Lint Updates

[binutils.git] / include / coff-mips.h

diff --git a/include/coff-mips.h b/include/coff-mips.h
index b50fe486d8234664e80ce0a0d22c5a787a3c8e97..2faad589eb1ebea10f02575aae38bfa54f4bde72 100755 (executable)
--- a/include/coff-mips.h
+++ b/include/coff-mips.h
@@ -1,427 +1,95 @@
-/* ECOFF include file for MIPS machines.  It has been split off from the
-   include files for other COFF machines.  It is derived from...  */
-
-/*** coff information for 80960.  Origins: Intel corp, natch. */
-
-/* This include file is also used for rudimentary ECOFF support on MIPS
-   machines.  Such differences as are needed are #ifdef MIPS.  */
-/* For separate ecoff.h:  we force MIPS on, to get the changes. */
-#undef MIPS
-#define MIPS   1
-
-/* NOTE: Tagentries (cf TAGBITS) are not used by the 960 */
+/* Rudimentary ECOFF support on MIPS machines. 
+   This lacks symbol information, normally provided on MIPS Unix systems
+   in the files <sym.h> and <symconst.h>.  */

 
 /********************** FILE HEADER **********************/
 
 
 /********************** FILE HEADER **********************/
 

-struct filehdr {
-       unsigned short  f_magic;        /* magic number                 */
-       unsigned short  f_nscns;        /* number of sections           */
-       long            f_timdat;       /* time & date stamp            */
-       long            f_symptr;       /* file pointer to symtab       */
-       long            f_nsyms;        /* number of symtab entries     */
-       unsigned short  f_opthdr;       /* sizeof(optional hdr)         */
-       unsigned short  f_flags;        /* flags                        */
+struct external_filehdr {
+       char f_magic[2];        /* magic number                 */
+       char f_nscns[2];        /* number of sections           */
+       char f_timdat[4];       /* time & date stamp            */
+       char f_symptr[4];       /* file pointer to symtab       */
+       char f_nsyms[4];        /* number of symtab entries     */
+       char f_opthdr[2];       /* sizeof(optional hdr)         */
+       char f_flags[2];        /* flags                        */

 };
 
 };
 

-/* Bits for f_flags:
- *     F_RELFLG        relocation info stripped from file
- *     F_EXEC          file is executable (no unresolved external references)
- *     F_LNNO          line numbers stripped from file
- *     F_LSYMS         local symbols stripped from file
- *     F_AR32WR        file has byte ordering of an AR32WR machine (e.g. vax)
- */
-
-#define F_RELFLG       (0x0001)
-#define F_EXEC         (0x0002)
-#define F_LNNO         (0x0004)
-#define F_LSYMS                (0x0008)
-#define F_AR32WR       (0x0010)
-
-/*
- *     Intel 80960 (I960) processor flags.
- *     F_I960TYPE == mask for processor type field. 
- */
-
-#define        F_I960TYPE      (0xf000)
-#define        F_I960CORE      (0x1000)
-#define        F_I960KB        (0x2000)
-#define        F_I960SB        (0x2000)
-#define        F_I960MC        (0x3000)
-#define        F_I960XA        (0x4000)
-#define        F_I960CA        (0x5000)
-#define        F_I960KA        (0x6000)
-#define        F_I960SA        (0x6000)
-  
-  /*
-   * i80960 Magic Numbers
-   */

 
 

-#define I960ROMAGIC    (0x160) /* read-only text segments */
-#define I960RWMAGIC    (0x161) /* read-write text segments */
+/* Mips magics */
+#define MIPS_MAGIC_1 0x0180
+#define MIPS_MAGIC_2 0x0162
+#define MIPS_MAGIC_3 0x0160

 
 

-#define I960BADMAG(x) (((x).f_magic!=I960ROMAGIC) && ((x).f_magic!=I960RWMAGIC))
+#define ECOFFBADMAG(x) (((x).f_magic!=MIPS_MAGIC_1) && \
+                       ((x).f_magic!=MIPS_MAGIC_2) &&\
+                       ((x).f_magic!=MIPS_MAGIC_3))

 
 

-#define        FILHDR  struct filehdr
-#define        FILHSZ  sizeof(FILHDR)

 
 

+#define        FILHDR  struct external_filehdr
+#define        FILHSZ  20

 
 /********************** AOUT "OPTIONAL HEADER" **********************/
 
 
 /********************** AOUT "OPTIONAL HEADER" **********************/
 

-typedef struct {
-       unsigned long   phys_addr;
-       unsigned long   bitarray;
-} TAGBITS;

 
 

