_dl_linux_resolver (struct elf_resolve *tpnt, int reloc_entry)
{
ELF_RELOC *this_reloc;
char *strtab;
ElfW(Sym) *symtab;
int symtab_index;
char *rel_addr;
struct elf_resolve *new_tpnt;
char *new_addr;
struct funcdesc_value funcval;
struct funcdesc_value volatile *got_entry;
char *symname;
rel_addr = (char *)tpnt->dynamic_info[DT_JMPREL];
this_reloc = (ELF_RELOC *)(intptr_t)(rel_addr + reloc_entry);
symtab_index = ELF_R_SYM(this_reloc->r_info);
symtab = (Elf32_Sym *) tpnt->dynamic_info[DT_SYMTAB];
strtab = (char *) tpnt->dynamic_info[DT_STRTAB];
symname= strtab + symtab[symtab_index].st_name;
/* Address of GOT entry fix up */
got_entry = (struct funcdesc_value *) DL_RELOC_ADDR(tpnt->loadaddr, this_reloc->r_offset);
/* Get the address to be used to fill in the GOT entry. */
new_addr = _dl_lookup_hash(symname, tpnt->symbol_scope, NULL, 0, &new_tpnt);
if (!new_addr) {
new_addr = _dl_lookup_hash(symname, NULL, NULL, 0, &new_tpnt);
if (!new_addr) {
_dl_dprintf(2, "%s: can't resolve symbol '%s'\n",
_dl_progname, symname);
_dl_exit(1);
}
}
funcval.entry_point = new_addr;
funcval.got_value = new_tpnt->loadaddr.got_value;
#if defined (__SUPPORT_LD_DEBUG__)
if (_dl_debug_bindings) {
_dl_dprintf(_dl_debug_file, "\nresolve function: %s", symname);
if (_dl_debug_detail)
_dl_dprintf(_dl_debug_file,
"\n\tpatched (%x,%x) ==> (%x,%x) @ %x\n",
got_entry->entry_point, got_entry->got_value,
funcval.entry_point, funcval.got_value,
got_entry);
}
if (1 || !_dl_debug_nofixups) {
*got_entry = funcval;
}
#else
*got_entry = funcval;
#endif
return got_entry;
}
__attribute__((__visibility__("hidden"))) struct funcdesc_value volatile *
_dl_linux_resolver (struct elf_resolve *tpnt, int reloc_entry)
{
int reloc_type;
ELF_RELOC *this_reloc;
char *strtab;
ElfW(Sym) *symtab;
int symtab_index;
char *rel_addr;
struct elf_resolve *new_tpnt;
char *new_addr;
struct funcdesc_value funcval;
struct funcdesc_value volatile *got_entry;
char *symname;
rel_addr = (char *)tpnt->dynamic_info[DT_JMPREL];
this_reloc = (ELF_RELOC *)(intptr_t)(rel_addr + reloc_entry);
reloc_type = ELF_R_TYPE(this_reloc->r_info);
symtab_index = ELF_R_SYM(this_reloc->r_info);
symtab = (Elf32_Sym *) tpnt->dynamic_info[DT_SYMTAB];
strtab = (char *) tpnt->dynamic_info[DT_STRTAB];
symname= strtab + symtab[symtab_index].st_name;
if (reloc_type != R_UBICOM32_FUNCDESC_VALUE) {
_dl_dprintf(2, "%s: Incorrect relocation type in jump relocations\n",
_dl_progname);
_dl_exit(1);
}
/* Address of GOT entry fix up */
got_entry = (struct funcdesc_value *) DL_RELOC_ADDR(tpnt->loadaddr, this_reloc->r_offset);
/* Get the address to be used to fill in the GOT entry. */
new_addr = _dl_lookup_hash(symname, tpnt->symbol_scope, NULL, 0, &new_tpnt);
if (!new_addr) {
new_addr = _dl_lookup_hash(symname, NULL, NULL, 0, &new_tpnt);
if (!new_addr) {
_dl_dprintf(2, "_dl_linux_resolver: %s: can't resolve symbol '%s'\n",
_dl_progname, symname);
_dl_exit(1);
}
}
funcval.entry_point = new_addr;
funcval.got_value = new_tpnt->loadaddr.got_value;
#if defined (__SUPPORT_LD_DEBUG__)
if (_dl_debug_bindings) {
_dl_dprintf(_dl_debug_file, "\nresolve function: %s", symname);
if (_dl_debug_detail)
_dl_dprintf(_dl_debug_file,
"\n\tpatched (%x,%x) ==> (%x,%x) @ %x\n",
got_entry->entry_point, got_entry->got_value,
funcval.entry_point, funcval.got_value,
got_entry);
}
if (1 || !_dl_debug_nofixups) {
got_entry->entry_point = ((void *)&_dl_ubicom32_resolve_pending);
got_entry->got_value = funcval.got_value;
got_entry->entry_point = funcval.entry_point;
}
#else
/*
* initially set the entry point to resolve pending before starting
* the update. This has the effect of putting all other requests in a
* holding pattern until the resolution is completed.
*/
got_entry->entry_point = ((void*)&_dl_ubicom32_resolve_pending);
got_entry->got_value = funcval.got_value;
got_entry->entry_point = funcval.entry_point;
#endif
return got_entry;
}
