From 8a939458e6db6cc8ec33c112f759bde6c1c8b380 Mon Sep 17 00:00:00 2001
From: Namonay <thek7995@gmail.com>
Date: Fri, 15 Mar 2024 17:15:37 +0100
Subject: [PATCH] added read, strcmp, strcpy, finished write, added Makefile

---
 Makefile         |  45 +++++++++++++++++++++++++++++++++++++++++++++
 ft_read.s        |  17 +++++++++++++++++
 ft_strcmp.s      |  16 ++++++++++++++++
 ft_strcpy.s      |  16 ++++++++++++++++
 ft_write.s       |   9 ++++++++-
 libasm.a         | Bin 0 -> 3918 bytes
 mauvaisdavid.txt |   1 +
 7 files changed, 103 insertions(+), 1 deletion(-)
 create mode 100644 Makefile
 create mode 100644 ft_read.s
 create mode 100644 ft_strcmp.s
 create mode 100644 ft_strcpy.s
 create mode 100644 libasm.a
 create mode 100644 mauvaisdavid.txt

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..c11a989
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,45 @@
+#******************************************************************************#
+#                                                                              #
+#                                                         :::      ::::::::    #
+#    Makefile                                           :+:      :+:    :+:    #
+#                                                     +:+ +:+         +:+      #
+#    By: vvaas <vvaas@student.42angouleme.fr>       +#+  +:+       +#+         #
+#                                                 +#+#+#+#+#+   +#+            #
+#    Created: 2024/03/15 14:16:21 by vvaas             #+#    #+#              #
+#    Updated: 2024/03/15 16:52:30 by vvaas            ###   ########.fr        #
+#                                                                              #
+#******************************************************************************#
+
+NAME = libasm.a
+
+SRCS = ft_strlen.s \
+		ft_write.s  \
+		ft_read.s    \
+		ft_strcpy.s   \
+		ft_strcmp.s    \
+		
+OBJS = ${SRCS:.s=.o}
+
+CC = nasm
+
+FLAGS = -f elf64
+
+AR = ar
+
+ARFLAG = rc
+
+.s.o :
+	${CC} $< -o ${<:.s=.o} ${FLAGS}
+
+all: ${NAME}
+
+${NAME}: ${OBJS}
+	${AR} ${ARFLAGS} ${NAME} ${OBJS}
+
+clean:
+	rm -f ${OBJS}
+
+fclean: clean
+	rm -f ${NAME}
+
+re:	fclean all
diff --git a/ft_read.s b/ft_read.s
new file mode 100644
index 0000000..6aed3c1
--- /dev/null
+++ b/ft_read.s
@@ -0,0 +1,17 @@
+global _read
+extern __errno_location
+
+_read:
+	mov eax, 0x11
+	syscall
+	test rax, rax
+	js .error
+	ret
+
+.error:
+	mov ebx, eax
+	call __errno_location wrt ..plt
+	neg ebx
+	mov dword [rax], ebx
+	mov rax, -1
+	ret
\ No newline at end of file
diff --git a/ft_strcmp.s b/ft_strcmp.s
new file mode 100644
index 0000000..bfc9dfa
--- /dev/null
+++ b/ft_strcmp.s
@@ -0,0 +1,16 @@
+extern _strcmp
+
+
+_strcmp:
+	xor rax, rax
+	xor rbx, rbx
+.count:
+	mov rax, [rdi + rbx]
+	sub rax, [rsi + rbx]
+	cmp rax, 0
+	jne .end
+	inc rbx
+	jmp .count
+
+.end: 
+	ret
diff --git a/ft_strcpy.s b/ft_strcpy.s
new file mode 100644
index 0000000..82dfb2f
--- /dev/null
+++ b/ft_strcpy.s
@@ -0,0 +1,16 @@
+extern _strcpy
+
+_strcpy:
+	xor rbx, rbx
+
+.cpy:
+	cmp dword [rsi + rbx], 0
+	je .end
+	mov rax, [rsi + rbx]
+	mov [rdi + rbx], rax
+	inc rbx
+	jmp .cpy
+
+.end:
+	mov rax, rdi
+	ret
diff --git a/ft_write.s b/ft_write.s
index 69f63d4..50a29db 100644
--- a/ft_write.s
+++ b/ft_write.s
@@ -1,10 +1,17 @@
 global _write
+extern __errno_location
 
 _write:
 	mov eax, 0x1
 	syscall
-	jc .error
+	test rax, rax
+	js .error
 	ret
+
 .error:
+	mov ebx, eax
+	call __errno_location wrt ..plt
+	neg ebx
+	mov dword [rax], ebx
 	mov rax, -1
 	ret
\ No newline at end of file
diff --git a/libasm.a b/libasm.a
new file mode 100644
index 0000000000000000000000000000000000000000..39ce1eb830921aef2280957199f6745e115f2611
GIT binary patch
literal 3918
zcmeH~J8u&~5P;|6N5CY+6rg}0u>sKl7aS#q!iv&>u0V)?U?0w*MDk1Li%2S>L==X`
zKOw&YQCf0An?6lSq=<q7kpjug?9QH#^_g>k!iuued3WY^cJ}d&cP?A7-SYZMY9aG`
zc@z+3JNTQ)<QG+kQVIYP`0N72UH~ND16=$FFtuB3dTzz3LGg{d;W<!r9eWK(S#E60
zy4nDE?QuV|E+#R|bAD+_xXdr-*>x%P_UZFy6NZ7#Wiem{`jXNDtoEDSUd1U-1hjwG
zBwzF-HS-;w#Ehm-Yw{$@F-=Eeo9(mOJ68MJE7%HKMTa}Kxn~?}I-(0K&vJbo>oET>
zdC*1frz+jQmFw&jCc#Tsz0UFXE`aGdTOOFrbv$Lyeub^=s;s4~28yW3PaMAW!n(ym
zPWY<mXbi079_ue_15Klx4jCr^V^a_+@Rb;w<!Yl?UbkKK!gOkD+PKKFV4YFUM6vuh
z|Kz{0oD8Kvn_PrQdrptevSKNt*^kQd5kvDpvuCxh9maB+Sq!pFJdeuqKHKMfPqLx=
z&!U>f)yomvtC*p9AzR)5CsNKNtaqI)quc6!p>cj3wq~u*ogS8MWNetOQ?X?Lk?pWT
zZcY;$cf~*k5c9z@g@S&D^!}F6lNYV{aARl`9oMbZi<NrW_BQJMzj#SMzO1{NweO4e
zn4X`sD_B%N9G)%+6*|$ev#hS5f4c|HV+UZ^J)mO8RENa1PDd8?VX<>CYV1((k74ZG
z7V901olB?>i=CT7ukQ{j72IK=Bhw<mz6u;Q_8($Jrcq}wXSyNwy#J&2LTQHOO#8g;
z#A2}Mr!nlFIpB_MHm1ElP0mze)*l9)V_Wxc<qr1>bKp%|AL4UXD?V@ay2oFw)(NIh
zqKsJ%CHK>SYdk$wMdVPJ<C`*v^0R%^1lycGVQ3J`)y6r?YHML!SYGgFBpZV)cMxX;
xdEUB@Fz=nfCVmPa&SS!|p3B}5%P_=!7hGBt%Lpg4j9;t@*K&Qc=J}GK`4=j1U;Y39

literal 0
HcmV?d00001

diff --git a/mauvaisdavid.txt b/mauvaisdavid.txt
new file mode 100644
index 0000000..a40e22c
--- /dev/null
+++ b/mauvaisdavid.txt
@@ -0,0 +1 @@
+mauvaisdavid
\ No newline at end of file