/* 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
#define WORKING_DOT_WORD
+#define WARN_SIGNED_OVERFLOW_WORD
+
+/* By default we omit the optional aouthdr. */
+#define OBJ_COFF_OMIT_OPTIONAL_HEADER
#include "targ-cpu.h"
#include "bfd.h"
-/*extern bfd *stdoutput;*/
/* 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
-#if defined(TC_Z8K)
+
+#ifdef TC_Z8K
#include "coff/z8k.h"
#define TARGET_FORMAT "coff-z8k"
-#elif defined(TC_H8300)
+#endif
+
+#ifdef TC_H8300
#include "coff/h8300.h"
#define TARGET_FORMAT "coff-h8300"
-#elif defined(TC_M68K)
+#endif
+
+#ifdef TC_H8500
+#include "coff/h8500.h"
+#define TARGET_FORMAT "coff-h8500"
+#endif
+
+#ifdef TC_SH
+#include "coff/sh.h"
+#define TARGET_FORMAT "coff-sh"
+#endif
+
+#ifdef TC_M68K
#include "coff/m68k.h"
#define TARGET_FORMAT "coff-m68k"
+#endif
+
+#ifdef TC_M88K
+#include "coff/m88k.h"
+#define TARGET_FORMAT "coff-m88kbcs"
+#endif
+
+#ifdef TC_I386
+#include "coff/i386.h"
+#define TARGET_FORMAT "coff-i386"
+#endif
-#elif defined(TC_A29K)
+#ifdef TC_A29K
#include "coff/a29k.h"
#define TARGET_FORMAT "coff-a29k-big"
#define RELOC_BASE13 9
#define RELOC_WDISP22 10
#define RELOC_WDISP30 11
-#else
-help me
#endif
-
-#if 0
- /* Define some processor dependent values according to the processor we are
- on. */
-#if defined(TC_H8300)
-#define BYTE_ORDERING 0
-#define FILE_HEADER_MAGIC H8300MAGIC
-#elif defined(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 */
-
-#elif 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 */
-
-#elif 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 */
-
-#elif defined(TC_A29K)
-
-#define BYTE_ORDERING F_AR32W /* big endian. */
-#ifndef FILE_HEADER_MAGIC
-#define FILE_HEADER_MAGIC SIPFBOMAGIC
-#endif /* FILE_HEADER_MAGIC */
-#else
-you lose
-#endif
-
-#endif
-
+
+
+
+
#ifndef OBJ_COFF_MAX_AUXENTRIES
#define OBJ_COFF_MAX_AUXENTRIES 1
#endif /* OBJ_COFF_MAX_AUXENTRIES */
-
-
- extern const segT N_TYPE_seg[];
+
+
+extern const segT N_TYPE_seg[];
/* Magic number of paged executable. */
#define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE 0x8300
/* Symbol table entry data type */
-typedef struct
+typedef struct
{
- struct internal_syment ost_entry; /* Basic symbol */
- union internal_auxent ost_auxent[OBJ_COFF_MAX_AUXENTRIES]; /* Auxiliary entry. */
-
- unsigned int ost_flags; /* obj_coff internal use only flags */
-} obj_symbol_type;
+ struct internal_syment ost_entry; /* Basic symbol */
+ union internal_auxent ost_auxent[OBJ_COFF_MAX_AUXENTRIES]; /* Auxiliary entry. */
+
+ unsigned int ost_flags; /* obj_coff internal use only flags */
+
+ /* For stabs-in-coff. */
+ unsigned long n_strx; /* index into string table of name */
+ unsigned char n_type; /* type of symbol */
+ unsigned char n_other; /* misc info (usually empty) */
+ unsigned short n_desc; /* description field */
+ bfd_vma n_value; /* value of symbol */
+
+}
+
+obj_symbol_type;
+
+#define S_SET_OFFSET_2(S,V) ((S)->sy_symbol.n_strx = (V))
+#define S_SET_OTHER(S,V) ((S)->sy_symbol.n_other = (V))
+#define S_SET_TYPE(S,T) ((S)->sy_symbol.n_type = (T))
+#define S_SET_DESC(S,D) ((S)->sy_symbol.n_desc = (D))
+#define S_GET_OFFSET_2(S) ((S)->sy_symbol.n_strx)
+#define S_GET_OTHER(S) ((S)->sy_symbol.n_other)
+#define S_GET_TYPE(S) ((S)->sy_symbol.n_type)
+#define S_GET_DESC(S) ((S)->sy_symbol.n_desc)
+
#ifndef DO_NOT_STRIP
#define DO_NOT_STRIP 0
#endif
/* Symbol table macros and constants */
-/* Possible and usefull section number in symbol table
+/* Possible and usefull section number in symbol table
* The values of TEXT, DATA and BSS may not be portable.
