binutils-gdb/ld/pep-dll.h

65 lines
2.6 KiB
C
Raw Normal View History

2006-09-20 13:35:11 +02:00
/* pep-dll.h: Header file for routines used to build Windows DLLs.
Copyright (C) 2006-2020 Free Software Foundation, Inc.
2007-07-06 16:09:45 +02:00
Written by Kai Tietz, OneVision Software GmbH&CoKg.
2006-09-20 13:35:11 +02:00
2007-07-06 16:09:45 +02:00
This file is part of the GNU Binutils.
2006-09-20 13:35:11 +02:00
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
2007-07-06 16:09:45 +02:00
the Free Software Foundation; either version 3 of the License, or
2006-09-20 13:35:11 +02:00
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
2007-07-06 16:09:45 +02:00
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
2006-09-20 13:35:11 +02:00
#ifndef PEP_DLL_H
#define PEP_DLL_H
#include "sysdep.h"
#include "bfd.h"
2006-09-20 13:35:11 +02:00
#include "bfdlink.h"
#include "deffile.h"
extern def_file * pep_def_file;
extern int pep_dll_export_everything;
extern int pep_dll_exclude_all_symbols;
2006-09-20 13:35:11 +02:00
extern int pep_dll_do_default_excludes;
extern int pep_dll_kill_ats;
extern int pep_dll_stdcall_aliases;
extern int pep_dll_warn_dup_exports;
extern int pep_dll_compat_implib;
extern int pep_dll_extra_pe_debug;
extern int pep_use_nul_prefixed_import_tables;
bfd/ChangeLog * coff-alpha.c (alpha_ecoff_backend_data): Initialise fields which control long section name handling with ECOFF_NO_LONG_SECTION_NAMES. * coff-mips.c (mips_ecoff_backend_data): Likewise. * coff-rs6000.c (bfd_xcoff_backend_data): Initialise fields which control long section name handling with XCOFF_NO_LONG_SECTION_NAMES. (bfd_pmac_xcoff_backend_data): Likewise. * coff64-rs6000.c (bfd_xcoff_backend_data): Likewise. (bfd_xcoff_aix5_backend_data): Likewise. (xcoff64_write_object_contents): Delete unused long_section_names local variable. * coff-sh.c (bfd_coff_small_swap_table): Initialise long section name members using COFF_DEFAULT_LONG_SECTION_NAMES and make entire struct non-const. * coffcode.h (documentation): Update to describe long section names. (COFFLONGSECTIONCATHELPER): New helper macro. (BLANKOR1TOODD): Likewise. (COFF_ENABLE_LONG_SECTION_NAMES): Likewise. (COFF_LONG_SECTION_NAMES_SETTER): Likewise. (COFF_DEFAULT_LONG_SECTION_NAMES): Likewise. (bfd_coff_set_long_section_names_allowed): New function. (bfd_coff_set_long_section_names_disallowed): Likewise. (struct bfd_coff_backend_data): Add new backend hook function pointer _bfd_coff_set_long_section_names. (bfd_coff_set_long_section_names): New backend hook. (coff_write_object_contents): Only generate long section names if bfd_coff_long_section_names() indicates they are currently enabled. (bfd_coff_std_swap_table): Make non-const, and initialise long section name fields using COFF_DEFAULT_LONG_SECTION_NAMES. (ticoff0_swap_table): Likewise to both. (ticoff1_swap_table): Again, likewise to both. * coffgen.c (make_a_section_from_file): Allow long section names as inputs even if not currently allowed for outputs. * ecoff.c (_bfd_ecoff_no_long_sections): New function. * efi-app-ia32.c (COFF_LONG_SECTION_NAMES): Define to 0, not blank. * efi-app-ia64.c (COFF_LONG_SECTION_NAMES): Likewise. * efi-app-x86_64.c (COFF_LONG_SECTION_NAMES): Likewise. * efi-bsdrv-ia32.c (COFF_LONG_SECTION_NAMES): Likewise. * efi-bsdrv-ia64.c (COFF_LONG_SECTION_NAMES): Likewise. * efi-bsdrv-x86_64.c (COFF_LONG_SECTION_NAMES): Likewise. * efi-rtdrv-ia32.c (COFF_LONG_SECTION_NAMES): Likewise. * efi-rtdrv-ia64.c (COFF_LONG_SECTION_NAMES): Likewise. * efi-rtdrv-x86_64.c (COFF_LONG_SECTION_NAMES): Likewise. * pei-arm.c (COFF_LONG_SECTION_NAMES): Likewise. * pei-i386.c (COFF_LONG_SECTION_NAMES): Likewise. * pei-mcore.c (COFF_LONG_SECTION_NAMES): Likewise. * pei-mips.c (COFF_LONG_SECTION_NAMES): Likewise. * pei-ppc.c (COFF_LONG_SECTION_NAMES): Likewise. * pei-sh.c (COFF_LONG_SECTION_NAMES): Likewise. * pei-x86_64.c (COFF_LONG_SECTION_NAMES): Likewise. * libcoff-in.h: Update copyright year to cause updated copyright year in generated libcoff.h, and fix typo. * libcoff.h: Regenerated. * libecoff.h (ECOFF_NO_LONG_SECTION_NAMES): New macro. (_bfd_ecoff_no_long_sections): Add prototype. * libxcoff.h (XCOFF_NO_LONG_SECTION_NAMES): New macro. * pe-mips.c (COFF_LONG_SECTION_NAMES): Define empty if not already defined by an including .c file. * ticoff.h (ticoff0_swap_table): Make non-const, and initialise long section name fields using COFF_DEFAULT_LONG_SECTION_NAMES. (ticoff1_swap_table): Likewise to both. ld/ChangeLog * ld.texinfo: Update to mention long section name options. * NEWS: Mention new behaviour and command-line options. * pe-dll.c (pe_use_coff_long_section_names): New global variable. (pe_output_file_set_long_section_names): New function. (pe_dll_build_sections): Call it on output BFDs. (pe_exe_build_sections): Likewise. (pe_dll_fill_sections): Likewise. (pe_exe_fill_sections): Likewise. * pe-dll.h (pe_use_coff_long_section_names): Declare extern. (pe_output_file_set_long_section_names): Add prototype. * pep-dll.c (pe_use_coff_long_section_names): Define pep_ alias. (pe_output_file_set_long_section_names): Likewise. * pep-dll.h (pep_use_coff_long_section_names): Declare extern. (pep_output_file_set_long_section_names): Add prototype. * pe.em (OPTION_ENABLE_LONG_SECTION_NAMES): New getopt value macro. (OPTION_DISABLE_LONG_SECTION_NAMES): Likewise. (gld${EMULATION_NAME}_add_options): Add new options to xtra_long[]. (gld_${EMULATION_NAME}_list_options): Describe them. (gld${EMULATION_NAME}_handle_option): Set or clear global pe_use_coff_long_section_names flag when options recognised. (gld_${EMULATION_NAME}_after_open): En/disable long section names for main output bfd by calling pe_output_file_set_long_section_names. * pep.em (enum options): Extend enum with new getopt option values. (gld${EMULATION_NAME}_add_options): Add new options to xtra_long[]. (gld_${EMULATION_NAME}_list_options): Describe them. (gld${EMULATION_NAME}_handle_option): Set or clear global pe_use_coff_long_section_names flag when options recognised. (gld_${EMULATION_NAME}_after_open): En/disable long section names for main output bfd by calling pep_output_file_set_long_section_names. ld/testsuite/ChangeLog * ld-pe/longsecn-1.d: New test file. * ld-pe/longsecn-2.d: Likewise. * ld-pe/longsecn-3.d: Likewise. * ld-pe/longsecn-4.d: Likewise. * ld-pe/longsecn-5.d: Likewise. * ld-pe/longsecn.d: Likewise. * ld-pe/longsecn.exp: New test control script. * ld-pe/longsecn.s: New test source file.
