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- /* coff object file format
- Copyright (C) 1989-2022 Free Software Foundation, Inc.
- This file is part of GAS.
- GAS is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3, or (at your option)
- any later version.
- GAS is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with GAS; see the file COPYING. If not, write to the Free
- Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
- 02110-1301, USA. */
- #ifndef OBJ_FORMAT_H
- #define OBJ_FORMAT_H
- #define OBJ_COFF 1
- #include "targ-cpu.h"
- /* This internal_lineno crap is to stop namespace pollution from the
- bfd internal coff headerfile. */
- #define internal_lineno bfd_internal_lineno
- #include "coff/internal.h"
- #undef internal_lineno
- /* CPU-specific setup: */
- #ifdef TC_ARM
- #include "coff/arm.h"
- #ifndef TARGET_FORMAT
- #define TARGET_FORMAT "coff-arm"
- #endif
- #endif
- #ifdef TC_PPC
- #include "coff/rs6000.h"
- #endif
- #ifdef TC_I386
- #ifdef TE_PEP
- #include "coff/x86_64.h"
- #else
- #include "coff/i386.h"
- #endif
- #ifndef TARGET_FORMAT
- #ifdef TE_PEP
- #define TARGET_FORMAT "coff-x86-64"
- #else
- #define TARGET_FORMAT "coff-i386"
- #endif
- #endif
- #endif
- #ifdef TC_Z80
- #include "coff/z80.h"
- #define TARGET_FORMAT "coff-z80"
- #endif
- #ifdef TC_Z8K
- #include "coff/z8k.h"
- #define TARGET_FORMAT "coff-z8k"
- #endif
- #ifdef TC_SH
- #ifdef TE_PE
- #define COFF_WITH_PE
- #endif
- #include "coff/sh.h"
- #ifdef TE_PE
- #define TARGET_FORMAT "pe-shl"
- #else
- #define TARGET_FORMAT \
- (!target_big_endian \
- ? (sh_small ? "coff-shl-small" : "coff-shl") \
- : (sh_small ? "coff-sh-small" : "coff-sh"))
- #endif
- #endif
- #ifdef TC_TIC30
- #include "coff/tic30.h"
- #define TARGET_FORMAT "coff-tic30"
- #endif
- #ifdef TC_TIC4X
- #include "coff/tic4x.h"
- #define TARGET_FORMAT "coff2-tic4x"
- #endif
- #ifdef TC_TIC54X
- #include "coff/tic54x.h"
- #define TARGET_FORMAT "coff1-c54x"
- #endif
- #ifdef TC_MCORE
- #include "coff/mcore.h"
- #ifndef TARGET_FORMAT
- #define TARGET_FORMAT "pe-mcore"
- #endif
- #endif
- #ifdef TE_PE
- #define obj_set_weak_hook pecoff_obj_set_weak_hook
- #define obj_clear_weak_hook pecoff_obj_clear_weak_hook
- #endif
- #ifndef OBJ_COFF_MAX_AUXENTRIES
- #define OBJ_COFF_MAX_AUXENTRIES 1
- #endif
- #define obj_symbol_new_hook coff_obj_symbol_new_hook
- #define obj_symbol_clone_hook coff_obj_symbol_clone_hook
- #define obj_read_begin_hook coff_obj_read_begin_hook
- #include "bfd/libcoff.h"
- #define OUTPUT_FLAVOR bfd_target_coff_flavour
- /* Alter the field names, for now, until we've fixed up the other
- references to use the new name. */
- #define OBJ_SYMFIELD_TYPE unsigned long
- #define sy_obj sy_obj_flags
- /* We can't use the predefined section symbols in bfd/section.c, as
