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authorNick Clifton <nickc@redhat.com>2010-10-01 15:02:33 +0000
committerNick Clifton <nickc@redhat.com>2010-10-01 15:02:33 +0000
commitbacff3ab9ca8b5f171823f2659f44770c594710f (patch)
treefc218e1feff5a1ebd4f5f40c35cbeb244632abed /gold
parentf6d250ce5c780e6b43ea4b658d6037be34eb91bd (diff)
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* expression.cc (eval): Replace dummy argument with NULL.
(eval_maybe_dot): Check for a NULL result section pointer. (Symbol_expression::value): Likewise. (Dot_expression::value): Likewise. (BINARY_EXPRESSION): Likewise. (Max_expression::value): Likewise. (Min_expression::value): Likewise. (Absolute_expression::value): Likewise. (Addr_expression::value_from_output_section): Likewise. (Loaddddr_expression::value_from_output_section): Likewise. (Segment_start_expression::value): Likewise. * script-sections.cc (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy argument with NULL. (Sections_elememt_dot_assignment::set_section_addresses): Likewise. (Output_data_expression::do_write_to_buffer): Likewise. (Output_section_definition::finalize_symbols): Likewise. (Output_section_definition::set_section_addresses): Likewise.
Diffstat (limited to 'gold')
-rw-r--r--gold/ChangeLog24
-rw-r--r--gold/expression.cc46
-rw-r--r--gold/script-sections.cc25
3 files changed, 60 insertions, 35 deletions
diff --git a/gold/ChangeLog b/gold/ChangeLog
index 95e45c9..d03aca4 100644
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,3 +1,25 @@
+2010-10-01 Nick Clifton <nickc@redhat.com>
+
+ * expression.cc (eval): Replace dummy argument with NULL.
+ (eval_maybe_dot): Check for a NULL result section pointer.
+ (Symbol_expression::value): Likewise.
+ (Dot_expression::value): Likewise.
+ (BINARY_EXPRESSION): Likewise.
+ (Max_expression::value): Likewise.
+ (Min_expression::value): Likewise.
+ (Absolute_expression::value): Likewise.
+ (Addr_expression::value_from_output_section): Likewise.
+ (Loaddddr_expression::value_from_output_section): Likewise.
+ (Segment_start_expression::value): Likewise.
+ * script-sections.cc
+ (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
+ argument with NULL.
+ (Sections_elememt_dot_assignment::set_section_addresses):
+ Likewise.
+ (Output_data_expression::do_write_to_buffer): Likewise.
+ (Output_section_definition::finalize_symbols): Likewise.
+ (Output_section_definition::set_section_addresses): Likewise.
+
2010-09-30 Doug Kwan <dougkwan@google.com>
* gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
@@ -5,7 +27,7 @@
2010-09-28 Sriraman Tallam <tmsriram@google.com>
* target.h (Target::can_icf_inline_merge_sections): New virtual
- function.
+ function.
* x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
virtual function.
* i386.cc (Target_i386::can_icf_inline_merge_sections): New
diff --git a/gold/expression.cc b/gold/expression.cc
index e630dad..5441f7e 100644
--- a/gold/expression.cc
+++ b/gold/expression.cc
@@ -76,9 +76,8 @@ uint64_t
Expression::eval(const Symbol_table* symtab, const Layout* layout,
bool check_assertions)
{
- Output_section* dummy;
return this->eval_maybe_dot(symtab, layout, check_assertions,
- false, 0, NULL, &dummy, NULL);
+ false, 0, NULL, NULL, NULL);
}
// Evaluate an expression which may refer to the dot symbol.
@@ -115,7 +114,8 @@ Expression::eval_maybe_dot(const Symbol_table* symtab, const Layout* layout,
// We assume the value is absolute, and only set this to a section
// if we find a section relative reference.
- *result_section_pointer = NULL;
+ if (result_section_pointer != NULL)
+ *result_section_pointer = NULL;
eei.result_section_pointer = result_section_pointer;
eei.result_alignment_pointer = result_alignment_pointer;
@@ -181,7 +181,8 @@ Symbol_expression::value(const Expression_eval_info* eei)
return 0;
}
- *eei->result_section_pointer = sym->output_section();
+ if (eei->result_section_pointer != NULL)
+ *eei->result_section_pointer = sym->output_section();
if (parameters->target().get_size() == 32)
return eei->symtab->get_sized_symbol<32>(sym)->value();
@@ -217,7 +218,8 @@ Dot_expression::value(const Expression_eval_info* eei)
"SECTIONS clause"));
return 0;
}
- *eei->result_section_pointer = eei->dot_section;
+ if (eei->result_section_pointer != NULL)
+ *eei->result_section_pointer = eei->dot_section;
return eei->dot_value;
}
@@ -406,7 +408,8 @@ class Binary_expression : public Expression
&right_alignment); \
if (KEEP_RIGHT && left_section == NULL && right_section != NULL) \
{ \
- *eei->result_section_pointer = right_section; \
+ if (eei->result_section_pointer != NULL) \
+ *eei->result_section_pointer = right_section; \
if (eei->result_alignment_pointer != NULL) \
*eei->result_alignment_pointer = right_alignment; \
} \
@@ -414,7 +417,8 @@ class Binary_expression : public Expression
&& left_section != NULL \
&& right_section == NULL) \
{ \
- *eei->result_section_pointer = left_section; \
+ if (eei->result_section_pointer != NULL) \
+ *eei->result_section_pointer = left_section; \
if (eei->result_alignment_pointer != NULL) \
*eei->result_alignment_pointer = right_alignment; \
} \
@@ -602,7 +606,10 @@ class Max_expression : public Binary_expression
uint64_t right_alignment;
uint64_t right = this->right_value(eei, &right_section, &right_alignment);
if (left_section == right_section)
- *eei->result_section_pointer = left_section;
+ {
+ if (eei->result_section_pointer != NULL)
+ *eei->result_section_pointer = left_section;
+ }
else if ((left_section != NULL || right_section != NULL)
&& parameters->options().relocatable())
gold_warning(_("max applied to section relative value"));
@@ -650,7 +657,10 @@ class Min_expression : public Binary_expression
uint64_t right_alignment;
uint64_t right = this->right_value(eei, &right_section, &right_alignment);
if (left_section == right_section)
- *eei->result_section_pointer = left_section;
+ {
+ if (eei->result_section_pointer != NULL)
+ *eei->result_section_pointer = left_section;
+ }
else if ((left_section != NULL || right_section != NULL)
&& parameters->options().relocatable())
gold_warning(_("min applied to section relative value"));
@@ -756,10 +766,10 @@ class Absolute_expression : public Unary_expression
uint64_t
value(const Expression_eval_info* eei)
{
- Output_section* dummy;
- uint64_t ret = this->arg_value(eei, &dummy);
+ uint64_t ret = this->arg_value(eei, NULL);
// Force the value to be absolute.
