mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-15 04:31:49 +08:00
f38a2680c2
* sysdep.h (POISON_BFD_BOOLEAN): Define. * configure.ac (elf_list_options, elf_shlib_list_options=false), (elf_plt_unwind_list_options=false): Replace FALSE with false, and TRUE with true. * emulparams/call_nop.sh, * emulparams/cet.sh, * emulparams/dynamic_undefined_weak.sh, * emulparams/elf32b4300.sh, * emulparams/elf32lm32.sh, * emulparams/elf32lr5900.sh, * emulparams/elf32lr5900n32.sh, * emulparams/elf32visium.sh, * emulparams/elf_x86_64.sh, * emulparams/extern_protected_data.sh, * emulparams/plt_unwind.sh, * emulparams/reloc_overflow.sh, * emulparams/static.sh, * emulparams/x86-64-lam.sh, * emultempl/aarch64elf.em, * emultempl/aix.em, * emultempl/alphaelf.em, * emultempl/armcoff.em, * emultempl/armelf.em, * emultempl/avrelf.em, * emultempl/beos.em, * emultempl/bfin.em, * emultempl/cr16elf.em, * emultempl/crxelf.em, * emultempl/cskyelf.em, * emultempl/elf.em, * emultempl/genelf.em, * emultempl/hppaelf.em, * emultempl/linux.em, * emultempl/m68hc1xelf.em, * emultempl/metagelf.em, * emultempl/mipself.em, * emultempl/mmix-elfnmmo.em, * emultempl/mmixelf.em, * emultempl/mmo.em, * emultempl/msp430.em, * emultempl/nios2elf.em, * emultempl/pdp11.em, * emultempl/pe.em, * emultempl/pep.em, * emultempl/ppc32elf.em, * emultempl/ppc64elf.em, * emultempl/rxelf.em, * emultempl/rxlinux.em, * emultempl/scoreelf.em, * emultempl/solaris2.em, * emultempl/spuelf.em, * emultempl/ticoff.em, * emultempl/v850elf.em, * emultempl/vms.em, * emultempl/xtensaelf.em, * emultempl/z80.em, * ld.h, * ldbuildid.c, * ldbuildid.h, * ldcref.c, * ldctor.c, * ldctor.h, * ldelf.c, * ldelf.h, * ldelfgen.c, * ldelfgen.h, * ldemul.c, * ldemul.h, * ldexp.c, * ldexp.h, * ldfile.c, * ldfile.h, * ldgram.y, * ldlang.c, * ldlang.h, * ldmain.c, * ldmain.h, * ldmisc.c, * ldmisc.h, * ldwrite.c, * lexsup.c, * mri.c, * pe-dll.c, * pe-dll.h, * pep-dll.h, * plugin.c, * plugin.h, * testplug.c, * testplug2.c, * testplug3.c, * testplug4.c: Replace bfd_boolean with bool, FALSE with false, and TRUE with true. * configure: Regenerate.
268 lines
9.1 KiB
C
268 lines
9.1 KiB
C
/* ld-emul.h - Linker emulation header file
|
|
Copyright (C) 1991-2021 Free Software Foundation, Inc.
|
|
|
|
This file is part of the GNU Binutils.
|
|
|
|
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
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(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
|
|
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
|
|
MA 02110-1301, USA. */
|
|
|
|
#ifndef LDEMUL_H
|
|
#define LDEMUL_H
|
|
|
|
/* Forward declaration for ldemul_add_options() and others. */
|
|
struct option;
|
|
|
|
extern void ldemul_hll
|
|
(char *);
|
|
extern void ldemul_syslib
|
|
(char *);
|
|
extern void ldemul_after_parse
|
|
(void);
|
|
extern void ldemul_before_parse
|
|
(void);
|
|
extern void ldemul_after_open
|
|
(void);
|
|
extern void ldemul_after_check_relocs
|
|
(void);
|
|
extern void ldemul_before_place_orphans
|
|
(void);
|
|
extern void ldemul_after_allocation
|
|
(void);
|
|
extern void ldemul_before_allocation
|
|
(void);
|
|
extern void ldemul_set_output_arch
|
|
(void);
|
|
extern char *ldemul_choose_target
|
|
(int, char**);
|
|
extern void ldemul_choose_mode
|
|
(char *);
|
|
extern void ldemul_list_emulations
|
|
(FILE *);
|
|
extern void ldemul_list_emulation_options
|
|
(FILE *);
|
|
extern char *ldemul_get_script
|
|
(int *isfile);
|
|
extern void ldemul_finish
|
|
(void);
|
|
extern void ldemul_set_symbols
|
|
(void);
|
|
extern void ldemul_create_output_section_statements
|
|
(void);
|
|
extern lang_output_section_statement_type *ldemul_place_orphan
|
|
(asection *, const char *, int);
|
|
extern bool ldemul_parse_args
|
|
(int, char **);
|
|
extern void ldemul_add_options
|
|
(int, char **, int, struct option **, int, struct option **);
|
|
extern bool ldemul_handle_option
|
|
(int);
|
|
extern bool ldemul_unrecognized_file
|
|
(struct lang_input_statement_struct *);
|
|
