| /* |
| * CDDL HEADER START |
| * |
| * The contents of this file are subject to the terms of the |
| * Common Development and Distribution License (the "License"). |
| * You may not use this file except in compliance with the License. |
| * |
| * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
| * or http://www.opensolaris.org/os/licensing. |
| * See the License for the specific language governing permissions |
| * and limitations under the License. |
| * |
| * When distributing Covered Code, include this CDDL HEADER in each |
| * file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
| * If applicable, add the following below this CDDL HEADER, with the |
| * fields enclosed by brackets "[]" replaced with your own identifying |
| * information: Portions Copyright [yyyy] [name of copyright owner] |
| * |
| * CDDL HEADER END |
| */ |
| |
| /* |
| * Copyright 2009 Sun Microsystems, Inc. All rights reserved. |
| * Use is subject to license terms. |
| * |
| * Portions Copyright 2007 Chad Mynhier |
| * Copyright 2012 DEY Storage Systems, Inc. All rights reserved. |
| * Copyright 2018, Joyent, Inc. |
| * Copyright (c) 2013 by Delphix. All rights reserved. |
| */ |
| |
| /* |
| * Interfaces available from the process control library, libproc. |
| */ |
| |
| #ifndef _LIBPROC_H |
| #define _LIBPROC_H |
| |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <nlist.h> |
| #include <door.h> |
| #include <gelf.h> |
| #include <proc_service.h> |
| #include <rtld_db.h> |
| #include <procfs.h> |
| #include <ucred.h> |
| #include <rctl.h> |
| #include <libctf.h> |
| #include <sys/stat.h> |
| #include <sys/statvfs.h> |
| #include <sys/auxv.h> |
| #include <sys/resource.h> |
| #include <sys/socket.h> |
| #include <sys/utsname.h> |
| #include <sys/corectl.h> |
| #include <sys/secflags.h> |
| #if defined(__i386) || defined(__amd64) |
| #include <sys/sysi86.h> |
| #endif |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* |
| * Opaque structure tag reference to a process control structure. |
| * Clients of libproc cannot look inside the process control structure. |
| * The implementation of struct ps_prochandle can change w/o affecting clients. |
| */ |
| struct ps_prochandle; |
| |
| /* |
| * Opaque structure tag reference to an lwp control structure. |
| */ |
| struct ps_lwphandle; |
| |
| extern int _libproc_debug; /* set non-zero to enable debugging fprintfs */ |
| extern int _libproc_no_qsort; /* set non-zero to inhibit sorting */ |
| /* of symbol tables */ |
| extern int _libproc_incore_elf; /* only use in-core elf data */ |
| |
| #if defined(__sparc) |
| #define R_RVAL1 R_O0 /* register holding a function return value */ |
| #define R_RVAL2 R_O1 /* 32 more bits for a 64-bit return value */ |
| #endif /* __sparc */ |
| |
| #if defined(__amd64) |
| #define R_PC REG_RIP |
| #define R_SP REG_RSP |
| #define R_RVAL1 REG_RAX /* register holding a function return value */ |
| #define R_RVAL2 REG_RDX /* 32 more bits for a 64-bit return value */ |
| #elif defined(__i386) |
| #define R_PC EIP |
| #define R_SP UESP |
| #define R_RVAL1 EAX /* register holding a function return value */ |
| #define R_RVAL2 EDX /* 32 more bits for a 64-bit return value */ |
| #endif /* __amd64 || __i386 */ |
| |
| #define R_RVAL R_RVAL1 /* simple function return value register */ |
| |
| /* maximum sizes of things */ |
| #define PRMAXSIG (32 * sizeof (sigset_t) / sizeof (uint32_t)) |
| #define PRMAXFAULT (32 * sizeof (fltset_t) / sizeof (uint32_t)) |
| #define PRMAXSYS (32 * sizeof (sysset_t) / sizeof (uint32_t)) |
| |
| /* State values returned by Pstate() */ |
| #define PS_RUN 1 /* process is running */ |
| #define PS_STOP 2 /* process is stopped */ |
| #define PS_LOST 3 /* process is lost to control (EAGAIN) */ |
| #define PS_UNDEAD 4 /* process is terminated (zombie) */ |
| #define PS_DEAD 5 /* process is terminated (core file) */ |
| #define PS_IDLE 6 /* process has not been run */ |
| |
| /* Flags accepted by Pgrab() */ |
| #define PGRAB_RETAIN 0x01 /* Retain tracing flags, else clear flags */ |
| #define PGRAB_FORCE 0x02 /* Open the process w/o O_EXCL */ |
| #define PGRAB_RDONLY 0x04 /* Open the process or core w/ O_RDONLY */ |
| #define PGRAB_NOSTOP 0x08 /* Open the process but do not stop it */ |
