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