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Commit 133d7be

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Add Chapter2
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‎Chapter2/a.txt‎

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Hello World
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Hello World
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hello world

‎Chapter2/c.txt‎

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‎Chapter2/common.h‎

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#ifndef __COMMON_H__
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#define __COMMON_H__
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extern void print(char* str);
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extern char* input( );
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#endif /* __COMMON_H__ */

‎Chapter2/e.txt‎

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txt

‎Chapter2/helloworld.c‎

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#include <stdio.h>
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int main(int argc, char** argv)
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{
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printf("Hello, World!\n");
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return 0;
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}

‎Chapter2/helloworld.s‎

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.arch armv6
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.eabi_attribute 28,1
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.eabi_attribute 20,1
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.eabi_attribute 21,1
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.eabi_attribute 23,3
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.eabi_attribute 24,1
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.eabi_attribute 25,1
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.eabi_attribute 26,2
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.eabi_attribute 30,6
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.eabi_attribute 34,1
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.eabi_attribute 18,4
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.file "helloworld.c"
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.text
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.section .rodata
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.align2
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.LC0:
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.ascii "Hello, World!000円"
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.text
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.align2
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.global main
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.arch armv6
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.syntax unified
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.arm
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.fpu vfp
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.type main, %function
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main:
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@ args = 0, pretend = 0, frame = 8
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@ frame_needed = 1, uses_anonymous_args = 0
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push {fp, lr}
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add fp,sp, #4
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subsp,sp, #8
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str r0,[fp, #-8]
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str r1,[fp, #-12]
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ldr r0, .L3
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bl puts
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mov r3, #0
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mov r0, r3
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subsp, fp, #4
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@ sp needed
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pop {fp, pc}
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.L4:
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.align2
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.L3:
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.word .LC0
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.size main, .-main
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.ident "GCC: (Raspbian 8.3.0-6+rpi1) 8.3.0"
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.section .note.GNU-stack,"",%progbits

‎Chapter2/input.c‎

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#include <stdio.h>
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#include <stdlib.h>
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#include "common.h"
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char* input( )
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{
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char *str;
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str = (char*)malloc(BUFSIZ);
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scanf("%s", str);
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return str;
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}

‎Chapter2/main.c‎

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#include "common.h"
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int main( )
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{
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char* str = input( );
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print(str);
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print("\n");
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return 0;
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}

‎Chapter2/makefile‎

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# makefile
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.SUFFIXES : .c .o
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OBJECTS = main.o \
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print.o \
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input.o
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SRCS = $(OBJECTS:.o=.c)
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CC = gcc
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CFLAGS = -g
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TARGET = test helloworld
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all : $(TARGET)
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helloworld : helloworld.c
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$(CC) -o $@ $<
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test : $(OBJECTS)
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$(CC) -o $@ $(OBJECTS)
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clean :
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$(RM) $(OBJECTS) $(TARGET) helloworld.o core
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main.o : main.c common.h
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print.o : print.c common.h
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input.o : input.c common.h

‎Chapter2/makefile1‎

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test :
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gcc -o test main.c print.c input.c

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