diff options
Diffstat (limited to 'sysdeps/sparc/dl-machine.h')
-rw-r--r-- | sysdeps/sparc/dl-machine.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/sysdeps/sparc/dl-machine.h b/sysdeps/sparc/dl-machine.h index 1ab3762ea0..03458144b7 100644 --- a/sysdeps/sparc/dl-machine.h +++ b/sysdeps/sparc/dl-machine.h @@ -22,6 +22,7 @@ #include <assert.h> #include <string.h> #include <link.h> +#include <sys/param.h> /* Some SPARC opcodes we need to use for self-modifying code. */ @@ -113,6 +114,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc, } else { + const Elf32_Sym *const refsym = sym; Elf32_Addr value; if (sym->st_shndx != SHN_UNDEF && ELF32_ST_BIND (sym->st_info) == STB_LOCAL) @@ -128,7 +130,18 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc, switch (ELF32_R_TYPE (reloc->r_info)) { case R_SPARC_COPY: - memcpy (reloc_addr, (void *) value, sym->st_size); + if (sym->st_size != refsym->st_size) + { + const char *strtab; + + strtab = ((void *) map->l_addr + + map->l_info[DT_STRTAB]->d_un.d_ptr); + _dl_sysdep_error ("Symbol `", strtab + refsym->st_name, + "' has different size in shared object, " + "consider re-linking\n", NULL); + } + memcpy (reloc_addr, (void *) value, MIN (sym->st_size, + refsym->st_size)); break; case R_SPARC_GLOB_DAT: case R_SPARC_32: |