Mercurial > hg > CbC > CbC_gcc
comparison gcc/params.c @ 0:a06113de4d67
first commit
| author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 17 Jul 2009 14:47:48 +0900 |
| parents | |
| children | 77e2b8dfacca |
comparison
equal
deleted
inserted
replaced
| -1:000000000000 | 0:a06113de4d67 |
|---|---|
| 1 /* params.c - Run-time parameters. | |
| 2 Copyright (C) 2001, 2003, 2004, 2005, 2007, 2008 | |
| 3 Free Software Foundation, Inc. | |
| 4 Written by Mark Mitchell <mark@codesourcery.com>. | |
| 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 "params.h" | |
| 27 #include "toplev.h" | |
| 28 | |
| 29 /* An array containing the compiler parameters and their current | |
| 30 values. */ | |
| 31 | |
| 32 param_info *compiler_params; | |
| 33 | |
| 34 /* The number of entries in the table. */ | |
| 35 | |
| 36 static size_t num_compiler_params; | |
| 37 | |
| 38 /* Add the N PARAMS to the current list of compiler parameters. */ | |
| 39 | |
| 40 void | |
| 41 add_params (const param_info params[], size_t n) | |
| 42 { | |
| 43 /* Allocate enough space for the new parameters. */ | |
| 44 compiler_params = XRESIZEVEC (param_info, compiler_params, | |
| 45 num_compiler_params + n); | |
| 46 /* Copy them into the table. */ | |
| 47 memcpy (compiler_params + num_compiler_params, | |
| 48 params, | |
| 49 n * sizeof (param_info)); | |
| 50 /* Keep track of how many parameters we have. */ | |
| 51 num_compiler_params += n; | |
| 52 } | |
| 53 | |
| 54 /* Set the VALUE associated with the parameter given by NAME. */ | |
| 55 | |
| 56 void | |
| 57 set_param_value (const char *name, int value) | |
| 58 { | |
| 59 size_t i; | |
| 60 | |
| 61 /* Make sure nobody tries to set a parameter to an invalid value. */ | |
| 62 gcc_assert (value != INVALID_PARAM_VAL); | |
| 63 | |
| 64 /* Scan the parameter table to find a matching entry. */ | |
| 65 for (i = 0; i < num_compiler_params; ++i) | |
| 66 if (strcmp (compiler_params[i].option, name) == 0) | |
| 67 { | |
| 68 if (value < compiler_params[i].min_value) | |
| 69 error ("minimum value of parameter %qs is %u", | |
| 70 compiler_params[i].option, | |
| 71 compiler_params[i].min_value); | |
| 72 else if (compiler_params[i].max_value > compiler_params[i].min_value | |
| 73 && value > compiler_params[i].max_value) | |
| 74 error ("maximum value of parameter %qs is %u", | |
| 75 compiler_params[i].option, | |
| 76 compiler_params[i].max_value); | |
| 77 else | |
| 78 { | |
| 79 compiler_params[i].value = value; | |
| 80 compiler_params[i].set = true; | |
| 81 } | |
| 82 return; | |
| 83 } | |
| 84 | |
| 85 /* If we didn't find this parameter, issue an error message. */ | |
| 86 error ("invalid parameter %qs", name); | |
| 87 } |