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Fuzzing against verified fork of spec interpreter (#3843)

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* Revert "Remove spec interpreter fuzz target temporarily (#3399)"

This reverts commit 25d3fa4d7b.

* add support for differential fuzzing against verified OCaml interpreter

* formatting

* comments

* fix missing dep case

* fix build error

* fix unit tests?

* restore previous differential_v8 max_table config

* attempt: add OCaml deps

* fix interpeter github repo

* fix spec repo url

* fix zarith package

* fix unit test
This commit is contained in:
Conrad Watt
2022-03-01 18:01:46 +00:00
committed by GitHub
parent ceab1e62fa
commit 98ef18a22a
15 changed files with 142 additions and 59 deletions
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9
crates/fuzzing/wasm-spec-interpreter/ocaml/Makefile
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@@ -11,14 +11,19 @@ SPEC_DIR := spec/interpreter
SPEC_BUILD_DIR := $(SPEC_DIR)/_build
SPEC_LIB := $(SPEC_BUILD_DIR)/wasm.cmxa
# A space-separated list of paths that the linker will use to search for libgmp.
# Override with `make LIBGMP_PATHS=...`.
LIBGMP_PATHS := /usr/lib /usr/lib/x86_64-linux-gnu
PKGS = zarith
# Build and package the static library, `libinterpret.a`.
$(BUILD_DIR)/libinterpret.a: $(BUILD_DIR)/interpret.lib.o
ar qs $@ $^
$(BUILD_DIR)/interpret.lib.o: $(SPEC_LIB) $(BUILD_DIR)/interpret.cmx
ocamlopt $(OCAML_FLAGS) -I $(SPEC_BUILD_DIR) -o $@ -output-complete-obj $^
ocamlfind ocamlopt $(OCAML_FLAGS) -I $(SPEC_BUILD_DIR) -o $@ -output-complete-obj $^ -linkpkg $(PKGS:%=-package %) -cclib "$(LIBGMP_PATHS:%=-L%)"
$(BUILD_DIR)/interpret.cmx: interpret.ml $(SPEC_BUILD_DIR) $(BUILD_DIR)
ocamlopt $(OCAML_FLAGS) -I $(SPEC_BUILD_DIR) -o $@ -c -impl $<
ocamlfind ocamlopt $(OCAML_FLAGS) -I $(SPEC_BUILD_DIR) -o $@ -c -impl $< -linkpkg $(PKGS:%=-package %)
$(BUILD_DIR):
mkdir -p $@