Import sources from 2011-03-30 iso image - sys/include

1 files changed, 316 insertions, 0 deletions

diff --git a/sys/include/mach.h b/sys/include/mach.h
new file mode 100755
index 000000000..dd37bd977
--- /dev/null
+++ b/sys/include/mach.h
@@ -0,0 +1,316 @@
+/*
+ *	Architecture-dependent application data
+ */
+#include "a.out.h"
+#pragma	src	"/sys/src/libmach"
+#pragma	lib	"libmach.a"
+/*
+ *	Supported architectures:
+ *		mips,
+ *		68020,
+ *		i386,
+ *		amd64,
+ *		sparc,
+ *		sparc64,
+ *		mips2 (R4000)
+ *		arm
+ *		powerpc,
+ *		powerpc64
+ *		alpha
+ */
+enum
+{
+	MMIPS,			/* machine types */
+	MSPARC,
+	M68020,
+	MI386,
+	MI960,			/* retired */
+	M3210,			/* retired */
+	MMIPS2,
+	NMIPS2,
+	M29000,			/* retired */
+	MARM,
+	MPOWER,
+	MALPHA,
+	NMIPS,
+	MSPARC64,
+	MAMD64,
+	MPOWER64,
+				/* types of executables */
+	FNONE = 0,		/* unidentified */
+	FMIPS,			/* v.out */
+	FMIPSB,			/* mips bootable */
+	FSPARC,			/* k.out */
+	FSPARCB,		/* Sparc bootable */
+	F68020,			/* 2.out */
+	F68020B,		/* 68020 bootable */
+	FNEXTB,			/* Next bootable */
+	FI386,			/* 8.out */
+	FI386B,			/* I386 bootable */
+	FI960,			/* retired */
+	FI960B,			/* retired */
+	F3210,			/* retired */
+	FMIPS2BE,		/* 4.out */
+	F29000,			/* retired */
+	FARM,			/* 5.out */
+	FARMB,			/* ARM bootable */
+	FPOWER,			/* q.out */
+	FPOWERB,		/* power pc bootable */
+	FMIPS2LE,		/* 0.out */
+	FALPHA,			/* 7.out */
+	FALPHAB,		/* DEC Alpha bootable */
+	FMIPSLE,		/* 3k little endian */
+	FSPARC64,		/* u.out */
+	FAMD64,			/* 6.out */
+	FAMD64B,		/* 6.out bootable */
+	FPOWER64,		/* 9.out */
+	FPOWER64B,		/* 9.out bootable */
+
+	ANONE = 0,		/* dissembler types */
+	AMIPS,
+	AMIPSCO,		/* native mips */
+	ASPARC,
+	ASUNSPARC,		/* native sun */
+	A68020,
+	AI386,
+	AI8086,			/* oh god */
+	AI960,			/* retired */
+	A29000,			/* retired */
+	AARM,
+	APOWER,
+	AALPHA,
+	ASPARC64,
+	AAMD64,
+	APOWER64,
+				/* object file types */
+	Obj68020 = 0,		/* .2 */
+	ObjSparc,		/* .k */
+	ObjMips,		/* .v */
+	Obj386,			/* .8 */
+	Obj960,			/* retired */
+	Obj3210,		/* retired */
+	ObjMips2,		/* .4 */
+	Obj29000,		/* retired */
+	ObjArm,			/* .5 */
+	ObjPower,		/* .q */
+	ObjMips2le,		/* .0 */
+	ObjAlpha,		/* .7 */
+	ObjSparc64,		/* .u */
+	ObjAmd64,		/* .6 */
+	ObjSpim,		/* .0 */
+	ObjPower64,		/* .9 */
+	Maxobjtype,
+
+	CNONE  = 0,		/* symbol table classes */
+	CAUTO,
+	CPARAM,
+	CSTAB,
+	CTEXT,
+	CDATA,
+	CANY,			/* to look for any class */
+};
+
+typedef	struct	Map	Map;
+typedef struct	Symbol	Symbol;
+typedef	struct	Reglist	Reglist;
+typedef	struct	Mach	Mach;
+typedef	struct	Machdata Machdata;
+
+/*
+ * 	Structure to map a segment to a position in a file
+ */
+struct Map {
+	int	nsegs;			/* number of segments */
+	struct segment {		/* per-segment map */
+		char	*name;		/* the segment name */
+		int	fd;		/* file descriptor */
+		int	inuse;		/* in use - not in use */
+		int	cache;		/* should cache reads? */
+		uvlong	b;		/* base */
+		uvlong	e;		/* end */
+		vlong	f;		/* offset within file */
+	} seg[1];			/* actually n of these */
+};
+
+/*
+ *	Internal structure describing a symbol table entry
