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Merge pull request #90 from Etto48:feature/custom_header
Feature/custom_header
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| use super::header_parser_info::HeaderParserInfo; | ||
|
|
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| #[derive(Debug, Clone, Default)] | ||
| pub struct ExportedHeaderParsers { | ||
| pub parsers: Vec<HeaderParserInfo>, | ||
| } | ||
|
|
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| impl ExportedHeaderParsers { | ||
| pub fn add_header_parser(&mut self, parser: String) { | ||
| self.parsers.push(HeaderParserInfo { parser }); | ||
| } | ||
|
|
||
| pub fn remove_header_parser(&mut self, parser: &str) -> bool { | ||
| if let Some(index) = self.parsers.iter().position(|c| c.parser == parser) { | ||
| self.parsers.remove(index); | ||
| true | ||
| } else { | ||
| false | ||
| } | ||
| } | ||
|
|
||
| pub fn take(&mut self) -> Self { | ||
| std::mem::take(self) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,144 @@ | ||
| use std::collections::HashMap; | ||
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|
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| use mlua::UserData; | ||
| use object::{Architecture, Endianness}; | ||
|
|
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| use crate::headers::{bitness::Bitness, custom_header::CustomHeader, section::Section}; | ||
|
|
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| #[derive(Debug, Clone, Default)] | ||
| pub struct HeaderContext { | ||
| pub bitness: Option<Bitness>, | ||
| pub endianness: Option<Endianness>, | ||
| pub entry: Option<u64>, | ||
| pub architecture: Option<Architecture>, | ||
| pub sections: Vec<Section>, | ||
| pub symbols: HashMap<u64, String>, | ||
| } | ||
|
|
||
| impl HeaderContext { | ||
| pub fn try_into_custom_header(self) -> Option<CustomHeader> { | ||
| if let (Some(bitness), Some(endianness), Some(entry), Some(architecture)) = | ||
| (self.bitness, self.endianness, self.entry, self.architecture) | ||
| { | ||
| let symbols_by_name = self.symbols.iter().map(|(k, v)| (v.clone(), *k)).collect(); | ||
| Some(CustomHeader { | ||
| bitness, | ||
| entry, | ||
| endianness, | ||
| architecture, | ||
| sections: self.sections, | ||
| symbols: self.symbols, | ||
| symbols_by_name, | ||
| }) | ||
| } else { | ||
| None | ||
| } | ||
| } | ||
| } | ||
|
|
||
| impl UserData for HeaderContext { | ||
| fn add_methods<'lua, M: mlua::UserDataMethods<'lua, Self>>(methods: &mut M) { | ||
| methods.add_method_mut("set_bitness", |_, this, bitness: u8| { | ||
| if this.bitness.is_some() { | ||
| Err(mlua::Error::external("bitness already set")) | ||
| } else { | ||
| match bitness { | ||
| 32 => { | ||
| this.bitness = Some(Bitness::Bit32); | ||
| Ok(()) | ||
| } | ||
| 64 => { | ||
| this.bitness = Some(Bitness::Bit64); | ||
| Ok(()) | ||
| } | ||
| _ => Err(mlua::Error::external("invalid bitness")), | ||
| } | ||
| } | ||
| }); | ||
|
|
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| methods.add_method_mut("set_entry", |_, this, entry_point: u64| { | ||
| if this.entry.is_some() { | ||
| Err(mlua::Error::external("entry point already set")) | ||
| } else { | ||
| this.entry = Some(entry_point); | ||
| Ok(()) | ||
| } | ||
| }); | ||
|
|
||
| methods.add_method_mut("set_endianness", |_, this, endianness: String| { | ||
| if this.endianness.is_some() { | ||
| Err(mlua::Error::external("endianness already set")) | ||
| } else { | ||
| match endianness.as_str() { | ||
| "little" => { | ||
| this.endianness = Some(Endianness::Little); | ||
| Ok(()) | ||
| } | ||
| "big" => { | ||
| this.endianness = Some(Endianness::Big); | ||
| Ok(()) | ||
| } | ||
| _ => Err(mlua::Error::external("invalid endianness")), | ||
| } | ||
| } | ||
| }); | ||
|
|
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| methods.add_method_mut("set_architecture", |_, this, architecture: String| { | ||
| if this.architecture.is_some() { | ||
| Err(mlua::Error::external("architecture already set")) | ||
| } else { | ||
| let architecture = match architecture.as_str() { | ||
| "Unknown" => Architecture::Unknown, | ||
| "Aarch64" => Architecture::Aarch64, | ||
| "Aarch64_Ilp32" => Architecture::Aarch64_Ilp32, | ||
| "Arm" => Architecture::Arm, | ||
| "Avr" => Architecture::Avr, | ||
| "Bpf" => Architecture::Bpf, | ||
| "Csky" => Architecture::Csky, | ||
| "I386" => Architecture::I386, | ||
| "X86_64" => Architecture::X86_64, | ||
| "X86_64_X32" => Architecture::X86_64_X32, | ||
| "Hexagon" => Architecture::Hexagon, | ||
| "LoongArch64" => Architecture::LoongArch64, | ||
| "Mips" => Architecture::Mips, | ||
| "Mips64" => Architecture::Mips64, | ||
| "Msp430" => Architecture::Msp430, | ||
| "PowerPc" => Architecture::PowerPc, | ||
| "PowerPc64" => Architecture::PowerPc64, | ||
| "Riscv32" => Architecture::Riscv32, | ||
| "Riscv64" => Architecture::Riscv64, | ||
| "S390x" => Architecture::S390x, | ||
| "Sbf" => Architecture::Sbf, | ||
| "Sharc" => Architecture::Sharc, | ||
| "Sparc" => Architecture::Sparc, | ||
| "Sparc32Plus" => Architecture::Sparc32Plus, | ||
| "Sparc64" => Architecture::Sparc64, | ||
| "Wasm32" => Architecture::Wasm32, | ||
| "Wasm64" => Architecture::Wasm64, | ||
| "Xtensa" => Architecture::Xtensa, | ||
| _ => return Err(mlua::Error::external("invalid architecture")), | ||
| }; | ||
| this.architecture = Some(architecture); | ||
| Ok(()) | ||
| } | ||
| }); | ||
|
|
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| methods.add_method_mut( | ||
| "add_section", | ||
| |_, this, (name, virtual_address, file_offset, size): (String, u64, u64, u64)| { | ||
| this.sections.push(Section { | ||
| name, | ||
| virtual_address, | ||
| file_offset, | ||
| size, | ||
| }); | ||
| Ok(()) | ||
| }, | ||
| ); | ||
|
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| methods.add_method_mut("add_symbol", |_, this, (address, name): (u64, String)| { | ||
| this.symbols.insert(address, name); | ||
| Ok(()) | ||
| }); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| #[derive(Debug, Clone)] | ||
| pub struct HeaderParserInfo { | ||
| pub parser: String, | ||
| } |
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