extern bool ldemul_recognized_file
|
|
(struct lang_input_statement_struct *);
|
|
extern bool ldemul_open_dynamic_archive
|
|
(const char *, struct search_dirs *, struct lang_input_statement_struct *);
|
|
extern char *ldemul_default_target
|
|
(int, char**);
|
|
extern void after_parse_default
|
|
(void);
|
|
extern void after_open_default
|
|
(void);
|
|
extern void after_check_relocs_default
|
|
(void);
|
|
extern void before_place_orphans_default
|
|
(void);
|
|
extern void after_allocation_default
|
|
(void);
|
|
extern void before_allocation_default
|
|
(void);
|
|
extern void finish_default
|
|
(void);
|
|
extern void finish_default
|
|
(void);
|
|
extern void set_output_arch_default
|
|
(void);
|
|
extern void syslib_default
|
|
(char*);
|
|
extern void hll_default
|
|
(char*);
|
|
extern int ldemul_find_potential_libraries
|
|
(char *, struct lang_input_statement_struct *);
|
|
extern struct bfd_elf_version_expr *ldemul_new_vers_pattern
|
|
(struct bfd_elf_version_expr *);
|
|
extern void ldemul_extra_map_file_text
|
|
(bfd *, struct bfd_link_info *, FILE *);
|
|
/* Return 1 if we are emitting CTF early, and 0 if ldemul_examine_strtab_for_ctf
|
|
will be called by the target. */
|
|
extern int ldemul_emit_ctf_early
|
|
(void);
|
|
/* Called from per-target code to examine the strtab and symtab. */
|
|
extern void ldemul_acquire_strings_for_ctf
|
|
(struct ctf_dict *, struct elf_strtab_hash *);
|
|
extern void ldemul_new_dynsym_for_ctf
|
|
(struct ctf_dict *, int symidx, struct elf_internal_sym *);
|
|
|
|
extern bool ldemul_print_symbol
|
|
(struct bfd_link_hash_entry *hash_entry, void *ptr);
|
|
|
|
typedef struct ld_emulation_xfer_struct {
|
|
/* Run before parsing the command line and script file.
|
|
Set the architecture, maybe other things. */
|
|
void (*before_parse) (void);
|
|
|
|
/* Handle the SYSLIB (low level library) script command. */
|
|
void (*syslib) (char *);
|
|
|
|
/* Handle the HLL (high level library) script command. */
|
|
void (*hll) (char *);
|
|
|
|
/* Run after parsing the command line and script file. */
|
|
void (*after_parse) (void);
|
|
|
|
/* Run after opening all input files, and loading the symbols. */
|
|
void (*after_open) (void);
|
|
|
|
/* Run after checking relocations. */
|
|
void (*after_check_relocs) (void);
|
|
|
|
/* Run before placing orphans. */
|
|
void (*before_place_orphans) (void);
|
|
|
|
/* Run after allocating output sections. */
|
|
void (*after_allocation) (void);
|
|
|
|
/* Set the output architecture and machine if possible. */
|
|
void (*set_output_arch) (void);
|
|
|
|
/* Decide which target name to use. */
|
|
char * (*choose_target) (int, char**);
|
|
|
|
/* Run before allocating output sections. */
|
|
void (*before_allocation) (void);
|
|
|
|
/* Return the appropriate linker script. */
|
|
char * (*get_script) (int *isfile);
|
|
|
|
/* The name of this emulation. */
|
|
char *emulation_name;
|
|
|
|
/* The output format. */
|
|
char *target_name;
|
|
|
|
/* Run after assigning values from the script. */
|
|
void (*finish) (void);
|
|
|
|
/* Create any output sections needed by the target. */
|
|
void (*create_output_section_statements) (void);
|
|
|
|
/* Try to open a dynamic library. ARCH is an architecture name, and
|
|
is normally the empty string. ENTRY is the lang_input_statement
|
|
that should be opened. */
|
|
bool (*open_dynamic_archive)
|
|
(const char *arch, struct search_dirs *,
|
|
struct lang_input_statement_struct *entry);
|
|
|
|
/* Place an orphan section. Return TRUE if it was placed, FALSE if
|
|
the default action should be taken. This field may be NULL, in
|
|
which case the default action will always be taken. */
|
|
lang_output_section_statement_type *(*place_orphan)
|
|
(asection *, const char *, int);
|
|
|
|
/* Run after assigning parsing with the args, but before
|
|
reading the script. Used to initialize symbols used in the script. */
|
|
void (*set_symbols) (void);
|
|
|
|
/* Parse args which the base linker doesn't understand.
