diff options
Diffstat (limited to 'shared/unstable/loader.c')
| -rw-r--r-- | shared/unstable/loader.c | 220 |
1 files changed, 152 insertions, 68 deletions
diff --git a/shared/unstable/loader.c b/shared/unstable/loader.c index 91b7ff3..4872500 100644 --- a/shared/unstable/loader.c +++ b/shared/unstable/loader.c @@ -1,12 +1,10 @@ -/* Copyright (c) 1997-2003 Miller Puckette, krzYszcz, and others. +/* Copyright (c) 1997-2005 Miller Puckette, krzYszcz, and others. * For information on usage and redistribution, and for a DISCLAIMER OF ALL * WARRANTIES, see the file, "LICENSE.txt," in this distribution. */ /* This is just a not-yet-in-the-API-sys_load_lib() duplication (modulo differentiating the error return codes). LATER use the original. */ -#include "loader.h" - #ifdef __linux__ #include <dlfcn.h> #endif @@ -22,8 +20,11 @@ #include <mach-o/dyld.h> #endif #include <string.h> -#include "m_pd.h" #include <stdio.h> +#include "m_pd.h" +#include "common/loud.h" +#include "common/os.h" +#include "loader.h" typedef void (*t_xxx)(void); @@ -48,92 +49,175 @@ static char sys_dllextent[] = ".dll"; #endif -int unstable_load_lib(char *dirname, char *classname) +static int unstable_doload_lib(char *dirname, char *classname) { - char symname[MAXPDSTRING], filename[MAXPDSTRING], dirbuf[MAXPDSTRING], - *nameptr, *lastdot; + char symname[MAXPDSTRING], filename[MAXPDSTRING], *lastdot; void *dlobj; t_xxx makeout; - int fd; #ifdef NT HINSTANCE ntdll; #endif -#if 0 - fprintf(stderr, "lib %s %s\n", dirname, classname); -#endif - if ((fd = open_via_path(dirname, classname, sys_dllextent, - dirbuf, &nameptr, MAXPDSTRING, 1)) < 0) - { - return (LOADER_NOFILE); - } - else - { - close(fd); - /* refabricate the pathname */ - strcpy(filename, dirbuf); - strcat(filename, "/"); - strcat(filename, nameptr); - /* extract the setup function name */ - if (lastdot = strrchr(nameptr, '.')) - *lastdot = 0; + /* refabricate the pathname */ + strcpy(filename, dirname); + strcat(filename, "/"); + strcat(filename, classname); + /* extract the setup function name */ + if (lastdot = strrchr(classname, '.')) + *lastdot = 0; #ifdef MACOSX - strcpy(symname, "_"); - strcat(symname, nameptr); + strcpy(symname, "_"); + strcat(symname, classname); #else - strcpy(symname, nameptr); + strcpy(symname, classname); #endif - /* if the last character is a tilde, replace with "_tilde" */ - if (symname[strlen(symname) - 1] == '~') - strcpy(symname + (strlen(symname) - 1), "_tilde"); - /* and append _setup to form the C setup function name */ - strcat(symname, "_setup"); + /* if the last character is a tilde, replace with "_tilde" */ + if (symname[strlen(symname) - 1] == '~') + strcpy(symname + (strlen(symname) - 1), "_tilde"); + /* and append _setup to form the C setup function name */ + strcat(symname, "_setup"); #ifdef __linux__ - dlobj = dlopen(filename, RTLD_NOW | RTLD_GLOBAL); - if (!dlobj) - { - post("%s: %s", filename, dlerror()); - return (LOADER_BADFILE); - } - makeout = (t_xxx)dlsym(dlobj, symname); + dlobj = dlopen(filename, RTLD_NOW | RTLD_GLOBAL); + if (!dlobj) + { + post("%s: %s", filename, dlerror()); + return (LOADER_BADFILE); + } + makeout = (t_xxx)dlsym(dlobj, symname); #endif #ifdef NT - sys_bashfilename(filename, filename); - ntdll = LoadLibrary(filename); - if (!ntdll) - { + sys_bashfilename(filename, filename); + ntdll = LoadLibrary(filename); + if (!ntdll) + { + post("%s: couldn't load", filename); + return (LOADER_BADFILE); + } + makeout = (t_xxx)GetProcAddress(ntdll, symname); +#endif +#ifdef MACOSX + { + NSObjectFileImage image; + void *ret; + NSSymbol s; + if ( NSCreateObjectFileImageFromFile( filename, &image) != NSObjectFileImageSuccess ) + { post("%s: couldn't load", filename); return (LOADER_BADFILE); } - makeout = (t_xxx)GetProcAddress(ntdll, symname); -#endif -#ifdef MACOSX - { - NSObjectFileImage image; - void *ret; - NSSymbol s; - if ( NSCreateObjectFileImageFromFile( filename, &image) != NSObjectFileImageSuccess ) - { - post("%s: couldn't load", filename); - return (LOADER_BADFILE); - } - ret = NSLinkModule( image, filename, - NSLINKMODULE_OPTION_BINDNOW - + NSLINKMODULE_OPTION_PRIVATE); + ret = NSLinkModule( image, filename, + NSLINKMODULE_OPTION_BINDNOW + + NSLINKMODULE_OPTION_PRIVATE); - s = NSLookupSymbolInModule(ret, symname); + s = NSLookupSymbolInModule(ret, symname); - if (s) - makeout = (t_xxx)NSAddressOfSymbol( s); - else makeout = 0; - } -#endif + if (s) + makeout = (t_xxx)NSAddressOfSymbol( s); + else makeout = 0; } +#endif if (!makeout) { - post("load_object: Symbol \"%s\" not found", symname); - return (LOADER_NOENTRY); + post("load_object: Symbol \"%s\" not found", symname); + return (LOADER_NOENTRY); } (*makeout)(); return (LOADER_OK); } + +/* start searching from dirname, then search the path */ +int unstable_load_lib(char *dirname, char *classname) +{ + char dirbuf[MAXPDSTRING], *nameptr; + int fd; + if ((fd = open_via_path(dirname, classname, sys_dllextent, + dirbuf, &nameptr, MAXPDSTRING, 1)) < 0) + { + return (LOADER_NOFILE); + } + else + { + close(fd); + return (unstable_doload_lib(dirbuf, nameptr)); + } +} + +/* only dirname is searched */ +int unstable_dirload_lib(char *dirname, char *classname) +{ + if (strlen(dirname) + strlen(classname) + strlen(sys_dllextent) + 3 < + MAXPDSTRING) + { + char namebuf[MAXPDSTRING], *slash, *nameptr; + strcpy(namebuf, dirname); + if (*dirname && namebuf[strlen(namebuf)-1] != '/') + strcat(namebuf, "/"); + strcat(namebuf, classname); + strcat(namebuf, sys_dllextent); + slash = strrchr(namebuf, '/'); + if (slash) + { + *slash = 0; + nameptr = slash + 1; + } + else nameptr = namebuf; + return (unstable_doload_lib(namebuf, nameptr)); + } + else return (LOADER_FAILED); +} + +/* return the number of successfully loaded libraries, or -1 on error */ +int unstable_dirload_all(char *dirname, int beloud, int withclasses) +{ + t_osdir *dp = osdir_open(dirname); + if (dp) + { + int result = 0; + char namebuf[MAXPDSTRING], *name; + osdir_setmode(dp, OSDIR_FILEMODE); + while (name = osdir_next(dp)) + { + int namelen = strlen(name), extlen = strlen(sys_dllextent); + if ((namelen -= extlen) > 0 && + strcmp(name + namelen, sys_dllextent) == 0) + { + strncpy(namebuf, name, namelen); + namebuf[namelen] = 0; + if (zgetfn(&pd_objectmaker, gensym(namebuf))) + { + if (beloud) + loud_warning(0, "xeq", "plugin \"%s\" already loaded", + namebuf); + } + else + { + int err; + if (beloud) + post("loading xeq plugin \"%s\"", namebuf); + err = unstable_dirload_lib(dirname, namebuf); + if (err == LOADER_NOFILE) + { + if (beloud) + loud_error(0, "xeq plugin \"%s\" disappeared", + namebuf); + } + else if (!zgetfn(&pd_objectmaker, gensym(namebuf))) + { + if (beloud) + loud_error(0, "library \"%s\" not compatible", + namebuf); + } + else result++; + } + } + } + osdir_close(dp); + return (result); + } + else + { + if (beloud) + loud_syserror(0, "cannot open \"%s\"", dirname); + return (-1); + } +} |