forked from KolibriOS/kolibrios
409 lines
14 KiB
C
409 lines
14 KiB
C
/* coff object file format
|
|
Copyright (C) 1989-2015 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
|
|
#ifdef TE_PE
|
|
#include "coff/powerpc.h"
|
|
#else
|
|
#include "coff/rs6000.h"
|
|
#endif
|
|
#endif
|
|
|
|
#ifdef TC_SPARC
|
|
#include "coff/sparc.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_M68K
|
|
#include "coff/m68k.h"
|
|
#ifndef TARGET_FORMAT
|
|
#define TARGET_FORMAT "coff-m68k"
|
|
#endif
|
|
#endif
|
|
|
|
#ifdef TC_I960
|
|
#include "coff/i960.h"
|
|
#define TARGET_FORMAT "coff-Intel-little"
|
|
#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_H8300
|
|
#include "coff/h8300.h"
|
|
#define TARGET_FORMAT "coff-h8300"
|
|
#endif
|
|
|
|
#ifdef TC_H8500
|
|
#include "coff/h8500.h"
|
|
#define TARGET_FORMAT "coff-h8500"
|
|
#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_MIPS
|
|
#define COFF_WITH_PE
|
|
#include "coff/mipspe.h"
|
|
#undef TARGET_FORMAT
|
|
#define TARGET_FORMAT "pe-mips"
|
|
#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. */
|
|
#ifdef TC_I960
|
|
#define TC_SYMFIELD_TYPE symbolS *
|
|
#define sy_tc bal
|
|
#endif
|
|
|
|
#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))
|
|
|
|
/* 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) (* 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)
|
|
#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. */
|
|
#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)
|
|
#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. */
|
|
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. */
|
|
|
|
#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 */
|
|
|
|
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->sy_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. */
|
|
#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
|
|
|
|
|
|
#endif /* OBJ_FORMAT_H */
|