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, NULL); 56 } else 57 sym = map__find_symbol_by_name(browser->map, target, NULL); 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 <- or 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 } 130