| /* <proc_service.h> replacement for systems that don't have it. |
| Copyright (C) 2000-2024 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program 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 General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef COMMON_GDB_PROC_SERVICE_H |
| #define COMMON_GDB_PROC_SERVICE_H |
| |
| #include <sys/types.h> |
| |
| #ifdef HAVE_PROC_SERVICE_H |
| |
| /* glibc's proc_service.h doesn't wrap itself with extern "C". Need |
| to do it ourselves. */ |
| extern "C" { |
| |
| #include <proc_service.h> |
| |
| } |
| |
| #else /* HAVE_PROC_SERVICE_H */ |
| |
| /* The following fallback definitions have been imported and adjusted |
| from glibc's proc_service.h */ |
| |
| /* Callback interface for libthread_db, functions users must define. |
| Copyright (C) 1999,2002,2003 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 |
| <http://www.gnu.org/licenses/>. */ |
| |
| /* The definitions in this file must correspond to those in the debugger. */ |
| |
| #ifdef HAVE_SYS_PROCFS_H |
| #include <sys/procfs.h> |
| #endif |
| |
| /* Not all platforms bring in <linux/elf.h> via <sys/procfs.h>. If |
| <sys/procfs.h> wasn't enough to find elf_fpregset_t, try the kernel |
| headers also (but don't if we don't need to). */ |
| #ifndef HAVE_ELF_FPREGSET_T |
| # ifdef HAVE_LINUX_ELF_H |
| # include <linux/elf.h> |
| # endif |
| #endif |
| |
| extern "C" { |
| |
| /* 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; |
| |
| #ifndef HAVE_LWPID_T |
| typedef unsigned int lwpid_t; |
| #endif |
| |
| #ifndef HAVE_PSADDR_T |
| typedef void *psaddr_t; |
| #endif |
| |
| #ifndef HAVE_PRGREGSET_T |
| typedef elf_gregset_t prgregset_t; |
| #endif |
| |
| #ifndef HAVE_PRFPREGSET_T |
| typedef elf_fpregset_t prfpregset_t; |
| #endif |
| |
| /* This type is opaque in this interface. It's defined by the user of |
| libthread_db. GDB's version is defined below. */ |
| 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); |
| |
| /* The following are only defined in/called by Solaris. */ |
| |
| /* Get size of extra register set. */ |
| extern ps_err_e ps_lgetxregsize (struct ps_prochandle *ph, |
| lwpid_t lwpid, int *xregsize); |
| /* Get extra register set. */ |
| extern ps_err_e ps_lgetxregs (struct ps_prochandle *ph, lwpid_t lwpid, |
| caddr_t xregset); |
| extern ps_err_e ps_lsetxregs (struct ps_prochandle *ph, lwpid_t lwpid, |
| caddr_t xregset); |
| |
| /* Log a message (sends to gdb_stderr). */ |
| extern void ps_plog (const char *fmt, ...); |
| |
| } |
| |
| #endif /* HAVE_PROC_SERVICE_H */ |
| |
| /* Make sure we export the needed symbols, in case GDB is built with |
| -fvisibility=hidden. */ |
| |
| #define PS_EXPORT(SYM) \ |
| __attribute__((visibility ("default"))) decltype (SYM) SYM |
| |
| PS_EXPORT (ps_get_thread_area); |
| PS_EXPORT (ps_getpid); |
| PS_EXPORT (ps_lcontinue); |
| PS_EXPORT (ps_lgetfpregs); |
| PS_EXPORT (ps_lgetregs); |
| PS_EXPORT (ps_lsetfpregs); |
| PS_EXPORT (ps_lsetregs); |
| PS_EXPORT (ps_lstop); |
| PS_EXPORT (ps_pcontinue); |
| PS_EXPORT (ps_pdread); |
| PS_EXPORT (ps_pdwrite); |
| PS_EXPORT (ps_pglobal_lookup); |
| PS_EXPORT (ps_pstop); |
| PS_EXPORT (ps_ptread); |
| PS_EXPORT (ps_ptwrite); |
| |
| #ifdef __sun__ |
| PS_EXPORT (ps_lgetxregs); |
| PS_EXPORT (ps_lgetxregsize); |
| PS_EXPORT (ps_lsetxregs); |
| PS_EXPORT (ps_plog); |
| #endif |
| |
| #endif /* COMMON_GDB_PROC_SERVICE_H */ |