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Adding eBPF support #1

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5d196bf
Update .gitignore
SunHao-0 Aug 20, 2025
f2738cb
lower: Add eBPF backend
SunHao-0 Aug 21, 2025
3b75f32
feat: Add bpf_test
SunHao-0 Aug 22, 2025
03a9ffe
feat: Add bpf_vm_test.sh
SunHao-0 Aug 22, 2025
ff300a2
feat: Add fork server mode for prog generation
SunHao-0 Aug 23, 2025
306a6a7
bpf_test: Add fp filter and adopt func graph mode
SunHao-0 Aug 25, 2025
7d2c1ed
bpf_test: Add crash verify and prog load mode
SunHao-0 Aug 25, 2025
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6 changes: 5 additions & 1 deletion .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -3,4 +3,8 @@ generated*/
*/__pycache__
.idea
.vscode
venv
venv

# for clangd
compile_commands.json
.cache
10 changes: 8 additions & 2 deletions Makefile
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Expand Up @@ -76,7 +76,7 @@ LDFLAGS := $(DBGFLAGS) -lz3 -lpthread -lz
## Building Targets
########################################################################

.PHONY: clean all lib fgen pgen bins gen-func-set gen-func-set-check-ubs gen-prog-set gen-prog-set-check
.PHONY: clean all lib fgen pgen bins gen-func-set gen-func-set-check-ubs gen-prog-set gen-prog-set-check bpf_test

all: lib bins

Expand Down Expand Up @@ -107,11 +107,17 @@ $(BIN_DIR)/pgen: $(LIB_OBJ) $(OBJ_DIR)/prog_gen.o
@mkdir -p $(dir $@)
$(CXX) -o $@ $^ $(LDFLAGS)

$(BIN_DIR)/bpf_test: $(LIB_OBJ) $(OBJ_DIR)/bpf_test.o
@mkdir -p $(dir $@)
$(CXX) -o $@ $^ $(LDFLAGS)

fgen: $(BIN_DIR)/fgen

pgen: $(BIN_DIR)/pgen

bins: fgen pgen
bpf_test: $(BIN_DIR)/bpf_test

bins: fgen pgen bpf_test


########################################################################
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13 changes: 13 additions & 0 deletions include/global.hpp
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Expand Up @@ -427,6 +427,10 @@ static std::filesystem::path GetProgramsDir(const std::filesystem::path &output)
return output / "programs";
}

static std::filesystem::path GeteBPFDir(const std::filesystem::path &output) {
return output / "ebpf_progs";
}

static std::string GetFunctionName(const std::string &uuid, const std::string &sno) {
return std::string(FUNCTION_NAME_PREFIX) + "_" + uuid + "_" + sno;
}
Expand Down Expand Up @@ -489,6 +493,15 @@ static std::filesystem::path GetProgramPath(
return GetProgramsDir(output) / GetProgramNameForFunctionName(GetFunctionName(uuid, sno));
}

static std::string GeteBPFProgramNameForFunctionName(const std::string &functionName) {
return functionName.substr(std::string(FUNCTION_NAME_PREFIX).size() + 1) + ".bpf";
}

static std::filesystem::path
GeteBPFPath(const std::string &uuid, const std::string &sno, const std::filesystem::path &output) {
return GeteBPFDir(output) / GeteBPFProgramNameForFunctionName(GetFunctionName(uuid, sno));
}

static std::filesystem::path
GetGetProgramPathPathForFunctionPath(const std::filesystem::path &functionPath) {
return GetProgramsDir(functionPath.parent_path().parent_path()) /
Expand Down
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