| 1 | |
| 2 | #include <elf.h>
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| 3 | #include <inttypes.h>
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| 4 | #include <sys/ttydefaults.h>
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| 5 | #include <stdlib.h>
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| 6 | #include <string.h>
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| 7 | #include <linux/bitops.h>
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| 8 | #include "../../util/debug.h"
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| 9 | #include "../../util/map.h"
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| 10 | #include "../../util/dso.h"
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| 11 | #include "../../util/symbol.h"
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| 12 | #include "../browser.h"
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| 13 | #include "../helpline.h"
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| 14 | #include "../keysyms.h"
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| 15 | #include "map.h"
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| 16 |
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| 17 | #include <linux/ctype.h>
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| 18 |
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| 19 | struct map_browser {
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| 20 | struct ui_browser b;
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| 21 | struct map *map;
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| 22 | u8 addrlen;
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| 23 | };
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| 24 |
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| 25 | static void map_browser__write(struct ui_browser *browser, void *nd, int row)
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| 26 | {
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| 27 | struct symbol *sym = rb_entry(nd, struct symbol, rb_node);
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| 28 | struct map_browser *mb = container_of(browser, struct map_browser, b);
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| 29 | bool current_entry = ui_browser__is_current_entry(browser, row);
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| 30 | int width;
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| 31 |
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| 32 | ui_browser__set_percent_color(browser, 0, current_entry);
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| 33 | ui_browser__printf(browser, "%*" PRIx64 " %*" PRIx64 " %c ",
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| 34 | mb->addrlen, sym->start, mb->addrlen, sym->end,
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| 35 | symbol__binding(sym) == STB_GLOBAL ? 'g' :
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| 36 | symbol__binding(sym) == STB_LOCAL ? 'l' : 'w');
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| 37 | width = browser->width - ((mb->addrlen * 2) + 4);
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| 38 | if (width > 0)
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| 39 | ui_browser__write_nstring(browser, sym->name, width);
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| 40 | }
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| 41 |
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| 42 |
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| 43 | static u32 *symbol__browser_index(struct symbol *browser)
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| 44 | {
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| 45 | return ((void *)browser) - sizeof(struct rb_node) - sizeof(u32);
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| 46 | }
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| 47 |
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| 48 | static int map_browser__search(struct map_browser *browser)
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| 49 | {
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| 50 | char target[512];
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| 51 | struct symbol *sym;
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| 52 | int err = ui_browser__input_window("Search by name/addr",
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| 53 | "Prefix with 0x to search by address",
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| 54 | target, "ENTER: OK, ESC: Cancel", 0);
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| 55 | if (err != K_ENTER)
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| 56 | return -1;
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| 57 |
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| 58 | if (target[0] == '0' && tolower(target[1]) == 'x') {
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| 59 | u64 addr = strtoull(target, NULL, 16);
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| 60 | sym = map__find_symbol(browser->map, addr);
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| 61 | } else
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| 62 | sym = map__find_symbol_by_name(browser->map, target);
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| 63 |
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| 64 | if (sym != NULL) {
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| 65 | u32 *idx = symbol__browser_index(sym);
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| 66 |
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| 67 | browser->b.top = &sym->rb_node;
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| 68 | browser->b.index = browser->b.top_idx = *idx;
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| 69 | } else
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| 70 | ui_helpline__fpush("%s not found!", target);
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| 71 |
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| 72 | return 0;
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| 73 | }
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| 74 |
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| 75 | static int map_browser__run(struct map_browser *browser)
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| 76 | {
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| 77 | int key;
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| 78 |
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| 79 | if (ui_browser__show(&browser->b, dso__long_name(map__dso(browser->map)),
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| 80 | "Press ESC to exit, %s / to search",
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| 81 | verbose > 0 ? "" : "restart with -v to use") < 0)
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| 82 | return -1;
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| 83 |
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| 84 | while (1) {
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| 85 | key = ui_browser__run(&browser->b, 0);
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| 86 |
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| 87 | switch (key) {
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| 88 | case '/':
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| 89 | if (verbose > 0)
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| 90 | map_browser__search(browser);
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| 91 |
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| 92 | default:
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| 93 | ui_browser__warn_unhandled_hotkey(&browser->b, key, 0, NULL);
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| 94 | continue;
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| 95 | case K_LEFT:
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| 96 | case K_ESC:
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| 97 | case 'q':
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| 98 | case CTRL('c'):
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| 99 | goto out;
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| 100 | }
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| 101 | }
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| 102 | out:
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| 103 | ui_browser__hide(&browser->b);
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| 104 | return key;
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| 105 | }
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| 106 |
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| 107 | int map__browse(struct map *map)
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| 108 | {
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| 109 | struct map_browser mb = {
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| 110 | .b = {
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| 111 | .entries = dso__symbols(map__dso(map)),
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| 112 | .refresh = ui_browser__rb_tree_refresh,
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| 113 | .seek = ui_browser__rb_tree_seek,
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| 114 | .write = map_browser__write,
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| 115 | },
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| 116 | .map = map,
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| 117 | };
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| 118 | struct rb_node *nd;
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| 119 | char tmp[BITS_PER_LONG / 4];
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| 120 | u64 maxaddr = 0;
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| 121 |
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| 122 | for (nd = rb_first(mb.b.entries); nd; nd = rb_next(nd)) {
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| 123 | struct symbol *pos = rb_entry(nd, struct symbol, rb_node);
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| 124 |
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| 125 | if (maxaddr < pos->end)
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| 126 | maxaddr = pos->end;
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| 127 | if (verbose > 0) {
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| 128 | u32 *idx = symbol__browser_index(pos);
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| 129 | *idx = mb.b.nr_entries;
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| 130 | }
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| 131 | ++mb.b.nr_entries;
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| 132 | }
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| 133 |
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| 134 | mb.addrlen = snprintf(tmp, sizeof(tmp), "%" PRIx64, maxaddr);
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| 135 | return map_browser__run(&mb);
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| 136 | }
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