/* Main header file for the bfd library -- portable access to object files.
- ==> The bfd.h file is generated from bfd-in.h and various .c files; if you
- ==> change it, your changes will probably be lost.
Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
Contributed by Cygnus Support.
+** NOTE: bfd.h and bfd-in2.h are GENERATED files. Don't change them;
+** instead, change bfd-in.h or the other BFD source files processed to
+** generate these files.
+
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
#define BFD64
#endif
-#ifndef FOPEN_AUT /* WAG */
-/* INSERT SYSDEP HERE */
-/* END OF SYSDEP */
+#ifndef INLINE
+#if __GNUC__ >= 2
+#define INLINE __inline__
+#else
+#define INLINE
+#endif
#endif
+/* 64-bit type definition (if any) from bfd's sysdep.h goes here */
+
+
/* forward declaration */
typedef struct _bfd bfd;
force me to change it. */
/* typedef enum boolean {false, true} boolean; */
/* Yup, SVR4 has a "typedef enum boolean" in <sys/types.h> -fnf */
+/* It gets worse if the host also defines a true/false enum... -sts */
+#ifndef TRUE_FALSE_ALREADY_DEFINED
typedef enum bfd_boolean {false, true} boolean;
+#define BFD_TRUE_FALSE
+#else
+typedef enum bfd_boolean {bfd_false, bfd_true} boolean;
+#endif
/* A pointer to a position in a file. */
/* FIXME: This should be using off_t from <sys/types.h>.
typedef long int file_ptr;
/* Support for different sizes of target format ints and addresses. If the
- host implements 64-bit values, it defines HOST_64_BIT to be the appropriate
+ host implements 64-bit values, it defines BFD_HOST_64_BIT to be the appropriate
type. Otherwise, this code will fall back on gcc's "long long" type if gcc
- is being used. HOST_64_BIT must be defined in such a way as to be a valid
+ is being used. BFD_HOST_64_BIT must be defined in such a way as to be a valid
type name by itself or with "unsigned" prefixed. It should be a signed
type by itself.
#ifdef BFD64
-#if defined (__GNUC__) && !defined (HOST_64_BIT)
-#define HOST_64_BIT long long
-typedef HOST_64_BIT int64_type;
-typedef unsigned HOST_64_BIT uint64_type;
+#if defined (__GNUC__) && !defined (BFD_HOST_64_BIT)
+#define BFD_HOST_64_BIT long long
+typedef BFD_HOST_64_BIT int64_type;
+typedef unsigned BFD_HOST_64_BIT uint64_type;
+#endif
+
+#if !defined (uint64_type) && defined (__GNUC__)
+#define uint64_type unsigned long long
+#define int64_type long long
+#endif
+#ifndef uint64_typeLOW
+#define uint64_typeLOW(x) ((unsigned long)(((x) & 0xffffffff)))
+#define uint64_typeHIGH(x) ((unsigned long)(((x) >> 32) & 0xffffffff))
#endif
-typedef unsigned HOST_64_BIT bfd_vma;
-typedef HOST_64_BIT bfd_signed_vma;
-typedef unsigned HOST_64_BIT bfd_size_type;
-typedef unsigned HOST_64_BIT symvalue;
+typedef unsigned BFD_HOST_64_BIT bfd_vma;
+typedef BFD_HOST_64_BIT bfd_signed_vma;
+typedef unsigned BFD_HOST_64_BIT bfd_size_type;
+typedef unsigned BFD_HOST_64_BIT symvalue;
+#ifndef fprintf_vma
#define fprintf_vma(s,x) \
- fprintf(s,"%08x%08x", uint64_typeHIGH(x), uint64_typeLOW(x))
+ fprintf(s,"%08lx%08lx", uint64_typeHIGH(x), uint64_typeLOW(x))
+#define sprintf_vma(s,x) \
+ sprintf(s,"%08lx%08lx", uint64_typeHIGH(x), uint64_typeLOW(x))
+#endif
#else /* not BFD64 */
/* Represent a target address. Also used as a generic unsigned type
/* Print a bfd_vma x on stream s. */
#define fprintf_vma(s,x) fprintf(s, "%08lx", x)
+#define sprintf_vma(s,x) sprintf(s, "%08lx", x)
#endif /* not BFD64 */
#define printf_vma(x) fprintf_vma(stdout,x)
bfd_type_end} /* marks the end; don't use it! */
bfd_format;
-/* Object file flag values */
+/* Values that may appear in the flags field of a BFD. These also
+ appear in the object_flags field of the bfd_target structure, where
+ they indicate the set of flags used by that backend (not all flags
+ are meaningful for all object file formats) (FIXME: at the moment,
+ the object_flags values have mostly just been copied from backend
+ to another, and are not necessarily correct). */
+
+/* No flags. */
#define NO_FLAGS 0x00
+
+/* BFD contains relocation entries. */
#define HAS_RELOC 0x01
+
+/* BFD is directly executable. */
#define EXEC_P 0x02
+
+/* BFD has line number information (basically used for F_LNNO in a
+ COFF header). */
#define HAS_LINENO 0x04
+
+/* BFD has debugging information. */
#define HAS_DEBUG 0x08
+
+/* BFD has symbols. */
#define HAS_SYMS 0x10
+
+/* BFD has local symbols (basically used for F_LSYMS in a COFF
+ header). */
#define HAS_LOCALS 0x20
+
+/* BFD is a dynamic object. */
#define DYNAMIC 0x40
+
+/* Text section is write protected (if D_PAGED is not set, this is
+ like an a.out NMAGIC file) (the linker sets this by default, but
+ clears it for -r or -N). */
#define WP_TEXT 0x80
+
+/* BFD is dynamically paged (this is like an a.out ZMAGIC file) (the
+ linker sets this by default, but clears it for -r or -n or -N). */
#define D_PAGED 0x100
+
+/* BFD is relaxable (this means that bfd_relax_section may be able to
+ do something). */
#define BFD_IS_RELAXABLE 0x200
\f
/* symbols and relocation */
+/* A count of carsyms (canonical archive symbols). */
typedef unsigned long symindex;
#define BFD_NO_MORE_SYMBOLS ((symindex) ~0)
-typedef enum bfd_symclass {
- bfd_symclass_unknown = 0,
- bfd_symclass_fcommon, /* fortran common symbols */
- bfd_symclass_global, /* global symbol, what a surprise */
- bfd_symclass_debugger, /* some debugger symbol */
- bfd_symclass_undefined /* none known */
- } symclass;
-
-
-typedef int symtype; /* Who knows, yet? */
-
-
-/* general purpose part of a symbol;
- target specific parts will be found in libcoff.h, liba.out.h etc */
-
+/* General purpose part of a symbol X;
+ target specific parts are in libcoff.h, libaout.h, etc. */
#define bfd_get_section(x) ((x)->section)
#define bfd_get_output_section(x) ((x)->section->output_section)
#define bfd_asymbol_bfd(x) ((x)->the_bfd)
#define bfd_asymbol_flavour(x) (bfd_asymbol_bfd(x)->xvec->flavour)
+/* A canonical archive symbol. */
/* This is a type pun with struct ranlib on purpose! */
typedef struct carsym {
char *name;
} carsym; /* to make these you call a carsymogen */
-/* Used in generating armaps. Perhaps just a forward definition would do? */
+/* Used in generating armaps (archive tables of contents).
