1 /* -*- mesa-c++ -*-
2 *
3 * Copyright (c) 2019 Collabora LTD
4 *
5 * Author: Gert Wollny <gert.wollny@collabora.com>
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * on the rights to use, copy, modify, merge, publish, distribute, sub
11 * license, and/or sell copies of the Software, and to permit persons to whom
12 * the Software is furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the next
15 * paragraph) shall be included in all copies or substantial portions of the
16 * Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24 * USE OR OTHER DEALINGS IN THE SOFTWARE.
25 */
26
27 #include "sfn_debug.h"
28
29 #include "util/u_debug.h"
30
31 namespace r600 {
32
stderr_streambuf()33 stderr_streambuf::stderr_streambuf() {}
34
35 int
sync()36 stderr_streambuf::sync()
37 {
38 fflush(stderr);
39 return 0;
40 }
41
42 int
overflow(int c)43 stderr_streambuf::overflow(int c)
44 {
45 fputc(c, stderr);
46 return 0;
47 }
48
49 static const struct debug_named_value sfn_debug_options[] = {
50 {"instr", SfnLog::instr, "Log all consumed nir instructions" },
51 {"ir", SfnLog::r600ir, "Log created R600 IR" },
52 {"cc", SfnLog::cc, "Log R600 IR to assembly code creation"},
53 {"noerr", SfnLog::err, "Don't log shader conversion errors" },
54 {"si", SfnLog::shader_info, "Log shader info (non-zero values)" },
55 {"ts", SfnLog::test_shader, "Log shaders in tests" },
56 {"reg", SfnLog::reg, "Log register allocation and lookup" },
57 {"io", SfnLog::io, "Log shader in and output" },
58 {"ass", SfnLog::assembly, "Log IR to assembly conversion" },
59 {"flow", SfnLog::flow, "Log Flow instructions" },
60 {"merge", SfnLog::merge, "Log register merge operations" },
61 {"nomerge", SfnLog::nomerge, "Skip register merge step" },
62 {"tex", SfnLog::tex, "Log texture ops" },
63 {"trans", SfnLog::trans, "Log generic translation messages" },
64 {"schedule", SfnLog::schedule, "Log scheduling" },
65 {"opt", SfnLog::opt, "Log optimization" },
66 {"steps", SfnLog::steps, "Log shaders at transformation steps" },
67 {"noopt", SfnLog::noopt, "Don't run backend optimizations" },
68 {"warn" , SfnLog::warn, "Print warnings" },
69 DEBUG_NAMED_VALUE_END
70 };
71
72 SfnLog sfn_log;
73
74 std::streamsize
xsputn(const char * s,std::streamsize n)75 stderr_streambuf::xsputn(const char *s, std::streamsize n)
76 {
77 std::streamsize i = n;
78 while (i--)
79 fputc(*s++, stderr);
80 return n;
81 }
82
SfnLog()83 SfnLog::SfnLog():
84 m_active_log_flags(0),
85 m_log_mask(0),
86 m_buf(),
87 m_output(&m_buf)
88 {
89 m_log_mask = debug_get_flags_option("R600_NIR_DEBUG", sfn_debug_options, 0);
90 m_log_mask ^= err;
91 }
92
93 SfnLog&
operator <<(SfnLog::LogFlag const l)94 SfnLog::operator<<(SfnLog::LogFlag const l)
95 {
96 m_active_log_flags = l;
97 return *this;
98 }
99
100 SfnLog&
operator <<(UNUSED std::ostream & (* f)(std::ostream &))101 SfnLog::operator<<(UNUSED std::ostream& (*f)(std::ostream&))
102 {
103 if (m_active_log_flags & m_log_mask)
104 m_output << f;
105 return *this;
106 }
107
108 SfnLog&
operator <<(nir_shader & sh)109 SfnLog::operator<<(nir_shader& sh)
110 {
111 if (m_active_log_flags & m_log_mask)
112 nir_print_shader(&sh, stderr);
113 return *this;
114 }
115
116 SfnLog&
operator <<(nir_instr & instr)117 SfnLog::operator<<(nir_instr& instr)
118 {
119 if (m_active_log_flags & m_log_mask)
120 nir_print_instr(&instr, stderr);
121 return *this;
122 }
123
SfnTrace(SfnLog::LogFlag flag,const char * msg)124 SfnTrace::SfnTrace(SfnLog::LogFlag flag, const char *msg):
125 m_flag(flag),
126 m_msg(msg)
127 {
128 sfn_log << m_flag << std::string( 2 * m_indention++, ' ') << "BEGIN: " << m_msg << "\n";
129 }
130
~SfnTrace()131 SfnTrace::~SfnTrace()
132 {
133 assert(m_indention > 0);
134 sfn_log << m_flag << std::string( 2 * m_indention--, ' ') << "END: " << m_msg << "\n";
135 }
136
137 int SfnTrace::m_indention = 0;
138
139 } // namespace r600
140