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#include "../libslang.h"
#include <elf.h>
#include <newt.h>
#include <sys/ttydefaults.h>
#include <ctype.h>
#include <string.h>
#include <linux/bitops.h>
#include "../../debug.h"
#include "../../symbol.h"
#include "../browser.h"
#include "../helpline.h"
#include "map.h"
static int ui_entry__read(const char *title, char *bf, size_t size, int width)
{
struct newtExitStruct es;
newtComponent form, entry;
const char *result;
int err = -1;
newtCenteredWindow(width, 1, title);
form = newtForm(NULL, NULL, 0);
if (form == NULL)
return -1;
entry = newtEntry(0, 0, "0x", width, &result, NEWT_FLAG_SCROLL);
if (entry == NULL)
goto out_free_form;
newtFormAddComponent(form, entry);
newtFormAddHotKey(form, NEWT_KEY_ENTER);
newtFormAddHotKey(form, NEWT_KEY_ESCAPE);
newtFormAddHotKey(form, NEWT_KEY_LEFT);
newtFormAddHotKey(form, CTRL('c'));
newtFormRun(form, &es);
if (result != NULL) {
strncpy(bf, result, size);
err = 0;
}
out_free_form:
newtPopWindow();
newtFormDestroy(form);
return 0;
}
struct map_browser {
struct ui_browser b;
struct map *map;
u16 namelen;
u8 addrlen;
};
static void map_browser__write(struct ui_browser *self, void *nd, int row)
{
struct symbol *sym = rb_entry(nd, struct symbol, rb_node);
struct map_browser *mb = container_of(self, struct map_browser, b);
bool current_entry = ui_browser__is_current_entry(self, row);
int color = ui_browser__percent_color(0, current_entry);
SLsmg_set_color(color);
slsmg_printf("%*llx %*llx %c ",
mb->addrlen, sym->start, mb->addrlen, sym->end,
sym->binding == STB_GLOBAL ? 'g' :
sym->binding == STB_LOCAL ? 'l' : 'w');
slsmg_write_nstring(sym->name, mb->namelen);
}
/* FIXME uber-kludgy, see comment on cmd_report... */
static u32 *symbol__browser_index(struct symbol *self)
{
return ((void *)self) - sizeof(struct rb_node) - sizeof(u32);
}
static int map_browser__search(struct map_browser *self)
{
char target[512];
struct symbol *sym;
int err = ui_entry__read("Search by name/addr", target, sizeof(target), 40);
if (err)
return err;
if (target[0] == '0' && tolower(target[1]) == 'x') {
u64 addr = strtoull(target, NULL, 16);
sym = map__find_symbol(self->map, addr, NULL);
} else
sym = map__find_symbol_by_name(self->map, target, NULL);
if (sym != NULL) {
u32 *idx = symbol__browser_index(sym);
self->b.top = &sym->rb_node;
self->b.index = self->b.top_idx = *idx;
} else
ui_helpline__fpush("%s not found!", target);
return 0;
}
static int map_browser__run(struct map_browser *self, struct newtExitStruct *es)
{
if (ui_browser__show(&self->b, self->map->dso->long_name,
"Press <- or ESC to exit, %s / to search",
verbose ? "" : "restart with -v to use") < 0)
return -1;
newtFormAddHotKey(self->b.form, NEWT_KEY_LEFT);
newtFormAddHotKey(self->b.form, NEWT_KEY_ENTER);
if (verbose)
newtFormAddHotKey(self->b.form, '/');
while (1) {
ui_browser__run(&self->b, es);
if (es->reason != NEWT_EXIT_HOTKEY)
break;
if (verbose && es->u.key == '/')
map_browser__search(self);
else
break;
}
ui_browser__hide(&self->b);
return 0;
}
int map__browse(struct map *self)
{
struct map_browser mb = {
.b = {
.entries = &self->dso->symbols[self->type],
.refresh = ui_browser__rb_tree_refresh,
.seek = ui_browser__rb_tree_seek,
.write = map_browser__write,
},
.map = self,
};
struct newtExitStruct es;
struct rb_node *nd;
char tmp[BITS_PER_LONG / 4];
u64 maxaddr = 0;
for (nd = rb_first(mb.b.entries); nd; nd = rb_next(nd)) {
struct symbol *pos = rb_entry(nd, struct symbol, rb_node);
if (mb.namelen < pos->namelen)
mb.namelen = pos->namelen;
if (maxaddr < pos->end)
maxaddr = pos->end;
if (verbose) {
u32 *idx = symbol__browser_index(pos);
*idx = mb.b.nr_entries;
}
++mb.b.nr_entries;
}
mb.addrlen = snprintf(tmp, sizeof(tmp), "%llx", maxaddr);
mb.b.width += mb.addrlen * 2 + 4 + mb.namelen;
return map_browser__run(&mb, &es);
}
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