diff options
Diffstat (limited to 'crypto/dso/dso.h')
| -rw-r--r-- | crypto/dso/dso.h | 49 |
1 files changed, 46 insertions, 3 deletions
diff --git a/crypto/dso/dso.h b/crypto/dso/dso.h index fccf54f960..839f2e0617 100644 --- a/crypto/dso/dso.h +++ b/crypto/dso/dso.h @@ -125,7 +125,7 @@ typedef char* (*DSO_NAME_CONVERTER_FUNC)(DSO *, const char *); * file specifications and added together in whatever fashion that is * sensible for the DSO method in question. The only rule that really * applies is that if the two specification contain pieces of the same - * type, the copy from the string string takes priority. One could see + * type, the copy from the first string takes priority. One could see * it as the first specification is the one given by the user and the * second being a bunch of defaults to add on if they're missing in the * first. */ @@ -170,6 +170,11 @@ typedef struct dso_meth_st /* [De]Initialisation handlers. */ int (*init)(DSO *dso); int (*finish)(DSO *dso); + + /* Return pathname of the module containing location */ + int (*pathbyaddr)(void *addr,char *path,int sz); + /* Perform global symbol lookup, i.e. among *all* modules */ + void *(*globallookup)(const char *symname); } DSO_METHOD; /**********************************************************************/ @@ -183,7 +188,7 @@ struct dso_st * for use in the dso_bind handler. All in all, let each * method control its own destiny. "Handles" and such go in * a STACK. */ - STACK *meth_data; + STACK_OF(void) *meth_data; int references; int flags; /* For use by applications etc ... use this for your bits'n'pieces, @@ -296,6 +301,30 @@ DSO_METHOD *DSO_METHOD_win32(void); /* If VMS is defined, use shared images. If not, return NULL. */ DSO_METHOD *DSO_METHOD_vms(void); +/* This function writes null-terminated pathname of DSO module + * containing 'addr' into 'sz' large caller-provided 'path' and + * returns the number of characters [including trailing zero] + * written to it. If 'sz' is 0 or negative, 'path' is ignored and + * required amount of charachers [including trailing zero] to + * accomodate pathname is returned. If 'addr' is NULL, then + * pathname of cryptolib itself is returned. Negative or zero + * return value denotes error. + */ +int DSO_pathbyaddr(void *addr,char *path,int sz); + +/* This function should be used with caution! It looks up symbols in + * *all* loaded modules and if module gets unloaded by somebody else + * attempt to dereference the pointer is doomed to have fatal + * consequences. Primary usage for this function is to probe *core* + * system functionality, e.g. check if getnameinfo(3) is available + * at run-time without bothering about OS-specific details such as + * libc.so.versioning or where does it actually reside: in libc + * itself or libsocket. */ +void *DSO_global_lookup(const char *name); + +/* If BeOS is defined, use shared images. If not, return NULL. */ +DSO_METHOD *DSO_METHOD_beos(void); + /* BEGIN ERROR CODES */ /* The following lines are auto generated by the script mkerr.pl. Any changes * made after this point may be overwritten when the script is next run. @@ -305,6 +334,11 @@ void ERR_load_DSO_strings(void); /* Error codes for the DSO functions. */ /* Function codes. */ +#define DSO_F_BEOS_BIND_FUNC 144 +#define DSO_F_BEOS_BIND_VAR 145 +#define DSO_F_BEOS_LOAD 146 +#define DSO_F_BEOS_NAME_CONVERTER 147 +#define DSO_F_BEOS_UNLOAD 148 #define DSO_F_DLFCN_BIND_FUNC 100 #define DSO_F_DLFCN_BIND_VAR 101 #define DSO_F_DLFCN_LOAD 102 @@ -324,21 +358,30 @@ void ERR_load_DSO_strings(void); #define DSO_F_DSO_FREE 111 #define DSO_F_DSO_GET_FILENAME 127 #define DSO_F_DSO_GET_LOADED_FILENAME 128 +#define DSO_F_DSO_GLOBAL_LOOKUP 139 #define DSO_F_DSO_LOAD 112 #define DSO_F_DSO_MERGE 132 #define DSO_F_DSO_NEW_METHOD 113 +#define DSO_F_DSO_PATHBYADDR 140 #define DSO_F_DSO_SET_FILENAME 129 #define DSO_F_DSO_SET_NAME_CONVERTER 122 #define DSO_F_DSO_UP_REF 114 -#define DSO_F_VMS_BIND_VAR 115 +#define DSO_F_GLOBAL_LOOKUP_FUNC 138 +#define DSO_F_PATHBYADDR 137 +#define DSO_F_VMS_BIND_SYM 115 #define DSO_F_VMS_LOAD 116 #define DSO_F_VMS_MERGER 133 #define DSO_F_VMS_UNLOAD 117 #define DSO_F_WIN32_BIND_FUNC 118 #define DSO_F_WIN32_BIND_VAR 119 +#define DSO_F_WIN32_GLOBALLOOKUP 142 +#define DSO_F_WIN32_GLOBALLOOKUP_FUNC 143 +#define DSO_F_WIN32_JOINER 135 #define DSO_F_WIN32_LOAD 120 #define DSO_F_WIN32_MERGER 134 #define DSO_F_WIN32_NAME_CONVERTER 125 +#define DSO_F_WIN32_PATHBYADDR 141 +#define DSO_F_WIN32_SPLITTER 136 #define DSO_F_WIN32_UNLOAD 121 /* Reason codes. */ |