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| author | Dimitry Andric <dim@FreeBSD.org> | 2023-09-29 18:10:07 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2023-09-29 18:10:41 +0000 |
| commit | 4bbf1f460eb3fabdb7cf7cd731af0c227e6539c8 (patch) | |
| tree | 8fb51c31848f1d9835688ea1730410efb2c3f7ee /llvm/tools/lli/lli.cpp | |
| parent | 8092e001bcd76c0b9fec2311f3a515aa60d2ed07 (diff) | |
Vendor import of llvm-project branch release/17.x llvmorg-17.0.1-25-g098e653a5bed.vendor/llvm-project/llvmorg-17.0.1-25-g098e653a5bed
Diffstat (limited to 'llvm/tools/lli/lli.cpp')
| -rw-r--r-- | llvm/tools/lli/lli.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/tools/lli/lli.cpp b/llvm/tools/lli/lli.cpp index 3b5250d56707..e2fff69dae20 100644 --- a/llvm/tools/lli/lli.cpp +++ b/llvm/tools/lli/lli.cpp @@ -1200,18 +1200,32 @@ Expected<std::unique_ptr<orc::ExecutorProcessControl>> launchRemote() { // For real JIT uses, the real compiler support libraries should be linked // in, somehow; this is a workaround to let tests pass. // +// We need to make sure that this symbol actually is linked in when we +// try to export it; if no functions allocate a large enough stack area, +// nothing would reference it. Therefore, manually declare it and add a +// reference to it. (Note, the declarations of _alloca/___chkstk_ms/__chkstk +// are somewhat bogus, these functions use a different custom calling +// convention.) +// // TODO: Move this into libORC at some point, see // https://github.com/llvm/llvm-project/issues/56603. #ifdef __MINGW32__ // This is a MinGW version of #pragma comment(linker, "...") that doesn't // require compiling with -fms-extensions. #if defined(__i386__) +#undef _alloca +extern "C" void _alloca(void); +static __attribute__((used)) void (*const ref_func)(void) = _alloca; static __attribute__((section(".drectve"), used)) const char export_chkstk[] = "-export:_alloca"; #elif defined(__x86_64__) +extern "C" void ___chkstk_ms(void); +static __attribute__((used)) void (*const ref_func)(void) = ___chkstk_ms; static __attribute__((section(".drectve"), used)) const char export_chkstk[] = "-export:___chkstk_ms"; #else +extern "C" void __chkstk(void); +static __attribute__((used)) void (*const ref_func)(void) = __chkstk; static __attribute__((section(".drectve"), used)) const char export_chkstk[] = "-export:__chkstk"; #endif |