diff options
| -rw-r--r-- | Makefile | 25 | ||||
| -rw-r--r-- | asm/main.c | 46 | 
2 files changed, 70 insertions, 1 deletions
@@ -28,6 +28,14 @@ VM_VERBOSE=0  VM_CFLAGS:=$(CFLAGS) -D VERBOSE=$(VM_VERBOSE)  VM_OUT=$(DIST)/ovm.out +## ASSEMBLY setup +ASM_DIST=$(DIST)/asm +ASM_SRC=asm +ASM_CODE:=$(addprefix $(ASM_SRC)/, ) +ASM_OBJECTS:=$(ASM_CODE:$(ASM_SRC)/%.c=$(ASM_DIST)/%.o) +ASM_DEPS:=$(ASM_OBJECTS:%.o=%.d) $(ASM_DIST)/main.d +ASM_CFLAGS=$(CFLAGS) +ASM_OUT=$(DIST)/asm.out  ## EXAMPLES setup  EXAMPLES_DIST=$(DIST)/examples @@ -36,10 +44,11 @@ EXAMPLES_CFLAGS=$(CFLAGS)  EXAMPLES=$(DIST)/fib.out  # Things you want to build on `make` -all: $(DIST) lib vm examples +all: $(DIST) lib vm asm examples  lib: $(LIB_DIST) $(LIB_OBJECTS)  vm: $(VM_DIST) $(VM_OUT) +asm: $(ASM_DIST) $(ASM_OUT)  examples: $(EXAMPLES_DIST) $(EXAMPLES)  # Recipes @@ -61,6 +70,17 @@ $(VM_DIST)/%.o: $(VM_SRC)/%.c  	@$(CC) $(VM_CFLAGS) -MMD -c $< -o $@ $(LIBS)  	@echo -e "$(TERM_GREEN)$@$(TERM_RESET)" +## ASSEMBLY Recipes +$(ASM_OUT): $(LIB_OBJECTS) $(VM_DIST)/inst.o $(ASM_OBJECTS) $(ASM_DIST)/main.o +	@$(CC) $(ASM_CFLAGS) $^ -o $@ $(LIBS) +	@echo -e "$(TERM_GREEN)$@$(TERM_RESET)" + +-include $(ASM_DEPS) + +$(ASM_DIST)/%.o: $(ASM_SRC)/%.c +	@$(CC) $(ASM_CFLAGS) -MMD -c $< -o $@ $(LIBS) +	@echo -e "$(TERM_GREEN)$@$(TERM_RESET)" +  ## EXAMPLES recipes  $(DIST)/fib.out: $(LIB_OBJECTS) $(VM_OBJECTS) $(ASM_OBJECTS) $(EXAMPLES_DIST)/fib.o  	@$(CC) $(EXAMPLES_CFLAGS) $^ -o $@ $(LIBS) @@ -90,5 +110,8 @@ $(LIB_DIST):  $(VM_DIST):  	mkdir -p $(VM_DIST) +$(ASM_DIST): +	mkdir -p $(ASM_DIST) +  $(EXAMPLES_DIST):  	mkdir -p $(EXAMPLES_DIST) diff --git a/asm/main.c b/asm/main.c new file mode 100644 index 0000000..3f6209b --- /dev/null +++ b/asm/main.c @@ -0,0 +1,46 @@ +/* Copyright (C) 2023 Aryadev Chavali + + * You may distribute and modify this code under the terms of the + * GPLv2 license.  You should have received a copy of the GPLv2 + * license with this file.  If not, please write to: + * aryadev@aryadevchavali.com. + + * Created: 2023-10-23 + * Author: Aryadev Chavali + * Description: Assembly source code compiler, targeting OVM + */ + +#include <stdio.h> + +#include <lib/darr.h> + +typedef enum TokenType +{ +  TOKEN_WHITESPACE, +  TOKEN_BYTE_LITERAL, +  TOKEN_HWORD_LITERAL, +  TOKEN_WORD_LITERAL, +  TOKEN_SYMBOL, +} token_type_t; + +typedef struct +{ +  token_type_t type; +  char *str; +  size_t str_size; +} token_t; + +// We can use darr_read_file as an in memory buffer of source code +// Then just create new darr's for tokens, then instructions.  Then +// emit bytecode in the end. + +int main(void) +{ +  FILE *fp    = fopen("main.asm", "rb"); +  darr_t darr = darr_read_file(fp); +  fclose(fp); +  darr.data[darr.available - 1] = '\0'; +  printf("%lu/%lu\n%s\n", darr.used, darr.available, darr.data); +  free(darr.data); +  return 0; +}  | 
