/* coff object file format Copyright (C) 1989, 1990, 1991, 1992 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) 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, 675 Mass Ave, Cambridge, MA 02139, USA. */ #define OBJ_COFF 1 #include "targ-cpu.h" #if defined (BFD_HEADERS) || defined (BFD_ASSEMBLER) /* This internal_lineno crap is to stop namespace pollution from the bfd internal coff headerfile. */ #include "bfd.h" #define internal_lineno bfd_internal_lineno #include "coff/internal.h" #undef internal_lineno #ifdef BFD_ASSEMBLER #include "../bfd/libcoff.h" #endif #ifdef TC_A29K #include "coff/a29k.h" #define TARGET_FORMAT "coff-a29k-big" extern bfd *stdoutput; #endif /* TC_A29K */ #ifdef TC_I960 #include "coff/i960.h" #define TARGET_FORMAT "coff-i960-big" #endif #ifdef TC_I386 # include "coff/i386.h" # define TARGET_FORMAT "coff-i386" extern bfd *stdoutput; #endif /* TC_I386 */ #ifdef TC_M68K # include "coff/m68k.h" # define TARGET_FORMAT "coff-m68k" #endif /* TC_M68K */ #ifdef TC_PPC #include "coff/rs6000.h" #endif #ifdef TC_SPARC #include "coff/sparc.h" #ifdef TE_LYNX #define TARGET_FORMAT "coff-sparc-lynx" #else #define TARGET_FORMAT "coff-sparc" #endif #endif #else /* not BFD_HEADERS */ #include "coff_gnu.h" #endif /* not BFD_HEADERS */ #ifndef BFD_ASSEMBLER /* Define some processor dependent values according to the processor we are on. */ #ifdef TC_M68K #define BYTE_ORDERING F_AR32W /* See filehdr.h for more info. */ #ifndef FILE_HEADER_MAGIC #define FILE_HEADER_MAGIC MC68MAGIC /* ... */ #endif /* FILE_HEADER_MAGIC */ #endif /* TC_M68K */ #if defined(TC_I386) #define BYTE_ORDERING F_AR32WR /* See filehdr.h for more info. */ #ifndef FILE_HEADER_MAGIC #define FILE_HEADER_MAGIC I386MAGIC /* ... */ #endif /* FILE_HEADER_MAGIC */ #endif /* TC_I386 */ #if defined(TC_I960) #define BYTE_ORDERING F_AR32WR /* See filehdr.h for more info. */ #ifndef FILE_HEADER_MAGIC #define FILE_HEADER_MAGIC I960ROMAGIC /* ... */ #endif /* FILE_HEADER_MAGIC */ #endif /* TC_I960 */ #if defined(TC_A29K) #define BYTE_ORDERING F_AR32W /* big endian. */ #ifndef FILE_HEADER_MAGIC #define FILE_HEADER_MAGIC SIPFBOMAGIC #endif /* FILE_HEADER_MAGIC */ #endif /* TC_A29K */ #ifndef OBJ_COFF_MAX_AUXENTRIES #define OBJ_COFF_MAX_AUXENTRIES 1 #endif /* OBJ_COFF_MAX_AUXENTRIES */ extern const short seg_N_TYPE[]; extern const segT N_TYPE_seg[]; /* Magic number of paged executable. */ #define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE (FILE_HEADER_MAGIC) #ifndef BFD_HEADERS /* Add these definitions to have a consistent convention for all the types used in COFF format. */ #define AOUTHDR struct aouthdr #define AOUTHDRSZ sizeof(AOUTHDR) #endif #endif /* not BFD_ASSEMBLER */ /* SYMBOL TABLE */ /* targets may also set this */ #ifndef SYMBOLS_NEED_BACKPOINTERS #define SYMBOLS_NEED_BACKPOINTERS 1 #endif /* SYMBOLS_NEED_BACKPOINTERS */ #ifdef BFD_ASSEMBLER /* 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 #endif #define OBJ_SYMFIELD_TYPE unsigned long #define sy_obj sy_flags #ifndef OBJ_COFF_MAX_AUXENTRIES #define OBJ_COFF_MAX_AUXENTRIES 1 #endif #else /* Symbol table entry data type */ typedef struct { #ifdef BFD_HEADERS struct internal_syment ost_entry; /* Basic symbol */ union internal_auxent ost_auxent[OBJ_COFF_MAX_AUXENTRIES]; /* Auxiliary entry. */ #else SYMENT ost_entry; /* Basic symbol */ AUXENT ost_auxent[OBJ_COFF_MAX_AUXENTRIES]; /* Auxiliary entry. */ #endif unsigned int ost_flags; /* obj_coff internal use only flags */ } obj_symbol_type; #endif /* ! BFD_ASSEMBLER */ #ifdef BFD_ASSEMBLER #define SYM_AUXENT(S) (&coffsymbol ((S)->bsym)->native[1].u.auxent) #else #define SYM_AUXENT(S) (&(S)->sy_symbol.ost_auxent[0]) #endif #define DO_NOT_STRIP 0 #define DO_STRIP 1 #ifndef BFD_ASSEMBLER /* Symbol table macros and constants */ /* Possible and usefull section number in symbol table * The values of TEXT, DATA and BSS may not be portable. */ #define C_TEXT_SECTION ((short)1) #define C_DATA_SECTION ((short)2) #define C_BSS_SECTION ((short)3) #define C_ABS_SECTION N_ABS #define C_UNDEF_SECTION N_UNDEF #define C_DEBUG_SECTION N_DEBUG #define C_NTV_SECTION N_TV #define C_PTV_SECTION P_TV #define C_REGISTER_SECTION 4 /* * Macros to extract information from a symbol table entry. * This syntaxic indirection allows independence regarding a.out or coff. * The argument (s) of all these macros is a pointer to a symbol table entry. */ /* Predicates */ /* True if the symbol is external */ #define S_IS_EXTERNAL(s) ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION) /* True if symbol has been defined, ie : section > 0 (DATA, TEXT or BSS) section == 0 and value > 0 (external bss symbol) */ #define S_IS_DEFINED(s) ((s)->sy_symbol.ost_entry.n_scnum > C_UNDEF_SECTION || \ ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION && \ S_GET_VALUE(s) > 0)) /* True if a debug special symbol entry */ #define S_IS_DEBUG(s) ((s)->sy_symbol.ost_entry.n_scnum == C_DEBUG_SECTION) /* True if a symbol is local symbol name */ /* A symbol name whose name begin with ^A is a gas internal pseudo symbol */ #define S_IS_LOCAL(s) (S_GET_NAME(s)[0] == '\001' || \ (s)->sy_symbol.ost_entry.n_scnum == C_REGISTER_SECTION || \ (S_LOCAL_NAME(s) && !flagseen['L'])) /* True if a symbol is not defined in this file */ #define S_IS_EXTERN(s) ((s)->sy_symbol.ost_entry.n_scnum == 0 \ && S_GET_VALUE (s) == 0) /* * True if a symbol can be multiply defined (bss symbols have this def * though it is bad practice) */ #define S_IS_COMMON(s) ((s)->sy_symbol.ost_entry.n_scnum == 0 \ && S_GET_VALUE (s) != 0) /* 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) /* Accessors */ /* The name of the symbol */ #define S_GET_NAME(s) ((char*)(s)->sy_symbol.ost_entry.n_offset) /* The pointer to the string table */ #define S_GET_OFFSET(s) ((s)->sy_symbol.ost_entry.n_offset) /* The zeroes if symbol name is longer than 8 chars */ #define S_GET_ZEROES(s) ((s)->sy_symbol.ost_entry.n_zeroes) /* The numeric value of the segment */ #define S_GET_SEGMENT(s) (N_TYPE_seg[(s)->sy_symbol.ost_entry.n_scnum+4]) /* The data type */ #define S_GET_DATA_TYPE(s) ((s)->sy_symbol.ost_entry.n_type) /* The storage class */ #define S_GET_STORAGE_CLASS(s) ((s)->sy_symbol.ost_entry.n_sclass) /* The number of auxiliary entries */ #define S_GET_NUMBER_AUXILIARY(s) ((s)->sy_symbol.ost_entry.n_numaux) /* Modifiers */ /* Set the name of the symbol */ #define S_SET_NAME(s,v) ((s)->sy_symbol.ost_entry.n_offset = (unsigned long)(v)) /* Set the offset of the symbol */ #define S_SET_OFFSET(s,v) ((s)->sy_symbol.ost_entry.n_offset = (v)) /* The zeroes if symbol name is longer than 