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 *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 /* FIXME uber-kludgy, see comment on cmd_report... */ 39 static u32 *symbol__browser_index(struct symbol *browser) 40 { 41 return ((void *)browser) - sizeof(struct rb_node) - sizeof(u32); 42 } 43 44 static 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 71 static 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 } 96 out: 97 ui_browser__hide(&browser->b); 98 return key; 99 } 100 101 int 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