尝试在linux x86_64上使用ndk交叉编译eBPF程序，以及混合go程序...

Makefile

.PHONY: all
all: ebpf assets build
	@echo $(shell date)

.ONESHELL:
SHELL = /bin/bash
# export PATH=/home/kali/Desktop/android-ndk-r25b/toolchains/llvm/prebuilt/linux-x86_64/bin:$PATH
# export PATH=/home/kali/Desktop/android-ndk-r23c/toolchains/llvm/prebuilt/linux-x86_64/bin:$PATH

GOARCH = arm64
GOOS = android
# CGO_ENABLED = 1
# NDK_ROOT = /home/kali/Desktop/android-ndk-r25b
CMD_CLANG = aarch64-linux-android29-clang

CMD_GO ?= go
CMD_LLC ?= llc-13
CMD_AWK ?= awk
CMD_SED ?= sed
CMD_TR ?= tr
CMD_CUT ?= cut
CMD_TOUCH ?= touch
CMD_RM ?= rm

.check_%:
#
	@command -v $* >/dev/null
	if [ $$? -ne 0 ]; then
		echo "edemo Makefile: missing required tool $*"
		exit 1
	else
		touch $@ # avoid target rebuilds due to inexistent file
	fi

UNAME_M := $(shell uname -m)
UNAME_R := $(shell uname -r)

ARCH = arm64
LINUX_ARCH = arm64
GO_ARCH = arm64
BPFHEADER = -I ./kern \
			-I ./kern/bpf/arm64

KERN_BUILD_PATH ?= /home/kali/Desktop/ebpf/kheaders
KERN_SRC_PATH ?= /home/kali/Desktop/ebpf/kheaders

#
# tools version
#

CLANG_VERSION = 14

#  clang 编译器版本检测，llvm检测，
.checkver_$(CMD_CLANG): \
	| .check_$(CMD_CLANG)
#
	@echo $(shell date)
	@if [ ${CLANG_VERSION} -lt 12 ]; then
		echo -n "you MUST use clang 12 or newer, "
		echo "your current clang version is ${CLANG_VERSION}"
		exit 1
	fi
	$(CMD_TOUCH) $@ # avoid target rebuilds over and over due to inexistent file

GO_VERSION = $(shell $(CMD_GO) version 2>/dev/null | $(CMD_AWK) '{print $$3}' | $(CMD_SED) 's:go::g' | $(CMD_CUT) -d. -f1,2)
GO_VERSION_MAJ = $(shell echo $(GO_VERSION) | $(CMD_CUT) -d'.' -f1)
GO_VERSION_MIN = $(shell echo $(GO_VERSION) | $(CMD_CUT) -d'.' -f2)


# golang 版本检测  1.17 以上
.checkver_$(CMD_GO): \
	| .check_$(CMD_GO)
#
	@if [ ${GO_VERSION_MAJ} -eq 1 ]; then
		if [ ${GO_VERSION_MIN} -lt 17 ]; then
			echo -n "you MUST use golang 1.17 or newer, "
			echo "your current golang version is ${GO_VERSION}"
			exit 1
		fi
	fi
	touch $@

KERN_SOURCES = kern/open.c
KERN_OBJECTS = ${KERN_SOURCES:.c=.o}


.PHONY: clean assets build ebpf

.PHONY: clean
clean:
	$(CMD_RM) -f user/bytecode/*.d
	$(CMD_RM) -f user/bytecode/*.o
	$(CMD_RM) -f assets/ebpf_probe.go
	$(CMD_RM) -f bin/edemo
	$(CMD_RM) -f .check*

.PHONY: ebpf
ebpf: ${KERN_OBJECTS}

.PHONY: $(KERN_OBJECTS)
$(KERN_OBJECTS): .checkver_$(CMD_CLANG) \
	.checkver_$(CMD_GO)
	$(CMD_CLANG) \
		--target=bpf \
		$(BPFHEADER) \
		-I $(KERN_SRC_PATH)/arch/$(LINUX_ARCH)/include \
		-I $(KERN_SRC_PATH)/arch/$(LINUX_ARCH)/include/uapi \
		-I $(KERN_BUILD_PATH)/arch/$(LINUX_ARCH)/include/generated \
		-I $(KERN_BUILD_PATH)/arch/$(LINUX_ARCH)/include/generated/uapi \
		-I $(KERN_BUILD_PATH)/include \
		-I $(KERN_SRC_PATH)/include/uapi \
		-I $(KERN_BUILD_PATH)/include/generated \
		-I $(KERN_BUILD_PATH)/include/generated/uapi \
		-O1 -emit-llvm -S \
		-D__BPF_TRACING__ \
		-D__KERNEL__ \
		-c -o user/bytecode/open.o kern/open.c

.PHONY: assets
assets: \
	.checkver_$(CMD_GO)
#
	$(CMD_GO) run github.com/shuLhan/go-bindata/cmd/go-bindata -pkg assets -o "assets/ebpf_probe.go" $(wildcard ./user/bytecode/*.o)


.PHONY: build
build: \
	.checkver_$(CMD_GO)
#
	GOARCH=arm64 GOOS=android CGO_ENABLED=1 CC=aarch64-linux-android29-clang $(CMD_GO) build -ldflags "-w -s" -o bin/edemo .

搜到的信息不多，上面的报错判断是交叉编译导致的问题

可能需要使用cmake把android.toolchain.cmake这种给加上？

或者按照之前的文章用AOSP的文件头

• 为Android平台编译eBPF程序
• eBPF on Android之TRACEPOINT Hello Wold