+ Perhaps just a forward definition would do? */
struct orl { /* output ranlib */
char **name; /* symbol name */
file_ptr pos; /* bfd* or file position */
typedef struct lineno_cache_entry {
unsigned int line_number; /* Linenumber from start of function*/
union {
- struct symbol_cache_entry *sym; /* Function name */
+ struct symbol_cache_entry *sym; /* Function name */
unsigned long offset; /* Offset into section */
} u;
} alent;
typedef struct stat stat_type;
\f
-/** Error handling */
-
-typedef enum bfd_error {
- no_error = 0, system_call_error, invalid_target,
- wrong_format, invalid_operation, no_memory,
- no_symbols, no_relocation_info,
- no_more_archived_files, malformed_archive,
- symbol_not_found, file_not_recognized,
- file_ambiguously_recognized, no_contents,
- bfd_error_nonrepresentable_section,
- no_debug_section, bad_value,
-
- /* An input file is shorter than expected. */
- file_truncated,
-
- invalid_error_code} bfd_ec;
-
-extern bfd_ec bfd_error;
-struct reloc_cache_entry;
-struct bfd_seclet;
-
-
-typedef struct bfd_error_vector {
- void (* nonrepresentable_section ) PARAMS ((CONST bfd *CONST abfd,
- CONST char *CONST name));
- void (* undefined_symbol) PARAMS ((CONST struct reloc_cache_entry *rel,
- CONST struct bfd_seclet *sec));
- void (* reloc_value_truncated) PARAMS ((CONST struct
- reloc_cache_entry *rel,
- struct bfd_seclet *sec));
-
- void (* reloc_dangerous) PARAMS ((CONST struct reloc_cache_entry *rel,
- CONST struct bfd_seclet *sec));
-
-} bfd_error_vector_type;
-
-CONST char *bfd_errmsg PARAMS ((bfd_ec error_tag));
-void bfd_perror PARAMS ((CONST char *message));
-\f
-
typedef enum bfd_print_symbol
{
bfd_print_symbol_name,
bfd_print_symbol_all
} bfd_print_symbol_type;
-\f
/* Information about a symbol that nm needs. */
typedef struct _symbol_info
{
symvalue value;
- char type; /* */
+ char type;
CONST char *name; /* Symbol name. */
char stab_other; /* Unused. */
short stab_desc; /* Info for N_TYPE. */
CONST char *stab_name;
} symbol_info;
\f
+/* Hash table routines. There is no way to free up a hash table. */
+
+/* An element in the hash table. Most uses will actually use a larger
+ structure, and an instance of this will be the first field. */
+
+struct bfd_hash_entry
+{
+ /* Next entry for this hash code. */
+ struct bfd_hash_entry *next;
+ /* String being hashed. */
+ const char *string;
+ /* Hash code. This is the full hash code, not the index into the
+ table. */
+ unsigned long hash;
+};
+
+/* A hash table. */
+
+struct bfd_hash_table
+{
+ /* The hash array. */
+ struct bfd_hash_entry **table;
+ /* The number of slots in the hash table. */
+ unsigned int size;
+ /* A function used to create new elements in the hash table. The
+ first entry is itself a pointer to an element. When this
+ function is first invoked, this pointer will be NULL. However,
+ having the pointer permits a hierarchy of method functions to be
+ built each of which calls the function in the superclass. Thus
+ each function should be written to allocate a new block of memory
+ only if the argument is NULL. */
+ struct bfd_hash_entry *(*newfunc) PARAMS ((struct bfd_hash_entry *,
+ struct bfd_hash_table *,
+ const char *));
+ /* An obstack for this hash table. */
+ struct obstack memory;
+};
+
+/* Initialize a hash table. */
+extern boolean bfd_hash_table_init
+ PARAMS ((struct bfd_hash_table *,
+ struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
+ struct bfd_hash_table *,
+ const char *)));
+
+/* Initialize a hash table specifying a size. */
+extern boolean bfd_hash_table_init_n
+ PARAMS ((struct bfd_hash_table *,
+ struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
+ struct bfd_hash_table *,
+ const char *),
+ unsigned int size));
+
+/* Free up a hash table. */
+extern void bfd_hash_table_free PARAMS ((struct bfd_hash_table *));
+
+/* Look up a string in a hash table. If CREATE is true, a new entry
+ will be created for this string if one does not already exist. The
+ COPY argument must be true if this routine should copy the string
+ into newly allocated memory when adding an entry. */
+extern struct bfd_hash_entry *bfd_hash_lookup
+ PARAMS ((struct bfd_hash_table *, const char *, boolean create,
+ boolean copy));
+
+/* Base method for creating a hash table entry. */
+extern struct bfd_hash_entry *bfd_hash_newfunc
+ PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *,
+ const char *));
+
+/* Grab some space for a hash table entry. */
+extern PTR bfd_hash_allocate PARAMS ((struct bfd_hash_table *,
+ unsigned int));
+
+/* Traverse a hash table in a random order, calling a function on each
+ element. If the function returns false, the traversal stops. The
+ INFO argument is passed to the function. */
+extern void bfd_hash_traverse PARAMS ((struct bfd_hash_table *,
+ boolean (*) (struct bfd_hash_entry *,
+ PTR),
+ PTR info));
+\f
/* The code that implements targets can initialize a jump table with this
macro. It must name all its routines the same way (a prefix plus
the standard routine suffix), or it must #define the routines that
are not so named, before calling JUMP_TABLE in the initializer. */
-/* Semi-portable string concatenation in cpp */
+/* Semi-portable string concatenation in cpp.
+ The CAT4 hack is to avoid a problem with some strict ANSI C preprocessors.
+ The problem is, "32_" is not a valid preprocessing token, and we don't
+ want extra underscores (e.g., "nlm_32_"). The XCAT2 macro will cause the
+ inner CAT macros to be evaluated first, producing still-valid pp-tokens.
+ Then the final concatenation can be done. (Sigh.) */
#ifndef CAT
-#ifdef __STDC__
+#ifdef SABER
+#define CAT(a,b) a##b
+#define CAT3(a,b,c) a##b##c
+#define CAT4(a,b,c,d) a##b##c##d
+#else
+#if defined(__STDC__) || defined(ALMOST_STDC)
#define CAT(a,b) a##b
#define CAT3(a,b,c) a##b##c
+#define XCAT2(a,b) CAT(a,b)
+#define CAT4(a,b,c,d) XCAT2(CAT(a,b),CAT(c,d))
#else
#define CAT(a,b) a/**/b
#define CAT3(a,b,c) a/**/b/**/c
+#define CAT4(a,b,c,d) a/**/b/**/c/**/d
+#endif
#endif
#endif
CAT(NAME,_slurp_extended_name_table),\
CAT(NAME,_truncate_arname),\
CAT(NAME,_write_armap),\
-CAT(NAME,_close_and_cleanup), \
+CAT(NAME,_close_and_cleanup),\
CAT(NAME,_set_section_contents),\
CAT(NAME,_get_section_contents),\
CAT(NAME,_new_section_hook),\
CAT(NAME,_bfd_debug_info_accumulate),\
CAT(NAME,_bfd_get_relocated_section_contents),\
CAT(NAME,_bfd_relax_section),\
-CAT(NAME,_bfd_seclet_link),\
CAT(NAME,_bfd_reloc_type_lookup),\
-CAT(NAME,_bfd_make_debug_symbol)
+CAT(NAME,_bfd_make_debug_symbol),\
+CAT(NAME,_bfd_link_hash_table_create),\
+CAT(NAME,_bfd_link_add_symbols),\
+CAT(NAME,_bfd_final_link)
#define COFF_SWAP_TABLE (PTR) &bfd_coff_std_swap_table
\f
/* User program access to BFD facilities */
-extern CONST short _bfd_host_big_endian;
-#define HOST_BYTE_ORDER_BIG_P (*(char *)&_bfd_host_big_endian)
-
-/* The bfd itself */
-
/* Cast from const char * to char * so that caller can assign to
a char * without a warning. */
#define bfd_get_filename(abfd) ((char *) (abfd)->filename)
+#define bfd_get_cacheable(abfd) ((abfd)->cacheable)
#define bfd_get_format(abfd) ((abfd)->format)
#define bfd_get_target(abfd) ((abfd)->xvec->name)
+#define bfd_get_flavour(abfd) ((abfd)->xvec->flavour)
#define bfd_get_file_flags(abfd) ((abfd)->flags)
#define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags)
#define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags)
#define bfd_my_archive(abfd) ((abfd)->my_archive)
#define bfd_has_map(abfd) ((abfd)->has_armap)
-#define bfd_header_twiddle_required(abfd) \
- ((((abfd)->xvec->header_byteorder_big_p) \
- != (boolean)HOST_BYTE_ORDER_BIG_P) ? true:false)
#define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types)
#define bfd_usrdata(abfd) ((abfd)->usrdata)
#define bfd_get_symcount(abfd) ((abfd)->symcount)
#define bfd_get_outsymbols(abfd) ((abfd)->outsymbols)
#define bfd_count_sections(abfd) ((abfd)->section_count)
-#define bfd_get_architecture(abfd) ((abfd)->obj_arch)
-#define bfd_get_machine(abfd) ((abfd)->obj_machine)
#define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char)
-#define BYTE_SIZE 1
