DosHeader

Struct DosHeader 

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pub struct DosHeader {
Show 19 fields pub e_magic: u16, pub e_cblp: u16, pub e_cp: u16, pub e_crlc: u16, pub e_cparhdr: u16, pub e_min_allocate: u16, pub e_max_allocate: u16, pub e_ss: u16, pub e_sp: u16, pub e_check_sum: u16, pub e_ip: u16, pub e_cs: u16, pub e_lfarlc: u16, pub e_ovno: u16, pub e_res: [u16; 4], pub e_oem_id: u16, pub e_oem_info: u16, pub e_res2: [u16; 10], pub e_lfanew: u32,
}
Expand description

DOS 头结构

包含 DOS 可执行文件的基本信息,是 PE 文件的第一个结构。 虽然现代 Windows 程序不运行在 DOS 模式下,但 PE 格式仍保留这个结构用于兼容性。

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§e_magic: u16

DOS 签名,通常为 0x5A4D(“MZ”)

§e_cblp: u16

文件最后页的字节数

§e_cp: u16

文件的总页数

§e_crlc: u16

重定位项的数量

§e_cparhdr: u16

段落中头部的大小

§e_min_allocate: u16

所需的最小段落数

§e_max_allocate: u16

所需的最大段落数

§e_ss: u16

初始的 SS 寄存器值

§e_sp: u16

初始的 SP 寄存器值

§e_check_sum: u16

校验和

§e_ip: u16

初始的 IP 寄存器值

§e_cs: u16

初始的 CS 寄存器值

§e_lfarlc: u16

重定位表的文件偏移

§e_ovno: u16

覆盖号

§e_res: [u16; 4]

保留字段,通常为 0

§e_oem_id: u16

OEM 标识符

§e_oem_info: u16

OEM 信息

§e_res2: [u16; 10]

保留字段,通常为 0

§e_lfanew: u32

PE 头的文件偏移,指向真正的 PE 结构

Implementations§

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impl DosHeader

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pub fn read<R: Read>(reader: R) -> Result<Self, GaiaError>

从二进制读取器中读取 DOS 头

§Arguments
  • lexer - 二进制读取器
§Returns

返回 DOS 头结构或错误

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impl DosHeader

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pub fn new(header_offset: u32) -> Self

创建一个标准的 DOS 头,指定 PE 头的偏移

Trait Implementations§

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impl Clone for DosHeader

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fn clone(&self) -> DosHeader

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for DosHeader

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for DosHeader

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for DosHeader

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Serialize for DosHeader

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl Copy for DosHeader

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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type Error = <U as TryFrom<T>>::Error

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