September 2017 Update

Task/Program-name/X86-Assembly/program-name-1.x86

@@ -0,0 +1,19 @@
+FORMAT=-f elf
+RUN=./
+BIN=scriptname
+OBJ=scriptname.o
+
+all: test
+
+test: $(BIN)
+	$(RUN)$(BIN)
+
+$(BIN): $(OBJ)
+	ld -o $(BIN) $(OBJ)
+
+$(OBJ): scriptname.asm
+	nasm $(FORMAT) -o $(OBJ) scriptname.asm
+
+clean:
+	-rm $(BIN)
+	-rm $(OBJ)

Task/Program-name/X86-Assembly/program-name-2.x86

@@ -0,0 +1,72 @@
+bits 32
+
+section .data
+
+stdout equ 1
+
+sys_write equ 4
+sys_exit equ 1
+
+kernel equ 0x80
+
+program db "Program: ", 0
+programlen equ $-program
+
+nl db "", 10, 0
+nllen equ $-nl
+
+section .bss
+
+scriptname resd 1
+scriptnamelen resd 1
+
+section .text
+
+global _start
+
+strlen:							; eax: a string ending in 0
+	push eax						; cache eax
+
+	.strloop:
+		mov bl, byte [eax]
+		cmp bl, 0
+		je .strret						; return len if bl == 0
+		inc eax							; else eax++
+		jmp .strloop
+
+	.strret:
+		pop ebx							; ebx = cached eax
+		sub eax, ebx					; eax -= ebx
+		ret								; eax = len
+
+_start:
+	mov eax, esp
+	add eax, 4
+	mov eax, [eax]
+	mov dword [scriptname], eax
+
+	mov eax, sys_write
+	mov ebx, stdout
+	mov ecx, program
+	mov edx, programlen
+	int kernel
+
+	mov dword eax, [scriptname]
+	call strlen
+	mov dword [scriptnamelen], eax
+
+	mov eax, sys_write
+	mov ebx, stdout
+	mov dword ecx, [scriptname]
+	mov dword edx, [scriptnamelen]
+	int kernel
+
+	mov eax, sys_write
+	mov ebx, stdout
+	mov ecx, nl
+	mov edx, nllen
+	int kernel
+
+	mov eax, sys_exit
+	mov ebx, 0
+	int kernel

Task/Program-name/X86-Assembly/program-name-3.x86

@@ -0,0 +1,27 @@
+# FreeBSD defaults
+
+FORMAT=-f elf
+RUN=./
+BIN=scriptname
+OBJ=scriptname.o
+
+# Mac OS X
+ifeq ($(shell uname -s),Darwin)
+	FORMAT=-f macho
+	MINV=-macosx_version_min 10.6
+endif
+
+all: test
+
+test: $(BIN)
+	$(RUN)$(BIN)
+
+$(BIN): $(OBJ)
+	ld -o $(BIN) $(MINV) $(OBJ)
+
+$(OBJ): scriptname.asm
+	nasm $(FORMAT) -o $(OBJ) scriptname.asm
+
+clean:
+	-rm $(BIN)
+	-rm $(OBJ)

Task/Program-name/X86-Assembly/program-name-4.x86

@@ -0,0 +1,79 @@
+bits 32
+
+section .data
+
+stdout equ 1
+
+sys_write equ 4
+sys_exit equ 1
+
+kernel equ 0x80
+
+program db "Program: ", 0
+programlen equ $-program
+
+nl db "", 10, 0
+nllen equ $-nl
+
+section .bss
+
+scriptname resd 1
+scriptnamelen resd 1
+
+section .text
+
+global start
+
+strlen:							; eax: a string ending in 0
+	push eax						; cache eax
+
+	.strloop:
+		mov bl, byte [eax]
+		cmp bl, 0
+		je .strret						; return len if bl == 0
+		inc eax							; else eax++
+		jmp .strloop
+
+	.strret:
+		pop ebx							; ebx = cached eax
+		sub eax, ebx					; eax -= ebx
+		ret								; eax = len
+
+start:
+	mov eax, esp
+	add eax, 4
+	mov eax, [eax]
+	mov dword [scriptname], eax
+
+	push programlen
+	push program
+	push stdout
+	mov eax, sys_write
+	sub esp, 4
+	int kernel
+	add esp, 4 + 4 * 3
+
+	mov dword eax, [scriptname]
+	call strlen
+	mov dword [scriptnamelen], eax
+
+	push dword [scriptnamelen]
+	push dword [scriptname]
+	push stdout
+	mov eax, sys_write
+	sub esp, 4
+	int kernel
+	add esp, 4 + 4 * 3
+
+	push nllen
+	push nl
+	push stdout
+	mov eax, sys_write
+	sub esp, 4
+	int kernel
+	add esp, 4 + 4 * 3
+
+	push 0
+	mov eax, sys_exit
+	sub esp, 4
+	int kernel

Task/Program-name/X86-Assembly/program-name-5.x86

@@ -0,0 +1,19 @@
+FORMAT=-f win32
+BIN=scriptname.exe
+OBJ=scriptname.obj
+RUN=
+
+all: test
+
+test: $(BIN)
+	$(RUN)$(BIN)
+
+$(BIN): $(OBJ)
+	golink /fo $(BIN) $(OBJ) /console kernel32.dll Msvcrt.dll
+
+$(OBJ): scriptname.asm
+	nasm $(FORMAT) -o $(OBJ) scriptname.asm
+
+clean:
+	-rm $(BIN)
+	-rm $(OBJ)

Task/Program-name/X86-Assembly/program-name-6.x86

@@ -0,0 +1,94 @@
+bits 32
+
+section .data
+
+program db "Program: ", 0
+programlen equ $-program
+
+nl db "", 13, 10, 0
+nllen equ $-nl
+
+stdouthandle equ -11
+
+section .bss
+
+stdout resd 1
+
+charswritten resd 1
+
+env resd 1
+argc resd 1
+argv resd 255
+
+scriptname resd 1
+scriptnamelen resd 1
+
+section .text
+
+global Start
+extern GetStdHandle
+extern __getmainargs
+extern WriteConsoleA
+extern ExitProcess
+
+strlen:				; eax: a string ending in 0
+	push eax			; cache eax
+
+	.strloop:
+		mov bl, byte [eax]
+		cmp bl, 0
+		je .strret			; return len if bl == 0
+		inc eax				; else eax++
+		jmp .strloop
+
+	.strret:
+		pop ebx				; ebx = cached eax
+		sub eax, ebx		; eax -= ebx
+		ret					; eax = len
+
+Start:
+	push 0
+	push env
+	push argv
+	push argc
+	call __getmainargs
+	mov eax, [argv]
+	mov eax, [eax]
+	mov [scriptname], eax
+	add esp, 4 * 4
+
+	push stdouthandle
+	call GetStdHandle
+	mov [stdout], eax
+	add esp, 4 * 1
+
+	push 0
+	push charswritten
+	push programlen
+	push program
+	push dword [stdout]
+	call WriteConsoleA
+	add esp, 4 * 5
+
+	mov eax, [scriptname]
+	call strlen
+	mov [scriptnamelen], eax
+
+	push 0
+	push charswritten
+	push dword [scriptnamelen]
+	push dword [scriptname]
+	push dword [stdout]
+	call WriteConsoleA
+	add esp, 4 * 5
+
+	push 0
+	push charswritten
+	push nllen
+	push nl
+	push dword [stdout]
+	call WriteConsoleA
+	add esp, 4 * 5
+
+	push 0
+	call ExitProcess