Various new reloc types

1 files changed, 446 insertions, 0 deletions

diff --git a/include/coff/internal.h b/include/coff/internal.h
new file mode 100644
index 0000000..62820df
--- /dev/null
+++ b/include/coff/internal.h
@@ -0,0 +1,446 @@
+/* Internal format of COFF object file data structures, for GNU BFD.
+   This file is part of BFD, the Binary File Descriptor library.  */
+
+/* First, make "signed char" work, even on old compilers. */
+#ifndef signed
+#ifndef __STDC__
+#define	signed	/**/
+#endif
+#endif
+
+/********************** FILE HEADER **********************/
+struct internal_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			*/
+};
+
+/* 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_AR16WR	file is 16-bit little-endian
+ *	F_AR32WR	file is 32-bit little-endian
+ *	F_AR32W		file is 32-bit big-endian
+ *	F_DYNLOAD	rs/6000 aix: dynamically loadable w/imports & exports
+ *	F_SHROBJ	rs/6000 aix: file is a shared object
+ */
+
+#define	F_RELFLG	(0x0001)
+#define	F_EXEC		(0x0002)
+#define	F_LNNO		(0x0004)
+#define	F_LSYMS		(0x0008)
+#define	F_AR16WR	(0x0080)
+#define	F_AR32WR	(0x0100)
+#define	F_AR32W     	(0x0200)
+#define	F_DYNLOAD	(0x1000)
+#define	F_SHROBJ	(0x2000)
+
+/********************** AOUT "OPTIONAL HEADER" **********************/
+struct internal_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 "   "		*/
+	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 */
+
+	/* i960 stuff */
+	unsigned long	tagentries;	/* number of tag entries to follow */
+
+	/* RS/6000 stuff */
+        unsigned long   o_toc;	/* address of TOC			*/
+        short		o_snentry;	/* section number for entry point */
+        short		o_sntext;	/* section number for text	*/
+        short		o_sndata;	/* section number for data	*/
+        short		o_sntoc;	/* section number for toc	*/
+        short		o_snloader;	/* section number for loader section */
+        short		o_snbss;	/* section number for bss	*/
+        short		o_algntext;	/* max alignment for text	*/
+        short		o_algndata;	/* max alignment for data	*/
+        short		o_modtype;	/* Module type field, 1R,RE,RO	*/
+        unsigned long   o_maxstack;     /* max stack size allowed.	*/
+};
+
+/********************** 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_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		*/
+
+	/* New storage classes for RS/6000 */
+#define C_HIDEXT        107     /* Un-named external symbol */
+#define C_BINCL         108     /* Marks beginning of include file */
+#define C_EINCL         109     /* Marks ending of include file */
+
+	/* storage classes for stab symbols for RS/6000 */
+#define C_GSYM          ((signed char)0x80)
+#define C_LSYM          ((signed char)0x81)
+#define C_PSYM          ((signed char)0x82)
+#define C_RSYM          ((signed char)0x83)
+#define C_RPSYM         ((signed char)0x84)
+#define C_STSYM         ((signed char)0x85)
+#define C_TCSYM         ((signed char)0x86)
+#define C_BCOMM         ((signed char)0x87)
+#define C_ECOML         ((signed char)0x88)
+#define C_ECOMM         ((signed char)0x89)
+#define C_DECL          ((signed char)0x8c)
+#define C_ENTRY         ((signed char)0x8d)
+#define C_FUN           ((signed char)0x8e)
+#define C_BSTAT         ((signed char)0x8f)
+#define C_ESTAT         ((signed char)0x90)
+
+/********************** SECTION HEADER **********************/
+struct internal_scnhdr {
+	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 long 	s_nreloc;	/* number of relocation entries	*/
+	unsigned long   s_nlnno;	/* number of line number entries*/
+	long		s_flags;	/* flags			*/
+#ifdef I960
+	long		s_align;	
+#endif
+};
+
+
+/*
+ * 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. */
+/********************** 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 internal_lineno {
+	union {
+		long l_symndx;	/* function name symbol index, iff l_lnno == 0*/
+		long l_paddr;	/* (physical) address of line number	*/
+	} l_addr;
+	unsigned long	l_lnno;	/* line number		*/
+};
+
+
+/********************** 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 internal_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 short	n_type;		/* type and derived type	*/