-#define SHORT_SIZE 2
-#define LONG_SIZE 4
+#define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = (bool)), true)
+
+/* Byte swapping routines. */
+
+bfd_vma bfd_getb64 PARAMS ((const unsigned char *));
+bfd_vma bfd_getl64 PARAMS ((const unsigned char *));
+bfd_signed_vma bfd_getb_signed_64 PARAMS ((const unsigned char *));
+bfd_signed_vma bfd_getl_signed_64 PARAMS ((const unsigned char *));
+bfd_vma bfd_getb32 PARAMS ((const unsigned char *));
+bfd_vma bfd_getl32 PARAMS ((const unsigned char *));
+bfd_signed_vma bfd_getb_signed_32 PARAMS ((const unsigned char *));
+bfd_signed_vma bfd_getl_signed_32 PARAMS ((const unsigned char *));
+bfd_vma bfd_getb16 PARAMS ((const unsigned char *));
+bfd_vma bfd_getl16 PARAMS ((const unsigned char *));
+bfd_signed_vma bfd_getb_signed_16 PARAMS ((const unsigned char *));
+bfd_signed_vma bfd_getl_signed_16 PARAMS ((const unsigned char *));
+void bfd_putb64 PARAMS ((bfd_vma, unsigned char *));
+void bfd_putl64 PARAMS ((bfd_vma, unsigned char *));
+void bfd_putb32 PARAMS ((bfd_vma, unsigned char *));
+void bfd_putl32 PARAMS ((bfd_vma, unsigned char *));
+void bfd_putb16 PARAMS ((bfd_vma, unsigned char *));
+void bfd_putl16 PARAMS ((bfd_vma, unsigned char *));
+
+/* ECOFF linking routines. */
+#if defined(__STDC__) || defined(ALMOST_STDC)
+struct ecoff_debug_info;
+struct ecoff_debug_swap;
+struct ecoff_extr;
+struct symbol_cache_entry;
+struct bfd_link_info;
+#endif
+extern PTR bfd_ecoff_debug_init
+ PARAMS ((bfd *output_bfd, struct ecoff_debug_info *output_debug,
+ const struct ecoff_debug_swap *output_swap,
+ struct bfd_link_info *));
+extern void bfd_ecoff_debug_free
+ PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
+ const struct ecoff_debug_swap *output_swap,
+ struct bfd_link_info *));
+extern boolean bfd_ecoff_debug_accumulate
+ PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
+ const struct ecoff_debug_swap *output_swap,
+ bfd *input_bfd, struct ecoff_debug_info *input_debug,
+ const struct ecoff_debug_swap *input_swap,
+ struct bfd_link_info *));
+extern boolean bfd_ecoff_debug_accumulate_other
+ PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
+ const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
+ struct bfd_link_info *));
+extern boolean bfd_ecoff_debug_externals
+ PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
+ const struct ecoff_debug_swap *swap,
+ boolean relocateable,
+ boolean (*get_extr) (struct symbol_cache_entry *,
+ struct ecoff_extr *),
+ void (*set_index) (struct symbol_cache_entry *,
+ bfd_size_type)));
+extern boolean bfd_ecoff_debug_one_external
+ PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
+ const struct ecoff_debug_swap *swap,
+ const char *name, struct ecoff_extr *esym));
+extern bfd_size_type bfd_ecoff_debug_size
+ PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
+ const struct ecoff_debug_swap *swap));
+extern boolean bfd_ecoff_write_debug
+ PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
+ const struct ecoff_debug_swap *swap, file_ptr where));
+extern boolean bfd_ecoff_write_accumulated_debug
+ PARAMS ((PTR handle, bfd *abfd, struct ecoff_debug_info *debug,
+ const struct ecoff_debug_swap *swap,
+ struct bfd_link_info *info, file_ptr where));
/* And more from the source. */
void
bfd_init PARAMS ((void));
bfd *
-bfd_openr PARAMS ((CONST char *filename, CONST char*target));
+bfd_openr PARAMS ((CONST char *filename, CONST char *target));
bfd *
bfd_fdopenr PARAMS ((CONST char *filename, CONST char *target, int fd));
bfd_openw PARAMS ((CONST char *filename, CONST char *target));
boolean
-bfd_close PARAMS ((bfd *));
+bfd_close PARAMS ((bfd *abfd));
boolean
bfd_close_all_done PARAMS ((bfd *));
bfd_alloc_size PARAMS ((bfd *abfd));
bfd *
-bfd_create PARAMS ((CONST char *filename, bfd *template));
+bfd_create PARAMS ((CONST char *filename, bfd *templ));
/* Byte swapping macros for user section data. */
#define bfd_put_8(abfd, val, ptr) \
- (*((unsigned char *)(ptr)) = (unsigned char)val)
+ (*((unsigned char *)(ptr)) = (unsigned char)(val))
#define bfd_put_signed_8 \
bfd_put_8
#define bfd_get_8(abfd, ptr) \
typedef struct sec
{
- /* The name of the section, the name isn't a copy, the pointer is
+ /* The name of the section; the name isn't a copy, the pointer is
the same as that passed to bfd_make_section. */
CONST char *name;
-
- /* Which section is it 0.nth */
+ /* Which section is it; 0..nth. */
int index;
struct sec *next;
- /* The field flags contains attributes of the section. Some of
+ /* The field flags contains attributes of the section. Some
flags are read in from the object file, and some are
synthesized from other information. */
#define SEC_NO_FLAGS 0x000
- /* Tells the OS to allocate space for this section when loaded.
- This would clear for a section containing debug information
+ /* Tells the OS to allocate space for this section when loading.
+ This is clear for a section containing debug information
only. */
-
-
#define SEC_ALLOC 0x001
+
/* Tells the OS to load the section from the file when loading.
- This would be clear for a .bss section */
-
+ This is clear for a .bss section. */
#define SEC_LOAD 0x002
- /* The section contains data still to be relocated, so there will
- be some relocation information too. */
+ /* The section contains data still to be relocated, so there is
+ some relocation information too. */
#define SEC_RELOC 0x004
- /* Obsolete ? */
-
+#if 0 /* Obsolete ? */
#define SEC_BALIGN 0x008
+#endif
/* A signal to the OS that the section contains read only
data. */
#define SEC_READONLY 0x010
/* The section contains code only. */
-
#define SEC_CODE 0x020
/* The section contains data only. */
-
-#define SEC_DATA 0x040
+#define SEC_DATA 0x040
/* The section will reside in ROM. */
-
#define SEC_ROM 0x080
/* The section contains constructor information. This section
type is used by the linker to create lists of constructors and
destructors used by <<g++>>. When a back end sees a symbol
which should be used in a constructor list, it creates a new
- section for the type of name (eg <<__CTOR_LIST__>>), attaches
- the symbol to it and builds a relocation. To build the lists
- of constructors, all the linker has to to is catenate all the
- sections called <<__CTOR_LIST__>> and relocte the data
+ section for the type of name (e.g., <<__CTOR_LIST__>>), attaches
+ the symbol to it, and builds a relocation. To build the lists
+ of constructors, all the linker has to do is catenate all the
+ sections called <<__CTOR_LIST__>> and relocate the data
contained within - exactly the operations it would peform on
standard data. */
-
#define SEC_CONSTRUCTOR 0x100
/* The section is a constuctor, and should be placed at the
- end of the . */
-
+ end of the text, data, or bss section(?). */
#define SEC_CONSTRUCTOR_TEXT 0x1100
-
#define SEC_CONSTRUCTOR_DATA 0x2100
-
#define SEC_CONSTRUCTOR_BSS 0x3100
/* The section has contents - a data section could be
- <<SEC_ALLOC>> | <<SEC_HAS_CONTENTS>>, a debug section could be
+ <<SEC_ALLOC>> | <<SEC_HAS_CONTENTS>>; a debug section could be
<<SEC_HAS_CONTENTS>> */
-
#define SEC_HAS_CONTENTS 0x200
- /* An instruction to the linker not to output sections
- containing this flag even if they have information which
- would normally be written. */
-
+ /* An instruction to the linker to not output the section
+ even if it has information which would normally be written. */
#define SEC_NEVER_LOAD 0x400
/* The section is a shared library section. The linker must leave
these completely alone, as the vma and size are used when
the executable is loaded. */
-
#define SEC_SHARED_LIBRARY 0x800
/* The section is a common section (symbols may be defined
multiple times, the value of a symbol is the amount of
space it requires, and the largest symbol value is the one
- used). Most targets have exactly one of these (.bss), but
- ECOFF has two. */
-
+ used). Most targets have exactly one of these (which we
+ translate to bfd_com_section), but ECOFF has two. */
#define SEC_IS_COMMON 0x8000
+ /* The section contains only debugging information. For
+ example, this is set for ELF .debug and .stab sections.
