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authorTom Rix <trix@redhat.com>2001-05-24 20:50:50 +0000
committerTom Rix <trix@redhat.com>2001-05-24 20:50:50 +0000
commitbeb1bf64d083b906a76aa038c5cc5328f0c10e8d (patch)
tree600047bdacc5eaace49a866b8ccca725f74582c5 /bfd/libxcoff.h
parent3dd657b1d099808f55beac3272b3d41d6048472c (diff)
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Support for xcoff64
Diffstat (limited to 'bfd/libxcoff.h')
-rw-r--r--bfd/libxcoff.h266
1 files changed, 266 insertions, 0 deletions
diff --git a/bfd/libxcoff.h b/bfd/libxcoff.h
new file mode 100644
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--- /dev/null
+++ b/bfd/libxcoff.h
@@ -0,0 +1,266 @@
+/* BFD XCOFF object file private structure.
+ Copyright (C) 2001 Free Software Foundation, Inc.
+ Written by Tom Rix, Redhat.
+
+This file is part of BFD, the Binary File Descriptor library.
+
+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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#ifndef LIBXCOFF_H
+#define LIBXCOFF_H
+
+/* This is the backend information kept for XCOFF files. This
+ structure is constant for a particular backend. The first element
+ is the COFF backend data structure, so that XCOFF targets can use
+ the generic COFF code. */
+
+struct xcoff_backend_data_rec
+{
+ /*
+ * COFF backend information. Must be the first field.
+ * This is where the std coff swap table goes
+ */
+ bfd_coff_backend_data coff;
+
+ /* Magic number */
+ unsigned short _xcoff_magic_number;
+
+ /* Architecture and machine for coff_set_arch_mach_hook */
+ enum bfd_architecture _xcoff_architecture;
+ long _xcoff_machine;
+
+ /* function pointers to xcoff specific swap routines */
+ void (* _xcoff_swap_ldhdr_in)(bfd *, PTR, struct internal_ldhdr *);
+ void (* _xcoff_swap_ldhdr_out)(bfd *, struct internal_ldhdr *, PTR);
+ void (* _xcoff_swap_ldsym_in)(bfd *, PTR, struct internal_ldsym *);
+ void (* _xcoff_swap_ldsym_out)(bfd *, struct internal_ldsym *, PTR);
+ void (* _xcoff_swap_ldrel_in)(bfd *, PTR, struct internal_ldrel *);
+ void (* _xcoff_swap_ldrel_out)(bfd *, struct internal_ldrel *, PTR);
+
+ /* size of the the external struct */
+ unsigned int _xcoff_ldhdrsz;
+ unsigned int _xcoff_ldsymsz;
+ unsigned int _xcoff_ldrelsz;
+
+ /* size an entry in a descriptor section */
+ unsigned int _xcoff_function_descriptor_size;
+
+ /* size of the small aout file header */
+ unsigned int _xcoff_small_aout_header_size;
+
+ /*
+ * version
+ * loader version
+ * 1 : xcoff32
+ * 2 : xcoff64
+ */
+ unsigned long _xcoff_ldhdr_version;
+
+ boolean (* _xcoff_put_symbol_name)(bfd *, struct bfd_strtab_hash *,
+ struct internal_syment *,
+ const char *);
+
+ boolean (* _xcoff_put_ldsymbol_name)(bfd *, struct xcoff_loader_info *,
+ struct internal_ldsym *,
+ const char *);
+
+ reloc_howto_type *_xcoff_dynamic_reloc;
+
+ asection * (* _xcoff_create_csect_from_smclas) (bfd *, union internal_auxent *, const char *);
+
+ /*
+ * line_no and reloc overflow
+ * 32 overflows to another section when the line_no or reloc count go
+ * over 0xffff. 64 does not overflow.
+ */
+ boolean (*_xcoff_is_lineno_count_overflow)(bfd *, bfd_vma);
+ boolean (*_xcoff_is_reloc_count_overflow)(bfd *, bfd_vma);
+
+ /*
+ * .loader symbol table offset
+ * 32 is after the .loader header
+ * 64 is offset in .loader header
+ *
+ * Similar for the reloc table
+ */
+ bfd_vma (*_xcoff_loader_symbol_offset)(bfd *, struct internal_ldhdr *);
+ bfd_vma (*_xcoff_loader_reloc_offset)(bfd *, struct internal_ldhdr *);
+
+
+ /*
+ * Global linkage
+ *
+ * The first word of global linkage code must be be modified by
+ * filling in the correct TOC offset.
