|
|
d7faec |
diff --git a/gold/i386.cc b/gold/i386.cc
|
|
|
d7faec |
index bf209fe9a86..31161ff091c 100644
|
|
|
d7faec |
--- a/gold/i386.cc
|
|
|
d7faec |
+++ b/gold/i386.cc
|
|
|
d7faec |
@@ -360,7 +360,11 @@ class Target_i386 : public Sized_target<32, false>
|
|
|
d7faec |
got_(NULL), plt_(NULL), got_plt_(NULL), got_irelative_(NULL),
|
|
|
d7faec |
got_tlsdesc_(NULL), global_offset_table_(NULL), rel_dyn_(NULL),
|
|
|
d7faec |
rel_irelative_(NULL), copy_relocs_(elfcpp::R_386_COPY),
|
|
|
d7faec |
- got_mod_index_offset_(-1U), tls_base_symbol_defined_(false)
|
|
|
d7faec |
+ got_mod_index_offset_(-1U), tls_base_symbol_defined_(false),
|
|
|
d7faec |
+ isa_1_used_(0), isa_1_needed_(0),
|
|
|
d7faec |
+ feature_1_(0), feature_2_used_(0), feature_2_needed_(0),
|
|
|
d7faec |
+ object_isa_1_used_(0), object_feature_1_(0),
|
|
|
d7faec |
+ object_feature_2_used_(0), seen_first_object_(false)
|
|
|
d7faec |
{ }
|
|
|
d7faec |
|
|
|
d7faec |
// Process the relocations to determine unreferenced sections for
|
|
|
d7faec |
@@ -859,6 +863,21 @@ class Target_i386 : public Sized_target<32, false>
|
|
|
d7faec |
this->rel_dyn_section(layout));
|
|
|
d7faec |
}
|
|
|
d7faec |
|
|
|
d7faec |
+ // Record a target-specific program property in the .note.gnu.property
|
|
|
d7faec |
+ // section.
|
|
|
d7faec |
+ void
|
|
|
d7faec |
+ record_gnu_property(unsigned int, unsigned int, size_t,
|
|
|
d7faec |
+ const unsigned char*, const Object*);
|
|
|
d7faec |
+
|
|
|
d7faec |
+ // Merge the target-specific program properties from the current object.
|
|
|
d7faec |
+ void
|
|
|
d7faec |
+ merge_gnu_properties(const Object*);
|
|
|
d7faec |
+
|
|
|
d7faec |
+ // Finalize the target-specific program properties and add them back to
|
|
|
d7faec |
+ // the layout.
|
|
|
d7faec |
+ void
|
|
|
d7faec |
+ do_finalize_gnu_properties(Layout*) const;
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|
|
d7faec |
+
|
|
|
d7faec |
// Information about this specific target which we pass to the
|
|
|
d7faec |
// general Target structure.
|
|
|
d7faec |
static const Target::Target_info i386_info;
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|
|
d7faec |
@@ -898,6 +917,26 @@ class Target_i386 : public Sized_target<32, false>
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|
|
d7faec |
unsigned int got_mod_index_offset_;
|
|
|
d7faec |
// True if the _TLS_MODULE_BASE_ symbol has been defined.
|
|
|
d7faec |
bool tls_base_symbol_defined_;
|
|
|
d7faec |
+
|
|
|
d7faec |
+ // Target-specific program properties, from .note.gnu.property section.
|
|
|
d7faec |
+ // Each bit represents a specific feature.
|
|
|
d7faec |
+ uint32_t isa_1_used_;
|
|
|
d7faec |
+ uint32_t isa_1_needed_;
|
|
|
d7faec |
+ uint32_t feature_1_;
|
|
|
d7faec |
+ uint32_t feature_2_used_;
|
|
|
d7faec |
+ uint32_t feature_2_needed_;
|
|
|
d7faec |
+ // Target-specific properties from the current object.
|
|
|
d7faec |
+ // These bits get ORed into ISA_1_USED_ after all properties for the object
|
|
|
d7faec |
+ // have been processed. But if either is all zeroes (as when the property
|
|
|
d7faec |
+ // is absent from an object), the result should be all zeroes.
|
|
|
d7faec |
+ // (See PR ld/23486.)
