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/* Callback interface for libthread_db, functions users must define.
Copyright (C) 1999-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef _PROC_SERVICE_H
#define _PROC_SERVICE_H 1
/* The definitions in this file must correspond to those in the debugger. */
#include <sys/procfs.h>
__BEGIN_DECLS
/* Functions in this interface return one of these status codes. */
typedef enum
{
PS_OK, /* Generic "call succeeded". */
PS_ERR, /* Generic error. */
PS_BADPID, /* Bad process handle. */
PS_BADLID, /* Bad LWP identifier. */
PS_BADADDR, /* Bad address. */
PS_NOSYM, /* Could not find given symbol. */
PS_NOFREGS /* FPU register set not available for given LWP. */
} ps_err_e;
/* This type is opaque in this interface.
It's defined by the user of libthread_db. */
struct ps_prochandle;
/* Read or write process memory at the given address. */
extern ps_err_e ps_pdread (struct ps_prochandle *,
psaddr_t, void *, size_t);
extern ps_err_e ps_pdwrite (struct ps_prochandle *,
psaddr_t, const void *, size_t);
extern ps_err_e ps_ptread (struct ps_prochandle *,
psaddr_t, void *, size_t);
extern ps_err_e ps_ptwrite (struct ps_prochandle *,
psaddr_t, const void *, size_t);
/* Get and set the given LWP's general or FPU register set. */
extern ps_err_e ps_lgetregs (struct ps_prochandle *,
lwpid_t, prgregset_t);
extern ps_err_e ps_lsetregs (struct ps_prochandle *,
lwpid_t, const prgregset_t);
extern ps_err_e ps_lgetfpregs (struct ps_prochandle *,
lwpid_t, prfpregset_t *);
extern ps_err_e ps_lsetfpregs (struct ps_prochandle *,
lwpid_t, const prfpregset_t *);
/* Return the PID of the process. */
extern pid_t ps_getpid (struct ps_prochandle *);
/* Fetch the special per-thread address associated with the given LWP.
This call is only used on a few platforms (most use a normal register).
The meaning of the `int' parameter is machine-dependent. */
extern ps_err_e ps_get_thread_area (struct ps_prochandle *,
lwpid_t, int, psaddr_t *);
/* Look up the named symbol in the named DSO in the symbol tables
associated with the process being debugged, filling in *SYM_ADDR
with the corresponding run-time address. */
extern ps_err_e ps_pglobal_lookup (struct ps_prochandle *,
const char *object_name,
const char *sym_name,
psaddr_t *sym_addr);
/* Stop or continue the entire process. */
extern ps_err_e ps_pstop (struct ps_prochandle *);
extern ps_err_e ps_pcontinue (struct ps_prochandle *);
/* Stop or continue the given LWP alone. */
extern ps_err_e ps_lstop (struct ps_prochandle *, lwpid_t);
extern ps_err_e ps_lcontinue (struct ps_prochandle *, lwpid_t);
__END_DECLS
#endif /* proc_service.h */
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