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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | #include "../libslang.h"
#include <elf.h>
#include <newt.h>
#include <inttypes.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 err;
}
struct map_browser {
struct ui_browser b;
struct map *map;
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 width;
ui_browser__set_percent_color(self, 0, current_entry);
slsmg_printf("%*" PRIx64 " %*" PRIx64 " %c ",
mb->addrlen, sym->start, mb->addrlen, sym->end,
sym->binding == STB_GLOBAL ? 'g' :
sym->binding == STB_LOCAL ? 'l' : 'w');
width = self->width - ((mb->addrlen * 2) + 4);
if (width > 0)
slsmg_write_nstring(sym->name, width);
}
/* 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)
{
int key;
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;
while (1) {
key = ui_browser__run(&self->b, 0);
if (verbose && key == '/')
map_browser__search(self);
else
break;
}
ui_browser__hide(&self->b);
return key;
}
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 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 (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), "%" PRIx64, maxaddr);
return map_browser__run(&mb);
}
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