PR21132, hppa-linux pie support doesn't work

This fixes a long-standing hppa bug seen when generating PIEs, and I
think possible to trigger with forced local symbols in shared
libraries.  Not allocating enough space for PLT relocs results in ld
writing outside of the buffer.

	PR 21132
	* elf32-hppa.c (allocate_plt_static): Allocate space for relocs
	if pic.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 30161c8ce5a7b3a0066be3f9392620d201e60c3d..d39283afd75b5b055b43b0a9f45d29099232a0fe 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,9 @@
+2017-02-16  Alan Modra  <amodra@gmail.com>
+
+       PR 21132
+       * elf32-hppa.c (allocate_plt_static): Allocate space for relocs
+       if pic.
+
 2017-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 
        PR ld/21168

diff --git a/bfd/elf32-hppa.c b/bfd/elf32-hppa.c
index de14468a27e922e4610e4771a58fa41c3a8ed5e9..e64ea9aff98c1eaf53bd04e6622bb32a3b6b5e4d 100644 (file)
--- a/bfd/elf32-hppa.c
+++ b/bfd/elf32-hppa.c
@@ -1976,6 +1976,8 @@ allocate_plt_static (struct elf_link_hash_entry *eh, void *inf)
          sec = htab->etab.splt;
          eh->plt.offset = sec->size;
          sec->size += PLT_ENTRY_SIZE;
+         if (bfd_link_pic (info))
+           htab->etab.srelplt->size += sizeof (Elf32_External_Rela);
        }
       else
        {