| #define PGRAB_INCORE 0x10 /* Use in-core data to build symbol tables */ |
| |
| /* Error codes from Pcreate() */ |
| #define C_STRANGE -1 /* Unanticipated error, errno is meaningful */ |
| #define C_FORK 1 /* Unable to fork */ |
| #define C_PERM 2 /* No permission (file set-id or unreadable) */ |
| #define C_NOEXEC 3 /* Cannot execute file */ |
| #define C_INTR 4 /* Interrupt received while creating */ |
| #define C_LP64 5 /* Program is _LP64, self is _ILP32 */ |
| #define C_NOENT 6 /* Cannot find executable file */ |
| |
| /* Error codes from Pgrab(), Pfgrab_core(), and Pgrab_core() */ |
| #define G_STRANGE -1 /* Unanticipated error, errno is meaningful */ |
| #define G_NOPROC 1 /* No such process */ |
| #define G_NOCORE 2 /* No such core file */ |
| #define G_NOPROCORCORE 3 /* No such proc or core (for proc_arg_grab) */ |
| #define G_NOEXEC 4 /* Cannot locate executable file */ |
| #define G_ZOMB 5 /* Zombie process */ |
| #define G_PERM 6 /* No permission */ |
| #define G_BUSY 7 /* Another process has control */ |
| #define G_SYS 8 /* System process */ |
| #define G_SELF 9 /* Process is self */ |
| #define G_INTR 10 /* Interrupt received while grabbing */ |
| #define G_LP64 11 /* Process is _LP64, self is ILP32 */ |
| #define G_FORMAT 12 /* File is not an ELF format core file */ |
| #define G_ELF 13 /* Libelf error, elf_errno() is meaningful */ |
| #define G_NOTE 14 /* Required PT_NOTE Phdr not present in core */ |
| #define G_ISAINVAL 15 /* Wrong ELF machine type */ |
| #define G_BADLWPS 16 /* Bad '/lwps' specification */ |
| #define G_NOFD 17 /* No more file descriptors */ |
| |
| |
| /* Flags accepted by Prelease */ |
| #define PRELEASE_CLEAR 0x10 /* Clear all tracing flags */ |
| #define PRELEASE_RETAIN 0x20 /* Retain final tracing flags */ |
| #define PRELEASE_HANG 0x40 /* Leave the process stopped */ |
| #define PRELEASE_KILL 0x80 /* Terminate the process */ |
| |
| typedef struct { /* argument descriptor for system call (Psyscall) */ |
| long arg_value; /* value of argument given to system call */ |
| void *arg_object; /* pointer to object in controlling process */ |
| char arg_type; /* AT_BYVAL, AT_BYREF */ |
| char arg_inout; /* AI_INPUT, AI_OUTPUT, AI_INOUT */ |
| ushort_t arg_size; /* if AT_BYREF, size of object in bytes */ |
| } argdes_t; |
| |
| /* values for type */ |
| #define AT_BYVAL 1 |
| #define AT_BYREF 2 |
| |
| /* values for inout */ |
| #define AI_INPUT 1 |
| #define AI_OUTPUT 2 |
| #define AI_INOUT 3 |
| |
| /* maximum number of syscall arguments */ |
| #define MAXARGS 8 |
| |
| /* maximum size in bytes of a BYREF argument */ |
| #define MAXARGL (4*1024) |
| |
| /* |
| * Ops vector definition for the Pgrab_ops(). |
| */ |
| typedef ssize_t (*pop_pread_t)(struct ps_prochandle *, void *, size_t, |
| uintptr_t, void *); |
| typedef ssize_t (*pop_pwrite_t)(struct ps_prochandle *, const void *, size_t, |
| uintptr_t, void *); |
| typedef int (*pop_read_maps_t)(struct ps_prochandle *, prmap_t **, ssize_t *, |
| void *); |
| typedef void (*pop_read_aux_t)(struct ps_prochandle *, auxv_t **, int *, |
| void *); |
| typedef int (*pop_cred_t)(struct ps_prochandle *, prcred_t *, int, |
| void *); |
| typedef int (*pop_priv_t)(struct ps_prochandle *, prpriv_t **, void *); |
| typedef int (*pop_secflags_t)(struct ps_prochandle *, prsecflags_t **, void *); |
| typedef const psinfo_t *(*pop_psinfo_t)(struct ps_prochandle *, psinfo_t *, |
| void *); |
| typedef void (*pop_status_t)(struct ps_prochandle *, pstatus_t *, void *); |
| typedef prheader_t *(*pop_lstatus_t)(struct ps_prochandle *, void *); |
| typedef prheader_t *(*pop_lpsinfo_t)(struct ps_prochandle *, void *); |
| typedef void (*pop_fini_t)(struct ps_prochandle *, void *); |
| typedef char *(*pop_platform_t)(struct ps_prochandle *, char *, size_t, void *); |
| typedef int (*pop_uname_t)(struct ps_prochandle *, struct utsname *, void *); |
| typedef char *(*pop_zonename_t)(struct ps_prochandle *, char *, size_t, void *); |
| typedef char *(*pop_execname_t)(struct ps_prochandle *, char *, size_t, void *); |
| #if defined(__i386) || defined(__amd64) |
| typedef int (*pop_ldt_t)(struct ps_prochandle *, struct ssd *, int, void *); |
| #endif |
| |
| typedef struct ps_ops { |
