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author | Jing Yu <jingyu@google.com> | 2011-12-20 10:27:58 -0800 |
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committer | Jing Yu <jingyu@google.com> | 2011-12-20 10:27:58 -0800 |
commit | cf3cdbf8b3cda61a619299e7966a83df66244036 (patch) | |
tree | 201e2bcfc955f16802d3257112d29736cb3a3ce8 /binutils-2.21/ld/ldemul.h | |
parent | e4df3e0a5bb640ccfa2f30ee67fe9b3146b152d6 (diff) | |
download | toolchain_binutils-cf3cdbf8b3cda61a619299e7966a83df66244036.zip toolchain_binutils-cf3cdbf8b3cda61a619299e7966a83df66244036.tar.gz toolchain_binutils-cf3cdbf8b3cda61a619299e7966a83df66244036.tar.bz2 |
Add binutils-2.21.
Use --enable-gold=default for dual linker support.
Change-Id: Id1a744c7db58a0b5e7a3be174cdfa875f2f86e49
Diffstat (limited to 'binutils-2.21/ld/ldemul.h')
-rw-r--r-- | binutils-2.21/ld/ldemul.h | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/binutils-2.21/ld/ldemul.h b/binutils-2.21/ld/ldemul.h new file mode 100644 index 0000000..890107f --- /dev/null +++ b/binutils-2.21/ld/ldemul.h @@ -0,0 +1,209 @@ +/* ld-emul.h - Linker emulation header file + Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2001, + 2002, 2003, 2004, 2005, 2007, 2008 + 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_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 bfd_boolean ldemul_parse_args + (int, char **); +extern void ldemul_add_options + (int, char **, int, struct option **, int, struct option **); +extern bfd_boolean ldemul_handle_option + (int); +extern bfd_boolean ldemul_unrecognized_file + (struct lang_input_statement_struct *); +extern bfd_boolean ldemul_recognized_file + (struct lang_input_statement_struct *); +extern bfd_boolean 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_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 *); + +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 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. */ + bfd_boolean (*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. */ + bfd_boolean (*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. */ + bfd_boolean (*handle_option) (int); + + /* Run to handle files which are not recognized as object files or + archives. Return TRUE if the file was handled. */ + bfd_boolean (*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. */ + bfd_boolean (*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 *); + +} 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 |