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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /samples/bpf/Makefile
Initial import
Diffstat (limited to 'samples/bpf/Makefile')
-rw-r--r--samples/bpf/Makefile50
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diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
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+++ b/samples/bpf/Makefile
@@ -0,0 +1,50 @@
+# kbuild trick to avoid linker error. Can be omitted if a module is built.
+obj- := dummy.o
+
+# List of programs to build
+hostprogs-y := test_verifier test_maps
+hostprogs-y += sock_example
+hostprogs-y += sockex1
+hostprogs-y += sockex2
+hostprogs-y += tracex1
+hostprogs-y += tracex2
+hostprogs-y += tracex3
+hostprogs-y += tracex4
+
+test_verifier-objs := test_verifier.o libbpf.o
+test_maps-objs := test_maps.o libbpf.o
+sock_example-objs := sock_example.o libbpf.o
+sockex1-objs := bpf_load.o libbpf.o sockex1_user.o
+sockex2-objs := bpf_load.o libbpf.o sockex2_user.o
+tracex1-objs := bpf_load.o libbpf.o tracex1_user.o
+tracex2-objs := bpf_load.o libbpf.o tracex2_user.o
+tracex3-objs := bpf_load.o libbpf.o tracex3_user.o
+tracex4-objs := bpf_load.o libbpf.o tracex4_user.o
+
+# Tell kbuild to always build the programs
+always := $(hostprogs-y)
+always += sockex1_kern.o
+always += sockex2_kern.o
+always += tracex1_kern.o
+always += tracex2_kern.o
+always += tracex3_kern.o
+always += tracex4_kern.o
+always += tcbpf1_kern.o
+
+HOSTCFLAGS += -I$(objtree)/usr/include
+
+HOSTCFLAGS_bpf_load.o += -I$(objtree)/usr/include -Wno-unused-variable
+HOSTLOADLIBES_sockex1 += -lelf
+HOSTLOADLIBES_sockex2 += -lelf
+HOSTLOADLIBES_tracex1 += -lelf
+HOSTLOADLIBES_tracex2 += -lelf
+HOSTLOADLIBES_tracex3 += -lelf
+HOSTLOADLIBES_tracex4 += -lelf -lrt
+
+# point this to your LLVM backend with bpf support
+LLC=$(srctree)/tools/bpf/llvm/bld/Debug+Asserts/bin/llc
+
+%.o: %.c
+ clang $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) \
+ -D__KERNEL__ -Wno-unused-value -Wno-pointer-sign \
+ -O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=obj -o $@