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WIP work towards msvc support

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This commit is contained in:
Ethan Roseman 2023-10-27 05:28:17 +09:00
parent 2d627de537
commit 1bcc2c0c83
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GPG Key ID: 27F9FCEB8E4969BD
1 changed files with 41 additions and 3 deletions
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44
dll/msvcrt.cpp
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@ -1,20 +1,50 @@
#include "common.h"
typedef void (WIN_ENTRY *_PVFV)(void);
namespace msvcrt {
int _commode;
int _fmode;
char **___initenv;
char **__pgmptr;
// Stub because we're only ever a console application
void WIN_FUNC __set_app_type(int at) {
void WIN_ENTRY __set_app_type(int at) {
}
int* WIN_FUNC __p__fmode() {
int* WIN_ENTRY __p__fmode() {
return &_fmode;
}
int* WIN_FUNC __p__commode() {
int* WIN_ENTRY __p__commode() {
return &_commode;
}
char*** WIN_ENTRY __p___initenv(void) { return &___initenv; }
char **WIN_ENTRY __p__pgmptr(void) { return __pgmptr; }
void* WIN_ENTRY __p__iob(void) { return nullptr; }
unsigned int WIN_ENTRY _controlfp(unsigned int _new, unsigned int mask) {
return 0;
}
void WIN_ENTRY _initterm(_PVFV *start, _PVFV *end) {
_PVFV* it = start;
while (it < end) {
if (*it != nullptr) {
(**it)();
}
it++;
}
}
int WIN_ENTRY __getmainargs(int *argc, char ***argv, char ***envp, int expand_wildcards, int *new_mode) {
DEBUG_LOG("msvcrt::__getmainargs(%p, %p, %p, %d, %p)\n", argc, argv, envp, expand_wildcards, new_mode);
return 0;
}
void WIN_ENTRY setbuf(FILE* file, char *buf) {}
}
@ -22,6 +52,14 @@ static void *resolveByName(const char *name) {
if (strcmp(name, "__set_app_type") == 0) return (void *) msvcrt::__set_app_type;
if (strcmp(name, "__p__fmode") == 0) return (void *) msvcrt::__p__fmode;
if (strcmp(name, "__p__commode") == 0) return (void *) msvcrt::__p__commode;
if (strcmp(name, "__p___initenv") == 0) return (void *) msvcrt::__p___initenv;
if (strcmp(name, "__p__pgmptr") == 0) return (void *) msvcrt::__p__pgmptr;
if (strcmp(name, "__p__iob") == 0) return (void *) msvcrt::__p__iob;
if (strcmp(name, "_controlfp") == 0) return (void *) msvcrt::_controlfp;
if (strcmp(name, "_initterm") == 0) return (void *) msvcrt::_initterm;
if (strcmp(name, "__getmainargs") == 0) return (void *) msvcrt::__getmainargs;
if (strcmp(name, "setbuf") == 0) return (void *) msvcrt::setbuf;
if (strcmp(name, "getenv") == 0) return (void *) getenv;
return nullptr;
}