diff options
| author | _ov4 <ov4@ov4.org> | 2026-10-19 12:34:28 +0000 |
|---|---|---|
| committer | _ov4 <ov4@ov4.org> | 2026-10-19 12:34:28 +0000 |
| commit | 51213a7166196f38080cde61224daba034d16c60 (patch) | |
| tree | a95cfd5d66021616de4708d6c3acdbc9d51ef0f3 /tools | |
| parent | a5ce1af261ec3890d1ae16cc3a8785ffa8ad7b43 (diff) | |
fix(driver): bind MinGW JIT stdio locks to the host CRT
Resolve _lock_file and _unlock_file to the host compatibility functions
so JIT stdio cannot pick incompatible locks from another CRT DLL.
Cover fprintf inside a C++ catch with exact stderr expectations.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/driver/EmbeddedRunner.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/driver/EmbeddedRunner.cc b/tools/driver/EmbeddedRunner.cc index 5d82400..832616a 100644 --- a/tools/driver/EmbeddedRunner.cc +++ b/tools/driver/EmbeddedRunner.cc @@ -630,6 +630,10 @@ static llvm::Error defineRuntimeSymbols(llvm::orc::LLJIT &J) { ExecutorSymbolDef::fromPtr(&std::strtoll); // msvcrt.dll exports _write; MinGW archive members call its POSIX alias. Symbols[Intern("write")] = ExecutorSymbolDef::fromPtr(&_write); + // Microsoft msvcrt.dll does not export these MinGW compatibility functions. + // Keep FILE locks in the host CRT instead of resolving another DLL's copies. + Symbols[Intern("_lock_file")] = ExecutorSymbolDef::fromPtr(&_lock_file); + Symbols[Intern("_unlock_file")] = ExecutorSymbolDef::fromPtr(&_unlock_file); Symbols[Intern("__stack_chk_guard")] = ExecutorSymbolDef::fromPtr(&__stack_chk_guard); Symbols[Intern("__stack_chk_fail")] = |