From be040dbb5b936d7a56efe2a92cf36efb89089557 Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Wed, 16 Aug 2000 17:42:21 +0000 Subject: [PATCH] * elf64-sparc.c (sparc64_elf_relocate_section): Set relocation address for undefined symbols to be the beginning of the section. * elf64-sparc.c (sparc64_elf_adjust_dynamic_symbol): Don't allocate four extra entries at the beginning of the .rela.plt section. (sparc64_elf_finish_dynamic_symbol): Adjust the offset in the .rela.plt section to account for the four reserved entries in the .plt section. --- bfd/ChangeLog | 10 ++++++++++ bfd/elf64-sparc.c | 23 +++++++++++++++-------- 2 files changed, 25 insertions(+), 8 deletions(-) diff --git a/bfd/ChangeLog b/bfd/ChangeLog index c25b13984a..67b5e85e1d 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,13 @@ +2000-08-16 Andrew Macleod + + * elf64-sparc.c (sparc64_elf_relocate_section): Set relocation address + for undefined symbols to be the beginning of the section. + + * elf64-sparc.c (sparc64_elf_adjust_dynamic_symbol): Don't allocate + four extra entries at the beginning of the .rela.plt section. + (sparc64_elf_finish_dynamic_symbol): Adjust the offset in the .rela.plt + section to account for the four reserved entries in the .plt section. + 2000-08-15 Geoffrey Keating * xcofflink.c (_bfd_ppc_xcoff_relocate_section): Add ori r0,r0,0 diff --git a/bfd/elf64-sparc.c b/bfd/elf64-sparc.c index b2b8cbf9ec..cef3788931 100644 --- a/bfd/elf64-sparc.c +++ b/bfd/elf64-sparc.c @@ -1557,12 +1557,6 @@ sparc64_elf_adjust_dynamic_symbol (info, h) s = bfd_get_section_by_name (dynobj, ".rela.plt"); BFD_ASSERT (s != NULL); - /* The first plt entries are reserved, and the relocations must - pair up exactly. */ - if (s->_raw_size == 0) - s->_raw_size += (PLT_HEADER_SIZE/PLT_ENTRY_SIZE - * sizeof (Elf64_External_Rela)); - s->_raw_size += sizeof (Elf64_External_Rela); /* The procedure linkage table size is bounded by the magnitude @@ -2079,7 +2073,15 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, (!info->shared || info->no_undefined || ELF_ST_VISIBILITY (h->other))))) return false; - relocation = 0; + + /* To avoid generating warning messages about truncated + relocations, set the relocation's address to be the same as + the start of this section. */ + + if (input_section->output_section != NULL) + relocation = input_section->output_section->vma; + else + relocation = 0; } } @@ -2686,9 +2688,14 @@ sparc64_elf_finish_dynamic_symbol (output_bfd, info, h, sym) rela.r_offset += (splt->output_section->vma + splt->output_offset); rela.r_info = ELF64_R_INFO (h->dynindx, R_SPARC_JMP_SLOT); + /* Adjust for the first 4 reserved elements in the .plt section + when setting the offset in the .rela.plt section. + Sun forgot to read their own ABI and copied elf32-sparc behaviour, + thus .plt[4] has corresponding .rela.plt[0] and so on. */ + bfd_elf64_swap_reloca_out (output_bfd, &rela, ((Elf64_External_Rela *) srela->contents - + h->plt.offset)); + + (h->plt.offset - 4))); if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0) {