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| -rw-r--r-- | unicorn_mode/samples/speedtest/README.md | 40 |
1 files changed, 4 insertions, 36 deletions
diff --git a/unicorn_mode/samples/speedtest/README.md b/unicorn_mode/samples/speedtest/README.md index 9305417c..f46a5772 100644 --- a/unicorn_mode/samples/speedtest/README.md +++ b/unicorn_mode/samples/speedtest/README.md @@ -6,6 +6,10 @@ to show the raw speed of C, Rust, and Python harnesses. ## Compiling... Make sure you built unicornafl first (`../../build_unicorn_support.sh`). +Build the target using the provided Makefile. +This will also run the [./get_offsets.py](./get_offsets.py) script, +which finds some relevant addresses in the target binary using `objdump`, +and dumps them to different files. Then, follow these individual steps: ### Rust @@ -34,39 +38,3 @@ cd python ## Results TODO: add results here. - -## Compiling speedtest_target.c - -You shouldn't need to compile simple_target.c since a X86_64 binary version is -pre-built and shipped in this sample folder. This file documents how the binary -was built in case you want to rebuild it or recompile it for any reason. - -The pre-built binary (simple_target_x86_64.bin) was built using -g -O0 in gcc. - -Then load the binary and execute the main function directly. - -## Addresses for the harness - -To find the address (in hex) of main, run: - -```bash -objdump -M intel -D target | grep '<main>:' | cut -d" " -f1 -``` - -To find all call sites to magicfn, run: - -```bash -objdump -M intel -D target | grep '<magicfn>$' | cut -d":" -f1 -``` - -For malloc callsites: - -```bash -objdump -M intel -D target | grep '<malloc@plt>$' | cut -d":" -f1 -``` - -And free callsites: - -```bash -objdump -M intel -D target | grep '<free@plt>$' | cut -d":" -f1 -``` \ No newline at end of file |