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2008-03-15 H.J. Lu <hongjiu.lu@intel.com>

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* bfd-in.h (BFD_NO_FLAGS, HAS_RELOC, EXEC_P, HAS_LINENO,
	HAS_DEBUG, HAS_SYMS, HAS_LOCALS, DYNAMIC, WP_TEXT, D_PAGED,
	BFD_IS_RELAXABLE, BFD_TRADITIONAL_FORMAT, BFD_IN_MEMORY,
	HAS_LOAD_PAGE, BFD_LINKER_CREATED): Moved to ...
	* bfd.c: Here.

	* bfd.c (bfd): Change cacheable, target_defaulted, opened_once,
	mtime_set, no_export, output_has_begun and has_armap to bit
	field.

	* bfd-in2.h: Regenerated.
This commit is contained in:
H.J. Lu 2008-03-16 06:53:48 +00:00
parent 781240518a
commit 6ad2759d49
4 changed files with 194 additions and 176 deletions
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14
bfd/ChangeLog
View File

@ -1,3 +1,17 @@
2008-03-15 H.J. Lu <hongjiu.lu@intel.com>
* bfd-in.h (BFD_NO_FLAGS, HAS_RELOC, EXEC_P, HAS_LINENO,
HAS_DEBUG, HAS_SYMS, HAS_LOCALS, DYNAMIC, WP_TEXT, D_PAGED,
BFD_IS_RELAXABLE, BFD_TRADITIONAL_FORMAT, BFD_IN_MEMORY,
HAS_LOAD_PAGE, BFD_LINKER_CREATED): Moved to ...
* bfd.c: Here.
* bfd.c (bfd): Change cacheable, target_defaulted, opened_once,
mtime_set, no_export, output_has_begun and has_armap to bit
field.
* bfd-in2.h: Regenerated.
2008-03-14 Daniel Jacobowitz <dan@codesourcery.com>
* cache.c (close_one): Remove mtime hack.

64
bfd/bfd-in.h
View File

@ -209,70 +209,6 @@ typedef enum bfd_format
bfd_type_end /* Marks the end; don't use it! */
}
bfd_format;
/* 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 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
/* Symbols and relocation. */

178
bfd/bfd-in2.h
View File

@ -216,70 +216,6 @@ typedef enum bfd_format
bfd_type_end /* Marks the end; don't use it! */
}
bfd_format;
/* 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 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
/* Symbols and relocation. */
@ -4624,15 +4560,6 @@ struct 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;
@ -4641,13 +4568,6 @@ struct bfd
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;
@ -4670,15 +4590,75 @@ struct bfd
/* 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
/* 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;
/* A hash table for section names. */
struct bfd_hash_table section_htab;
@ -4707,15 +4687,11 @@ struct bfd
/* 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;
/* A chain of BFD structures involved in a link. */
struct bfd *link_next;
@ -4772,6 +4748,32 @@ struct bfd
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;
};
typedef enum bfd_error

114
bfd/bfd.c
View File

@ -51,15 +51,6 @@ CODE_FRAGMENT
. 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;
@ -68,13 +59,6 @@ CODE_FRAGMENT
. 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;
.
@ -97,15 +81,75 @@ CODE_FRAGMENT
. {* 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
.
. {* 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;
.
. {* A hash table for section names. *}
. struct bfd_hash_table section_htab;
.
@ -134,15 +178,11 @@ CODE_FRAGMENT
. {* 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;
.
. {* A chain of BFD structures involved in a link. *}
. struct bfd *link_next;
@ -199,6 +239,32 @@ CODE_FRAGMENT
. 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;
.};
.
*/