| 1,7 → 1,5 |
|---|
| /* bfdlink.h -- header file for BFD link routines |
| Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, |
| 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
| Free Software Foundation, Inc. |
| Copyright (C) 1993-2015 Free Software Foundation, Inc. |
| Written by Steve Chamberlain and Ian Lance Taylor, Cygnus Support. |
| |
| This file is part of BFD, the Binary File Descriptor library. |
| 93,8 → 91,14 |
|---|
| /* Type of this entry. */ |
| ENUM_BITFIELD (bfd_link_hash_type) type : 8; |
| |
| /* Symbol is referenced in a normal object file, as distict from a LTO |
| IR object file. */ |
| unsigned int non_ir_ref : 1; |
| |
| /* Symbol is a built-in define. These will be overridden by PROVIDE |
| in a linker script. */ |
| unsigned int linker_def : 1; |
| |
| /* A union of information depending upon the type. */ |
| union |
| { |
| 169,6 → 173,8 |
|---|
| struct bfd_link_hash_entry *undefs; |
| /* Entries are added to the tail of the undefs list. */ |
| struct bfd_link_hash_entry *undefs_tail; |
| /* Function to free the hash table on closing BFD. */ |
| void (*hash_table_free) (bfd *); |
| /* The type of the link hash table. */ |
| enum bfd_link_hash_table_type type; |
| }; |
| 188,6 → 194,12 |
|---|
| (bfd *, struct bfd_link_info *, const char *, bfd_boolean, |
| bfd_boolean, bfd_boolean); |
| |
| /* If H is a wrapped symbol, ie. the symbol name starts with "__wrap_" |
| and the remainder is found in wrap_hash, return the real symbol. */ |
| |
| extern struct bfd_link_hash_entry *unwrap_hash_lookup |
| (struct bfd_link_info *, bfd *, struct bfd_link_hash_entry *); |
| |
| /* Traverse a link hash table. */ |
| extern void bfd_link_hash_traverse |
| (struct bfd_link_hash_table *, |
| 247,23 → 259,31 |
|---|
| struct bfd_elf_dynamic_list; |
| struct bfd_elf_version_tree; |
| |
| /* Types of output. */ |
| |
| enum output_type |
| { |
| type_pde, |
| type_pie, |
| type_relocatable, |
| type_dll, |
| }; |
| |
| #define bfd_link_pde(info) ((info)->type == type_pde) |
| #define bfd_link_dll(info) ((info)->type == type_dll) |
| #define bfd_link_relocatable(info) ((info)->type == type_relocatable) |
| #define bfd_link_pie(info) ((info)->type == type_pie) |
| #define bfd_link_executable(info) (bfd_link_pde (info) || bfd_link_pie (info)) |
| #define bfd_link_pic(info) (bfd_link_dll (info) || bfd_link_pie (info)) |
| |
| /* This structure holds all the information needed to communicate |
| between BFD and the linker when doing a link. */ |
| |
| struct bfd_link_info |
| { |
| /* TRUE if BFD should generate a shared object (or a pie). */ |
| unsigned int shared: 1; |
| /* Output type. */ |
| ENUM_BITFIELD (output_type) type : 2; |
| |
| /* TRUE if generating an executable, position independent or not. */ |
| unsigned int executable : 1; |
| |
| /* TRUE if generating a position independent executable. */ |
| unsigned int pie: 1; |
| |
| /* TRUE if BFD should generate a relocatable object file. */ |
| unsigned int relocatable: 1; |
| |
| /* TRUE if BFD should pre-bind symbols in a shared object. */ |
| unsigned int symbolic: 1; |
| |
| 286,8 → 306,8 |
|---|
| callback. */ |
| unsigned int notice_all: 1; |
| |
| /* TRUE if we are loading LTO outputs. */ |
| unsigned int loading_lto_outputs: 1; |
| /* TRUE if the LTO plugin is active. */ |
| unsigned int lto_plugin_active: 1; |
| |
| /* TRUE if global symbols in discarded sections should be stripped. */ |
| unsigned int strip_discarded: 1; |
| 330,9 → 350,9 |
|---|