|
|
|
d7faec |
+ uint32_t object_isa_1_used_;
|
|
|
d7faec |
+ // These bits get ANDed into FEATURE_1_ after all properties for the object
|
|
|
d7faec |
+ // have been processed.
|
|
|
d7faec |
+ uint32_t object_feature_1_;
|
|
|
d7faec |
+ uint32_t object_feature_2_used_;
|
|
|
d7faec |
+ // Whether we have seen our first object, for use in initializing FEATURE_1_.
|
|
|
d7faec |
+ bool seen_first_object_;
|
|
|
d7faec |
};
|
|
|
d7faec |
|
|
|
d7faec |
const Target::Target_info Target_i386::i386_info =
|
|
|
d7faec |
@@ -1042,6 +1081,126 @@ Target_i386::rel_irelative_section(Layout* layout)
|
|
|
d7faec |
return this->rel_irelative_;
|
|
|
d7faec |
}
|
|
|
d7faec |
|
|
|
d7faec |
+// Record a target-specific program property from the .note.gnu.property
|
|
|
d7faec |
+// section.
|
|
|
d7faec |
+void
|
|
|
d7faec |
+Target_i386::record_gnu_property(
|
|
|
d7faec |
+ unsigned int, unsigned int pr_type,
|
|
|
d7faec |
+ size_t pr_datasz, const unsigned char* pr_data,
|
|
|
d7faec |
+ const Object* object)
|
|
|
d7faec |
+{
|
|
|
d7faec |
+ uint32_t val = 0;
|
|
|
d7faec |
+
|
|
|
d7faec |
+ switch (pr_type)
|
|
|
d7faec |
+ {
|
|
|
d7faec |
+ case elfcpp::GNU_PROPERTY_X86_COMPAT_ISA_1_USED:
|
|
|
d7faec |
+ case elfcpp::GNU_PROPERTY_X86_COMPAT_ISA_1_NEEDED:
|
|
|
d7faec |
+ case elfcpp::GNU_PROPERTY_X86_COMPAT_2_ISA_1_USED:
|
|
|
d7faec |
+ case elfcpp::GNU_PROPERTY_X86_COMPAT_2_ISA_1_NEEDED:
|
|
|
d7faec |
+ case elfcpp::GNU_PROPERTY_X86_ISA_1_USED:
|
|
|
d7faec |
+ case elfcpp::GNU_PROPERTY_X86_ISA_1_NEEDED:
|
|
|
d7faec |
+ case elfcpp::GNU_PROPERTY_X86_FEATURE_1_AND:
|
|
|
d7faec |
+ case elfcpp::GNU_PROPERTY_X86_FEATURE_2_USED:
|
|
|
d7faec |
+ case elfcpp::GNU_PROPERTY_X86_FEATURE_2_NEEDED:
|
|
|
d7faec |
+ if (pr_datasz != 4)
|
|
|
d7faec |
+ {
|
|
|
d7faec |
+ gold_warning(_("%s: corrupt .note.gnu.property section "
|
|
|
d7faec |
+ "(pr_datasz for property %d is not 4)"),
|
|
|
d7faec |
+ object->name().c_str(), pr_type);
|
|
|
d7faec |
+ return;
|
|
|
d7faec |
+ }
|
|
|
d7faec |
+ val = elfcpp::Swap<32, false>::readval(pr_data);
|
|
|
d7faec |
+ break;
|
|
|
d7faec |
+ default:
|
|
|
d7faec |
+ gold_warning(_("%s: unknown program property type 0x%x "
|
|
|
d7faec |
+ "in .note.gnu.property section"),
|
|
|
d7faec |
+ object->name().c_str(), pr_type);
|
|
|
d7faec |
+ break;
|
|
|
d7faec |
+ }
|
|
|
d7faec |
+
|
|
|
d7faec |
+ switch (pr_type)
|
|
|
d7faec |
+ {
|
|
|
d7faec |
+ case elfcpp::GNU_PROPERTY_X86_ISA_1_USED:
|
|
|
d7faec |
+ this->object_isa_1_used_ |= val;
|
|
|
d7faec |
+ break;
|
|
|
d7faec |
+ case elfcpp::GNU_PROPERTY_X86_ISA_1_NEEDED:
|
|
|
d7faec |
+ this->isa_1_needed_ |= val;
|
|
|
d7faec |
+ break;
|
|
|
d7faec |
+ case elfcpp::GNU_PROPERTY_X86_FEATURE_1_AND:
|
|
|
d7faec |
+ // If we see multiple feature props in one object, OR them together.
