREGS_OFFSET(vq) + __SVE_PREGS_SIZE(vq))
++
++#endif /* ! _UAPI__ASM_SVE_CONTEXT_H */
+-- 
+2.5.0
+
diff --git a/meta/recipes-kernel/linux-libc-headers/linux-libc-headers_4.18.bb b/meta/recipes-kernel/linux-libc-headers/linux-libc-headers_4.19.bb
similarity index 62%
rename from meta/recipes-kernel/linux-libc-headers/linux-libc-headers_4.18.bb
rename to meta/recipes-kernel/linux-libc-headers/linux-libc-headers_4.19.bb
index 229a002..8fd427e 100644
--- a/meta/recipes-kernel/linux-libc-headers/linux-libc-headers_4.18.bb
+++ b/meta/recipes-kernel/linux-libc-headers/linux-libc-headers_4.19.bb
@@ -11,7 +11,10 @@ SRC_URI_append_libc-musl = "\
 
 SRC_URI_append = "\
     file://0001-scripts-Use-fixed-input-and-output-files-instead-of-.patch \
+    file://0001-kbuild-install_headers.sh-Strip-_UAPI-from-if-define.patch \
+    file://0002-arm64-sve-ptrace-Fix-SVE_PT_REGS_OFFSET-definition.patch \
+    file://0003-arm64-sve-Disentangle-uapi-asm-ptrace.h-from-uapi-as.patch \
 "
 