8 chars */ #define S_SET_ZEROES(s,v) ((s)->sy_symbol.ost_entry.n_zeroes = (v)) /* The numeric value of the segment */ #define S_SET_SEGMENT(s,v) ((s)->sy_symbol.ost_entry.n_scnum = SEGMENT_TO_SYMBOL_TYPE(v)) /* The data type */ #define S_SET_DATA_TYPE(s,v) ((s)->sy_symbol.ost_entry.n_type = (v)) /* The storage class */ #define S_SET_STORAGE_CLASS(s,v) ((s)->sy_symbol.ost_entry.n_sclass = (v)) /* The number of auxiliary entries */ #define S_SET_NUMBER_AUXILIARY(s,v) ((s)->sy_symbol.ost_entry.n_numaux = (v)) /* Additional modifiers */ /* The symbol is external (does not mean undefined) */ #define S_SET_EXTERNAL(s) { S_SET_STORAGE_CLASS(s, C_EXT) ; SF_CLEAR_LOCAL(s); } #else /* BFD_ASSEMBLER */ /* 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)) /* 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) extern int S_SET_STORAGE_CLASS PARAMS ((struct symbol *, int)); extern int S_GET_STORAGE_CLASS PARAMS ((struct symbol *)); #endif /* ! BFD_ASSEMBLER */ /* Auxiliary entry macros. SA_ stands for symbol auxiliary */ /* Omit the tv related fields */ /* Accessors */ #if defined (BFD_HEADERS) || defined (BFD_ASSEMBLER) #define SA_GET_SYM_TAGNDX(s) (SYM_AUXENT (s)->x_sym.x_tagndx.l) #else #define SA_GET_SYM_TAGNDX(s) (SYM_AUXENT (s)->x_sym.x_tagndx) #endif #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) #ifdef BFD_HEADERS #define SA_GET_SYM_ENDNDX(s) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_endndx.l) #else #define SA_GET_SYM_ENDNDX(s) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_endndx) #endif #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) /* Modifiers */ #ifndef BFD_ASSEMBLER #ifdef BFD_HEADERS #define SA_SET_SYM_TAGNDX(s,v) (SYM_AUXENT (s)->x_sym.x_tagndx.l=(v)) #define SA_SET_SYM_ENDNDX(s,v) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_endndx.l=(v)) #else #define SA_SET_SYM_ENDNDX(s,v) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_endndx=(v)) #define SA_SET_SYM_TAGNDX(s,v) (SYM_AUXENT (s)->x_sym.x_tagndx=(v)) #endif #endif #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 */ #ifdef BFD_ASSEMBLER #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) #else #define SF_GET(s) ((s)->sy_symbol.ost_flags) #define SF_GET_DEBUG(s) ((s)->sy_symbol.ost_flags & SF_DEBUG) #define SF_SET_DEBUG(s) ((s)->sy_symbol.ost_flags |= SF_DEBUG) #endif #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 */ /* File header macro and type definition */ #ifndef BFD_ASSEMBLER /* * File position calculators. Beware to use them when all the * appropriate fields are set in the header. */ #ifdef OBJ_COFF_OMIT_OPTIONAL_HEADER #define OBJ_COFF_AOUTHDRSZ (0) #else #define OBJ_COFF_AOUTHDRSZ (AOUTHDRSZ) #endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */ #define H_GET_FILE_SIZE(h) \ (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \ H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \ H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \ H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h) + \ H_GET_SYMBOL_TABLE_SIZE(h) + \ (h)->string_table_size) #define H_GET_TEXT_FILE_OFFSET(h) \ (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \ H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ) #define H_GET_DATA_FILE_OFFSET(h) \ (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \ H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \ H_GET_TEXT_SIZE(h)) #define H_GET_BSS_FILE_OFFSET(h) 0 #define H_GET_RELOCATION_FILE_OFFSET(h) \ (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \ H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \ H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h)) #define H_GET_LINENO_FILE_OFFSET(h) \ (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \ H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \ H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \ H_GET_RELOCATION_SIZE(h)) #define H_GET_SYMBOL_TABLE_FILE_OFFSET(h) \ (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \ H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \ H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \ H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h)) /* Accessors */ /* aouthdr */ #define H_GET_MAGIC_NUMBER(h) ((h)->aouthdr.magic) #define H_GET_VERSION_STAMP(h) ((h)->aouthdr.vstamp) #define H_GET_TEXT_SIZE(h) ((h)->aouthdr.tsize) #define H_GET_DATA_SIZE(h) ((h)->aouthdr.dsize) #define H_GET_BSS_SIZE(h) ((h)->aouthdr.bsize) #define H_GET_ENTRY_POINT(h) ((h)->aouthdr.entry) #define H_GET_TEXT_START(h) ((h)->aouthdr.text_start) #define H_GET_DATA_START(h) ((h)->aouthdr.data_start) /* filehdr */ #define H_GET_FILE_MAGIC_NUMBER(h) ((h)->filehdr.f_magic) #define H_GET_NUMBER_OF_SECTIONS(h) ((h)->filehdr.f_nscns) #define H_GET_TIME_STAMP(h) ((h)->filehdr.f_timdat) #define H_GET_SYMBOL_TABLE_POINTER(h) ((h)->filehdr.f_symptr) #define H_GET_SYMBOL_COUNT(h) ((h)->filehdr.f_nsyms) #define H_GET_SYMBOL_TABLE_SIZE(h) (H_GET_SYMBOL_COUNT(h) * SYMESZ) #define H_GET_SIZEOF_OPTIONAL_HEADER(h) ((h)->filehdr.f_opthdr) #define H_GET_FLAGS(h) ((h)->filehdr.f_flags) /* Extra fields to achieve bsd a.out compatibility and for convenience */ #define H_GET_RELOCATION_SIZE(h) ((h)->relocation_size) #define H_GET_STRING_SIZE(h) ((h)->string_table_size) #define H_GET_LINENO_SIZE(h) ((h)->lineno_size) #ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER #define H_GET_HEADER_SIZE(h) (sizeof(FILHDR) \ + sizeof(AOUTHDR)\ + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ)) #else /* OBJ_COFF_OMIT_OPTIONAL_HEADER */ #define H_GET_HEADER_SIZE(h) (sizeof(FILHDR) \ + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ)) #endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */ #define H_GET_TEXT_RELOCATION_SIZE(h) (text_section_header.s_nreloc * RELSZ) #define H_GET_DATA_RELOCATION_SIZE(h) (data_section_header.s_nreloc * RELSZ) /* Modifiers */ /* aouthdr */ #define H_SET_MAGIC_NUMBER(h,v) ((h)->aouthdr.magic = (v)) #define H_SET_VERSION_STAMP(h,v) ((h)->aouthdr.vstamp = (v)) #define H_SET_TEXT_SIZE(h,v) ((h)->aouthdr.tsize = (v)) #define H_SET_DATA_SIZE(h,v) ((h)->aouthdr.dsize = (v)) #define H_SET_BSS_SIZE(h,v) ((h)->aouthdr.bsize = (v)) #define H_SET_ENTRY_POINT(h,v) ((h)->aouthdr.entry = (v)) #define H_SET_TEXT_START(h,v) ((h)->aouthdr.text_start = (v)) #define H_SET_DATA_START(h,v) ((h)->aouthdr.data_start = (v)) /* filehdr */ #define H_SET_FILE_MAGIC_NUMBER(h,v) ((h)->filehdr.f_magic = (v)) #define H_SET_NUMBER_OF_SECTIONS(h,v) ((h)->filehdr.f_nscns = (v)) #define H_SET_TIME_STAMP(h,v) ((h)->filehdr.f_timdat = (v)) #define H_SET_SYMBOL_TABLE_POINTER(h,v) ((h)->filehdr.f_symptr = (v)) #define