Arnaldo Carvalho de Melo | b1b0267 | 2010-08-10 15:37:34 -0300 | [diff] [blame] | 1 | #include "../libslang.h" |
| 2 | #include <elf.h> |
| 3 | #include <newt.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 0; |
| 45 | } |
| 46 | |
| 47 | struct map_browser { |
| 48 | struct ui_browser b; |
| 49 | struct map *map; |
| 50 | u16 namelen; |
| 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 color = ui_browser__percent_color(0, current_entry); |
| 60 | |
| 61 | SLsmg_set_color(color); |
| 62 | slsmg_printf("%*llx %*llx %c ", |
| 63 | mb->addrlen, sym->start, mb->addrlen, sym->end, |
| 64 | sym->binding == STB_GLOBAL ? 'g' : |
| 65 | sym->binding == STB_LOCAL ? 'l' : 'w'); |
| 66 | slsmg_write_nstring(sym->name, mb->namelen); |
| 67 | } |
| 68 | |
| 69 | /* FIXME uber-kludgy, see comment on cmd_report... */ |
| 70 | static u32 *symbol__browser_index(struct symbol *self) |
| 71 | { |
| 72 | return ((void *)self) - sizeof(struct rb_node) - sizeof(u32); |
| 73 | } |
| 74 | |
| 75 | static int map_browser__search(struct map_browser *self) |
| 76 | { |
| 77 | char target[512]; |
| 78 | struct symbol *sym; |
| 79 | int err = ui_entry__read("Search by name/addr", target, sizeof(target), 40); |
| 80 | |
| 81 | if (err) |
| 82 | return err; |
| 83 | |
| 84 | if (target[0] == '0' && tolower(target[1]) == 'x') { |
| 85 | u64 addr = strtoull(target, NULL, 16); |
| 86 | sym = map__find_symbol(self->map, addr, NULL); |
| 87 | } else |
| 88 | sym = map__find_symbol_by_name(self->map, target, NULL); |
| 89 | |
| 90 | if (sym != NULL) { |
| 91 | u32 *idx = symbol__browser_index(sym); |
| 92 | |
| 93 | self->b.top = &sym->rb_node; |
| 94 | self->b.index = self->b.top_idx = *idx; |
| 95 | } else |
| 96 | ui_helpline__fpush("%s not found!", target); |
| 97 | |
| 98 | return 0; |
| 99 | } |
| 100 | |
| 101 | static int map_browser__run(struct map_browser *self, struct newtExitStruct *es) |
| 102 | { |
| 103 | if (ui_browser__show(&self->b, self->map->dso->long_name) < 0) |
| 104 | return -1; |
| 105 | |
| 106 | ui_helpline__fpush("Press <- or ESC to exit, %s / to search", |
| 107 | verbose ? "" : "restart with -v to use"); |
| 108 | newtFormAddHotKey(self->b.form, NEWT_KEY_LEFT); |
| 109 | newtFormAddHotKey(self->b.form, NEWT_KEY_ENTER); |
| 110 | if (verbose) |
| 111 | newtFormAddHotKey(self->b.form, '/'); |
| 112 | |
| 113 | while (1) { |
| 114 | ui_browser__run(&self->b, es); |
| 115 | |
| 116 | if (es->reason != NEWT_EXIT_HOTKEY) |
| 117 | break; |
| 118 | if (verbose && es->u.key == '/') |
| 119 | map_browser__search(self); |
| 120 | else |
| 121 | break; |
| 122 | } |
| 123 | |
| 124 | newtFormDestroy(self->b.form); |
| 125 | newtPopWindow(); |
| 126 | ui_helpline__pop(); |
| 127 | return 0; |
| 128 | } |
| 129 | |
| 130 | int map__browse(struct map *self) |
| 131 | { |
| 132 | struct map_browser mb = { |
| 133 | .b = { |
| 134 | .entries = &self->dso->symbols[self->type], |
| 135 | .refresh = ui_browser__rb_tree_refresh, |
| 136 | .seek = ui_browser__rb_tree_seek, |
| 137 | .write = map_browser__write, |
| 138 | }, |
| 139 | .map = self, |
| 140 | }; |
| 141 | struct newtExitStruct es; |
| 142 | struct rb_node *nd; |
| 143 | char tmp[BITS_PER_LONG / 4]; |
| 144 | u64 maxaddr = 0; |
| 145 | |
| 146 | for (nd = rb_first(mb.b.entries); nd; nd = rb_next(nd)) { |
| 147 | struct symbol *pos = rb_entry(nd, struct symbol, rb_node); |
| 148 | |
| 149 | if (mb.namelen < pos->namelen) |
| 150 | mb.namelen = pos->namelen; |
| 151 | if (maxaddr < pos->end) |
| 152 | maxaddr = pos->end; |
| 153 | if (verbose) { |
| 154 | u32 *idx = symbol__browser_index(pos); |
| 155 | *idx = mb.b.nr_entries; |
| 156 | } |
| 157 | ++mb.b.nr_entries; |
| 158 | } |
| 159 | |
| 160 | mb.addrlen = snprintf(tmp, sizeof(tmp), "%llx", maxaddr); |
| 161 | mb.b.width += mb.addrlen * 2 + 4 + mb.namelen; |
| 162 | return map_browser__run(&mb, &es); |
| 163 | } |