From a298c5e8129b61a8aaf98b09668a50ce87a293a1 Mon Sep 17 00:00:00 2001 From: Pedro Alves Date: Thu, 1 Mar 2012 21:05:31 +0000 Subject: [PATCH] 2012-03-01 Pedro Alves Import fallback definitions from glibc. * gdb_proc_service.h [!HAVE_PROC_SERVICE_H] (struct ps_prochandle): Forward declare. (ps_err_e): Use glibc's comments. [!HAVE_PROC_SERVICE_H] (ps_pdread, ps_pdwrite, ps_ptread) (ps_ptwrite, ps_lgetregs, ps_lsetregs, ps_lgetfpregs) (ps_lsetfpregs, ps_getpid, ps_get_thread_area, ps_pglobal_lookup) (ps_pstop, ps_pcontinue, ps_lstop, ps_lcontinue, ps_lgetxregsize) (ps_lgetxregs, ps_lsetxregs, ps_plog): Declare. (struct ps_prochandle): Adjust comment. --- gdb/ChangeLog | 14 ++++++ gdb/gdb_proc_service.h | 110 +++++++++++++++++++++++++++++++++++++---- 2 files changed, 115 insertions(+), 9 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index e0baa2d2ba..fcc95f625d 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,17 @@ +2012-03-01 Pedro Alves + + Import fallback definitions from glibc. + + * gdb_proc_service.h [!HAVE_PROC_SERVICE_H] (struct + ps_prochandle): Forward declare. + (ps_err_e): Use glibc's comments. + [!HAVE_PROC_SERVICE_H] (ps_pdread, ps_pdwrite, ps_ptread) + (ps_ptwrite, ps_lgetregs, ps_lsetregs, ps_lgetfpregs) + (ps_lsetfpregs, ps_getpid, ps_get_thread_area, ps_pglobal_lookup) + (ps_pstop, ps_pcontinue, ps_lstop, ps_lcontinue, ps_lgetxregsize) + (ps_lgetxregs, ps_lsetxregs, ps_plog): Declare. + (struct ps_prochandle): Adjust comment. + 2012-03-01 Pedro Alves * ada-lang.c (ada_modulus_from_name): Delete. diff --git a/gdb/gdb_proc_service.h b/gdb/gdb_proc_service.h index 42309b8b0a..34167a0f84 100644 --- a/gdb/gdb_proc_service.h +++ b/gdb/gdb_proc_service.h @@ -23,7 +23,31 @@ #ifdef HAVE_PROC_SERVICE_H #include -#else + +#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 + . */ + +/* The definitions in this file must correspond to those in the debugger. */ #ifdef HAVE_SYS_PROCFS_H #include @@ -31,15 +55,16 @@ #include "gregset.h" +/* Functions in this interface return one of these status codes. */ typedef enum { - PS_OK, /* Success. */ - PS_ERR, /* Generic error. */ - PS_BADPID, /* Bad process handle. */ - PS_BADLID, /* Bad LWP id. */ - PS_BADADDR, /* Bad address. */ - PS_NOSYM, /* Symbol not found. */ - PS_NOFREGS /* FPU register set not available. */ + 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 @@ -58,6 +83,73 @@ typedef gdb_gregset_t prgregset_t; typedef gdb_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 (const 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 */ /* Fix-up some broken systems. */ @@ -72,7 +164,7 @@ typedef gdb_fpregset_t gdb_prfpregset_t; typedef prfpregset_t gdb_prfpregset_t; #endif -/* Structure that identifies the target process. */ +/* GDB specific structure that identifies the target process. */ struct ps_prochandle { /* The LWP we use for memory reads. */ -- 2.34.1