+ boolean reloc_done;
+ /* 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;
+} asection ;
+
+
+#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;
+ /* Pointer to the undefined section */
+ extern asection bfd_und_section;
+ /* Pointer to the common section */
+ extern asection bfd_com_section;
+ /* Pointer to the indirect 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;
+#define bfd_get_section_size_before_reloc(section) \
+ (section->reloc_done ? (abort(),1): (section)->_raw_size)
+#define bfd_get_section_size_after_reloc(section) \
+ ((section->reloc_done) ? (section)->_cooked_size: (abort(),1))
+asection *
+bfd_get_section_by_name PARAMS ((bfd *abfd, CONST char *name));
+
+asection *
+bfd_make_section_old_way PARAMS ((bfd *, CONST char *name));
+
+asection *
+bfd_make_section PARAMS ((bfd *, CONST char *name));
+
+boolean
+bfd_set_section_flags PARAMS ((bfd *, asection *, flagword));
+
+void
+bfd_map_over_sections PARAMS ((bfd *abfd,
+ void (*func)(bfd *abfd,
+ asection *sect,
+ PTR obj),
+ PTR obj));
+
+boolean
+bfd_set_section_size PARAMS ((bfd *, asection *, bfd_size_type val));
+
+boolean
+bfd_set_section_contents
+ PARAMS ((bfd *abfd,
+ asection *section,
+ PTR data,
+ file_ptr offset,
+ bfd_size_type count));
+
+boolean
+bfd_get_section_contents
+ PARAMS ((bfd *abfd, asection *section, PTR location,
+ file_ptr offset, bfd_size_type count));
+
+enum bfd_architecture
+{
+ bfd_arch_unknown, /* File arch not known */
+ bfd_arch_obscure, /* Arch known, not one of these */
+ bfd_arch_m68k, /* Motorola 68xxx */
+ bfd_arch_vax, /* DEC Vax */
+ bfd_arch_i960, /* Intel 960 */
+ /* The order of the following is important.
+ lower number indicates a machine type that
+ only accepts a subset of the instructions
+ available to machines with higher numbers.
+ The exception is the "ca", which is
+ incompatible with all other machines except
+ "core". */
+
+#define bfd_mach_i960_core 1
+#define bfd_mach_i960_ka_sa 2
+#define bfd_mach_i960_kb_sb 3
+#define bfd_mach_i960_mc 4
+#define bfd_mach_i960_xa 5
+#define bfd_mach_i960_ca 6
+
+ bfd_arch_a29k, /* AMD 29000 */
+ bfd_arch_sparc, /* SPARC */
+ bfd_arch_mips, /* MIPS Rxxxx */
+ bfd_arch_i386, /* Intel 386 */
+ bfd_arch_we32k, /* AT&T WE32xxx */
+ bfd_arch_tahoe, /* CCI/Harris Tahoe */
+ bfd_arch_i860, /* Intel 860 */
+ bfd_arch_romp, /* IBM ROMP PC/RT */
+ bfd_arch_alliant, /* Alliant */
+ bfd_arch_convex, /* Convex */
+ bfd_arch_m88k, /* Motorola 88xxx */
+ bfd_arch_pyramid, /* Pyramid Technology */
+ bfd_arch_h8300, /* Hitachi H8/300 */
+ bfd_arch_rs6000, /* IBM RS/6000 */
+ bfd_arch_hppa, /* HP PA RISC */
+ bfd_arch_z8k, /* Zilog Z8000 */
+#define bfd_mach_z8001 1
+#define bfd_mach_z8002 2
+ bfd_arch_h8500, /* Hitachi H8/500 */
+ bfd_arch_last
+ };
+
+typedef struct bfd_arch_info
+{
+ int bits_per_word;
+ int bits_per_address;
+ int bits_per_byte;
+ enum bfd_architecture arch;
+ long mach;
+ char *arch_name;
+ CONST char *printable_name;
+ unsigned int section_align_power;
+ /* true if this is the default machine for the architecture */
+ boolean the_default;
+ CONST struct bfd_arch_info * (*compatible)
+ PARAMS ((CONST struct bfd_arch_info *a,
+ CONST struct bfd_arch_info *b));
+
+ boolean (*scan) PARAMS ((CONST struct bfd_arch_info *, CONST char *));
+ /* How to disassemble an instruction, producing a printable
+ representation on a specified stdio stream. This isn't
+ defined for most processors at present, because of the size
+ of the additional tables it would drag in, and because gdb
+ wants to use a different interface. */
+ unsigned int (*disassemble) PARAMS ((bfd_vma addr, CONST char *data,
+ PTR stream));
+
+ struct bfd_arch_info *next;
+} bfd_arch_info_type;
+CONST char *
+bfd_printable_name PARAMS ((bfd *abfd));
+
+bfd_arch_info_type *
+bfd_scan_arch PARAMS ((CONST char *));
+
+CONST bfd_arch_info_type *
+bfd_arch_get_compatible PARAMS ((
+ CONST bfd *abfd,
+ CONST bfd *bbfd));
+
+void
+bfd_set_arch_info PARAMS ((bfd *, bfd_arch_info_type *));
+
+enum bfd_architecture
+bfd_get_arch PARAMS ((bfd *abfd));
+
+unsigned long
+bfd_get_mach PARAMS ((bfd *abfd));
+
+unsigned int
+bfd_arch_bits_per_byte PARAMS ((bfd *abfd));
+
+unsigned int
+bfd_arch_bits_per_address PARAMS ((bfd *abfd));
+
+bfd_arch_info_type *
+bfd_get_arch_info PARAMS ((bfd *));
+
+bfd_arch_info_type *
+bfd_lookup_arch
+ PARAMS ((enum bfd_architecture
+ arch,
+ long machine));
+
+CONST char *
+bfd_printable_arch_mach
+ PARAMS ((enum bfd_architecture arch, unsigned long machine));
+
+typedef enum bfd_reloc_status
+{
+ /* No errors detected */
+ bfd_reloc_ok,
+
+ /* The relocation was performed, but there was an overflow. */
+ bfd_reloc_overflow,
+
