From df47eba450e23c9de8b75f262b8db3252b778f02 Mon Sep 17 00:00:00 2001
From: Ciro Santilli <ciro.santilli@gmail.com>
Date: Wed, 5 Sep 2018 09:47:12 +0100
Subject: [PATCH] failed attempt at trace2line

---
 bisect-linux-boot-gem5 |  2 +-
 trace2line             | 75 +++++++++++++++++++++++++++++-------------
 2 files changed, 54 insertions(+), 23 deletions(-)

diff --git a/bisect-linux-boot-gem5 b/bisect-linux-boot-gem5
index adf144a..6e28652 100755
--- a/bisect-linux-boot-gem5
+++ b/bisect-linux-boot-gem5
@@ -3,7 +3,7 @@
 while getopts "h${common_getopts_flags}" OPT; do
   case "$OPT" in
     h)
-      echo "https://github.com/cirosantilli/linux-kernel-module-cheat#getvar" 2>&1
+      echo "https://github.com/cirosantilli/linux-kernel-module-cheat#bisection" 2>&1
       exit
       ;;
     ?)
diff --git a/trace2line b/trace2line
index f4b4404..1f8dd98 100755
--- a/trace2line
+++ b/trace2line
@@ -1,22 +1,53 @@
-#!/usr/bin/env bash
-. "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/common"
-while getopts "${common_getopts_flags}" OPT; do
-  case "$OPT" in
-    ?)
-      common_getopts_case "$OPT"
-      ;;
-  esac
-done
-common_setup
-kernel_dir="${common_build_dir}/linux-custom"
-(
-  if "$common_gem5"; then
-    sed -r 's/^.* (0x[^. ]*)[. ].*/\1/' "$common_trace_txt_file"
-  else
-    sed -r 's/.*pc=//' "$common_trace_txt_file"
-  fi
-) | \
-  xargs "${common_host_dir}/bin/${common_arch}-linux-addr2line" -e "${common_vmlinux}" -fp | \
-  sed -E "s|at ${kernel_dir}/(\./\|)||" | \
-  uniq -c \
-> "${common_run_dir}/trace-lines.txt"
+#!/usr/bin/env python3
+
+import os
+import re
+import subprocess
+import sys
+
+import common
+
+parser = common.get_argparse(argparse_args={
+    'description': 'Convert an execution trace containing PC values into the Linux kernel linex executed'
+})
+args = common.setup(parser)
+if args.gem5:
+    def get_pc(line):
+        # pc_re = 
+        # stdin = sed -r 's/^.* (0x[^. ]*)[. ].*/\1/' "$common_trace_txt_file")
+        pass
+else:
+    def get_pc(line):
+        return line.split('=')[-1]
+with \
+        subprocess.Popen(
+            [
+                common.get_toolchain_tool('addr2line'),
+                '-e',
+                common.vmlinux,
+                '-f',
+                '-p',
+            ],
+            stdout=subprocess.PIPE,
+            stdin=subprocess.PIPE,
+        ) as proc, \
+        open(common.trace_txt_file, 'r') as infile, \
+        open(os.path.join(common.run_dir, 'trace-lines.txt'), 'w') as outfile \
+    :
+    i = 0;
+    __import__('ipdb').set_trace()
+    for in_line in infile:
+        print(i)
+        proc.stdin.write(get_pc(in_line).encode())
+        proc.stdin.flush()
+        stdout = proc.stdout.read()
+        outfile.write(stdout.decode())
+        i+=1
+
+    # sed -E "s|at ${common.linux_build_dir}/(\./\|)||"
+    # uniq -c
+
+
+
+
+# sys.exit()