mirror of
https://github.com/caiwx86/small-packages.git
synced 2026-07-27 17:01:53 +08:00
122 lines
3.1 KiB
Makefile
122 lines
3.1 KiB
Makefile
#
|
|
# Copyright (C) 2015-2024 OpenWrt.org
|
|
#
|
|
# This is free software, licensed under the GNU General Public License v3.
|
|
#
|
|
|
|
include $(TOPDIR)/rules.mk
|
|
include $(INCLUDE_DIR)/kernel.mk
|
|
|
|
PKG_NAME:=vmlinux-btf
|
|
PKG_VERSION:=$(LINUX_VERSION)
|
|
PKG_RELEASE:=6
|
|
|
|
include $(INCLUDE_DIR)/package.mk
|
|
|
|
PKG_BUILD_PARALLEL:=1
|
|
|
|
define Package/vmlinux-btf
|
|
SECTION:=kernel
|
|
CATEGORY:=Kernel
|
|
TITLE:=Kernel vmlinux.btf for CO-RE compatibility
|
|
endef
|
|
|
|
define Package/vmlinux-btf/description
|
|
Supplies kernel BTF information to ensure CO-RE eBPF compatibility.
|
|
This package builds a shadow kernel tree using the OpenWrt kernel source,
|
|
applies the same patches/files, and generates detached BTF information
|
|
without modifying the main kernel build directory.
|
|
endef
|
|
|
|
define Package/vmlinux-btf/postinst
|
|
#!/bin/sh
|
|
if [ -z "$${IPKG_INSTROOT}" ]; then
|
|
ln -sf /usr/lib/debug/boot/vmlinux /usr/lib/debug/boot/vmlinux-$$(uname -r)
|
|
fi
|
|
endef
|
|
|
|
define Package/vmlinux-btf/prerm
|
|
#!/bin/sh
|
|
if [ -z "$${IPKG_INSTROOT}" ]; then
|
|
rm -f /usr/lib/debug/boot/vmlinux-$$(uname -r)
|
|
fi
|
|
endef
|
|
|
|
PAHOLE_JOBS := $(if $(filter -j%,$(PKG_JOBS)),$(patsubst -j%,%,$(filter -j%,$(PKG_JOBS))),1)
|
|
|
|
define Build/Prepare
|
|
mkdir -p $(PKG_BUILD_DIR)
|
|
|
|
$(TAR) -C $(PKG_BUILD_DIR) -xf $(DL_DIR)/$(LINUX_SOURCE)
|
|
mv $(PKG_BUILD_DIR)/linux-$(LINUX_VERSION) $(PKG_BUILD_DIR)/shadow-kernel
|
|
|
|
cp $(LINUX_DIR)/.config $(PKG_BUILD_DIR)/shadow-kernel/.config
|
|
endef
|
|
|
|
define Build/Compile
|
|
$(PKG_BUILD_DIR)/shadow-kernel/scripts/config \
|
|
--file $(PKG_BUILD_DIR)/shadow-kernel/.config \
|
|
--disable WERROR \
|
|
--enable CGROUPS \
|
|
--enable CGROUP_BPF \
|
|
--enable SOCK_CGROUP_DATA \
|
|
--enable KALLSYMS \
|
|
--enable PERF_EVENTS \
|
|
--enable TRACEPOINTS \
|
|
--enable KPROBES \
|
|
--enable UPROBES \
|
|
--enable BPF \
|
|
--enable BPF_SYSCALL \
|
|
--enable BPF_JIT \
|
|
--enable BPF_JIT_DEFAULT_ON \
|
|
--enable INET \
|
|
--enable NET_INGRESS \
|
|
--enable NET_EGRESS \
|
|
--enable BPF_STREAM_PARSER \
|
|
--enable XDP_SOCKETS \
|
|
--enable NET_SCHED \
|
|
--enable NET_SCH_INGRESS \
|
|
--enable NET_CLS \
|
|
--enable NET_CLS_ACT \
|
|
--enable KPROBE_EVENTS \
|
|
--enable UPROBE_EVENTS \
|
|
--enable BPF_EVENTS \
|
|
--enable DEBUG_KERNEL \
|
|
--enable DEBUG_INFO \
|
|
--disable DEBUG_INFO_NONE \
|
|
--enable DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT \
|
|
--disable DEBUG_INFO_REDUCED \
|
|
--disable DEBUG_INFO_SPLIT \
|
|
--enable DEBUG_INFO_BTF \
|
|
--set-str EXTRA_FIRMWARE "" \
|
|
--set-str INITRAMFS_SOURCE ""
|
|
|
|
$(MAKE) -C $(PKG_BUILD_DIR)/shadow-kernel \
|
|
$(KERNEL_MAKE_FLAGS) \
|
|
KBUILD_HOSTLDFLAGS="$(KBUILD_HOSTLDFLAGS) -lz" \
|
|
olddefconfig
|
|
|
|
$(MAKE) -C $(PKG_BUILD_DIR)/shadow-kernel \
|
|
$(KERNEL_MAKE_FLAGS) \
|
|
$(PKG_JOBS) \
|
|
KBUILD_HOSTLDFLAGS="-L$(STAGING_DIR_HOST)/lib -lz" \
|
|
vmlinux
|
|
|
|
pahole \
|
|
--jobs=$(PAHOLE_JOBS) \
|
|
--btf_encode_detached=$(PKG_BUILD_DIR)/vmlinux-btf \
|
|
$(PKG_BUILD_DIR)/shadow-kernel/vmlinux
|
|
endef
|
|
|
|
define Build/Clean
|
|
rm -rf $(PKG_BUILD_DIR)
|
|
endef
|
|
|
|
define Package/vmlinux-btf/install
|
|
$(INSTALL_DIR) $(1)/usr/lib/debug/boot
|
|
$(INSTALL_DATA) $(PKG_BUILD_DIR)/vmlinux-btf $(1)/usr/lib/debug/boot/vmlinux
|
|
$(LN) vmlinux $(1)/usr/lib/debug/boot/vmlinux-$(LINUX_VERSION)
|
|
endef
|
|
|
|
$(eval $(call BuildPackage,vmlinux-btf))
|