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+/* brigspec.c -- Specific flags and argument handling of the gcc BRIG front end.
+ Copyright (C) 2016 Free Software Foundation, Inc.
+ Contributed by Pekka Jaaskelainen <pekka.jaaskelainen@parmance.com>
+ for General Processor Tech.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "gcc.h"
+#include "opts.h"
+
+/* This bit is set if we saw a `-xfoo' language specification. */
+#define LANGSPEC (1 << 1)
+/* This bit is set if they did `-lm' or `-lmath'. */
+#define MATHLIB (1 << 2)
+/* This bit is set if they did `-lpthread'. */
+#define THREADLIB (1 << 3)
+/* This bit is set if they did `-lc'. */
+#define WITHLIBC (1 << 4)
+/* Skip this option. */
+#define SKIPOPT (1 << 5)
+
+#ifndef MATH_LIBRARY
+#define MATH_LIBRARY "m"
+#endif
+#ifndef MATH_LIBRARY_PROFILE
+#define MATH_LIBRARY_PROFILE MATH_LIBRARY
+#endif
+
+#define LIBHSAIL "hsail-rt"
+
+void
+lang_specific_driver (struct cl_decoded_option **in_decoded_options,
+ unsigned int *in_decoded_options_count,
+ int *in_added_libraries)
+{
+ unsigned int i, j;
+
+ /* The new argument list will be contained in this. */
+ struct cl_decoded_option *new_decoded_options;
+
+ /* An array used to flag each argument that needs a bit set for
+ LANGSPEC, MATHLIB, or WITHLIBC. */
+ int *args;
+
+ /* By default, we throw on the math library if we have one. */
+ int need_math = (MATH_LIBRARY[0] != '\0');
+
+ /* True if we should add -shared-libgcc to the command-line. */
+ int shared_libgcc = 1;
+
+ /* The total number of arguments with the new stuff. */
+ unsigned int argc;
+
+ /* The argument list. */
+ struct cl_decoded_option *decoded_options;
+
+ /* The number of libraries added in. */
+ int added_libraries;
+
+ /* The total number of arguments with the new stuff. */
+ int num_args = 1;
+
+ argc = *in_decoded_options_count;
+ decoded_options = *in_decoded_options;
+ added_libraries = *in_added_libraries;
+
+ args = XCNEWVEC (int, argc);
+
+ for (i = 1; i < argc; i++)
+ {
+ switch (decoded_options[i].opt_index)
+ {
+ case OPT_o:
+ break;
+
+ case OPT_SPECIAL_input_file:
+ break;
+ }
+ }
+
+ /* Make sure to have room for the trailing NULL argument. */
+ num_args = argc + need_math + shared_libgcc + 10;
+ new_decoded_options = XNEWVEC (struct cl_decoded_option, num_args);
+
+ i = 0;
+ j = 0;
+
+ /* Copy the 0th argument, i.e., the name of the program itself. */
+ new_decoded_options[j++] = decoded_options[i++];
+
+ /* NOTE: We start at 1 now, not 0. */
+ while (i < argc)
+ {
+ new_decoded_options[j] = decoded_options[i];
+
+ if ((args[i] & SKIPOPT) != 0)
+ --j;
+
+ i++;
+ j++;
+ }
+
+ generate_option (OPT_l, LIBHSAIL, 1, CL_DRIVER, &new_decoded_options[j]);
+ j++;
+
+ *in_decoded_options_count = j;
+ *in_decoded_options = new_decoded_options;
+ *in_added_libraries = added_libraries;
+}
+
+/* Called before linking. Returns 0 on success and -1 on failure. */
+
+int lang_specific_pre_link (void) /* Not used for Brig. */ { return 0; }
+
+/* Number of extra output files that lang_specific_pre_link may generate. */
+
+int lang_specific_extra_outfiles = 0; /* Not used for Brig. */