diff options
| -rw-r--r-- | sys/i386/i386/procfs_machdep.c | 160 | ||||
| -rw-r--r-- | sys/i386/include/exec.h | 83 | ||||
| -rw-r--r-- | sys/i386/include/profile.h | 56 | ||||
| -rw-r--r-- | sys/i386/include/ptrace.h | 40 | ||||
| -rw-r--r-- | sys/i386/include/reloc.h | 44 | ||||
| -rw-r--r-- | sys/i386/include/signal.h | 61 | ||||
| -rw-r--r-- | sys/i386/include/varargs.h | 62 |
7 files changed, 506 insertions, 0 deletions
diff --git a/sys/i386/i386/procfs_machdep.c b/sys/i386/i386/procfs_machdep.c new file mode 100644 index 0000000..b3ad300 --- /dev/null +++ b/sys/i386/i386/procfs_machdep.c @@ -0,0 +1,160 @@ +/* + * Copyright (c) 1993 + * The Regents of the University of California. All rights reserved. + * Copyright (c) 1993 Jan-Simon Pendry + * + * This code is derived from software contributed to Berkeley by + * Jan-Simon Pendry. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)procfs_machdep.c 8.3 (Berkeley) 1/27/94 + * + * From: + * $Id: procfs_i386.c,v 3.2 1993/12/15 09:40:17 jsp Exp $ + */ + +/* + * Functions to be implemented here are: + * + * procfs_read_regs(proc, regs) + * Get the current user-visible register set from the process + * and copy it into the regs structure (<machine/reg.h>). + * The process is stopped at the time read_regs is called. + * + * procfs_write_regs(proc, regs) + * Update the current register set from the passed in regs + * structure. Take care to avoid clobbering special CPU + * registers or privileged bits in the PSL. + * The process is stopped at the time write_regs is called. + * + * procfs_read_fpregs, procfs_write_fpregs + * deal with the floating point register set, otherwise as above. + * + * procfs_sstep(proc) + * Arrange for the process to trap after executing a single instruction. + * + * procfs_fix_sstep(proc) + * Cleanup process state after executing a single-step instruction. + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/time.h> +#include <sys/kernel.h> +#include <sys/proc.h> +#include <sys/user.h> +#include <sys/vnode.h> +#include <machine/psl.h> +#include <machine/reg.h> +/*#include <machine/frame.h>*/ +#include <miscfs/procfs/procfs.h> + +int +procfs_read_regs(p, regs) + struct proc *p; + struct reg *regs; +{ + struct frame *f; + + if ((p->p_flag & P_INMEM) == 0) + return (EIO); + + f = (struct frame *) p->p_md.md_regs; + bcopy((void *) f->f_regs, (void *) regs->r_regs, sizeof(regs->r_regs)); + regs->r_pc = f->f_pc; + regs->r_sr = f->f_sr; + + return (0); +} + +/* + * Update the process's current register + * set. Depending on the architecture this + * may have fix-up work to do, especially + * if the IAR or PCW are modified. + */ +int +procfs_write_regs(p, regs) + struct proc *p; + struct reg *regs; +{ + struct frame *f; + + if ((p->p_flag & P_INMEM) == 0) + return (EIO); + + f = (struct frame *) p->p_md.md_regs; + bcopy((void *) regs->r_regs, (void *) f->f_regs, sizeof(f->f_regs)); + f->f_pc = regs->r_pc; + f->f_sr = regs->r_sr; + + return (0); +} + +int +procfs_read_fpregs(p, fpregs) + struct proc *p; + struct fpreg *fpregs; +{ + + return (EOPNOTSUPP); +} + +int +procfs_write_fpregs(p, fpregs) + struct proc *p; + struct fpreg *fpregs; +{ + + return (EOPNOTSUPP); +} + + +int +procfs_sstep(p) + struct proc *p; +{ + int error; + struct reg r; + + error = procfs_read_regs(p, &r); + if (error == 0) { + r.r_sr |= PSL_T; + error = procfs_write_regs(p, &r); + } + + return (error); +} + +void +procfs_fix_sstep(p) + struct proc *p; +{ +} diff --git a/sys/i386/include/exec.h b/sys/i386/include/exec.h new file mode 100644 index 0000000..eb587a4 --- /dev/null +++ b/sys/i386/include/exec.h @@ -0,0 +1,83 @@ +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)exec.h 8.1 (Berkeley) 6/11/93 + */ + +/* Size of a page in an object file. */ +#define __LDPGSZ 4096 + +/* Valid magic number check. */ +#define N_BADMAG(ex) \ + ((ex).a_magic != NMAGIC && (ex).a_magic != OMAGIC && \ + (ex).a_magic != ZMAGIC) + +/* Address of the bottom of the text segment. */ +#define N_TXTADDR(X) 0 + +/* Address of the bottom of the data segment. */ +#define N_DATADDR(ex) \ + (N_TXTADDR(ex) + ((ex).a_magic == OMAGIC ? (ex).a_text \ + : __LDPGSZ + ((ex).a_text - 1 & ~(__LDPGSZ - 1)))) + +/* Text segment offset. */ +#define N_TXTOFF(ex) \ + ((ex).a_magic == ZMAGIC ? __LDPGSZ : sizeof(struct exec)) + +/* Data segment offset. */ +#define N_DATOFF(ex) \ + (N_TXTOFF(ex) + ((ex).a_magic != ZMAGIC ? (ex).a_text : \ + __LDPGSZ + ((ex).a_text - 1 & ~(__LDPGSZ - 1)))) + +/* Symbol table offset. */ +#define N_SYMOFF(ex) \ + (N_TXTOFF(ex) + (ex).a_text + (ex).a_data + (ex).a_trsize + \ + (ex).a_drsize) + +/* String