🆕 在shell中启动另一个程序

user/apps/about/Makefile

@@ -1,6 +1,6 @@
 all: about.o
 
-	ld -b elf64-x86-64 -z muldefs -o $(tmp_output_dir)/about  $(shell find . -name "*.o") $(shell find $(sys_libs_dir) -name "*.o") -T shell.lds
+	ld -b elf64-x86-64 -z muldefs -o $(tmp_output_dir)/about  $(shell find . -name "*.o") $(shell find $(sys_libs_dir) -name "*.o") -T about.lds
 
 	objcopy -I elf64-x86-64 -S -R ".eh_frame" -R ".comment" -O elf64-x86-64 $(tmp_output_dir)/about $(output_dir)/about.elf
 about.o: about.c

user/apps/about/about.c

@@ -3,5 +3,6 @@
 int main()
 {
     printf("Hello World!\n");
+    exit(0);
     while(1);
 }

user/apps/about/about.lds

@@ -0,0 +1,50 @@
+
+OUTPUT_FORMAT("elf64-x86-64","elf64-x86-64","elf64-x86-64")
+OUTPUT_ARCH(i386:x86-64)
+ENTRY(main)
+
+SECTIONS
+{
+
+	. = 0x800000;
+	
+	
+	.text :
+	{
+		_text = .;
+		
+		*(.text)
+		
+		_etext = .;
+	}
+	. = ALIGN(8);
+	
+	.data :
+	{
+		_data = .;
+		*(.data)
+		
+		_edata = .;
+	}
+
+
+	rodata_start_pa = .;
+	.rodata :
+	{
+		_rodata = .;	
+		*(.rodata)
+		_erodata = .;
+	}
+
+	
+	.bss :
+	{
+		_bss = .;
+		*(.bss)
+		_ebss = .;
+	}
+
+	_end = .;
+
+
+}