diff options
Diffstat (limited to 'gold/layout.cc')
| -rw-r--r-- | gold/layout.cc | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gold/layout.cc b/gold/layout.cc index 1bbfcb6..e8582ca 100644 --- a/gold/layout.cc +++ b/gold/layout.cc @@ -404,6 +404,17 @@ Layout::layout(Sized_relobj<size, big_endian>* object, unsigned int shndx, return NULL; } + // By default the GNU linker sorts input sections whose names match + // .ctor.*, .dtor.*, .init_array.*, or .fini_array.*. The sections + // are sorted by name. This is used to implement constructor + // priority ordering. We are compatible. + if (!this->script_options_->saw_sections_clause() + && (is_prefix_of(".ctors.", name) + || is_prefix_of(".dtors.", name) + || is_prefix_of(".init_array.", name) + || is_prefix_of(".fini_array.", name))) + os->set_must_sort_attached_input_sections(); + // FIXME: Handle SHF_LINK_ORDER somewhere. *off = os->add_input_section(object, shndx, name, shdr, reloc_shndx, @@ -671,6 +682,16 @@ Layout::make_output_section(const char* name, elfcpp::Elf_Word type, else this->attach_to_segment(os, flags); + // The GNU linker by default sorts some sections by priority, so we + // do the same. We need to know that this might happen before we + // attach any input sections. + if (!this->script_options_->saw_sections_clause() + && (strcmp(name, ".ctors") == 0 + || strcmp(name, ".dtors") == 0 + || strcmp(name, ".init_array") == 0 + || strcmp(name, ".fini_array") == 0)) + os->set_may_sort_attached_input_sections(); + return os; } |