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Diffstat (limited to 'contrib/gcc/params.c')
-rw-r--r-- | contrib/gcc/params.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/contrib/gcc/params.c b/contrib/gcc/params.c new file mode 100644 index 000000000000..b32f9b625d04 --- /dev/null +++ b/contrib/gcc/params.c @@ -0,0 +1,84 @@ +/* params.c - Run-time parameters. + Copyright (C) 2001 Free Software Foundation, Inc. + Written by Mark Mitchell <mark@codesourcery.com>. + +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 2, 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 COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA +02111-1307, USA. + +*/ + +#include "config.h" +#include "system.h" +#include "params.h" +#include "toplev.h" + +/* An array containing the compiler parameters and their current + values. */ + +param_info *compiler_params; + +/* The number of entries in the table. */ + +static size_t num_compiler_params; + +/* Add the N PARAMS to the current list of compiler parameters. */ + +void +add_params (params, n) + const param_info params[]; + size_t n; +{ + /* Allocate enough space for the new parameters. */ + compiler_params = + ((param_info *) + xrealloc (compiler_params, + (num_compiler_params + n) * sizeof (param_info))); + /* Copy them into the table. */ + memcpy (compiler_params + num_compiler_params, + params, + n * sizeof (param_info)); + /* Keep track of how many parameters we have. */ + num_compiler_params += n; +} + +/* Set the VALUE associated with the parameter given by NAME. */ + +void +set_param_value (name, value) + const char *name; + int value; +{ + size_t i; + + /* Make sure nobody tries to set a parameter to an invalid value. */ + if (value == INVALID_PARAM_VAL) + abort (); + + /* Scan the parameter table to find a matching entry. */ + for (i = 0; i < num_compiler_params; ++i) + if (strcmp (compiler_params[i].option, name) == 0) + { + compiler_params[i].value = value; + return; + } + + /* If we didn't find this parameter, issue an error message. */ + error ("invalid parameter `%s'", name); +} + + + |