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📄 bfd.h

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  BFD_SEND (abfd, bfd_h_getx_signed_64, (ptr))/* Aliases for the above, which should eventually go away.  */#define H_PUT_64  bfd_h_put_64#define H_PUT_32  bfd_h_put_32#define H_PUT_16  bfd_h_put_16#define H_PUT_8   bfd_h_put_8#define H_PUT_S64 bfd_h_put_signed_64#define H_PUT_S32 bfd_h_put_signed_32#define H_PUT_S16 bfd_h_put_signed_16#define H_PUT_S8  bfd_h_put_signed_8#define H_GET_64  bfd_h_get_64#define H_GET_32  bfd_h_get_32#define H_GET_16  bfd_h_get_16#define H_GET_8   bfd_h_get_8#define H_GET_S64 bfd_h_get_signed_64#define H_GET_S32 bfd_h_get_signed_32#define H_GET_S16 bfd_h_get_signed_16#define H_GET_S8  bfd_h_get_signed_8/* Extracted from bfdio.c.  */long bfd_get_mtime (bfd *abfd);long bfd_get_size (bfd *abfd);/* Extracted from bfdwin.c.  *//* Extracted from section.c.  */typedef struct bfd_section{  /* The name of the section; the name isn't a copy, the pointer is     the same as that passed to bfd_make_section.  */  const char *name;  /* A unique sequence number.  */  int id;  /* Which section in the bfd; 0..n-1 as sections are created in a bfd.  */  int index;  /* The next section in the list belonging to the BFD, or NULL.  */  struct bfd_section *next;  /* The previous section in the list belonging to the BFD, or NULL.  */  struct bfd_section *prev;  /* The field flags contains attributes of the section. Some     flags are read in from the object file, and some are     synthesized from other information.  */  flagword flags;#define SEC_NO_FLAGS   0x000  /* Tells the OS to allocate space for this section when loading.     This is clear for a section containing debug information only.  */#define SEC_ALLOC      0x001  /* Tells the OS to load the section from the file when loading.     This is clear for a .bss section.  */#define SEC_LOAD       0x002  /* The section contains data still to be relocated, so there is     some relocation information too.  */#define SEC_RELOC      0x004  /* A signal to the OS that the section contains read only data.  */#define SEC_READONLY   0x008  /* The section contains code only.  */#define SEC_CODE       0x010  /* The section contains data only.  */#define SEC_DATA       0x020  /* The section will reside in ROM.  */#define SEC_ROM        0x040  /* The section contains constructor information. This section     type is used by the linker to create lists of constructors and     destructors used by <<g++>>. When a back end sees a symbol     which should be used in a constructor list, it creates a new     section for the type of name (e.g., <<__CTOR_LIST__>>), attaches     the symbol to it, and builds a relocation. To build the lists     of constructors, all the linker has to do is catenate all the     sections called <<__CTOR_LIST__>> and relocate the data     contained within - exactly the operations it would peform on     standard data.  */#define SEC_CONSTRUCTOR 0x080  /* The section has contents - a data section could be     <<SEC_ALLOC>> | <<SEC_HAS_CONTENTS>>; a debug section could be     <<SEC_HAS_CONTENTS>>  */#define SEC_HAS_CONTENTS 0x100  /* An instruction to the linker to not output the section     even if it has information which would normally be written.  */#define SEC_NEVER_LOAD 0x200  /* The section contains thread local data.  */#define SEC_THREAD_LOCAL 0x400  /* The section has GOT references.  This flag is only for the     linker, and is currently only used by the elf32-hppa back end.     It will be set if global offset table references were detected     in this section, which indicate to the linker that the section     contains PIC code, and must be handled specially when doing a     static link.  */#define SEC_HAS_GOT_REF 0x800  /* The section contains common symbols (symbols may be defined     multiple times, the value of a symbol is the amount of     space it requires, and the largest symbol value is the one     used).  Most targets have exactly one of these (which we     translate to bfd_com_section_ptr), but ECOFF has two.  */#define SEC_IS_COMMON 0x1000  /* The section contains only debugging information.  For     example, this is set for ELF .debug and .stab sections.     strip tests this flag to see if a section can be     discarded.  */#define SEC_DEBUGGING 0x2000  /* The contents of this section are held in memory pointed to     by the contents field.  This is checked by bfd_get_section_contents,     and the data is retrieved from memory if appropriate.  */#define SEC_IN_MEMORY 0x4000  /* The contents of this section are to be excluded by the     linker for executable and shared objects unless those     objects are to be further relocated.  */#define SEC_EXCLUDE 0x8000  /* The contents of this section are to be sorted based on the sum of     the symbol and addend values specified by the associated relocation     entries.  Entries without associated relocation entries will be     appended to the end of the section in an unspecified order.  */#define SEC_SORT_ENTRIES 0x10000  /* When linking, duplicate sections of the same name should be     discarded, rather than being combined into a single section as     is usually done.  This is similar to how common symbols are     handled.  See SEC_LINK_DUPLICATES below.  */#define SEC_LINK_ONCE 0x20000  /* If SEC_LINK_ONCE is set, this bitfield describes how the linker     should handle duplicate sections.  */#define SEC_LINK_DUPLICATES 0x40000  /* This value for SEC_LINK_DUPLICATES means that duplicate     sections with the same name should simply be discarded.  */#define SEC_LINK_DUPLICATES_DISCARD 0x0  /* This value for SEC_LINK_DUPLICATES means that the linker     should warn if there are any duplicate sections, although     it should still only link one copy.  */#define SEC_LINK_DUPLICATES_ONE_ONLY 0x80000  /* This value for SEC_LINK_DUPLICATES means that the linker     should warn if any duplicate sections are a different size.  */#define SEC_LINK_DUPLICATES_SAME_SIZE 0x100000  /* This value for SEC_LINK_DUPLICATES means that the linker     should warn if any duplicate sections contain different     contents.  */#define SEC_LINK_DUPLICATES_SAME_CONTENTS \  (SEC_LINK_DUPLICATES_ONE_ONLY | SEC_LINK_DUPLICATES_SAME_SIZE)  /* This section was created by the linker as part of dynamic     relocation or other arcane processing.  It is skipped when     going through the first-pass output, trusting that someone     else up the line will take care of it later.  */#define SEC_LINKER_CREATED 0x200000  /* This section should not be subject to garbage collection.  */#define SEC_KEEP 0x400000  /* This section contains "short" data, and should be placed     "near" the GP.  */#define SEC_SMALL_DATA 0x800000  /* Attempt to merge identical entities in the section.     Entity size is given in the entsize field.  */#define SEC_MERGE 0x1000000  /* If given with SEC_MERGE, entities to merge are zero terminated     strings where entsize specifies character size instead of fixed     size entries.  */#define SEC_STRINGS 0x2000000  /* This section contains data about section groups.  */#define SEC_GROUP 0x4000000  /* The section is a COFF shared library section.  This flag is     only for the linker.  If this type of section appears in     the input file, the linker must copy it to the output file     without changing the vma or size.  FIXME: Although this     was originally intended to be general, it really is COFF     specific (and the flag was renamed to indicate this).  It     might be cleaner to have some more general mechanism to     allow the back end to control what the linker does with     sections.  */#define SEC_COFF_SHARED_LIBRARY 0x10000000  /* This section contains data which may be shared with other     executables or shared objects. This is for COFF only.  */#define SEC_COFF_SHARED 0x20000000  /* When a section with this flag is being linked, then if the size of     the input section is less than a page, it should not cross a page     boundary.  If the size of the input section is one page or more,     it should be aligned on a page boundary.  This is for TI     TMS320C54X only.  */#define SEC_TIC54X_BLOCK 0x40000000  /* Conditionally link this section; do not link if there are no     references found to any symbol in the section.  This is for TI     TMS320C54X only.  */#define SEC_TIC54X_CLINK 0x80000000  /*  End of section flags.  */  /* Some internal packed boolean fields.  */  /* See the vma field.  */  unsigned int user_set_vma : 1;  /* A mark flag used by some of the linker backends.  */  unsigned int linker_mark : 1;  /* Another mark flag used by some of the linker backends.  Set for     output sections that have an input section.  */  unsigned int linker_has_input : 1;  /* Mark flags used by some linker backends for garbage collection.  */  unsigned int gc_mark : 1;  unsigned int gc_mark_from_eh : 1;  /* The following flags are used by the ELF linker. */  /* Mark sections which have been allocated to segments.  */  unsigned int segment_mark : 1;  /* Type of sec_info information.  */  unsigned int sec_info_type:3;#define ELF_INFO_TYPE_NONE      0#define ELF_INFO_TYPE_STABS     1#define ELF_INFO_TYPE_MERGE     2#define ELF_INFO_TYPE_EH_FRAME  3#define ELF_INFO_TYPE_JUST_SYMS 4  /* Nonzero if this section uses RELA relocations, rather than REL.  */  unsigned int use_rela_p:1;  /* Bits used by various backends.  The generic code doesn't touch     these fields.  */  /* Nonzero if this section has TLS related relocations.  */  unsigned int has_tls_reloc:1;  /* Nonzero if this section has a gp reloc.  */  unsigned int has_gp_reloc:1;  /* Nonzero if this section needs the relax finalize pass.  */  unsigned int need_finalize_relax:1;  /* Whether relocations have been processed.  */  unsigned int reloc_done : 1;  /* End of internal packed boolean fields.  */  /*  The virtual memory address of the section - where it will be      at run time.  The symbols are relocated against this.  The      user_set_vma flag is maintained by bfd; if it's not set, the      backend can assign addresses (for example, in <<a.out>>, where      the default address for <<.data>> is dependent on the specific      target and various flags).  */  bfd_vma vma;  /*  The load address of the section - where it would be in a      rom image; really only used for writing section header      information.  */  bfd_vma lma;  /* The size of the section in octets, as it will be output.     Contains a value even if the section has no contents (e.g., the     size of <<.bss>>).  */  bfd_size_type size;  /* For input sections, the original size on disk of the section, in     octets.  This field is used by the linker relaxation code.  It is     currently only set for sections where the linker relaxation scheme     doesn't cache altered section and reloc contents (stabs, eh_frame,     SEC_MERGE, some coff relaxing targets), and thus the original size     needs to be kept to read the section multiple times.     For output sections, rawsize holds the section size calculated on     a previous linker relaxation pass.  */  bfd_size_type rawsize;  /* If this section is going to be output, then this value is the     offset in *bytes* into the output section of the first byte in the     input section (byte ==> smallest addressable unit on the     target).  In most cases, if this was going to start at the     100th octet (8-bit quantity) in the output section, this value     would be 100.  However, if the target byte size is 16 bits     (bfd_octets_per_byte is "2"), this value would be 50.  */  bfd_vma output_offset;  /* The output section through which to map on output.  */  struct bfd_section *output_section;  /* The alignment requirement of the section, as an exponent of 2 -     e.g., 3 aligns to 2^3 (or 8).  */  unsigned int alignment_power;  /* If an input section, a pointer to a vector of relocation     records for the data in this section.  */  struct reloc_cache_entry *relocation;  /* If an output section, a pointer to a vector of pointers to     relocation records for the data in this section.  */  struct reloc_cache_entry **orelocation;  /* The number of relocation records in one of the above.  */  unsigned reloc_count;  /* Information below is back end specific - and not always used     or updated.  */  /* File position of section data.  */  file_ptr filepos;  /* File position of relocation info.  */  file_ptr rel_filepos;  /* File position of line data.  */  file_ptr line_filepos;  /* Pointer to data for applications.  */  void *userdata;  /* If the SEC_IN_MEMORY flag is set, this points to the actual     contents.  */  unsigned char *contents;  /* Attached line number information.  */  alent *lineno;  /* Number of line number records.  */  unsigned int lineno_count;  /* Entity size for merging purposes.  */  unsigned int entsize;

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