+ strip tests this flag to see if a section can be
+ discarded. */
+#define SEC_DEBUGGING 0x10000
+
+ /* End of section flags. */
+
/* The virtual memory address of the section - where it will be
- at run time - the symbols are relocated against this */
+ at run time. The symbols are relocated against this. The
+ user_set_vma flag is maintained by bfd; if it's not set, the
+ backend can assign addresses (for example, in <<a.out>>, where
+ the default address for <<.data>> is dependent on the specific
+ target and various flags). */
+
bfd_vma vma;
+ boolean user_set_vma;
/* The load address of the section - where it would be in a
- rom image, really only used for writing section header information */
- bfd_vma lma;
+ rom image; really only used for writing section header
+ information. */
- boolean user_set_vma;
+ bfd_vma lma;
/* The size of the section in bytes, as it will be output.
- contains a value even if the section has no contents (eg, the
+ contains a value even if the section has no contents (e.g., the
size of <<.bss>>). This will be filled in after relocation */
bfd_size_type _cooked_size;
- /* The size on disk of the section in bytes originally. Normally this
+ /* The original size on disk of the section, in bytes. Normally this
value is the same as the size, but if some relaxing has
been done, then this value will be bigger. */
/* If this section is going to be output, then this value is the
offset into the output section of the first byte in the input
- section. Eg, if this was going to start at the 100th byte in
+ section. E.g., if this was going to start at the 100th byte in
the output section, this value would be 100. */
bfd_vma output_offset;
struct sec *output_section;
- /* The alignment requirement of the section, as an exponent - eg
- 3 aligns to 2^3 (or 8) */
+ /* The alignment requirement of the section, as an exponent of 2 -
+ e.g., 3 aligns to 2^3 (or 8). */
unsigned int alignment_power;
unsigned reloc_count;
/* Information below is back end specific - and not always used
- or updated
+ or updated. */
- File position of section data */
+ /* File position of section data */
file_ptr filepos;
file_ptr moving_line_filepos;
- /* what the section number is in the target world */
+ /* What the section number is in the target world */
int target_index;
/* A symbol which points at this section only */
struct symbol_cache_entry *symbol;
struct symbol_cache_entry **symbol_ptr_ptr;
- struct bfd_seclet *seclets_head;
- struct bfd_seclet *seclets_tail;
+
+ struct bfd_link_order *link_order_head;
+ struct bfd_link_order *link_order_tail;
} asection ;
+ /* These sections are global, and are managed by BFD. The application
+ and target back end are not permitted to change the values in
+ these sections. */
#define BFD_ABS_SECTION_NAME "*ABS*"
#define BFD_UND_SECTION_NAME "*UND*"
#define BFD_COM_SECTION_NAME "*COM*"
#define BFD_IND_SECTION_NAME "*IND*"
/* the absolute section */
- extern asection bfd_abs_section;
+extern asection bfd_abs_section;
/* Pointer to the undefined section */
- extern asection bfd_und_section;
+extern asection bfd_und_section;
/* Pointer to the common section */
- extern asection bfd_com_section;
+extern asection bfd_com_section;
/* Pointer to the indirect section */
- extern asection bfd_ind_section;
+extern asection bfd_ind_section;
- extern struct symbol_cache_entry *bfd_abs_symbol;
- extern struct symbol_cache_entry *bfd_com_symbol;
- extern struct symbol_cache_entry *bfd_und_symbol;
- extern struct symbol_cache_entry *bfd_ind_symbol;
+extern struct symbol_cache_entry *bfd_abs_symbol;
+extern struct symbol_cache_entry *bfd_com_symbol;
+extern struct symbol_cache_entry *bfd_und_symbol;
+extern struct symbol_cache_entry *bfd_ind_symbol;
#define bfd_get_section_size_before_reloc(section) \
(section->reloc_done ? (abort(),1): (section)->_raw_size)
#define bfd_get_section_size_after_reloc(section) \
bfd_get_section_by_name PARAMS ((bfd *abfd, CONST char *name));
asection *
-bfd_make_section_old_way PARAMS ((bfd *, CONST char *name));
+bfd_make_section_old_way PARAMS ((bfd *abfd, CONST char *name));
-asection *
+asection *
+bfd_make_section_anyway PARAMS ((bfd *abfd, CONST char *name));
+
+asection *
bfd_make_section PARAMS ((bfd *, CONST char *name));
boolean
-bfd_set_section_flags PARAMS ((bfd *, asection *, flagword));
+bfd_set_section_flags PARAMS ((bfd *abfd, asection *sec, flagword flags));
void
bfd_map_over_sections PARAMS ((bfd *abfd,
PTR obj));
boolean
-bfd_set_section_size PARAMS ((bfd *, asection *, bfd_size_type val));
+bfd_set_section_size PARAMS ((bfd *abfd, asection *sec, bfd_size_type val));
boolean
bfd_set_section_contents
bfd_arch_h8300, /* Hitachi H8/300 */
#define bfd_mach_h8300 1
#define bfd_mach_h8300h 2
+ bfd_arch_powerpc, /* PowerPC */
bfd_arch_rs6000, /* IBM RS/6000 */
bfd_arch_hppa, /* HP PA RISC */
bfd_arch_z8k, /* Zilog Z8000 */
bfd_printable_name PARAMS ((bfd *abfd));
bfd_arch_info_type *
-bfd_scan_arch PARAMS ((CONST char *));
+bfd_scan_arch PARAMS ((CONST char *string));
CONST bfd_arch_info_type *
bfd_arch_get_compatible PARAMS ((
CONST bfd *bbfd));
void
-bfd_set_arch_info PARAMS ((bfd *, bfd_arch_info_type *));
+bfd_set_arch_info PARAMS ((bfd *abfd, bfd_arch_info_type *arg));
enum bfd_architecture
bfd_get_arch PARAMS ((bfd *abfd));
bfd_arch_bits_per_address PARAMS ((bfd *abfd));
bfd_arch_info_type *
-bfd_get_arch_info PARAMS ((bfd *));
+bfd_get_arch_info PARAMS ((bfd *abfd));
bfd_arch_info_type *
bfd_lookup_arch
arch,
long machine));
-CONST char *
+CONST char *
bfd_printable_arch_mach
PARAMS ((enum bfd_architecture arch, unsigned long machine));
/* Used by special functions */
bfd_reloc_continue,
- /* Unused */
+ /* Unsupported relocation size requested. */
bfd_reloc_notsupported,
- /* Unsupported relocation size requested. */
+ /* Unused */
bfd_reloc_other,
/* The symbol to relocate against was undefined. */
/* The relocation was performed, but may not be ok - presently
generated only when linking i960 coff files with i960 b.out
- symbols. */
+ symbols. If this type is returned, the error_message argument
+ to bfd_perform_relocation will be set. */
bfd_reloc_dangerous
}
bfd_reloc_status_type;
bfd_vma addend;
/* Pointer to how to perform the required relocation */
- CONST struct reloc_howto_struct *howto;
+ const struct reloc_howto_struct *howto;
} arelent;
+enum complain_overflow
+{
+ /* Do not complain on overflow. */
+ complain_overflow_dont,
-typedef CONST struct reloc_howto_struct
+ /* Complain if the bitfield overflows, whether it is considered
+ as signed or unsigned. */
+ complain_overflow_bitfield,
+
+ /* Complain if the value overflows when considered as signed
+ number. */
+ complain_overflow_signed,
+
+ /* Complain if the value overflows when considered as an
+ unsigned number. */
+ complain_overflow_unsigned
+};
+
+typedef struct reloc_howto_struct
{
/* The type field has mainly a documetary use - the back end can
- to what it wants with it, though the normally the back end's
- external idea of what a reloc number would be would be stored
- in this field. For example, the a PC relative word relocation
- in a coff environment would have the type 023 - because that's
+ do what it wants with it, though normally the back end's
+ external idea of what a reloc number is stored
+ in this field. For example, a PC relative word relocation
+ in a coff environment has the type 023 - because that's
what the outside world calls a R_PCRWORD reloc. */
unsigned int type;
unwanted data from the relocation. */
unsigned int rightshift;
- /* The size of the item to be relocated - 0, is one byte, 1 is 2
- bytes, 2 is four bytes. A negative value indicates that the
- result is to be subtracted from the data. */
+ /* The size of the item to be relocated. This is *not* a
+ power-of-two measure. To get the number of bytes operated
+ on by a type of relocation, use bfd_get_reloc_size. */
int size;
- /* Now obsolete? But m68k-coff still uses it... */
+ /* The number of bits in the item to be relocated. This is used
+ when doing overflow checking. */
unsigned int bitsize;
/* Notes that the relocation is relative to the location in the
being relocated. */
boolean pc_relative;
+ /* The bit position of the reloc value in the destination.