-
-/*  These appear to be used only by exec(2).  I don't know who cares
-    about them in a cross development environment.  In any case, this
-    is my collection after researching the issue for a few hours.
-    Apparently, most have these have remained essentially unchanged
-    since v7 days, although a few new ones have been added.  xoxorich.
-    Could we have a little more teleology please? -- Gumby */
-
-#define BAD0MAGIC   (0401)     /* (?) "lpd (UNIX/RT)" */
-#define BAD1MAGIC   (0405)     /* (?) overlay */
-#define OMAGIC      (0407)     /* old impure format. data immediately
-                                   follows text. both sections are rw. */
-#define NMAGIC      (0410)     /* split i&d, read-only text */
-#define A_MAGIC3    (0411)     /* (?) "separated I&D" */
-#define ZMAGIC      (0413)     /* like NMAGIC, but demand loaded */
-#define PAGEMAGIC2  (0414)     /* (?) like ZMAGIC, but address zero
-                                   explicitly unmapped. */ /*  */
-#define REGMAGIC    (0414)     /* (?) a PAGEMAGIC2 alias? */
-#define PAGEMAGIC3  (0415)     /* (?) like ZMAGIC, but address zero mapped. */
-#define A_MAGIC5    (0437)     /* (?) "system overlay, separated I&D" */
-#define SASMAGIC    (010000)   /* (?) "Single Address Space" */    
-#define MASMAGIC    (020000)   /* (?) "Multiple (separate I/D) Addr. Spaces" */
-
-typedef        struct aouthdr {
-       short           magic;  /* type of file                         */
-       short           vstamp; /* version stamp                        */
-       unsigned long   tsize;  /* text size in bytes, padded to FW bdry*/
-       unsigned long   dsize;  /* initialized data "  "                */
-       unsigned long   bsize;  /* uninitialized data "   "             */
-#if U3B
-       unsigned long   dum1;
-       unsigned long   dum2;   /* pad to entry point   */
-#endif
-       unsigned long   entry;  /* entry pt.                            */
-       unsigned long   text_start;     /* base of text used for this file */
-       unsigned long   data_start;     /* base of data used for this file */
-       unsigned long   tagentries;     /* number of tag entries to follow */
+typedef struct external_aouthdr
+{
+  char         magic[2];               /* type of file                         */
+  char vstamp[2];              /* version stamp                        */
+  char tsize[4];               /* text size in bytes, padded to FW bdry*/
+  char dsize[4];               /* initialized data "  "                */
+  char bsize[4];               /* uninitialized data "   "             */
+  char entry[4];               /* entry pt.                            */
+  char         text_start[4];          /* base of text used for this file */
+  char         data_start[4];          /* base of data used for this file */

 } AOUTHDR;
 
 } AOUTHDR;
 

-/* return a pointer to the tag bits array */
-
-#define TAGPTR(aout) ((TAGBITS *) (&(aout.tagentries)+1))
-

 /* compute size of a header */
 
 /* compute size of a header */
 

-/*#define AOUTSZ(aout) (sizeof(AOUTHDR)+(aout.tagentries*sizeof(TAGBITS)))*/

 #define AOUTSZ (sizeof(AOUTHDR))
 
 
 #define AOUTSZ (sizeof(AOUTHDR))
 
 

-/********************** STORAGE CLASSES **********************/
-
-#define C_EFCN         -1      /* physical end of function     */
-#define C_NULL         0
-#define C_AUTO         1       /* automatic variable           */
-#define C_EXT          2       /* external symbol              */
-#define C_STAT         3       /* static                       */
-#define C_REG          4       /* register variable            */
-#define C_EXTDEF       5       /* external definition          */
-#define C_LABEL                6       /* label                        */
-#define C_ULABEL       7       /* undefined label              */
-#define C_MOS          8       /* member of structure          */
-#define C_ARG          9       /* function argument            */
-#define C_STRTAG       10      /* structure tag                */
-#define C_MOU          11      /* member of union              */
-#define C_UNTAG                12      /* union tag                    */
-#define C_TPDEF                13      /* type definition              */
-#define C_USTATIC      14      /* undefined static             */
-#define C_ENTAG                15      /* enumeration tag              */
-#define C_MOE          16      /* member of enumeration        */
-#define C_REGPARM      17      /* register parameter           */
-#define C_FIELD                18      /* bit field                    */
-/* #define C_REGARG     19 */  /* My guess - but Intel specific*/
-#define C_AUTOARG      19      /* auto argument                */
-#define C_LASTENT      20      /* dummy entry (end of block)   */
-#define C_BLOCK                100     /* ".bb" or ".eb"               */
-#define C_FCN          101     /* ".bf" or ".ef"               */
-#define C_EOS          102     /* end of structure             */
-#define C_FILE         103     /* file name                    */
-#define C_LINE         104     /* line # reformatted as symbol table entry */
-#define C_ALIAS                105     /* duplicate tag                */
-#define C_HIDDEN       106     /* ext symbol in dmert public lib */
-
-       /* New storage classes for 80960 */
- 
-/* C_LEAFPROC is obsolete.  Use C_LEAFEXT or C_LEAFSTAT */
-#define C_LEAFPROC     108     /* Leaf procedure, "call" via BAL */
-
-#define C_SCALL                107     /* Procedure reachable via system call */
-#define C_LEAFEXT       108    /* External leaf */
-#define C_LEAFSTAT      113     /* Static leaf */
-#define C_OPTVAR       109     /* Optimized variable           */
-#define C_DEFINE       110     /* Preprocessor #define         */
-#define C_PRAGMA       111     /* Advice to compiler or linker */
-#define C_SEGMENT      112     /* 80960 segment name           */
-

