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Correct GOLD PowerPC64 local-dynamic TLS linker optimization

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Similar to b86ac8e3

	* powerpc.cc (Target_powerpc::Relocate::relocate): Correct GOT_TLSLD
	and GOT_TLSGD to LE optimization.
This commit is contained in:
Alan Modra 2015-01-29 20:33:26 +10:30
parent ea16498d5a
commit 0f81d3f0a7
2 changed files with 15 additions and 6 deletions
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5
gold/ChangeLog
View File

@ -1,3 +1,8 @@
2015-01-29 Alan Modra <amodra@gmail.com>
* powerpc.cc (Target_powerpc::Relocate::relocate): Correct GOT_TLSLD
and GOT_TLSGD to LE optimization.
2015-01-28 Cary Coutant <ccoutant@google.com>
* x86_64.cc (Target_x86_64::Scan::global): Allow IE-to-LE optimization

16
gold/powerpc.cc
View File

@ -3178,8 +3178,6 @@ static const uint32_t addi_11_11 = 0x396b0000;
static const uint32_t addi_12_12 = 0x398c0000;
static const uint32_t addis_0_2 = 0x3c020000;
static const uint32_t addis_0_13 = 0x3c0d0000;
static const uint32_t addis_3_2 = 0x3c620000;
static const uint32_t addis_3_13 = 0x3c6d0000;
static const uint32_t addis_11_2 = 0x3d620000;
static const uint32_t addis_11_11 = 0x3d6b0000;
static const uint32_t addis_11_30 = 0x3d7e0000;
@ -7008,9 +7006,12 @@ Target_powerpc<size, big_endian>::Relocate::relocate(
|| r_type == elfcpp::R_POWERPC_GOT_TLSGD16_LO)
{
Insn* iview = reinterpret_cast<Insn*>(view - 2 * big_endian);
Insn insn = addis_3_13;
Insn insn = elfcpp::Swap<32, big_endian>::readval(iview);
insn &= (1 << 26) - (1 << 21); // extract rt
if (size == 32)
insn = addis_3_2;
insn |= addis_0_2;
else
insn |= addis_0_13;
elfcpp::Swap<32, big_endian>::writeval(iview, insn);
r_type = elfcpp::R_POWERPC_TPREL16_HA;
value = psymval->value(object, rela.get_r_addend());
@ -7043,9 +7044,12 @@ Target_powerpc<size, big_endian>::Relocate::relocate(
|| r_type == elfcpp::R_POWERPC_GOT_TLSLD16_LO)
{
Insn* iview = reinterpret_cast<Insn*>(view - 2 * big_endian);
Insn insn = addis_3_13;
Insn insn = elfcpp::Swap<32, big_endian>::readval(iview);
insn &= (1 << 26) - (1 << 21); // extract rt
if (size == 32)
insn = addis_3_2;
insn |= addis_0_2;
else
insn |= addis_0_13;
elfcpp::Swap<32, big_endian>::writeval(iview, insn);
r_type = elfcpp::R_POWERPC_TPREL16_HA;
value = dtp_offset;