1 /* Wrapper for ar/ranlib/nm to pass the LTO plugin. 2 Copyright (C) 2011, 2012 Free Software Foundation, Inc. 3 Contributed by Andi Kleen. 4 5 This file is part of GCC. 6 7 GCC is free software; you can redistribute it and/or modify it under 8 the terms of the GNU General Public License as published by the Free 9 Software Foundation; either version 3, or (at your option) any later 10 version. 11 12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13 WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with GCC; see the file COPYING3. If not see 19 <http://www.gnu.org/licenses/>. */ 20 21 #include "config.h" 22 #include "system.h" 23 #include "libiberty.h" 24 25 #ifndef PERSONALITY 26 #error "Please set personality" 27 #endif 28 29 static const char standard_libexec_prefix[] = STANDARD_LIBEXEC_PREFIX; 30 static const char standard_bin_prefix[] = STANDARD_BINDIR_PREFIX; 31 static const char *const target_machine = TARGET_MACHINE; 32 33 static const char dir_separator[] = { DIR_SEPARATOR, 0 }; 34 35 int 36 main(int ac, char **av) 37 { 38 const char *nprefix; 39 const char *exe_name; 40 char *plugin; 41 int k, status, err; 42 const char *err_msg; 43 const char **nargv; 44 bool is_ar = !strcmp (PERSONALITY, "ar"); 45 46 exe_name = PERSONALITY; 47 #ifdef CROSS_DIRECTORY_STRUCTURE 48 exe_name = concat (target_machine, "-", exe_name, NULL); 49 #endif 50 51 /* Find plugin */ 52 /* XXX implement more magic from gcc.c? */ 53 nprefix = getenv ("GCC_EXEC_PREFIX"); 54 if (!nprefix) 55 nprefix = av[0]; 56 else 57 nprefix = concat (nprefix, "gcc-" PERSONALITY, NULL); 58 59 nprefix = make_relative_prefix (nprefix, 60 standard_bin_prefix, 61 standard_libexec_prefix); 62 if (nprefix == NULL) 63 nprefix = standard_libexec_prefix; 64 65 plugin = concat (nprefix, 66 dir_separator, 67 DEFAULT_TARGET_MACHINE, 68 dir_separator, 69 DEFAULT_TARGET_VERSION, 70 dir_separator, 71 LTOPLUGINSONAME, 72 NULL); 73 if (access (plugin, R_OK)) 74 { 75 fprintf (stderr, "%s: Cannot find plugin %s\n", av[0], plugin); 76 exit (1); 77 } 78 79 /* Create new command line with plugin */ 80 nargv = XCNEWVEC (const char *, ac + 4); 81 nargv[0] = exe_name; 82 nargv[1] = "--plugin"; 83 nargv[2] = plugin; 84 if (is_ar && av[1] && av[1][0] != '-') 85 av[1] = concat("-", av[1], NULL); 86 for (k = 1; k < ac; k++) 87 nargv[2 + k] = av[k]; 88 nargv[2 + k] = NULL; 89 90 /* Run utility */ 91 /* ??? the const is misplaced in pex_one's argv? */ 92 err_msg = pex_one (PEX_LAST|PEX_SEARCH, 93 exe_name, 94 CONST_CAST2 (char * const *, const char **, nargv), 95 concat("gcc-", exe_name, NULL), 96 NULL,NULL, &status, &err); 97 if (err_msg) 98 fprintf(stderr, "Error running %s: %s\n", exe_name, err_msg); 99 100 return err; 101 } 102