 /********************** SECTION HEADER **********************/
 
 /********************** SECTION HEADER **********************/
 

-struct scnhdr {
+struct external_scnhdr {

        char            s_name[8];      /* section name                 */
        char            s_name[8];      /* section name                 */

-       long            s_paddr;        /* physical address, aliased s_nlib */
-       long            s_vaddr;        /* virtual address              */
-       long            s_size;         /* section size                 */
-       long            s_scnptr;       /* file ptr to raw data for section */
-       long            s_relptr;       /* file ptr to relocation       */
-       long            s_lnnoptr;      /* file ptr to line numbers     */
-       unsigned short  s_nreloc;       /* number of relocation entries */
-       unsigned short  s_nlnno;        /* number of line number entries*/
-       long            s_flags;        /* flags                        */
-#ifndef MIPS
- /* This field exists in Intel COFF, not in Mips ECOFF. */
-       unsigned long   s_align;        /* section alignment            */
-#endif
-};
-
-/*
- * names of "special" sections
- */
-#define _TEXT  ".text"
-#define _DATA  ".data"
-#define _BSS   ".bss"
-
-/*
- * s_flags "type"
- */
-#define STYP_REG        (0x0000) /* "regular": allocated, relocated, loaded */
-#define STYP_DSECT      (0x0001) /* "dummy":  relocated only*/
-#define STYP_NOLOAD     (0x0002) /* "noload": allocated, relocated, not loaded */
-#define STYP_GROUP      (0x0004) /* "grouped": formed of input sections */
-#define STYP_PAD        (0x0008) /* "padding": not allocated, not relocated, loaded */
-#define STYP_COPY       (0x0010) /* "copy": for decision function used by field update;  not allocated, not relocated,
-                                    loaded; reloc & lineno entries processed normally */
-#define STYP_TEXT       (0x0020) /* section contains text only */
-#define S_SHRSEG        (0x0020) /* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile
-                                    will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will
-                                    update all process invocations. */
-#define STYP_DATA       (0x0040) /* section contains data only */
-#define STYP_BSS        (0x0080) /* section contains bss only */
-#define S_NEWFCN        (0x0100) /* In a minimal file or an update file, a new function (as compared with a replaced function) */
-#define STYP_INFO       (0x0200) /* comment: not allocated not relocated, not loaded */
-#define STYP_OVER       (0x0400) /* overlay: relocated not allocated or loaded */
-#define STYP_LIB        (0x0800) /* for .lib: same as INFO */
-#define STYP_MERGE      (0x2000) /* merge section -- combines with text, data or bss sections only */
-#define STYP_REVERSE_PAD (0x4000) /* section will be padded with no-op instructions wherever padding is necessary and there is a
-                                    word of contiguous bytes beginning on a word boundary. */
-
-#define        SCNHDR  struct scnhdr
+       char            s_paddr[4];     /* physical address, aliased s_nlib */
+       char            s_vaddr[4];     /* virtual address              */
+       char            s_size[4];      /* section size                 */
+       char            s_scnptr[4];    /* file ptr to raw data for section */
+       char            s_relptr[4];    /* file ptr to relocation       */
+       char            s_lnnoptr[4];   /* file ptr to line numbers     */
+       char            s_nreloc[2];    /* number of relocation entries */
+       char            s_nlnno[2];     /* number of line number entries*/
+       char            s_flags[4];     /* flags                        */
+      };
+
+#define        SCNHDR  struct external_scnhdr

 #define        SCNHSZ  sizeof(SCNHDR)
 
