From: Yuxuan Shui <yshui(a)codeweavers.com> --- dlls/winecrt0/crt_dllmain.c | 63 +++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) diff --git a/dlls/winecrt0/crt_dllmain.c b/dlls/winecrt0/crt_dllmain.c index 181760c884a..6baca232e70 100644 --- a/dlls/winecrt0/crt_dllmain.c +++ b/dlls/winecrt0/crt_dllmain.c @@ -22,11 +22,74 @@ #include <stdarg.h> #include <stdio.h> +#include <process.h> #include "windef.h" #include "winbase.h" +#if defined(__GNUC__) +/* Reference: mingw-w64-crt: crt/gccmain.c */ +typedef void (*fnptr)(void); +extern fnptr __CTOR_LIST__[]; +extern fnptr __DTOR_LIST__[]; +#elif defined(_MSC_VER) +/* Sections named .CRT$??? in objects files are automatically merged into .CRT in the + * final binary during linking, sorted by the section names alphabetically. The names + * don't have significance to the linker but conventions do apply. */ +#pragma section(".CRT$XCA", read, write) +#pragma section(".CRT$XCZ", read, write) +#pragma section(".CRT$XTA", read, write) +#pragma section(".CRT$XTZ", read, write) +#pragma comment(linker, "/merge:.CRT=.rdata") +__declspec(allocate(".CRT$XCA")) _PVFV __xc_a[] = { NULL }; +__declspec(allocate(".CRT$XCZ")) _PVFV __xc_z[] = { NULL }; +__declspec(allocate(".CRT$XTA")) _PVFV __xt_a[] = { NULL }; +__declspec(allocate(".CRT$XTZ")) _PVFV __xt_z[] = { NULL }; +#endif + +static void do_global_ctors_dtors( DWORD reason ) +{ +#if defined(__GNUC__) + if (reason == DLL_PROCESS_ATTACH) + { + ULONG_PTR nfns = (ULONG_PTR)__CTOR_LIST__[0], i; + if (nfns == (ULONG_PTR)-1) + for (nfns = 0; __CTOR_LIST__[nfns + 1]; nfns++); + for (i = nfns; i >= 1; i--) __CTOR_LIST__[i](); + } + else if (reason == DLL_PROCESS_DETACH) + { + SIZE_T i; + for (i = 1; __DTOR_LIST__[i]; i++) __DTOR_LIST__[i](); + } +#elif defined(_MSC_VER) + if (reason == DLL_PROCESS_ATTACH) + { + fnptr *current = __xc_a; + + while (current < __xc_z) + { + if (*current) + (*current)(); + current++; + } + } + else if (reason == DLL_PROCESS_DETACH) + { + fnptr *current = __xt_a; + + while (current < __xt_z) + { + if (*current) + (*current)(); + current++; + } + } +#endif +} + BOOL WINAPI DllMainCRTStartup( HINSTANCE inst, DWORD reason, void *reserved ) { + do_global_ctors_dtors( reason ); return DllMain( inst, reason, reserved ); } -- GitLab https://gitlab.winehq.org/wine/wine/-/merge_requests/9265