diff --git a/Makefile b/Makefile index 6763581..55ae505 100644 --- a/Makefile +++ b/Makefile @@ -322,6 +322,13 @@ CFLAGS += -Wno-deprecated-declarations ifeq ($(PLATFORM),windows32) CFLAGS += -Wno-deprecated-declarations # Seems like Microsoft deprecated every single LIBC function LDFLAGS += -Wl,/NODEFAULTLIB:libcmt.lib + +ifneq ($(USE_MSVCRT_DLL),) +CFLAGS += -D_NO_CRT_STDIO_INLINE -DUSE_MSVCRT_DLL +$(BIN)/SDL/sameboy.exe: $(OBJ)/Windows/msvcrt.lib +$(BIN)/SDL/sameboy_debugger.exe: $(OBJ)/Windows/msvcrt.lib +endif + endif endif @@ -894,6 +901,10 @@ $(INC)/%.h: Core/%.h -@$(MKDIR) -p $(dir $@) sed "s/'/@SINGLE_QUOTE@/g" $^ | cppp $(CPPP_FLAGS) | sed "s/@SINGLE_QUOTE@/'/g" > $@ +# Generate msvcrt.lib so we can use the always-present msvcrt.dll +$(OBJ)/Windows/msvcrt.lib: Windows/msvcrt.def + lib.exe /MACHINE:X64 /def:$< /out:$@ + # Clean clean: rm -rf build diff --git a/Windows/crt.c b/Windows/crt.c new file mode 100755 index 0000000..fb7cbdb --- /dev/null +++ b/Windows/crt.c @@ -0,0 +1,91 @@ +#include +#include + +#ifdef USE_MSVCRT_DLL +/* Stub-out functions imported by VS's msvcrt.lib but are not implemented in msvcrt.dll */ + +/* We don't use exceptions, these are used by the uncaught exception handler and can be replaced with aborts */ + +void *__current_exception(void) +{ + abort(); + return NULL; +} + +void *__current_exception_context(void) +{ + abort(); + return NULL; +} + +/* terminate uses a mangled symbol on msvcrt.dll */ + +void msvcrt_terminate(void) __asm__("?terminate@@YAXXZ"); +void terminate(void) +{ + msvcrt_terminate(); +} + +/* We need to redirect these to msvcrt.dll's atexit */ + +int _crt_atexit(void (*function)(void)) +{ + return ((typeof(atexit) *)GetProcAddress(GetModuleHandleA("msvcrt.dll"), "atexit"))(function); +} + +int _register_onexit_function(void *table, void (*function)(void)) +{ + return ((typeof(atexit) *)GetProcAddress(GetModuleHandleA("msvcrt.dll"), "atexit"))(function); +} + +/* Various imported function we don't need and can nop-out */ + +int *__p__commode(void) +{ + static int dummy; + return &dummy; +} + +int _configthreadlocale(int flag) +{ + return 0; +} + +errno_t _configure_narrow_argv(unsigned mode) +{ + return 0; +} + +char *_get_narrow_winmain_command_line(void) +{ + return NULL; +} + +int _initialize_narrow_environment() +{ + return 0; +} + +int _initialize_onexit_table(void *table) +{ + return 0; +} + +void _register_thread_local_exe_atexit_callback(const void *callback) +{ +} + +int _seh_filter_exe(unsigned exception_num, void *exception) +{ + return 0; +} + +void _set_app_type(unsigned type) +{ +} + +int _set_new_mode(int new_mode) +{ + return 0; +} +#endif \ No newline at end of file diff --git a/Windows/math.c b/Windows/math.c new file mode 100755 index 0000000..8590ace --- /dev/null +++ b/Windows/math.c @@ -0,0 +1,18 @@ +#include + +#ifdef USE_MSVCRT_DLL + +/* "Old" (Pre-2015) Windows headers/libc don't have round and exp2. */ + +__attribute__((no_builtin)) double round(double f) +{ + return f >= 0? (int)(f + 0.5) : (int)(f - 0.5); +} + + +__attribute__((no_builtin)) double exp2(double f) +{ + return pow(2, f); +} + +#endif diff --git a/Windows/math.h b/Windows/math.h deleted file mode 100755 index 2b934f9..0000000 --- a/Windows/math.h +++ /dev/null @@ -1,9 +0,0 @@ -#pragma once -#include_next -#ifndef __MINGW32__ -/* "Old" (Pre-2015) Windows headers/libc don't have round. */ -static inline double round(double f) -{ - return f >= 0? (int)(f + 0.5) : (int)(f - 0.5); -} -#endif \ No newline at end of file diff --git a/Windows/msvcrt.def b/Windows/msvcrt.def new file mode 100644 index 0000000..4f6ba5d --- /dev/null +++ b/Windows/msvcrt.def @@ -0,0 +1,1276 @@ +EXPORTS +?terminate@@YAXXZ +__ExceptionPtrAssign +__ExceptionPtrCompare +__ExceptionPtrCopy +__ExceptionPtrCopyException +__ExceptionPtrCreate +__ExceptionPtrCurrentException +__ExceptionPtrDestroy +__ExceptionPtrRethrow +__ExceptionPtrSwap +__ExceptionPtrToBool +__uncaught_exception +_CrtCheckMemory +_CrtDbgBreak +_CrtDbgReport +_CrtDbgReportV +_CrtDbgReportW +_CrtDbgReportWV +_CrtDoForAllClientObjects +_CrtDumpMemoryLeaks +_CrtIsMemoryBlock +_CrtIsValidHeapPointer +_CrtIsValidPointer +_CrtMemCheckpoint +_CrtMemDifference +_CrtMemDumpAllObjectsSince +_CrtMemDumpStatistics +_CrtReportBlockType +_CrtSetAllocHook +_CrtSetBreakAlloc +_CrtSetDbgBlockType +_CrtSetDbgFlag +_CrtSetDumpClient +_CrtSetReportFile +_CrtSetReportHook +_CrtSetReportHook2 +_CrtSetReportMode +_CxxThrowException +_Getdays +_Getmonths +_Gettnames +_HUGE +_Strftime +_W_Getdays +_W_Getmonths +_W_Gettnames +_Wcsftime +_XcptFilter +__AdjustPointer +__BuildCatchObject +__BuildCatchObjectHelper +__C_specific_handler +__CppXcptFilter +__CxxFrameHandler +__CxxFrameHandler2 +__CxxFrameHandler3 +__CxxFrameHandler4 +__DestructExceptionObject +__RTCastToVoid +__RTDynamicCast +__RTtypeid +__STRINGTOLD +__TypeMatch +___lc_codepage_func +___lc_collate_cp_func +___lc_handle_func +___mb_cur_max_func +___setlc_active_func +___unguarded_readlc_active_add_func +__argc +__argv +__badioinfo +__crtCompareStringA +__crtCompareStringW +__crtGetLocaleInfoW +__crtGetStringTypeW +__crtLCMapStringA +__crtLCMapStringW +__daylight +__dllonexit +__doserrno +__dstbias +__fpecode +__getmainargs +__initenv +__iob_func +__isascii +__iscsym +__iscsymf +__lc_codepage +__lc_collate_cp +__lc_handle +__lconv_init +__mb_cur_max +__pctype_func +__pioinfo +__pwctype_func +__pxcptinfoptrs +__set_app_type +__setlc_active +__setusermatherr +__strncnt +__threadhandle +__threadid +__toascii +__unDName +__unDNameEx +__unguarded_readlc_active +__wargv +__wcserror +__wcserror_s +__wcsncnt +__wgetmainargs +__winitenv +_abs64 +_access +_access_s +_acmdln +_aexit_rtn +_aligned_free +_aligned_free_dbg +_aligned_malloc +_aligned_malloc_dbg +_aligned_offset_malloc +_aligned_offset_malloc_dbg +_aligned_offset_realloc +_aligned_offset_realloc_dbg +_aligned_realloc +_aligned_realloc_dbg +_amsg_exit +_assert +_atodbl +_atodbl_l +_atof_l +_atoflt_l +_atoi64 +_atoi64_l +_atoi_l +_atol_l +_atoldbl +_atoldbl_l +_beep +_beginthread +_beginthreadex +_c_exit +_cabs +_callnewh +_calloc_dbg +_cexit +_cgets +_cgets_s +_cgetws +_cgetws_s +_chdir +_chdrive +_chgsign +_chgsignf +_chmod +_chsize +_chsize_s +_chvalidator +_chvalidator_l +_clearfp +_close +_commit +_commode +_control87 +_controlfp +_controlfp_s +_copysign +_copysignf +_cprintf +_cprintf_l +_cprintf_p +_cprintf_p_l +_cprintf_s +_cprintf_s_l +_cputs +_cputws +_creat +_create_locale +_crtAssertBusy +_crtBreakAlloc +_crtDbgFlag +_cscanf +_cscanf_l +_cscanf_s +_cscanf_s_l +_ctime32 +_ctime32_s +_ctime64 +_ctime64_s +_ctype +_cwait +_cwprintf +_cwprintf_l +_cwprintf_p +_cwprintf_p_l +_cwprintf_s +_cwprintf_s_l +_cwscanf +_cwscanf_l +_cwscanf_s +_cwscanf_s_l +_daylight +_difftime32 +_difftime64 +_dstbias +_dup +_dup2 +_ecvt +_ecvt_s +_endthread +_endthreadex +_environ +_eof +_errno +_execl +_execle +_execlp +_execlpe +_execv +_execve +_execvp +_execvpe +_exit +_expand +_expand_dbg +_fcloseall +_fcvt +_fcvt_s +_fdopen +_fgetchar +_fgetwchar +_filbuf +_fileinfo +_filelength +_filelengthi64 +_fileno +_findclose +_findfirst +_findfirst64 +_findfirsti64 +_findnext +_findnext64 +_findnexti64 +_finite +_finitef +_flsbuf +_flushall +_fmode +_fpclass +_fpclassf +_fpreset +_fprintf_l +_fprintf_p +_fprintf_p_l +_fprintf_s_l +_fputchar +_fputwchar +_free_dbg +_free_locale +_freea +_freea_s +_freefls +_fscanf_l +_fscanf_s_l +_fseeki64 +_fsopen +_fstat +_fstat64 +_fstati64 +_ftime +_ftime32 +_ftime32_s +_ftime64 +_ftime64_s +_fullpath +_fullpath_dbg +_futime +_futime32 +_futime64 +_fwprintf_l +_fwprintf_p +_fwprintf_p_l +_fwprintf_s_l +_fwscanf_l +_fwscanf_s_l +_gcvt +_gcvt_s +_get_current_locale +_get_doserrno +_get_environ +_get_errno +_get_fileinfo +_get_fmode +_get_heap_handle +_get_osfhandle +_get_osplatform +_get_osver +_get_output_format +_get_pgmptr +_get_sbh_threshold +_get_terminate +_get_unexpected +_get_wenviron +_get_winmajor +_get_winminor +_get_winver +_get_wpgmptr +_getch +_getche +_getcwd +_getdcwd +_getdiskfree +_getdrive +_getdrives +_getmaxstdio +_getmbcp +_getpid +_getsystime +_getw +_getwch +_getwche +_getws +_gmtime32 +_gmtime32_s +_gmtime64 +_gmtime64_s +_heapchk +_heapmin +_heapset +_heapwalk +_hypot +_hypotf +_i64toa +_i64toa_s +_i64tow +_i64tow_s +_initterm +_initterm_e +_invalid_parameter +_iob +_isalnum_l +_isalpha_l +_isatty +_iscntrl_l +_isctype +_isctype_l +_isdigit_l +_isgraph_l +_isleadbyte_l 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+_iswxdigit_l +_isxdigit_l +_itoa +_itoa_s +_itow +_itow_s +_j0 +_j1 +_jn +_kbhit +_lfind +_lfind_s +_local_unwind +_localtime32 +_localtime32_s +_localtime64 +_localtime64_s +_lock +_locking +_logb +_logbf +_lrotl +_lrotr +_lsearch +_lsearch_s +_lseek +_lseeki64 +_ltoa +_ltoa_s +_ltow +_ltow_s +_makepath +_makepath_s +_malloc_dbg +_mbbtombc +_mbbtombc_l +_mbbtype +_mbcasemap +_mbccpy +_mbccpy_l +_mbccpy_s +_mbccpy_s_l +_mbcjistojms +_mbcjistojms_l +_mbcjmstojis +_mbcjmstojis_l +_mbclen +_mbclen_l +_mbctohira +_mbctohira_l +_mbctokata +_mbctokata_l +_mbctolower +_mbctolower_l +_mbctombb +_mbctombb_l +_mbctoupper +_mbctoupper_l +_mbctype +_mblen_l +_mbsbtype +_mbsbtype_l +_mbscat +_mbscat_s +_mbscat_s_l +_mbschr +_mbschr_l +_mbscmp +_mbscmp_l +_mbscoll +_mbscoll_l +_mbscpy +_mbscpy_s +_mbscpy_s_l +_mbscspn +_mbscspn_l +_mbsdec +_mbsdec_l +_mbsdup +_mbsicmp +_mbsicmp_l +_mbsicoll +_mbsicoll_l +_mbsinc +_mbsinc_l +_mbslen +_mbslen_l +_mbslwr +_mbslwr_l +_mbslwr_s +_mbslwr_s_l +_mbsnbcat 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+_wmktemp_s +_wopen +_woutput_s +_wperror +_wpgmptr +_wpopen +_wprintf_l +_wprintf_p +_wprintf_p_l +_wprintf_s_l +_wputenv +_wputenv_s +_wremove +_wrename +_write +_wrmdir +_wscanf_l +_wscanf_s_l +_wsearchenv +_wsearchenv_s +_wsetlocale +_wsopen +_wsopen_s +_wspawnl +_wspawnle +_wspawnlp +_wspawnlpe +_wspawnv +_wspawnve +_wspawnvp +_wspawnvpe +_wsplitpath +_wsplitpath_s +_wstat +_wstat64 +_wstati64 +_wstrdate +_wstrdate_s +_wstrtime +_wstrtime_s +_wsystem +_wtempnam +_wtempnam_dbg +_wtmpnam +_wtmpnam_s +_wtof +_wtof_l +_wtoi +_wtoi64 +_wtoi64_l +_wtoi_l +_wtol +_wtol_l +_wunlink +_wutime +_wutime32 +_wutime64 +_y0 +_y1 +_yn +abort +abs +acos +acosf +asctime +asctime_s +asin +asinf +atan +atan2 +atan2f +atanf +atexit +atof +atoi +atol +bsearch +bsearch_s +btowc +calloc +ceil +ceilf +clearerr +clearerr_s +clock +cos +cosf +cosh +coshf +ctime +difftime +div +exit +exp +expf +fabs +fclose +feof +ferror +fflush +fgetc +fgetpos +fgets +fgetwc +fgetws +floor +floorf +fmod +fmodf +fopen +fopen_s +fprintf +fprintf_s +fputc +fputs +fputwc +fputws +fread +free +freopen +freopen_s +frexp +fscanf +fscanf_s +fseek +fsetpos +ftell +fwprintf +fwprintf_s +fwrite +fwscanf +fwscanf_s +getc +getchar +getenv +getenv_s +gets +getwc +getwchar +gmtime +is_wctype +isalnum +isalpha +iscntrl +isdigit +isgraph +isleadbyte +islower +isprint +ispunct +isspace +isupper +iswalnum +iswalpha +iswascii +iswcntrl +iswctype +iswdigit +iswgraph +iswlower +iswprint +iswpunct +iswspace +iswupper +iswxdigit +isxdigit +labs +ldexp +ldiv +localeconv +localtime +log +log10 +log10f +logf +longjmp +malloc +mblen +mbrlen +mbrtowc +mbsdup_dbg +mbsrtowcs +mbsrtowcs_s +mbstowcs +mbstowcs_s +mbtowc +memchr +memcmp +memcpy +memcpy_s +memmove +memmove_s +memset +mktime +modf +modff +perror +pow +powf +printf +printf_s +putc +putchar +puts +putwc +putwchar +qsort +qsort_s +raise +rand +rand_s +realloc +remove +rename +rewind +scanf +scanf_s +setbuf +setjmp +setlocale +setvbuf +signal +sin +sinf +sinh +sinhf +sprintf +sprintf_s +sqrt +sqrtf +srand +sscanf +sscanf_s +strcat +strcat_s +strchr +strcmp +strcoll +strcpy +strcpy_s +strcspn +strerror +strerror_s +strftime +strlen +strncat +strncat_s +strncmp +strncpy +strncpy_s +strnlen +strpbrk +strrchr +strspn +strstr +strtod +strtok +strtok_s +strtol +strtoul +strxfrm +swprintf +swprintf_s +swscanf +swscanf_s +system +tan +tanf +tanh +tanhf +time +tmpfile +tmpfile_s +tmpnam +tmpnam_s +tolower +toupper +towlower +towupper +ungetc +ungetwc +utime +vfprintf +vfprintf_s +vfwprintf +vfwprintf_s +vprintf +vprintf_s +vsnprintf +vsprintf +vsprintf_s +vswprintf +vswprintf_s +vwprintf +vwprintf_s +wcrtomb +wcrtomb_s +wcscat +wcscat_s +wcschr +wcscmp +wcscoll +wcscpy +wcscpy_s +wcscspn +wcsftime +wcslen +wcsncat +wcsncat_s +wcsncmp +wcsncpy +wcsncpy_s +wcsnlen +wcspbrk +wcsrchr +wcsrtombs +wcsrtombs_s +wcsspn +wcsstr +wcstod +wcstok +wcstok_s +wcstol +wcstombs +wcstombs_s +wcstoul +wcsxfrm +wctob +wctomb +wctomb_s +wprintf +wprintf_s +wscanf +wscanf_s \ No newline at end of file diff --git a/Windows/stdio.c b/Windows/stdio.c new file mode 100755 index 0000000..b45a01a --- /dev/null +++ b/Windows/stdio.c @@ -0,0 +1,14 @@ +#include +#include + +#ifdef USE_MSVCRT_DLL + +FILE *__acrt_iob_func(unsigned index) +{ + static FILE *files[3]; + if (index > sizeof(files) / sizeof(files[0])) return NULL; + if (files[index]) return files[index]; + return (files[index] = fdopen(index, index == STDIN_FILENO? "r" : "w")); +} + +#endif \ No newline at end of file