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author | Ian Lance Taylor <iant@google.com> | 2008-02-14 02:34:22 +0000 |
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committer | Ian Lance Taylor <iant@google.com> | 2008-02-14 02:34:22 +0000 |
commit | fd247bfe68f03688b12c8583933f5471f1ed0a86 (patch) | |
tree | 7847ca84e6de4934f78ae5cad55a14513d657daa /gold | |
parent | 718e06bc33d8d01e10d192aeba2d10da773e3954 (diff) | |
download | gdb-fd247bfe68f03688b12c8583933f5471f1ed0a86.zip gdb-fd247bfe68f03688b12c8583933f5471f1ed0a86.tar.gz gdb-fd247bfe68f03688b12c8583933f5471f1ed0a86.tar.bz2 |
Set load address for orphan sections.
Diffstat (limited to 'gold')
-rw-r--r-- | gold/script-sections.cc | 42 |
1 files changed, 33 insertions, 9 deletions
diff --git a/gold/script-sections.cc b/gold/script-sections.cc index db0c53b..68cba6b 100644 --- a/gold/script-sections.cc +++ b/gold/script-sections.cc @@ -80,7 +80,7 @@ class Sections_element // Set section addresses. This includes applying assignments if the // the expression is an absolute value. virtual void - set_section_addresses(Symbol_table*, Layout*, uint64_t*) + set_section_addresses(Symbol_table*, Layout*, uint64_t*, uint64_t*) { } // Check a constraint (ONLY_IF_RO, etc.) on an output section. If @@ -139,7 +139,7 @@ class Sections_element_assignment : public Sections_element // absolute symbols when setting dot. void set_section_addresses(Symbol_table* symtab, Layout* layout, - uint64_t* dot_value) + uint64_t* dot_value, uint64_t*) { this->assignment_.set_if_absolute(symtab, layout, true, *dot_value); } @@ -182,11 +182,12 @@ class Sections_element_dot_assignment : public Sections_element // Update the dot symbol while setting section addresses. void set_section_addresses(Symbol_table* symtab, Layout* layout, - uint64_t* dot_value) + uint64_t* dot_value, uint64_t* load_address) { Output_section* dummy; *dot_value = this->val_->eval_with_dot(symtab, layout, *dot_value, NULL, &dummy); + *load_address = *dot_value; } // Print for debugging. @@ -1215,7 +1216,7 @@ class Output_section_definition : public Sections_element // Set the section address. void set_section_addresses(Symbol_table* symtab, Layout* layout, - uint64_t* dot_value); + uint64_t* dot_value, uint64_t* load_address); // Check a constraint (ONLY_IF_RO, etc.) on an output section. If // this section is constrained, and the input sections do not match, @@ -1560,7 +1561,8 @@ Output_section_definition::place_orphan_here(const Output_section *os, void Output_section_definition::set_section_addresses(Symbol_table* symtab, Layout* layout, - uint64_t* dot_value) + uint64_t* dot_value, + uint64_t* load_address) { uint64_t address; if (this->address_ == NULL) @@ -1594,6 +1596,8 @@ Output_section_definition::set_section_addresses(Symbol_table* symtab, address = align_address(address, align); + uint64_t start_address = address; + *dot_value = address; // The address of non-SHF_ALLOC sections is forced to zero, @@ -1663,6 +1667,12 @@ Output_section_definition::set_section_addresses(Symbol_table* symtab, &input_sections); gold_assert(input_sections.empty()); + + if (this->load_address_ == NULL || this->output_section_ == NULL) + *load_address = *dot_value; + else + *load_address = (this->output_section_->load_address() + + (*dot_value - start_address)); } // Check a constraint (ONLY_IF_RO, etc.) on an output section. If @@ -1845,7 +1855,7 @@ class Orphan_output_section : public Sections_element // Set section addresses. void - set_section_addresses(Symbol_table*, Layout*, uint64_t*); + set_section_addresses(Symbol_table*, Layout*, uint64_t*, uint64_t*); // Get the list of segments to use for an allocated section when // using a PHDRS clause. If this is an allocated section, return @@ -1884,15 +1894,23 @@ Orphan_output_section::place_orphan_here(const Output_section* os, void Orphan_output_section::set_section_addresses(Symbol_table*, Layout*, - uint64_t* dot_value) + uint64_t* dot_value, + uint64_t* load_address) { typedef std::list<std::pair<Relobj*, unsigned int> > Input_section_list; + bool have_load_address = *load_address != *dot_value; + uint64_t address = *dot_value; address = align_address(address, this->os_->addralign()); if ((this->os_->flags() & elfcpp::SHF_ALLOC) != 0) - this->os_->set_address(address); + { + this->os_->set_address(address); + if (have_load_address) + this->os_->set_load_address(align_address(*load_address, + this->os_->addralign())); + } Input_section_list input_sections; address += this->os_->get_input_sections(address, "", &input_sections); @@ -1919,6 +1937,11 @@ Orphan_output_section::set_section_addresses(Symbol_table*, Layout*, address += size; } + if (!have_load_address) + *load_address = address; + else + *load_address += address - *dot_value; + *dot_value = address; } @@ -2327,10 +2350,11 @@ Script_sections::set_section_addresses(Symbol_table* symtab, Layout* layout) // For a relocatable link, we implicitly set dot to zero. uint64_t dot_value = 0; + uint64_t load_address = 0; for (Sections_elements::iterator p = this->sections_elements_->begin(); p != this->sections_elements_->end(); ++p) - (*p)->set_section_addresses(symtab, layout, &dot_value); + (*p)->set_section_addresses(symtab, layout, &dot_value, &load_address); if (this->phdrs_elements_ != NULL) { |