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-rw-r--r--ldso/ldso/sparc/dl-sysdep.h8
-rw-r--r--ldso/ldso/sparc/elfinterp.c7
2 files changed, 11 insertions, 4 deletions
diff --git a/ldso/ldso/sparc/dl-sysdep.h b/ldso/ldso/sparc/dl-sysdep.h
index 1930a937f..72a85538e 100644
--- a/ldso/ldso/sparc/dl-sysdep.h
+++ b/ldso/ldso/sparc/dl-sysdep.h
@@ -110,3 +110,11 @@ extern unsigned int _dl_linux_resolver(unsigned int reloc_entry,
#define PAGE_ALIGN 0xfffff000
#define ADDR_ALIGN 0xfff
#define OFFS_ALIGN 0x7ffff000
+
+/* ELF_RTYPE_CLASS_PLT iff TYPE describes relocation of a PLT entry, so
+ PLT entries should not be allowed to define the value.
+ ELF_RTYPE_CLASS_NOCOPY iff TYPE should not be allowed to resolve to one
+ of the main executable's symbols, as for a COPY reloc. */
+#define elf_machine_type_class(type) \
+ ((((type) == R_SPARC_JMP_SLOT) * ELF_RTYPE_CLASS_PLT) \
+ | (((type) == R_SPARC_COPY) * ELF_RTYPE_CLASS_COPY))
diff --git a/ldso/ldso/sparc/elfinterp.c b/ldso/ldso/sparc/elfinterp.c
index e9e55c090..ada72bfe5 100644
--- a/ldso/ldso/sparc/elfinterp.c
+++ b/ldso/ldso/sparc/elfinterp.c
@@ -109,7 +109,7 @@ unsigned int _dl_linux_resolver(unsigned int reloc_entry, unsigned int * plt)
/* Get the address of the GOT entry */
new_addr = _dl_find_hash(strtab + symtab[symtab_index].st_name,
- tpnt->symbol_scope, tpnt, resolver);
+ tpnt->symbol_scope, ELF_RTYPE_CLASS_PLT);
if(!new_addr) {
_dl_dprintf(2, "%s: can't resolve symbol '%s'\n",
_dl_progname, strtab + symtab[symtab_index].st_name);
@@ -225,8 +225,7 @@ int _dl_parse_relocation_information(struct dyn_elf *rpnt,
symbol_addr = (unsigned int)
_dl_find_hash(strtab + symtab[symtab_index].st_name,
- tpnt->symbol_scope,
- (reloc_type == R_SPARC_JMP_SLOT ? tpnt : NULL), symbolrel);
+ tpnt->symbol_scope, elf_machine_type_class(reloc_type);
if(!symbol_addr &&
ELF32_ST_BIND(symtab [symtab_index].st_info) == STB_GLOBAL) {
@@ -343,7 +342,7 @@ int _dl_parse_copy_information(struct dyn_elf *xpnt,
symbol_addr = (unsigned int)
_dl_find_hash(strtab + symtab[symtab_index].st_name,
- xpnt->next, NULL, copyrel);
+ xpnt->next, ELF_RTYPE_CLASS_COPY);
if(!symbol_addr) {
_dl_dprintf(2, "%s: can't resolve symbol '%s'\n",
_dl_progname, strtab + symtab[symtab_index].st_name);