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Wide mode .plt offsets for elf64-hppa

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This commit is contained in:
Alan Modra 2001-01-14 05:22:51 +00:00
parent 1328dc9844
commit b352eebf39
2 changed files with 43 additions and 14 deletions
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5
bfd/ChangeLog
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@ -1,3 +1,8 @@
2001-01-14 Alan Modra <alan@linuxcare.com.au>
* elf64-hppa.c (elf64_hppa_finish_dynamic_symbol): Use 16-bit
offsets for stub .plt access if wide mode. Check offset in range.
2001-01-13 Nick Clifton <nickc@redhat.com>
* elf32-fr30.c (fr30_elf_howto_table): Remove spurious blank

52
bfd/elf64-hppa.c
View file

@ -1,5 +1,5 @@
/* Generic support for 64-bit ELF
Copyright 1999, 2000 Free Software Foundation, Inc.
/* Support for HPPA 64-bit ELF
Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
@ -1954,6 +1954,7 @@ elf64_hppa_finish_dynamic_symbol (output_bfd, info, h, sym)
{
bfd_vma value;
int insn;
unsigned int max_offset;
/* Install the generic stub template.
@ -1975,22 +1976,45 @@ elf64_hppa_finish_dynamic_symbol (output_bfd, info, h, sym)
value = dyn_h->plt_offset - hppa_info->gp_offset;
insn = bfd_get_32 (stub->owner, stub->contents + dyn_h->stub_offset);
insn &= 0xffffc00e;
insn |= ((value & 0x2000) >> 13);
value &= 0x1ff8;
value <<= 1;
bfd_put_32 (stub->owner, (insn | value),
if (output_bfd->arch_info->mach >= 25)
{
/* Wide mode allows 16 bit offsets. */
max_offset = 32768;
insn &= ~ 0xfff1;
insn |= re_assemble_16 (value);
}
else
{
max_offset = 8192;
insn &= ~ 0x3ff1;
insn |= re_assemble_14 (value);
}
if ((value & 7) || value + max_offset >= 2*max_offset - 8)
{
(*_bfd_error_handler) (_("stub entry for %s cannot load .plt, dp offset = %ld"),
dyn_h->root.string,
(long) value);
return false;
}
bfd_put_32 (stub->owner, insn,
stub->contents + dyn_h->stub_offset);
/* Fix up the second ldd instruction. */
value = dyn_h->plt_offset - hppa_info->gp_offset + 8;
value += 8;
insn = bfd_get_32 (stub->owner, stub->contents + dyn_h->stub_offset + 8);
insn &= 0xffffc00e;
insn |= ((value & 0x2000) >> 13);
value &= 0x1ff8;
value <<= 1;
bfd_put_32 (stub->owner, (insn | value),
if (output_bfd->arch_info->mach >= 25)
{
insn &= ~ 0xfff1;
insn |= re_assemble_16 (value);
}
else
{
insn &= ~ 0x3ff1;
insn |= re_assemble_14 (value);
}
bfd_put_32 (stub->owner, insn,
stub->contents + dyn_h->stub_offset + 8);
}