+2017-08-29 Alan Modra <amodra@gmail.com>
+
+ * symtab.h (Symbol): Split u_ into u1_ and u2_. Adjust accessors
+ to suit. Move plt_offset_ before got_offsets_.
+ * symtab.cc (Symbol::init_fields): Adjust for union change.
+ (Symbol::init_base_output_data): Likewise.
+ (Symbol::init_base_output_segment): Likewise.
+ (Symbol::allocate_base_common): Likewise.
+ (Symbol::output_section): Likewise.
+ (Symbol::set_output_section): Likewise.
+ (Symbol::set_output_segment): Likewise.
+ * resolve.cc (Symbol::override_base): Likewise.
+ (Symbol::override_base_with_special): Likewise.
+
2017-08-28 Igor Kudrin <ikudrin@accesssoftek.com>
* aarch64.cc (Target_aarch64::Relocate::relocate_tls):
Object* object, const char* version)
{
gold_assert(this->source_ == FROM_OBJECT);
- this->u_.from_object.object = object;
+ this->u1_.object = object;
this->override_version(version);
- this->u_.from_object.shndx = st_shndx;
+ this->u2_.shndx = st_shndx;
this->is_ordinary_shndx_ = is_ordinary;
// Don't override st_type from plugin placeholder symbols.
if (object->pluginobj() == NULL)
switch (from->source_)
{
case FROM_OBJECT:
- this->u_.from_object = from->u_.from_object;
- break;
case IN_OUTPUT_DATA:
- this->u_.in_output_data = from->u_.in_output_data;
- break;
case IN_OUTPUT_SEGMENT:
- this->u_.in_output_segment = from->u_.in_output_segment;
+ this->u1_ = from->u1_;
+ this->u2_ = from->u2_;
break;
case IS_CONSTANT:
case IS_UNDEFINED:
// Class Symbol.
-// Initialize fields in Symbol. This initializes everything except u_
-// and source_.
+// Initialize fields in Symbol. This initializes everything except
+// u1_, u2_ and source_.
void
Symbol::init_fields(const char* name, const char* version,
{
this->init_fields(name, version, sym.get_st_type(), sym.get_st_bind(),
sym.get_st_visibility(), sym.get_st_nonvis());
- this->u_.from_object.object = object;
- this->u_.from_object.shndx = st_shndx;
+ this->u1_.object = object;
+ this->u2_.shndx = st_shndx;
this->is_ordinary_shndx_ = is_ordinary;
this->source_ = FROM_OBJECT;
this->in_reg_ = !object->is_dynamic();
bool is_predefined)
{
this->init_fields(name, version, type, binding, visibility, nonvis);
- this->u_.in_output_data.output_data = od;
- this->u_.in_output_data.offset_is_from_end = offset_is_from_end;
+ this->u1_.output_data = od;
+ this->u2_.offset_is_from_end = offset_is_from_end;
this->source_ = IN_OUTPUT_DATA;
this->in_reg_ = true;
this->in_real_elf_ = true;
bool is_predefined)
{
this->init_fields(name, version, type, binding, visibility, nonvis);
- this->u_.in_output_segment.output_segment = os;
- this->u_.in_output_segment.offset_base = offset_base;
+ this->u1_.output_segment = os;
+ this->u2_.offset_base = offset_base;
this->source_ = IN_OUTPUT_SEGMENT;
this->in_reg_ = true;
this->in_real_elf_ = true;
{
gold_assert(this->is_common());
this->source_ = IN_OUTPUT_DATA;
- this->u_.in_output_data.output_data = od;
- this->u_.in_output_data.offset_is_from_end = false;
+ this->u1_.output_data = od;
+ this->u2_.offset_is_from_end = false;
}
// Initialize the fields in Sized_symbol for SYM in OBJECT.
