diff options
Diffstat (limited to 'dln.c')
| -rw-r--r-- | dln.c | 298 |
1 files changed, 247 insertions, 51 deletions
@@ -6,20 +6,20 @@ $Date$ created at: Tue Jan 18 17:05:06 JST 1994 - Copyright (C) 1993-1996 Yukihiro Matsumoto + Copyright (C) 1993-1998 Yukihiro Matsumoto ************************************************/ -#ifdef _AIX -#pragma alloca -#endif - #include "config.h" #include "defines.h" #include "dln.h" char *dln_argv0; +#ifdef _AIX +#pragma alloca +#endif + #if defined(HAVE_ALLOCA_H) && !defined(__GNUC__) #include <alloca.h> #endif @@ -36,7 +36,9 @@ void *xrealloc(); #include <stdio.h> #ifndef NT -#include <sys/file.h> +# ifndef USE_CWGUSI +# include <sys/file.h> +# endif #else #include "missing/file.h" #endif @@ -58,15 +60,25 @@ char *strdup(); char *getenv(); #endif +#ifdef __MACOS__ +# include <TextUtils.h> +# include <CodeFragments.h> +# include <Aliases.h> +#endif + +#ifdef __BEOS__ +# include <image.h> +#endif + int eaccess(); -#if defined(HAVE_DLOPEN) && !defined(USE_DLN_A_OUT) +#if defined(HAVE_DLOPEN) && !defined(USE_DLN_A_OUT) && !defined(__CYGWIN32__) && !defined(_AIX) /* dynamic load with dlopen() */ # define USE_DLN_DLOPEN #endif #ifndef FUNCNAME_PATTERN -# if defined(__hp9000s300) || defined(__NetBSD__) || defined(__BORLANDC__) || defined(__FreeBSD__) || defined(NeXT) +# if defined(__hp9000s300) || defined(__NetBSD__) || defined(__BORLANDC__) || (defined(__FreeBSD__) && __FreeBSD__ < 3) || defined(NeXT) || defined(__WATCOMC__) # define FUNCNAME_PATTERN "_Init_%.200s" # else # define FUNCNAME_PATTERN "Init_%.200s" @@ -81,7 +93,11 @@ init_funcname(buf, file) /* Load the file as an object one */ for (p = file, slash = p-1; *p; p++) /* Find position of last '/' */ +#ifdef __MACOS__ + if (*p == ':') slash = p; +#else if (*p == '/') slash = p; +#endif sprintf(buf, FUNCNAME_PATTERN, slash + 1); for (p = buf; *p; p++) { /* Delete suffix it it exists */ @@ -407,7 +423,7 @@ load_text_data(fd, hdrp, bss, disp) } static int -undef_print(key, value) +underb_f_print(key, value) char *key, *value; { fprintf(stderr, " %s\n", key); @@ -418,7 +434,7 @@ static void dln_print_undef() { fprintf(stderr, " Undefined symbols:\n"); - st_foreach(undef_tbl, undef_print, NULL); + st_foreach(undef_tbl, underb_f_print, NULL); } static void @@ -814,7 +830,7 @@ load_1(fd, disp, need_init) for (sym = syms; sym<end; sym++) { char *name = sym->n_un.n_name; if (name[0] == '_' && sym->n_value >= block) { - if (strcmp(name+1, "libs_to_be_linked") == 0) { + if (strcmp(name+1, "dln_libs_to_be_linked") == 0) { libs_to_be_linked = (char**)sym->n_value; } else if (strcmp(name+1, buf) == 0) { @@ -869,11 +885,11 @@ search_undef(key, value, lib_tbl) } struct symdef { - int str_index; + int rb_str_index; int lib_offset; }; -char *dln_library_path = DLN_DEFAULT_LIB_PATH; +char *dln_librrb_ary_path = DLN_DEFAULT_LIB_PATH; static int load_lib(lib) @@ -904,10 +920,10 @@ load_lib(lib) /* library search path: */ /* look for environment variable DLN_LIBRARY_PATH first. */ - /* then variable dln_library_path. */ + /* then variable dln_librrb_ary_path. */ /* if path is still NULL, use "." for path. */ path = getenv("DLN_LIBRARY_PATH"); - if (path == NULL) path = dln_library_path; + if (path == NULL) path = dln_librrb_ary_path; file = dln_find_file(lib, path); fd = open(file, O_RDONLY); @@ -936,7 +952,7 @@ load_lib(lib) base = (struct symdef*)(data + 1); name_base = (char*)(base + nsym) + sizeof(int); while (nsym > 0) { - char *name = name_base + base->str_index; + char *name = name_base + base->rb_str_index; st_insert(lib_tbl, name, base->lib_offset + sizeof(ahdr)); nsym--; @@ -1065,14 +1081,18 @@ dln_sym(name) #include "dl.h" #endif -#ifdef _AIX +#if defined(_AIX) #include <ctype.h> /* for isdigit() */ #include <errno.h> /* for global errno */ #include <sys/ldr.h> #endif #ifdef NeXT -/*#include <mach-o/rld.h>*/ +#if NS_TARGET_MAJOR < 4 +#include <mach-o/rld.h> +#else +#include <mach-o/dyld.h> +#endif #endif #ifdef _WIN32 @@ -1109,21 +1129,28 @@ dln_strerror() #ifdef _WIN32 static char message[1024]; + int error = GetLastError(); + char *p = message; + p += sprintf(message, "%d: ", error); FormatMessage( FORMAT_MESSAGE_FROM_SYSTEM, NULL, - GetLastError(), - MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), - message, - sizeof message, + error, + MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), + p, + sizeof message - strlen(message), NULL); + for (p = message; *p; p++) { + if (*p == '\n' || *p == '\r') + *p = ' '; + } return message; #endif } -#ifdef _AIX +#if defined(_AIX) static void aix_loaderror(char *pathname) { @@ -1166,7 +1193,7 @@ aix_loaderror(char *pathname) ERRBUF_APPEND("\n"); } errbuf[strlen(errbuf)-1] = '\0'; /* trim off last newline */ - LoadError(errbuf); + rb_loaderror(errbuf); return; } #endif @@ -1193,7 +1220,7 @@ dln_load(file) /* Load file */ if ((handle = LoadLibraryExA(winfile, NULL, LOAD_WITH_ALTERED_SEARCH_PATH)) == NULL) { - printf("LoadLibraryExA\n"); + printf("LoadLibraryExA: %s\n", winfile); goto failed; } @@ -1229,15 +1256,15 @@ dln_load(file) void *handle; void (*init_fct)(); -# ifndef RTLD_LAZY -# define RTLD_LAZY 1 -# endif -# ifndef RTLD_GLOBAL -# define RTLD_GLOBAL 0 -# endif +#ifndef RTLD_LAZY +# define RTLD_LAZY 1 +#endif +#ifndef RTLD_GLOBAL +# define RTLD_GLOBAL 0 +#endif /* Load file */ - if ((handle = dlopen(file, RTLD_LAZY|RTLD_GLOBAL)) == NULL) { + if ((handle = (void*)dlopen(file, RTLD_LAZY|RTLD_GLOBAL)) == NULL) { goto failed; } @@ -1260,15 +1287,15 @@ dln_load(file) flags = BIND_DEFERRED; lib = shl_load(file, flags, 0); if (lib == NULL) { - rb_sys_fail(file); + extern int errno; + rb_loaderror("%s - %s", strerror(errno), file); } shl_findsym(&lib, buf, TYPE_PROCEDURE, (void*)&init_fct); if (init_fct == NULL) { shl_findsym(&lib, buf, TYPE_UNDEFINED, (void*)&init_fct); if (init_fct == NULL) { - extern int errno; errno = ENOSYM; - rb_sys_fail(file); + rb_loaderror("%s - %s", strerror(ENOSYM), file); } } (*init_fct)(); @@ -1276,7 +1303,7 @@ dln_load(file) } #endif /* hpux */ -#ifdef _AIX +#if defined(_AIX) #define DLN_DEFINED { void (*init_fct)(); @@ -1300,6 +1327,7 @@ dln_load(file) Mi hisho@tasihara.nest.or.jp, and... Miss ARAI Akino(^^;) ----------------------------------------------------*/ +#if NS_TARGET_MAJOR < 4 /* NeXTSTEP rld functions */ { unsigned long init_address; char *object_files[2] = {NULL, NULL}; @@ -1310,12 +1338,12 @@ dln_load(file) /* Load object file, if return value ==0 , load failed*/ if(rld_load(NULL, NULL, object_files, NULL) == 0) { - LoadError("Failed to load %.200s", file); + rb_loaderror("Failed to load %.200s", file); } /* lookup the initial function */ if(rld_lookup(NULL, buf, &init_address) == 