+	signed char	n_sclass;	/* storage class		*/
+	char		n_numaux;	/* number of aux. entries	*/
+};
+#define n_name		_n._n_name
+#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 N bits of the word
+ */
+#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 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 ISTAG(x)	((x)==C_STRTAG||(x)==C_UNTAG||(x)==C_ENTAG)
+#define DECREF(x) ((((x)>>N_TSHIFT)&~N_BTMASK)|((x)&N_BTMASK))
+
+
+union internal_auxent 
+{
+  struct {
+
+    union {
+      long l;			/* str, un, or enum tag indx */
+      struct coff_ptr_struct *p;
+    } x_tagndx;
+
+    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 # */
+	union { 		/* entry ndx past block end */
+	  long  l;
+	  struct coff_ptr_struct *p;
+	} x_endndx;
+      } 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)) */
+
+  /******************************************
+   * RS/6000-specific auxent - last auxent for every external symbol
+   ******************************************/
+  struct {
+    long            x_scnlen;       /* csect length */
+    long            x_parmhash;     /* parm type hash index */
+    unsigned short  x_snhash;       /* sect num with parm hash */
+    unsigned char   x_smtyp;        /* symbol align and type */
+				    /* 0-4 - Log 2 of alignment */
+				    /* 5-7 - symbol type */
+    unsigned char   x_smclas;       /* storage mapping class */
+    long            x_stab;         /* dbx stab info index */
+    unsigned short  x_snstab;       /* sect num with dbx stab */
+  } x_csect; /* csect definition information */
+
+/* x_smtyp values:  */
+
+#define	SMTYP_ALIGN(x)	((x) >> 3)	/* log2 of alignment */
+#define	SMTYP_SMTYP(x)	((x) & 0x7)	/* symbol type */
+/* Symbol type values:  */
+#define	XTY_ER	0	/* External reference */
+#define	XTY_SD	1	/* Csect definition */
+#define	XTY_LD	2	/* Label definition */
+#define XTY_CM	3	/* .BSS */
+#define	XTY_EM	4	/* Error message */
+#define	XTY_US	5	/* "Reserved for internal use" */
+
+/* x_smclas values:  */
+
+#define	XMC_PR	0	/* Read-only program code */
+#define	XMC_RO	1	/* Read-only constant */
+#define	XMC_DB	2	/* Read-only debug dictionary table */
+#define	XMC_TC	3	/* Read-write general TOC entry */
+#define	XMC_UA	4	/* Read-write unclassified */
+#define	XMC_RW	5	/* Read-write data */
+#define	XMC_GL	6	/* Read-only global linkage */
+#define	XMC_XO	7	/* Read-only extended operation (simulated insn) */
+#define	XMC_SV	8	/* Read-only supervisor call */
+#define	XMC_BS	9	/* Read-write BSS */
+#define	XMC_DS	10	/* Read-write descriptor csect */
+#define	XMC_UC	11	/* Read-write unnamed Fortran common */
+#define	XMC_TI	12	/* Read-only traceback index csect */
+#define	XMC_TB	13	/* Read-only traceback table csect */
+/* 		14	??? */
+#define	XMC_TC0	15	/* Read-write TOC anchor for TOC addressability */
+
+
+  /******************************************
+   *  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 */
+
+};
+
+/********************** RELOCATION DIRECTIVES **********************/
+
+struct internal_reloc 
+{
+	long r_vaddr;		/* Virtual address of reference */
+	long r_symndx;		/* Index into symbol table	*/
+	unsigned short r_type;	/* Relocation type		*/
+
+#if RS6000COFF_C
+	unsigned char  r_size;
+#endif
+
+	unsigned short r_offset;
+
+};
+
+#define R_RELBYTE	017
+#define R_RELWORD	020
+#define R_PCRBYTE	022
+#define R_PCRWORD	023
+#define R_PCRLONG	024
+
+#define R_DIR32		06
+#define	R_PCLONG	020
+#define R_RELBYTE	017
+#define R_RELWORD	020
+
+#define R_PCRBYTE	022
+#define R_PCRWORD	023
+#define R_PCRLONG	024
+
+
+#define R_PCR16L 128
+#define R_PCR26L 129
+#define R_VRT16  130
+#define R_HVRT16 131
+#define R_LVRT16 132
+#define R_VRT32  133
+#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)
+#define R_JUMPTARG	0x20	/* strange 29k 00xx00xx reloc */
+#define R_MOVB1    0x41    /* Special h8 16bit or 8 bit reloc for  mov.b */
+#define R_MOVB2    0x42    /* Special h8 opcode for 8bit which could
+			      be 16 */
+#define R_JMP1     0x43    /* Special h8 16bit jmp which could be
+			      pcrel */
+#define R_JMP2 0x44 /* a branch which used to be a jmp */