1 #include "../libslang.h" 2 #include <elf.h> 3 #include <newt.h> 4 #include <inttypes.h> 5 #include <sys/ttydefaults.h> 6 #include <string.h> 7 #include <linux/bitops.h> 8 #include "../../util/util.h" 9 #include "../../util/debug.h" 10 #include "../../util/symbol.h" 11 #include "../browser.h" 12 #include "../helpline.h" 13 #include "map.h" 14 15 static int ui_entry__read(const char *title, char *bf, size_t size, int width) 16 { 17 struct newtExitStruct es; 18 newtComponent form, entry; 19 const char *result; 20 int err = -1; 21 22 newtCenteredWindow(width, 1, title); 23 form = newtForm(NULL, NULL, 0); 24 if (form == NULL) 25 return -1; 26 27 entry = newtEntry(0, 0, "0x", width, &result, NEWT_FLAG_SCROLL); 28 if (entry == NULL) 29 goto out_free_form; 30 31 newtFormAddComponent(form, entry); 32 newtFormAddHotKey(form, NEWT_KEY_ENTER); 33 newtFormAddHotKey(form, NEWT_KEY_ESCAPE); 34 newtFormAddHotKey(form, NEWT_KEY_LEFT); 35 newtFormAddHotKey(form, CTRL('c')); 36 newtFormRun(form, &es); 37 38 if (result != NULL) { 39 strncpy(bf, result, size); 40 err = 0; 41 } 42 out_free_form: 43 newtPopWindow(); 44 newtFormDestroy(form); 45 return err; 46 } 47 48 struct map_browser { 49 struct ui_browser b; 50 struct map *map; 51 u8 addrlen; 52 }; 53 54 static void map_browser__write(struct ui_browser *self, void *nd, int row) 55 { 56 struct symbol *sym = rb_entry(nd, struct symbol, rb_node); 57 struct map_browser *mb = container_of(self, struct map_browser, b); 58 bool current_entry = ui_browser__is_current_entry(self, row); 59 int width; 60 61 ui_browser__set_percent_color(self, 0, current_entry); 62 slsmg_printf("%*" PRIx64 " %*" PRIx64 " %c ", 63 mb->addrlen, sym->start, mb->addrlen, sym->end, 64 sym->binding == STB_GLOBAL ? 'g' : 65 sym->binding == STB_LOCAL ? 'l' : 'w'); 66 width = self->width - ((mb->addrlen * 2) + 4); 67 if (width > 0) 68 slsmg_write_nstring(sym->name, width); 69 } 70 71 /* FIXME uber-kludgy, see comment on cmd_report... */ 72 static u32 *symbol__browser_index(struct symbol *self) 73 { 74 return ((void *)self) - sizeof(struct rb_node) - sizeof(u32); 75 } 76 77 static int map_browser__search(struct map_browser *self) 78 { 79 char target[512]; 80 struct symbol *sym; 81 int err = ui_entry__read("Search by name/addr", target, sizeof(target), 40); 82 83 if (err) 84 return err; 85 86 if (target[0] == '0' && tolower(target[1]) == 'x') { 87 u64 addr = strtoull(target, NULL, 16); 88 sym = map__find_symbol(self->map, addr, NULL); 89 } else 90 sym = map__find_symbol_by_name(self->map, target, NULL); 91 92 if (sym != NULL) { 93 u32 *idx = symbol__browser_index(sym); 94 95 self->b.top = &sym->rb_node; 96 self->b.index = self->b.top_idx = *idx; 97 } else 98 ui_helpline__fpush("%s not found!", target); 99 100 return 0; 101 } 102 103 static int map_browser__run(struct map_browser *self) 104 { 105 int key; 106 107 if (ui_browser__show(&self->b, self->map->dso->long_name, 108 "Press <- or ESC to exit, %s / to search", 109 verbose ? "" : "restart with -v to use") < 0) 110 return -1; 111 112 while (1) { 113 key = ui_browser__run(&self->b, 0); 114 115 if (verbose && key == '/') 116 map_browser__search(self); 117 else 118 break; 119 } 120 121 ui_browser__hide(&self->b); 122 return key; 123 } 124 125 int map__browse(struct map *self) 126 { 127 struct map_browser mb = { 128 .b = { 129 .entries = &self->dso->symbols[self->type], 130 .refresh = ui_browser__rb_tree_refresh, 131 .seek = ui_browser__rb_tree_seek, 132 .write = map_browser__write, 133 }, 134 .map = self, 135 }; 136 struct rb_node *nd; 137 char tmp[BITS_PER_LONG / 4]; 138 u64 maxaddr = 0; 139 140 for (nd = rb_first(mb.b.entries); nd; nd = rb_next(nd)) { 141 struct symbol *pos = rb_entry(nd, struct symbol, rb_node); 142 143 if (maxaddr < pos->end) 144 maxaddr = pos->end; 145 if (verbose) { 146 u32 *idx = symbol__browser_index(pos); 147 *idx = mb.b.nr_entries; 148 } 149 ++mb.b.nr_entries; 150 } 151 152 mb.addrlen = snprintf(tmp, sizeof(tmp), "%" PRIx64, maxaddr); 153 return map_browser__run(&mb); 154 } 155