| pop_pread_t pop_pread; |
| pop_pwrite_t pop_pwrite; |
| pop_read_maps_t pop_read_maps; |
| pop_read_aux_t pop_read_aux; |
| pop_cred_t pop_cred; |
| pop_priv_t pop_priv; |
| pop_psinfo_t pop_psinfo; |
| pop_status_t pop_status; |
| pop_lstatus_t pop_lstatus; |
| pop_lpsinfo_t pop_lpsinfo; |
| pop_fini_t pop_fini; |
| pop_platform_t pop_platform; |
| pop_uname_t pop_uname; |
| pop_zonename_t pop_zonename; |
| pop_execname_t pop_execname; |
| pop_secflags_t pop_secflags; |
| #if defined(__i386) || defined(__amd64) |
| pop_ldt_t pop_ldt; |
| #endif |
| } ps_ops_t; |
| |
| /* |
| * Function prototypes for routines in the process control package. |
| */ |
| extern struct ps_prochandle *Pcreate(const char *, char *const *, |
| int *, char *, size_t); |
| extern struct ps_prochandle *Pxcreate(const char *, char *const *, |
| char *const *, int *, char *, size_t); |
| |
| extern const char *Pcreate_error(int); |
| |
| extern struct ps_prochandle *Pgrab(pid_t, int, int *); |
| extern struct ps_prochandle *Pgrab_core(const char *, const char *, int, int *); |
| extern struct ps_prochandle *Pfgrab_core(int, const char *, int *); |
| extern struct ps_prochandle *Pgrab_file(const char *, int *); |
| extern struct ps_prochandle *Pgrab_ops(pid_t, void *, const ps_ops_t *, int); |
| extern const char *Pgrab_error(int); |
| |
| extern int Preopen(struct ps_prochandle *); |
| extern void Prelease(struct ps_prochandle *, int); |
| extern void Pfree(struct ps_prochandle *); |
| |
| extern int Pasfd(struct ps_prochandle *); |
| extern char *Pbrandname(struct ps_prochandle *, char *, size_t); |
| extern int Pctlfd(struct ps_prochandle *); |
| extern int Pcreate_agent(struct ps_prochandle *); |
| extern void Pdestroy_agent(struct ps_prochandle *); |
| extern int Pstopstatus(struct ps_prochandle *, long, uint_t); |
| extern int Pwait(struct ps_prochandle *, uint_t); |
| extern int Pstop(struct ps_prochandle *, uint_t); |
| extern int Pdstop(struct ps_prochandle *); |
| extern int Pstate(struct ps_prochandle *); |
| extern const psinfo_t *Ppsinfo(struct ps_prochandle *); |
| extern const pstatus_t *Pstatus(struct ps_prochandle *); |
| extern int Pcred(struct ps_prochandle *, prcred_t *, int); |
| extern int Psetcred(struct ps_prochandle *, const prcred_t *); |
| extern int Ppriv(struct ps_prochandle *, prpriv_t **); |
| extern void Ppriv_free(struct ps_prochandle *, prpriv_t *); |
| extern int Psetpriv(struct ps_prochandle *, prpriv_t *); |
| extern void *Pprivinfo(struct ps_prochandle *); |
| extern int Psetzoneid(struct ps_prochandle *, zoneid_t); |
| extern int Pgetareg(struct ps_prochandle *, int, prgreg_t *); |
| extern int Pputareg(struct ps_prochandle *, int, prgreg_t); |
| extern int Psetrun(struct ps_prochandle *, int, int); |
| extern int Psecflags(struct ps_prochandle *, prsecflags_t **); |
| extern void Psecflags_free(prsecflags_t *); |
| extern ssize_t Pread(struct ps_prochandle *, void *, size_t, uintptr_t); |
| extern ssize_t Pread_string(struct ps_prochandle *, char *, size_t, uintptr_t); |
| extern ssize_t Pwrite(struct ps_prochandle *, const void *, size_t, uintptr_t); |
| extern int Pclearsig(struct ps_prochandle *); |
| extern int Pclearfault(struct ps_prochandle *); |
| extern int Psetbkpt(struct ps_prochandle *, uintptr_t, ulong_t *); |
| extern int Pdelbkpt(struct ps_prochandle *, uintptr_t, ulong_t); |
| extern int Pxecbkpt(struct ps_prochandle *, ulong_t); |
| extern int Psetwapt(struct ps_prochandle *, const prwatch_t *); |
| extern int Pdelwapt(struct ps_prochandle *, const prwatch_t *); |
| extern int Pxecwapt(struct ps_prochandle *, const prwatch_t *); |
| extern int Psetflags(struct ps_prochandle *, long); |
| extern int Punsetflags(struct ps_prochandle *, long); |
| extern int Psignal(struct ps_prochandle *, int, int); |
| extern int Pfault(struct ps_prochandle *, int, int); |
| extern int Psysentry(struct ps_prochandle *, int, int); |
| extern int Psysexit(struct ps_prochandle *, int, int); |
| extern void Psetsignal(struct ps_prochandle *, const sigset_t *); |
| extern void Psetfault(struct ps_prochandle *, const fltset_t *); |
| extern void Psetsysentry(struct ps_prochandle *, const sysset_t *); |