2009-02-18 19:23:08 +01:00
extern int pep_use_coff_long_section_names;
2010-04-05 Kai Tietz <kai.tietz@onevision.com> * emultempl/pep.em (U): Macro modified. (U_SIZE): New helper macro. (GET_INIT_SYMBOL_NAME): Likewise. (enum options): Add OPTION_NO_LEADING_UNDERSCORE and OPTION_LEADING_UNDERSCORE enumerator-values. (gld${EMULATION_NAME}_add_options): Add --(no-)leading-underscore option. (definfo): Add new member is_c_symbol. (D): Add to macro underscore mode parameter. (init): Add definition for is_c_symbol. (gld_${EMULATION_NAME}_list_options): Display new options. (set_pep_name): Adjust underscoring dependent fixed symbol handling. (gld_${EMULATION_NAME}_set_symbols): Likewise. (saw_option): Likewise. (gld_${EMULATION_NAME}_unrecognized_file): Likewise. (set_entry_point): Initial initial_symbol_char dependent to target's default and new option flag pep_leading_underscore. * emultempl/pe.em (U): Macro modified. (U_SIZE): New helper macro. (GET_INIT_SYMBOL_NAME): Likewise. (OPTION_LEADING_UNDERSCORE): Add new option define. (OPTION_NO_LEADING_UNDERSCORE): Likewise. (gld${EMULATION_NAME}_add_options): Add --(no-)leading-underscore option. (definfo): Add new member is_c_symbol. (D): Add to macro underscore mode parameter. (init): Add definition for is_c_symbol. (gld_${EMULATION_NAME}_list_options): Display new options. (set_pep_name): Adjust underscoring dependent fixed symbol handling. (gld_${EMULATION_NAME}_set_symbols): Likewise. (saw_option): Likewise. (gld_${EMULATION_NAME}_unrecognized_file): Likewise. (set_entry_point): Initial initial_symbol_char dependent to target's default and new option flag pep_leading_underscore. * pe-dll.c (pe_leading_underscore): New flag variable. (pe_detail_list): Remove const to allow modify of member underscore. (pe_dll_id_target): Initialize pe_details' underscore variable dependent to target's default and flag pe_leading_underscore. * pe-dll.h (pe_leading_underscore): Add extern declaration of option flag. * pep-dll.c (pe_leading_underscore): Add alias define for pep_leading_underscore. * pep-dll.h (pep_leading_underscore) Add extern declaration of option flag. * ld.texinfo: Add documentation for --(no-)leading-underscore option.
2010-04-05 11:04:09 +02:00
extern int pep_leading_underscore;
extern int pep_dll_enable_reloc_section;
2006-09-20 13:35:11 +02:00
* NEWS: Mention new feature --exclude-modules-for-implib. * ld.texinfo: Document new --exclude-modules-for-implib option. * pe-dll.c (exclude_list_struct): Change type member from int to new enumeration exclude_type. (pe_dll_add_excludes): Accept exclude_type instead of int param. (auto_export): Replace magic constants by exclude_type values and handle new choice EXCLUDEFORIMPLIB. (pe_dll_generate_implib): Accept a pointer to the link_info and iterate all input BFDs looking for EXCLUDEFORIMPLIB modules; re-open fresh BFDs for any found and link into import lib archive chain. * pe-dll.h (exclude_type): Add new enumerated type to replace magic constants previously used for exclude_list_struct type member. (pe_dll_add_excludes, pe_dll_generate_implib): Update prototypes. * pep-dll.h (exclude_type, pe_dll_add_excludes, pe_dll_generate_implib): Likewise to all the above. * emultempl/pe.em (OPTION_EXCLUDE_MODULES_FOR_IMPLIB): Define new getopts long option code for new --exclude-modules-for-implib option. (gld${EMULATION_NAME}_add_options): Add new entry to xtra_long[]. (gld_${EMULATION_NAME}_list_options): List usage for it. (gld${EMULATION_NAME}_handle_option): Use exclude_type enumerated values when calling pe_dll_add_excludes, and handle EXCLUDEFORIMPLIB. (gld_${EMULATION_NAME}_finish): Pass pointer to link_info when calling pe_dll_generate_implib. * emultempl/pep.em (options): Define new enumerated value for getopts long option code for new --exclude-modules-for-implib option. (gld${EMULATION_NAME}_add_options, gld_${EMULATION_NAME}_list_options, gld${EMULATION_NAME}_handle_option, gld_${EMULATION_NAME}_finish): Again, likewise to all the above.