|
|
Return TRUE if the arg needs no further processing. */
|
|
bool (*parse_args) (int, char **);
|
|
|
|
/* Hook to add options to parameters passed by the base linker to
|
|
getopt_long and getopt_long_only calls. */
|
|
void (*add_options)
|
|
(int, char **, int, struct option **, int, struct option **);
|
|
|
|
/* Companion to the above to handle an option. Returns TRUE if it is
|
|
one of our options. */
|
|
bool (*handle_option) (int);
|
|
|
|
/* Run to handle files which are not recognized as object files or
|
|
archives. Return TRUE if the file was handled. */
|
|
bool (*unrecognized_file)
|
|
(struct lang_input_statement_struct *);
|
|
|
|
/* Run to list the command line options which parse_args handles. */
|
|
void (* list_options) (FILE *);
|
|
|
|
/* Run to specially handle files which *are* recognized as object
|
|
files or archives. Return TRUE if the file was handled. */
|
|
bool (*recognized_file)
|
|
(struct lang_input_statement_struct *);
|
|
|
|
/* Called when looking for libraries in a directory specified
|
|
via a linker command line option or linker script option.
|
|
Files that match the pattern "lib*.a" have already been scanned.
|
|
(For VMS files matching ":lib*.a" have also been scanned). */
|
|
int (* find_potential_libraries)
|
|
(char *, struct lang_input_statement_struct *);
|
|
|
|
/* Called when adding a new version pattern. PowerPC64-ELF uses
|
|
this hook to add a pattern matching ".foo" for every "foo". */
|
|
struct bfd_elf_version_expr * (*new_vers_pattern)
|
|
(struct bfd_elf_version_expr *);
|
|
|
|
/* Called when printing the map file, in case there are
|
|
emulation-specific sections for it. */
|
|
void (*extra_map_file_text)
|
|
(bfd *, struct bfd_link_info *, FILE *);
|
|
|
|
/* If this returns true, we emit CTF as early as possible: if false, we emit
|
|
CTF once the strtab and symtab are laid out. */
|
|
int (*emit_ctf_early)
|
|
(void);
|
|
|
|
/* Called to examine the string table late enough in linking that it is
|
|
finally laid out. If emit_ctf_early returns true, this is not called, and
|
|
ldemul_maybe_emit_ctf emits CTF in 'early' mode: otherwise, it waits
|
|
until 'late'. (Late mode needs explicit support at per-target link time to
|
|
get called at all). If set, called by ld when the examine_strtab
|
|
bfd_link_callback is invoked by per-target code. */
|
|
void (*acquire_strings_for_ctf) (struct ctf_dict *, struct elf_strtab_hash *);
|
|
|
|
/* Called when a new symbol is added to the dynamic symbol table. If
|
|
emit_ctf_early returns true, this is not called, and ldemul_maybe_emit_ctf
|
|
emits CTF in 'early' mode: otherwise, it waits until 'late'. (Late mode
|
|
needs explicit support at per-target link time to get called at all). If
|
|
set, called by ld when the ctf_new_symbol bfd_link_callback is invoked by
|
|
per-target code. Called with a NULL symbol when no further symbols will be
|
|
provided. */
|
|
void (*new_dynsym_for_ctf) (struct ctf_dict *, int, struct elf_internal_sym *);
|
|
|
|
/* Called when printing a symbol to the map file. AIX uses this
|
|
hook to flag gc'd symbols. */
|
|
bool (*print_symbol)
|
|
(struct bfd_link_hash_entry *hash_entry, void *ptr);
|
|
|
|
} ld_emulation_xfer_type;
|
|
|
|
typedef enum {
|
|
intel_ic960_ld_mode_enum,
|
|
default_mode_enum,
|
|
intel_gld960_ld_mode_enum
|
|
} lang_emulation_mode_enum_type;
|
|
|
|
extern ld_emulation_xfer_type *ld_emulations[];
|
|
|
|
#endif
|