1 /* brigspec.c -- Specific flags and argument handling of the gcc BRIG front end. 2 Copyright (C) 2016-2019 Free Software Foundation, Inc. 3 Contributed by Pekka Jaaskelainen <pekka.jaaskelainen@parmance.com> 4 for General Processor Tech. 5 6 This file is part of GCC. 7 8 GCC is free software; you can redistribute it and/or modify it under 9 the terms of the GNU General Public License as published by the Free 10 Software Foundation; either version 3, or (at your option) any later 11 version. 12 13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 14 WARRANTY; without even the implied warranty of MERCHANTABILITY or 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 16 for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with GCC; see the file COPYING3. If not see 20 <http://www.gnu.org/licenses/>. */ 21 22 #include "config.h" 23 #include "system.h" 24 #include "coretypes.h" 25 #include "tm.h" 26 #include "opt-suggestions.h" 27 #include "gcc.h" 28 #include "opts.h" 29 30 /* This bit is set if we saw a `-xfoo' language specification. */ 31 #define LANGSPEC (1 << 1) 32 /* This bit is set if they did `-lm' or `-lmath'. */ 33 #define MATHLIB (1 << 2) 34 /* This bit is set if they did `-lpthread'. */ 35 #define THREADLIB (1 << 3) 36 /* This bit is set if they did `-lc'. */ 37 #define WITHLIBC (1 << 4) 38 /* Skip this option. */ 39 #define SKIPOPT (1 << 5) 40 41 #ifndef MATH_LIBRARY 42 #define MATH_LIBRARY "m" 43 #endif 44 #ifndef MATH_LIBRARY_PROFILE 45 #define MATH_LIBRARY_PROFILE MATH_LIBRARY 46 #endif 47 48 #define LIBHSAIL "hsail-rt" 49 50 void 51 lang_specific_driver (struct cl_decoded_option **in_decoded_options, 52 unsigned int *in_decoded_options_count, 53 int *in_added_libraries) 54 { 55 unsigned int i, j; 56 57 /* The new argument list will be contained in this. */ 58 struct cl_decoded_option *new_decoded_options; 59 60 /* An array used to flag each argument that needs a bit set for 61 LANGSPEC, MATHLIB, or WITHLIBC. */ 62 int *args; 63 64 /* By default, we throw on the math library if we have one. */ 65 int need_math = (MATH_LIBRARY[0] != '\0'); 66 67 /* True if we should add -shared-libgcc to the command-line. */ 68 int shared_libgcc = 1; 69 70 /* The total number of arguments with the new stuff. */ 71 unsigned int argc; 72 73 /* The argument list. */ 74 struct cl_decoded_option *decoded_options; 75 76 /* The number of libraries added in. */ 77 int added_libraries; 78 79 /* The total number of arguments with the new stuff. */ 80 int num_args = 1; 81 82 argc = *in_decoded_options_count; 83 decoded_options = *in_decoded_options; 84 added_libraries = *in_added_libraries; 85 86 args = XCNEWVEC (int, argc); 87 88 for (i = 1; i < argc; i++) 89 { 90 switch (decoded_options[i].opt_index) 91 { 92 case OPT_o: 93 break; 94 95 case OPT_SPECIAL_input_file: 96 break; 97 } 98 } 99 100 /* Make sure to have room for the trailing NULL argument. */ 101 num_args = argc + need_math + shared_libgcc + 10; 102 new_decoded_options = XNEWVEC (struct cl_decoded_option, num_args); 103 104 i = 0; 105 j = 0; 106 107 /* Copy the 0th argument, i.e., the name of the program itself. */ 108 new_decoded_options[j++] = decoded_options[i++]; 109 110 /* NOTE: We start at 1 now, not 0. */ 111 while (i < argc) 112 { 113 new_decoded_options[j] = decoded_options[i]; 114 115 if ((args[i] & SKIPOPT) != 0) 116 --j; 117 118 i++; 119 j++; 120 } 121 122 generate_option (OPT_l, LIBHSAIL, 1, CL_DRIVER, &new_decoded_options[j]); 123 j++; 124 125 *in_decoded_options_count = j; 126 *in_decoded_options = new_decoded_options; 127 *in_added_libraries = added_libraries; 128 } 129 130 /* Called before linking. Returns 0 on success and -1 on failure. */ 131 132 int lang_specific_pre_link (void) /* Not used for Brig. */ { return 0; } 133 134 /* Number of extra output files that lang_specific_pre_link may generate. */ 135 136 int lang_specific_extra_outfiles = 0; /* Not used for Brig. */ 137