2009-01-03 19:04:16 +01:00
typedef enum { EXCLUDESYMS, EXCLUDELIBS, EXCLUDEFORIMPLIB } exclude_type;
2006-09-20 13:35:11 +02:00
extern void pep_dll_id_target (const char *);
* NEWS: Mention new feature --exclude-modules-for-implib. * ld.texinfo: Document new --exclude-modules-for-implib option. * pe-dll.c (exclude_list_struct): Change type member from int to new enumeration exclude_type. (pe_dll_add_excludes): Accept exclude_type instead of int param. (auto_export): Replace magic constants by exclude_type values and handle new choice EXCLUDEFORIMPLIB. (pe_dll_generate_implib): Accept a pointer to the link_info and iterate all input BFDs looking for EXCLUDEFORIMPLIB modules; re-open fresh BFDs for any found and link into import lib archive chain. * pe-dll.h (exclude_type): Add new enumerated type to replace magic constants previously used for exclude_list_struct type member. (pe_dll_add_excludes, pe_dll_generate_implib): Update prototypes. * pep-dll.h (exclude_type, pe_dll_add_excludes, pe_dll_generate_implib): Likewise to all the above. * emultempl/pe.em (OPTION_EXCLUDE_MODULES_FOR_IMPLIB): Define new getopts long option code for new --exclude-modules-for-implib option. (gld${EMULATION_NAME}_add_options): Add new entry to xtra_long[]. (gld_${EMULATION_NAME}_list_options): List usage for it. (gld${EMULATION_NAME}_handle_option): Use exclude_type enumerated values when calling pe_dll_add_excludes, and handle EXCLUDEFORIMPLIB. (gld_${EMULATION_NAME}_finish): Pass pointer to link_info when calling pe_dll_generate_implib. * emultempl/pep.em (options): Define new enumerated value for getopts long option code for new --exclude-modules-for-implib option. (gld${EMULATION_NAME}_add_options, gld_${EMULATION_NAME}_list_options, gld${EMULATION_NAME}_handle_option, gld_${EMULATION_NAME}_finish): Again, likewise to all the above.
2009-01-03 19:04:16 +01:00
extern void pep_dll_add_excludes (const char *, const exclude_type);
2006-09-20 13:35:11 +02:00
extern void pep_dll_generate_def_file (const char *);
* NEWS: Mention new feature --exclude-modules-for-implib. * ld.texinfo: Document new --exclude-modules-for-implib option. * pe-dll.c (exclude_list_struct): Change type member from int to new enumeration exclude_type. (pe_dll_add_excludes): Accept exclude_type instead of int param. (auto_export): Replace magic constants by exclude_type values and handle new choice EXCLUDEFORIMPLIB. (pe_dll_generate_implib): Accept a pointer to the link_info and iterate all input BFDs looking for EXCLUDEFORIMPLIB modules; re-open fresh BFDs for any found and link into import lib archive chain. * pe-dll.h (exclude_type): Add new enumerated type to replace magic constants previously used for exclude_list_struct type member. (pe_dll_add_excludes, pe_dll_generate_implib): Update prototypes. * pep-dll.h (exclude_type, pe_dll_add_excludes, pe_dll_generate_implib): Likewise to all the above. * emultempl/pe.em (OPTION_EXCLUDE_MODULES_FOR_IMPLIB): Define new getopts long option code for new --exclude-modules-for-implib option. (gld${EMULATION_NAME}_add_options): Add new entry to xtra_long[]. (gld_${EMULATION_NAME}_list_options): List usage for it. (gld${EMULATION_NAME}_handle_option): Use exclude_type enumerated values when calling pe_dll_add_excludes, and handle EXCLUDEFORIMPLIB. (gld_${EMULATION_NAME}_finish): Pass pointer to link_info when calling pe_dll_generate_implib. * emultempl/pep.em (options): Define new enumerated value for getopts long option code for new --exclude-modules-for-implib option. (gld${EMULATION_NAME}_add_options, gld_${EMULATION_NAME}_list_options, gld${EMULATION_NAME}_handle_option, gld_${EMULATION_NAME}_finish): Again, likewise to all the above.
