157 lines
3.6 KiB
C
157 lines
3.6 KiB
C
#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 <ctype.h>
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#include <string.h>
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#include <linux/bitops.h>
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#include "../../debug.h"
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#include "../../symbol.h"
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#include "../browser.h"
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#include "../helpline.h"
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#include "map.h"
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static int ui_entry__read(const char *title, char *bf, size_t size, int width)
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{
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struct newtExitStruct es;
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newtComponent form, entry;
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const char *result;
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int err = -1;
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newtCenteredWindow(width, 1, title);
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form = newtForm(NULL, NULL, 0);
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if (form == NULL)
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return -1;
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entry = newtEntry(0, 0, "0x", width, &result, NEWT_FLAG_SCROLL);
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if (entry == NULL)
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goto out_free_form;
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newtFormAddComponent(form, entry);
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newtFormAddHotKey(form, NEWT_KEY_ENTER);
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newtFormAddHotKey(form, NEWT_KEY_ESCAPE);
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newtFormAddHotKey(form, NEWT_KEY_LEFT);
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newtFormAddHotKey(form, CTRL('c'));
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newtFormRun(form, &es);
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if (result != NULL) {
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strncpy(bf, result, size);
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err = 0;
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}
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out_free_form:
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newtPopWindow();
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newtFormDestroy(form);
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return err;
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}
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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 *self, 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(self, struct map_browser, b);
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bool current_entry = ui_browser__is_current_entry(self, row);
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int width;
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ui_browser__set_percent_color(self, 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 = self->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 *self)
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{
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return ((void *)self) - sizeof(struct rb_node) - sizeof(u32);
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}
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static int map_browser__search(struct map_browser *self)
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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_entry__read("Search by name/addr", target, sizeof(target), 40);
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if (err)
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return err;
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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(self->map, addr, NULL);
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} else
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sym = map__find_symbol_by_name(self->map, target, NULL);
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if (sym != NULL) {
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u32 *idx = symbol__browser_index(sym);
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self->b.top = &sym->rb_node;
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self->b.index = self->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 *self)
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{
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int key;
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if (ui_browser__show(&self->b, self->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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if (verbose)
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ui_browser__add_exit_key(&self->b, '/');
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while (1) {
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key = ui_browser__run(&self->b);
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if (verbose && key == '/')
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map_browser__search(self);
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else
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break;
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}
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ui_browser__hide(&self->b);
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return key;
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}
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int map__browse(struct map *self)
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{
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struct map_browser mb = {
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.b = {
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.entries = &self->dso->symbols[self->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 = self,
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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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