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Invent *cosmo_dltramp() function

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Justine Tunney 2024-01-05 09:11:51 -08:00
parent 0de6a08988
commit 44a463e4d2
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GPG key ID: BE714B4575D6E328
2 changed files with 12 additions and 0 deletions
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1
libc/dlopen/dlfcn.h
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@ -20,6 +20,7 @@ int dlclose(void *);
char *cosmo_dlerror(void); char *cosmo_dlerror(void);
void *cosmo_dlopen(const char *, int); void *cosmo_dlopen(const char *, int);
void *cosmo_dlsym(void *, const char *); void *cosmo_dlsym(void *, const char *);
void *cosmo_dltramp(void *);
int cosmo_dlclose(void *); int cosmo_dlclose(void *);
#endif #endif

11
libc/dlopen/dlopen.c
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@ -843,6 +843,17 @@ void *cosmo_dlsym(void *handle, const char *name) {
return func; return func;
} }
/**
* Trampolines foreign function pointer so it can be called safely.
*/
void *cosmo_dltramp(void *foreign_func) {
if (!IsWindows()) {
return foreign_thunk_sysv(foreign_func);
} else {
return foreign_thunk_nt(foreign_func);
}
}
/** /**
* Closes dynamic shared object. * Closes dynamic shared object.
* *