Merge tag 'm68k-for-v4.9-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert...
[platform/kernel/linux-exynos.git] / tools / perf / ui / browsers / map.c
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 struct map_browser {
15         struct ui_browser b;
16         struct map        *map;
17         u8                addrlen;
18 };
19
20 static void map_browser__write(struct ui_browser *browser, void *nd, int row)
21 {
22         struct symbol *sym = rb_entry(nd, struct symbol, rb_node);
23         struct map_browser *mb = container_of(browser, struct map_browser, b);
24         bool current_entry = ui_browser__is_current_entry(browser, row);
25         int width;
26
27         ui_browser__set_percent_color(browser, 0, current_entry);
28         ui_browser__printf(browser, "%*" PRIx64 " %*" PRIx64 " %c ",
29                            mb->addrlen, sym->start, mb->addrlen, sym->end,
30                            sym->binding == STB_GLOBAL ? 'g' :
31                                 sym->binding == STB_LOCAL  ? 'l' : 'w');
32         width = browser->width - ((mb->addrlen * 2) + 4);
33         if (width > 0)
34                 ui_browser__write_nstring(browser, sym->name, width);
35 }
36
37 /* FIXME uber-kludgy, see comment on cmd_report... */
38 static u32 *symbol__browser_index(struct symbol *browser)
39 {
40         return ((void *)browser) - sizeof(struct rb_node) - sizeof(u32);
41 }
42
43 static int map_browser__search(struct map_browser *browser)
44 {
45         char target[512];
46         struct symbol *sym;
47         int err = ui_browser__input_window("Search by name/addr",
48                                            "Prefix with 0x to search by address",
49                                            target, "ENTER: OK, ESC: Cancel", 0);
50         if (err != K_ENTER)
51                 return -1;
52
53         if (target[0] == '0' && tolower(target[1]) == 'x') {
54                 u64 addr = strtoull(target, NULL, 16);
55                 sym = map__find_symbol(browser->map, addr);
56         } else
57                 sym = map__find_symbol_by_name(browser->map, target);
58
59         if (sym != NULL) {
60                 u32 *idx = symbol__browser_index(sym);
61
62                 browser->b.top = &sym->rb_node;
63                 browser->b.index = browser->b.top_idx = *idx;
64         } else
65                 ui_helpline__fpush("%s not found!", target);
66
67         return 0;
68 }
69
70 static int map_browser__run(struct map_browser *browser)
71 {
72         int key;
73
74         if (ui_browser__show(&browser->b, browser->map->dso->long_name,
75                              "Press ESC to exit, %s / to search",
76                              verbose ? "" : "restart with -v to use") < 0)
77                 return -1;
78
79         while (1) {
80                 key = ui_browser__run(&browser->b, 0);
81
82                 switch (key) {
83                 case '/':
84                         if (verbose)
85                                 map_browser__search(browser);
86                 default:
87                         break;
88                 case K_LEFT:
89                 case K_ESC:
90                 case 'q':
91                 case CTRL('c'):
92                         goto out;
93                 }
94         }
95 out:
96         ui_browser__hide(&browser->b);
97         return key;
98 }
99
100 int map__browse(struct map *map)
101 {
102         struct map_browser mb = {
103                 .b = {
104                         .entries = &map->dso->symbols[map->type],
105                         .refresh = ui_browser__rb_tree_refresh,
106                         .seek    = ui_browser__rb_tree_seek,
107                         .write   = map_browser__write,
108                 },
109                 .map = map,
110         };
111         struct rb_node *nd;
112         char tmp[BITS_PER_LONG / 4];
113         u64 maxaddr = 0;
114
115         for (nd = rb_first(mb.b.entries); nd; nd = rb_next(nd)) {
116                 struct symbol *pos = rb_entry(nd, struct symbol, rb_node);
117
118                 if (maxaddr < pos->end)
119                         maxaddr = pos->end;
120                 if (verbose) {
121                         u32 *idx = symbol__browser_index(pos);
122                         *idx = mb.b.nr_entries;
123                 }
124                 ++mb.b.nr_entries;
125         }
126
127         mb.addrlen = snprintf(tmp, sizeof(tmp), "%" PRIx64, maxaddr);
128         return map_browser__run(&mb);
129 }