2009-01-03 19:04:16 +01:00
extern void pep_dll_generate_implib (def_file *, const char *, struct bfd_link_info *);
2006-09-20 13:35:11 +02:00
extern void pep_process_import_defs (bfd *, struct bfd_link_info *);
extern bfd_boolean pep_implied_import_dll (const char *);
extern void pep_dll_build_sections (bfd *, struct bfd_link_info *);
extern void pep_exe_build_sections (bfd *, struct bfd_link_info *);
extern void pep_dll_fill_sections (bfd *, struct bfd_link_info *);
extern void pep_exe_fill_sections (bfd *, struct bfd_link_info *);
Speed up direct linking with DLLs on Windows (1/2). This patch deals with the auto-import feature. There are 2 versions of this feature: the original one, which was piggybacked on the OS loader with an optional help from the runtime (--enable-auto-import --enable-runtime-pseudo-reloc-v1) and is still the one mostly documented in the sources and manual; the enhanced one by Kai Tietz, which is entirely piggybacked on the runtime (--enable-auto-import --enable-runtime-pseudo-reloc-v2) and is the default for Mingw and Cygwin nowadays. The implementation is inefficient because of pe[p]_find_data_imports: for every undefined symbol, the function walks the entire set of relocations for all the input files and does a direct name comparison for each of them. This is easily fixable by using a hash-based map for v1 and a simple hash table for v2. This patch leaves v1 alone and only changes v2. It also factors out pe[p]_find_data_imports into a common function, removes old cruft left and right, and attempts to better separate the implementations of v1 and v2 in the code. ld/ * emultempl/pe.em (U_SIZE): Delete. (pe_data_import_dll): Likewise. (make_import_fixup): Return void, take 4th parameter and pass it down in call to pe_create_import_fixup. (pe_find_data_imports): Move to... (gld_${EMULATION_NAME}_after_open): Run the stdcall fixup pass after the auto-import pass and add a guard before running the latter. * emultempl/pep.em (U_SIZE): Delete. (pep_data_import_dll): Likewise. (make_import_fixup): Return void, take 4th parameter and pass it down in call to pe_create_import_fixup. (pep_find_data_imports): Move to... (gld_${EMULATION_NAME}_after_open): Run the stdcall fixup pass after the auto-import pass and add a guard before running the latter. * pe-dll.c (runtime_pseudp_reloc_v2_init): Change type to bfd_boolean. (pe_walk_relocs_of_symbol): Rename into... (pe_walk_relocs): ...this. Add 2 more parameters,4th parameter to the callback prototype and pass 4th parameter in calls to the callback. If the import hash table is present, invoke the callback on the reloc if the symbol name is in the table. (pe_find_data_imports): ...here. Take 2 parameters. Build an import hash table for the pseudo-relocation support version 2. When it is built, walk the relocations only once at the end; when it is not, do not build a fixup when the symbol isn't part of an import table. Issue the associated warning only after a first fixup is built. (tmp_seq2): Delete. (make_singleton_name_imp): Likewise. (make_import_fixup_mark): Return const char * and a stable string. (make_import_fixup_entry): Do not deal with the pseudo-relocation support version 2. (make_runtime_pseudo_reloc): Factor out code and fix formatting. (pe_create_import_fixup): Add 5th parameter. Clearly separate the pseudo-relocation support version 2 from the rest. Fix formatting. * pe-dll.h (pe_walk_relocs_of_symbol): Delete. (pe_find_data_imports): Declare. (pe_create_import_fixup): Add 5th parameter. * pep-dll.c (pe_data_import_dll): Delete. (pe_find_data_imports): Define. (pe_walk_relocs_of_symbol): Delete. * pep-dll.h (pep_walk_relocs_of_symbol): Delete. (pep_find_data_imports): Declare. (pep_create_import_fixup): Add 5th parameter. * ld.texinfo (--enable-auto-import): Adjust to new implementation.
