102 lines
2.0 KiB
C
102 lines
2.0 KiB
C
/* Copyright (C) 2016 Jeremiah Orians
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* This file is part of stage0.
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*
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* stage0 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* stage0 is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with stage0. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <string.h>
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/* Unique instruction type */
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struct instruction_trace
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{
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uint64_t count;
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char name[255];
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struct instruction_trace* next;
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struct instruction_trace* prev;
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};
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static struct instruction_trace* traces;
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struct instruction_trace* create_trace(char* c)
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{
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struct instruction_trace* p;
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p = calloc(1, sizeof(struct instruction_trace));
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strncpy(p->name, c, 255);
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p->count = 1;
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return p;
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}
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struct instruction_trace* add_trace(struct instruction_trace* head, struct instruction_trace* p)
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{
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if(NULL == head)
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{
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return p;
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}
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if(NULL == head->next)
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{
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head->next = p;
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p->prev = head;
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}
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else
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{
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add_trace(head->next, p);
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}
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return head;
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}
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bool update_trace(struct instruction_trace* p, char* c)
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{
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if(0 == strncmp(p->name, c, 255))
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{
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p->count = p->count + 1;
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return true;
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}
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if(NULL != p->next)
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{
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return update_trace(p->next, c);
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}
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return false;
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}
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void record_trace(char* c)
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{
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if((NULL != traces) && (update_trace(traces, c)))
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{
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return;
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}
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traces = add_trace(traces, create_trace(c));
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}
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struct instruction_trace* print_trace(struct instruction_trace* p)
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{
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printf("%s\t%u\n", p->name, (unsigned int)p->count);
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return p->next;
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}
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void print_traces()
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{
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struct instruction_trace* i = traces;
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while(NULL != i)
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{
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i = print_trace(i);
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}
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}
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