tools/perf/util/bpf-filter.c

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #include <stdlib.h>
   3
   4 #include "util/bpf-filter.h"
   5 #include "util/bpf-filter-flex.h"
   6 #include "util/bpf-filter-bison.h"
   7
   8 struct perf_bpf_filter_expr *perf_bpf_filter_expr__new(unsigned long sample_flags,
   9                                                        enum perf_bpf_filter_op op,
  10                                                        unsigned long val)
  11 {
  12         struct perf_bpf_filter_expr *expr;
  13
  14         expr = malloc(sizeof(*expr));
  15         if (expr != NULL) {
  16                 expr->sample_flags = sample_flags;
  17                 expr->op = op;
  18                 expr->val = val;
  19         }
  20         return expr;
  21 }
  22
  23 int perf_bpf_filter__parse(struct list_head *expr_head, const char *str)
  24 {
  25         YY_BUFFER_STATE buffer;
  26         int ret;
  27
  28         buffer = perf_bpf_filter__scan_string(str);
  29
  30         ret = perf_bpf_filter_parse(expr_head);
  31
  32         perf_bpf_filter__flush_buffer(buffer);
  33         perf_bpf_filter__delete_buffer(buffer);
  34         perf_bpf_filter_lex_destroy();
  35
  36         return ret;
  37 }