table offset. */ +#define N_STROFF(ex) (N_SYMOFF(ex) + (ex).a_syms) + +/* Description of the object file header (a.out format). */ +struct exec { +#define OMAGIC 0407 /* old impure format */ +#define NMAGIC 0410 /* read-only text */ +#define ZMAGIC 0413 /* demand load format */ + long a_magic; /* magic number */ + + u_long a_text; /* text segment size */ + u_long a_data; /* initialized data size */ + u_long a_bss; /* uninitialized data size */ + u_long a_syms; /* symbol table size */ + u_long a_entry; /* entry point */ + u_long a_trsize; /* text relocation size */ + u_long a_drsize; /* data relocation size */ +}; diff --git a/sys/i386/include/profile.h b/sys/i386/include/profile.h new file mode 100644 index 0000000..f30efff --- /dev/null +++ b/sys/i386/include/profile.h @@ -0,0 +1,56 @@ +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)profile.h 8.1 (Berkeley) 6/11/93 + */ + +#define _MCOUNT_DECL static inline void _mcount + +#define MCOUNT \ +extern void mcount() asm("mcount"); void mcount() { \ + int selfpc, frompcindex; \ + /* \ + * find the return address for mcount, \ + * and the return address for mcount's caller. \ + * \ + * selfpc = pc pushed by mcount call \ + */ \ + asm("movl 4(%%ebp),%0" : "=r" (selfpc)); \ + /* \ + * frompcindex = pc pushed by jsr into self. \ + * In GCC the caller's stack frame has already been built so we \ + * have to chase a6 to find caller's raddr. \ + */ \ + asm("movl (%%ebp),%0" : "=r" (frompcindex)); \ + frompcindex = ((int *)frompcindex)[1]; \ + _mcount(frompcindex, selfpc); \ +} diff --git a/sys/i386/include/ptrace.h b/sys/i386/include/ptrace.h new file mode 100644 index 0000000..bfcc55f --- /dev/null +++ b/sys/i386/include/ptrace.h @@ -0,0 +1,40 @@ +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)ptrace.h 8.1 (Berkeley) 6/11/93 + */ + +/* + * Machine dependent trace commands. + * + * None for the i386 at this time. + */ diff --git a/sys/i386/include/reloc.h b/sys/i386/include/reloc.h new file mode 100644 index 0000000..386241d --- /dev/null +++ b/sys/i386/include/reloc.h @@ -0,0 +1,44 @@ +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)reloc.h 8.1 (Berkeley) 6/10/93 + */ + +/* Relocation format. */ +struct relocation_info { + int r_address; /* offset in text or data segment */ + unsigned int r_symbolnum : 24, /* ordinal number of add symbol */ + r_pcrel : 1, /* 1 if value should be pc-relative */ + r_length : 2, /* log base 2 of value's width */ + r_extern : 1, /* 1 if need to add symbol to value */ + : 4; /* reserved */ +}; diff --git a/sys/i386/include/signal.h b/sys/i386/include/signal.h new file mode 100644 index 0000000..98793f2 --- /dev/null +++ b/sys/i386/include/signal.h @@ -0,0 +1,61 @@ +/* + * Copyright (c) 1986, 1989, 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)signal.h 8.1 (Berkeley) 6/11/93 + */ + +/* + * Machine-dependent signal definitions + */ + +typedef int sig_atomic_t; + +#ifndef _POSIX_SOURCE +#include <machine/trap.h> /* codes for SIGILL, SIGFPE */ +#endif + +/* + * Information pushed on stack when a signal is delivered. + * This is used by the kernel to restore state following + * execution of the signal handler. It is also made available + * to the handler to allow it to restore state properly if + * a non-standard exit is performed. + */ +struct sigcontext { + int sc_onstack; /* sigstack state to restore */ + int sc_mask; /* signal mask to restore */ + int sc_sp; /* sp to restore */ + int sc_fp; /* fp to restore */ + int sc_ap; /* ap to restore */ + int sc_pc; /* pc to restore */ + int sc_ps; /* psl to restore */ +}; diff --git a/sys/i386/include/varargs.h b/sys/i386/include/varargs.h new file mode 100644 index 0000000..1a913ec --- /dev/null +++ b/sys/i386/include/varargs.h @@ -0,0 +1,62 @@ +/*- + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * (c) UNIX System Laboratories, Inc. + * All or some portions of this file are derived from material licensed + * to the University of California by American Telephone and Telegraph + * Co. or Unix System Laboratories, Inc. and are reproduced herein with + * the permission of UNIX System Laboratories, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)varargs.h 8.2 (Berkeley) 3/22/94 + */ + +#ifndef _VARARGS_H_ +#define _VARARGS_H_ + +typedef char *va_list; + +#define va_dcl int va_alist; + +#define va_start(ap) \ + ap = (char *)&va_alist + +#ifdef KERNEL +#define va_arg(ap, type) \ + ((type *)(ap += sizeof(type)))[-1] +#else +#define va_arg(ap, type) \ + ((type *)(ap += sizeof(type) < sizeof(int) ? \ + (abort(), 0) : sizeof(type)))[-1] +#endif + +#define va_end(ap) + +#endif /* !_VARARGS_H_ */ |
