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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137// SPDX-License-Identifier: GPL-2.0#include <elf.h>#include <inttypes.h>#include <sys/ttydefaults.h>#include <stdlib.h>#include <string.h>#include <linux/bitops.h>#include "../../util/debug.h"#include "../../util/map.h"#include "../../util/dso.h"#include "../../util/symbol.h"#include "../browser.h"#include "../helpline.h"#include "../keysyms.h"#include "map.h"
#include <linux/ctype.h>
struct map_browser { struct ui_browser b; struct map *map; u8 addrlen;};
static void map_browser__write(struct ui_browser *browser, void *nd, int row){ struct symbol *sym = rb_entry(nd, struct symbol, rb_node); struct map_browser *mb = container_of(browser, struct map_browser, b); bool current_entry = ui_browser__is_current_entry(browser, row); int width;
ui_browser__set_percent_color(browser, 0, current_entry); ui_browser__printf(browser, "%*" PRIx64 " %*" PRIx64 " %c ", mb->addrlen, sym->start, mb->addrlen, sym->end, symbol__binding(sym) == STB_GLOBAL ? 'g' : symbol__binding(sym) == STB_LOCAL ? 'l' : 'w'); width = browser->width - ((mb->addrlen * 2) + 4); if (width > 0) ui_browser__write_nstring(browser, sym->name, width);}
/* FIXME uber-kludgy, see comment on cmd_report... */static u32 *symbol__browser_index(struct symbol *browser){ return ((void *)browser) - sizeof(struct rb_node) - sizeof(u32);}
static int map_browser__search(struct map_browser *browser){ char target[512]; struct symbol *sym; int err = ui_browser__input_window("Search by name/addr", "Prefix with 0x to search by address", target, "ENTER: OK, ESC: Cancel", 0); if (err != K_ENTER) return -1;
if (target[0] == '0' && tolower(target[1]) == 'x') { u64 addr = strtoull(target, NULL, 16); sym = map__find_symbol(browser->map, addr); } else sym = map__find_symbol_by_name(browser->map, target);
if (sym != NULL) { u32 *idx = symbol__browser_index(sym);
browser->b.top = &sym->rb_node; browser->b.index = browser->b.top_idx = *idx; } else ui_helpline__fpush("%s not found!", target);
return 0;}
static int map_browser__run(struct map_browser *browser){ int key;
if (ui_browser__show(&browser->b, dso__long_name(map__dso(browser->map)), "Press ESC to exit, %s / to search", verbose > 0 ? "" : "restart with -v to use") < 0) return -1;
while (1) { key = ui_browser__run(&browser->b, 0);
switch (key) { case '/': if (verbose > 0) map_browser__search(browser); /* fall thru */ default: ui_browser__warn_unhandled_hotkey(&browser->b, key, 0, NULL); continue; case K_LEFT: case K_ESC: case 'q': case CTRL('c'): goto out; } }out: ui_browser__hide(&browser->b); return key;}
int map__browse(struct map *map){ struct map_browser mb = { .b = { .entries = dso__symbols(map__dso(map)), .refresh = ui_browser__rb_tree_refresh, .seek = ui_browser__rb_tree_seek, .write = map_browser__write, }, .map = map, }; 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 > 0) { 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);}