1 files changed, 163 insertions, 0 deletions

diff --git a/tools/perf/util/ui/browsers/map.c b/tools/perf/util/ui/browsers/map.c
new file mode 100644
index 000000000000..b79f0c996ea8
--- /dev/null
+++ b/tools/perf/util/ui/browsers/map.c
@@ -0,0 +1,163 @@
+#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) < 0)
+                return -1;
+
+        ui_helpline__fpush("Press <- or ESC to exit, %s / to search",
+                           verbose ? "" : "restart with -v to use");
+        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;
+        }
+
+        newtFormDestroy(self->b.form);
+        newtPopWindow();
+        ui_helpline__pop();
+        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);
+}