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include/bpf.mk: fix compile for big-endian targets 

llvm-opt and llc need endian flags in the target as well

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2021-11-02 10:39:35 +01:00
parent da668eb03b
commit cfb022cd5f
1 changed files with 3 additions and 2 deletions
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5
include/bpf.mk
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@ -22,6 +22,7 @@ LLVM_STRIP:=$(LLVM_PATH)/llvm-strip$(LLVM_VER)
BPF_KARCH:=mips
BPF_ARCH:=mips$(if $(CONFIG_BIG_ENDIAN),,el)
BPF_TARGET:=bpf$(if $(CONFIG_BIG_ENDIAN),eb,el)
BPF_HEADERS_DIR:=$(STAGING_DIR)/bpf-headers
@ -59,9 +60,9 @@ BPF_CFLAGS := \
define CompileBPF
$(CLANG) -g -target $(BPF_ARCH)-linux-gnu $(BPF_CFLAGS) $(2) \
-c $(1) -o $(patsubst %.c,%.bc,$(1))
$(LLVM_OPT) -O2 -mtriple=bpf-pc-linux < $(patsubst %.c,%.bc,$(1)) > $(patsubst %.c,%.opt,$(1))
$(LLVM_OPT) -O2 -mtriple=$(BPF_TARGET) < $(patsubst %.c,%.bc,$(1)) > $(patsubst %.c,%.opt,$(1))
$(LLVM_DIS) < $(patsubst %.c,%.opt,$(1)) > $(patsubst %.c,%.S,$(1))
$(LLVM_LLC) -march=bpf -filetype=obj -o $(patsubst %.c,%.o,$(1)) < $(patsubst %.c,%.S,$(1))
$(LLVM_LLC) -march=$(BPF_TARGET) -filetype=obj -o $(patsubst %.c,%.o,$(1)) < $(patsubst %.c,%.S,$(1))
$(LLVM_STRIP) --strip-debug $(patsubst %.c,%.o,$(1))
endef