+ The relocated value is left shifted by this amount. */
unsigned int bitpos;
- /* Now obsolete */
- boolean absolute;
-
- /* Causes the relocation routine to return an error if overflow
- is detected when relocating. */
- boolean complain_on_overflow;
+ /* What type of overflow error should be checked for when
+ relocating. */
+ enum complain_overflow complain_on_overflow;
/* If this field is non null, then the supplied function is
called rather than the normal function. This allows really
struct symbol_cache_entry *symbol,
PTR data,
asection *input_section,
- bfd *output_bfd));
+ bfd *output_bfd,
+ char **error_message));
/* The textual name of the relocation type. */
char *name;
relocations rather than the data - this flag signals this.*/
boolean partial_inplace;
- /* The src_mask is used to select what parts of the read in data
+ /* The src_mask selects which parts of the read in data
are to be used in the relocation sum. E.g., if this was an 8 bit
bit of data which we read and relocated, this would be
0x000000ff. When we have relocs which have an addend, such as
the mask would be 0x00000000. */
bfd_vma src_mask;
- /* The dst_mask is what parts of the instruction are replaced
+ /* The dst_mask selects which parts of the instruction are replaced
into the instruction. In most cases src_mask == dst_mask,
except in the above special case, where dst_mask would be
0x000000ff, and src_mask would be 0x00000000. */
slot of the instruction, so that a PC relative relocation can
be made just by adding in an ordinary offset (e.g., sun3 a.out).
Some formats leave the displacement part of an instruction
- empty (e.g., m88k bcs), this flag signals the fact.*/
+ empty (e.g., m88k bcs); this flag signals the fact.*/
boolean pcrel_offset;
} reloc_howto_type;
-#define HOWTO(C, R,S,B, P, BI, ABS, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC) \
- {(unsigned)C,R,S,B, P, BI, ABS,O,SF,NAME,INPLACE,MASKSRC,MASKDST,PC}
-#define NEWHOWTO( FUNCTION, NAME,SIZE,REL,IN) HOWTO(0,0,SIZE,0,REL,0,false,false,FUNCTION, NAME,false,0,0,IN)
+#define HOWTO(C, R,S,B, P, BI, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC) \
+ {(unsigned)C,R,S,B, P, BI, O,SF,NAME,INPLACE,MASKSRC,MASKDST,PC}
+#define NEWHOWTO( FUNCTION, NAME,SIZE,REL,IN) HOWTO(0,0,SIZE,0,REL,0,complain_overflow_dont,FUNCTION, NAME,false,0,0,IN)
#define HOWTO_PREPARE(relocation, symbol) \
{ \
} \
} \
}
+int
+bfd_get_reloc_size PARAMS ((const reloc_howto_type *));
+
typedef unsigned char bfd_byte;
typedef struct relent_chain {
bfd_reloc_status_type
bfd_perform_relocation
- PARAMS ((bfd * abfd,
+ PARAMS ((bfd *abfd,
arelent *reloc_entry,
PTR data,
asection *input_section,
- bfd *output_bfd));
+ bfd *output_bfd,
+ char **error_message));
typedef enum bfd_reloc_code_real
-
{
- /* 16 bits wide, simple reloc */
+ /* Basic absolute relocations */
+ BFD_RELOC_64,
+ BFD_RELOC_32,
BFD_RELOC_16,
-
- /* 8 bits wide, but used to form an address like 0xffnn */
- BFD_RELOC_8_FFnn,
-
- /* 8 bits wide, simple */
+ BFD_RELOC_14,
BFD_RELOC_8,
- /* 8 bits wide, pc relative */
+ /* PC-relative relocations */
+ BFD_RELOC_64_PCREL,
+ BFD_RELOC_32_PCREL,
+ BFD_RELOC_24_PCREL, /* used by i960 */
+ BFD_RELOC_16_PCREL,
BFD_RELOC_8_PCREL,
- /* The type of reloc used to build a contructor table - at the
- moment probably a 32 bit wide abs address, but the cpu can
- choose. */
+ /* Linkage-table relative */
+ BFD_RELOC_32_BASEREL,
+ BFD_RELOC_16_BASEREL,
+ BFD_RELOC_8_BASEREL,
+ /* The type of reloc used to build a contructor table - at the moment
+ probably a 32 bit wide abs address, but the cpu can choose. */
BFD_RELOC_CTOR,
- /* 32 bits wide, simple reloc */
- BFD_RELOC_32,
- /* 32 bits, PC-relative */
- BFD_RELOC_32_PCREL,
+ /* 8 bits wide, but used to form an address like 0xffnn */
+ BFD_RELOC_8_FFnn,
+
+ /* 32-bit pc-relative, shifted right 2 bits (i.e., 30-bit
+ word displacement, e.g. for SPARC) */
+ BFD_RELOC_32_PCREL_S2,
+ /* signed 16-bit pc-relative, shifted right 2 bits (e.g. for MIPS) */
+ BFD_RELOC_16_PCREL_S2,
+ /* this is used on the Alpha */
+ BFD_RELOC_23_PCREL_S2,
- /* High 22 bits of 32-bit value; simple reloc. */
+ /* High 22 bits of 32-bit value, placed into lower 22 bits of
+ target word; simple reloc. */
BFD_RELOC_HI22,
- /* Low 10 bits. */
+ /* Low 10 bits. */
BFD_RELOC_LO10,
- /* Reloc types used for i960/b.out. */
- BFD_RELOC_24_PCREL,
- BFD_RELOC_I960_CALLJ,
+ /* For systems that allocate a Global Pointer register, these are
+ displacements off that register. These relocation types are
+ handled specially, because the value the register will have is
+ decided relatively late. */
+ BFD_RELOC_GPREL16,
+ BFD_RELOC_GPREL32,
- BFD_RELOC_16_PCREL,
- /* 32-bit pc-relative, shifted right 2 bits (i.e., 30-bit
- word displacement, e.g. for SPARC) */
- BFD_RELOC_32_PCREL_S2,
+ /* Reloc types used for i960/b.out. */
+ BFD_RELOC_I960_CALLJ,
/* now for the sparc/elf codes */
BFD_RELOC_NONE, /* actually used */
BFD_RELOC_SPARC_WDISP22,
BFD_RELOC_SPARC22,
BFD_RELOC_SPARC13,
- BFD_RELOC_SPARC_BASE13,
BFD_RELOC_SPARC_GOT10,
BFD_RELOC_SPARC_GOT13,
BFD_RELOC_SPARC_GOT22,
BFD_RELOC_SPARC_RELATIVE,
BFD_RELOC_SPARC_UA32,
- /* this one is a.out specific? */
+ /* these are a.out specific? */
+ BFD_RELOC_SPARC_BASE13,
BFD_RELOC_SPARC_BASE22,
- /* Bits 27..2 of the relocation address shifted right 2 bits;
- simple reloc otherwise. */
+ /* start-sanitize-v9 */
+ BFD_RELOC_SPARC_10,
+ BFD_RELOC_SPARC_11,
+#define BFD_RELOC_SPARC_64 BFD_RELOC_64
+ BFD_RELOC_SPARC_OLO10,
+ BFD_RELOC_SPARC_HH22,
+ BFD_RELOC_SPARC_HM10,
+ BFD_RELOC_SPARC_LM22,
+ BFD_RELOC_SPARC_PC_HH22,
+ BFD_RELOC_SPARC_PC_HM10,
+ BFD_RELOC_SPARC_PC_LM22,
+ BFD_RELOC_SPARC_WDISP16,
+ BFD_RELOC_SPARC_WDISP19,
+ BFD_RELOC_SPARC_GLOB_JMP,
+ BFD_RELOC_SPARC_LO7,
+ /* end-sanitize-v9 */
+
+ /* Alpha ECOFF relocations. Some of these treat the symbol or "addend"
+ in some special way. */
+ /* For GPDISP_HI16 ("gpdisp") relocations, the symbol is ignored when
+ writing; when reading, it will be the absolute section symbol. The
+ addend is the displacement in bytes of the "lda" instruction from
+ the "ldah" instruction (which is at the address of this reloc). */
+ BFD_RELOC_ALPHA_GPDISP_HI16,
+ /* For GPDISP_LO16 ("ignore") relocations, the symbol is handled as
+ with GPDISP_HI16 relocs. The addend is ignored when writing the
+ relocations out, and is filled in with the file's GP value on
+ reading, for convenience. */
+ BFD_RELOC_ALPHA_GPDISP_LO16,
+
+ /* The Alpha LITERAL/LITUSE relocs are produced by a symbol reference;
+ the assembler turns it into a LDQ instruction to load the address of
+ the symbol, and then fills in a register in the real instruction.