0) { - LoadError("Failed to lookup Init function %.200s",file); + rb_loaderror("Failed to lookup Init function %.200s", file); } /* Cannot call *init_address directory, so copy this value to @@ -1325,8 +1353,133 @@ dln_load(file) (*init_fct)(); return ; } +#else/* OPENSTEP dyld functions */ + { + int dyld_result ; + NSObjectFileImage obj_file ; /* handle, but not use it */ + /* "file" is module file name . + "buf" is initial function name with "_" . */ + + void (*init_fct)(); + + + dyld_result = NSCreateObjectFileImageFromFile( file, &obj_file ); + + if (dyld_result != NSObjectFileImageSuccess) { + rb_loaderror("Failed to load %.200s", file); + } + + NSLinkModule(obj_file, file, TRUE); + + /* lookup the initial function */ + /*NSIsSymbolNameDefined require function name without "_" */ + if( NSIsSymbolNameDefined( buf + 1 ) ) { + rb_loaderror("Failed to lookup Init function %.200s",file); + } + + /* NSLookupAndBindSymbol require function name with "_" !! */ + init_fct = NSAddressOfSymbol( NSLookupAndBindSymbol( buf ) ); + (*init_fct)(); + + return ; + } +#endif /* rld or dyld */ #endif +#ifdef __BEOS__ +# define DLN_DEFINED + { + status_t err_stat; /* BeOS error status code */ + image_id img_id; /* extention module unique id */ + void (*init_fct)(); /* initialize function for extention module */ + + /* load extention module */ + img_id = load_add_on(file); + if (img_id <= 0) { + rb_loaderror("Failed to load %.200s", file); + } + + /* find symbol for module initialize function. */ + /* The Be Book KernelKit Images section described to use + B_SYMBOL_TYPE_TEXT for symbol of function, not + B_SYMBOL_TYPE_CODE. Why ? */ + /* strcat(init_fct_symname, "__Fv"); */ /* parameter nothing. */ + /* "__Fv" dont need! The Be Book Bug ? */ + err_stat = get_image_symbol(img_id, buf, + B_SYMBOL_TYPE_TEXT, &init_fct); + + if (err_stat != B_NO_ERROR) { + char real_name[1024]; + strcpy(real_name, buf); + strcat(real_name, "__Fv"); + err_stat = get_image_symbol(img_id, real_name, + B_SYMBOL_TYPE_TEXT, &init_fct); + } + + if ((B_BAD_IMAGE_ID == err_stat) || (B_BAD_INDEX == err_stat)) { + unload_add_on(img_id); + rb_loaderror("Failed to lookup Init function %.200s", file); + } + else if (B_NO_ERROR != err_stat) { + char errmsg[] = "Internal of BeOS version. %.200s (symbol_name = %s)"; + unload_add_on(img_id); + rb_loaderror(errmsg, strerror(err_stat), buf); + } + + /* call module initialize function. */ + (*init_fct)(); + return; + } +#endif /* __BEOS__*/ + +#ifdef __MACOS__ +# define DLN_DEFINED + { + OSErr err; + FSSpec libspec; + CFragConnectionID connID; + Ptr mainAddr; + char errMessage[1024]; + Boolean isfolder, didsomething; + Str63 fragname; + Ptr symAddr; + CFragSymbolClass class; + void (*init_fct)(); + char fullpath[MAXPATHLEN]; + + strcpy(fullpath, file); + + /* resolve any aliases to find the real file */ + c2pstr(fullpath); + (void)FSMakeFSSpec(0, 0, fullpath, &libspec); + err = ResolveAliasFile(&libspec, 1, &isfolder, &didsomething); + if ( err ) { + rb_loaderror("Unresolved Alias - %s", file); + } + + /* Load the fragment (or return the connID if it is already loaded */ + fragname[0] = 0; + err = GetDiskFragment(&libspec, 0, 0, fragname, + kLoadCFrag, &connID, &mainAddr, + errMessage); + if ( err ) { + p2cstr(errMessage); + rb_loaderror("%s - %s",errMessage , file); + } + + /* Locate