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>
4
5 This file is part of GCC.
6
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.
11
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.
16
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/>. */
20
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"
31
32 static location_t location_for_asm (const_rtx);
33 static void diagnostic_for_asm (const_rtx, const char *, va_list *, diagnostic_t) ATTRIBUTE_GCC_DIAG(2,0);
34
35 /* Figure the location of the given INSN. */
36 static location_t
location_for_asm(const_rtx insn)37 location_for_asm (const_rtx insn)
38 {
39 rtx body = PATTERN (insn);
40 rtx asmop;
41 location_t loc;
42
43 /* Find the (or one of the) ASM_OPERANDS in the insn. */
44 if (GET_CODE (body) == SET && GET_CODE (SET_SRC (body)) == ASM_OPERANDS)
45 asmop = SET_SRC (body);
46 else if (GET_CODE (body) == ASM_OPERANDS)
47 asmop = body;
48 else if (GET_CODE (body) == PARALLEL
49 && GET_CODE (XVECEXP (body, 0, 0)) == SET)
50 asmop = SET_SRC (XVECEXP (body, 0, 0));
51 else if (GET_CODE (body) == PARALLEL
52 && GET_CODE (XVECEXP (body, 0, 0)) == ASM_OPERANDS)
53 asmop = XVECEXP (body, 0, 0);
54 else
55 asmop = NULL;
56
57 if (asmop)
58 loc = ASM_OPERANDS_SOURCE_LOCATION (asmop);
59 else
60 loc = input_location;
61 return loc;
62 }
63
64 /* Report a diagnostic MESSAGE (an error or a WARNING) at the line number
65 of the insn INSN. This is used only when INSN is an `asm' with operands,
66 and each ASM_OPERANDS records its own source file and line. */
67 static void
diagnostic_for_asm(const_rtx insn,const char * msg,va_list * args_ptr,diagnostic_t kind)68 diagnostic_for_asm (const_rtx insn, const char *msg, va_list *args_ptr,
69 diagnostic_t kind)
70 {
71 diagnostic_info diagnostic;
72
73 diagnostic_set_info (&diagnostic, msg, args_ptr,
74 location_for_asm (insn), kind);
75 report_diagnostic (&diagnostic);
76 }
77
78 void
error_for_asm(const_rtx insn,const char * gmsgid,...)79 error_for_asm (const_rtx insn, const char *gmsgid, ...)
80 {
81 va_list ap;
82
83 va_start (ap, gmsgid);
84 diagnostic_for_asm (insn, gmsgid, &ap, DK_ERROR);
85 va_end (ap);
86 }
87
88 void
warning_for_asm(const_rtx insn,const char * gmsgid,...)89 warning_for_asm (const_rtx insn, const char *gmsgid, ...)
90 {
91 va_list ap;
92
93 va_start (ap, gmsgid);
94 diagnostic_for_asm (insn, gmsgid, &ap, DK_WARNING);
95 va_end (ap);
96 }
97
98 void
_fatal_insn(const char * msgid,const_rtx insn,const char * file,int line,const char * function)99 _fatal_insn (const char *msgid, const_rtx insn, const char *file, int line,
100 const char *function)
101 {
102 error ("%s", _(msgid));
103
104 /* The above incremented error_count, but isn't an error that we want to
105 count, so reset it here. */
106 errorcount--;
107
108 debug_rtx (insn);
109 fancy_abort (file, line, function);
110 }
111
112 void
_fatal_insn_not_found(const_rtx insn,const char * file,int line,const char * function)113 _fatal_insn_not_found (const_rtx insn, const char *file, int line,
114 const char *function)
115 {
116 if (INSN_CODE (insn) < 0)
117 _fatal_insn ("unrecognizable insn:", insn, file, line, function);
118 else
119 _fatal_insn ("insn does not satisfy its constraints:",
120 insn, file, line, function);
121 }
122