2018-04-04 12:07:50 +02:00
extern void pep_find_data_imports (const char *,
void (*cb) (arelent *, asection *, char *,
const char *));
extern void pep_create_import_fixup (arelent * rel, asection *, bfd_vma,
Speed up direct linking with DLLs on Windows (1/2). This patch deals with the auto-import feature. There are 2 versions of this feature: the original one, which was piggybacked on the OS loader with an optional help from the runtime (--enable-auto-import --enable-runtime-pseudo-reloc-v1) and is still the one mostly documented in the sources and manual; the enhanced one by Kai Tietz, which is entirely piggybacked on the runtime (--enable-auto-import --enable-runtime-pseudo-reloc-v2) and is the default for Mingw and Cygwin nowadays. The implementation is inefficient because of pe[p]_find_data_imports: for every undefined symbol, the function walks the entire set of relocations for all the input files and does a direct name comparison for each of them. This is easily fixable by using a hash-based map for v1 and a simple hash table for v2. This patch leaves v1 alone and only changes v2. It also factors out pe[p]_find_data_imports into a common function, removes old cruft left and right, and attempts to better separate the implementations of v1 and v2 in the code. ld/ * emultempl/pe.em (U_SIZE): Delete. (pe_data_import_dll): Likewise. (make_import_fixup): Return void, take 4th parameter and pass it down in call to pe_create_import_fixup. (pe_find_data_imports): Move to... (gld_${EMULATION_NAME}_after_open): Run the stdcall fixup pass after the auto-import pass and add a guard before running the latter. * emultempl/pep.em (U_SIZE): Delete. (pep_data_import_dll): Likewise. (make_import_fixup): Return void, take 4th parameter and pass it down in call to pe_create_import_fixup. (pep_find_data_imports): Move to... (gld_${EMULATION_NAME}_after_open): Run the stdcall fixup pass after the auto-import pass and add a guard before running the latter. * pe-dll.c (runtime_pseudp_reloc_v2_init): Change type to bfd_boolean. (pe_walk_relocs_of_symbol): Rename into... (pe_walk_relocs): ...this. Add 2 more parameters,4th parameter to the callback prototype and pass 4th parameter in calls to the callback. If the import hash table is present, invoke the callback on the reloc if the symbol name is in the table. (pe_find_data_imports): ...here. Take 2 parameters. Build an import hash table for the pseudo-relocation support version 2. When it is built, walk the relocations only once at the end; when it is not, do not build a fixup when the symbol isn't part of an import table. Issue the associated warning only after a first fixup is built. (tmp_seq2): Delete. (make_singleton_name_imp): Likewise. (make_import_fixup_mark): Return const char * and a stable string. (make_import_fixup_entry): Do not deal with the pseudo-relocation support version 2. (make_runtime_pseudo_reloc): Factor out code and fix formatting. (pe_create_import_fixup): Add 5th parameter. Clearly separate the pseudo-relocation support version 2 from the rest. Fix formatting. * pe-dll.h (pe_walk_relocs_of_symbol): Delete. (pe_find_data_imports): Declare. (pe_create_import_fixup): Add 5th parameter. * pep-dll.c (pe_data_import_dll): Delete. (pe_find_data_imports): Define. (pe_walk_relocs_of_symbol): Delete. * pep-dll.h (pep_walk_relocs_of_symbol): Delete. (pep_find_data_imports): Declare. (pep_create_import_fixup): Add 5th parameter. * ld.texinfo (--enable-auto-import): Adjust to new implementation.
2018-04-04 12:07:50 +02:00
char *, const char *);
extern bfd_boolean pep_bfd_is_dll (bfd *);
extern void pep_output_file_set_long_section_names (bfd *);
2006-09-20 13:35:11 +02:00
#endif /* PEP_DLL_H */