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* elf32-sparc.c (elf32_sparc_size_dynamic_sections): If there is

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no .rela.plt section, don't output a DT_PLTGOT dynamic entry.
Handles the case of a shared library with no function calls.
This commit is contained in:
Ian Lance Taylor
1997-03-21 18:09:12 +00:00
parent 7aef7107a8
commit 0727fe1023
2 changed files with 25 additions and 9 deletions
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5
bfd/ChangeLog
View File

@ -1,3 +1,8 @@
Fri Mar 21 13:08:26 1997 Ian Lance Taylor <ian@cygnus.com>
* elf32-sparc.c (elf32_sparc_size_dynamic_sections): If there is
no .rela.plt section, don't output a DT_PLTGOT dynamic entry.
Thu Mar 20 12:39:02 1997 Ian Lance Taylor <ian@cygnus.com> Thu Mar 20 12:39:02 1997 Ian Lance Taylor <ian@cygnus.com>
Based on patches from Philippe De Muyter <phdm@info.ucl.ac.be>. Based on patches from Philippe De Muyter <phdm@info.ucl.ac.be>.

29
bfd/elf32-sparc.c
View File

@ -1,5 +1,5 @@
/* SPARC-specific support for 32-bit ELF /* SPARC-specific support for 32-bit ELF
Copyright (C) 1993, 1994, 1995, 1996 Free Software Foundation, Inc. Copyright (C) 1993, 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library. This file is part of BFD, the Binary File Descriptor library.
@ -593,9 +593,17 @@ elf32_sparc_adjust_dynamic_symbol (info, h)
/* If this is a function, put it in the procedure linkage table. We /* If this is a function, put it in the procedure linkage table. We
will fill in the contents of the procedure linkage table later will fill in the contents of the procedure linkage table later
(although we could actually do it here). */ (although we could actually do it here). The STT_NOTYPE
condition is a hack specifically for the Oracle libraries
delivered for Solaris; for some inexplicable reason, they define
some of their functions as STT_NOTYPE when they really should be
STT_FUNC. */
if (h->type == STT_FUNC if (h->type == STT_FUNC
|| (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0) || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0
|| (h->type == STT_NOTYPE
&& (h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
&& (h->root.u.def.section->flags & SEC_CODE) != 0))
{ {
if (! elf_hash_table (info)->dynamic_sections_created) if (! elf_hash_table (info)->dynamic_sections_created)
{ {
@ -805,11 +813,14 @@ elf32_sparc_size_dynamic_sections (output_bfd, info)
} }
else else
{ {
const char *outname;
asection *target; asection *target;
/* If this relocation section applies to a read only /* If this relocation section applies to a read only
section, then we probably need a DT_TEXTREL entry. */ section, then we probably need a DT_TEXTREL entry. */
target = bfd_get_section_by_name (output_bfd, name + 5); outname = bfd_get_section_name (output_bfd,
s->output_section);
target = bfd_get_section_by_name (output_bfd, outname + 5);
if (target != NULL if (target != NULL
&& (target->flags & SEC_READONLY) != 0) && (target->flags & SEC_READONLY) != 0)
reltext = true; reltext = true;
@ -862,12 +873,10 @@ elf32_sparc_size_dynamic_sections (output_bfd, info)
return false; return false;
} }
if (! bfd_elf32_add_dynamic_entry (info, DT_PLTGOT, 0))
return false;
if (relplt) if (relplt)
{ {
if (! bfd_elf32_add_dynamic_entry (info, DT_PLTRELSZ, 0) if (! bfd_elf32_add_dynamic_entry (info, DT_PLTGOT, 0)
|| ! bfd_elf32_add_dynamic_entry (info, DT_PLTRELSZ, 0)
|| ! bfd_elf32_add_dynamic_entry (info, DT_PLTREL, DT_RELA) || ! bfd_elf32_add_dynamic_entry (info, DT_PLTREL, DT_RELA)
|| ! bfd_elf32_add_dynamic_entry (info, DT_JMPREL, 0)) || ! bfd_elf32_add_dynamic_entry (info, DT_JMPREL, 0))
return false; return false;
@ -1263,8 +1272,10 @@ elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section,
outrel.r_offset = (rel->r_offset outrel.r_offset = (rel->r_offset
+ input_section->output_section->vma + input_section->output_section->vma
+ input_section->output_offset); + input_section->output_offset);
/* h->dynindx may be -1 if the symbol was marked to
become local. */
if (h != NULL if (h != NULL
&& (! info->symbolic && ((! info->symbolic && h->dynindx != -1)
|| (h->elf_link_hash_flags || (h->elf_link_hash_flags
& ELF_LINK_HASH_DEF_REGULAR) == 0)) & ELF_LINK_HASH_DEF_REGULAR) == 0))
{ {