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use crate::{is_blacklisted_instruction, is_variant_instruction, relocatable_regions};
use binaryninja::basic_block::BasicBlock;
use binaryninja::disassembly::DisassemblyTextLine;
use binaryninja::function::{HighlightColor, HighlightStandardColor, NativeBlock};
use binaryninja::low_level_il::instruction::LowLevelInstructionIndex;
use binaryninja::render_layer::{register_render_layer, RenderLayer};
pub struct HighlightRenderLayer {}
impl HighlightRenderLayer {
pub fn register() {
register_render_layer(
"WARP Highlight Layer",
HighlightRenderLayer {},
Default::default(),
);
}
}
impl RenderLayer for HighlightRenderLayer {
fn apply_to_llil_block(
&self,
block: &BasicBlock<NativeBlock>,
mut lines: Vec<DisassemblyTextLine>,
) -> Vec<DisassemblyTextLine> {
// Highlight any LLIL instruction that will be masked by WARP.
let function = block.function();
// TODO: We might need to make relocatable regions configurable.
let relocatable_regions = relocatable_regions(&function.view());
let Ok(llil) = function.low_level_il() else {
// Don't even think this is possible but _shrug_.
return lines;
};
for line in &mut lines {
let llil_instr_idx = LowLevelInstructionIndex(line.instruction_index);
if let Some(llil_instr) = llil.instruction_from_index(llil_instr_idx) {
if is_blacklisted_instruction(&llil_instr) {
// We have a blacklisted instruction, highlight it as orange!
line.highlight = HighlightColor::StandardHighlightColor {
color: HighlightStandardColor::OrangeHighlightColor,
alpha: 155,
};
} else if is_variant_instruction(&relocatable_regions, &llil_instr) {
// We have a variant instruction, highlight it as red!
line.highlight = HighlightColor::StandardHighlightColor {
color: HighlightStandardColor::RedHighlightColor,
alpha: 155,
};
}
}
}
lines
}
}
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