Fix stack on procedure call return

1 files changed, 4 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 581dc1a..cdb8c93 100644
--- a/Makefile
+++ b/Makefile
@@ -17,6 +17,7 @@ BIN    := $(BUILD_DIR)/$(TARGET)
 CC             := cc
 CFLAGS         := -Wall -Wextra -pedantic -DBIN_NAME=\"$(TARGET)\"
 CFLAGS         += $(INC_FLAGS)
+NASM_FLAGS     ?= -felf64
 LDFLAGS        :=
 LDLIBS         :=
 RELEASE_CFLAGS := -DNDEBUG -O2 -static
@@ -30,8 +31,10 @@ DEBUG_CFLAGS   := -DDEBUG -O0 -g
 DEBUG ?= 0
 ifeq ($(DEBUG), 1)
     CFLAGS += $(DEBUG_CFLAGS)
+    NASM_FLAGS += -g -F dwarf
 else ifeq ($(DEBUG), 2)
     CFLAGS += $(DEBUG_CFLAGS) -fsanitize=address
+    NASM_FLAGS += -g -F dwarf
 else
     CFLAGS += $(RELEASE_CFLAGS)
 endif
@@ -54,7 +57,7 @@ tests: $(BIN)
 
 run: $(BIN)
         $(BIN) example.bdl > build/example.asm
-        nasm -felf64 build/example.asm -o build/example.o
+        nasm $(NASM_FLAGS) build/example.asm -o build/example.o
         ld build/example.o -o build/example
         @./build/example