`e00ea8a`

Add output section model

Authored by mfwolffe <wolffemf@dukes.jmu.edu> 4 weeks ago

SHA: e00ea8a9ed5fb4bb97f047e0a7877eb3c461fc94
Parents: 1f6d509
Tree: f65cf04

2 changed files

Status	File	+	-
M	`src/macho/mod.rs`	1	0
M	`src/section.rs`	67	0

src/macho/mod.rsmodified

  pub mod reader;
  pub mod tbd;
  pub mod tbd_yaml;
 +pub mod writer;

src/section.rsmodified

  use crate::macho::constants::*;
  use crate::macho::reader::{name16_str, ReadError, Section64Header};
 +use crate::resolve::AtomId;
  #[derive(Debug, Clone, Copy, PartialEq, Eq)]
  pub enum SectionKind {
+     }
+ }
 +// ---------------------------------------------------------------------------
 +// Output layout model — populated by Sprint 10's layout pass.
 +// ---------------------------------------------------------------------------
++
 +#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)]
 +pub struct OutputSectionId(pub u32);
++
 +#[derive(Debug, Clone, Copy, PartialEq, Eq)]
 +pub struct Prot(u32);
++
 +impl Prot {
 +    pub const NONE: Prot = Prot(0);
 +    pub const READ: Prot = Prot(1);
 +    pub const WRITE: Prot = Prot(2);
 +    pub const EXECUTE: Prot = Prot(4);
 +    pub const READ_ONLY: Prot = Prot(Self::READ.0);
 +    pub const READ_WRITE: Prot = Prot(Self::READ.0 | Self::WRITE.0);
 +    pub const READ_EXECUTE: Prot = Prot(Self::READ.0 | Self::EXECUTE.0);
++
 +    pub fn bits(self) -> u32 {
 +        self.0
 +    }
 +}
++
 +#[derive(Debug, Clone, PartialEq, Eq)]
 +pub struct OutputAtom {
 +    pub atom: AtomId,
 +    pub offset: u64,
 +    pub size: u64,
 +    pub data: Vec<u8>,
 +}
++
 +#[derive(Debug, Clone, PartialEq, Eq)]
 +pub struct OutputSection {
 +    pub segment: String,
 +    pub name: String,
 +    pub kind: SectionKind,
 +    pub align_pow2: u8,
 +    pub flags: u32,
 +    pub reserved1: u32,
 +    pub reserved2: u32,
 +    pub reserved3: u32,
 +    pub atoms: Vec<OutputAtom>,
 +    pub addr: u64,
 +    pub size: u64,
 +    pub file_off: u64,
 +}
++
 +#[derive(Debug, Clone, PartialEq, Eq)]
 +pub struct OutputSegment {
 +    pub name: String,
 +    pub sections: Vec<OutputSectionId>,
 +    pub vm_addr: u64,
 +    pub vm_size: u64,
 +    pub file_off: u64,
 +    pub file_size: u64,
 +    pub init_prot: Prot,
 +    pub max_prot: Prot,
 +}
++
 +impl OutputSection {
 +    pub fn is_zerofill(&self) -> bool {
 +        is_zerofill(self.kind)
 +    }
 +}
++
  #[cfg(test)]
  mod tests {
      use super::*;