initial interpeter testing

1 files changed, 71 insertions, 0 deletions

diff --git a/scripts/makefile b/scripts/makefile
new file mode 100644
index 0000000..484d04f
--- /dev/null
+++ b/scripts/makefile
@@ -0,0 +1,71 @@
+# this could be done better
+RELEASE		?= 0
+OPTFLAGS	!= [ "$(RELEASE)" != "0" ] \
+			&& echo "-O2" \
+			|| echo "-O0"
+
+DEBUG		?= 1
+DEBUGFLAGS	!= [ "$(DEBUG)" != "0" ] \
+			&& echo "-DDEBUG=1" \
+			|| echo "-DNDEBUG=1"
+
+ASSERT		?= 1
+ASSERTFLAGS	!= [ "$(ASSERT)" != "0" ] \
+			&& echo "-DASSERT=1" \
+			|| echo
+
+DEPFLAGS	= -MT $@ -MMD -MP -MF $@.d
+LINTFLAGS	:= -fsyntax-only
+PREPROCESS	:= -E
+
+LLVM		?= 0
+BUILD		:= build
+
+all: ejit.o
+
+# default values, overwrite if/when needed
+CROSS_COMPILE	:=
+
+OBJCOPY		!= [ "$(LLVM)" != "0" ] \
+			&& echo llvm-objcopy \
+			|| echo $(CROSS_COMPILE)objcopy
+
+COMPILER	!= [ "$(LLVM)" != "0" ] \
+			&& echo clang --target="$(CROSS_COMPILE)" \
+			|| echo $(CROSS_COMPILE)gcc
+
+
+OBFLAGS		:= -g
+# interpreter is allowed to have uninitialized values
+WARNFLAGS	:= -Wall -Wextra -Wno-maybe-uninitialized
+
+COMPILE_FLAGS	:= $(CFLAGS) $(WARNFLAGS) $(OPTFLAGS) $(OBFLAGS) $(ASSERTFLAGS) \
+		   $(DEBUGFLAGS)
+
+INCLUDE_FLAGS	:= -I include
+
+COMPILE		= $(COMPILER) \
+		  $(COMPILE_FLAGS) $(DEPFLAGS) $(INCLUDE_FLAGS)
+
+LINT		= $(COMPILER) \
+		  $(COMPILE_FLAGS) $(LINTFLAGS) $(INCLUDE_FLAGS)
+
+UBSAN		?= 0
+UBSAN_FLAGS	!= [ "$(UBSAN)" != "0" ] \
+			&& echo -fsanitize=undefined \
+			|| echo
+
+COMPILE_EJIT	= $(COMPILE) $(EJIT_FLAGS)
+
+-include deps.mk
+
+ejit.o: $(EJIT_OBJS)
+	ld -relocatable $(EJIT_OBJS) -o $@
+
+examples: examples/exec
+examples/exec: examples/main.c ejit.o
+	$(COMPILE_EJIT) examples/main.c ejit.o -o $@
+
+# might lint some common things twice
+.PHONY:
+lint: $(TRISCV_LINTS)