{
case FROM_OBJECT:
{
- unsigned int shndx = this->u_.from_object.shndx;
+ unsigned int shndx = this->u2_.shndx;
if (shndx != elfcpp::SHN_UNDEF && this->is_ordinary_shndx_)
{
- gold_assert(!this->u_.from_object.object->is_dynamic());
- gold_assert(this->u_.from_object.object->pluginobj() == NULL);
- Relobj* relobj = static_cast<Relobj*>(this->u_.from_object.object);
+ gold_assert(!this->u1_.object->is_dynamic());
+ gold_assert(this->u1_.object->pluginobj() == NULL);
+ Relobj* relobj = static_cast<Relobj*>(this->u1_.object);
return relobj->output_section(shndx);
}
return NULL;
}
case IN_OUTPUT_DATA:
- return this->u_.in_output_data.output_data->output_section();
+ return this->u1_.output_data->output_section();
case IN_OUTPUT_SEGMENT:
case IS_CONSTANT:
break;
case IS_CONSTANT:
this->source_ = IN_OUTPUT_DATA;
- this->u_.in_output_data.output_data = os;
- this->u_.in_output_data.offset_is_from_end = false;
+ this->u1_.output_data = os;
+ this->u2_.offset_is_from_end = false;
break;
case IN_OUTPUT_SEGMENT:
case IS_UNDEFINED:
{
gold_assert(this->is_predefined_);
this->source_ = IN_OUTPUT_SEGMENT;
- this->u_.in_output_segment.output_segment = os;
- this->u_.in_output_segment.offset_base = base;
+ this->u1_.output_segment = os;
+ this->u2_.offset_base = base;
}
// Set the symbol to undefined. This is used for pre-defined
object() const
{
gold_assert(this->source_ == FROM_OBJECT);
- return this->u_.from_object.object;
+ return this->u1_.object;
}
// Return the index of the section in the input relocatable or
{
gold_assert(this->source_ == FROM_OBJECT);
*is_ordinary = this->is_ordinary_shndx_;
- return this->u_.from_object.shndx;
+ return this->u2_.shndx;
}
// Return the output data section with which this symbol is
output_data() const
{
gold_assert(this->source_ == IN_OUTPUT_DATA);
- return this->u_.in_output_data.output_data;
+ return this->u1_.output_data;
}
// If this symbol was defined with respect to an output data
offset_is_from_end() const
{
gold_assert(this->source_ == IN_OUTPUT_DATA);
- return this->u_.in_output_data.offset_is_from_end;
+ return this->u2_.offset_is_from_end;
}
// Return the output segment with which this symbol is associated,
output_segment() const
{
gold_assert(this->source_ == IN_OUTPUT_SEGMENT);
- return this->u_.in_output_segment.output_segment;
+ return this->u1_.output_segment;
}
// If this symbol was defined with respect to an output segment,
offset_base() const
{
gold_assert(this->source_ == IN_OUTPUT_SEGMENT);
- return this->u_.in_output_segment.offset_base;
+ return this->u2_.offset_base;
}
// Return the symbol binding.
union
{
- // This struct is used if SOURCE_ == FROM_OBJECT.
- struct
- {
- // Object in which symbol is defined, or in which it was first
- // seen.
- Object* object;
- // Section number in object_ in which symbol is defined.
- unsigned int shndx;
- } from_object;
-
- // This struct is used if SOURCE_ == IN_OUTPUT_DATA.
- struct
- {
- // Output_data in which symbol is defined. Before
- // Layout::finalize the symbol's value is an offset within the
- // Output_data.
- Output_data* output_data;
- // True if the offset is from the end, false if the offset is
- // from the beginning.
- bool offset_is_from_end;
- } in_output_data;
-
- // This struct is used if SOURCE_ == IN_OUTPUT_SEGMENT.
- struct
- {
- // Output_segment in which the symbol is defined. Before
- // Layout::finalize the symbol's value is an offset.
- Output_segment* output_segment;
- // The base to use for the offset before Layout::finalize.
- Segment_offset_base offset_base;
- } in_output_segment;
- } u_;
+ // This is used if SOURCE_ == FROM_OBJECT.
+ // Object in which symbol is defined, or in which it was first
+ // seen.
+ Object* object;
+
+ // This is used if SOURCE_ == IN_OUTPUT_DATA.
+ // Output_data in which symbol is defined. Before
+ // Layout::finalize the symbol's value is an offset within the
+ // Output_data.
+ Output_data* output_data;
+
+ // This is used if SOURCE_ == IN_OUTPUT_SEGMENT.
+ // Output_segment in which the symbol is defined. Before
+ // Layout::finalize the symbol's value is an offset.
+ Output_segment* output_segment;
+ } u1_;
+
+ union
+ {
+ // This is used if SOURCE_ == FROM_OBJECT.
+ // Section number in object in which symbol is defined.
+ unsigned int shndx;
+
+ // This is used if SOURCE_ == IN_OUTPUT_DATA.
+ // True if the offset is from the end, false if the offset is
+ // from the beginning.
+ bool offset_is_from_end;
+
+ // This is used if SOURCE_ == IN_OUTPUT_SEGMENT.
+ // The base to use for the offset before Layout::finalize.
+ Segment_offset_base offset_base;
+ } u2_;
// The index of this symbol in the output file. If the symbol is
// not going into the output file, this value is -1U. This field
// non-zero value during Layout::finalize.
unsigned int dynsym_index_;
- // The GOT section entries for this symbol. A symbol may have more
- // than one GOT offset (e.g., when mixing modules compiled with two
- // different TLS models), but will usually have at most one.
- Got_offset_list got_offsets_;
-
// If this symbol has an entry in the PLT section, then this is the
// offset from the start of the PLT section. This is -1U if there
// is no PLT entry.
unsigned int plt_offset_;
+ // The GOT section entries for this symbol. A symbol may have more
+ // than one GOT offset (e.g., when mixing modules compiled with two
+ // different TLS models), but will usually have at most one.
+ Got_offset_list got_offsets_;
+
// Symbol type (bits 0 to 3).
elfcpp::STT type_ : 4;
// Symbol binding (bits 4 to 7).
// True if this symbol was forced to local visibility by a version
// script (bit 28).
bool is_forced_local_ : 1;
- // True if the field u_.from_object.shndx is an ordinary section
+ // True if the field u2_.shndx is an ordinary section
// index, not one of the special codes from SHN_LORESERVE to
// SHN_HIRESERVE (bit 29).
bool is_ordinary_shndx_ : 1;
projects / binutils-gdb.git / commitdiff