^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #include "debug.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #include "dsos.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #include "dso.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include "vdso.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include "namespaces.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <libgen.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <stdlib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <symbol.h> // filename__read_build_id
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) static int __dso_id__cmp(struct dso_id *a, struct dso_id *b)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) if (a->maj > b->maj) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) if (a->maj < b->maj) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) if (a->min > b->min) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) if (a->min < b->min) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) if (a->ino > b->ino) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) if (a->ino < b->ino) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) if (a->ino_generation > b->ino_generation) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) if (a->ino_generation < b->ino_generation) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static bool dso_id__empty(struct dso_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) if (!id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) return !id->maj && !id->min && !id->ino && !id->ino_generation;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) static void dso__inject_id(struct dso *dso, struct dso_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) dso->id.maj = id->maj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) dso->id.min = id->min;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) dso->id.ino = id->ino;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) dso->id.ino_generation = id->ino_generation;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) static int dso_id__cmp(struct dso_id *a, struct dso_id *b)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) * The second is always dso->id, so zeroes if not set, assume passing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) * NULL for a means a zeroed id
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) if (dso_id__empty(a) || dso_id__empty(b))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) return __dso_id__cmp(a, b);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) int dso__cmp_id(struct dso *a, struct dso *b)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) return __dso_id__cmp(&a->id, &b->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) bool __dsos__read_build_ids(struct list_head *head, bool with_hits)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) bool have_build_id = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) struct dso *pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) struct nscookie nsc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) list_for_each_entry(pos, head, node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) if (with_hits && !pos->hit && !dso__is_vdso(pos))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) if (pos->has_build_id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) have_build_id = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) nsinfo__mountns_enter(pos->nsinfo, &nsc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) if (filename__read_build_id(pos->long_name, &pos->bid) > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) have_build_id = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) pos->has_build_id = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) nsinfo__mountns_exit(&nsc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) return have_build_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) static int __dso__cmp_long_name(const char *long_name, struct dso_id *id, struct dso *b)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) int rc = strcmp(long_name, b->long_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) return rc ?: dso_id__cmp(id, &b->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) static int __dso__cmp_short_name(const char *short_name, struct dso_id *id, struct dso *b)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) int rc = strcmp(short_name, b->short_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) return rc ?: dso_id__cmp(id, &b->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) static int dso__cmp_short_name(struct dso *a, struct dso *b)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) return __dso__cmp_short_name(a->short_name, &a->id, b);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) * Find a matching entry and/or link current entry to RB tree.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) * Either one of the dso or name parameter must be non-NULL or the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) * function will not work.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) struct dso *__dsos__findnew_link_by_longname_id(struct rb_root *root, struct dso *dso,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) const char *name, struct dso_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) struct rb_node **p = &root->rb_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) struct rb_node *parent = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) if (!name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) name = dso->long_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) * Find node with the matching name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) while (*p) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) struct dso *this = rb_entry(*p, struct dso, rb_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) int rc = __dso__cmp_long_name(name, id, this);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) parent = *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) if (rc == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) * In case the new DSO is a duplicate of an existing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) * one, print a one-time warning & put the new entry
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) * at the end of the list of duplicates.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) if (!dso || (dso == this))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) return this; /* Find matching dso */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) * The core kernel DSOs may have duplicated long name.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) * In this case, the short name should be different.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) * Comparing the short names to differentiate the DSOs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) rc = dso__cmp_short_name(dso, this);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) if (rc == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) pr_err("Duplicated dso name: %s\n", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) p = &parent->rb_left;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) p = &parent->rb_right;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) if (dso) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) /* Add new node and rebalance tree */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) rb_link_node(&dso->rb_node, parent, p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) rb_insert_color(&dso->rb_node, root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) dso->root = root;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) void __dsos__add(struct dsos *dsos, struct dso *dso)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) list_add_tail(&dso->node, &dsos->head);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) __dsos__findnew_link_by_longname_id(&dsos->root, dso, NULL, &dso->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) * It is now in the linked list, grab a reference, then garbage collect
