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[official-gcc.git] / gcc / rtl-error.c
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1 /* RTL specific diagnostic subroutines for GCC
2 Copyright (C) 2001-2014 Free Software Foundation, Inc.
3 Contributed by Gabriel Dos Reis <gdr@codesourcery.com>
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
10 any later version.
12 GCC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
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/>. */
21 #include "config.h"
22 #include "system.h"
23 #include "coretypes.h"
24 #include "tm.h"
25 #include "rtl-error.h"
26 #include "insn-attr.h"
27 #include "insn-config.h"
28 #include "input.h"
29 #include "intl.h"
30 #include "diagnostic.h"
32 static location_t location_for_asm (const rtx_insn *);
33 static void diagnostic_for_asm (const rtx_insn *, const char *, va_list *,
34 diagnostic_t) ATTRIBUTE_GCC_DIAG(2,0);
36 /* Figure the location of the given INSN. */
37 static location_t
38 location_for_asm (const rtx_insn *insn)
40 rtx body = PATTERN (insn);
41 rtx asmop;
42 location_t loc;
44 /* Find the (or one of the) ASM_OPERANDS in the insn. */
45 if (GET_CODE (body) == SET && GET_CODE (SET_SRC (body)) == ASM_OPERANDS)
46 asmop = SET_SRC (body);
47 else if (GET_CODE (body) == ASM_OPERANDS)
48 asmop = body;
49 else if (GET_CODE (body) == PARALLEL
50 && GET_CODE (XVECEXP (body, 0, 0)) == SET)
51 asmop = SET_SRC (XVECEXP (body, 0, 0));
52 else if (GET_CODE (body) == PARALLEL
53 && GET_CODE (XVECEXP (body, 0, 0)) == ASM_OPERANDS)
54 asmop = XVECEXP (body, 0, 0);
55 else
56 asmop = NULL;
58 if (asmop)
59 loc = ASM_OPERANDS_SOURCE_LOCATION (asmop);
60 else
61 loc = input_location;
62 return loc;
65 /* Report a diagnostic MESSAGE (an error or a WARNING) at the line number
66 of the insn INSN. This is used only when INSN is an `asm' with operands,
67 and each ASM_OPERANDS records its own source file and line. */
68 static void
69 diagnostic_for_asm (const rtx_insn *insn, const char *msg, va_list *args_ptr,
70 diagnostic_t kind)
72 diagnostic_info diagnostic;
74 diagnostic_set_info (&diagnostic, msg, args_ptr,
75 location_for_asm (insn), kind);
76 report_diagnostic (&diagnostic);
79 void
80 error_for_asm (const rtx_insn *insn, const char *gmsgid, ...)
82 va_list ap;
84 va_start (ap, gmsgid);
85 diagnostic_for_asm (insn, gmsgid, &ap, DK_ERROR);
86 va_end (ap);
89 void
90 warning_for_asm (const rtx_insn *insn, const char *gmsgid, ...)
92 va_list ap;
94 va_start (ap, gmsgid);
95 diagnostic_for_asm (insn, gmsgid, &ap, DK_WARNING);
96 va_end (ap);
99 void
100 _fatal_insn (const char *msgid, const_rtx insn, const char *file, int line,
101 const char *function)
103 error ("%s", _(msgid));
105 /* The above incremented error_count, but isn't an error that we want to
106 count, so reset it here. */
107 errorcount--;
109 debug_rtx (insn);
110 fancy_abort (file, line, function);
113 void
114 _fatal_insn_not_found (const_rtx insn, const char *file, int line,
115 const char *function)
117 if (INSN_CODE (insn) < 0)
118 _fatal_insn ("unrecognizable insn:", insn, file, line, function);
119 else
120 _fatal_insn ("insn does not satisfy its constraints:",
121 insn, file, line, function);