+
+ The LITERAL reloc, at the LDQ instruction, refers to the .lita
+ section symbol. The addend is ignored when writing, but is filled
+ in with the file's GP value on reading, for convenience, as with the
+ GPDISP_LO16 reloc.
+
+ The LITUSE reloc, on the instruction using the loaded address, gives
+ information to the linker that it might be able to use to optimize
+ away some literal section references. The symbol is ignored (read
+ as the absolute section symbol), and the "addend" indicates the type
+ of instruction using the register:
+ 1 - "memory" fmt insn
+ 2 - byte-manipulation (byte offset reg)
+ 3 - jsr (target of branch)
+
+ The GNU linker currently doesn't do any of this optimizing. */
+ BFD_RELOC_ALPHA_LITERAL,
+ BFD_RELOC_ALPHA_LITUSE,
+
+ /* The HINT relocation indicates a value that should be filled into the
+ "hint" field of a jmp/jsr/ret instruction, for possible branch-
+ prediction logic which may be provided on some processors. */
+ BFD_RELOC_ALPHA_HINT,
+
+ /* Bits 27..2 of the relocation address shifted right 2 bits;
+ simple reloc otherwise. */
BFD_RELOC_MIPS_JMP,
- /* signed 16-bit pc-relative, shifted right 2 bits (e.g. for MIPS) */
- BFD_RELOC_16_PCREL_S2,
-
- /* High 16 bits of 32-bit value; simple reloc. */
+ /* High 16 bits of 32-bit value; simple reloc. */
BFD_RELOC_HI16,
- /* High 16 bits of 32-bit value but the low 16 bits will be sign
- extended and added to form the final result. If the low 16
- bits form a negative number, we need to add one to the high value
- to compensate for the borrow when the low bits are added. */
+ /* High 16 bits of 32-bit value but the low 16 bits will be sign
+ extended and added to form the final result. If the low 16
+ bits form a negative number, we need to add one to the high value
+ to compensate for the borrow when the low bits are added. */
BFD_RELOC_HI16_S,
- /* Low 16 bits. */
+ /* Low 16 bits. */
BFD_RELOC_LO16,
- /* 16 bit relocation relative to the global pointer. */
- BFD_RELOC_MIPS_GPREL,
+ /* relocation relative to the global pointer. */
+#define BFD_RELOC_MIPS_GPREL BFD_RELOC_GPREL16
+
+ /* Relocation against a MIPS literal section. */
+ BFD_RELOC_MIPS_LITERAL,
- /* These are, so far, specific to HPPA processors. I'm not sure that
- some don't duplicate other reloc types, such as BFD_RELOC_32 and
- _32_PCREL. Also, many more were in the list I got that don't
- fit in well in the model BFD uses, so I've omitted them for now.
- If we do make this reloc type get used for code that really does
- implement the funky reloc types, they'll have to be added to this
- list. */
+ /* MIPS ELF relocations. */
+ BFD_RELOC_MIPS_GOT16,
+ BFD_RELOC_MIPS_CALL16,
+#define BFD_RELOC_MIPS_GPREL32 BFD_RELOC_GPREL32
+
+ /* These are, so far, specific to HPPA processors. I'm not sure that some
+ don't duplicate other reloc types, such as BFD_RELOC_32 and _32_PCREL.
+ Also, many more were in the list I got that don't fit in well in the
+ model BFD uses, so I've omitted them for now. If we do make this reloc
+ type get used for code that really does implement the funky reloc types,
+ they'll have to be added to this list. */
BFD_RELOC_HPPA_32,
BFD_RELOC_HPPA_11,
BFD_RELOC_HPPA_14,
BFD_RELOC_HPPA_17,
+
BFD_RELOC_HPPA_L21,
BFD_RELOC_HPPA_R11,
BFD_RELOC_HPPA_R14,
BFD_RELOC_HPPA_LR21,
BFD_RELOC_HPPA_RR14,
BFD_RELOC_HPPA_RR17,
+
BFD_RELOC_HPPA_GOTOFF_11,
BFD_RELOC_HPPA_GOTOFF_14,
BFD_RELOC_HPPA_GOTOFF_L21,
BFD_RELOC_HPPA_GOTOFF_RD14,
BFD_RELOC_HPPA_GOTOFF_LR21,
BFD_RELOC_HPPA_GOTOFF_RR14,
+
BFD_RELOC_HPPA_DLT_32,
BFD_RELOC_HPPA_DLT_11,
BFD_RELOC_HPPA_DLT_14,
BFD_RELOC_HPPA_DLT_L21,
BFD_RELOC_HPPA_DLT_R11,
BFD_RELOC_HPPA_DLT_R14,
+
BFD_RELOC_HPPA_ABS_CALL_11,
BFD_RELOC_HPPA_ABS_CALL_14,
BFD_RELOC_HPPA_ABS_CALL_17,
BFD_RELOC_HPPA_ABS_CALL_LR21,
BFD_RELOC_HPPA_ABS_CALL_RR14,
BFD_RELOC_HPPA_ABS_CALL_RR17,
+
BFD_RELOC_HPPA_PCREL_CALL_11,
BFD_RELOC_HPPA_PCREL_CALL_12,
BFD_RELOC_HPPA_PCREL_CALL_14,
BFD_RELOC_HPPA_PCREL_CALL_LR21,
BFD_RELOC_HPPA_PCREL_CALL_RR14,
BFD_RELOC_HPPA_PCREL_CALL_RR17,
+
BFD_RELOC_HPPA_PLABEL_32,
BFD_RELOC_HPPA_PLABEL_11,
BFD_RELOC_HPPA_PLABEL_14,
BFD_RELOC_HPPA_PLABEL_L21,
BFD_RELOC_HPPA_PLABEL_R11,
BFD_RELOC_HPPA_PLABEL_R14,
+
BFD_RELOC_HPPA_UNWIND_ENTRY,
BFD_RELOC_HPPA_UNWIND_ENTRIES,
+ /* i386/elf relocations */
+ BFD_RELOC_386_GOT32,
+ BFD_RELOC_386_PLT32,
+ BFD_RELOC_386_COPY,
+ BFD_RELOC_386_GLOB_DAT,
+ BFD_RELOC_386_JUMP_SLOT,
+ BFD_RELOC_386_RELATIVE,
+ BFD_RELOC_386_GOTOFF,
+ BFD_RELOC_386_GOTPC,
+
+ /* PowerPC/POWER (RS/6000) relocs. */
+ /* 26 bit relative branch. Low two bits must be zero. High 24
+ bits installed in bits 6 through 29 of instruction. */
+ BFD_RELOC_PPC_B26,
+ /* 26 bit absolute branch, like BFD_RELOC_PPC_B26 but absolute. */
+ BFD_RELOC_PPC_BA26,
+ /* 16 bit TOC relative reference. */
+ BFD_RELOC_PPC_TOC16,
+
/* this must be the highest numeric value */
BFD_RELOC_UNUSED
} bfd_reloc_code_real_type;
-CONST struct reloc_howto_struct *
+const struct reloc_howto_struct *
bfd_reloc_type_lookup PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
+
typedef struct symbol_cache_entry
{
/* A pointer to the BFD which owns the symbol. This information
struct _bfd *the_bfd; /* Use bfd_asymbol_bfd(sym) to access this field. */
- /* The text of the symbol. The name is left alone, and not copied - the
+ /* The text of the symbol. The name is left alone, and not copied; the
application may not alter it. */
CONST char *name;
value is the offset into the section of the data. */
#define BSF_GLOBAL 0x02
- /* The symbol has global scope, and is exported. The value is
+ /* The symbol has global scope and is exported. The value is
the offset into the section of the data. */
-#define BSF_EXPORT 0x04
+#define BSF_EXPORT BSF_GLOBAL /* no real difference */
/* A normal C symbol would be one of:
<<BSF_LOCAL>>, <<BSF_FORT_COMM>>, <<BSF_UNDEFINED>> or
- <<BSF_EXPORT|BSD_GLOBAL>> */
+ <<BSF_GLOBAL>> */
/* The symbol is a debugging record. The value has an arbitary