| /* TRUE if PT_GNU_RELRO segment should be created. */ |
| unsigned int relro: 1; |
| |
| /* TRUE if .eh_frame_hdr section and PT_GNU_EH_FRAME ELF segment |
| should be created. */ |
| unsigned int eh_frame_hdr: 1; |
| /* Nonzero if .eh_frame_hdr section and PT_GNU_EH_FRAME ELF segment |
| should be created. 1 for DWARF2 tables, 2 for compact tables. */ |
| unsigned int eh_frame_hdr_type: 2; |
| |
| /* TRUE if we should warn when adding a DT_TEXTREL to a shared object. */ |
| unsigned int warn_shared_textrel: 1; |
| 408,6 → 428,18 |
|---|
| /* TRUE if the linker script contained an explicit PHDRS command. */ |
| unsigned int user_phdrs: 1; |
| |
| /* TRUE if BND prefix in PLT entries is always generated. */ |
| unsigned int bndplt: 1; |
| |
| /* TRUE if generation of .interp/PT_INTERP should be suppressed. */ |
| unsigned int nointerp: 1; |
| |
| /* TRUE if generate a 1-byte NOP as suffix for x86 call instruction. */ |
| unsigned int call_nop_as_suffix : 1; |
| |
| /* The 1-byte NOP for x86 call instruction. */ |
| char call_nop_byte; |
| |
| /* Char that may appear as the first char of a symbol, but should be |
| skipped (like symbol_leading_char) when looking up symbols in |
| wrap_hash. Used by PowerPC Linux for 'dot' symbols. */ |
| 416,6 → 448,9 |
|---|
| /* Separator between archive and filename in linker script filespecs. */ |
| char path_separator; |
| |
| /* Compress DWARF debug sections. */ |
| enum compressed_debug_section_type compress_debug; |
| |
| /* Default stack size. Zero means default (often zero itself), -1 |
| means explicitly zero-sized. */ |
| bfd_signed_vma stacksize; |
| 465,7 → 500,7 |
|---|
| bfd *output_bfd; |
| |
| /* The list of input BFD's involved in the link. These are chained |
| together via the link_next field. */ |
| together via the link.next field. */ |
| bfd *input_bfds; |
| bfd **input_bfds_tail; |
| |
| 502,6 → 537,11 |
|---|
| relaxation returning true in *AGAIN. */ |
| int relax_trip; |
| |
| /* > 0 to treat protected data defined in the shared library as |
| reference external. 0 to treat it as internal. -1 to let |
| backend to decide. */ |
| int extern_protected_data; |
| |
| /* Non-zero if auto-import thunks for DATA items in pei386 DLLs |
| should be generated/linked against. Set to 1 if this feature |
| is explicitly requested by the user, -1 if enabled by default. */ |
| 631,15 → 671,14 |
|---|
| (struct bfd_link_info *, const char *name, |
| bfd *abfd, asection *section, bfd_vma address); |
| /* A function which is called when a symbol in notice_hash is |
| defined or referenced. H is the symbol. ABFD, SECTION and |
| ADDRESS are the (new) value of the symbol. If SECTION is |
| bfd_und_section, this is a reference. FLAGS are the symbol |
| BSF_* flags. STRING is the name of the symbol to indirect to if |
| the sym is indirect, or the warning string if a warning sym. */ |
| defined or referenced. H is the symbol, INH the indirect symbol |
| if applicable. ABFD, SECTION and ADDRESS are the (new) value of |
| the symbol. If SECTION is bfd_und_section, this is a reference. |
| FLAGS are the symbol BSF_* flags. */ |
| bfd_boolean (*notice) |
| (struct bfd_link_info *, struct bfd_link_hash_entry *h, |
| bfd *abfd, asection *section, bfd_vma address, flagword flags, |
| const char *string); |
| struct bfd_link_hash_entry *inh, |
| bfd *abfd, asection *section, bfd_vma address, flagword flags); |
| /* Error or warning link info message. */ |
| void (*einfo) |
| (const char *fmt, ...); |