+ */
+struct Symbol {
+	void 	*handle;		/* used internally - owning func */
+	struct {
+		char	*name;
+		vlong	value;		/* address or stack offset */
+		char	type;		/* as in a.out.h */
+		char	class;		/* as above */
+		int	index;		/* in findlocal, globalsym, textsym */
+	};
+};
+
+/*
+ *	machine register description
+ */
+struct Reglist {
+	char	*rname;			/* register name */
+	short	roffs;			/* offset in u-block */
+	char	rflags;			/* INTEGER/FLOAT, WRITABLE */
+	char	rformat;		/* print format: 'x', 'X', 'f', '8', '3', 'Y', 'W' */
+};
+
+enum {					/* bits in rflags field */
+	RINT	= (0<<0),
+	RFLT	= (1<<0),
+	RRDONLY	= (1<<1),
+};
+
+/*
+ *	Machine-dependent data is stored in two structures:
+ *		Mach  - miscellaneous general parameters
+ *		Machdata - jump vector of service functions used by debuggers
+ *
+ *	Mach is defined in ?.c and set in executable.c
+ *
+ *	Machdata is defined in ?db.c
+ *		and set in the debugger startup.
+ */
+struct Mach{
+	char	*name;
+	int	mtype;			/* machine type code */
+	Reglist *reglist;		/* register set */
+	long	regsize;		/* sizeof registers in bytes */
+	long	fpregsize;		/* sizeof fp registers in bytes */
+	char	*pc;			/* pc name */
+	char	*sp;			/* sp name */
+	char	*link;			/* link register name */
+	char	*sbreg;			/* static base register name */
+	uvlong	sb;			/* static base register value */
+	int	pgsize;			/* page size */
+	uvlong	kbase;			/* kernel base address */
+	uvlong	ktmask;			/* ktzero = kbase & ~ktmask */
+	uvlong	utop;			/* user stack top */
+	int	pcquant;		/* quantization of pc */
+	int	szaddr;			/* sizeof(void*) */
+	int	szreg;			/* sizeof(register) */
+	int	szfloat;		/* sizeof(float) */
+	int	szdouble;		/* sizeof(double) */
+};
+
+extern	Mach	*mach;			/* Current machine */
+
+typedef uvlong	(*Rgetter)(Map*, char*);
+typedef	void	(*Tracer)(Map*, uvlong, uvlong, Symbol*);
+
+struct	Machdata {		/* Machine-dependent debugger support */
+	uchar	bpinst[4];			/* break point instr. */
+	short	bpsize;				/* size of break point instr. */
+
+	ushort	(*swab)(ushort);		/* ushort to local byte order */
+	ulong	(*swal)(ulong);			/* ulong to local byte order */
+	uvlong	(*swav)(uvlong);		/* uvlong to local byte order */
+	int	(*ctrace)(Map*, uvlong, uvlong, uvlong, Tracer); /* C traceback */
+	uvlong	(*findframe)(Map*, uvlong, uvlong, uvlong, uvlong);/* frame finder */
+	char*	(*excep)(Map*, Rgetter);	/* last exception */
+	ulong	(*bpfix)(uvlong);		/* breakpoint fixup */
+	int	(*sftos)(char*, int, void*);	/* single precision float */
+	int	(*dftos)(char*, int, void*);	/* double precision float */
+	int	(*foll)(Map*, uvlong, Rgetter, uvlong*);/* follow set */
+	int	(*das)(Map*, uvlong, char, char*, int);	/* symbolic disassembly */
+	int	(*hexinst)(Map*, uvlong, char*, int); 	/* hex disassembly */
+	int	(*instsize)(Map*, uvlong);	/* instruction size */
+};
+
+/*
+ *	Common a.out header describing all architectures
+ */
+typedef struct Fhdr
+{
+	char	*name;		/* identifier of executable */
+	uchar	type;		/* file type - see codes above */
+	uchar	hdrsz;		/* header size */
+	uchar	_magic;		/* _MAGIC() magic */
+	uchar	spare;
