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 */
#define bfd_get_filename(abfd) ((char *) (abfd)->filename)
#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)
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.
+ 0 : one byte
+ 1 : two bytes
+ 2 : four bytes
+ 3 : nothing done (unless special_function is nonzero)
+ 4 : eight bytes
+ -2 : two bytes, result should be subtracted from the
+ data instead of added
+ There is currently no trivial way to extract a "number of
+ bytes" from a howto pointer. */
int size;
/* The number of bits in the item to be relocated. This is used
bfd *output_bfd));
typedef enum bfd_reloc_code_real
-
{
- /* 64 bits wide, simple reloc */
+ /* Basic absolute relocations */
BFD_RELOC_64,
- /* 64 bits, PC-relative */
- BFD_RELOC_64_PCREL,
-
- /* 32 bits wide, simple reloc */
BFD_RELOC_32,
- /* 32 bits, PC-relative */
- BFD_RELOC_32_PCREL,
-
- /* 16 bits wide, simple reloc */
BFD_RELOC_16,
- /* 16 bits, PC-relative */
- BFD_RELOC_16_PCREL,
-
- /* 8 bits wide, simple */
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,
- /* 8 bits wide, but used to form an address like 0xffnn */
- BFD_RELOC_8_FFnn,
+
+ /* 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,
- /* High 22 bits of 32-bit value; simple reloc. */
+ /* 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,
+
+ /* High 22 bits of 32-bit value, placed into lower 22 bits of
+ target word; 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,
- /* 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,
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 som_data_struct *som_data;
struct hpux_core_struct *hpux_core_data;
struct sgi_core_struct *sgi_core_data;
struct lynx_core_struct *lynx_core_data;
((*((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};
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_nlm_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;
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