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proc_service.h
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/* Callback interface for libthread_db, functions users must define. Copyright (C) 1999-2025 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 */