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Cleaned unicorn speedtest sample README

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Damiano Melotti 2022-01-17 17:38:46 +01:00
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40
unicorn_mode/samples/speedtest/README.md
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@ -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
```