diff options
Diffstat (limited to 'binutils-2.22/gold/target.h')
| -rw-r--r-- | binutils-2.22/gold/target.h | 39 |
1 files changed, 27 insertions, 12 deletions
diff --git a/binutils-2.22/gold/target.h b/binutils-2.22/gold/target.h index a4aab43..81c8114 100644 --- a/binutils-2.22/gold/target.h +++ b/binutils-2.22/gold/target.h @@ -1,6 +1,7 @@ // target.h -- target support for gold -*- C++ -*- -// Copyright 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. +// Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2012 +// Free Software Foundation, Inc. // Written by Ian Lance Taylor <iant@google.com>. // This file is part of gold. @@ -49,15 +50,14 @@ template<int size, bool big_endian> class Sized_relobj_file; class Relocatable_relocs; template<int size, bool big_endian> -class Relocate_info; +struct Relocate_info; class Reloc_symbol_changes; class Symbol; template<int size> class Sized_symbol; class Symbol_table; class Output_data; -template<int size, bool big_endian> -class Output_data_got; +class Output_data_got_base; class Output_section; class Input_objects; class Task; @@ -143,6 +143,16 @@ class Target this->abi_pagesize()); } + // Return whether PF_X segments must contain nothing but the contents of + // SHF_EXECINSTR sections (no non-executable data, no headers). + bool + isolate_execinstr() const + { return this->pti_->isolate_execinstr; } + + uint64_t + rosegment_gap() const + { return this->pti_->rosegment_gap; } + // If we see some object files with .note.GNU-stack sections, and // some objects files without them, this returns whether we should // consider the object files without them to imply that the stack @@ -345,7 +355,7 @@ class Target return pass < 2; return this->do_relax(pass, input_objects, symtab, layout, task); - } + } // Return the target-specific name of attributes section. This is // NULL if a target does not use attributes section or if it uses @@ -365,7 +375,7 @@ class Target { return ((this->pti_->attributes_section != NULL && strcmp(name, this->pti_->attributes_section) == 0) - || strcmp(name, ".gnu.attributes") == 0); + || strcmp(name, ".gnu.attributes") == 0); } // Return a bit mask of argument types for attribute with TAG. @@ -384,7 +394,7 @@ class Target // which may be used for expensive, target-specific initialization. void select_as_default_target() - { this->do_select_as_default_target(); } + { this->do_select_as_default_target(); } // Return the value to store in the EI_OSABI field in the ELF // header. @@ -436,6 +446,11 @@ class Target uint64_t abi_pagesize; // The common page size used by actual implementations. uint64_t common_pagesize; + // Whether PF_X segments must contain nothing but the contents of + // SHF_EXECINSTR sections (no non-executable data, no headers). + bool isolate_execinstr; + // If nonzero, distance from the text segment to the read-only segment. + uint64_t rosegment_gap; // The special section index for small common symbols; SHN_UNDEF // if none. elfcpp::Elf_Half small_common_shndx; @@ -563,7 +578,7 @@ class Target this->processor_specific_flags_ = flags; this->are_processor_specific_flags_set_ = true; } - + #ifdef HAVE_TARGET_32_LITTLE // Virtual functions which may be overridden by the child class. virtual Object* @@ -620,7 +635,7 @@ class Target section_offset_type offset, size_t len) const; // This must be overridden by the child class if it has target-specific - // attributes subsection in the attribute section. + // attributes subsection in the attribute section. virtual int do_attribute_arg_type(int) const { gold_unreachable(); } @@ -789,7 +804,7 @@ class Sized_target : public Target section_size_type view_size, unsigned char* reloc_view, section_size_type reloc_view_size) = 0; - + // Perform target-specific processing in a relocatable link. This is // only used if we use the relocation strategy RELOC_SPECIAL. // RELINFO points to a Relocation_info structure. SH_TYPE is the relocation @@ -819,7 +834,7 @@ class Sized_target : public Target section_size_type /* view_size */, unsigned char* /* preloc_out*/) { gold_unreachable(); } - + // Return the number of entries in the GOT. This is only used for // laying out the incremental link info sections. A target needs // to implement this to support incremental linking. @@ -855,7 +870,7 @@ class Sized_target : public Target // Create the GOT and PLT sections for an incremental update. // A target needs to implement this to support incremental linking. - virtual Output_data_got<size, big_endian>* + virtual Output_data_got_base* init_got_plt_for_update(Symbol_table*, Layout*, unsigned int /* got_count */, |