|
|
|
d7faec |
+ this->object_feature_1_ |= val;
|
|
|
d7faec |
+ break;
|
|
|
d7faec |
+ case elfcpp::GNU_PROPERTY_X86_FEATURE_2_USED:
|
|
|
d7faec |
+ this->object_feature_2_used_ |= val;
|
|
|
d7faec |
+ break;
|
|
|
d7faec |
+ case elfcpp::GNU_PROPERTY_X86_FEATURE_2_NEEDED:
|
|
|
d7faec |
+ this->feature_2_needed_ |= val;
|
|
|
d7faec |
+ break;
|
|
|
d7faec |
+ }
|
|
|
d7faec |
+}
|
|
|
d7faec |
+
|
|
|
d7faec |
+// Merge the target-specific program properties from the current object.
|
|
|
d7faec |
+void
|
|
|
d7faec |
+Target_i386::merge_gnu_properties(const Object*)
|
|
|
d7faec |
+{
|
|
|
d7faec |
+ if (this->seen_first_object_)
|
|
|
d7faec |
+ {
|
|
|
d7faec |
+ // If any object is missing the ISA_1_USED property, we must omit
|
|
|
d7faec |
+ // it from the output file.
|
|
|
d7faec |
+ if (this->object_isa_1_used_ == 0)
|
|
|
d7faec |
+ this->isa_1_used_ = 0;
|
|
|
d7faec |
+ else if (this->isa_1_used_ != 0)
|
|
|
d7faec |
+ this->isa_1_used_ |= this->object_isa_1_used_;
|
|
|
d7faec |
+ this->feature_1_ &= this->object_feature_1_;
|
|
|
d7faec |
+ // If any object is missing the FEATURE_2_USED property, we must
|
|
|
d7faec |
+ // omit it from the output file.
|
|
|
d7faec |
+ if (this->object_feature_2_used_ == 0)
|
|
|
d7faec |
+ this->feature_2_used_ = 0;
|
|
|
d7faec |
+ else if (this->feature_2_used_ != 0)
|
|
|
d7faec |
+ this->feature_2_used_ |= this->object_feature_2_used_;
|
|
|
d7faec |
+ }
|
|
|
d7faec |
+ else
|
|
|
d7faec |
+ {
|
|
|
d7faec |
+ this->isa_1_used_ = this->object_isa_1_used_;
|
|
|
d7faec |
+ this->feature_1_ = this->object_feature_1_;
|
|
|
d7faec |
+ this->feature_2_used_ = this->object_feature_2_used_;
|
|
|
d7faec |
+ this->seen_first_object_ = true;
|
|
|
d7faec |
+ }
|
|
|
d7faec |
+ this->object_isa_1_used_ = 0;
|
|
|
d7faec |
+ this->object_feature_1_ = 0;
|
|
|
d7faec |
+ this->object_feature_2_used_ = 0;
|
|
|
d7faec |
+}
|
|
|
d7faec |
+
|
|
|
d7faec |
+static inline void
|
|
|
d7faec |
+add_property(Layout* layout, unsigned int pr_type, uint32_t val)
|
|
|
d7faec |
+{
|
|
|
d7faec |
+ unsigned char buf[4];
|
|
|
d7faec |
+ elfcpp::Swap<32, false>::writeval(buf, val);
|
|
|
d7faec |
+ layout->add_gnu_property(elfcpp::NT_GNU_PROPERTY_TYPE_0, pr_type, 4, buf);
|
|
|
d7faec |
+}
|
|
|
d7faec |
+
|
|
|
d7faec |
+// Finalize the target-specific program properties and add them back to
|
|
|
d7faec |
+// the layout.
