0,0 → 1,415 |
/* coff object file format |
Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, |
1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009 |
Free Software Foundation, Inc. |
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This file is part of GAS. |
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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. |
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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. |
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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. */ |
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#ifndef OBJ_FORMAT_H |
#define OBJ_FORMAT_H |
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#define OBJ_COFF 1 |
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#include "targ-cpu.h" |
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/* 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 |
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/* CPU-specific setup: */ |
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#ifdef TC_ARM |
#include "coff/arm.h" |
#ifndef TARGET_FORMAT |
#define TARGET_FORMAT "coff-arm" |
#endif |
#endif |
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#ifdef TC_PPC |
#ifdef TE_PE |
#include "coff/powerpc.h" |
#else |
#include "coff/rs6000.h" |
#endif |
#endif |
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#ifdef TC_SPARC |
#include "coff/sparc.h" |
#endif |
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#ifdef TC_I386 |
#ifdef TE_PEP |
#include "coff/x86_64.h" |
#else |
#include "coff/i386.h" |
#endif |
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#ifndef TARGET_FORMAT |
#ifdef TE_PEP |
#define TARGET_FORMAT "coff-x86-64" |
#else |
#define TARGET_FORMAT "coff-i386" |
#endif |
#endif |
#endif |
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#ifdef TC_M68K |
#include "coff/m68k.h" |
#ifndef TARGET_FORMAT |
#define TARGET_FORMAT "coff-m68k" |
#endif |
#endif |
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#ifdef TC_OR32 |
#include "coff/or32.h" |
#define TARGET_FORMAT "coff-or32-big" |
#endif |
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#ifdef TC_I960 |
#include "coff/i960.h" |
#define TARGET_FORMAT "coff-Intel-little" |
#endif |
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#ifdef TC_Z80 |
#include "coff/z80.h" |
#define TARGET_FORMAT "coff-z80" |
#endif |
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#ifdef TC_Z8K |
#include "coff/z8k.h" |
#define TARGET_FORMAT "coff-z8k" |
#endif |
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#ifdef TC_H8300 |
#include "coff/h8300.h" |
#define TARGET_FORMAT "coff-h8300" |
#endif |
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#ifdef TC_H8500 |
#include "coff/h8500.h" |
#define TARGET_FORMAT "coff-h8500" |
#endif |
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#ifdef TC_SH |
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#ifdef TE_PE |
#define COFF_WITH_PE |
#endif |
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#include "coff/sh.h" |
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#ifdef TE_PE |
#define TARGET_FORMAT "pe-shl" |
#else |
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#define TARGET_FORMAT \ |
(!target_big_endian \ |
? (sh_small ? "coff-shl-small" : "coff-shl") \ |
: (sh_small ? "coff-sh-small" : "coff-sh")) |
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#endif |
#endif |
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#ifdef TC_MIPS |
#define COFF_WITH_PE |
#include "coff/mipspe.h" |
#undef TARGET_FORMAT |
#define TARGET_FORMAT "pe-mips" |
#endif |
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#ifdef TC_TIC30 |
#include "coff/tic30.h" |
#define TARGET_FORMAT "coff-tic30" |
#endif |
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#ifdef TC_TIC4X |
#include "coff/tic4x.h" |
#define TARGET_FORMAT "coff2-tic4x" |
#endif |
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#ifdef TC_TIC54X |
#include "coff/tic54x.h" |
#define TARGET_FORMAT "coff1-c54x" |
#endif |
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#ifdef TC_MCORE |
#include "coff/mcore.h" |
#ifndef TARGET_FORMAT |
#define TARGET_FORMAT "pe-mcore" |
#endif |
#endif |
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#ifdef TE_PE |
#define obj_set_weak_hook pecoff_obj_set_weak_hook |
#define obj_clear_weak_hook pecoff_obj_clear_weak_hook |
#endif |
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#ifndef OBJ_COFF_MAX_AUXENTRIES |
#define OBJ_COFF_MAX_AUXENTRIES 1 |
#endif |
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#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 |
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#include "bfd/libcoff.h" |
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#define OUTPUT_FLAVOR bfd_target_coff_flavour |
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/* 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 |
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#define OBJ_SYMFIELD_TYPE unsigned long |
#define sy_obj sy_obj_flags |
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/* 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 |
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#define SYM_AUXENT(S) \ |
(&coffsymbol (symbol_get_bfdsym (S))->native[1].u.auxent) |
#define SYM_AUXINFO(S) \ |
(&coffsymbol (symbol_get_bfdsym (S))->native[1]) |
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/* 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)) |
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/* 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) |
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/* Auxiliary entry macros. SA_ stands for symbol auxiliary. */ |
/* Omit the tv related fields. */ |
/* Accessors. */ |
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#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) |
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#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)) |
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/* Internal use only definitions. SF_ stands for symbol flags. |
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These values can be assigned to sy_symbol.ost_flags field of a symbolS. |
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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. */ |
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#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. */ |
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#define SF_NORMAL_MASK 0x0000ffff /* bits 12-15 are general purpose. */ |
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#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. */ |
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#define SF_DEBUG_MASK 0xffff0000 /* bits 16-31 are debug info. */ |
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#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. */ |
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/* 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. */ |
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/* 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. */ |
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/* Line number handling. */ |
extern int text_lineno_number; |
extern int coff_line_base; |
extern int coff_n_line_nos; |
extern symbolS *coff_last_function; |
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#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 |
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/* 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 |
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/* Sanity check. */ |
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#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 */ |
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extern const pseudo_typeS coff_pseudo_table[]; |
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#ifndef obj_pop_insert |
#define obj_pop_insert() pop_insert (coff_pseudo_table) |
#endif |
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/* 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) |
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/* Stabs in a coff file go into their own section. */ |
#define SEPARATE_STAB_SECTIONS 1 |
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/* 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) |
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/* 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) |
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#define obj_app_file(name, app) c_dot_file_symbol (name, app) |
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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); |
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#ifndef obj_coff_generate_pdata |
#define obj_coff_generate_pdata obj_coff_seh_do_final |
#endif |
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#endif /* OBJ_FORMAT_H */ |