| extern void Psetsysexit(struct ps_prochandle *, const sysset_t *); |
| |
| extern void Psync(struct ps_prochandle *); |
| extern int Psyscall(struct ps_prochandle *, sysret_t *, |
| int, uint_t, argdes_t *); |
| extern int Pisprocdir(struct ps_prochandle *, const char *); |
| |
| /* |
| * Function prototypes for lwp-specific operations. |
| */ |
| extern struct ps_lwphandle *Lgrab(struct ps_prochandle *, lwpid_t, int *); |
| extern const char *Lgrab_error(int); |
| |
| extern struct ps_prochandle *Lprochandle(struct ps_lwphandle *); |
| extern void Lfree(struct ps_lwphandle *); |
| |
| extern int Lctlfd(struct ps_lwphandle *); |
| extern int Lwait(struct ps_lwphandle *, uint_t); |
| extern int Lstop(struct ps_lwphandle *, uint_t); |
| extern int Ldstop(struct ps_lwphandle *); |
| extern int Lstate(struct ps_lwphandle *); |
| extern const lwpsinfo_t *Lpsinfo(struct ps_lwphandle *); |
| extern const lwpstatus_t *Lstatus(struct ps_lwphandle *); |
| extern int Lgetareg(struct ps_lwphandle *, int, prgreg_t *); |
| extern int Lputareg(struct ps_lwphandle *, int, prgreg_t); |
| extern int Lsetrun(struct ps_lwphandle *, int, int); |
| extern int Lclearsig(struct ps_lwphandle *); |
| extern int Lclearfault(struct ps_lwphandle *); |
| extern int Lxecbkpt(struct ps_lwphandle *, ulong_t); |
| extern int Lxecwapt(struct ps_lwphandle *, const prwatch_t *); |
| extern void Lsync(struct ps_lwphandle *); |
| |
| extern int Lstack(struct ps_lwphandle *, stack_t *); |
| extern int Lmain_stack(struct ps_lwphandle *, stack_t *); |
| extern int Lalt_stack(struct ps_lwphandle *, stack_t *); |
| |
| /* |
| * Function prototypes for system calls forced on the victim process. |
| */ |
| extern int pr_open(struct ps_prochandle *, const char *, int, mode_t); |
| extern int pr_creat(struct ps_prochandle *, const char *, mode_t); |
| extern int pr_close(struct ps_prochandle *, int); |
| extern int pr_access(struct ps_prochandle *, const char *, int); |
| extern int pr_door_info(struct ps_prochandle *, int, struct door_info *); |
| extern void *pr_mmap(struct ps_prochandle *, |
| void *, size_t, int, int, int, off_t); |
| extern void *pr_zmap(struct ps_prochandle *, |
| void *, size_t, int, int); |
| extern int pr_munmap(struct ps_prochandle *, void *, size_t); |
| extern int pr_memcntl(struct ps_prochandle *, |
| caddr_t, size_t, int, caddr_t, int, int); |
| extern int pr_meminfo(struct ps_prochandle *, const uint64_t *addrs, |
| int addr_count, const uint_t *info, int info_count, |
| uint64_t *outdata, uint_t *validity); |
| extern int pr_sigaction(struct ps_prochandle *, |
| int, const struct sigaction *, struct sigaction *); |
| extern int pr_getitimer(struct ps_prochandle *, |
| int, struct itimerval *); |
| extern int pr_setitimer(struct ps_prochandle *, |
| int, const struct itimerval *, struct itimerval *); |
| extern int pr_ioctl(struct ps_prochandle *, int, int, void *, size_t); |
| extern int pr_fcntl(struct ps_prochandle *, int, int, void *); |
| extern int pr_stat(struct ps_prochandle *, const char *, struct stat *); |
| extern int pr_lstat(struct ps_prochandle *, const char *, struct stat *); |
| extern int pr_fstat(struct ps_prochandle *, int, struct stat *); |
| extern int pr_stat64(struct ps_prochandle *, const char *, |
| struct stat64 *); |
| extern int pr_lstat64(struct ps_prochandle *, const char *, |
| struct stat64 *); |
| extern int pr_fstat64(struct ps_prochandle *, int, struct stat64 *); |
| extern int pr_statvfs(struct ps_prochandle *, const char *, statvfs_t *); |
| extern int pr_fstatvfs(struct ps_prochandle *, int, statvfs_t *); |
| extern projid_t pr_getprojid(struct ps_prochandle *Pr); |
| extern taskid_t pr_gettaskid(struct ps_prochandle *Pr); |
| extern taskid_t pr_settaskid(struct ps_prochandle *Pr, projid_t project, |
| int flags); |
| extern zoneid_t pr_getzoneid(struct ps_prochandle *Pr); |
| extern int pr_getrctl(struct ps_prochandle *, |
| const char *, rctlblk_t *, rctlblk_t *, int); |
| extern int pr_setrctl(struct ps_prochandle *, |
| const char *, rctlblk_t *, rctlblk_t *, int); |
| extern int pr_getrlimit(struct ps_prochandle *, |
| int, struct rlimit *); |
| extern int pr_setrlimit(struct ps_prochandle *, |
| int, const struct rlimit *); |