|
|
|
d7faec |
+void
|
|
|
d7faec |
+Target_i386::do_finalize_gnu_properties(Layout* layout) const
|
|
|
d7faec |
+{
|
|
|
d7faec |
+ if (this->isa_1_used_ != 0)
|
|
|
d7faec |
+ add_property(layout, elfcpp::GNU_PROPERTY_X86_ISA_1_USED,
|
|
|
d7faec |
+ this->isa_1_used_);
|
|
|
d7faec |
+ if (this->isa_1_needed_ != 0)
|
|
|
d7faec |
+ add_property(layout, elfcpp::GNU_PROPERTY_X86_ISA_1_NEEDED,
|
|
|
d7faec |
+ this->isa_1_needed_);
|
|
|
d7faec |
+ if (this->feature_1_ != 0)
|
|
|
d7faec |
+ add_property(layout, elfcpp::GNU_PROPERTY_X86_FEATURE_1_AND,
|
|
|
d7faec |
+ this->feature_1_);
|
|
|
d7faec |
+ if (this->feature_2_used_ != 0)
|
|
|
d7faec |
+ add_property(layout, elfcpp::GNU_PROPERTY_X86_FEATURE_2_USED,
|
|
|
d7faec |
+ this->feature_2_used_);
|
|
|
d7faec |
+ if (this->feature_2_needed_ != 0)
|
|
|
d7faec |
+ add_property(layout, elfcpp::GNU_PROPERTY_X86_FEATURE_2_NEEDED,
|
|
|
d7faec |
+ this->feature_2_needed_);
|
|
|
d7faec |
+}
|
|
|
d7faec |
+
|
|
|
d7faec |
// Write the first three reserved words of the .got.plt section.
|
|
|
d7faec |
// The remainder of the section is written while writing the PLT
|
|
|
d7faec |
// in Output_data_plt_i386::do_write.
|
|
|
d7faec |
--- binutils.orig/elfcpp/elfcpp.h 2021-06-23 12:31:04.550738064 +0100
|
|
|
d7faec |
+++ binutils-2.30/elfcpp/elfcpp.h 2021-06-23 12:33:18.068875079 +0100
|
|
|
d7faec |
@@ -1008,9 +1008,21 @@ enum
|
|
|
d7faec |
GNU_PROPERTY_STACK_SIZE = 1,
|
|
|
d7faec |
GNU_PROPERTY_NO_COPY_ON_PROTECTED = 2,
|
|
|
d7faec |
GNU_PROPERTY_LOPROC = 0xc0000000,
|
|
|
d7faec |
- GNU_PROPERTY_X86_ISA_1_USED = 0xc0000000,
|
|
|
d7faec |
- GNU_PROPERTY_X86_ISA_1_NEEDED = 0xc0000001,
|
|
|
d7faec |
- GNU_PROPERTY_X86_FEATURE_1_AND = 0xc0000002,
|
|
|
d7faec |
+ GNU_PROPERTY_X86_COMPAT_ISA_1_USED = 0xc0000000,
|
|
|
d7faec |
+ GNU_PROPERTY_X86_COMPAT_ISA_1_NEEDED = 0xc0000001,
|
|
|
d7faec |
+ GNU_PROPERTY_X86_UINT32_AND_LO = 0xc0000002,
|
|
|
d7faec |
+ GNU_PROPERTY_X86_UINT32_AND_HI = 0xc0007fff,
|
|
|
d7faec |
+ GNU_PROPERTY_X86_UINT32_OR_LO = 0xc0008000,
|
|
|
d7faec |
+ GNU_PROPERTY_X86_UINT32_OR_HI = 0xc000ffff,
|
|
|
d7faec |
+ GNU_PROPERTY_X86_UINT32_OR_AND_LO = 0xc0010000,
|
|
|
d7faec |
+ GNU_PROPERTY_X86_UINT32_OR_AND_HI = 0xc0017fff,
|
|
|
d7faec |
+ GNU_PROPERTY_X86_COMPAT_2_ISA_1_NEEDED = GNU_PROPERTY_X86_UINT32_OR_LO + 0,
|
|
|
d7faec |
+ GNU_PROPERTY_X86_COMPAT_2_ISA_1_USED = GNU_PROPERTY_X86_UINT32_OR_AND_LO + 0,
|
|
|
d7faec |
+ GNU_PROPERTY_X86_FEATURE_1_AND = GNU_PROPERTY_X86_UINT32_AND_LO + 0,
|
|
|
d7faec |
+ GNU_PROPERTY_X86_ISA_1_NEEDED = GNU_PROPERTY_X86_UINT32_OR_LO + 2,
|
|
|
d7faec |
+ GNU_PROPERTY_X86_FEATURE_2_NEEDED = GNU_PROPERTY_X86_UINT32_OR_LO + 1,
|
|
|
d7faec |
+ GNU_PROPERTY_X86_ISA_1_USED = GNU_PROPERTY_X86_UINT32_OR_AND_LO + 2,
|
|
|
d7faec |