- COFF symbols have extra fields. See bfd/libcoff.h:coff_symbol_type. */
- #ifndef obj_sec_sym_ok_for_reloc
- #define obj_sec_sym_ok_for_reloc(SEC) ((SEC)->owner != 0)
- #endif
- #define SYM_AUXENT(S) \
- (&coffsymbol (symbol_get_bfdsym (S))->native[1].u.auxent)
- #define SYM_AUXINFO(S) \
- (&coffsymbol (symbol_get_bfdsym (S))->native[1])
- /* The number of auxiliary entries. */
- #define S_GET_NUMBER_AUXILIARY(s) \
- (coffsymbol (symbol_get_bfdsym (s))->native->u.syment.n_numaux)
- /* The number of auxiliary entries. */
- #define S_SET_NUMBER_AUXILIARY(s, v) (S_GET_NUMBER_AUXILIARY (s) = (v))
- /* True if a symbol name is in the string table, i.e. its length is > 8. */
- #define S_IS_STRING(s) (strlen (S_GET_NAME (s)) > 8 ? 1 : 0)
- /* Auxiliary entry macros. SA_ stands for symbol auxiliary. */
- /* Omit the tv related fields. */
- /* Accessors. */
- #define SA_GET_SYM_TAGNDX(s) (SYM_AUXENT (s)->x_sym.x_tagndx.l)
- #define SA_GET_SYM_LNNO(s) (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_lnno)
- #define SA_GET_SYM_SIZE(s) (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_size)
- #define SA_GET_SYM_FSIZE(s) (SYM_AUXENT (s)->x_sym.x_misc.x_fsize)
- #define SA_GET_SYM_LNNOPTR(s) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_lnnoptr)
- #define SA_GET_SYM_ENDNDX(s) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_endndx)
- #define SA_GET_SYM_DIMEN(s,i) (SYM_AUXENT (s)->x_sym.x_fcnary.x_ary.x_dimen[(i)])
- #define SA_GET_FILE_FNAME(s) (SYM_AUXENT (s)->x_file.x_fname)
- #define SA_GET_SCN_SCNLEN(s) (SYM_AUXENT (s)->x_scn.x_scnlen)
- #define SA_GET_SCN_NRELOC(s) (SYM_AUXENT (s)->x_scn.x_nreloc)
- #define SA_GET_SCN_NLINNO(s) (SYM_AUXENT (s)->x_scn.x_nlinno)
- #define SA_SET_SYM_LNNO(s,v) (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_lnno = (v))
- #define SA_SET_SYM_SIZE(s,v) (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_size = (v))
- #define SA_SET_SYM_FSIZE(s,v) (SYM_AUXENT (s)->x_sym.x_misc.x_fsize = (v))
- #define SA_SET_SYM_LNNOPTR(s,v) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_lnnoptr = (v))
- #define SA_SET_SYM_DIMEN(s,i,v) (SYM_AUXENT (s)->x_sym.x_fcnary.x_ary.x_dimen[(i)] = (v))
- #define SA_SET_FILE_FNAME(s,v) strncpy (SYM_AUXENT (s)->x_file.x_fname, (v), FILNMLEN)
- #define SA_SET_SCN_SCNLEN(s,v) (SYM_AUXENT (s)->x_scn.x_scnlen = (v))
- #define SA_SET_SCN_NRELOC(s,v) (SYM_AUXENT (s)->x_scn.x_nreloc = (v))
- #define SA_SET_SCN_NLINNO(s,v) (SYM_AUXENT (s)->x_scn.x_nlinno = (v))
- #ifdef OBJ_XCOFF
- #define SA_GET_SECT_SCNLEN(s) (SYM_AUXENT (s)->x_sect.x_scnlen)
- #define SA_GET_SECT_NRELOC(s) (SYM_AUXENT (s)->x_sect.x_nreloc)
- #define SA_SET_SECT_SCNLEN(s,v) (SYM_AUXENT (s)->x_sect.x_scnlen = (v))
- #define SA_SET_SECT_NRELOC(s,v) (SYM_AUXENT (s)->x_sect.x_nreloc = (v))
- #endif
- /* Internal use only definitions. SF_ stands for symbol flags.
