diff options
Diffstat (limited to 'binutils-2.25/gas/config/obj-coff.h')
| -rw-r--r-- | binutils-2.25/gas/config/obj-coff.h | 415 |
1 files changed, 415 insertions, 0 deletions
diff --git a/binutils-2.25/gas/config/obj-coff.h b/binutils-2.25/gas/config/obj-coff.h new file mode 100644 index 00000000..ff5548ea --- /dev/null +++ b/binutils-2.25/gas/config/obj-coff.h @@ -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. + + 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_OR32 +#include "coff/or32.h" +#define TARGET_FORMAT "coff-or32-big" +#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 */ |