| extern int pr_setprojrctl(struct ps_prochandle *, const char *, |
| rctlblk_t *, size_t, int); |
| #if defined(_LARGEFILE64_SOURCE) |
| extern int pr_getrlimit64(struct ps_prochandle *, |
| int, struct rlimit64 *); |
| extern int pr_setrlimit64(struct ps_prochandle *, |
| int, const struct rlimit64 *); |
| #endif /* _LARGEFILE64_SOURCE */ |
| extern int pr_lwp_exit(struct ps_prochandle *); |
| extern int pr_exit(struct ps_prochandle *, int); |
| extern int pr_waitid(struct ps_prochandle *, |
| idtype_t, id_t, siginfo_t *, int); |
| extern off_t pr_lseek(struct ps_prochandle *, int, off_t, int); |
| extern offset_t pr_llseek(struct ps_prochandle *, int, offset_t, int); |
| extern int pr_rename(struct ps_prochandle *, const char *, const char *); |
| extern int pr_link(struct ps_prochandle *, const char *, const char *); |
| extern int pr_unlink(struct ps_prochandle *, const char *); |
| extern int pr_getpeerucred(struct ps_prochandle *, int, ucred_t **); |
| extern int pr_getpeername(struct ps_prochandle *, |
| int, struct sockaddr *, socklen_t *); |
| extern int pr_getsockname(struct ps_prochandle *, |
| int, struct sockaddr *, socklen_t *); |
| extern int pr_getsockopt(struct ps_prochandle *, |
| int, int, int, void *, int *); |
| extern int pr_processor_bind(struct ps_prochandle *, |
| idtype_t, id_t, int, int *); |
| |
| /* |
| * Function prototypes for accessing per-LWP register information. |
| */ |
| extern int Plwp_getregs(struct ps_prochandle *, lwpid_t, prgregset_t); |
| extern int Plwp_setregs(struct ps_prochandle *, lwpid_t, const prgregset_t); |
| |
| extern int Plwp_getfpregs(struct ps_prochandle *, lwpid_t, prfpregset_t *); |
| extern int Plwp_setfpregs(struct ps_prochandle *, lwpid_t, |
| const prfpregset_t *); |
| |
| #if defined(__sparc) |
| |
| extern int Plwp_getxregs(struct ps_prochandle *, lwpid_t, prxregset_t *); |
| extern int Plwp_setxregs(struct ps_prochandle *, lwpid_t, const prxregset_t *); |
| |
| extern int Plwp_getgwindows(struct ps_prochandle *, lwpid_t, gwindows_t *); |
| |
| #if defined(__sparcv9) |
| extern int Plwp_getasrs(struct ps_prochandle *, lwpid_t, asrset_t); |
| extern int Plwp_setasrs(struct ps_prochandle *, lwpid_t, const asrset_t); |
| #endif /* __sparcv9 */ |
| |
| #endif /* __sparc */ |
| |
| #if defined(__i386) || defined(__amd64) |
| extern int Pldt(struct ps_prochandle *, struct ssd *, int); |
| extern int proc_get_ldt(pid_t, struct ssd *, int); |
| #endif /* __i386 || __amd64 */ |
| |
| extern int Plwp_getname(struct ps_prochandle *, lwpid_t, char *, size_t); |
| extern int Plwp_getpsinfo(struct ps_prochandle *, lwpid_t, lwpsinfo_t *); |
| extern int Plwp_getspymaster(struct ps_prochandle *, lwpid_t, psinfo_t *); |
| |
| extern int Plwp_stack(struct ps_prochandle *, lwpid_t, stack_t *); |
| extern int Plwp_main_stack(struct ps_prochandle *, lwpid_t, stack_t *); |
| extern int Plwp_alt_stack(struct ps_prochandle *, lwpid_t, stack_t *); |
| |
| /* |
| * LWP iteration interface; iterate over all active LWPs. |
| */ |
| typedef int proc_lwp_f(void *, const lwpstatus_t *); |
| extern int Plwp_iter(struct ps_prochandle *, proc_lwp_f *, void *); |
| |
| /* |
| * LWP iteration interface; iterate over all LWPs, active and zombie. |
| */ |
| typedef int proc_lwp_all_f(void *, const lwpstatus_t *, const lwpsinfo_t *); |
| extern int Plwp_iter_all(struct ps_prochandle *, proc_lwp_all_f *, void *); |
| |
| /* |
| * Process iteration interface; iterate over all non-system processes. |
| */ |
| typedef int proc_walk_f(psinfo_t *, lwpsinfo_t *, void *); |
| extern int proc_walk(proc_walk_f *, void *, int); |
| |
| #define PR_WALK_PROC 0 /* walk processes only */ |
| #define PR_WALK_LWP 1 /* walk all lwps */ |
| |
| /* |
| * Determine if an lwp is in a set as returned from proc_arg_xgrab(). |
| */ |
| extern int proc_lwp_in_set(const char *, lwpid_t); |
| extern int proc_lwp_range_valid(const char *); |
| |
| /* |
| * Symbol table interfaces. |
| */ |
| |
| /* |
| * Pseudo-names passed to Plookup_by_name() for well-known load objects. |
| * NOTE: It is required that PR_OBJ_EXEC and PR_OBJ_LDSO exactly match |
| * the definitions of PS_OBJ_EXEC and PS_OBJ_LDSO from <proc_service.h>. |
| */ |
| #define PR_OBJ_EXEC ((const char *)0) /* search the executable file */ |