*/
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)->sy_symbol.ost_entry.n_value > 0))
+ 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']))
+/* 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) && !flagseen['L']) \
+ || (strchr (s, '\001') != NULL))
/* True if a symbol is not defined in this file */
-#define S_IS_EXTERN(s) ((s)->sy_symbol.ost_entry.n_scnum == 0 && (s)->sy_symbol.ost_entry.n_value == 0)
+#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)->sy_symbol.ost_entry.n_value != 0)
+#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)
#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 value of the symbol */
-#define S_GET_VALUE(s) ((unsigned) ((s)->sy_symbol.ost_entry.n_value))
/* The numeric value of the segment */
#define S_GET_SEGMENT(s) s_get_segment(s)
/* The data type */
#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))
-/* Set the value of the symbol */
-#define S_SET_VALUE(s,v) ((s)->sy_symbol.ost_entry.n_value = (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 */
* 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_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_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_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_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. */
+#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_TAGGED(s) ((s)->sy_symbol.ost_flags & SF_TAGGED)
#define SF_GET_TAG(s) ((s)->sy_symbol.ost_flags & SF_TAG)
#define SF_GET_GET_SEGMENT(s) ((s)->sy_symbol.ost_flags & SF_GET_SEGMENT)
-#define SF_GET_I960(s) ((s)->sy_symbol.ost_flags & SF_I960_MASK) /* used by i960 */
-#define SF_GET_BALNAME(s) ((s)->sy_symbol.ost_flags & SF_BALNAME) /* used by i960 */
-#define SF_GET_CALLNAME(s) ((s)->sy_symbol.ost_flags & SF_CALLNAME) /* used by i960 */
-#define SF_GET_IS_SYSPROC(s) ((s)->sy_symbol.ost_flags & SF_IS_SYSPROC) /* used by i960 */
-#define SF_GET_SYSPROC(s) ((s)->sy_symbol.ost_flags & SF_SYSPROC) /* used by i960 */
+#define SF_GET_I960(s) ((s)->sy_symbol.ost_flags & SF_I960_MASK) /* used by i960 */
+#define SF_GET_BALNAME(s) ((s)->sy_symbol.ost_flags & SF_BALNAME) /* used by i960 */
+#define SF_GET_CALLNAME(s) ((s)->sy_symbol.ost_flags & SF_CALLNAME) /* used by i960 */
+#define SF_GET_IS_SYSPROC(s) ((s)->sy_symbol.ost_flags & SF_IS_SYSPROC) /* used by i960 */
+#define SF_GET_SYSPROC(s) ((s)->sy_symbol.ost_flags & SF_SYSPROC) /* used by i960 */
/* Modifiers */
#define SF_SET(s,v) ((s)->sy_symbol.ost_flags = (v))
#define SF_SET_TAGGED(s) ((s)->sy_symbol.ost_flags |= SF_TAGGED)
#define SF_SET_TAG(s) ((s)->sy_symbol.ost_flags |= SF_TAG)
#define SF_SET_GET_SEGMENT(s) ((s)->sy_symbol.ost_flags |= SF_GET_SEGMENT)
-#define SF_SET_I960(s,v) ((s)->sy_symbol.ost_flags |= ((v) & SF_I960_MASK)) /* used by i960 */
-#define SF_SET_BALNAME(s) ((s)->sy_symbol.ost_flags |= SF_BALNAME) /* used by i960 */
-#define SF_SET_CALLNAME(s) ((s)->sy_symbol.ost_flags |= SF_CALLNAME) /* used by i960 */
-#define SF_SET_IS_SYSPROC(s) ((s)->sy_symbol.ost_flags |= SF_IS_SYSPROC) /* used by i960 */
-#define SF_SET_SYSPROC(s,v) ((s)->sy_symbol.ost_flags |= ((v) & SF_SYSPROC)) /* used by i960 */
+#define SF_SET_I960(s,v) ((s)->sy_symbol.ost_flags |= ((v) & SF_I960_MASK)) /* used by i960 */
+#define SF_SET_BALNAME(s) ((s)->sy_symbol.ost_flags |= SF_BALNAME) /* used by i960 */