+ /* The address to relocate was not within the section supplied*/
+ bfd_reloc_outofrange,
+
+ /* Used by special functions */
+ bfd_reloc_continue,
+
+ /* Unused */
+ bfd_reloc_notsupported,
+
+ /* Unsupported relocation size requested. */
+ bfd_reloc_other,
+
+ /* The symbol to relocate against was undefined.*/
+ bfd_reloc_undefined,
+
+ /* The relocation was performed, but may not be ok - presently
+ generated only when linking i960 coff files with i960 b.out
+ symbols. */
+ bfd_reloc_dangerous
+ }
+ bfd_reloc_status_type;
+
+
+typedef struct reloc_cache_entry
+{
+ /* A pointer into the canonical table of pointers */
+ struct symbol_cache_entry **sym_ptr_ptr;
+
+ /* offset in section */
+ rawdata_offset address;
+
+ /* addend for relocation value */
+ bfd_vma addend;
+
+ /* Pointer to how to perform the required relocation */
+ CONST struct reloc_howto_struct *howto;
+
+} arelent;
+
+typedef CONST 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
+ what the outside world calls a R_PCRWORD reloc. */
+ unsigned int type;
+
+ /* The value the final relocation is shifted right by. This drops
+ 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. */
+ int size;
+
+ /* Now obsolete? But m68k-coff still uses it... */
+ unsigned int bitsize;
+
+ /* Notes that the relocation is relative to the location in the
+ data section of the addend. The relocation function will
+ subtract from the relocation value the address of the location
+ being relocated. */
+ boolean pc_relative;
+
+ 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;
+
+ /* If this field is non null, then the supplied function is
+ called rather than the normal function. This allows really
+ strange relocation methods to be accomodated (e.g., i960 callj
+ instructions). */
+ bfd_reloc_status_type (*special_function)
+ PARAMS ((bfd *abfd,
+ arelent *reloc_entry,
+ struct symbol_cache_entry *symbol,
+ PTR data,
+ asection *input_section,
+ bfd *output_bfd));
+
+ /* The textual name of the relocation type. */
+ char *name;
+
+ /* When performing a partial link, some formats must modify the
+ 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
+ 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
+ sun4 extended relocs, the value in the offset part of a
+ relocating field is garbage so we never use it. In this case
+ the mask would be 0x00000000. */
+ bfd_word src_mask;
+
+ /* The dst_mask is what 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. */
+ bfd_word dst_mask;
+
+ /* When some formats create PC relative instructions, they leave
+ the value of the pc of the place being relocated in the offset
+ 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.*/
+ 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_PREPARE(relocation, symbol) \
+ { \
+ if (symbol != (asymbol *)NULL) { \
+ if (bfd_is_com_section (symbol->section)) { \
+ relocation = 0; \
+ } \
+ else { \
+ relocation = symbol->value; \
+ } \
+ } \
+}
+typedef unsigned char bfd_byte;
+
+typedef struct relent_chain {
+ arelent relent;
+ struct relent_chain *next;
+} arelent_chain;
+bfd_reloc_status_type
+
+bfd_perform_relocation
+ PARAMS ((bfd * abfd,
+ arelent *reloc_entry,
+ PTR data,
+ asection *input_section,
+ bfd *output_bfd));
+
+typedef enum bfd_reloc_code_real
+
+{
+ /* 16 bits wide, simple reloc */
+ BFD_RELOC_16,
+
+ /* 8 bits wide, but used to form an address like 0xffnn */
+ BFD_RELOC_8_FFnn,
+
+ /* 8 bits wide, simple */
+ BFD_RELOC_8,
+
+ /* 8 bits wide, pc relative */
+ 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. */
+
+ BFD_RELOC_CTOR,
+
+ /* 32 bits wide, simple reloc */
+ BFD_RELOC_32,
+ /* 32 bits, PC-relative */
+ BFD_RELOC_32_PCREL,
+
+ /* High 22 bits of 32-bit value; simple reloc. */
+ BFD_RELOC_HI22,
+ /* Low 10 bits. */
+ BFD_RELOC_LO10,
+
+ /* Reloc types used for i960/b.out. */
+ BFD_RELOC_24_PCREL,
+ BFD_RELOC_I960_CALLJ,
+
+ 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,
+
+ /* 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_PC10,
+ BFD_RELOC_SPARC_PC22,
+ BFD_RELOC_SPARC_WPLT30,
+ BFD_RELOC_SPARC_COPY,
+ BFD_RELOC_SPARC_GLOB_DAT,
+ BFD_RELOC_SPARC_JMP_SLOT,
+ BFD_RELOC_SPARC_RELATIVE,
+ BFD_RELOC_SPARC_UA32,
+
+ /* this one is a.out specific? */
+ BFD_RELOC_SPARC_BASE22,
+
+ /* 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. */
+ 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. */
+ BFD_RELOC_HI16_S,
+ /* Low 16 bits. */
+ BFD_RELOC_LO16,
+
+ /* this must be the highest numeric value */
+ BFD_RELOC_UNUSED
+ } bfd_reloc_code_real_type;
+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
+ is necessary so that a back end can work out what additional
+ information (invisible to the application writer) is carried
+ with the symbol.
