131 lines
3.2 KiB
C
131 lines
3.2 KiB
C
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#include "../libslang.h"
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#include <elf.h>
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#include <inttypes.h>
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#include <sys/ttydefaults.h>
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#include <string.h>
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#include <linux/bitops.h>
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#include "../../util/util.h"
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#include "../../util/debug.h"
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#include "../../util/symbol.h"
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#include "../browser.h"
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#include "../helpline.h"
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#include "../keysyms.h"
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#include "map.h"
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struct map_browser {
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struct ui_browser b;
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struct map *map;
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u8 addrlen;
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};
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static void map_browser__write(struct ui_browser *browser, void *nd, int row)
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{
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struct symbol *sym = rb_entry(nd, struct symbol, rb_node);
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struct map_browser *mb = container_of(browser, struct map_browser, b);
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bool current_entry = ui_browser__is_current_entry(browser, row);
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int width;
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ui_browser__set_percent_color(browser, 0, current_entry);
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slsmg_printf("%*" PRIx64 " %*" PRIx64 " %c ",
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mb->addrlen, sym->start, mb->addrlen, sym->end,
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sym->binding == STB_GLOBAL ? 'g' :
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sym->binding == STB_LOCAL ? 'l' : 'w');
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width = browser->width - ((mb->addrlen * 2) + 4);
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if (width > 0)
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slsmg_write_nstring(sym->name, width);
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}
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/* FIXME uber-kludgy, see comment on cmd_report... */
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static u32 *symbol__browser_index(struct symbol *browser)
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{
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return ((void *)browser) - sizeof(struct rb_node) - sizeof(u32);
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}
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static int map_browser__search(struct map_browser *browser)
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{
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char target[512];
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struct symbol *sym;
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int err = ui_browser__input_window("Search by name/addr",
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"Prefix with 0x to search by address",
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target, "ENTER: OK, ESC: Cancel", 0);
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if (err != K_ENTER)
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return -1;
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if (target[0] == '0' && tolower(target[1]) == 'x') {
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u64 addr = strtoull(target, NULL, 16);
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sym = map__find_symbol(browser->map, addr, NULL);
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} else
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sym = map__find_symbol_by_name(browser->map, target, NULL);
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if (sym != NULL) {
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u32 *idx = symbol__browser_index(sym);
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browser->b.top = &sym->rb_node;
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browser->b.index = browser->b.top_idx = *idx;
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} else
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ui_helpline__fpush("%s not found!", target);
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return 0;
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}
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static int map_browser__run(struct map_browser *browser)
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{
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int key;
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if (ui_browser__show(&browser->b, browser->map->dso->long_name,
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"Press <- or ESC to exit, %s / to search",
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verbose ? "" : "restart with -v to use") < 0)
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return -1;
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while (1) {
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key = ui_browser__run(&browser->b, 0);
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switch (key) {
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case '/':
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if (verbose)
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map_browser__search(browser);
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default:
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break;
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case K_LEFT:
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case K_ESC:
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case 'q':
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case CTRL('c'):
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goto out;
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}
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}
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out:
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ui_browser__hide(&browser->b);
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return key;
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}
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int map__browse(struct map *map)
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{
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struct map_browser mb = {
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.b = {
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.entries = &map->dso->symbols[map->type],
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.refresh = ui_browser__rb_tree_refresh,
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.seek = ui_browser__rb_tree_seek,
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.write = map_browser__write,
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},
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.map = map,
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};
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struct rb_node *nd;
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char tmp[BITS_PER_LONG / 4];
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u64 maxaddr = 0;
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for (nd = rb_first(mb.b.entries); nd; nd = rb_next(nd)) {
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struct symbol *pos = rb_entry(nd, struct symbol, rb_node);
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if (maxaddr < pos->end)
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maxaddr = pos->end;
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if (verbose) {
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u32 *idx = symbol__browser_index(pos);
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*idx = mb.b.nr_entries;
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}
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++mb.b.nr_entries;
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}
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mb.addrlen = snprintf(tmp, sizeof(tmp), "%" PRIx64, maxaddr);
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return map_browser__run(&mb);
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}
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