+#define SF_SET_CALLNAME(s) ((s)->sy_symbol.ost_flags |= SF_CALLNAME) /* used by i960 */
+#define SF_SET_IS_SYSPROC(s) ((s)->sy_symbol.ost_flags |= SF_IS_SYSPROC) /* used by i960 */
+#define SF_SET_SYSPROC(s,v) ((s)->sy_symbol.ost_flags |= ((v) & SF_SYSPROC)) /* used by i960 */
/* File header macro and type definition */
#define H_SET_LINENO_SIZE(h,v) ((h)->lineno_size = (v))
/* Segment flipping */
-#define segment_name(v) (seg_name[(int) (v)])
-typedef struct {
+typedef struct
+ {
#ifdef BFD_HEADERS
- struct internal_aouthdr aouthdr; /* a.out header */
- struct internal_filehdr filehdr; /* File header, not machine dep. */
+ 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. */
+ 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
+ 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
+ long lineno_size; /* Size of the line number information
table in bytes */
-} object_headers;
+ }
+
+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 */
-} ;
+
+ struct bfd_internal_lineno line;
+ char *frag; /* Frag to which the line number is related */
+ struct lineno_list *next; /* Forward chain pointer */
+};
/* stack stuff */
-typedef struct {
- unsigned long chunk_size;
- unsigned long element_size;
- unsigned long size;
- char* data;
- unsigned long pointer;
-} stack;
+typedef struct
+ {
+ unsigned long chunk_size;
+ unsigned long element_size;
+ unsigned long size;
+ char *data;
+ unsigned long pointer;
+ }
+stack;
-char *EXFUN(stack_pop,(stack *st));
-char *EXFUN(stack_push,(stack *st, char *element));
-char *EXFUN(stack_top,(stack *st));
-stack *EXFUN(stack_init,(unsigned long chunk_size, unsigned long element_size));
-void EXFUN(c_dot_file_symbol,(char *filename));
-void EXFUN(obj_extra_stuff,(object_headers *headers));
-void EXFUN(stack_delete,(stack *st));
+char *EXFUN (stack_pop, (stack * st));
+char *EXFUN (stack_push, (stack * st, char *element));
+char *EXFUN (stack_top, (stack * st));
+stack *EXFUN (stack_init, (unsigned long chunk_size, unsigned long element_size));
+void EXFUN (c_dot_file_symbol, (char *filename));
+void EXFUN (obj_extra_stuff, (object_headers * headers));
+void EXFUN (stack_delete, (stack * st));
+segT EXFUN (s_get_segment,(struct symbol * ptr));
-void EXFUN(c_section_header,(
-
- 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));
+void EXFUN (c_section_header, (
+
+ 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));
/* sanity check */
#ifdef TC_I960
#ifndef C_LEAFSTAT
-hey! Where is the C_LEAFSTAT definition? i960-coff support is depending on it.
+hey ! Where is the C_LEAFSTAT definition ? i960 - coff support is depending on it.
#endif /* no C_LEAFSTAT */
#endif /* TC_I960 */
#ifdef BFD_HEADERS
- extern struct internal_scnhdr data_section_header;
+extern struct internal_scnhdr data_section_header;
extern struct internal_scnhdr text_section_header;
#else
extern SCNHDR data_section_header;
#endif
#endif
-/*
- * Local Variables:
- * comment-column: 0
- * fill-column: 131
- * End:
- */
+/* Forward the segment of a forwarded symbol. */
+#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)
+
+#define SEPARATE_STAB_SECTIONS
+
+#define MAKE_STAB_SYMBOL(SYM, STR, SEC) \
+ { extern symbolS current_stab_symbol; \
+ (SYM) = ¤t_stab_symbol; \
+ (SYM)->sy_symbol.n_strx = get_stab_string_offset(STR, SEC); \
+ }
/* end of obj-coffbfd.h */
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