H_SET_SYMBOL_TABLE_SIZE(h,v) ((h)->filehdr.f_nsyms = (v)) #define H_SET_SIZEOF_OPTIONAL_HEADER(h,v) ((h)->filehdr.f_opthdr = (v)) #define H_SET_FLAGS(h,v) ((h)->filehdr.f_flags = (v)) /* Extra fields to achieve bsd a.out compatibility and for convinience */ #define H_SET_RELOCATION_SIZE(h,t,d) ((h)->relocation_size = (t)+(d)) #define H_SET_STRING_SIZE(h,v) ((h)->string_table_size = (v)) #define H_SET_LINENO_SIZE(h,v) ((h)->lineno_size = (v)) /* Segment flipping */ typedef struct { #ifdef BFD_HEADERS struct internal_aouthdr aouthdr; /* a.out header */ struct internal_filehdr filehdr; /* File header, not machine dep. */ #else AOUTHDR aouthdr; /* a.out header */ FILHDR filehdr; /* File header, not machine dep. */ #endif long string_table_size; /* names + '\0' + sizeof(int) */ long relocation_size; /* Cumulated size of relocation information for all sections in bytes. */ long lineno_size; /* Size of the line number information table in bytes */ } object_headers; #endif /* ! BFD_ASSEMBLER */ /* -------------- Line number handling ------- */ extern int text_lineno_number; extern int coff_line_base; #ifndef BFD_ASSEMBLER /* line numbering stuff. */ typedef struct internal_lineno { #ifdef BFD_HEADERS struct bfd_internal_lineno line; #else LINENO line; /* The lineno structure itself */ #endif char *frag; /* Frag to which the line number is related */ struct internal_lineno *next; /* Forward chain pointer */ } lineno; extern lineno *lineno_lastP; extern lineno *lineno_rootP; #define OBJ_EMIT_LINENO(a, b, c) obj_emit_lineno((a),(b),(c)) void obj_emit_lineno PARAMS ((char **where, lineno * line, char *file_start)); #endif /* not BFD_ASSEMBLER */ #ifdef BFD_ASSEMBLER #define obj_emit_lineno(WHERE,LINE,FILE_START) abort () extern void coff_add_linesym PARAMS ((struct symbol *)); #endif /* 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 BFD_ASSEMBLER void obj_extra_stuff PARAMS ((object_headers * headers)); #ifndef tc_headers_hook void tc_headers_hook PARAMS ((object_headers * headers)); #endif #endif #ifndef tc_coff_symbol_emit_hook void tc_coff_symbol_emit_hook PARAMS ((/* symbolS * */)); #endif extern void coff_frob_symbol PARAMS ((struct symbol *, int *)); extern void coff_frob_file PARAMS ((void)); #define obj_frob_symbol(S,P) coff_frob_symbol(S,&P) #define obj_frob_file() coff_frob_file () /* Forward the segment of a forwarded symbol. */ #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) \ : 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) \ : 0) #endif #ifndef BFD_ASSEMBLER #ifdef BFD_HEADERS void c_section_header PARAMS ((struct internal_scnhdr *header, char *name, long core_address, long size, long data_ptr, long reloc_ptr, long lineno_ptr, long reloc_number, long lineno_number, long alignment)); #else void c_section_header PARAMS ((SCNHDR * header, char *name, long core_address, long size, long data_ptr, long reloc_ptr, long lineno_ptr, long reloc_number, long lineno_number, long alignment)); #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 */ #ifndef BFD_ASSEMBLER #ifdef BFD_HEADERS extern struct internal_scnhdr data_section_header; extern struct internal_scnhdr text_section_header; #else extern SCNHDR data_section_header; extern SCNHDR text_section_header; #endif #endif #define SEPARATE_STAB_SECTIONS /* end of obj-coff.h */