| #define PR_OBJ_LDSO ((const char *)1) /* search ld.so.1 */ |
| #define PR_OBJ_EVERY ((const char *)-1) /* search every load object */ |
| |
| /* |
| * Special Lmid_t passed to Plookup_by_lmid() to search all link maps. The |
| * special values LM_ID_BASE and LM_ID_LDSO from <link.h> may also be used. |
| * If PR_OBJ_EXEC is used as the object name, the lmid must be PR_LMID_EVERY |
| * or LM_ID_BASE in order to return a match. If PR_OBJ_LDSO is used as the |
| * object name, the lmid must be PR_LMID_EVERY or LM_ID_LDSO to return a match. |
| */ |
| #define PR_LMID_EVERY ((Lmid_t)-1UL) /* search every link map */ |
| |
| /* |
| * 'object_name' is the name of a load object obtained from an |
| * iteration over the process's address space mappings (Pmapping_iter), |
| * or an iteration over the process's mapped objects (Pobject_iter), |
| * or else it is one of the special PR_OBJ_* values above. |
| */ |
| extern int Plookup_by_name(struct ps_prochandle *, |
| const char *, const char *, GElf_Sym *); |
| |
| extern int Plookup_by_addr(struct ps_prochandle *, |
| uintptr_t, char *, size_t, GElf_Sym *); |
| |
| typedef struct prsyminfo { |
| const char *prs_object; /* object name */ |
| const char *prs_name; /* symbol name */ |
| Lmid_t prs_lmid; /* link map id */ |
| uint_t prs_id; /* symbol id */ |
| uint_t prs_table; /* symbol table id */ |
| } prsyminfo_t; |
| |
| extern int Pxlookup_by_name(struct ps_prochandle *, |
| Lmid_t, const char *, const char *, GElf_Sym *, prsyminfo_t *); |
| |
| extern int Pxlookup_by_addr(struct ps_prochandle *, |
| uintptr_t, char *, size_t, GElf_Sym *, prsyminfo_t *); |
| extern int Pxlookup_by_addr_resolved(struct ps_prochandle *, |
| uintptr_t, char *, size_t, GElf_Sym *, prsyminfo_t *); |
| |
| typedef int proc_map_f(void *, const prmap_t *, const char *); |
| |
| extern int Pmapping_iter(struct ps_prochandle *, proc_map_f *, void *); |
| extern int Pmapping_iter_resolved(struct ps_prochandle *, proc_map_f *, void *); |
| extern int Pobject_iter(struct ps_prochandle *, proc_map_f *, void *); |
| extern int Pobject_iter_resolved(struct ps_prochandle *, proc_map_f *, void *); |
| |
| extern const prmap_t *Paddr_to_map(struct ps_prochandle *, uintptr_t); |
| extern const prmap_t *Paddr_to_text_map(struct ps_prochandle *, uintptr_t); |
| extern const prmap_t *Pname_to_map(struct ps_prochandle *, const char *); |
| extern const prmap_t *Plmid_to_map(struct ps_prochandle *, |
| Lmid_t, const char *); |
| |
| extern const rd_loadobj_t *Paddr_to_loadobj(struct ps_prochandle *, uintptr_t); |
| extern const rd_loadobj_t *Pname_to_loadobj(struct ps_prochandle *, |
| const char *); |
| extern const rd_loadobj_t *Plmid_to_loadobj(struct ps_prochandle *, |
| Lmid_t, const char *); |
| |
| extern ctf_file_t *Paddr_to_ctf(struct ps_prochandle *, uintptr_t); |
| extern ctf_file_t *Pname_to_ctf(struct ps_prochandle *, const char *); |
| |
| extern char *Pplatform(struct ps_prochandle *, char *, size_t); |
| extern int Puname(struct ps_prochandle *, struct utsname *); |
| extern char *Pzonename(struct ps_prochandle *, char *, size_t); |
| extern char *Pfindobj(struct ps_prochandle *, const char *, char *, size_t); |
| |
| extern char *Pexecname(struct ps_prochandle *, char *, size_t); |
| extern char *Pobjname(struct ps_prochandle *, uintptr_t, char *, size_t); |
| extern char *Pobjname_resolved(struct ps_prochandle *, uintptr_t, char *, |
| size_t); |
| extern int Plmid(struct ps_prochandle *, uintptr_t, Lmid_t *); |
| |
| typedef int proc_env_f(void *, struct ps_prochandle *, uintptr_t, const char *); |
| extern int Penv_iter(struct ps_prochandle *, proc_env_f *, void *); |
| extern char *Pgetenv(struct ps_prochandle *, const char *, char *, size_t); |
| extern long Pgetauxval(struct ps_prochandle *, int); |
| extern const auxv_t *Pgetauxvec(struct ps_prochandle *); |
| |
| extern void Pset_procfs_path(const char *); |
| |
| /* |
| * Symbol table iteration interface. The special lmid constants LM_ID_BASE, |
| * LM_ID_LDSO, and PR_LMID_EVERY may be used with Psymbol_iter_by_lmid. |
| */ |
| typedef int proc_sym_f(void *, const GElf_Sym *, const char *); |
| typedef int proc_xsym_f(void *, const GElf_Sym *, const char *, |