- These values can be assigned to sy_symbol.ost_flags field of a symbolS. */
- #define SF_NORMAL_MASK 0x0000ffff /* bits 12-15 are general purpose. */
- #define SF_STATICS 0x00001000 /* Mark the .text & all symbols. */
- #define SF_DEFINED 0x00002000 /* Symbol is defined in this file. */
- #define SF_STRING 0x00004000 /* Symbol name length > 8. */
- #define SF_LOCAL 0x00008000 /* Symbol must not be emitted. */
- #define SF_DEBUG_MASK 0xffff0000 /* bits 16-31 are debug info. */
- #define SF_FUNCTION 0x00010000 /* The symbol is a function. */
- #define SF_PROCESS 0x00020000 /* Process symbol before write. */
- #define SF_TAGGED 0x00040000 /* Is associated with a tag. */
- #define SF_TAG 0x00080000 /* Is a tag. */
- #define SF_DEBUG 0x00100000 /* Is in debug or abs section. */
- #define SF_GET_SEGMENT 0x00200000 /* Get the section of the forward symbol. */
- /* All other bits are unused. */
- /* Accessors. */
- #define SF_GET(s) (* symbol_get_obj (s))
- #define SF_GET_DEBUG(s) (symbol_get_bfdsym (s)->flags & BSF_DEBUGGING)
- #define SF_SET_DEBUG(s) (symbol_get_bfdsym (s)->flags |= BSF_DEBUGGING)
- #define SF_GET_NORMAL_FIELD(s) (SF_GET (s) & SF_NORMAL_MASK)
- #define SF_GET_DEBUG_FIELD(s) (SF_GET (s) & SF_DEBUG_MASK)
- #define SF_GET_FILE(s) (SF_GET (s) & SF_FILE)
- #define SF_GET_STATICS(s) (SF_GET (s) & SF_STATICS)
- #define SF_GET_DEFINED(s) (SF_GET (s) & SF_DEFINED)
- #define SF_GET_STRING(s) (SF_GET (s) & SF_STRING)
- #define SF_GET_LOCAL(s) (SF_GET (s) & SF_LOCAL)
- #define SF_GET_FUNCTION(s) (SF_GET (s) & SF_FUNCTION)
- #define SF_GET_PROCESS(s) (SF_GET (s) & SF_PROCESS)
- #define SF_GET_TAGGED(s) (SF_GET (s) & SF_TAGGED)
- #define SF_GET_TAG(s) (SF_GET (s) & SF_TAG)
- #define SF_GET_GET_SEGMENT(s) (SF_GET (s) & SF_GET_SEGMENT)
- /* Modifiers. */
- #define SF_SET(s,v) (SF_GET (s) = (v))
- #define SF_SET_NORMAL_FIELD(s,v)(SF_GET (s) |= ((v) & SF_NORMAL_MASK))
- #define SF_SET_DEBUG_FIELD(s,v) (SF_GET (s) |= ((v) & SF_DEBUG_MASK))
- #define SF_SET_FILE(s) (SF_GET (s) |= SF_FILE)
- #define SF_SET_STATICS(s) (SF_GET (s) |= SF_STATICS)
- #define SF_SET_DEFINED(s) (SF_GET (s) |= SF_DEFINED)
- #define SF_SET_STRING(s) (SF_GET (s) |= SF_STRING)
- #define SF_SET_LOCAL(s) (SF_GET (s) |= SF_LOCAL)
- #define SF_CLEAR_LOCAL(s) (SF_GET (s) &= ~SF_LOCAL)
- #define SF_SET_FUNCTION(s) (SF_GET (s) |= SF_FUNCTION)
- #define SF_SET_PROCESS(s) (SF_GET (s) |= SF_PROCESS)
- #define SF_SET_TAGGED(s) (SF_GET (s) |= SF_TAGGED)
- #define SF_SET_TAG(s) (SF_GET (s) |= SF_TAG)
- #define SF_SET_GET_SEGMENT(s) (SF_GET (s) |= SF_GET_SEGMENT)
- /* Line number handling. */
- extern int text_lineno_number;
- extern int coff_line_base;
- extern int coff_n_line_nos;
- extern symbolS *coff_last_function;
- #define obj_emit_lineno(WHERE, LINE, FILE_START) abort ()
- #define obj_app_file(name, app) c_dot_file_symbol (name, app)
- #define obj_frob_symbol(S,P) coff_frob_symbol (S, & P)
- #define obj_frob_section(S) coff_frob_section (S)
- #define obj_frob_file_after_relocs() coff_frob_file_after_relocs ()
- #ifndef obj_adjust_symtab
- #define obj_adjust_symtab() coff_adjust_symtab ()
- #endif
- /* Forward the segment of a forwarded symbol, handle assignments that
- just copy symbol values, etc. */
- #ifndef OBJ_COPY_SYMBOL_ATTRIBUTES
- #ifndef TE_I386AIX