-SRC_URI[md5sum] = "bee5fe53ee1c3142b8f0c12c0d3348f9"
-SRC_URI[sha256sum] = "19d8bcf49ef530cd4e364a45b4a22fa70714b70349c8100e7308488e26f1eaf1"
+SRC_URI[md5sum] = "740a90cf810c2105df8ee12e5d0bb900"
+SRC_URI[sha256sum] = "0c68f5655528aed4f99dae71a5b259edc93239fa899e2df79c055275c21749a1"
diff --git a/meta/recipes-kernel/linux-libc-headers/x.mbox b/meta/recipes-kernel/linux-libc-headers/x.mbox
new file mode 100644
index 0000000..25e76e7
--- /dev/null
+++ b/meta/recipes-kernel/linux-libc-headers/x.mbox
@@ -0,0 +1,174 @@
+From openembedded-core-bounces at lists.openembedded.org Tue Dec 25 20:46:09 2018
+Delivered-To: bruce.ashfield at gmail.com
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+	Tue, 25 Dec 2018 17:45:44 -0800
+From: He Zhe <zhe.he at windriver.com>
+To: openembedded-core at lists.openembedded.org
+Date: Tue, 25 Dec 2018 17:45:44 -0800
+Message-Id: <20181226014544.1991-1-zhe.he at windriver.com>
+X-Mailer: git-send-email 2.11.0
+Cc: bruce.ashfield at windriver.com
+Subject: [OE-core] [PATCH] linux-libc-headers: Fix build failure with fixed
+	input and output files instead of pipe
+X-BeenThere: openembedded-core at lists.openembedded.org
+X-Mailman-Version: 2.1.12
+Precedence: list
+List-Id: Patches and discussions about the oe-core layer
+	<openembedded-core.lists.openembedded.org>
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+Status: RO
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+Content-Length: 4076
+Lines: 94
+
+This is an amendment for
+2322dc4 "linux-libc-headers: Fix build failure by using fixed temporary file instead of pipe"
+which moves just the temporary input file from /tmp to build directory. But the
+build directory may not in the same file system with the output file,
+/dev/null, either and thus make it possible to trigger that bug, 67f846b, in
+binutil v2.31.
+
+This patch puts both the input and output files into build directory for good.
+
+Signed-off-by: He Zhe <zhe.he at windriver.com>
+---
+ ...fixed-input-and-output-files-instead-of-.patch} | 22 ++++++++++------------
+ .../linux-libc-headers/linux-libc-headers_4.18.bb  |  2 +-
+ 2 files changed, 11 insertions(+), 13 deletions(-)
+ rename meta/recipes-kernel/linux-libc-headers/linux-libc-headers/{0001-scripts-Use-fixed-temporary-file-instead-of-pipe-for.patch => 0001-scripts-Use-fixed-input-and-output-files-instead-of-.patch} (83%)
+
+diff --git a/meta/recipes-kernel/linux-libc-headers/linux-libc-headers/0001-scripts-Use-fixed-temporary-file-instead-of-pipe-for.patch b/meta/recipes-kernel/linux-libc-headers/linux-libc-headers/0001-scripts-Use-fixed-input-and-output-files-instead-of-.patch
+similarity index 83%
+rename from meta/recipes-kernel/linux-libc-headers/linux-libc-headers/0001-scripts-Use-fixed-temporary-file-instead-of-pipe-for.patch
+rename to meta/recipes-kernel/linux-libc-headers/linux-libc-headers/0001-scripts-Use-fixed-input-and-output-files-instead-of-.patch
+index 0d8fa80939..9ba1c076e8 100644
+--- a/meta/recipes-kernel/linux-libc-headers/linux-libc-headers/0001-scripts-Use-fixed-temporary-file-instead-of-pipe-for.patch
++++ b/meta/recipes-kernel/linux-libc-headers/linux-libc-headers/0001-scripts-Use-fixed-input-and-output-files-instead-of-.patch
+@@ -1,7 +1,7 @@
+-From 3bbea65e11918f8753e8006a2198b999cdb0af58 Mon Sep 17 00:00:00 2001
++From 694eba7bb974f6b8bd308804cb24350150108b2b Mon Sep 17 00:00:00 2001
+ From: He Zhe <zhe.he at windriver.com>
+ Date: Wed, 21 Nov 2018 15:12:43 +0800
+-Subject: [PATCH] scripts: Use fixed temporary file instead of pipe for
++Subject: [PATCH] scripts: Use fixed input and output files instead of pipe for
+  here-doc
+ 
+ There was a bug of "as" in binutils that when it checks if the input file and
+@@ -40,31 +40,29 @@ Upstream-Status: Inappropriate [A work around for binutils v2.31]
+ 
+ Signed-off-by: He Zhe <zhe.he at windriver.com>
+ ---
+- scripts/gcc-goto.sh | 7 ++++++-
+- 1 file changed, 6 insertions(+), 1 deletion(-)
++ scripts/gcc-goto.sh | 5 ++++-
++ 1 file changed, 4 insertions(+), 1 deletion(-)
+ 
+ diff --git a/scripts/gcc-goto.sh b/scripts/gcc-goto.sh
+-index 083c526..0aaf1b4 100755
++index 083c526..8dfac55 100755
+ --- a/scripts/gcc-goto.sh
+ +++ b/scripts/gcc-goto.sh
+-@@ -3,7 +3,9 @@
++@@ -3,7 +3,7 @@
+  # Test for gcc 'asm goto' support
+  # Copyright (C) 2010, Jason Baron <jbaron at redhat.com>
+  
+ -cat << "END" | $@ -x c - -c -o /dev/null >/dev/null 2>&1 && echo "y"
+-+TMPFILE=`mktemp -p .`
+-+
+-+cat << "END" > ${TMPFILE}
+++cat << "END" > ./input
+  int main(void)
+  {
+  #if defined(__arm__) || defined(__aarch64__)
+-@@ -20,3 +22,6 @@ entry:
++@@ -20,3 +20,6 @@ entry:
+  	return 0;
+  }
+  END
+ +
+-+$@ -x c ${TMPFILE} -c -o /dev/null && echo "y"
+-+rm ${TMPFILE}
+++$@ -x c ./input -c -o ./output && echo "y"
+++rm ./input ./output
+ -- 
+ 2.7.4
+ 
+diff --git a/meta/recipes-kernel/linux-libc-headers/linux-libc-headers_4.18.bb b/meta/recipes-kernel/linux-libc-headers/linux-libc-headers_4.18.bb
+index 00420aa6f7..229a0027d7 100644
+--- a/meta/recipes-kernel/linux-libc-headers/linux-libc-headers_4.18.bb
++++ b/meta/recipes-kernel/linux-libc-headers/linux-libc-headers_4.18.bb
+@@ -10,7 +10,7 @@ SRC_URI_append_libc-musl = "\
+    "
+ 
+ SRC_URI_append = "\
+-    file://0001-scripts-Use-fixed-temporary-file-instead-of-pipe-for.patch \
++    file://0001-scripts-Use-fixed-input-and-output-files-instead-of-.patch \
+ "
+ 
+ SRC_URI[md5sum] = "bee5fe53ee1c3142b8f0c12c0d3348f9"
+-- 
+2.11.0
+
+-- 
+_______________________________________________
+Openembedded-core mailing list
+Openembedded-core at lists.openembedded.org
+http://lists.openembedded.org/mailman/listinfo/openembedded-core
+

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