| const prsyminfo_t *); |
| |
| extern int Psymbol_iter(struct ps_prochandle *, |
| const char *, int, int, proc_sym_f *, void *); |
| extern int Psymbol_iter_by_addr(struct ps_prochandle *, |
| const char *, int, int, proc_sym_f *, void *); |
| extern int Psymbol_iter_by_name(struct ps_prochandle *, |
| const char *, int, int, proc_sym_f *, void *); |
| |
| extern int Psymbol_iter_by_lmid(struct ps_prochandle *, |
| Lmid_t, const char *, int, int, proc_sym_f *, void *); |
| |
| extern int Pxsymbol_iter(struct ps_prochandle *, |
| Lmid_t, const char *, int, int, proc_xsym_f *, void *); |
| |
| /* |
| * 'which' selects which symbol table and can be one of the following. |
| */ |
| #define PR_SYMTAB 1 |
| #define PR_DYNSYM 2 |
| /* |
| * 'type' selects the symbols of interest by binding and type. It is a bit- |
| * mask of one or more of the following flags, whose order MUST match the |
| * order of STB and STT constants in <sys/elf.h>. |
| */ |
| #define BIND_LOCAL 0x0001 |
| #define BIND_GLOBAL 0x0002 |
| #define BIND_WEAK 0x0004 |
| #define BIND_ANY (BIND_LOCAL|BIND_GLOBAL|BIND_WEAK) |
| #define TYPE_NOTYPE 0x0100 |
| #define TYPE_OBJECT 0x0200 |
| #define TYPE_FUNC 0x0400 |
| #define TYPE_SECTION 0x0800 |
| #define TYPE_FILE 0x1000 |
| #define TYPE_ANY (TYPE_NOTYPE|TYPE_OBJECT|TYPE_FUNC|TYPE_SECTION|TYPE_FILE) |
| |
| /* |
| * This returns the rtld_db agent handle for the process. |
| * The handle will become invalid at the next successful exec() and |
| * must not be used beyond that point (see Preset_maps(), below). |
| */ |
| extern rd_agent_t *Prd_agent(struct ps_prochandle *); |
| |
| /* |
| * This should be called when an RD_DLACTIVITY event with the |
| * RD_CONSISTENT state occurs via librtld_db's event mechanism. |
| * This makes libproc's address space mappings and symbol tables current. |
| * The variant Pupdate_syms() can be used to preload all symbol tables as well. |
| */ |
| extern void Pupdate_maps(struct ps_prochandle *); |
| extern void Pupdate_syms(struct ps_prochandle *); |
| |
| /* |
| * This must be called after the victim process performs a successful |
| * exec() if any of the symbol table interface functions have been called |
| * prior to that point. This is essential because an exec() invalidates |
| * all previous symbol table and address space mapping information. |
| * It is always safe to call, but if it is called other than after an |
| * exec() by the victim process it just causes unnecessary overhead. |
| * |
| * The rtld_db agent handle obtained from a previous call to Prd_agent() is |
| * made invalid by Preset_maps() and Prd_agent() must be called again to get |
| * the new handle. |
| */ |
| extern void Preset_maps(struct ps_prochandle *); |
| |
| /* |
| * Given an address, Ppltdest() determines if this is part of a PLT, and if |
| * so returns a pointer to the symbol name that will be used for resolution. |
| * If the specified address is not part of a PLT, the function returns NULL. |
| */ |
| extern const char *Ppltdest(struct ps_prochandle *, uintptr_t); |
| |
| /* |
| * See comments for Pissyscall(), in Pisadep.h |
| */ |
| extern int Pissyscall_prev(struct ps_prochandle *, uintptr_t, uintptr_t *); |
| |
| /* |
| * Stack frame iteration interface. |
| */ |
| typedef int proc_stack_f(void *, prgregset_t, uint_t, const long *); |
| |
| extern int Pstack_iter(struct ps_prochandle *, |
| const prgregset_t, proc_stack_f *, void *); |
| |
| /* |
| * The following functions define a set of passive interfaces: libproc provides |
| * default, empty definitions that are called internally. If a client wishes |
| * to override these definitions, it can simply provide its own version with |
| * the same signature that interposes on the libproc definition. |
| * |
| * If the client program wishes to report additional error information, it |
| * can provide its own version of Perror_printf. |
| * |
| * If the client program wishes to receive a callback after Pcreate forks |
| * but before it execs, it can provide its own version of Pcreate_callback. |
| */ |
| extern void Perror_printf(struct ps_prochandle *P, const char *format, ...); |
| extern void Pcreate_callback(struct ps_prochandle *); |
| |
| /* |