- #define OBJ_COPY_SYMBOL_ATTRIBUTES(dest, src) \
- (SF_GET_GET_SEGMENT (dest) \
- ? (S_SET_SEGMENT (dest, S_GET_SEGMENT (src)), 0) \
- : 0)
- #else
- #define OBJ_COPY_SYMBOL_ATTRIBUTES(dest, src) \
- (SF_GET_GET_SEGMENT (dest) && S_GET_SEGMENT (dest) == SEG_UNKNOWN \
- ? (S_SET_SEGMENT (dest, S_GET_SEGMENT (src)), 0) \
- : 0)
- #endif
- #endif
- /* Sanity check. */
- extern const pseudo_typeS coff_pseudo_table[];
- #ifndef obj_pop_insert
- #define obj_pop_insert() pop_insert (coff_pseudo_table)
- #endif
- /* In COFF, if a symbol is defined using .def/.val SYM/.endef, it's OK
- to redefine the symbol later on. This can happen if C symbols use
- a prefix, and a symbol is defined both with and without the prefix,
- as in start/_start/__start in gcc/libgcc1-test.c. */
- #define RESOLVE_SYMBOL_REDEFINITION(sym) \
- (SF_GET_GET_SEGMENT (sym) \
- ? (sym->frag = frag_now, \
- S_SET_VALUE (sym, frag_now_fix ()), \
- S_SET_SEGMENT (sym, now_seg), \
- 0) \
- : 0)
- /* Stabs in a coff file go into their own section. */
- #define SEPARATE_STAB_SECTIONS 1
- /* We need 12 bytes at the start of the section to hold some initial
- information. */
- #define INIT_STAB_SECTION(seg) obj_coff_init_stab_section (seg)
- /* Store the number of relocations in the section aux entry. */
- #ifdef OBJ_XCOFF
- #define SET_SECTION_RELOCS(sec, relocs, n) \
- do { \
- symbolS * sectSym = section_symbol (sec); \
- if (S_GET_STORAGE_CLASS (sectSym) == C_DWARF) \
- SA_SET_SECT_NRELOC (sectSym, n); \
- else \
- SA_SET_SCN_NRELOC (sectSym, n); \
- } while (0)
- #else
- #define SET_SECTION_RELOCS(sec, relocs, n) \
- SA_SET_SCN_NRELOC (section_symbol (sec), n)
- #endif
- #define obj_app_file(name, app) c_dot_file_symbol (name, app)
- extern int S_SET_DATA_TYPE (symbolS *, int);
- extern int S_SET_STORAGE_CLASS (symbolS *, int);
- extern int S_GET_STORAGE_CLASS (symbolS *);
- extern void SA_SET_SYM_ENDNDX (symbolS *, symbolS *);
- extern void coff_add_linesym (symbolS *);
- extern void c_dot_file_symbol (const char *, int);
- extern void coff_frob_symbol (symbolS *, int *);
- extern void coff_adjust_symtab (void);
- extern void coff_frob_section (segT);
- extern void coff_adjust_section_syms (bfd *, asection *, void *);
- extern void coff_frob_file_after_relocs (void);
- extern void coff_obj_symbol_new_hook (symbolS *);
- extern void coff_obj_symbol_clone_hook (symbolS *, symbolS *);
- extern void coff_obj_read_begin_hook (void);
- #ifdef TE_PE
- extern void pecoff_obj_set_weak_hook (symbolS *);
- extern void pecoff_obj_clear_weak_hook (symbolS *);
- #endif
- extern void obj_coff_section (int);
- extern segT obj_coff_add_segment (const char *);
- extern void obj_coff_section (int);
- extern void c_dot_file_symbol (const char *, int);
- extern segT s_get_segment (symbolS *);
- #ifndef tc_coff_symbol_emit_hook
- extern void tc_coff_symbol_emit_hook (symbolS *);
- #endif
- extern void obj_coff_pe_handle_link_once (void);
- extern void obj_coff_init_stab_section (segT);
- extern void c_section_header (struct internal_scnhdr *,
- char *, long, long, long, long,
- long, long, long, long);
- extern void obj_coff_seh_do_final (void);
- #ifndef obj_coff_generate_pdata
- #define obj_coff_generate_pdata obj_coff_seh_do_final
- #endif
- #endif /* OBJ_FORMAT_H */
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