const char *
Elf_demangle_name(const char *name)
{
if (DBG_ISDEMANGLE())
return (conv_demangle_name(name));
return (name);
}
/*
* Define name demanglers.
*/
const char *
Dbg_demangle_name(const char *name)
{
if (DBG_NOTCLASS(DBG_C_DEMANGLE))
return (name);
return (conv_demangle_name(name));
}
/*
* Translate symbol table data particularly for sorting.
* Input is the symbol table data structure, number of symbols,
* opened ELF file, and the string table link offset.
*/
static SYM *
readsyms(Elf_Data * data, GElf_Sxword num, Elf *elf,
unsigned int link, unsigned int symscnndx)
{
SYM *s, *buf;
GElf_Sym sym;
Elf32_Word *symshndx = 0;
unsigned int nosymshndx = 0;
int i;
if ((buf = calloc(num, sizeof (SYM))) == NULL) {
(void) fprintf(stderr, gettext("%s: cannot allocate memory\n"),
prog_name);
return (NULL);
}
s = buf; /* save pointer to head of array */
for (i = 1; i < num; i++, buf++) {
(void) gelf_getsym(data, i, &sym);
buf->indx = i;
/* allow to work on machines where NULL-derefs dump core */
if (sym.st_name == 0)
buf->name = "";
else if (C_flag) {
const char *dn;
char *name = (char *)elf_strptr(elf, link, sym.st_name);
dn = conv_demangle_name(name);
if (strcmp(dn, name) == 0) { /* Not demangled */
if (exotic(name)) {
name = FormatName(name, d_buf);
}
} else { /* name demangled */
name = FormatName(name, dn);
}
buf->name = name;
}
else
buf->name = (char *)elf_strptr(elf, link, sym.st_name);
buf->value = sym.st_value;
buf->size = sym.st_size;
buf->type = GELF_ST_TYPE(sym.st_info);
buf->bind = GELF_ST_BIND(sym.st_info);
buf->other = sym.st_other;
if ((sym.st_shndx == SHN_XINDEX) &&
(symshndx == 0) && (nosymshndx == 0)) {
Elf_Scn *_scn;
GElf_Shdr _shdr;
_scn = 0;
while ((_scn = elf_nextscn(elf, _scn)) != 0) {
if (gelf_getshdr(_scn, &_shdr) == 0)
break;
if ((_shdr.sh_type == SHT_SYMTAB_SHNDX) &&
(_shdr.sh_link == symscnndx)) {
Elf_Data *_data;
if ((_data = elf_getdata(_scn,
0)) != 0) {
symshndx =
(Elf32_Word *)_data->d_buf;
break;
}
}
}
nosymshndx = 1;
}
if ((symshndx) && (sym.st_shndx == SHN_XINDEX)) {
buf->shndx = symshndx[i];
} else {
buf->shndx = sym.st_shndx;
if (sym.st_shndx >= SHN_LORESERVE)
buf->flags |= FLG_SYM_SPECSEC;
}
} /* end for loop */
return (s);
}