+ GNU_PROPERTY_X86_FEATURE_2_USED = GNU_PROPERTY_X86_UINT32_OR_AND_LO + 1,
|
|
|
d7faec |
GNU_PROPERTY_HIPROC = 0xdfffffff,
|
|
|
d7faec |
GNU_PROPERTY_LOUSER = 0xe0000000,
|
|
|
d7faec |
GNU_PROPERTY_HIUSER = 0xffffffff
|
|
|
d7faec |
--- binutils.orig/gold/i386.cc 2021-07-07 14:15:34.369441519 +0100
|
|
|
d7faec |
+++ binutils-2.30/gold/i386.cc 2021-07-07 14:36:11.932838272 +0100
|
|
|
d7faec |
@@ -362,9 +362,8 @@ class Target_i386 : public Sized_target<
|
|
|
d7faec |
rel_irelative_(NULL), copy_relocs_(elfcpp::R_386_COPY),
|
|
|
d7faec |
got_mod_index_offset_(-1U), tls_base_symbol_defined_(false),
|
|
|
d7faec |
isa_1_used_(0), isa_1_needed_(0),
|
|
|
d7faec |
- feature_1_(0), feature_2_used_(0), feature_2_needed_(0),
|
|
|
d7faec |
- object_isa_1_used_(0), object_feature_1_(0),
|
|
|
d7faec |
- object_feature_2_used_(0), seen_first_object_(false)
|
|
|
d7faec |
+ feature_1_(0), object_feature_1_(0),
|
|
|
d7faec |
+ seen_first_object_(false)
|
|
|
d7faec |
{ }
|
|
|
d7faec |
|
|
|
d7faec |
// Process the relocations to determine unreferenced sections for
|
|
|
d7faec |
@@ -866,7 +865,7 @@ class Target_i386 : public Sized_target<
|
|
|
d7faec |
// Record a target-specific program property in the .note.gnu.property
|
|
|
d7faec |
// section.
|
|
|
d7faec |
void
|
|
|
d7faec |
- record_gnu_property(unsigned int, unsigned int, size_t,
|
|
|
d7faec |
+ record_gnu_property(int, int, size_t,
|
|
|
d7faec |
const unsigned char*, const Object*);
|
|
|
d7faec |
|
|
|
d7faec |
// Merge the target-specific program properties from the current object.
|
|
|
d7faec |
@@ -923,18 +922,10 @@ class Target_i386 : public Sized_target<
|
|
|
d7faec |
uint32_t isa_1_used_;
|
|
|
d7faec |
uint32_t isa_1_needed_;
|
|
|
d7faec |
uint32_t feature_1_;
|
|
|
d7faec |
- uint32_t feature_2_used_;
|
|
|
d7faec |
- uint32_t feature_2_needed_;
|
|
|
d7faec |
// Target-specific properties from the current object.
|
|
|
d7faec |
- // These bits get ORed into ISA_1_USED_ after all properties for the object
|
|
|
d7faec |
- // have been processed. But if either is all zeroes (as when the property
|
|
|
d7faec |
- // is absent from an object), the result should be all zeroes.
|
|
|
d7faec |
- // (See PR ld/23486.)
|
|
|
d7faec |
- uint32_t object_isa_1_used_;
|
|
|
d7faec |
// These bits get ANDed into FEATURE_1_ after all properties for the object
|
|
|
d7faec |
// have been processed.
|
|
|
d7faec |
uint32_t object_feature_1_;
|
|
|
d7faec |
- uint32_t object_feature_2_used_;
|
|
|
d7faec |
// Whether we have seen our first object, for use in initializing FEATURE_1_.
|
|
|
d7faec |
bool seen_first_object_;
|
|
|
d7faec |
};
|
|
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d7faec |
@@ -1084,7 +1075,7 @@ Target_i386::rel_irelative_section(Layou
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// section.
