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Add dwarf dump cmd

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This commit is contained in:
Luke Street
2023-02-14 21:50:23 -05:00
parent 36e609eab7
commit f1b4afa885
5 changed files with 314 additions and 184 deletions
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16
src/util/dwarf.rs
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@@ -777,13 +777,14 @@ pub fn struct_def_string(
Some(name) => format!("struct {} {{\n", name),
None => "struct {\n".to_string(),
};
writeln!(out, "\t// total size: {:#X}", t.byte_size)?;
for member in &t.members {
let ts = type_string(tags, typedefs, &member.kind)?;
write!(out, "\t{} {}{}", ts.prefix, member.name, ts.suffix)?;
if let Some(bit) = &member.bit {
write!(out, " : {}", bit.bit_size)?;
}
write!(out, ";\n")?;
write!(out, "; // offset {:#X}, size {:#X}\n", member.offset, member.kind.size(tags)?)?;
}
write!(out, "}}")?;
Ok(out)
@@ -844,7 +845,7 @@ pub fn fund_type_string(ft: FundType) -> Result<&'static str> {
})
}
fn process_offset(block: &[u8]) -> Result<u32> {
pub fn process_offset(block: &[u8]) -> Result<u32> {
if block.len() == 6 && block[0] == LocationOp::Const as u8 && block[5] == LocationOp::Add as u8
{
Ok(u32::from_be_bytes(block[1..5].try_into()?))
@@ -861,6 +862,17 @@ pub fn process_address(block: &[u8]) -> Result<u32> {
}
}
pub fn process_variable_location(block: &[u8]) -> Result<String> {
// TODO: float regs
if block.len() == 5 && block[0] == LocationOp::Register as u8 {
Ok(format!("r{}", u32::from_be_bytes(block[1..].try_into()?)))
} else if block.len() == 11 && block[0] == LocationOp::BaseRegister as u8 && block[5] == LocationOp::Const as u8 && block[10] == LocationOp::Add as u8 {
Ok(format!("r{}+{:#X}", u32::from_be_bytes(block[1..5].try_into()?), u32::from_be_bytes(block[6..10].try_into()?)))
} else {
Err(anyhow!("Unhandled location data {:?}, expected variable loc", block))
}
}
pub fn ud_type(tags: &TagMap, tag: &Tag) -> Result<UserDefinedType> {
match tag.kind {
TagKind::ArrayType => {