mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-06 02:50:43 +00:00
7137ff50b6
At the cost of an extra pointer, we can avoid the O(logN) cost of finding the first element in the tree (smallest node). Signed-off-by: Davidlohr Bueso <dbueso@suse.de> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/20181206191819.30182-6-dave@stgolabs.net Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include <elf.h>
|
|
#include <inttypes.h>
|
|
#include <stdio.h>
|
|
|
|
#include "map.h"
|
|
#include "symbol.h"
|
|
|
|
size_t symbol__fprintf(struct symbol *sym, FILE *fp)
|
|
{
|
|
return fprintf(fp, " %" PRIx64 "-%" PRIx64 " %c %s\n",
|
|
sym->start, sym->end,
|
|
sym->binding == STB_GLOBAL ? 'g' :
|
|
sym->binding == STB_LOCAL ? 'l' : 'w',
|
|
sym->name);
|
|
}
|
|
|
|
size_t __symbol__fprintf_symname_offs(const struct symbol *sym,
|
|
const struct addr_location *al,
|
|
bool unknown_as_addr,
|
|
bool print_offsets, FILE *fp)
|
|
{
|
|
unsigned long offset;
|
|
size_t length;
|
|
|
|
if (sym) {
|
|
length = fprintf(fp, "%s", sym->name);
|
|
if (al && print_offsets) {
|
|
if (al->addr < sym->end)
|
|
offset = al->addr - sym->start;
|
|
else
|
|
offset = al->addr - al->map->start - sym->start;
|
|
length += fprintf(fp, "+0x%lx", offset);
|
|
}
|
|
return length;
|
|
} else if (al && unknown_as_addr)
|
|
return fprintf(fp, "[%#" PRIx64 "]", al->addr);
|
|
else
|
|
return fprintf(fp, "[unknown]");
|
|
}
|
|
|
|
size_t symbol__fprintf_symname_offs(const struct symbol *sym,
|
|
const struct addr_location *al,
|
|
FILE *fp)
|
|
{
|
|
return __symbol__fprintf_symname_offs(sym, al, false, true, fp);
|
|
}
|
|
|
|
size_t __symbol__fprintf_symname(const struct symbol *sym,
|
|
const struct addr_location *al,
|
|
bool unknown_as_addr, FILE *fp)
|
|
{
|
|
return __symbol__fprintf_symname_offs(sym, al, unknown_as_addr, false, fp);
|
|
}
|
|
|
|
size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp)
|
|
{
|
|
return __symbol__fprintf_symname_offs(sym, NULL, false, false, fp);
|
|
}
|
|
|
|
size_t dso__fprintf_symbols_by_name(struct dso *dso,
|
|
FILE *fp)
|
|
{
|
|
size_t ret = 0;
|
|
struct rb_node *nd;
|
|
struct symbol_name_rb_node *pos;
|
|
|
|
for (nd = rb_first_cached(&dso->symbol_names); nd; nd = rb_next(nd)) {
|
|
pos = rb_entry(nd, struct symbol_name_rb_node, rb_node);
|
|
fprintf(fp, "%s\n", pos->sym.name);
|
|
}
|
|
|
|
return ret;
|
|
}
|