diff options
Diffstat (limited to 'gas/config/obj-coff.h')
| -rw-r--r-- | gas/config/obj-coff.h | 192 |
1 files changed, 91 insertions, 101 deletions
diff --git a/gas/config/obj-coff.h b/gas/config/obj-coff.h index 98948be..1a50359 100644 --- a/gas/config/obj-coff.h +++ b/gas/config/obj-coff.h @@ -1,6 +1,6 @@ /* coff object file format Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, - 1999, 2000 + 1999, 2000, 2002 Free Software Foundation, Inc. This file is part of GAS. @@ -90,6 +90,11 @@ #define TARGET_FORMAT "coff-a29k-big" #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" @@ -190,9 +195,7 @@ extern void coff_obj_symbol_new_hook PARAMS ((symbolS *)); extern void coff_obj_read_begin_hook PARAMS ((void)); #define obj_read_begin_hook coff_obj_read_begin_hook -/* *********************************************************************** - - This file really contains two implementations of the COFF back end. +/* This file really contains two implementations of the COFF back end. They are in the process of being merged, but this is only a preliminary, mechanical merging. Many definitions that are identical between the two are still found in both versions. @@ -226,9 +229,7 @@ extern void coff_obj_read_begin_hook PARAMS ((void)); See doc/internals.texi for a brief discussion of the history, if you care. - Ken Raeburn, 5 May 1994 - - *********************************************************************** */ + Ken Raeburn, 5 May 1994. */ #ifdef BFD_ASSEMBLER @@ -257,10 +258,10 @@ extern void coff_obj_read_begin_hook PARAMS ((void)); extern void obj_coff_section PARAMS ((int)); -/* The number of auxiliary entries */ +/* 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 */ +/* 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. */ @@ -271,9 +272,9 @@ extern int S_SET_STORAGE_CLASS PARAMS ((symbolS *, int)); extern int S_GET_STORAGE_CLASS PARAMS ((symbolS *)); extern void SA_SET_SYM_ENDNDX PARAMS ((symbolS *, symbolS *)); -/* 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) @@ -297,15 +298,13 @@ extern void SA_SET_SYM_ENDNDX PARAMS ((symbolS *, symbolS *)); #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. - */ +/* 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 */ @@ -330,7 +329,7 @@ extern void SA_SET_SYM_ENDNDX PARAMS ((symbolS *, symbolS *)); #define SF_GET_SEGMENT (0x00200000) /* Get the section of the forward symbol. */ /* All other bits are unused. */ -/* Accessors */ +/* 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) @@ -352,7 +351,7 @@ extern void SA_SET_SYM_ENDNDX PARAMS ((symbolS *, symbolS *)); #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)) @@ -414,7 +413,7 @@ extern symbolS *coff_last_function; #endif #endif -/* sanity check */ +/* Sanity check. */ #ifdef TC_I960 #ifndef C_LEAFSTAT @@ -424,8 +423,8 @@ hey ! Where is the C_LEAFSTAT definition ? i960 - coff support is depending on i #else /* not BFD_ASSEMBLER */ -#ifdef TC_A29K -/* Allow translate from aout relocs to coff relocs */ +#if defined TC_A29K || defined TC_OR32 +/* Allow translate from aout relocs to coff relocs. */ #define NO_RELOC 20 #define RELOC_32 1 #define RELOC_8 2 @@ -447,7 +446,7 @@ extern const segT N_TYPE_seg[]; /* SYMBOL TABLE */ -/* Symbol table entry data type */ +/* Symbol table entry data type. */ typedef struct { @@ -455,18 +454,17 @@ typedef struct struct internal_syment ost_entry; /* Auxiliary entry. */ union internal_auxent ost_auxent[OBJ_COFF_MAX_AUXENTRIES]; - /* obj_coff internal use only flags */ + /* obj_coff internal use only flags. */ unsigned int ost_flags; } obj_symbol_type; #ifndef DO_NOT_STRIP #define DO_NOT_STRIP 0 #endif -/* Symbol table macros and constants */ +/* Symbol table macros and constants. */ /* Possible and usefull section number in symbol table - * The values of TEXT, DATA and BSS may not be portable. - */ + The values of TEXT, DATA and BSS may not be portable. */ #define C_ABS_SECTION N_ABS #define C_UNDEF_SECTION N_UNDEF @@ -475,27 +473,25 @@ typedef struct #define C_PTV_SECTION P_TV #define C_REGISTER_SECTION 50 -/* - * 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. - */ +/* 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 */ +/* 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) */ + 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) \ || ((s)->sy_symbol.ost_entry.n_scnum == C_ABS_SECTION)) -/* True if a debug special symbol entry */ +/* 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 includes ^A is a gas internal pseudo symbol */ +/* True if a symbol is local symbol name. */ +/* A symbol name whose name includes ^A is a gas internal pseudo symbol. */ #define S_IS_LOCAL(s) \ ((s)->sy_symbol.ost_entry.n_scnum == C_REGISTER_SECTION \ || (S_LOCAL_NAME(s) && ! flag_keep_locals && ! S_IS_DEBUG (s)) \ @@ -504,13 +500,11 @@ typedef struct || (flag_strip_local_absolute \ && !S_IS_EXTERNAL(s) \ && (s)->sy_symbol.ost_entry.n_scnum == C_ABS_SECTION)) -/* True if a symbol is not defined in this file */ +/* 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) - */ +/* 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. */ @@ -526,41 +520,41 @@ typedef struct ((s)->sy_symbol.ost_entry.n_sclass == C_WEAKEXT) #endif -/* Accessors */ -/* The name of the symbol */ +/* 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 */ +/* The pointer to the string table. */ #define S_GET_OFFSET(s) ((s)->sy_symbol.ost_entry.n_offset) -/* The numeric value of the segment */ +/* The numeric value of the segment. */ #define S_GET_SEGMENT(s) s_get_segment(s) -/* The data type */ +/* The data type. */ #define S_GET_DATA_TYPE(s) ((s)->sy_symbol.ost_entry.n_type) -/* The storage class */ +/* The storage class. */ #define S_GET_STORAGE_CLASS(s) ((s)->sy_symbol.ost_entry.n_sclass) -/* The number of auxiliary entries */ +/* 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 */ +/* 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 */ +/* Set the offset of the symbol. */ #define S_SET_OFFSET(s,v) ((s)->sy_symbol.ost_entry.n_offset = (v)) -/* The numeric value of the segment */ +/* 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 */ +/* The data type. */ #define S_SET_DATA_TYPE(s,v) ((s)->sy_symbol.ost_entry.n_type = (v)) -/* The storage class */ +/* The storage class. */ #define S_SET_STORAGE_CLASS(s,v) ((s)->sy_symbol.ost_entry.n_sclass = (v)) -/* The number of auxiliary entries */ +/* 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) */ +/* 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); } -/* 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 SYM_AUXENT(S) (&(S)->sy_symbol.ost_auxent[0]) #define SA_GET_SYM_TAGNDX(s) (SYM_AUXENT (s)->x_sym.x_tagndx.l) @@ -577,7 +571,7 @@ typedef struct #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 */ +/* Modifiers. */ #define SA_SET_SYM_TAGNDX(s,v) (SYM_AUXENT (s)->x_sym.x_tagndx.l=(v)) #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)) @@ -592,15 +586,13 @@ typedef struct #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. - */ +/* 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 */ @@ -626,7 +618,7 @@ typedef struct #define SF_ADJ_LNNOPTR (0x00400000) /* Has a lnnoptr */ /* All other bits are unused. */ -/* Accessors */ +/* Accessors. */ #define SF_GET(s) ((s)->sy_symbol.ost_flags) #define SF_GET_NORMAL_FIELD(s) (SF_GET (s) & SF_NORMAL_MASK) #define SF_GET_DEBUG_FIELD(s) (SF_GET (s) & SF_DEBUG_MASK) @@ -648,7 +640,7 @@ typedef struct #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)) @@ -671,12 +663,10 @@ typedef struct #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 */ +/* File header macro and type definition. */ -/* - * File position calculators. Beware to use them when all the - * appropriate fields are set in the header. - */ +/* 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) @@ -714,8 +704,8 @@ typedef struct H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \ H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h)) -/* Accessors */ -/* aouthdr */ +/* 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) @@ -724,7 +714,7 @@ typedef struct #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 */ +/* 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) @@ -733,7 +723,7 @@ typedef struct #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 */ +/* 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) @@ -750,8 +740,8 @@ typedef struct #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 */ +/* 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)) @@ -760,7 +750,7 @@ typedef struct #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 */ +/* 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)) @@ -768,30 +758,30 @@ typedef struct #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 */ +/* 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 */ +/* Segment flipping. */ typedef struct { struct internal_aouthdr aouthdr; /* a.out header */ struct internal_filehdr filehdr; /* File header, not machine dep. */ - 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 */ + 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; struct lineno_list { struct bfd_internal_lineno line; - char *frag; /* Frag to which the line number is related */ - struct lineno_list *next; /* Forward chain pointer */ + char *frag; /* Frag to which the line number is related. */ + struct lineno_list *next; /* Forward chain pointer. */ }; #define obj_segment_name(i) (segment_info[(int) (i)].scnhdr.s_name) @@ -823,7 +813,7 @@ extern void c_section_header PARAMS ((struct internal_scnhdr * header, void tc_coff_symbol_emit_hook PARAMS ((symbolS *)); #endif -/* sanity check */ +/* Sanity check. */ #ifdef TC_I960 #ifndef C_LEAFSTAT |