meaning. */
#define BSF_KEEP 0x20
#define BSF_KEEP_G 0x40
- /* ... document me ... */
+ /* A weak global symbol, overridable without warnings by
+ a regular global symbol of the same name. */
#define BSF_WEAK 0x80
/* This symbol was created to point to a section, e.g. ELF's
for ELF STT_FILE symbols. */
#define BSF_FILE 0x4000
+ /* Symbol is from dynamic linking information. */
+#define BSF_DYNAMIC 0x8000
+
flagword flags;
/* A pointer to the section to which this symbol is
BFD_SEND (abfd, _bfd_canonicalize_symtab,\
(abfd, location))
boolean
-bfd_set_symtab PARAMS ((bfd *, asymbol **, unsigned int ));
+bfd_set_symtab PARAMS ((bfd *abfd, asymbol **location, unsigned int count));
void
bfd_print_symbol_vandf PARAMS ((PTR file, asymbol *symbol));
is the result of an fopen on the filename. */
char *iostream;
- /* Is the file being cached */
+ /* Is the file descriptor being cached? That is, can it be closed as
+ needed, and re-opened when accessed later? */
boolean cacheable;
/* Marks whether there was a default target specified when the
- BFD was opened. This is used to select what matching algorithm
- to use to chose the back end. */
+ BFD was opened. This is used to select which matching algorithm
+ to use to choose the back end. */
boolean target_defaulted;
struct _bfd *lru_prev, *lru_next;
/* When a file is closed by the caching routines, BFD retains
- state information on the file here:
- */
+ state information on the file here: */
file_ptr where;
- /* and here:*/
+ /* and here: (``once'' means at least once) */
boolean opened_once;
int ifd;
- /* The format which belongs to the BFD.*/
+ /* The format which belongs to the BFD. (object, core, etc.) */
bfd_format format;
file_ptr origin;
/* Remember when output has begun, to stop strange things
- happening. */
+ from happening. */
boolean output_has_begun;
/* Pointer to linked list of sections*/
/* Used for input and output*/
unsigned int symcount;
- /* Symbol table for output BFD*/
+ /* Symbol table for output BFD (with symcount entries) */
struct symbol_cache_entry **outsymbols;
/* Pointer to structure which contains architecture information*/
/* Stuff only useful for archives:*/
PTR arelt_data;
- struct _bfd *my_archive;
- struct _bfd *next;
- struct _bfd *archive_head;
+ struct _bfd *my_archive; /* The containing archive BFD. */
+ struct _bfd *next; /* The next BFD in the archive. */
+ struct _bfd *archive_head; /* The first BFD in the archive. */
boolean has_armap;
+ /* A chain of BFD structures involved in a link. */
+ struct _bfd *link_next;
+
+ /* A field used by _bfd_generic_link_add_archive_symbols. This will
+ be used only for archive elements. */
+ int archive_pass;
+
/* Used by the back end to hold private data. */
union
struct srec_data_struct *srec_data;
struct tekhex_data_struct *tekhex_data;
struct elf_obj_tdata *elf_obj_data;
+ struct nlm_obj_tdata *nlm_obj_data;
struct bout_data_struct *bout_data;
struct sun_core_struct *sun_core_data;
struct trad_core_struct *trad_core_data;
- struct hppa_data_struct *hppa_data;
- struct hppa_core_struct *hppa_core_data;
+ struct som_data_struct *som_data;
+ struct hpux_core_struct *hpux_core_data;
+ struct hppabsd_core_struct *hppabsd_core_data;
struct sgi_core_struct *sgi_core_data;
+ struct lynx_core_struct *lynx_core_data;
+ struct osf_core_struct *osf_core_data;
PTR any;
} tdata;
/* Where all the allocated stuff under this BFD goes */
struct obstack memory;
-
- /* Is this really needed in addition to usrdata? */
- asymbol **ld_symbols;
};
+typedef enum bfd_error
+{
+ bfd_error_no_error = 0,
+ bfd_error_system_call,
+ bfd_error_invalid_target,
+ bfd_error_wrong_format,
+ bfd_error_invalid_operation,
+ bfd_error_no_memory,
+ bfd_error_no_symbols,
+ bfd_error_no_more_archived_files,
+ bfd_error_malformed_archive,
+ bfd_error_file_not_recognized,
+ bfd_error_file_ambiguously_recognized,
+ bfd_error_no_contents,
+ bfd_error_nonrepresentable_section,
+ bfd_error_no_debug_section,
+ bfd_error_bad_value,
+ bfd_error_file_truncated,
+ bfd_error_invalid_error_code
+} bfd_error_type;
+
+bfd_error_type
+bfd_get_error PARAMS ((void));
+
+void
+bfd_set_error PARAMS ((bfd_error_type error_tag));
+
+CONST char *
+bfd_errmsg PARAMS ((bfd_error_type error_tag));
+
+void
+bfd_perror PARAMS ((CONST char *message));
+
unsigned int
bfd_get_reloc_upper_bound PARAMS ((bfd *abfd, asection *sect));
arelent **loc,
asymbol **syms));
-boolean
-bfd_set_file_flags PARAMS ((bfd *abfd, flagword flags));
-
void
bfd_set_reloc
PARAMS ((bfd *abfd, asection *sec, arelent **rel, unsigned int count)
);
boolean
-bfd_set_start_address PARAMS ((bfd *, bfd_vma));
+bfd_set_file_flags PARAMS ((bfd *abfd, flagword flags));
+
+boolean
+bfd_set_start_address PARAMS ((bfd *abfd, bfd_vma vma));
long
-bfd_get_mtime PARAMS ((bfd *));
+bfd_get_mtime PARAMS ((bfd *abfd));
long
-bfd_get_size PARAMS ((bfd *));
+bfd_get_size PARAMS ((bfd *abfd));
int
-bfd_get_gp_size PARAMS ((bfd *));
+bfd_get_gp_size PARAMS ((bfd *abfd));
void
-bfd_set_gp_size PARAMS ((bfd *, int));
+bfd_set_gp_size PARAMS ((bfd *abfd, int i));
+
+bfd_vma
+bfd_scan_vma PARAMS ((CONST char *string, CONST char **end, int base));
#define bfd_sizeof_headers(abfd, reloc) \
BFD_SEND (abfd, _bfd_sizeof_headers, (abfd, reloc))
#define bfd_set_arch_mach(abfd, arch, mach)\
BFD_SEND ( abfd, _bfd_set_arch_mach, (abfd, arch, mach))
-#define bfd_get_relocated_section_contents(abfd, seclet, data, relocateable) \
- BFD_SEND (abfd, _bfd_get_relocated_section_contents, (abfd, seclet, data, relocateable))
+#define bfd_get_relocated_section_contents(abfd, link_info, link_order, data, relocateable, symbols) \
+ BFD_SEND (abfd, _bfd_get_relocated_section_contents, \
+ (abfd, link_info, link_order, data, relocateable, symbols))
-#define bfd_relax_section(abfd, section, symbols) \
- BFD_SEND (abfd, _bfd_relax_section, (abfd, section, symbols))
+#define bfd_relax_section(abfd, section, link_info, symbols) \
