/* coff object file format
- Copyright (C) 1989, 1990, 1991, 1992, 1994 Free Software Foundation, Inc.
+ Copyright (C) 1989-2021 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 2, or (at your option)
+ 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,
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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+ 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. */
-
-#include "bfd.h"
+ bfd internal coff headerfile. */
#define internal_lineno bfd_internal_lineno
#include "coff/internal.h"
#undef internal_lineno
-#include "../bfd/libcoff.h"
+/* CPU-specific setup: */
-#ifdef TC_A29K
-#include "coff/a29k.h"
-#define TARGET_FORMAT "coff-a29k-big"
-extern bfd *stdoutput;
-
-#endif /* TC_A29K */
+#ifdef TC_ARM
+#include "coff/arm.h"
+#ifndef TARGET_FORMAT
+#define TARGET_FORMAT "coff-arm"
+#endif
+#endif
-#ifdef TC_I960
-#include "coff/i960.h"
-#define TARGET_FORMAT "coff-i960-big"
+#ifdef TC_PPC
+#include "coff/rs6000.h"
#endif
#ifdef TC_I386
-# include "coff/i386.h"
-# define TARGET_FORMAT "coff-i386"
-extern bfd *stdoutput;
+#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
-#endif /* TC_I386 */
+#ifdef TC_Z80
+#include "coff/z80.h"
+#define TARGET_FORMAT "coff-z80"
+#endif
-#ifdef TC_M68K
-# include "coff/m68k.h"
-# define TARGET_FORMAT "coff-m68k"
-#endif /* TC_M68K */
+#ifdef TC_Z8K
+#include "coff/z8k.h"
+#define TARGET_FORMAT "coff-z8k"
+#endif
-#ifdef TC_PPC
-#include "coff/rs6000.h"
+#ifdef TC_SH
+
+#ifdef TE_PE
+#define COFF_WITH_PE
#endif
-#ifdef TC_SPARC
-#include "coff/sparc.h"
-#ifdef TE_LYNX
-#define TARGET_FORMAT "coff-sparc-lynx"
+#include "coff/sh.h"
+
+#ifdef TE_PE
+#define TARGET_FORMAT "pe-shl"
#else
-#define TARGET_FORMAT "coff-sparc"
+
+#define TARGET_FORMAT \
+ (!target_big_endian \
+ ? (sh_small ? "coff-shl-small" : "coff-shl") \
+ : (sh_small ? "coff-sh-small" : "coff-sh"))
+
#endif
#endif
-/* SYMBOL TABLE */
+#ifdef TC_TIC30
+#include "coff/tic30.h"
+#define TARGET_FORMAT "coff-tic30"
+#endif
-/* targets may also set this */
-#ifndef SYMBOLS_NEED_BACKPOINTERS
-#define SYMBOLS_NEED_BACKPOINTERS 1
-#endif /* SYMBOLS_NEED_BACKPOINTERS */
+#ifdef TC_TIC4X
+#include "coff/tic4x.h"
+#define TARGET_FORMAT "coff2-tic4x"
+#endif
-/* Alter the field names, for now, until we've fixed up the other
- references to use the new name. */
-#ifdef TC_I960
-#define TC_SYMFIELD_TYPE struct symbol *
-#define sy_tc bal
+#ifdef TC_TIC54X
+#include "coff/tic54x.h"
+#define TARGET_FORMAT "coff1-c54x"
#endif
-#define OBJ_SYMFIELD_TYPE unsigned long
-#define sy_obj sy_flags
+#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
-#define SYM_AUXENT(S) (&coffsymbol ((S)->bsym)->native[1].u.auxent)
+#include "bfd/libcoff.h"
-#define DO_NOT_STRIP 0
-#define DO_STRIP 1
+#define OUTPUT_FLAVOR bfd_target_coff_flavour
-extern void obj_coff_section PARAMS ((int));
+/* 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
-/* The number of auxiliary entries */
-#define S_GET_NUMBER_AUXILIARY(s) (coffsymbol((s)->bsym)->native->u.syment.n_numaux)
-/* The number of auxiliary entries */
-#define S_SET_NUMBER_AUXILIARY(s,v) (S_GET_NUMBER_AUXILIARY (s) = (v))
+#define SYM_AUXENT(S) \
+ (&coffsymbol (symbol_get_bfdsym (S))->native[1].u.auxent)
+#define SYM_AUXINFO(S) \
+ (&coffsymbol (symbol_get_bfdsym (S))->native[1])
-/* 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)
+/* 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))
-extern int S_SET_DATA_TYPE PARAMS ((struct symbol *, int));
-extern int S_SET_STORAGE_CLASS PARAMS ((struct symbol *, int));
-extern int S_GET_STORAGE_CLASS PARAMS ((struct symbol *));
-extern void SA_SET_SYM_ENDNDX PARAMS ((struct symbol *, struct symbol *));
+/* 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 */
+/* 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_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))
-
-/*
- * Internal use only definitions. SF_ stands for symbol flags.
- *
- * These values can be assigned to sy_symbol.ost_flags field of a symbolS.
- *
- * You'll break i960 if you shift the SYSPROC bits anywhere else. for
- * more on the balname/callname hack, see tc-i960.h. b.out is done
- * differently.