 #define        SCNHSZ  sizeof(SCNHDR)
 

-
-/********************** LINE NUMBERS **********************/
-
-/* 1 line number entry for every "breakpointable" source line in a section.
- * Line numbers are grouped on a per function basis; first entry in a function
- * grouping will have l_lnno = 0 and in place of physical address will be the
- * symbol table index of the function name.
- */
-struct lineno {
-       union {
-               long l_symndx;  /* function name symbol index, iff l_lnno == 0*/
-               long l_paddr;   /* (physical) address of line number    */
-       } l_addr;
-       unsigned short  l_lnno; /* line number          */
-       char padding[2];        /* force alignment      */
-};
-
-#define        LINENO  struct lineno
-#define        LINESZ  sizeof(LINENO) 
-
-
-/********************** SYMBOLS **********************/
-
-#define SYMNMLEN       8       /* # characters in a symbol name        */
-#define FILNMLEN       14      /* # characters in a file name          */
-#define DIMNUM         4       /* # array dimensions in auxiliary entry */
-
-struct syment {
-       union {
-               char    _n_name[SYMNMLEN];      /* old COFF version     */
-               struct {
-                       long    _n_zeroes;      /* new == 0             */
-                       long    _n_offset;      /* offset into string table */
-               } _n_n;
-               char    *_n_nptr[2];    /* allows for overlaying        */
-       } _n;
-       long            n_value;        /* value of symbol              */
-       short           n_scnum;        /* section number               */
-       unsigned short  n_flags;        /* copy of flags from filhdr    */
-       unsigned long   n_type;         /* type and derived type        */
-       char            n_sclass;       /* storage class                */
-       char            n_numaux;       /* number of aux. entries       */
-       char            pad2[2];        /* force alignment              */
-};
-
-#define n_name         _n._n_name
-#define n_ptr          _n._n_nptr[1]
-#define n_zeroes       _n._n_n._n_zeroes
-#define n_offset       _n._n_n._n_offset
-

 /*
 /*

- * Relocatable symbols have number of the section in which they are defined,
- * or one of the following:
- */
-#define N_UNDEF        ((short)0)  /* undefined symbol */
-#define N_ABS  ((short)-1) /* value of symbol is absolute */
-#define N_DEBUG        ((short)-2) /* debugging symbol -- value is meaningless */
-#define N_TV   ((short)-3) /* indicates symbol needs preload transfer vector */
-#define P_TV   ((short)-4) /* indicates symbol needs postload transfer vector*/
-
-/*
- * Type of a symbol, in low 4 bits of the word
+ * names of "special" sections

  */
  */

-#define T_NULL         0
-#define T_VOID         1       /* function argument (only used by compiler) */
-#define T_CHAR         2       /* character            */
-#define T_SHORT                3       /* short integer        */
-#define T_INT          4       /* integer              */
-#define T_LONG         5       /* long integer         */
-#define T_FLOAT                6       /* floating point       */
-#define T_DOUBLE       7       /* double word          */
-#define T_STRUCT       8       /* structure            */
-#define T_UNION                9       /* union                */
-#define T_ENUM         10      /* enumeration          */
-#define T_MOE          11      /* member of enumeration*/
-#define T_UCHAR                12      /* unsigned character   */
-#define T_USHORT       13      /* unsigned short       */
-#define T_UINT         14      /* unsigned integer     */
-#define T_ULONG                15      /* unsigned long        */
-#define T_LNGDBL       16      /* long double          */
-
-/*
- * derived types, in n_type
-*/
-#define DT_NON         (0)     /* no derived type */
-#define DT_PTR         (1)     /* pointer */
-#define DT_FCN         (2)     /* function */
-#define DT_ARY         (3)     /* array */
-
-#define N_BTMASK       (0x1f)
-#define N_TMASK                (0x60)
-#define N_BTSHFT       (5)
-#define N_TSHIFT       (2)
-  
-#define BTYPE(x)       ((x) & N_BTMASK)
-
-#define ISPTR(x)       (((x) & N_TMASK) == (DT_PTR << N_BTSHFT))
-#define ISFCN(x)       (((x) & N_TMASK) == (DT_FCN << N_BTSHFT))
-#define ISARY(x)       (((x) & N_TMASK) == (DT_ARY << N_BTSHFT))
-
-#define DECREF(x) ((((x)>>N_TSHIFT)&~N_BTMASK)|((x)&N_BTMASK))
-
-union auxent {
-       struct {
-               long x_tagndx;  /* str, un, or enum tag indx */
-               union {
-                       struct {
-                           unsigned short x_lnno; /* declaration line number */
-                           unsigned short x_size; /* str/union/array size */
-                       } x_lnsz;
-                       long x_fsize;   /* size of function */
-               } x_misc;
-               union {
-                       struct {                /* if ISFCN, tag, or .bb */
-                           long x_lnnoptr;     /* ptr to fcn line # */
-                           long x_endndx;      /* entry ndx past block end */
-                       } x_fcn;
-                       struct {                /* if ISARY, up to 4 dimen. */
-                           unsigned short x_dimen[DIMNUM];
-                       } x_ary;
-               } x_fcnary;
-               unsigned short x_tvndx;         /* tv index */
-       } x_sym;
-
-       union {
-               char x_fname[FILNMLEN];
-               struct {
-                       long x_zeroes;
-                       long x_offset;
-               } x_n;
-       } x_file;
-
-       struct {
-               long x_scnlen;                  /* section length */
-               unsigned short x_nreloc;        /* # relocation entries */
-               unsigned short x_nlinno;        /* # line numbers */
-       } x_scn;
-
-        struct {
-               long            x_tvfill;       /* tv fill value */
-               unsigned short  x_tvlen;        /* length of .tv */
-               unsigned short  x_tvran[2];     /* tv range */
-       } x_tv;         /* info about .tv section (in auxent of symbol .tv)) */
+#define _TEXT   ".text"
+#define _DATA   ".data"
+#define _BSS    ".bss"