+ BFD_SEND (abfd, _bfd_relax_section, \
+ (abfd, section, link_info, symbols))
+
+#define bfd_link_hash_table_create(abfd) \
+ BFD_SEND (abfd, _bfd_link_hash_table_create, (abfd))
+
+#define bfd_link_add_symbols(abfd, info) \
+ BFD_SEND (abfd, _bfd_link_add_symbols, (abfd, info))
+
+#define bfd_final_link(abfd, info) \
+ BFD_SEND (abfd, _bfd_final_link, (abfd, info))
-#define bfd_seclet_link(abfd, data, relocateable) \
- BFD_SEND (abfd, _bfd_seclet_link, (abfd, data, relocateable))
symindex
-bfd_get_next_mapent PARAMS ((bfd *, symindex previous, carsym ** sym));
+bfd_get_next_mapent PARAMS ((bfd *abfd, symindex previous, carsym **sym));
boolean
bfd_set_archive_head PARAMS ((bfd *output, bfd *new_head));
bfd *
-bfd_get_elt_at_index PARAMS ((bfd * archive, int index));
+bfd_get_elt_at_index PARAMS ((bfd *archive, int index));
-bfd*
+bfd *
bfd_openr_next_archived_file PARAMS ((bfd *archive, bfd *previous));
CONST char *
-bfd_core_file_failing_command PARAMS ((bfd *));
+bfd_core_file_failing_command PARAMS ((bfd *abfd));
int
-bfd_core_file_failing_signal PARAMS ((bfd *));
+bfd_core_file_failing_signal PARAMS ((bfd *abfd));
boolean
core_file_matches_executable_p
((*((bfd)->xvec->message)) arglist)
#define BFD_SEND_FMT(bfd, message, arglist) \
(((bfd)->xvec->message[(int)((bfd)->format)]) arglist)
+enum bfd_flavour {
+ bfd_target_unknown_flavour,
+ bfd_target_aout_flavour,
+ bfd_target_coff_flavour,
+ bfd_target_ecoff_flavour,
+ bfd_target_elf_flavour,
+ bfd_target_ieee_flavour,
+ bfd_target_nlm_flavour,
+ bfd_target_oasys_flavour,
+ bfd_target_tekhex_flavour,
+ bfd_target_srec_flavour,
+ bfd_target_som_flavour};
+
+ /* Forward declaration. */
+typedef struct bfd_link_info _bfd_link_info;
+
typedef struct bfd_target
{
char *name;
- enum target_flavour {
- bfd_target_unknown_flavour,
- bfd_target_aout_flavour,
- bfd_target_coff_flavour,
- bfd_target_ecoff_flavour,
- bfd_target_elf_flavour,
- bfd_target_ieee_flavour,
- bfd_target_oasys_flavour,
- bfd_target_tekhex_flavour,
- bfd_target_srec_flavour,
- bfd_target_hppa_flavour} flavour;
+ enum bfd_flavour flavour;
boolean byteorder_big_p;
boolean header_byteorder_big_p;
flagword object_flags;
char ar_pad_char;
unsigned short ar_max_namelen;
unsigned int align_power_min;
- bfd_vma (*bfd_getx64) PARAMS ((bfd_byte *));
- bfd_signed_vma (*bfd_getx_signed_64) PARAMS ((bfd_byte *));
+ bfd_vma (*bfd_getx64) PARAMS ((const bfd_byte *));
+ bfd_signed_vma (*bfd_getx_signed_64) PARAMS ((const bfd_byte *));
void (*bfd_putx64) PARAMS ((bfd_vma, bfd_byte *));
- bfd_vma (*bfd_getx32) PARAMS ((bfd_byte *));
- bfd_signed_vma (*bfd_getx_signed_32) PARAMS ((bfd_byte *));
+ bfd_vma (*bfd_getx32) PARAMS ((const bfd_byte *));
+ bfd_signed_vma (*bfd_getx_signed_32) PARAMS ((const bfd_byte *));
void (*bfd_putx32) PARAMS ((bfd_vma, bfd_byte *));
- bfd_vma (*bfd_getx16) PARAMS ((bfd_byte *));
- bfd_signed_vma (*bfd_getx_signed_16) PARAMS ((bfd_byte *));
+ bfd_vma (*bfd_getx16) PARAMS ((const bfd_byte *));
+ bfd_signed_vma (*bfd_getx_signed_16) PARAMS ((const bfd_byte *));
void (*bfd_putx16) PARAMS ((bfd_vma, bfd_byte *));
- bfd_vma (*bfd_h_getx64) PARAMS ((bfd_byte *));
- bfd_signed_vma (*bfd_h_getx_signed_64) PARAMS ((bfd_byte *));
+ bfd_vma (*bfd_h_getx64) PARAMS ((const bfd_byte *));
+ bfd_signed_vma (*bfd_h_getx_signed_64) PARAMS ((const bfd_byte *));
void (*bfd_h_putx64) PARAMS ((bfd_vma, bfd_byte *));
- bfd_vma (*bfd_h_getx32) PARAMS ((bfd_byte *));
- bfd_signed_vma (*bfd_h_getx_signed_32) PARAMS ((bfd_byte *));
+ bfd_vma (*bfd_h_getx32) PARAMS ((const bfd_byte *));
+ bfd_signed_vma (*bfd_h_getx_signed_32) PARAMS ((const bfd_byte *));
void (*bfd_h_putx32) PARAMS ((bfd_vma, bfd_byte *));
- bfd_vma (*bfd_h_getx16) PARAMS ((bfd_byte *));
- bfd_signed_vma (*bfd_h_getx_signed_16) PARAMS ((bfd_byte *));
+ bfd_vma (*bfd_h_getx16) PARAMS ((const bfd_byte *));
+ bfd_signed_vma (*bfd_h_getx_signed_16) PARAMS ((const bfd_byte *));
void (*bfd_h_putx16) PARAMS ((bfd_vma, bfd_byte *));
struct bfd_target * (*_bfd_check_format[bfd_type_end]) PARAMS ((bfd *));
boolean (*_bfd_set_format[bfd_type_end]) PARAMS ((bfd *));
void (*_bfd_debug_info_accumulate) PARAMS ((bfd *, struct sec *));
bfd_byte * (*_bfd_get_relocated_section_contents) PARAMS ((bfd *,
- struct bfd_seclet *, bfd_byte *data,
- boolean relocateable));
+ struct bfd_link_info *, struct bfd_link_order *,
+ bfd_byte *data, boolean relocateable,
+ struct symbol_cache_entry **));
boolean (*_bfd_relax_section) PARAMS ((bfd *, struct sec *,
- struct symbol_cache_entry **));
+ struct bfd_link_info *, struct symbol_cache_entry **));
- boolean (*_bfd_seclet_link) PARAMS ((bfd *, PTR data,
- boolean relocateable));
/* See documentation on reloc types. */
CONST struct reloc_howto_struct *
(*reloc_type_lookup) PARAMS ((bfd *abfd,
bfd *abfd,
void *ptr,
unsigned long size));
+
+ /* Create a hash table for the linker. Different backends store
+ different information in this table. */
+ struct bfd_link_hash_table *(*_bfd_link_hash_table_create) PARAMS ((bfd *));
+
+ /* Add symbols from this object file into the hash table. */
+ boolean (*_bfd_link_add_symbols) PARAMS ((bfd *, struct bfd_link_info *));
+
+ /* Do a link based on the link_order structures attached to each
+ section of the BFD. */
+ boolean (*_bfd_final_link) PARAMS ((bfd *, struct bfd_link_info *));
+
PTR backend_data;
} bfd_target;
bfd_target *
-bfd_find_target PARAMS ((CONST char *, bfd *));
+bfd_find_target PARAMS ((CONST char *target_name, bfd *abfd));
CONST char **
bfd_target_list PARAMS ((void));
bfd_check_format PARAMS ((bfd *abfd, bfd_format format));
boolean
-bfd_set_format PARAMS ((bfd *, bfd_format));
+bfd_check_format_matches PARAMS ((bfd *abfd, bfd_format format, char ***matching));
+
+boolean
+bfd_set_format PARAMS ((bfd *abfd, bfd_format format));
CONST char *
-bfd_format_string PARAMS ((bfd_format));
+bfd_format_string PARAMS ((bfd_format format));
#endif
projects / deliverable / binutils-gdb.git / blobdiff