/* Internal format of XCOFF object file data structures for BFD.
- Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005
- Free Software Foundation, Inc.
+ Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005,
+ 2009 Free Software Foundation, Inc.
Written by Ian Lance Taylor <ian@cygnus.com>, Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
#define L_ENTRY (0x20)
/* Exported symbol. */
#define L_EXPORT (0x10)
+/* Weak symbol. */
+#define L_WEAK (0x08)
/* The ldrel structure. This is used to represent a reloc in the
.loader section. */
#define XCOFF_LDREL 0x00000008
/* Symbol is the entry point. */
#define XCOFF_ENTRY 0x00000010
-/* Symbol is called; this is, it appears in a R_BR reloc. */
+/* Symbol is for a function and is the target of a relocation.
+ The relocation may or may not be a branch-type relocation. */
#define XCOFF_CALLED 0x00000020
/* Symbol needs the TOC entry filled in. */
#define XCOFF_SET_TOC 0x00000040
-/* Symbol is explicitly imported. */
+/* Symbol is implicitly or explicitly imported. */
#define XCOFF_IMPORT 0x00000080
/* Symbol is explicitly exported. */
#define XCOFF_EXPORT 0x00000100
#define XCOFF_SYSCALL32 0x00008000
/* Symbol is an imported 64 bit syscall. */
#define XCOFF_SYSCALL64 0x00010000
+/* Symbol was not explicitly defined by the time it was marked. */
+#define XCOFF_WAS_UNDEFINED 0x00020000
+/* We have assigned an output XCOFF entry to this symbol. */
+#define XCOFF_ALLOCATED 0x00040000
/* The XCOFF linker hash table. */
#define XCOFF_SPECIAL_SECTION_END 4
#define XCOFF_SPECIAL_SECTION_END2 5
-struct xcoff_link_hash_table
-{
- struct bfd_link_hash_table root;
-
- /* The .debug string hash table. We need to compute this while
- reading the input files, so that we know how large the .debug
- section will be before we assign section positions. */
- struct bfd_strtab_hash *debug_strtab;
-
- /* The .debug section we will use for the final output. */
- asection *debug_section;
-
- /* The .loader section we will use for the final output. */
- asection *loader_section;
-
- /* A count of non TOC relative relocs which will need to be
- allocated in the .loader section. */
- size_t ldrel_count;
-
- /* The .loader section header. */
- struct internal_ldhdr ldhdr;
-
- /* The .gl section we use to hold global linkage code. */
- asection *linkage_section;
-
- /* The .tc section we use to hold toc entries we build for global
- linkage code. */
- asection *toc_section;
-
- /* The .ds section we use to hold function descriptors which we
- create for exported symbols. */
- asection *descriptor_section;
-
- /* The list of import files. */
- struct xcoff_import_file *imports;
-
- /* Required alignment of sections within the output file. */
- unsigned long file_align;
-
- /* Whether the .text section must be read-only. */
- bfd_boolean textro;
-
- /* Whether garbage collection was done. */
- bfd_boolean gc;
-
- /* A linked list of symbols for which we have size information. */
- struct xcoff_link_size_list
- {
- struct xcoff_link_size_list *next;
- struct xcoff_link_hash_entry *h;
- bfd_size_type size;
- }
- *size_list;
-
- /* Magic sections: _text, _etext, _data, _edata, _end, end. */
- asection *special_sections[XCOFF_NUMBER_OF_SPECIAL_SECTIONS];
-};
-
+/* These flags indicate which of -bexpall and -bexpfull are in effect. */
+#define XCOFF_EXPALL 1
+#define XCOFF_EXPFULL 2
/* This structure is used to pass information through
xcoff_link_hash_traverse. */
/* Link information structure. */
struct bfd_link_info *info;
- /* Whether all defined symbols should be exported. */
- bfd_boolean export_defineds;
+ /* A mask of XCOFF_EXPALL and XCOFF_EXPFULL flags. */
+ unsigned int auto_export_flags;
/* Number of ldsym structures. */
size_t ldsym_count;
#define arch_xhdr_big(bfd) \
((struct xcoff_ar_hdr_big *) arch_eltdata (bfd)->arch_header)
+/* True if symbols of class CLASS are external. */
+#define EXTERN_SYM_P(CLASS) \
+ ((CLASS) == C_EXT || (CLASS) == C_AIX_WEAKEXT)
+
#endif /* _INTERNAL_XCOFF_H */