 
 

-       /******************************************
-        *  I960-specific *2nd* aux. entry formats
-        ******************************************/
-       struct {
-/* This is a very old typo that keeps getting propagated. */
-#define x_stdindx x_stindx
-               long x_stindx;  /* sys. table entry */
-       } x_sc; /* system call entry */
-
-       struct {
-               unsigned long x_balntry; /* BAL entry point */
-       } x_bal; /* BAL-callable function */
-
-        struct {
-               unsigned long   x_timestamp;            /* time stamp */
-               char    x_idstring[20];         /* producer identity string */
-       } x_ident;                              /* Producer ident info */
-
-       char a[sizeof(struct syment)];  /* force auxent/syment sizes to match */
-};
-
-#define        SYMENT  struct syment
-#define        SYMESZ  sizeof(SYMENT)  
-#define        AUXENT  union auxent
-#define        AUXESZ  sizeof(AUXENT)
-
-#if VAX || I960
-#      define _ETEXT   "_etext"
-#else
-#      define _ETEXT   "etext"
-#endif
+#define DEFAULT_DATA_SECTION_ALIGNMENT 4
+#define DEFAULT_BSS_SECTION_ALIGNMENT 4
+#define DEFAULT_TEXT_SECTION_ALIGNMENT 16
+/* For new sections we havn't heard of before */
+#define DEFAULT_SECTION_ALIGNMENT 4

 
 /********************** RELOCATION DIRECTIVES **********************/
 
 
 /********************** RELOCATION DIRECTIVES **********************/
 

-struct reloc {
-       long r_vaddr;           /* Virtual address of reference */
-       long r_symndx;          /* Index into symbol table      */
-       unsigned short r_type;  /* Relocation type              */
-       char pad[2];            /* Unused                       */
+struct external_reloc {
+  char r_vaddr[4];
+  char r_symndx[4];
+  char r_type[2];
+  char pad[2];

 };
 
 };
 

-/* Relevent values for r_type and i960.  Would someone please document them */

 
 

-#define R_RELLONG      (0x11)  /* Direct 32-bit relocation */
-#define R_IPRSHORT     (0x18)
-#define R_IPRMED       (0x19)  /* 24-bit ip-relative relocation */
-#define R_IPRLONG      (0x1a)
-#define R_OPTCALL      (0x1b)  /* 32-bit optimizable call (leafproc/sysproc) */
-#define R_OPTCALLX     (0x1c)  /* 64-bit optimizable call (leafproc/sysproc) */
-#define R_GETSEG       (0x1d)
-#define R_GETPA                (0x1e)
-#define R_TAGWORD      (0x1f)
+/* Relevent values for r_type and ecoff.  Would someone please document them */

 
 

-#define RELOC struct reloc
-#define RELSZ sizeof(RELOC)
-
-#define DEFAULT_DATA_SECTION_ALIGNMENT 4
-#define DEFAULT_BSS_SECTION_ALIGNMENT 4
-#define DEFAULT_TEXT_SECTION_ALIGNMENT 16
-/* For new sections we havn't heard of before */
-#define DEFAULT_SECTION_ALIGNMENT 4
+#define RELOC struct external_reloc
+#define RELSZ 12