diff options
| author | _ov4 <ov4@ov4.org> | 2026-10-17 09:46:23 +0000 |
|---|---|---|
| committer | _ov4 <ov4@ov4.org> | 2026-10-17 09:46:23 +0000 |
| commit | 0305500e31eda6fe6da84f88748fc20843aebbce (patch) | |
| tree | 0ca372b3337764e8cd44e5477fcee63a371fbd26 /tools/driver/EmbeddedRunner.cc | |
| parent | c62473ae0f495c280759e8f285e5366855ad7a52 (diff) | |
refactor(runtime): write runtime diagnostics with fprintf(stderr)
Replace snprintf+write(2) with a single fprintf call on the platform's
stderr: the C library's stderr / __stderrp, or __acrt_iob_func(2) on
Windows, which the embedded runner binds to the host shim.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Diffstat (limited to 'tools/driver/EmbeddedRunner.cc')
| -rw-r--r-- | tools/driver/EmbeddedRunner.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/driver/EmbeddedRunner.cc b/tools/driver/EmbeddedRunner.cc index 7f0b763..8bfeccb 100644 --- a/tools/driver/EmbeddedRunner.cc +++ b/tools/driver/EmbeddedRunner.cc @@ -325,6 +325,12 @@ static llvm::Error defineRuntimeSymbols(llvm::orc::LLJIT &J) { ExecutorSymbolDef::fromPtr(&std::strtoll); #endif #ifdef _WIN32 + // Generated diagnostics write to stderr through __acrt_iob_func(2). The + // msvcrt DLL only exports __iob_func, so bind the host's shim directly. + Symbols[Intern("__acrt_iob_func")] = + ExecutorSymbolDef::fromPtr(&__acrt_iob_func); +#endif +#ifdef _WIN32 // The JIT-generated main references __main on MinGW; provide a no-op so // the host CRT is not initialized a second time. Symbols[Intern("__main")] = |