add global makefile, update tests

Makefile

@@ -0,0 +1,31 @@
+include config.mk
+
+.PHONY: build clean install uninstall masm mld msim
+
+build: masm mld msim
+	./bin/masm/masm -o ./bin/runtime.o ./lib/runtime.asm
+
+clean:
+	rm -fr ./bin
+
+install:
+	install -m 755 -D -t $(PREFIX)/bin ./bin/masm/masm
+	install -m 755 -D -t $(PREFIX)/bin ./bin/mld/mld
+	install -m 755 -D -t $(PREFIX)/bin ./bin/msim/msim
+	install -m 444 -D -t $(PREFIX)/lib/mips ./bin/runtime.o
+
+uninstall:
+	rm $(PREFIX)/bin/masm
+	rm $(PREFIX)/bin/mld
+	rm $(PREFIX)/bin/msim
+	rm $(PREFIX)/lib/mips/runtime.o
+	rmdir $(PREFIX)/lib/mips
+
+masm:
+	make -C ./masm build
+
+mld:
+	make -C ./mld build
+
+msim:
+	make -C ./msim build

compile_flags.txt

@@ -5,3 +5,4 @@
 -pedantic
 -Wno-gnu-binary-literal
 -Iinclude
+-DPREFIX=/usr/local

config.mk

@@ -8,6 +8,8 @@ CFLAGS += -Wall -Wextra -pedantic
 CFLAGS += -Wno-initializer-overrides
 CFLAGS += -O0 -g
 
+PREFIX=/usr/local
+
 # ======================== CONFIG OPTIONS ==
 #
 # MAX LEX LENGTH

test/masm/test.asm

@@ -18,7 +18,6 @@ null:
 .text
 .align 2
 .globl main
-.globl _start
 
 # init the heap
 heap_init:
@@ -204,7 +203,6 @@ realloc_free:
 	jr	$ra
 
 
-_start:
 main:
 	# push return address
 	addi	$sp, $sp, -4