/* * 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 2007 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. * * Portions Copyright 2007 Chad Mynhier */ /* * Interfaces available from the process control library, libproc. * * libproc provides process control functions for the /proc tools * (commands in /usr/proc/bin), /usr/bin/truss, and /usr/bin/gcore. * libproc is a private support library for these commands only. * It is _not_ a public interface, although it might become one * in the fullness of time, when the interfaces settle down. * * In the meantime, be aware that any program linked with libproc in this * release of Solaris is almost guaranteed to break in the next release. * * In short, do not use this header file or libproc for any purpose. */ #ifndef _LIBPROC_H #define _LIBPROC_H #pragma ident "%Z%%M% %I% %E% SMI" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if defined(__i386) || defined(__amd64) #include #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 */ #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 */ /* 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) /* * 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 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 ssize_t Ppriv(struct ps_prochandle *, prpriv_t *, size_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 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_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 *); extern int pr_pset_bind(struct ps_prochandle *, int, idtype_t, id_t, 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_getpsinfo(struct ps_prochandle *, lwpid_t, lwpsinfo_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 active 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 . */ #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 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 *); typedef int proc_map_f(void *, const prmap_t *, const char *); extern int Pmapping_iter(struct ps_prochandle *, proc_map_f *, void *); extern int Pobject_iter(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 *Pexecname(struct ps_prochandle *, char *, size_t); extern char *Pobjname(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 . */ #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 int proc_get_psinfo(pid_t, psinfo_t *); extern int proc_get_status(pid_t, pstatus_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); #ifdef __cplusplus } #endif #endif /* _LIBPROC_H */