+
+ This field is *almost* redundant, since you can use section->owner
+ instead, except that some symbols point to the global sections
+ bfd_{abs,com,und}_section. This could be fixed by making
+ these globals be per-bfd (or per-target-flavor). FIXME. */
+
+ 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
+ application may not alter it. */
+ CONST char *name;
+
+ /* The value of the symbol.*/
+ symvalue value;
+
+ /* Attributes of a symbol: */
+
+#define BSF_NO_FLAGS 0x00
+
+ /* The symbol has local scope; <<static>> in <<C>>. The value
+ is the offset into the section of the data. */
+#define BSF_LOCAL 0x01
+
+ /* The symbol has global scope; initialized data in <<C>>. The
+ value is the offset into the section of the data. */
+#define BSF_GLOBAL 0x02
+
+ /* Obsolete; should be deleted? */
+#define BSF_IMPORT 0x04
+
+ /* The symbol has global scope, and is exported. The value is
+ the offset into the section of the data. */
+#define BSF_EXPORT 0x08
+
+ /* The symbol is undefined. <<extern>> in <<C>>. The value has
+ no meaning. Obsolete; should be deleted? */
+#define BSF_UNDEFINED_OBS 0x10
+
+ /* The symbol is common, initialized to zero; default in
+ <<C>>. The value is the size of the object in bytes. */
+#define BSF_FORT_COMM_OBS 0x20
+
+ /* A normal C symbol would be one of:
+ <<BSF_LOCAL>>, <<BSF_FORT_COMM>>, <<BSF_UNDEFINED>> or
+ <<BSF_EXPORT|BSD_GLOBAL>> */
+
+ /* The symbol is a debugging record. The value has an arbitary
+ meaning. */
+#define BSF_DEBUGGING 0x40
+
+ /* Used by the linker. */
+#define BSF_KEEP 0x10000
+#define BSF_KEEP_G 0x80000
+
+ /* Unused; should be deleted? */
+#define BSF_WEAK 0x100000
+#define BSF_CTOR 0x200000
+
+ /* This symbol was created to point to a section, e.g. ELF's
+ STT_SECTION symbols. */
+#define BSF_SECTION_SYM 0x400000
+
+ /* The symbol used to be a common symbol, but now it is
+ allocated. */
+#define BSF_OLD_COMMON 0x800000
+
+ /* The default value for common data. */
+#define BFD_FORT_COMM_DEFAULT_VALUE 0
+
+ /* In some files the type of a symbol sometimes alters its
+ location in an output file - ie in coff a <<ISFCN>> symbol
+ which is also <<C_EXT>> symbol appears where it was
+ declared and not at the end of a section. This bit is set
+ by the target BFD part to convey this information. */
+
+#define BSF_NOT_AT_END 0x40000
+
+ /* Signal that the symbol is the label of constructor section. */
+#define BSF_CONSTRUCTOR 0x1000000
+
+ /* Signal that the symbol is a warning symbol. If the symbol
+ is a warning symbol, then the value field (I know this is
+ tacky) will point to the asymbol which when referenced will
+ cause the warning. */
+#define BSF_WARNING 0x2000000
+
+ /* Signal that the symbol is indirect. The value of the symbol
+ is a pointer to an undefined asymbol which contains the
+ name to use instead. */
+#define BSF_INDIRECT 0x4000000
+
+ /* BSF_FILE marks symbols that contain a file name. This is used
+ for ELF STT_FILE symbols. */
+#define BSF_FILE 0x08000000
+
+ flagword flags;
+
+ /* A pointer to the section to which this symbol is
+ relative. This will always be non NULL, there are special
+ sections for undefined and absolute symbols */
+ struct sec *section;
+
+ /* Back end special data. This is being phased out in favour
+ of making this a union. */
+ PTR udata;
+
+} asymbol;