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diff --git a/src/lib.rs b/src/lib.rs
index 10921be..b742c0a 100644
-use addr2line::{fallible_iterator::FallibleIterator, Loader};
+use addr2line::{
+ fallible_iterator::FallibleIterator,
+ gimli::{self, ReaderOffset},
+ Frame, Loader,
+};
use anyhow::{anyhow, Result};
use byteorder::{LittleEndian, ReadBytesExt};
use cargo_metadata::MetadataCommand;
s
}
+ // type DwDieOffset = u64;
+ // type FuncName = String;
+ // type FileName = String;
+ // type LineNum = u32;
+ // type Column = Option<u32>;
+
+ pub struct FrameDetails<'a> {
+ dw_die_offset: Option<u64>,
+ demangled_function_name: Option<String>,
+ file_name: Option<&'a str>,
+ line_num: Option<u32>,
+ column: Option<u32>,
+ }
+
+ fn get_frame_details<'a, R: gimli::Reader>(frame: &Frame<'a, R>) -> FrameDetails<'a> {
+ let dw_die_offset = frame
+ .dw_die_offset
+ .map(|inner| Some(inner.0.into_u64()))
+ .unwrap_or(None);
+ let demangled_function_name = frame.function.as_ref().map(|inner| {
+ inner
+ .demangle()
+ .unwrap_or("cant_demangle".into())
+ .to_string()
+ });
+ let file_name = frame
+ .location
+ .as_ref()
+ .map(|inner| inner.file)
+ .unwrap_or(None);
+ let line_num = frame
+ .location
+ .as_ref()
+ .map(|inner| inner.line)
+ .unwrap_or(None);
+ let column = frame
+ .location
+ .as_ref()
+ .map(|inner| inner.column)
+ .unwrap_or(None);
+ FrameDetails {
+ dw_die_offset,
+ demangled_function_name,
+ file_name,
+ line_num,
+ column,
+ }
+ }
+
+ #[derive(PartialEq)]
+ pub enum Branch {
+ NextNotTaken,
+ GotoNotTaken,
+ };
+
+ fn write_branch_lcov(file: &str, line: u32, taken: Branch) {
+ let content = if taken == Branch::NextNotTaken {
+ format!(
+ "
+SF:{file}
+DA:{line},1
+BRDA:{line},0,0,0
+BRDA:{line},0,1,1
+end_of_record
+"
+ )
+ } else {
+ format!(
+ "
+SF:{file}
+DA:{line},1
+BRDA:{line},0,0,1
+BRDA:{line},0,1,0
+end_of_record
+"
+ )
+ };
+ let mut lcov_file = OpenOptions::new()
+ .create(true)
+ .append(true)
+ .open(format!("sbf_trace_dir/1.lcov"))
+ .expect("cannot open file");
+ if file.contains("vault") {
+ let _ = lcov_file.write_all(content.as_bytes());
+ }
+ }
+
for (i, vaddr) in vaddrs.iter().enumerate() {
let mut indent = 0;
let frames = dwarf.loader.find_frames(*vaddr);
regs[i],
);
+ let outer_fn_name = func.demangle().unwrap_or("".into()).to_string();
if indent == 0 {
// only for the first pc coz the inners are just stack frames
let ins = insns[i].to_be_bytes();
let goto_taken = vaddrs.iter().find(|e| **e == goto_pc).is_some();
if next_taken == false || goto_taken == false {
eprintln!(
- "pcs_file: {}",
+ "\tpcs_file: {}",
pcs_path.to_string_lossy().to_string()
);
}
if next_taken == false {
if let Ok(Some(frame)) = frames.peek() {
- if let Some(location) = &frame.location {
- let caller_file = location.file;
- let caller_line = location.line;
-
- match (caller_file, caller_line) {
- (Some(file), Some(line)) => {
- eprintln!("\t next branch @0x{:x} not taken! Caller: {}:{}", next_pc, file, line);
- let content = format!(
- "
-SF:{file}
-DA:{line},1
-BRDA:{line},0,0,0
-BRDA:{line},0,1,1
-end_of_record
-"
- );
- let mut lcov_file = OpenOptions::new()
- .create(true)
- .append(true)
- .open(format!("sbf_trace_dir/1.lcov"))
- .expect("cannot open file");
- if file.contains("vault") {
- let _ =
- lcov_file.write_all(content.as_bytes());
- }
- }
- _ => {}
+ let frame_details = get_frame_details(&frame);
+
+ match (frame_details.file_name, frame_details.line_num) {
+ (Some(file), Some(line)) => {
+ eprintln!(
+ "outer fn: {}, inner fn: {:?}",
+ outer_fn_name,
+ frame_details.demangled_function_name
+ );
+ eprintln!(
+ "\t next @0x{:x} not taken! Caller: {:?}@{}:{}",
+ next_pc,
+ frame_details.demangled_function_name,
+ file,
+ line
+ );
+ write_branch_lcov(file, line, Branch::NextNotTaken);
}
+ _ => {}
}
} else {
eprintln!(
}
if goto_taken == false {
if let Ok(Some(frame)) = frames.peek() {
- if let Some(location) = &frame.location {
- let caller_file = location.file;
- let caller_line = location.line;
-
- match (caller_file, caller_line) {
- (Some(file), Some(line)) => {
- eprintln!(
- "\t goto branch @0x{:x} not taken!, Caller: {}:{}",
- goto_pc, file, line
+ let frame_details = get_frame_details(&frame);
+ eprintln!(
+ "outer fn: {}, inner fn: {:?}",
+ outer_fn_name, frame_details.demangled_function_name
+ );
+ match (frame_details.file_name, frame_details.line_num) {
+ (Some(file), Some(line)) => {
+ eprintln!(
+ "\t goto branch @0x{:x} not taken!, Caller: {:?}@{}:{}",
+ goto_pc, frame_details.demangled_function_name, file, line
);
- let content = format!(
- "
-SF:{file}
-DA:{line},1
-BRDA:{line},0,0,1
-BRDA:{line},0,1,0
-end_of_record
-"
- );
- let mut lcov_file = OpenOptions::new()
- .create(true)
- .append(true)
- .open(format!("sbf_trace_dir/1.lcov"))
- .expect("cannot open file");
- if file.contains("vault") {
- let _ =
- lcov_file.write_all(content.as_bytes());
- }
- }
- _ => {}
+ write_branch_lcov(file, line, Branch::GotoNotTaken);
}
+ _ => {}
}
} else {
eprintln!(