Allow compiling debug-builtins in no_std environment to enable gdb jit #11304
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- Make jit-debug crate #![no_std] when `std` feature is not enabled - Make gdb_jit_int module build in no_std environment - Use std when perf_jitdebug is enabled because the perf_jitdebug module does not run in no_std environment - Change debug-builtins feature to only enable gdb_jit_int - The perf_jitdebug feature is enabled in profiling mode only Signed-off-by: Doru Blânzeanu <[email protected]>
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These are otherwise present via `std`.
* Enable `wasmtime-jit-debug/std` from wasmtime's `std` feature * Only enable `perf_jitdump` from `profiling` as that's all that's explicitly needed.
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I've pushed a few commits as feedback here. Mind double-checking them and confirming they're ok for you? |
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It looks good from my point of view. Nice touch with the use of optional feature enablement. "wasmtime-jit-debug?/std", |
alexcrichton
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Signed-off-by: Doru Blânzeanu <[email protected]>
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bytecodealliance#11304) * Allow compiling debug-builtins in no_std environment to enable gdb jit - Make jit-debug crate #![no_std] when `std` feature is not enabled - Make gdb_jit_int module build in no_std environment - Use std when perf_jitdebug is enabled because the perf_jitdebug module does not run in no_std environment - Change debug-builtins feature to only enable gdb_jit_int - The perf_jitdebug feature is enabled in profiling mode only Signed-off-by: Doru Blânzeanu <[email protected]> * Remove feature listing from `default` These are otherwise present via `std`. * Shuffle around some features * Enable `wasmtime-jit-debug/std` from wasmtime's `std` feature * Only enable `perf_jitdump` from `profiling` as that's all that's explicitly needed. * Remove empty features list * Cut down on some `#[cfg]` usage * Update comments in gdb_jit_int module * Add CI checks that `debug-builtins` builds on no_std * Fix missing has_host_compiler_backend when debug-builtins enabled Signed-off-by: Doru Blânzeanu <[email protected]> --------- Signed-off-by: Doru Blânzeanu <[email protected]> Co-authored-by: Alex Crichton <[email protected]>
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Description
This PR takes care of enabling the compilation of
gdb_jit_intmodule in thejit-debugcrate to ensure the native debugging also works inno_stdenvironments.My aim is to have this in for the LTS version 36.0.0 😃
This work has been discussed in #wasmtime > Debugging a wasm module in a hyperlight guest.
Summary
jit-debugcrate#![no_std]whenperf_jitdebugis not enabledgdb_jit_intmodule build inno_stdenvironmentperf_jitdebugis enabled because theperf_jitdebugmodule does not run inno_stdenvironmentdebug-builtinsfeature intodebug-builtinsandperf-builtinsto individually toggle:no_stdgdb_jit_intmodule by usingdebug-builtinsperf_jitdebugmodule usingperf-builtins. NOTE: They can be both enabled, but it won't supportno_std.