+	long	magic;		/* magic number */
+	uvlong	txtaddr;	/* text address */
+	vlong	txtoff;		/* start of text in file */
+	uvlong	dataddr;	/* start of data segment */
+	vlong	datoff;		/* offset to data seg in file */
+	vlong	symoff;		/* offset of symbol table in file */
+	uvlong	entry;		/* entry point */
+	vlong	sppcoff;	/* offset of sp-pc table in file */
+	vlong	lnpcoff;	/* offset of line number-pc table in file */
+	long	txtsz;		/* text size */
+	long	datsz;		/* size of data seg */
+	long	bsssz;		/* size of bss */
+	long	symsz;		/* size of symbol table */
+	long	sppcsz;		/* size of sp-pc table */
+	long	lnpcsz;		/* size of line number-pc table */
+} Fhdr;
+
+extern	int	asstype;	/* dissembler type - machdata.c */
+extern	Machdata *machdata;	/* jump vector - machdata.c */
+
+Map*		attachproc(int, int, int, Fhdr*);
+int		beieee80ftos(char*, int, void*);
+int		beieeesftos(char*, int, void*);
+int		beieeedftos(char*, int, void*);
+ushort		beswab(ushort);
+ulong		beswal(ulong);
+uvlong		beswav(uvlong);
+uvlong		ciscframe(Map*, uvlong, uvlong, uvlong, uvlong);
+int		cisctrace(Map*, uvlong, uvlong, uvlong, Tracer);
+int		crackhdr(int fd, Fhdr*);
+uvlong		file2pc(char*, long);
+int		fileelem(Sym**, uchar *, char*, int);
+long		fileline(char*, int, uvlong);
+int		filesym(int, char*, int);
+int		findlocal(Symbol*, char*, Symbol*);
+int		findseg(Map*, char*);
+int		findsym(uvlong, int, Symbol *);
+int		fnbound(uvlong, uvlong*);
+int		fpformat(Map*, Reglist*, char*, int, int);
+int		get1(Map*, uvlong, uchar*, int);
+int		get2(Map*, uvlong, ushort*);
+int		get4(Map*, uvlong, ulong*);
+int		get8(Map*, uvlong, uvlong*);
+int		geta(Map*, uvlong, uvlong*);
+int		getauto(Symbol*, int, int, Symbol*);
+Sym*		getsym(int);
+int		globalsym(Symbol *, int);
+char*		_hexify(char*, ulong, int);
+int		ieeesftos(char*, int, ulong);
+int		ieeedftos(char*, int, ulong, ulong);
+int		isar(Biobuf*);
+int		leieee80ftos(char*, int, void*);
+int		leieeesftos(char*, int, void*);
+int		leieeedftos(char*, int, void*);
+ushort		leswab(ushort);
+ulong		leswal(ulong);
+uvlong		leswav(uvlong);
+uvlong		line2addr(long, uvlong, uvlong);
+Map*		loadmap(Map*, int, Fhdr*);
+int		localaddr(Map*, char*, char*, uvlong*, Rgetter);
+int		localsym(Symbol*, int);
+int		lookup(char*, char*, Symbol*);
+void		machbytype(int);
+int		machbyname(char*);
+int		nextar(Biobuf*, int, char*);
+Map*		newmap(Map*, int);
+void		objtraverse(void(*)(Sym*, void*), void*);
+int		objtype(Biobuf*, char**);
+uvlong		pc2sp(uvlong);
+long		pc2line(uvlong);
+int		put1(Map*, uvlong, uchar*, int);
+int		put2(Map*, uvlong, ushort);
+int		put4(Map*, uvlong, ulong);
+int		put8(Map*, uvlong, uvlong);
+int		puta(Map*, uvlong, uvlong);
+int		readar(Biobuf*, int, vlong, int);
+int		readobj(Biobuf*, int);
+uvlong		riscframe(Map*, uvlong, uvlong, uvlong, uvlong);
+int		risctrace(Map*, uvlong, uvlong, uvlong, Tracer);
+int		setmap(Map*, int, uvlong, uvlong, vlong, char*);
+Sym*		symbase(long*);
+int		syminit(int, Fhdr*);
+int		symoff(char*, int, uvlong, int);
+void		textseg(uvlong, Fhdr*);
+int		textsym(Symbol*, int);
+void		unusemap(Map*, int);