@example
+enum bfd_direction
+ @{
+ no_direction = 0,
+ read_direction = 1,
+ write_direction = 2,
+ both_direction = 3
+ @};
+
struct bfd
@{
/* A unique identifier of the BFD */
void *iostream;
const struct bfd_iovec *iovec;
- /* Is the file descriptor being cached? That is, can it be closed as
- needed, and re-opened when accessed later? */
- bfd_boolean cacheable;
-
- /* Marks whether there was a default target specified when the
- BFD was opened. This is used to select which matching algorithm
- to use to choose the back end. */
- bfd_boolean target_defaulted;
-
/* The caching routines use these to maintain a
least-recently-used list of BFDs. */
struct bfd *lru_prev, *lru_next;
state information on the file here... */
ufile_ptr where;
- /* ... and here: (``once'' means at least once). */
- bfd_boolean opened_once;
-
- /* Set if we have a locally maintained mtime value, rather than
- getting it from the file each time. */
- bfd_boolean mtime_set;
-
/* File modified time, if mtime_set is TRUE. */
long mtime;
bfd_format format;
/* The direction with which the BFD was opened. */
- enum bfd_direction
- @{
- no_direction = 0,
- read_direction = 1,
- write_direction = 2,
- both_direction = 3
- @}
- direction;
+ enum bfd_direction direction;
/* Format_specific flags. */
flagword flags;
+ /* 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). */
+
+#define BFD_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) (sometimes bfd_relax_section can do something even if
+ this is not set). */
+#define BFD_IS_RELAXABLE 0x200
+
+ /* This may be set before writing out a BFD to request using a
+ traditional format. For example, this is used to request that when
+ writing out an a.out object the symbols not be hashed to eliminate
+ duplicates. */
+#define BFD_TRADITIONAL_FORMAT 0x400
+
+ /* This flag indicates that the BFD contents are actually cached
+ in memory. If this is set, iostream points to a bfd_in_memory
+ struct. */
+#define BFD_IN_MEMORY 0x800
+
+ /* The sections in this BFD specify a memory page. */
+#define HAS_LOAD_PAGE 0x1000
+
+ /* This BFD has been created by the linker and doesn't correspond
+ to any input file. */
+#define BFD_LINKER_CREATED 0x2000
+
+ /* This may be set before writing out a BFD to request that it
+ be written using values for UIDs, GIDs, timestamps, etc. that
+ will be consistent from run to run. */
+#define BFD_DETERMINISTIC_OUTPUT 0x4000
+
/* Currently my_archive is tested before adding origin to
anything. I believe that this can become always an add of
origin, with origin set to 0 for non archive files. */
ufile_ptr origin;
- /* Remember when output has begun, to stop strange things
- from happening. */
- bfd_boolean output_has_begun;
+ /* The origin in the archive of the proxy entry. This will
+ normally be the same as origin, except for thin archives,
+ when it will contain the current offset of the proxy in the
+ thin archive rather than the offset of the bfd in its actual
+ container. */
+ ufile_ptr proxy_origin;
/* A hash table for section names. */
struct bfd_hash_table section_htab;
/* Used for input and output. */
unsigned int symcount;
- /* Symbol table for output BFD (with symcount entries). */
+ /* Symbol table for output BFD (with symcount entries).
+ Also used by the linker to cache input BFD symbols. */
struct bfd_symbol **outsymbols;
/* Used for slurped dynamic symbol tables. */
/* Pointer to structure which contains architecture information. */
const struct bfd_arch_info *arch_info;
- /* Flag set if symbols from this BFD should not be exported. */
- bfd_boolean no_export;
-
/* Stuff only useful for archives. */
void *arelt_data;
struct bfd *my_archive; /* The containing archive BFD. */
struct bfd *archive_next; /* The next BFD in the archive. */
struct bfd *archive_head; /* The first BFD in the archive. */
- bfd_boolean has_armap;
+ struct bfd *nested_archives; /* List of nested archive in a flattened
+ thin archive. */
/* A chain of BFD structures involved in a link. */
struct bfd *link_next;
struct ieee_data_struct *ieee_data;
struct ieee_ar_data_struct *ieee_ar_data;
struct srec_data_struct *srec_data;
+ struct verilog_data_struct *verilog_data;
struct ihex_data_struct *ihex_data;
struct tekhex_data_struct *tekhex_data;
struct elf_obj_tdata *elf_obj_data;
struct netbsd_core_struct *netbsd_core_data;
struct mach_o_data_struct *mach_o_data;
struct mach_o_fat_data_struct *mach_o_fat_data;
+ struct plugin_data_struct *plugin_data;
struct bfd_pef_data_struct *pef_data;
struct bfd_pef_xlib_data_struct *pef_xlib_data;
struct bfd_sym_data_struct *sym_data;
struct objalloc *, but we use void * to avoid requiring the inclusion
of objalloc.h. */
void *memory;
+
+ /* Is the file descriptor being cached? That is, can it be closed as
+ needed, and re-opened when accessed later? */
+ unsigned int cacheable : 1;
+
+ /* Marks whether there was a default target specified when the
+ BFD was opened. This is used to select which matching algorithm
+ to use to choose the back end. */
+ unsigned int target_defaulted : 1;
+
+ /* ... and here: (``once'' means at least once). */
+ unsigned int opened_once : 1;
+
+ /* Set if we have a locally maintained mtime value, rather than
+ getting it from the file each time. */
+ unsigned int mtime_set : 1;
+
+ /* Flag set if symbols from this BFD should not be exported. */
+ unsigned int no_export : 1;
+
+ /* Remember when output has begun, to stop strange things
+ from happening. */
+ unsigned int output_has_begun : 1;
+
+ /* Have archive map. */
+ unsigned int has_armap : 1;
+
+ /* Set if this is a thin archive. */
+ unsigned int is_thin_archive : 1;
@};
@end example
emulation.
@strong{Returns}@*
-Returns the maximum page size in bytes for ELF, abort
-otherwise.
+Returns the maximum page size in bytes for ELF, 0 otherwise.
@findex bfd_emul_set_maxpagesize
@subsubsection @code{bfd_emul_set_maxpagesize}
emulation.
@strong{Returns}@*
-Returns the common page size in bytes for ELF, abort otherwise.
+Returns the common page size in bytes for ELF, 0 otherwise.
@findex bfd_emul_set_commonpagesize
@subsubsection @code{bfd_emul_set_commonpagesize}
projects / msp430-binutils.git / blobdiff