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diff --git a/doc/developer-notes.md b/doc/developer-notes.md index 0a5a7066ab..1888897856 100644 --- a/doc/developer-notes.md +++ b/doc/developer-notes.md @@ -12,6 +12,7 @@ Developer Notes - [Generating Documentation](#generating-documentation) - [Development tips and tricks](#development-tips-and-tricks) - [Compiling for debugging](#compiling-for-debugging) + - [Show sources in debugging](#show-sources-in-debugging) - [Compiling for gprof profiling](#compiling-for-gprof-profiling) - [`debug.log`](#debuglog) - [Signet, testnet, and regtest modes](#signet-testnet-and-regtest-modes) @@ -253,6 +254,35 @@ Development tips and tricks Run configure with `--enable-debug` to add additional compiler flags that produce better debugging builds. +### Show sources in debugging + +If you have ccache enabled, absolute paths are stripped from debug information +with the -fdebug-prefix-map and -fmacro-prefix-map options (if supported by the +compiler). This might break source file detection in case you move binaries +after compilation, debug from the directory other than the project root or use +an IDE that only supports absolute paths for debugging. + +There are a few possible fixes: + +1. Configure source file mapping. + +For `gdb` create or append to `.gdbinit` file: +``` +set substitute-path ./src /path/to/project/root/src +``` + +For `lldb` create or append to `.lldbinit` file: +``` +settings set target.source-map ./src /path/to/project/root/src +``` + +2. Add a symlink to the `./src` directory: +``` +ln -s /path/to/project/root/src src +``` + +3. Use `debugedit` to modify debug information in the binary. + ### Compiling for gprof profiling Run configure with the `--enable-gprof` option, then make. @@ -999,6 +1029,9 @@ Current subtrees include: - Subtree at https://github.com/bitcoin-core/univalue-subtree ; maintained by Core contributors. - Deviates from upstream https://github.com/jgarzik/univalue. +- src/minisketch + - Upstream at https://github.com/sipa/minisketch ; maintained by Core contributors. + Upgrading LevelDB --------------------- @@ -1221,6 +1254,12 @@ A few guidelines for introducing and reviewing new RPC interfaces: - *Rationale*: User-facing consistency. +- Use `fs::path::u8string()` and `fs::u8path()` functions when converting path + to JSON strings, not `fs::PathToString` and `fs::PathFromString` + + - *Rationale*: JSON strings are Unicode strings, not byte strings, and + RFC8259 requires JSON to be encoded as UTF-8. + Internal interface guidelines ----------------------------- |