usr/src/head/proc_service.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #ifndef _PROC_SERVICE_H
  27 #define _PROC_SERVICE_H
  28
  29 #pragma ident   "%Z%%M% %I%     %E% SMI"
  30
  31 /*
  32  *  Description:
  33  *      Types, global variables, and function definitions for provider
  34  * of import functions for users of libc_db and librtld_db.
  35  */
  36
  37 #ifdef __cplusplus
  38 extern "C" {
  39 #endif
  40
  41 #include <sys/types.h>
  42 #include <sys/procfs_isa.h>
  43 #include <sys/lwp.h>
  44 #include <sys/auxv.h>
  45 #include <elf.h>
  46 #if defined(__i386) || defined(__amd64) /* for struct ssd */
  47 #include <sys/segments.h>
  48 #include <sys/sysi86.h>
  49 #endif
  50
  51
  52 typedef unsigned long   psaddr_t;
  53
  54 typedef enum {
  55         PS_OK,          /* generic "call succeeded" */
  56         PS_ERR,         /* generic error */
  57         PS_BADPID,      /* bad process handle */
  58         PS_BADLID,      /* bad lwp identifier */
  59         PS_BADADDR,     /* bad address */
  60         PS_NOSYM,       /* p_lookup() could not find given symbol */
  61         PS_NOFREGS      /* FPU register set not available for given lwp */
  62 } ps_err_e;
  63
  64 struct ps_prochandle;
  65
  66 /*
  67  * See <sys/procfs_isa.h> for possible values of data_model.
  68  */
  69 extern ps_err_e ps_pdmodel(struct ps_prochandle *, int *data_model);
  70
  71 /*
  72  * Special values for 'object_name' to refer to certain well-known objects.
  73  */
  74 #define PS_OBJ_EXEC     ((const char *)0x0)     /* the executable file */
  75 #define PS_OBJ_LDSO     ((const char *)0x1)     /* the dynamic linker */
  76
  77 extern ps_err_e ps_pglobal_lookup(struct ps_prochandle *,
  78         const char *object_name, const char *sym_name, psaddr_t *sym_addr);
  79
  80 #ifdef _LP64
  81 typedef Elf64_Sym       ps_sym_t;
  82 #else
  83 typedef Elf32_Sym       ps_sym_t;
  84 #endif
  85 extern ps_err_e ps_pglobal_sym(struct ps_prochandle *,
  86         const char *object_name, const char *sym_name, ps_sym_t *sym);
  87
  88 /*
  89  * To read and write the process's address space.
  90  */
  91 extern ps_err_e ps_pread(struct ps_prochandle *,
  92                         psaddr_t, void *, size_t);
  93 extern ps_err_e ps_pwrite(struct ps_prochandle *,
  94                         psaddr_t, const void *, size_t);
  95 /*
  96  * The following four functions can be implemented as simple aliases for
  97  * the corresponding primary two functions above (#pragma weak ...).
  98  * They are artifacts of history that must be maintained.
  99  */
 100 extern ps_err_e ps_pdread(struct ps_prochandle *,
 101                         psaddr_t, void *, size_t);
 102 extern ps_err_e ps_pdwrite(struct ps_prochandle *,
 103                         psaddr_t, const void *, size_t);
 104 extern ps_err_e ps_ptread(struct ps_prochandle *,
 105                         psaddr_t, void *, size_t);
 106 extern ps_err_e ps_ptwrite(struct ps_prochandle *,
 107                         psaddr_t, const void *, size_t);
 108
 109 extern ps_err_e ps_pstop(struct ps_prochandle *);
 110 extern ps_err_e ps_pcontinue(struct ps_prochandle *);
 111 extern ps_err_e ps_lstop(struct ps_prochandle *, lwpid_t);
 112 extern ps_err_e ps_lcontinue(struct ps_prochandle *, lwpid_t);
 113
 114 extern ps_err_e ps_lgetregs(struct ps_prochandle *,
 115                         lwpid_t, prgregset_t);
 116 extern ps_err_e ps_lsetregs(struct ps_prochandle *,
 117                         lwpid_t, const prgregset_t);
 118 extern ps_err_e ps_lgetfpregs(struct ps_prochandle *,
 119                         lwpid_t, prfpregset_t *);
 120 extern ps_err_e ps_lsetfpregs(struct ps_prochandle *,
 121                         lwpid_t, const prfpregset_t *);
 122
 123 #if defined(__sparc) || defined(__sparcv9)
 124 extern ps_err_e ps_lgetxregsize(struct ps_prochandle *, lwpid_t, int *);
 125 extern ps_err_e ps_lgetxregs(struct ps_prochandle *, lwpid_t, caddr_t);
 126 extern ps_err_e ps_lsetxregs(struct ps_prochandle *, lwpid_t, caddr_t);
 127 #endif
 128
 129 #if defined(__i386) || defined(__amd64)
 130 extern ps_err_e ps_lgetLDT(struct ps_prochandle *, lwpid_t, struct ssd *);
 131 #endif
 132
 133 extern ps_err_e ps_pauxv(struct ps_prochandle *, const auxv_t **);
 134 extern ps_err_e ps_pbrandname(struct ps_prochandle *, char *, size_t);
 135
 136 extern ps_err_e ps_kill(struct ps_prochandle *, int sig);
 137 extern ps_err_e ps_lrolltoaddr(struct ps_prochandle *,
 138                         lwpid_t, psaddr_t go_addr, psaddr_t stop_addr);
 139
 140 extern void     ps_plog(const char *fmt, ...);
 141
 142 #ifdef __cplusplus
 143 }
 144 #endif
 145
 146 #endif  /* _PROC_SERVICE_H */