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1 /*
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2 * Copyright 2003-2005 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24 #ifndef _SALIBPROC_H_
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25 #define _SALIBPROC_H_
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26
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27 /*
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28 * The following definitions, prototypes are from Solaris libproc.h.
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29 * We used to use the copy of it from Solaris 8.0. But there are
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30 * problems with that approach in building this library across Solaris
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31 * versions. Solaris 10 has libproc.h in /usr/include. And libproc.h
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32 * varies slightly across Solaris versions. On Solaris 9, we get
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33 * 'sysret_t multiply defined' error. This is common minimum subset we
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34 * really need from libproc.h. The libproc.h in the current dir has
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35 * been left for reference and not used in build.
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36 */
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37
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38 #include <dlfcn.h>
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39 #include <gelf.h>
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40 #include <procfs.h>
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41 #include <proc_service.h>
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42 #include <fcntl.h>
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43 #include <unistd.h>
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44
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45 #ifdef __cplusplus
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46 extern "C" {
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47 #endif
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48
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49 /*
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50 * 'object_name' is the name of a load object obtained from an
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51 * iteration over the process's address space mappings (Pmapping_iter),
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52 * or an iteration over the process's mapped objects (Pobject_iter),
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53 * or else it is one of the special PR_OBJ_* values above.
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54 */
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55
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56 extern int Plookup_by_addr(struct ps_prochandle *,
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57 uintptr_t, char *, size_t, GElf_Sym *);
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58
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59 typedef int proc_map_f(void *, const prmap_t *, const char *);
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60 extern int Pobject_iter(struct ps_prochandle *, proc_map_f *, void *);
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61
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62 /*
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63 * Utility functions for processing arguments which should be /proc files,
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64 * pids, and/or core files. The returned error code can be passed to
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65 * Pgrab_error() in order to convert it to an error string.
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66 */
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67 #define PR_ARG_PIDS 0x1 /* Allow pid and /proc file arguments */
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68 #define PR_ARG_CORES 0x2 /* Allow core file arguments */
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69 #define PR_ARG_ANY (PR_ARG_PIDS | PR_ARG_CORES)
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70
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71 /* Flags accepted by Pgrab() (partial) */
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72 #define PGRAB_FORCE 0x02 /* Open the process w/o O_EXCL */
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73
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74 /* Error codes from Pgrab(), Pfgrab_core(), and Pgrab_core() */
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75 #define G_STRANGE -1 /* Unanticipated error, errno is meaningful */
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76 #define G_NOPROC 1 /* No such process */
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77 #define G_NOCORE 2 /* No such core file */
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78 #define G_NOPROCORCORE 3 /* No such proc or core (for proc_arg_grab) */
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79 #define G_NOEXEC 4 /* Cannot locate executable file */
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80 #define G_ZOMB 5 /* Zombie process */
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81 #define G_PERM 6 /* No permission */
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82 #define G_BUSY 7 /* Another process has control */
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83 #define G_SYS 8 /* System process */
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84 #define G_SELF 9 /* Process is self */
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85 #define G_INTR 10 /* Interrupt received while grabbing */
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86 #define G_LP64 11 /* Process is _LP64, self is ILP32 */
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87 #define G_FORMAT 12 /* File is not an ELF format core file */
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88 #define G_ELF 13 /* Libelf error, elf_errno() is meaningful */
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89 #define G_NOTE 14 /* Required PT_NOTE Phdr not present in core */
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90
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91 extern struct ps_prochandle *proc_arg_grab(const char *, int, int, int *);
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92 extern const pstatus_t *Pstatus(struct ps_prochandle *);
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93
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94 /* Flags accepted by Prelease (partial) */
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95 #define PRELEASE_CLEAR 0x10 /* Clear all tracing flags */
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96
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97 extern void Prelease(struct ps_prochandle *, int);
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98 extern int Psetrun(struct ps_prochandle *, int, int);
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99 extern int Pstop(struct ps_prochandle *, uint_t);
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100
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101 /*
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102 * Stack frame iteration interface.
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103 */
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104 typedef int proc_stack_f(void *, const prgregset_t, uint_t, const long *);
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105 extern int Pstack_iter(struct ps_prochandle *,
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106 const prgregset_t, proc_stack_f *, void *);
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107
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108 #define PR_OBJ_EVERY ((const char *)-1) /* search every load object */
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109
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110
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111 #ifdef __cplusplus
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112 }
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113 #endif
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114
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115 #endif /* _SALIBPROC_H_ */
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