From 92712dee6828b76b2646d853328cf030eacd36b1 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Fri, 15 Nov 2002 22:51:30 +0000 Subject: * sysdeps/i386/dl-machine.h (elf_machine_rela): Handle R_386_COPY. * sysdeps/arm/dl-machine.h (elf_machine_rela): Handle R_ARM_COPY. 2002-11-15 Roland McGrath * math/Makefile (libm-calls): Change s_ldexp to m_ldexp. * Makerules ($(+sysdir_pfx)sysd-rules): Emit pattern rules for m_%.[Sc] from sysdeps/.../s_%.[Sc] with commands $(+make-include-of-dep). (+make-include-of-dep): New canned sequence. * stdlib/canonicalize.c (__realpath): Check for malloc failure. From Dmitry V. Levin . --- sysdeps/i386/dl-machine.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'sysdeps/i386/dl-machine.h') diff --git a/sysdeps/i386/dl-machine.h b/sysdeps/i386/dl-machine.h index 4aa07373f8..add6f8e01b 100644 --- a/sysdeps/i386/dl-machine.h +++ b/sysdeps/i386/dl-machine.h @@ -514,6 +514,9 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc, *reloc_addr = map->l_addr + reloc->r_addend; else if (r_type != R_386_NONE) { +# ifndef RESOLVE_CONFLICT_FIND_MAP + const Elf32_Sym *const refsym = sym; +# endif # ifdef USE_TLS struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type); Elf32_Addr value = sym == NULL ? 0 : sym_map->l_addr + sym->st_value; @@ -568,6 +571,29 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc, CHECK_STATIC_TLS (map, sym_map); break; # endif /* use TLS */ +# ifndef RESOLVE_CONFLICT_FIND_MAP + /* Not needed for dl-conflict.c. */ + case R_386_COPY: + if (sym == NULL) + /* This can happen in trace mode if an object could not be + found. */ + break; + if (__builtin_expect (sym->st_size > refsym->st_size, 0) + || (__builtin_expect (sym->st_size < refsym->st_size, 0) + && GL(dl_verbose))) + { + const char *strtab; + + strtab = (const char *) D_PTR (map, l_info[DT_STRTAB]); + _dl_error_printf ("\ +%s: Symbol `%s' has different size in shared object, consider re-linking\n", + rtld_progname ?: "", + strtab + refsym->st_name); + } + memcpy (reloc_addr, (void *) value, MIN (sym->st_size, + refsym->st_size)); + break; +# endif /* !RESOLVE_CONFLICT_FIND_MAP */ default: /* We add these checks in the version to relocate ld.so only if we are still debugging. */ -- cgit v1.2.1