- */
-
-#define SF_I960_MASK (0x000001ff) /* Bits 0-8 are used by the i960 port. */
-#define SF_SYSPROC (0x0000003f) /* bits 0-5 are used to store the sysproc number */
-#define SF_IS_SYSPROC (0x00000040) /* bit 6 marks symbols that are sysprocs */
-#define SF_BALNAME (0x00000080) /* bit 7 marks BALNAME symbols */
-#define SF_CALLNAME (0x00000100) /* bit 8 marks CALLNAME 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) ((s)->sy_flags)
-#define SF_GET_DEBUG(s) ((s)->bsym->flags & BSF_DEBUGGING)
-#define SF_SET_DEBUG(s) ((s)->bsym->flags |= BSF_DEBUGGING)
+#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))
+
+/* 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_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)
-#define SF_GET_I960(s) (SF_GET (s) & SF_I960_MASK) /* used by i960 */
-#define SF_GET_BALNAME(s) (SF_GET (s) & SF_BALNAME) /* used by i960 */
-#define SF_GET_CALLNAME(s) (SF_GET (s) & SF_CALLNAME) /* used by i960 */
-#define SF_GET_IS_SYSPROC(s) (SF_GET (s) & SF_IS_SYSPROC) /* used by i960 */
-#define SF_GET_SYSPROC(s) (SF_GET (s) & SF_SYSPROC) /* used by i960 */
-/* Modifiers */
+/* 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_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)
-#define SF_SET_I960(s,v) (SF_GET (s) |= ((v) & SF_I960_MASK)) /* used by i960 */
-#define SF_SET_BALNAME(s) (SF_GET (s) |= SF_BALNAME) /* used by i960 */
-#define SF_SET_CALLNAME(s) (SF_GET (s) |= SF_CALLNAME) /* used by i960 */
-#define SF_SET_IS_SYSPROC(s) (SF_GET (s) |= SF_IS_SYSPROC) /* used by i960 */
-#define SF_SET_SYSPROC(s,v) (SF_GET (s) |= ((v) & SF_SYSPROC)) /* used by i960 */
-/* -------------- Line number handling ------- */
+
+/* Line number handling. */
extern int text_lineno_number;
extern int coff_line_base;
-
-#define obj_emit_lineno(WHERE,LINE,FILE_START) abort ()
-extern void coff_add_linesym PARAMS ((struct symbol *));
-
-/* stack stuff */
-typedef struct
- {
- unsigned long chunk_size;
- unsigned long element_size;
- unsigned long size;
- char *data;
- unsigned long pointer;
- }
-stack;
-
-char *stack_pop PARAMS ((stack * st));
-char *stack_push PARAMS ((stack * st, char *element));
-char *stack_top PARAMS ((stack * st));
-stack *stack_init PARAMS ((unsigned long chunk_size,
- unsigned long element_size));
-void c_dot_file_symbol PARAMS ((char *filename));
-void stack_delete PARAMS ((stack * st));
-
-#ifndef tc_coff_symbol_emit_hook
-void tc_coff_symbol_emit_hook PARAMS ((/* symbolS * */));
+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
-extern void coff_frob_symbol PARAMS ((struct symbol *, int *));
-extern void coff_frob_file PARAMS ((void));
-extern void coff_frob_section PARAMS ((segT));
-#define obj_frob_symbol(S,P) coff_frob_symbol(S,&P)
-#define obj_frob_file() coff_frob_file ()
-#define obj_frob_section(S) coff_frob_section (S)
-
-extern struct symbol *coff_last_function;
-
-/* Forward the segment of a forwarded symbol. */
+/* 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_frob_forward_symbol(symp) \
- (SF_GET_GET_SEGMENT (symp) \
- ? (S_SET_SEGMENT (symp, S_GET_SEGMENT (symp->sy_value.X_add_symbol)), 0) \
+#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_frob_forward_symbol(symp) \
- (SF_GET_GET_SEGMENT (symp) && S_GET_SEGMENT (symp) == SEG_UNKNOWN \
- ? (S_SET_SEGMENT (symp, S_GET_SEGMENT (symp->sy_value.X_add_symbol)), 0) \
+#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[];
-/* sanity check */
+#ifndef obj_pop_insert
+#define obj_pop_insert() pop_insert (coff_pseudo_table)
+#endif
-#ifdef TC_I960
-#ifndef C_LEAFSTAT
-hey ! Where is the C_LEAFSTAT definition ? i960 - coff support is depending on it.
-#endif /* no C_LEAFSTAT */
-#endif /* TC_I960 */
+/* 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
-#define SEPARATE_STAB_SECTIONS
/* We need 12 bytes at the start of the section to hold some initial
information. */
-extern void obj_coff_init_stab_section PARAMS ((segT));
#define INIT_STAB_SECTION(seg) obj_coff_init_stab_section (seg)
+/* Store the number of relocations in the section aux entry. */
+#define SET_SECTION_RELOCS(sec, relocs, n) \
+ SA_SET_SCN_NRELOC (section_symbol (sec), n)
+
+#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
+
-/* end of obj-coff.h */
+#endif /* OBJ_FORMAT_H */
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