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