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) * this when needing memory, by looking at LRU dso instances in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) * list with atomic_read(&dso->refcnt) == 1, i.e. no references
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) * anywhere besides the one for the list, do, under a lock for the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) * list: remove it from the list, then a dso__put(), that probably will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) * be the last and will then call dso__delete(), end of life.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) * That, or at the end of the 'struct machine' lifetime, when all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) * 'struct dso' instances will be removed from the list, in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) * dsos__exit(), if they have no other reference from some other data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) * structure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) * E.g.: after processing a 'perf.data' file and storing references
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) * to objects instantiated while processing events, we will have
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) * references to the 'thread', 'map', 'dso' structs all from 'struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) * hist_entry' instances, but we may not need anything not referenced,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) * so we might as well call machines__exit()/machines__delete() and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) * garbage collect it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) dso__get(dso);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) void dsos__add(struct dsos *dsos, struct dso *dso)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) down_write(&dsos->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) __dsos__add(dsos, dso);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) up_write(&dsos->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) static struct dso *__dsos__findnew_by_longname_id(struct rb_root *root, const char *name, struct dso_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) return __dsos__findnew_link_by_longname_id(root, NULL, name, id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) static struct dso *__dsos__find_id(struct dsos *dsos, const char *name, struct dso_id *id, bool cmp_short)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) struct dso *pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) if (cmp_short) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) list_for_each_entry(pos, &dsos->head, node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) if (__dso__cmp_short_name(name, id, pos) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) return pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) return __dsos__findnew_by_longname_id(&dsos->root, name, id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) struct dso *__dsos__find(struct dsos *dsos, const char *name, bool cmp_short)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) return __dsos__find_id(dsos, name, NULL, cmp_short);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) static void dso__set_basename(struct dso *dso)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) char *base, *lname;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) int tid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) if (sscanf(dso->long_name, "/tmp/perf-%d.map", &tid) == 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) if (asprintf(&base, "[JIT] tid %d", tid) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) * basename() may modify path buffer, so we must pass
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) * a copy.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) lname = strdup(dso->long_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) if (!lname)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) * basename() may return a pointer to internal
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) * storage which is reused in subsequent calls
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) * so copy the result.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) base = strdup(basename(lname));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) free(lname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) if (!base)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) dso__set_short_name(dso, base, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) static struct dso *__dsos__addnew_id(struct dsos *dsos, const char *name, struct dso_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) struct dso *dso = dso__new_id(name, id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) if (dso != NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) __dsos__add(dsos, dso);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) dso__set_basename(dso);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) /* Put dso here because __dsos_add already got it */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) dso__put(dso);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) return dso;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) struct dso *__dsos__addnew(struct dsos *dsos, const char *name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) return __dsos__addnew_id(dsos, name, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) static struct dso *__dsos__findnew_id(struct dsos *dsos, const char *name, struct dso_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) struct dso *dso = __dsos__find_id(dsos, name, id, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) if (dso && dso_id__empty(&dso->id) && !dso_id__empty(id))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) dso__inject_id(dso, id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) return dso ? dso : __dsos__addnew_id(dsos, name, id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) struct dso *dsos__findnew_id(struct dsos *dsos, const char *name, struct dso_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) struct dso *dso;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) down_write(&dsos->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) dso = dso__get(__dsos__findnew_id(dsos, name, id));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) up_write(&dsos->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) return dso;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) bool (skip)(struct dso *dso, int parm), int parm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) struct dso *pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) size_t ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) list_for_each_entry(pos, head, node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) char sbuild_id[SBUILD_ID_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) if (skip && skip(pos, parm))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) build_id__sprintf(&pos->bid, sbuild_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) ret += fprintf(fp, "%-40s %s\n", sbuild_id, pos->long_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) size_t __dsos__fprintf(struct list_head *head, FILE *fp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) struct dso *pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) size_t ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) list_for_each_entry(pos, head, node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) ret += dso__fprintf(pos, fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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