-/* @(#)ptrace.h 1.1 86/07/07 SMI */
+/* THIS FILE WAS `BORROWED' FROM A COPYRIGHTED
+ SUN MICROSYSTEMS INCLUDE FILE. IT NEEDS TO BE REBUILT FROM SCRATCH.
-/*
- * Copyright (c) 1985 by Sun Microsystems, Inc.
+ John Gilmore
+ Cygnus Support
*/
-
-/*
-modification history
---------------------
-01a,05jun90,llk borrowed.
-*/
-
-#ifndef _PTRACE_
-#define _PTRACE_
-
-/*
- * Request values for the ptrace system call
- */
-enum ptracereq {
- PTRACE_TRACEME = 0, /* 0, by tracee to begin tracing */
- PTRACE_CHILDDONE = 0, /* 0, tracee is done with his half */
- PTRACE_PEEKTEXT, /* 1, read word from text segment */
- PTRACE_PEEKDATA, /* 2, read word from data segment */
- PTRACE_PEEKUSER, /* 3, read word from user struct */
- PTRACE_POKETEXT, /* 4, write word into text segment */
- PTRACE_POKEDATA, /* 5, write word into data segment */
- PTRACE_POKEUSER, /* 6, write word into user struct */
- PTRACE_CONT, /* 7, continue process */
- PTRACE_KILL, /* 8, terminate process */
- PTRACE_SINGLESTEP, /* 9, single step process */
- PTRACE_ATTACH, /* 10, attach to an existing process */
- PTRACE_DETACH, /* 11, detach from a process */
- PTRACE_GETREGS, /* 12, get all registers */
- PTRACE_SETREGS, /* 13, set all registers */
- PTRACE_GETFPREGS, /* 14, get all floating point regs */
- PTRACE_SETFPREGS, /* 15, set all floating point regs */
- PTRACE_READDATA, /* 16, read data segment */
- PTRACE_WRITEDATA, /* 17, write data segment */
- PTRACE_READTEXT, /* 18, read text segment */
- PTRACE_WRITETEXT, /* 19, write text segment */
- PTRACE_GETFPAREGS, /* 20, get all fpa regs */
- PTRACE_SETFPAREGS /* 21, set all fpa regs */
-};
-#endif !_PTRACE
+FIXME
-/* @(#)reg.h 1.1 86/07/07 SMI */
-
-/*
- * Copyright (c) 1986 by Sun Microsystems, Inc.
- */
-
-/*
-modification history
---------------------
-01a,05jun90,llk borrowed.
-*/
-
#ifndef _REG_
#define _REG_
#else /* For now, just 68000 */
-/*
- * Location of the users' stored
- * registers relative to R0.
- * Usage is u.u_ar0[XX].
- */
-#define R0 (0)
-#define R1 (1)
-#define R2 (2)
-#define R3 (3)
-#define R4 (4)
-#define R5 (5)
-#define R6 (6)
-#define R7 (7)
-#define AR0 (8)
-#define AR1 (9)
-#define AR2 (10)
-#define AR3 (11)
-#define AR4 (12)
-#define AR5 (13)
-#define AR6 (14)
-#define AR7 (15)
-#define SP (15)
-#define PS (16)
-#define PC (17)
-
-/*
- * And now for something completely the same...
- */
-#ifndef LOCORE
-struct regs {
- int r_dreg[8]; /* data registers */
-#define r_r0 r_dreg[0] /* r0 for portability */
- int r_areg[8]; /* address registers */
-#define r_sp r_areg[7] /* user stack pointer */
- int r_sr; /* status register (actually a short) */
-#define r_ps r_sr
- int r_pc; /* program counter */
-};
-
-struct stkfmt {
- int f_stkfmt : 4; /* stack format */
- int : 2;
- int f_vector : 10; /* vector offset */
- short f_beibase; /* start of bus error info (if any) */
-};
-
-
-/*
- * Struct for floating point registers and general state
- * for the MC68881 (the sky fpp has no user visible state).
- * If fps_flags == FPS_UNUSED, the other 68881 fields have no meaning.
- * fps_code and fps_flags are software implemented fields.
- * fps_flags is not used when set by user level programs,
- * but changing fps_code has the side effect of changing u.u_code.
- */
-
-typedef struct ext_fp {
- int fp[3];
-} ext_fp; /* extended 96-bit 68881 fp registers */
-
-struct fp_status {
- ext_fp fps_regs[8]; /* 68881 floating point regs */
- int fps_control; /* 68881 control reg */
- int fps_status; /* 68881 status reg */
- int fps_iaddr; /* 68881 instruction address reg */
- int fps_code; /* additional word for signals */
- int fps_flags; /* r/o - unused, idle or busy */
-};
-#endif !LOCORE
-
-/*
- * Values defined for `fps_flags'.