- *eei->result_section_pointer = NULL;
+ if (eei->result_section_pointer != NULL)
+ *eei->result_section_pointer = NULL;
return ret;
}
@@ -873,7 +883,8 @@ class Addr_expression : public Section_expression
value_from_output_section(const Expression_eval_info* eei,
Output_section* os)
{
- *eei->result_section_pointer = os;
+ if (eei->result_section_pointer != NULL)
+ *eei->result_section_pointer = os;
return os->address();
}
@@ -1078,7 +1089,8 @@ class Loadaddr_expression : public Section_expression
return os->load_address();
else
{
- *eei->result_section_pointer = os;
+ if (eei->result_section_pointer != NULL)
+ *eei->result_section_pointer = os;
return os->address();
}
}
@@ -1220,10 +1232,10 @@ Segment_start_expression::value(const Expression_eval_info* eei)
return parameters->options().Tbss();
else
{
- Output_section* dummy;
- uint64_t ret = this->arg_value(eei, &dummy);
+ uint64_t ret = this->arg_value(eei, NULL);
// Force the value to be absolute.
- *eei->result_section_pointer = NULL;
+ if (eei->result_section_pointer != NULL)
+ *eei->result_section_pointer = NULL;
return ret;
}
}
diff --git a/gold/script-sections.cc b/gold/script-sections.cc
index eebbb5e..2de3a3f 100644
--- a/gold/script-sections.cc
+++ b/gold/script-sections.cc
@@ -656,9 +656,8 @@ class Sections_element_dot_assignment : public Sections_element
// We ignore the section of the result because outside of an
// output section definition the dot symbol is always considered
// to be absolute.
- Output_section* dummy;
*dot_value = this->val_->eval_with_dot(symtab, layout, true, *dot_value,
- NULL, &dummy, NULL);
+ NULL, NULL, NULL);
}
// Update the dot symbol while setting section addresses.
@@ -667,9 +666,8 @@ class Sections_element_dot_assignment : public Sections_element
uint64_t* dot_value, uint64_t* dot_alignment,
uint64_t* load_address)
{
- Output_section* dummy;
*dot_value = this->val_->eval_with_dot(symtab, layout, false, *dot_value,
- NULL, &dummy, dot_alignment);
+ NULL, NULL, dot_alignment);
*load_address = *dot_value;
}
@@ -980,10 +978,9 @@ Output_data_expression::do_write(Output_file* of)
void
Output_data_expression::do_write_to_buffer(unsigned char* buf)
{
- Output_section* dummy;
uint64_t val = this->val_->eval_with_dot(this->symtab_, this->layout_,
true, this->dot_value_,
- this->dot_section_, &dummy, NULL);
+ this->dot_section_, NULL, NULL);
if (parameters->target().is_big_endian())
this->endian_write_to_buffer<true>(val, buf);
@@ -2052,18 +2049,15 @@ Output_section_definition::finalize_symbols(Symbol_table* symtab,
uint64_t address = *dot_value;
if (this->address_ != NULL)
{
- Output_section* dummy;
address = this->address_->eval_with_dot(symtab, layout, true,
*dot_value, NULL,
- &dummy, NULL);
+ NULL, NULL);
}
if (this->align_ != NULL)
{
- Output_section* dummy;
uint64_t align = this->align_->eval_with_dot(symtab, layout, true,
- *dot_value,
- NULL,
- &dummy, NULL);
+ *dot_value, NULL,
+ NULL, NULL);
address = align_address(address, align);
}
*dot_value = address;
@@ -2131,9 +2125,8 @@ Output_section_definition::set_section_addresses(Symbol_table* symtab,
address = *dot_value;
else
{
- Output_section* dummy;
address = this->address_->eval_with_dot(symtab, layout, true,
- *dot_value, NULL, &dummy,
+ *dot_value, NULL, NULL,
dot_alignment);
}
}
@@ -2178,11 +2171,9 @@ Output_section_definition::set_section_addresses(Symbol_table* symtab,
this->evaluated_load_address_ = address;
else
{
- Output_section* dummy;
uint64_t laddr =
this->load_address_->eval_with_dot(symtab, layout, true, *dot_value,
- this->output_section_, &dummy,
- NULL);
+ this->output_section_, NULL, NULL);
if (this->output_section_ != NULL)
this->output_section_->set_load_address(laddr);
this->evaluated_load_address_ = laddr;