1 #include "../libslang.h" 2 #include <elf.h> 3 #include <inttypes.h> 4 #include <sys/ttydefaults.h> 5 #include <ctype.h> 6 #include <string.h> 7 #include <linux/bitops.h> 8 #include "../../debug.h" 9 #include "../../symbol.h" 10 #include "../browser.h" 11 #include "../helpline.h" 12 #include "map.h" 13 14 static int ui_entry__read(const char *title, char *bf, size_t size, int width) 15 { 16 struct newtExitStruct es; 17 newtComponent form, entry; 18 const char *result; 19 int err = -1; 20 21 newtCenteredWindow(width, 1, title); 22 form = newtForm(NULL, NULL, 0); 23 if (form == NULL) 24 return -1; 25 26 entry = newtEntry(0, 0, "0x", width, &result, NEWT_FLAG_SCROLL); 27 if (entry == NULL) 28 goto out_free_form; 29 30 newtFormAddComponent(form, entry); 31 newtFormAddHotKey(form, NEWT_KEY_ENTER); 32 newtFormAddHotKey(form, NEWT_KEY_ESCAPE); 33 newtFormAddHotKey(form, NEWT_KEY_LEFT); 34 newtFormAddHotKey(form, CTRL('c')); 35 newtFormRun(form, &es); 36 37 if (result != NULL) { 38 strncpy(bf, result, size); 39 err = 0; 40 } 41 out_free_form: 42 newtPopWindow(); 43 newtFormDestroy(form); 44 return err; 45 } 46 47 struct map_browser { 48 struct ui_browser b; 49 struct map *map; 50 u8 addrlen; 51 }; 52 53 static void map_browser__write(struct ui_browser *self, void *nd, int row) 54 { 55 struct symbol *sym = rb_entry(nd, struct symbol, rb_node); 56 struct map_browser *mb = container_of(self, struct map_browser, b); 57 bool current_entry = ui_browser__is_current_entry(self, row); 58 int width; 59 60 ui_browser__set_percent_color(self, 0, current_entry); 61 slsmg_printf("%*" PRIx64 " %*" PRIx64 " %c ", 62 mb->addrlen, sym->start, mb->addrlen, sym->end, 63 sym->binding == STB_GLOBAL ? 'g' : 64 sym->binding == STB_LOCAL ? 'l' : 'w'); 65 width = self->width - ((mb->addrlen * 2) + 4); 66 if (width > 0) 67 slsmg_write_nstring(sym->name, width); 68 } 69 70 /* FIXME uber-kludgy, see comment on cmd_report... */ 71 static u32 *symbol__browser_index(struct symbol *self) 72 { 73 return ((void *)self) - sizeof(struct rb_node) - sizeof(u32); 74 } 75 76 static int map_browser__search(struct map_browser *self) 77 { 78 char target[512]; 79 struct symbol *sym; 80 int err = ui_entry__read("Search by name/addr", target, sizeof(target), 40); 81 82 if (err) 83 return err; 84 85 if (target[0] == '0' && tolower(target[1]) == 'x') { 86 u64 addr = strtoull(target, NULL, 16); 87 sym = map__find_symbol(self->map, addr, NULL); 88 } else 89 sym = map__find_symbol_by_name(self->map, target, NULL); 90 91 if (sym != NULL) { 92 u32 *idx = symbol__browser_index(sym); 93 94 self->b.top = &sym->rb_node; 95 self->b.index = self->b.top_idx = *idx; 96 } else 97 ui_helpline__fpush("%s not found!", target); 98 99 return 0; 100 } 101 102 static int map_browser__run(struct map_browser *self) 103 { 104 int key; 105 106 if (ui_browser__show(&self->b, self->map->dso->long_name, 107 "Press <- or ESC to exit, %s / to search", 108 verbose ? "" : "restart with -v to use") < 0) 109 return -1; 110 111 if (verbose) 112 ui_browser__add_exit_key(&self->b, '/'); 113 114 while (1) { 115 key = ui_browser__run(&self->b); 116 117 if (verbose && key == '/') 118 map_browser__search(self); 119 else 120 break; 121 } 122 123 ui_browser__hide(&self->b); 124 return key; 125 } 126 127 int map__browse(struct map *self) 128 { 129 struct map_browser mb = { 130 .b = { 131 .entries = &self->dso->symbols[self->type], 132 .refresh = ui_browser__rb_tree_refresh, 133 .seek = ui_browser__rb_tree_seek, 134 .write = map_browser__write, 135 }, 136 .map = self, 137 }; 138 struct rb_node *nd; 139 char tmp[BITS_PER_LONG / 4]; 140 u64 maxaddr = 0; 141 142 for (nd = rb_first(mb.b.entries); nd; nd = rb_next(nd)) { 143 struct symbol *pos = rb_entry(nd, struct symbol, rb_node); 144 145 if (maxaddr < pos->end) 146 maxaddr = pos->end; 147 if (verbose) { 148 u32 *idx = symbol__browser_index(pos); 149 *idx = mb.b.nr_entries; 150 } 151 ++mb.b.nr_entries; 152 } 153 154 mb.addrlen = snprintf(tmp, sizeof(tmp), "%" PRIx64, maxaddr); 155 return map_browser__run(&mb); 156 } 157