the address of the correct init function */ + c2pstr(buf); + err = FindSymbol(connID, buf, &symAddr, &class); + if ( err ) { + rb_loaderror("Unresolved symbols - %s" , file); + } + + init_fct = (void (*)())symAddr; + (*init_fct)(); + return; + } +#endif /* __MACOS__ */ + #ifndef DLN_DEFINED rb_notimplement("dynamic link not supported"); #endif @@ -1335,7 +1488,7 @@ dln_load(file) #endif #if !defined(_AIX) && !defined(NeXT) failed: - LoadError("%s - %s", dln_strerror(), file); + rb_loaderror("%s - %s", dln_strerror(), file); #endif } @@ -1346,15 +1499,21 @@ dln_find_exe(fname, path) char *fname; char *path; { + if (!path) { #if defined(__human68k__) - if (!path) path = getenv("path"); - if (!path) - path = "/usr/local/bin;/usr/usb;/usr/bin;/bin;."; #else - if (!path) path = getenv("PATH"); - if (!path) path = "/usr/local/bin:/usr/ucb:/usr/bin:/bin:."; + path = getenv("PATH"); #endif + } + + if (!path) { +#if defined(MSDOS) || defined(NT) || defined(__human68k__) || defined(__MACOS__) + path = "/usr/local/bin;/usr/ucb;/usr/bin;/bin;."; +#else + path = "/usr/local/bin:/usr/ucb:/usr/bin:/bin:."; +#endif + } return dln_find_1(fname, path, 1); } @@ -1367,6 +1526,30 @@ dln_find_file(fname, path) return dln_find_1(fname, path, 0); } +#if defined(__CYGWIN32__) +char * +conv_to_posix_path(win32, posix) + char *win32; + char *posix; +{ + char *first = win32; + char *p = win32; + char *dst = posix; + + for (p = win32; *p; p++) + if (*p == ';') { + *p = 0; + cygwin32_conv_to_posix_path(first, posix); + posix += strlen(posix); + *posix++ = ':'; + first = p + 1; + *p = ';'; + } + cygwin32_conv_to_posix_path(first, posix); + return dst; +} +#endif + static char fbuf[MAXPATHLEN]; static char * @@ -1380,15 +1563,24 @@ dln_find_1(fname, path, exe_flag) register char *bp; struct stat st; +#if defined(__CYGWIN32__) + char rubypath[MAXPATHLEN]; + conv_to_posix_path(path, rubypath); + path = rubypath; +#endif +#ifndef __MACOS__ if (fname[0] == '/') return fname; if (strncmp("./", fname, 2) == 0 || strncmp("../", fname, 3) == 0) return fname; + if (exe_flag && strchr(fname, '/')) return fname; #if defined(MSDOS) || defined(NT) || defined(__human68k__) if (fname[0] == '\\') return fname; - if (fname[1] == ':') return fname; + if (strlen(fname) > 2 && fname[1] == ':') return fname; if (strncmp(".\\", fname, 2) == 0 || strncmp("..\\", fname, 3) == 0) return fname; + if (exe_flag && strchr(fname, '\\')) return fname; #endif +#endif /* __MACOS__ */ for (dp = path;; dp = ++ep) { register int l; @@ -1396,11 +1588,7 @@ dln_find_1(fname, path, exe_flag) int fspace; /* extract a component */ -#if !defined(MSDOS) && !defined(NT) && !defined(__human68k__) - ep = strchr(dp, ':'); -#else - ep = strchr(dp, ';'); -#endif + ep = strchr(dp, RUBY_PATH_SEP[0]); if (ep == NULL) ep = dp+strlen(dp); @@ -1417,7 +1605,11 @@ dln_find_1(fname, path, exe_flag) ** take the path literally. */ - if (*dp == '~' && (l == 1 || dp[1] == '/')) { + if (*dp == '~' && (l == 1 || +#if defined(MSDOS) || defined(NT) || defined(__human68k__) + dp[1] == '\\' || +#endif + dp[1] == '/')) { char *home; home = getenv("HOME"); @@ -1440,7 +1632,11 @@ dln_find_1(fname, path, exe_flag) /* add a "/" between directory and filename */ if (ep[-1] != '/') +#ifdef __MACOS__ + *bp++ = ':'; +#else *bp++ = '/'; +#endif } /* now append the file name */ |