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Fixed the whole header setup, now correctly using the kernel headers instead of normal development ones. Ready to go on with original plan of file system hooking

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h3xduck
2022-01-06 13:31:52 -05:00
parent 4882ce790c
commit 193d9ec28f
16 changed files with 128072 additions and 50 deletions
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15
src/Makefile
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@@ -9,22 +9,15 @@ USER_INCLUDES_DIR := $(abspath ./user/include/)
USER_INCLUDES_HDR := $(wildcard $(USER_INCLUDES_DIR)/**/*.h)
USER_INCLUDES_SRC := $(wildcard $(USER_INCLUDES_DIR)/**/*.c)
USER_INCLUDES_OBJ := $(USER_INCLUDES_SRC:.c=.o)
VMLINUX := ./vmlinux/newvmlinux.h
VMLINUX := ./vmlinux/newnewvmlinux.h
USER := user
EBPF := ebpf
COMMON_INCLUDES := -I$(abspath ./ebpf/include) -I$(abspath ./user/include)
# Use our own libbpf API headers and Linux UAPI headers distributed with
# libbpf to avoid dependency on system-wide headers, which could be missing or
# outdated
INCLUDES := -I$(OUTPUT) -I./libbpf/include/uapi #-I$(dir $(VMLINUX))
KINCLUDES := -I$(OUTPUT) \
-I./libbpf/include/uapi \
-I/lib/modules/5.11.0-41-generic/build/include \
-I/lib/modules/$$(uname -r)/build/include/uapi \
-I/lib/modules/$$(uname -r)/build/include/generated/uapi \
-I/lib/modules/$$(uname -r)/build/arch/x86/include \
-I/lib/modules/$$(uname -r)/build/arch/x86/include/uapi \
-I/lib/modules/$$(uname -r)/build/arch/x86/include/generated #-I$(dir $(VMLINUX))
INCLUDES := -I$(OUTPUT) -I./libbpf/include/uapi -I$(dir $(VMLINUX))
#INCLUDES := -I$(OUTPUT) -I./libbpf/include/uapi -I/lib/modules/5.11.0-41-generic/build/include -I/lib/modules/$$(uname -r)/build/include/uapi -I/lib/modules/$$(uname -r)/build/include/generated/uapi -I/lib/modules/$$(uname -r)/build/arch/x86/include -I/lib/modules/$$(uname -r)/build/arch/x86/include/generated #-I$(dir $(VMLINUX))
CFLAGS := -g -Wall
ARCH := $(shell uname -m | sed 's/x86_64/x86/')
@@ -79,7 +72,7 @@ $(LIBBPF_OBJ): $(wildcard $(LIBBPF_SRC)/*.[ch] $(LIBBPF_SRC)/Makefile) | $(OUTPU
# Build BPF code
$(OUTPUT)/%.bpf.o: $(EBPF)/%.bpf.c $(LIBBPF_OBJ) $(wildcard $(EBPF)/%.h) | $(OUTPUT)
$(call msg,BPF,$@)
$(Q)$(CLANG) -g -O2 -fno-builtin -target bpf -emit-llvm -D__KERNEL__ -D__ASM_SYSREG_H -D__TARGET_ARCH_$(ARCH) $(KINCLUDES) $(COMMON_INCLUDES) $(CLANG_BPF_SYS_INCLUDES) -c $(filter %.c,$^) -o - | llc -march=bpf -filetype=obj -o $@
$(Q)$(CLANG) -g -O2 -fno-builtin -target bpf -D__KERNEL__ -D__TARGET_ARCH_$(ARCH) $(INCLUDES) $(COMMON_INCLUDES) $(CLANG_BPF_SYS_INCLUDES) -c $(filter %.c,$^) -o $@
$(Q)$(LLVM_STRIP) -g $@ # strip useless DWARF info
# Generate BPF skeletons