^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 <elf.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #include <inttypes.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #include <sys/ttydefaults.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <stdlib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/bitops.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include "../../util/debug.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include "../../util/map.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "../../util/dso.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "../../util/symbol.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "../browser.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "../helpline.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "../keysyms.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "map.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/ctype.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) struct map_browser {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) struct ui_browser b;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) struct map *map;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) u8 addrlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) static void map_browser__write(struct ui_browser *browser, void *nd, int row)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) struct symbol *sym = rb_entry(nd, struct symbol, rb_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct map_browser *mb = container_of(browser, struct map_browser, b);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) bool current_entry = ui_browser__is_current_entry(browser, row);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) int width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) ui_browser__set_percent_color(browser, 0, current_entry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) ui_browser__printf(browser, "%*" PRIx64 " %*" PRIx64 " %c ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) mb->addrlen, sym->start, mb->addrlen, sym->end,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) sym->binding == STB_GLOBAL ? 'g' :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) sym->binding == STB_LOCAL ? 'l' : 'w');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) width = browser->width - ((mb->addrlen * 2) + 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) if (width > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) ui_browser__write_nstring(browser, sym->name, width);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) /* FIXME uber-kludgy, see comment on cmd_report... */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) static u32 *symbol__browser_index(struct symbol *browser)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) return ((void *)browser) - sizeof(struct rb_node) - sizeof(u32);
^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) static int map_browser__search(struct map_browser *browser)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) char target[512];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) struct symbol *sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) int err = ui_browser__input_window("Search by name/addr",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) "Prefix with 0x to search by address",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) target, "ENTER: OK, ESC: Cancel", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) if (err != K_ENTER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) if (target[0] == '0' && tolower(target[1]) == 'x') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) u64 addr = strtoull(target, NULL, 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) sym = map__find_symbol(browser->map, addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) sym = map__find_symbol_by_name(browser->map, target);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) if (sym != NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) u32 *idx = symbol__browser_index(sym);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) browser->b.top = &sym->rb_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) browser->b.index = browser->b.top_idx = *idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) ui_helpline__fpush("%s not found!", target);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) static int map_browser__run(struct map_browser *browser)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) int key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) if (ui_browser__show(&browser->b, browser->map->dso->long_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) "Press ESC to exit, %s / to search",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) verbose > 0 ? "" : "restart with -v to use") < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) while (1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) key = ui_browser__run(&browser->b, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) switch (key) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) case '/':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) if (verbose > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) map_browser__search(browser);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) case K_LEFT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) case K_ESC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) case 'q':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) case CTRL('c'):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) ui_browser__hide(&browser->b);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) return key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) int map__browse(struct map *map)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) struct map_browser mb = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) .b = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) .entries = &map->dso->symbols,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) .refresh = ui_browser__rb_tree_refresh,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) .seek = ui_browser__rb_tree_seek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) .write = map_browser__write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) .map = map,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) struct rb_node *nd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) char tmp[BITS_PER_LONG / 4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) u64 maxaddr = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) for (nd = rb_first(mb.b.entries); nd; nd = rb_next(nd)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) struct symbol *pos = rb_entry(nd, struct symbol, rb_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) if (maxaddr < pos->end)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) maxaddr = pos->end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) if (verbose > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) u32 *idx = symbol__browser_index(pos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) *idx = mb.b.nr_entries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) ++mb.b.nr_entries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) mb.addrlen = snprintf(tmp, sizeof(tmp), "%" PRIx64, maxaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) return map_browser__run(&mb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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