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// Copyright 2014 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef AUTOFDO_SYMBOLIZE_LINE_STATE_MACHINE_H__
#define AUTOFDO_SYMBOLIZE_LINE_STATE_MACHINE_H__
namespace autofdo {
// This is the format of a DWARF2/3 line state machine that we process
// opcodes using. There is no need for anything outside the lineinfo
// processor to know how this works.
struct LineStateMachine {
void Reset(bool default_is_stmt) {
file_num = 1;
address = 0;
line_num = 1;
column_num = 0;
discriminator = 0;
is_stmt = default_is_stmt;
basic_block = false;
end_sequence = false;
context = 0;
subprog_num = 0;
}
uint64 address;
uint64 line_num;
uint32 file_num;
uint32 column_num;
uint32 discriminator;
uint32 context;
uint32 subprog_num;
bool is_stmt; // stmt means statement.
bool basic_block;
bool end_sequence;
};
} // namespace autofdo
#endif // AUTOFDO_SYMBOLIZE_LINE_STATE_MACHINE_H__
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