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[GOLD] PowerPC tweak relnum tests

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There is a call of relocate() to perform a single relocation.  In that
case the "relnum" parameter is -1U and of course it isn't appropriate
to consider any of the PowerPC code sequence optimisations triggered
by a following relocation.

	* powerpc.cc (Target_powerpc::Relocate::relocate): Don't look
	at next/previous reloc when relnum is -1.
This commit is contained in:
Alan Modra
2019-06-28 10:18:03 +09:30
parent f073a3e8c6
commit f60c61e60e
2 changed files with 7 additions and 2 deletions
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5
gold/ChangeLog
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@ -1,3 +1,8 @@
2019-06-28 Alan Modra <amodra@gmail.com>
* powerpc.cc (Target_powerpc::Relocate::relocate): Don't look
at next/previous reloc when relnum is -1.
2019-06-28 Alan Modra <amodra@gmail.com>
* powerpc.cc (Stub_table::plt_error): New function.

4
gold/powerpc.cc
View File

@ -8986,7 +8986,7 @@ Target_powerpc<size, big_endian>::Relocate::relocate(
size_t reloc_count = shdr.get_sh_size() / reloc_size;
if (size == 64
&& ent->r2save_
&& relnum + 1 < reloc_count)
&& relnum < reloc_count - 1)
{
Reltype next_rela(preloc + reloc_size);
if (elfcpp::elf_r_type<size>(next_rela.get_r_info())
@ -9757,7 +9757,7 @@ Target_powerpc<size, big_endian>::Relocate::relocate(
// addi 2,2,.TOC.@l
// if .TOC. is in range. */
if (value + address - 4 + 0x80008000 <= 0xffffffff
&& relnum != 0
&& relnum + 1 > 1
&& preloc != NULL
&& target->abiversion() >= 2
&& !parameters->options().output_is_position_independent()