diff options
Diffstat (limited to 'bfd/bfd.c')
| -rw-r--r-- | bfd/bfd.c | 114 |
1 files changed, 90 insertions, 24 deletions
@@ -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; .}; . */ |