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refactor(vm): remove dead code from ELF parser #555

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refactor(vm): remove dead code from ELF parser #555

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42 changes: 1 addition & 41 deletions vm/src/elf/parser.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -307,26 +307,10 @@ fn parse_segment_content(
Ok(())
}

/// Represents a precompile description as found in the ELF file.
#[derive(PartialEq, Eq)]
pub struct PrecompileDescription<'a>(u16, &'a str);

impl PartialOrd for PrecompileDescription<'_> {
fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
Some(self.0.cmp(&other.0))
}
}

impl Ord for PrecompileDescription<'_> {
fn cmp(&self, other: &Self) -> std::cmp::Ordering {
self.0.cmp(&other.0)
}
}

/// Parses the precompile metadata from the ELF file. This function finds all symbols that indicate
/// pieces of precompile metadata and then ensures that there is a complete contiguous set of unique
/// precompiles labeled 0 though N-1 via heapification.
#[allow(dead_code)]
#[cfg(test)]
fn parse_precompile_metadata(
elf: &ElfBytes<LittleEndian>,
data: &[u8],
Expand Down Expand Up @@ -428,30 +412,6 @@ fn parse_precompile_metadata(
Ok(precompiles)
}

#[allow(dead_code)]
fn debug_segment_info(segment: &ProgramHeader, section_map: &HashMap<&str, (u64, u64)>) {
println!("Program Header Information:");
println!(" Segment Type: 0x{:08x}", segment.p_type);
println!(" File Offset: 0x{:016x}", segment.p_offset);
println!(" Virtual Address: 0x{:016x}", segment.p_vaddr);
println!(" Physical Address: 0x{:016x}", segment.p_paddr);
println!(" File Size: {} bytes", segment.p_filesz);
println!(" Memory Size: {} bytes", segment.p_memsz);
println!(" Flags: 0x{:08x}", segment.p_flags);
println!(" Alignment: 0x{:016x}", segment.p_align);
println!(
" LOADABLE: 0x{:08x} -> 0x{:08x}",
segment.p_offset,
segment.p_offset + segment.p_filesz
);

for (key, (start, end)) in section_map {
if !(*end < segment.p_offset || *start > segment.p_offset + segment.p_filesz) {
println!("Section {}: 0x{:08x} -> 0x{:08x}", key, start, end);
}
}
}

/// Parses the segments of an ELF file and extracts relevant information.
///
/// This function iterates through the LOAD segments of the ELF file, extracting
Expand Down
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