| 1 | /* |
| 2 | * SPDX-License-Identifier: MIT |
| 3 | * |
| 4 | * Copyright (c) 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 5 | * |
| 6 | * Babeltrace - Debug info utilities |
| 7 | */ |
| 8 | |
| 9 | #include <stdbool.h> |
| 10 | #include <string.h> |
| 11 | |
| 12 | #include <babeltrace2/babeltrace.h> |
| 13 | |
| 14 | #include "debug-info.h" |
| 15 | #include "utils.h" |
| 16 | |
| 17 | BT_HIDDEN |
| 18 | const char *get_filename_from_path(const char *path) |
| 19 | { |
| 20 | size_t i = strlen(path); |
| 21 | |
| 22 | if (i == 0) { |
| 23 | goto end; |
| 24 | } |
| 25 | |
| 26 | if (path[i - 1] == '/') { |
| 27 | /* |
| 28 | * Path ends with a trailing slash, no filename to return. |
| 29 | * Return the original path. |
| 30 | */ |
| 31 | goto end; |
| 32 | } |
| 33 | |
| 34 | while (i-- > 0) { |
| 35 | if (path[i] == '/') { |
| 36 | path = &path[i + 1]; |
| 37 | goto end; |
| 38 | } |
| 39 | } |
| 40 | end: |
| 41 | return path; |
| 42 | } |
| 43 | |
| 44 | BT_HIDDEN |
| 45 | bool is_event_common_ctx_dbg_info_compatible(const bt_field_class *in_field_class, |
| 46 | const char *debug_info_field_class_name) |
| 47 | { |
| 48 | const bt_field_class_structure_member *member; |
| 49 | const bt_field_class *ip_fc, *vpid_fc; |
| 50 | bool match = false; |
| 51 | |
| 52 | /* |
| 53 | * If the debug info field is already present in the event common |
| 54 | * context. Do not try to add it. |
| 55 | */ |
| 56 | member = bt_field_class_structure_borrow_member_by_name_const( |
| 57 | in_field_class, debug_info_field_class_name); |
| 58 | if (member) { |
| 59 | goto end; |
| 60 | } |
| 61 | |
| 62 | /* |
| 63 | * Verify that the ip and vpid field are present and of the right field |
| 64 | * class. |
| 65 | */ |
| 66 | member = bt_field_class_structure_borrow_member_by_name_const( |
| 67 | in_field_class, IP_FIELD_NAME); |
| 68 | if (!member) { |
| 69 | goto end; |
| 70 | } |
| 71 | |
| 72 | ip_fc = bt_field_class_structure_member_borrow_field_class_const( |
| 73 | member); |
| 74 | if (bt_field_class_get_type(ip_fc) != |
| 75 | BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER) { |
| 76 | goto end; |
| 77 | } |
| 78 | |
| 79 | member = bt_field_class_structure_borrow_member_by_name_const( |
| 80 | in_field_class, VPID_FIELD_NAME); |
| 81 | if (!member) { |
| 82 | goto end; |
| 83 | } |
| 84 | |
| 85 | vpid_fc = bt_field_class_structure_member_borrow_field_class_const( |
| 86 | member); |
| 87 | if (bt_field_class_get_type(vpid_fc) != |
| 88 | BT_FIELD_CLASS_TYPE_SIGNED_INTEGER) { |
| 89 | goto end; |
| 90 | } |
| 91 | |
| 92 | if (bt_field_class_integer_get_field_value_range(vpid_fc) != 32) { |
| 93 | goto end; |
| 94 | } |
| 95 | |
| 96 | match = true; |
| 97 | |
| 98 | end: |
| 99 | return match; |
| 100 | } |