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void
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Target_i386::record_gnu_property(
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- unsigned int, unsigned int pr_type,
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+ int, int pr_type,
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size_t pr_datasz, const unsigned char* pr_data,
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const Object* object)
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{
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@@ -1092,15 +1083,9 @@ Target_i386::record_gnu_property(
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switch (pr_type)
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{
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- case elfcpp::GNU_PROPERTY_X86_COMPAT_ISA_1_USED:
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- case elfcpp::GNU_PROPERTY_X86_COMPAT_ISA_1_NEEDED:
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- case elfcpp::GNU_PROPERTY_X86_COMPAT_2_ISA_1_USED:
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- case elfcpp::GNU_PROPERTY_X86_COMPAT_2_ISA_1_NEEDED:
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case elfcpp::GNU_PROPERTY_X86_ISA_1_USED:
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case elfcpp::GNU_PROPERTY_X86_ISA_1_NEEDED:
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case elfcpp::GNU_PROPERTY_X86_FEATURE_1_AND:
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- case elfcpp::GNU_PROPERTY_X86_FEATURE_2_USED:
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- case elfcpp::GNU_PROPERTY_X86_FEATURE_2_NEEDED:
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if (pr_datasz != 4)
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{
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gold_warning(_("%s: corrupt .note.gnu.property section "
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@@ -1120,7 +1105,7 @@ Target_i386::record_gnu_property(
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switch (pr_type)
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{
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case elfcpp::GNU_PROPERTY_X86_ISA_1_USED:
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- this->object_isa_1_used_ |= val;
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+ this->isa_1_used_ |= val;
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break;
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case elfcpp::GNU_PROPERTY_X86_ISA_1_NEEDED:
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this->isa_1_needed_ |= val;
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@@ -1129,12 +1114,6 @@ Target_i386::record_gnu_property(
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// If we see multiple feature props in one object, OR them together.
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this->object_feature_1_ |= val;
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break;
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- case elfcpp::GNU_PROPERTY_X86_FEATURE_2_USED:
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- this->object_feature_2_used_ |= val;
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- break;
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- case elfcpp::GNU_PROPERTY_X86_FEATURE_2_NEEDED:
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- this->feature_2_needed_ |= val;
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- break;
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}
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}
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@@ -1143,31 +1122,13 @@ void
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Target_i386::merge_gnu_properties(const Object*)
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{
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if (this->seen_first_object_)
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- {
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- // If any object is missing the ISA_1_USED property, we must omit
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- // it from the output file.
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- if (this->object_isa_1_used_ == 0)
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- this->isa_1_used_ = 0;
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- else if (this->isa_1_used_ != 0)
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- this->isa_1_used_ |= this->object_isa_1_used_;
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- this->feature_1_ &= this->object_feature_1_;
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- // If any object is missing the FEATURE_2_USED property, we must
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- // omit it from the output file.
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- if (this->object_feature_2_used_ == 0)
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- this->feature_2_used_ = 0;
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- else if (this->feature_2_used_ != 0)
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- this->feature_2_used_ |= this->object_feature_2_used_;
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- }
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+ this->feature_1_ &= this->object_feature_1_;
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else
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{
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- this->isa_1_used_ = this->object_isa_1_used_;
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this->feature_1_ = this->object_feature_1_;
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- this->feature_2_used_ = this->object_feature_2_used_;
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this->seen_first_object_ = true;
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}
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- this->object_isa_1_used_ = 0;
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this->object_feature_1_ = 0;
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- this->object_feature_2_used_ = 0;
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}
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static inline void
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@@ -1192,12 +1153,6 @@ Target_i386::do_finalize_gnu_properties(
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if (this->feature_1_ != 0)
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add_property(layout, elfcpp::GNU_PROPERTY_X86_FEATURE_1_AND,
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this->feature_1_);
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- if (this->feature_2_used_ != 0)
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- add_property(layout, elfcpp::GNU_PROPERTY_X86_FEATURE_2_USED,
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- this->feature_2_used_);
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- if (this->feature_2_needed_ != 0)
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- add_property(layout, elfcpp::GNU_PROPERTY_X86_FEATURE_2_NEEDED,
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- this->feature_2_needed_);
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}
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// Write the first three reserved words of the .got.plt section.
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