# Functions
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# Constants
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*
常量数据结构如下
cp_info {
u1 tag; -> 用来区分常量类型
u2 Info[];
}
*/.
*
常量数据结构如下
cp_info {
u1 tag; -> 用来区分常量类型
u2 Info[];
}
*/.
*
常量数据结构如下
cp_info {
u1 tag; -> 用来区分常量类型
u2 Info[];
}
*/.
*
常量数据结构如下
cp_info {
u1 tag; -> 用来区分常量类型
u2 Info[];
}
*/.
*
常量数据结构如下
cp_info {
u1 tag; -> 用来区分常量类型
u2 Info[];
}
*/.
*
常量数据结构如下
cp_info {
u1 tag; -> 用来区分常量类型
u2 Info[];
}
*/.
*
常量数据结构如下
cp_info {
u1 tag; -> 用来区分常量类型
u2 Info[];
}
*/.
*
常量数据结构如下
cp_info {
u1 tag; -> 用来区分常量类型
u2 Info[];
}
*/.
*
常量数据结构如下
cp_info {
u1 tag; -> 用来区分常量类型
u2 Info[];
}
*/.
*
常量数据结构如下
cp_info {
u1 tag; -> 用来区分常量类型
u2 Info[];
}
*/.
*
常量数据结构如下
cp_info {
u1 tag; -> 用来区分常量类型
u2 Info[];
}
*/.
*
常量数据结构如下
cp_info {
u1 tag; -> 用来区分常量类型
u2 Info[];
}
*/.
*
常量数据结构如下
cp_info {
u1 tag; -> 用来区分常量类型
u2 Info[];
}
*/.
*
常量数据结构如下
cp_info {
u1 tag; -> 用来区分常量类型
u2 Info[];
}
*/.
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# Variables
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# Structs
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*
jvm中定义了u1，u2，u4来表示1，2，4字节的 无 符号整数
相同类型的多条数据一般按表的形式存储在class文件中，由表头和表项构成，表头是u2或者u4整数。
假设表头为10，后面就紧跟着10个表项数据
*/.
*
CODE_ATTRIBUTE {
u2 attribute_name_index;
u4 attribute_length;
u2 max_stack; -> 操作数栈的最大深度
u2 max_locals; -> 局部变量表大小
u4 code_length;
u1 Code[code_length];
u2 exception_table_length;
{
u2 start_pc;
u2 end_pc;
u2 handle_pc;
u2 catch_type;
} exception_table[exception_table_length];
u2 attributes_count;
attribute_info Attributes[attributes_count]
}
*/.
*
CONSTANT_CLASS_INFO {
u1 tag;
u2 name_index;
}
*/.
*
常量池中double
同样特殊 八字节
CONSTANT_DOUBLE_INFO {
u1 tag;
u4 high_bytes;
u4 low_bytes;
}
*/.
*
字段符号引用
CONSTANT_FIELDREF_INFO {
u1 tag;
u2 class_index;
u2 name_and_type_index;
}
*/.
*
常量池中float
四字节
CONSTANT_FLOAT_INFO {
u1 tag;
u4 bytes;
}
*/.
*
常量池中integer
四字节存储整数常量
CONSTANT_INTEGER_INFO {
u1 tag;
u4 bytes;
}
*/.
*
接口方法符号引用
CONSTANT_INTERFACEMETHODREF_INFO {
u1 tag;
u2 class_index;
u2 name_and_type_index;
}
*/.
CONSTANT_InvokeDynamic_info {
u1 tag;
u2 bootstrap_method_attr_index;
u2 name_and_type_index;
}
*/.
*
常量池中long
特殊一些 八字节，分成高8字节和低8字节
CONSTANT_LONG_INFO {
u1 tag;
u4 high_bytes;
u4 low_bytes;
}
*/.
*
ConstantFieldrefInfo、ConstantMethodrefInfo、ConstantInterfaceMethodrefInfo
这三个结构体继承自ConstantMemberrefInfo
Go语言没有“继承”的概念，而是通过结构体嵌套的方式实现的
*/.
CONSTANT_MethodHandle_info {
u1 tag;
u1 reference_kind;
u2 reference_index;
}
*/.
*
普通（非接口）方法符号引用
CONSTANT_METHODREF_INFO {
u1 tag;
u2 class_index;
u2 name_and_type_index;
}
*/.
CONSTANT_MethodType_info {
u1 tag;
u2 descriptor_index;
}
*/.
*
给出字段或方法的名称和描述符
CONSTANT_NAMEANDTYPE_INFO {
u1 tag;
u2 name_index;
u2 descriptor_index
}
*/.
*
string info本身不存储字符串，只存了常量池索引，这个索引指向一个CONSTANT_UTF8_INFO。
CONSTANT_STRING_INFO {
u1 tag;
u2 string_index;
}
*/.
*
CONSTANT_UTF8_INFO {
u1 tag;
u2 Length;
u1 bytes[Length];
}
*/.
*
CONSTANTVALUE_ATTRIBUTE {
u2 attribute_name_index;
u4 attribute_length;
u2 constantvalue_index;
}
*/.
*
用于支持@Deprecated注解
*/.
*
记录方法抛出的异常表
EXCEPTIONS_ATTRIBUTE {
u2 attribute_name_index;
u4 attribute_length;
u2 number_of_exceptions;
u2 exception_index_table[number_of_exceptions];
}
*/.
*
异常表
*/.
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*
存放方法的行号信息，是调试信息
LINE_NUMBER_TABLE_ATTRIBUTE {
u2 attribute_name_index;
u4 attribute_length;
u2 line_number_table_length;
{
u2 start_pc;
u2 lint_number;
} line_number_table[line_number_table_length];
}
*/.
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*
上面两个struct的父类，其中没有任何数据
*/.
*
字段/方法
*/.
源文件属性.
*
用来标记源文件中不存在的、由编译器生成的类成员，主要为了支持嵌套类（内部类）和嵌套接口
*/.
没解析的属性.
# Interfaces
*
属性表，储存了方法的字节码等信息
attribute_info {
u2 attribute_name_index;
u4 attribute_length;
u1 Info[attribute_length];
}
*/.
*
constant info类型的接口
*/.