+ */
+ unsigned long *_xcoff_glink_code;
+
+ /*
+ * Size of the global link code in bytes of the xcoff_glink_code table
+ */
+ unsigned long _xcoff_glink_size;
+
+};
+
+/* Look up an entry in an XCOFF link hash table. */
+
+#define xcoff_link_hash_lookup(table, string, create, copy, follow) \
+ ((struct xcoff_link_hash_entry *) \
+ bfd_link_hash_lookup (&(table)->root, (string), (create), (copy),\
+ (follow)))
+
+/* Traverse an XCOFF link hash table. */
+
+#define xcoff_link_hash_traverse(table, func, info) \
+ (bfd_link_hash_traverse \
+ (&(table)->root, \
+ (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \
+ (info)))
+
+/* Get the XCOFF link hash table from the info structure. This is
+ just a cast. */
+
+#define xcoff_hash_table(p) ((struct xcoff_link_hash_table *) ((p)->hash))
+
+
+#define xcoff_backend(abfd) \
+ ((struct xcoff_backend_data_rec *) (abfd)->xvec->backend_data)
+
+#define bfd_xcoff_magic_number(a) ((xcoff_backend(a)->_xcoff_magic_number))
+#define bfd_xcoff_architecture(a) ((xcoff_backend(a)->_xcoff_architecture))
+#define bfd_xcoff_machine(a) ((xcoff_backend(a)->_xcoff_machine))
+
+#define bfd_xcoff_swap_ldhdr_in(a, b, c) \
+ ((xcoff_backend(a)->_xcoff_swap_ldhdr_in) ((a), (b), (c)))
+
+#define bfd_xcoff_swap_ldhdr_out(a, b, c) \
+ ((xcoff_backend(a)->_xcoff_swap_ldhdr_out) ((a), (b), (c)))
+
+#define bfd_xcoff_swap_ldsym_in(a, b, c) \
+ ((xcoff_backend(a)->_xcoff_swap_ldsym_in) ((a), (b), (c)))
+
+#define bfd_xcoff_swap_ldsym_out(a, b, c) \
+ ((xcoff_backend(a)->_xcoff_swap_ldsym_out) ((a), (b), (c)))
+
+#define bfd_xcoff_swap_ldrel_in(a, b, c) \
+ ((xcoff_backend(a)->_xcoff_swap_ldrel_in) ((a), (b), (c)))
+
+#define bfd_xcoff_swap_ldrel_out(a, b, c) \
+ ((xcoff_backend(a)->_xcoff_swap_ldrel_out) ((a), (b), (c)))
+
+#define bfd_xcoff_ldhdrsz(a) ((xcoff_backend(a)->_xcoff_ldhdrsz))
+#define bfd_xcoff_ldsymsz(a) ((xcoff_backend(a)->_xcoff_ldsymsz))
+#define bfd_xcoff_ldrelsz(a) ((xcoff_backend(a)->_xcoff_ldrelsz))
+#define bfd_xcoff_function_descriptor_size(a) \
+ ((xcoff_backend(a)->_xcoff_function_descriptor_size))
+#define bfd_xcoff_small_aout_header_size(a) \
+ ((xcoff_backend(a)->_xcoff_small_aout_header_size))
+
+#define bfd_xcoff_ldhdr_version(a) ((xcoff_backend(a)->_xcoff_ldhdr_version))
+
+#define bfd_xcoff_put_symbol_name(a, b, c, d) \
+ ((xcoff_backend(a)->_xcoff_put_symbol_name) ((a), (b), (c), (d)))
+
+#define bfd_xcoff_put_ldsymbol_name(a, b, c, d) \
+ ((xcoff_backend(a)->_xcoff_put_ldsymbol_name) ((a), (b), (c), (d)))
+
+/* Get the XCOFF hash table entries for a BFD. */
+#define obj_xcoff_sym_hashes(bfd) \
+ ((struct xcoff_link_hash_entry **) obj_coff_sym_hashes (bfd))
+
+#define bfd_xcoff_dynamic_reloc_howto(a) \
+ ((xcoff_backend(a)->_xcoff_dynamic_reloc))
+
+#define bfd_xcoff_create_csect_from_smclas(a, b, c) \
+ ((xcoff_backend(a)->_xcoff_create_csect_from_smclas((a), (b), (c))))
+
+#define bfd_xcoff_is_lineno_count_overflow(a, b) \
+ ((xcoff_backend(a)->_xcoff_is_lineno_count_overflow((a), (b))))
+
+#define bfd_xcoff_is_reloc_count_overflow(a, b) \
