1/* RTL specific diagnostic subroutines for GCC
2 Copyright (C) 2001-2017 Free Software Foundation, Inc.
3 Contributed by Gabriel Dos Reis <gdr@codesourcery.com>
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 3, or (at your option)
10any later version.
11
12GCC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING3. If not see
19<http://www.gnu.org/licenses/>. */
20
21#include "config.h"
22#include "system.h"
23#include "coretypes.h"
24#include "tm.h"
25#include "rtl-error.h"
26#include "diagnostic.h"
27#include "intl.h"
28
29static location_t location_for_asm (const rtx_insn *);
30static void diagnostic_for_asm (const rtx_insn *, const char *, va_list *,
31 diagnostic_t) ATTRIBUTE_GCC_DIAG(2,0);
32
33/* Figure the location of the given INSN. */
34static location_t
35location_for_asm (const rtx_insn *insn)
36{
37 rtx body = PATTERN (insn);
38 rtx asmop;
39 location_t loc;
40
41 /* Find the (or one of the) ASM_OPERANDS in the insn. */
42 if (GET_CODE (body) == SET && GET_CODE (SET_SRC (body)) == ASM_OPERANDS)
43 asmop = SET_SRC (body);
44 else if (GET_CODE (body) == ASM_OPERANDS)
45 asmop = body;
46 else if (GET_CODE (body) == PARALLEL
47 && GET_CODE (XVECEXP (body, 0, 0)) == SET)
48 asmop = SET_SRC (XVECEXP (body, 0, 0));
49 else if (GET_CODE (body) == PARALLEL
50 && GET_CODE (XVECEXP (body, 0, 0)) == ASM_OPERANDS)
51 asmop = XVECEXP (body, 0, 0);
52 else
53 asmop = NULL;
54
55 if (asmop)
56 loc = ASM_OPERANDS_SOURCE_LOCATION (asmop);
57 else
58 loc = input_location;
59 return loc;
60}
61
62/* Report a diagnostic MESSAGE (an error or a WARNING) at the line number
63 of the insn INSN. This is used only when INSN is an `asm' with operands,
64 and each ASM_OPERANDS records its own source file and line. */
65static void
66diagnostic_for_asm (const rtx_insn *insn, const char *msg, va_list *args_ptr,
67 diagnostic_t kind)
68{
69 diagnostic_info diagnostic;
70 rich_location richloc (line_table, location_for_asm (insn));
71
72 diagnostic_set_info (&diagnostic, msg, args_ptr,
73 &richloc, kind);
74 diagnostic_report_diagnostic (global_dc, &diagnostic);
75}
76
77void
78error_for_asm (const rtx_insn *insn, const char *gmsgid, ...)
79{
80 va_list ap;
81
82 va_start (ap, gmsgid);
83 diagnostic_for_asm (insn, gmsgid, &ap, DK_ERROR);
84 va_end (ap);
85}
86
87void
88warning_for_asm (const rtx_insn *insn, const char *gmsgid, ...)
89{
90 va_list ap;
91
92 va_start (ap, gmsgid);
93 diagnostic_for_asm (insn, gmsgid, &ap, DK_WARNING);
94 va_end (ap);
95}
96
97void
98_fatal_insn (const char *msgid, const_rtx insn, const char *file, int line,
99 const char *function)
100{
101 error ("%s", _(msgid));
102
103 /* The above incremented error_count, but isn't an error that we want to
104 count, so reset it here. */
105 errorcount--;
106
107 debug_rtx (insn);
108 fancy_abort (file, line, function);
109}
110
111void
112_fatal_insn_not_found (const_rtx insn, const char *file, int line,
113 const char *function)
114{
115 if (INSN_CODE (insn) < 0)
116 _fatal_insn ("unrecognizable insn:", insn, file, line, function);
117 else
118 _fatal_insn ("insn does not satisfy its constraints:",
119 insn, file, line, function);
120}
121