add report

Author: abenso

Makefile

@@ -45,6 +45,12 @@ fuzz_crash:
 fuzz_clean:
 	@cd fuzzing && $(MAKE) fuzz_clean
 
+fuzz_report:
+	@cd fuzzing && $(MAKE) fuzz_report
+
+fuzz_report_html:
+	@cd fuzzing && $(MAKE) fuzz_report_html
+
 fuzz_help:
 	@echo "Fuzzing targets for ledger-zxlib:"
 	@echo ""

fuzzing/Makefile

@@ -104,21 +104,36 @@ fuzz_report:
 		fi; \
 	done
 
-# Generate HTML coverage report
+# Generate unified HTML coverage report for all fuzzers
 .PHONY: fuzz_report_html
 fuzz_report_html:
+	@# Check coverage directory exists and has data
 	@if [ ! -d "$(FUZZ_COVERAGE_DIR)" ] || [ -z "$$(ls -A $(FUZZ_COVERAGE_DIR) 2>/dev/null)" ]; then \
 		echo "Error: Coverage directory is empty. Please run the fuzzer with ENABLE_COVERAGE flag ON"; \
 		exit 1; \
 	fi
+	@# Merge all profraw files into a single profdata file
 	@llvm-profdata merge -sparse $(FUZZ_COVERAGE_DIR)/*.profraw -o $(FUZZ_COVERAGE_DIR)/coverage.profdata
-	@for fuzzer in $(FUZZ_BUILD_DIR)/fuzz-*; do \
-		if [ -x "$$fuzzer" ]; then \
-			llvm-cov show $$fuzzer -instr-profile=$(FUZZ_COVERAGE_DIR)/coverage.profdata \
-				-format=html -output-dir=$(FUZZ_COVERAGE_DIR)/report_html_$$(basename $$fuzzer); \
-		fi; \
-	done
-	@echo "HTML coverage reports generated in $(FUZZ_COVERAGE_DIR)/report_html_*"
+	@echo "Generating unified coverage report for all fuzzers..."
+	@rm -rf $(FUZZ_COVERAGE_DIR)/report_html_unified
+	@# Generate HTML report with all fuzzer binaries
+	@llvm-cov show \
+		$(FUZZ_BUILD_DIR)/fuzz-base58 \
+		-object $(FUZZ_BUILD_DIR)/fuzz-base64 \
+		-object $(FUZZ_BUILD_DIR)/fuzz-bech32 \
+		-object $(FUZZ_BUILD_DIR)/fuzz-hexutils \
+		-object $(FUZZ_BUILD_DIR)/fuzz-segwit_addr \
+		-instr-profile=$(FUZZ_COVERAGE_DIR)/coverage.profdata \
+		-format=html \
+		-output-dir=$(FUZZ_COVERAGE_DIR)/report_html_unified \
+		-show-line-counts-or-regions \
+		-show-instantiations \
+		-show-expansions
+	@echo "Unified HTML coverage report generated in $(FUZZ_COVERAGE_DIR)/report_html_unified"
+	@# Open report in default browser (cross-platform)
+	@open $(FUZZ_COVERAGE_DIR)/report_html_unified/index.html 2>/dev/null || \
+		xdg-open $(FUZZ_COVERAGE_DIR)/report_html_unified/index.html 2>/dev/null || \
+		echo "Please open manually: $(FUZZ_COVERAGE_DIR)/report_html_unified/index.html"
 
 # === PYTHON FORMATTING TARGETS ===