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https://github.com/SpartanJ/eepp.git
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4718a52423
Added support for SmallVector using svector (and we are already using it in a couple of places). Added debug symbol inspector script for the new SmallVector in project/scripts/debug. Added tilde support for files and folders passed as parameters from the CLI in ecode (and added FileSystem::expandTilde). Fixed a bug in "light-dark" parsing.
65 lines
2.1 KiB
Markdown
65 lines
2.1 KiB
Markdown
# eepp Debugger Scripts
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This directory contains Python scripts for GDB and LLDB to make debugging the `eepp` framework easier.
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Specifically, these scripts provide "pretty-printers" for custom, highly-optimized data structures like `EE::SmallVector`. Because `EE::SmallVector` uses advanced bit-packing and tagged pointers to minimize stack overhead, it can look like unreadable memory in a raw debugger. These scripts unmask the data so it reads exactly like a standard `std::vector`.
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## GDB (GNU Debugger)
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To make GDB automatically format `EE::SmallVector` objects, you need to load the `eepp_gdb.py` script.
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### Option 1: Auto-Load for all eepp projects (Recommended)
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Add the following line to your `~/.gdbinit` file to load the pretty-printers automatically every time you start GDB. Make sure to replace `/path/to/eepp` with your actual local path:
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```
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python exec(open("/path/to/eepp/projects/scripts/debug/eepp_gdb.py").read())
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```
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### Option 2: Manual Load (Per Session)
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If you only want to load it for a specific debugging session, run this command inside the GDB prompt:
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```
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(gdb) source /path/to/eepp/projects/scripts/debug/eepp_gdb.py
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```
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## LLDB (Clang)
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LLDB uses a different Python API for formatting variables. Use the eepp_lldb.py script to get clean summaries and expandable array elements.
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### Option 1: Auto-Load for all eepp projects (Recommended)
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Add this line to your `~/.lldbinit` file so LLDB automatically imports the formatting rules:
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```
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command script import /path/to/eepp/projects/scripts/debug/eepp_lldb.py
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```
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### Option 2: Manual Load (Per Session)
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To load the script manually while LLDB is running, use this command in the LLDB prompt:
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```
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(lldb) command script import /path/to/eepp/projects/scripts/debug/eepp_lldb.py
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```
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## Verification
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Once loaded, an `EE::SmallVector` containing elements will display cleanly in your watch window or terminal output:
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### Without the script:
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```
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clientsCopy = { m_data = { _M_elems = "\x07\x00\x00..." } }
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```
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### With the script:
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`clientsCopy = [Direct] size=3`
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`[0] = 0x00007fffffff1230`
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`[1] = 0x00007fffffff1280`
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`[2] = 0x00007fffffff12a0`
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