cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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symbol_fprintf.c (1918B)

      1// SPDX-License-Identifier: GPL-2.0
      2#include <elf.h>
      3#include <inttypes.h>
      4#include <stdio.h>
      5
      6#include "dso.h"
      7#include "map.h"
      8#include "symbol.h"
      9
     10size_t symbol__fprintf(struct symbol *sym, FILE *fp)
     11{
     12	return fprintf(fp, " %" PRIx64 "-%" PRIx64 " %c %s\n",
     13		       sym->start, sym->end,
     14		       sym->binding == STB_GLOBAL ? 'g' :
     15		       sym->binding == STB_LOCAL  ? 'l' : 'w',
     16		       sym->name);
     17}
     18
     19size_t __symbol__fprintf_symname_offs(const struct symbol *sym,
     20				      const struct addr_location *al,
     21				      bool unknown_as_addr,
     22				      bool print_offsets, FILE *fp)
     23{
     24	unsigned long offset;
     25	size_t length;
     26
     27	if (sym) {
     28		length = fprintf(fp, "%s", sym->name);
     29		if (al && print_offsets) {
     30			if (al->addr < sym->end)
     31				offset = al->addr - sym->start;
     32			else
     33				offset = al->addr - al->map->start - sym->start;
     34			length += fprintf(fp, "+0x%lx", offset);
     35		}
     36		return length;
     37	} else if (al && unknown_as_addr)
     38		return fprintf(fp, "[%#" PRIx64 "]", al->addr);
     39	else
     40		return fprintf(fp, "[unknown]");
     41}
     42
     43size_t symbol__fprintf_symname_offs(const struct symbol *sym,
     44				    const struct addr_location *al,
     45				    FILE *fp)
     46{
     47	return __symbol__fprintf_symname_offs(sym, al, false, true, fp);
     48}
     49
     50size_t __symbol__fprintf_symname(const struct symbol *sym,
     51				 const struct addr_location *al,
     52				 bool unknown_as_addr, FILE *fp)
     53{
     54	return __symbol__fprintf_symname_offs(sym, al, unknown_as_addr, false, fp);
     55}
     56
     57size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp)
     58{
     59	return __symbol__fprintf_symname_offs(sym, NULL, false, false, fp);
     60}
     61
     62size_t dso__fprintf_symbols_by_name(struct dso *dso,
     63				    FILE *fp)
     64{
     65	size_t ret = 0;
     66	struct rb_node *nd;
     67	struct symbol_name_rb_node *pos;
     68
     69	for (nd = rb_first_cached(&dso->symbol_names); nd; nd = rb_next(nd)) {
     70		pos = rb_entry(nd, struct symbol_name_rb_node, rb_node);
     71		ret += fprintf(fp, "%s\n", pos->sym.name);
     72	}
     73
     74	return ret;
     75}