perf map browser: Use ui_browser__input_window()
[linux-3.10.git] / tools / perf / ui / browsers / map.c
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
15 struct map_browser {
16         struct ui_browser b;
17         struct map        *map;
18         u8                addrlen;
19 };
20
21 static void map_browser__write(struct ui_browser *self, void *nd, int row)
22 {
23         struct symbol *sym = rb_entry(nd, struct symbol, rb_node);
24         struct map_browser *mb = container_of(self, struct map_browser, b);
25         bool current_entry = ui_browser__is_current_entry(self, row);
26         int width;
27
28         ui_browser__set_percent_color(self, 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 = self->width - ((mb->addrlen * 2) + 4);
34         if (width > 0)
35                 slsmg_write_nstring(sym->name, width);
36 }
37
38 /* FIXME uber-kludgy, see comment on cmd_report... */
39 static u32 *symbol__browser_index(struct symbol *self)
40 {
41         return ((void *)self) - sizeof(struct rb_node) - sizeof(u32);
42 }
43
44 static int map_browser__search(struct map_browser *self)
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(self->map, addr, NULL);
57         } else
58                 sym = map__find_symbol_by_name(self->map, target, NULL);
59
60         if (sym != NULL) {
61                 u32 *idx = symbol__browser_index(sym);
62
63                 self->b.top = &sym->rb_node;
64                 self->b.index = self->b.top_idx = *idx;
65         } else
66                 ui_helpline__fpush("%s not found!", target);
67
68         return 0;
69 }
70
71 static int map_browser__run(struct map_browser *self)
72 {
73         int key;
74
75         if (ui_browser__show(&self->b, self->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(&self->b, 0);
82
83                 if (verbose && key == '/')
84                         map_browser__search(self);
85                 else
86                         break;
87         }
88
89         ui_browser__hide(&self->b);
90         return key;
91 }
92
93 int map__browse(struct map *self)
94 {
95         struct map_browser mb = {
96                 .b = {
97                         .entries = &self->dso->symbols[self->type],
98                         .refresh = ui_browser__rb_tree_refresh,
99                         .seek    = ui_browser__rb_tree_seek,
100                         .write   = map_browser__write,
101                 },
102                 .map = self,
103         };
104         struct rb_node *nd;
105         char tmp[BITS_PER_LONG / 4];
106         u64 maxaddr = 0;
107
108         for (nd = rb_first(mb.b.entries); nd; nd = rb_next(nd)) {
109                 struct symbol *pos = rb_entry(nd, struct symbol, rb_node);
110
111                 if (maxaddr < pos->end)
112                         maxaddr = pos->end;
113                 if (verbose) {
114                         u32 *idx = symbol__browser_index(pos);
115                         *idx = mb.b.nr_entries;
116                 }
117                 ++mb.b.nr_entries;
118         }
119
120         mb.addrlen = snprintf(tmp, sizeof(tmp), "%" PRIx64, maxaddr);
121         return map_browser__run(&mb);
122 }