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Diffstat (limited to 'gdbsupport/gdb_proc_service.h')
| -rw-r--r-- | gdbsupport/gdb_proc_service.h | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/gdbsupport/gdb_proc_service.h b/gdbsupport/gdb_proc_service.h new file mode 100644 index 00000000000..3ce2ee80fa9 --- /dev/null +++ b/gdbsupport/gdb_proc_service.h @@ -0,0 +1,173 @@ +/* <proc_service.h> replacement for systems that don't have it. + Copyright (C) 2000-2020 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_PUSH + +#include <proc_service.h> + +EXTERN_C_POP + +#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_PUSH + +/* 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, ...); + +EXTERN_C_POP + +#endif /* HAVE_PROC_SERVICE_H */ + +#endif /* COMMON_GDB_PROC_SERVICE_H */ |