Add support for OpenRISC 32-bit embedded processor

1 files changed, 91 insertions, 101 deletions

diff --git a/gas/config/obj-coff.h b/gas/config/obj-coff.h
index 98948bea53..1a50359b3b 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