| * Remove unprintable characters from psinfo.pr_psargs and replace with |
| * whitespace characters so it is safe for printing. |
| */ |
| extern void proc_unctrl_psinfo(psinfo_t *); |
| |
| /* |
| * Utility functions for processing arguments which should be /proc files, |
| * pids, and/or core files. The returned error code can be passed to |
| * Pgrab_error() in order to convert it to an error string. |
| */ |
| #define PR_ARG_PIDS 0x1 /* Allow pid and /proc file arguments */ |
| #define PR_ARG_CORES 0x2 /* Allow core file arguments */ |
| |
| #define PR_ARG_ANY (PR_ARG_PIDS | PR_ARG_CORES) |
| |
| extern struct ps_prochandle *proc_arg_grab(const char *, int, int, int *); |
| extern struct ps_prochandle *proc_arg_xgrab(const char *, const char *, int, |
| int, int *, const char **); |
| extern pid_t proc_arg_psinfo(const char *, int, psinfo_t *, int *); |
| extern pid_t proc_arg_xpsinfo(const char *, int, psinfo_t *, int *, |
| const char **); |
| |
| /* |
| * Utility functions for obtaining information via /proc without actually |
| * performing a Pcreate() or Pgrab(): |
| */ |
| extern int proc_get_auxv(pid_t, auxv_t *, int); |
| extern int proc_get_cred(pid_t, prcred_t *, int); |
| extern prpriv_t *proc_get_priv(pid_t); |
| extern void proc_free_priv(prpriv_t *); |
| extern int proc_get_psinfo(pid_t, psinfo_t *); |
| extern int proc_get_status(pid_t, pstatus_t *); |
| extern int proc_get_secflags(pid_t, prsecflags_t **); |
| |
| /* |
| * Utility functions for debugging tools to convert numeric fault, |
| * signal, and system call numbers to symbolic names: |
| */ |
| #define FLT2STR_MAX 32 /* max. string length of faults (like SIG2STR_MAX) */ |
| #define SYS2STR_MAX 32 /* max. string length of syscalls (like SIG2STR_MAX) */ |
| |
| extern char *proc_fltname(int, char *, size_t); |
| extern char *proc_signame(int, char *, size_t); |
| extern char *proc_sysname(int, char *, size_t); |
| |
| /* |
| * Utility functions for debugging tools to convert fault, signal, and system |
| * call names back to the numeric constants: |
| */ |
| extern int proc_str2flt(const char *, int *); |
| extern int proc_str2sig(const char *, int *); |
| extern int proc_str2sys(const char *, int *); |
| |
| /* |
| * Utility functions for debugging tools to convert a fault, signal or system |
| * call set to a string representation (e.g. "BUS,SEGV" or "open,close,read"). |
| */ |
| #define PRSIGBUFSZ 1024 /* buffer size for proc_sigset2str() */ |
| |
| extern char *proc_fltset2str(const fltset_t *, const char *, int, |
| char *, size_t); |
| extern char *proc_sigset2str(const sigset_t *, const char *, int, |
| char *, size_t); |
| extern char *proc_sysset2str(const sysset_t *, const char *, int, |
| char *, size_t); |
| |
| extern int Pgcore(struct ps_prochandle *, const char *, core_content_t); |
| extern int Pfgcore(struct ps_prochandle *, int, core_content_t); |
| extern core_content_t Pcontent(struct ps_prochandle *); |
| |
| /* |
| * Utility functions for debugging tools to convert a string representation of |
| * a fault, signal or system call set back to the numeric value of the |
| * corresponding set type. |
| */ |
| extern char *proc_str2fltset(const char *, const char *, int, fltset_t *); |
| extern char *proc_str2sigset(const char *, const char *, int, sigset_t *); |
| extern char *proc_str2sysset(const char *, const char *, int, sysset_t *); |
| |
| /* |
| * Utility functions for converting between strings and core_content_t. |
| */ |
| #define PRCONTENTBUFSZ 80 /* buffer size for proc_content2str() */ |
| |
| extern int proc_str2content(const char *, core_content_t *); |
| extern int proc_content2str(core_content_t, char *, size_t); |
| |
| /* |
| * Utility functions for buffering output to stdout, stderr while |
| * process is grabbed. Prevents deadlocks due to pfiles `pgrep xterm` |
| * and other varients. |
| */ |
| extern int proc_initstdio(void); |
| extern int proc_flushstdio(void); |
| extern int proc_finistdio(void); |
| |
| /* |
| * Iterate over all open files. |
| */ |
| typedef int proc_fdinfo_f(void *, prfdinfo_t *); |
| extern int Pfdinfo_iter(struct ps_prochandle *, proc_fdinfo_f *, void *); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* _LIBPROC_H */ |