Adds _initializor to handle entry/exit. 'tests' now exits with 'amount of failed tests' as exit code

'

@@ -0,0 +1,30 @@
+%include "src/constants/sizes.asm"
+
+extern	exit
+extern	main
+
+section .text
+	global _start
+	global	stack_is_top
+
+_start:
+	mov	rdi, [rsp]
+	lea	rsi, [rsp + SIZE_QWORD]
+	push	rsp ;Can maybe used as a method to find out if we're at top of the stack
+	push	-1
+
+	call	main
+
+	mov	rdi, rax
+	call	exit
+
+stack_is_top:
+	xor	rax, rax
+	mov	rdi, rsp
+	cmp	rdi, [rsp]
+	je	.yes
+	jmp	.q
+	.yes:
+	inc	al
+	.q:
+	ret

Makefile

@@ -3,6 +3,7 @@ DIR_BLD := build
 DIR_BIN := $(DIR_BLD)/bin
 
 OBJS := $(DIR_BLD)/tests.o \
+	$(DIR_BLD)/_initializor.o \
 	$(DIR_BLD)/constants.o \
 	$(DIR_BLD)/core.o \
 	$(DIR_BLD)/console.o \

src/_initializor.asm

@@ -0,0 +1,25 @@
+%include "src/constants/sizes.asm"
+
+extern	exit
+extern	main
+
+section .text
+	global _start
+
+_start:
+	; Store argc and argv
+	mov	rdi, [rsp]
+	lea	rsi, [rsp + SIZE_QWORD]
+
+	; Increase stack (fill with zeroes)
+	; Some functions(wrappers) like format() will try to read beyond stack when:
+	;	- No args were passed
+	;	- Stack is at top
+	; This prevents that
+	push	0
+	push	0
+
+	call	main
+
+	mov	rdi, rax
+	call	exit

src/tests.asm

@@ -440,8 +440,11 @@ section .bss
 	statBuff2	resb	STATBUFF_SIZE
 
 section .text
-	global _start
-_start:
+	global main
+main:
+	push	rbp
+	mov	rbp, rsp
+
 	xor	r13, r13 ;total tests
 	xor	r14, r14 ;OK tests (assert => true)
 
@@ -1691,8 +1694,10 @@ _start:
 	mov	rdx, r14
 	mov	rcx, r13
 	sub	rcx, r14
+	mov	r15, rcx
 	call	printf
 
 ;--- exit()
-	xor	rdi, rdi
-	call	exit
+	leave
+	mov	rax, r15
+	ret