+ ((xcoff_backend(a)->_xcoff_is_reloc_count_overflow((a), (b))))
+
+#define bfd_xcoff_loader_symbol_offset(a, b) \
+ ((xcoff_backend(a)->_xcoff_loader_symbol_offset((a), (b))))
+
+#define bfd_xcoff_loader_reloc_offset(a, b) \
+ ((xcoff_backend(a)->_xcoff_loader_reloc_offset((a), (b))))
+
+#define bfd_xcoff_glink_code(a, b) ((xcoff_backend(a)->_xcoff_glink_code[(b)]))
+#define bfd_xcoff_glink_code_size(a) ((xcoff_backend(a)->_xcoff_glink_size))
+
+#define bfd_xcoff_is_xcoff64(a) (0x01EF == (bfd_xcoff_magic_number(a)))
+#define bfd_xcoff_is_xcoff32(a) (0x01DF == (bfd_xcoff_magic_number(a)))
+
+/* Functions in xcofflink.c. */
+
+extern long _bfd_xcoff_get_dynamic_symtab_upper_bound PARAMS ((bfd *));
+extern long _bfd_xcoff_canonicalize_dynamic_symtab
+ PARAMS ((bfd *, asymbol **));
+extern long _bfd_xcoff_get_dynamic_reloc_upper_bound PARAMS ((bfd *));
+extern long _bfd_xcoff_canonicalize_dynamic_reloc
+ PARAMS ((bfd *, arelent **, asymbol **));
+extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create
+ PARAMS ((bfd *));
+extern boolean _bfd_xcoff_bfd_link_add_symbols
+ PARAMS ((bfd *, struct bfd_link_info *));
+extern boolean _bfd_xcoff_bfd_final_link
+ PARAMS ((bfd *, struct bfd_link_info *));
+extern boolean _bfd_xcoff_slurp_symbol_table
+ PARAMS ((bfd *));
+extern long _bfd_xcoff_get_symbol_table
+ PARAMS ((bfd *, asymbol **));
+extern asymbol *_bfd_xcoff_make_empty_symbol
+ PARAMS ((bfd *));
+extern long _bfd_xcoff_get_symbol_table_upper_bound
+ PARAMS ((bfd *));
+extern void _bfd_xcoff_print_symbol
+ PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type));
+extern void _bfd_xcoff_get_symbol_info
+ PARAMS ((bfd *, asymbol *, symbol_info *));
+extern long _bfd_xcoff_canonicalize_reloc
+ PARAMS((bfd *, sec_ptr, arelent **, asymbol **));
+extern reloc_howto_type *_bfd_xcoff_rtype_to_howto
+ PARAMS ((bfd *, asection *, struct internal_reloc *,
+ struct coff_link_hash_entry *, struct internal_syment *,
+ bfd_vma *));
+extern boolean _bfd_xcoff_set_section_contents
+ PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type));
+boolean _bfd_xcoff_write_object_contents PARAMS ((bfd *));
+
+
+/* XCOFF support routines for the linker. */
+
+extern boolean bfd_xcoff_link_record_set
+ PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
+ bfd_size_type));
+extern boolean bfd_xcoff_import_symbol
+ PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
+ bfd_vma, const char *, const char *, const char *));
+extern boolean bfd_xcoff_export_symbol
+ PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
+ boolean));
+extern boolean bfd_xcoff_link_count_reloc
+ PARAMS ((bfd *, struct bfd_link_info *, const char *));
+extern boolean bfd_xcoff_record_link_assignment
+ PARAMS ((bfd *, struct bfd_link_info *, const char *));
+extern boolean bfd_xcoff_size_dynamic_sections
+ PARAMS ((bfd *, struct bfd_link_info *, const char *, const char *,
+ unsigned long, unsigned long, unsigned long, boolean,
+ int, boolean, boolean, struct sec **));
+extern boolean xcoff_slurp_reloc_table
+ PARAMS ((bfd *, asection *, asymbol **));
+
+#endif /* LIBXCOFF_H */