- */
-#define FPS_UNUSED 0 /* 68881 never used yet */
-#define FPS_IDLE 1 /* 68881 instruction completed */
-#define FPS_BUSY 2 /* 68881 instruction interrupted */
-
-/*
- * The EXT_FPS_FLAGS() macro is used to convert a pointer to an
- * fp_istate into a value to be used for the user visible state
- * found in fps_flags. As a speed optimization, this convertion
- * is only done is required (e.g. the PTRACE_GETFPREGS ptrace
- * call or when dumping core) instead of on each context switch.
- * The tests that we base the state on are that a fpis_vers of
- * FPIS_VERSNULL means NULL state, else a fpis_bufsiz of FPIS_IDLESZ
- * means IDLE state, else we assume BUSY state.
- */
-#define FPIS_VERSNULL 0x0
-#define FPIS_IDLESIZE 0x18
-
-#define EXT_FPS_FLAGS(istatep) \
- ((istatep)->fpis_vers == FPIS_VERSNULL ? FPS_UNUSED : \
- (istatep)->fpis_bufsiz == FPIS_IDLESIZE ? FPS_IDLE : FPS_BUSY)
-
-#ifndef LOCORE
-/*
- * Struct for the internal state of the MC68881
- * Although the MC68881 can have a smaller maximum for
- * internal state, we allow for more to allow for expansion.
- */
-#define FPIS_BUFSIZ 0xc0
-
-struct fp_istate {
- unsigned char fpis_vers; /* version number */
- unsigned char fpis_bufsiz; /* size of info in fpis_buf */
- unsigned short fpis_reserved; /* reserved word */
- unsigned char fpis_buf[FPIS_BUFSIZ]; /* fpp internal state buffer */
-};
-
-/*
- * Structures for the status and data registers are defined here.
- * Struct fpa_status are included in the u area.
- * Struct fpa_regs is included in struct core.
- */
-
-/* struct fpa_status is saved/restored during context switch */
-struct fpa_status {
- unsigned int fpas_state; /* STATE, supervisor privileged reg */
- unsigned int fpas_imask; /* IMASK */
- unsigned int fpas_load_ptr; /* LOAD_PTR */
- unsigned int fpas_ierr; /* IERR */
- unsigned int fpas_act_instr; /* pipe active instruction halves */
- unsigned int fpas_nxt_instr; /* pipe next instruction halves */
- unsigned int fpas_act_d1half;/* pipe active data first half */
- unsigned int fpas_act_d2half;/* pipe active data second half */
- unsigned int fpas_nxt_d1half;/* pipe next data first half */
- unsigned int fpas_nxt_d2half;/* pipe next data second half */
- unsigned int fpas_mode3_0; /* FPA MODE3_0 register */
- unsigned int fpas_wstatus; /* FPA WSTATUS register */
-};
+/* THE 68000 VERSION OF THIS FILE WAS `BORROWED' FROM A COPYRIGHTED
+ SUN MICROSYSTEMS INCLUDE FILE. IT NEEDS TO BE REBUILT FROM SCRATCH.
-/*
- * Since there are 32 contexts supported by the FPA hardware,
- * when we do context switch on the FPA, we don't save/restore
- * the data registers between the FPA and the u area.
- * If there are already 32 processes using the fpa concurrently,
- * we give an error message to the 33rd process trying to use the fpa.
- * (Hopefully there will not be this many processes using FPA concurrently.)
+ John Gilmore
+ Cygnus Support
*/
-
-#define FPA_NCONTEXTS 32
-#define FPA_NDATA_REGS 32
-
-typedef struct fpa_long {
- int fpl_data[2];
-} fpa_long; /* 64 bit double precision registers */
-
-/* Struct fpa_regs is included in struct core. */
-struct fpa_regs {
- unsigned int fpar_flags; /* if zero, other fields are meaningless */
- struct fpa_status fpar_status;
- fpa_long fpar_data[FPA_NDATA_REGS];
-};
-
-/*
- * The size of struct fpa_regs is changed from 141 ints in 3.0 to
- * 77 ints in 3.x. A pad of this size difference is added to struct core.
- */
-#define CORE_PADLEN 64
-
-/*
- * If there is going to be external FPU state then we must define the FPU
- * variable
- */
-struct fpu {
- struct fp_status f_fpstatus; /* External FPP state, if any */
- struct fpa_regs f_fparegs; /* FPA registers, if any */
- int f_pad[CORE_PADLEN]; /* see comment above */
-};
-
-#endif !LOCORE
+FIXME
+
#endif /* !I80960 */
#endif !_REG_
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