Initial revision

1 files changed, 149 insertions, 0 deletions

diff --git a/ld/ldemul.h b/ld/ldemul.h
new file mode 100644
index 0000000000..350de06af3
--- /dev/null
+++ b/ld/ldemul.h
@@ -0,0 +1,149 @@
+/* ld-emul.h - Linker emulation header file
+   Copyright 1991, 92, 93, 94, 95, 96, 97, 1998 Free Software Foundation, Inc.
+
+   This file is part of GLD, the Gnu Linker.
+
+   GLD 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 1, or (at your option)
+   any later version.
+
+   GLD 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.  */
+
+#ifndef LDEMUL_H
+#define LDEMUL_H
+
+#if ANSI_PROTOTYPES
+struct lang_input_statement_struct;
+struct search_dirs;
+#endif
+
+extern void ldemul_hll PARAMS ((char *));
+extern void ldemul_syslib PARAMS ((char *));
+extern void ldemul_after_parse PARAMS ((void));
+extern void ldemul_before_parse PARAMS ((void));
+extern void ldemul_after_open PARAMS ((void));
+extern void ldemul_after_allocation PARAMS ((void));
+extern void ldemul_before_allocation PARAMS ((void));
+extern void ldemul_set_output_arch PARAMS ((void));
+extern char *ldemul_choose_target PARAMS ((void));
+extern void ldemul_choose_mode PARAMS ((char *));
+extern void ldemul_list_emulations PARAMS ((FILE *));
+extern void ldemul_list_emulation_options PARAMS ((FILE *));
+extern char *ldemul_get_script PARAMS ((int *isfile));
+extern void ldemul_finish PARAMS ((void));
+extern void ldemul_set_symbols PARAMS ((void));
+extern void ldemul_create_output_section_statements PARAMS ((void));
+extern boolean ldemul_place_orphan
+  PARAMS ((struct lang_input_statement_struct *, asection *));
+extern int ldemul_parse_args PARAMS ((int, char **));
+extern boolean ldemul_unrecognized_file
+  PARAMS ((struct lang_input_statement_struct *));
+extern boolean ldemul_recognized_file
+  PARAMS ((struct lang_input_statement_struct *));
+extern boolean ldemul_open_dynamic_archive
+  PARAMS ((const char *, struct search_dirs *,
+	   struct lang_input_statement_struct *));
+extern char *ldemul_default_target PARAMS ((void));
+extern void after_parse_default PARAMS ((void));
+extern void after_open_default PARAMS ((void));
+extern void after_allocation_default PARAMS ((void));
+extern void before_allocation_default PARAMS ((void));
+extern void set_output_arch_default PARAMS ((void));
+extern void syslib_default PARAMS ((char*));
+extern void hll_default PARAMS ((char*));
+
+typedef struct ld_emulation_xfer_struct
+{
+  /* Run before parsing the command line and script file.
+     Set the architecture, maybe other things.  */
+  void   (*before_parse) PARAMS ((void));
+
+  /* Handle the SYSLIB (low level library) script command.  */
+  void   (*syslib) PARAMS ((char *));
+
+  /* Handle the HLL (high level library) script command.  */
+  void   (*hll) PARAMS ((char *));
+
+  /* Run after parsing the command line and script file.  */
+  void   (*after_parse) PARAMS ((void));
+
+  /* Run after opening all input files, and loading the symbols.  */
+  void   (*after_open) PARAMS ((void));
+
+  /* Run after allocating output sections.  */
+  void   (*after_allocation) PARAMS ( (void));
+
+  /* Set the output architecture and machine if possible.  */
+  void   (*set_output_arch) PARAMS ((void));
+
+  /* Decide which target name to use.  */
+  char * (*choose_target) PARAMS ((void));
+
+  /* Run before allocating output sections.  */
+  void   (*before_allocation) PARAMS ((void));
+
+  /* Return the appropriate linker script.  */
+  char * (*get_script) PARAMS ((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) PARAMS ((void));
+
+  /* Create any output sections needed by the target.  */
+  void	(*create_output_section_statements) PARAMS ((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.  */
+  boolean (*open_dynamic_archive)
+    PARAMS ((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.  */
+  boolean (*place_orphan)
+    PARAMS ((struct lang_input_statement_struct *, asection *));
+
+  /* Run after assigning parsing with the args, but before 
+     reading the script.  Used to initialize symbols used in the script. */
+  void	(*set_symbols) PARAMS ((void));
+
+  /* Run to parse args which the base linker doesn't
+     understand. Return non zero on sucess. */
+  int (*parse_args) PARAMS ((int, char **));
+
+  /* Run to handle files which are not recognized as object files or
+     archives.  Return true if the file was handled.  */
+  boolean (*unrecognized_file)
+    PARAMS ((struct lang_input_statement_struct *));
+
+  /* Run to list the command line options which parse_args handles.  */
+  void (* list_options) PARAMS ((FILE *));
+
+  /* Run to specially handle files which *are* recognized as object
+     files or archives.  Return true if the file was handled.  */
+  boolean (*recognized_file)
+    PARAMS ((struct lang_input_statement_struct *));
+
+} 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