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Diffstat (limited to 'REORG.TODO/misc/ptrace.c')
-rw-r--r-- | REORG.TODO/misc/ptrace.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/REORG.TODO/misc/ptrace.c b/REORG.TODO/misc/ptrace.c new file mode 100644 index 0000000000..aace1b5a34 --- /dev/null +++ b/REORG.TODO/misc/ptrace.c @@ -0,0 +1,108 @@ +/* Copyright (C) 1991-2017 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/>. */ + +#include <errno.h> +#include <sys/ptrace.h> +#include <sys/types.h> +#include <stdarg.h> + +/* Perform process tracing functions. REQUEST is one of the values + in <sys/ptrace.h>, and determines the action to be taken. + For all requests except PTRACE_TRACEME, PID specifies the process to be + traced. + + PID and the other arguments described above for the various requests should + appear (those that are used for the particular request) as: + pid_t PID, void *ADDR, int DATA, void *ADDR2 + after PID. */ +int +ptrace (enum __ptrace_request request, ...) +{ + pid_t pid; + void *addr; + void *addr2; + int data; + va_list ap; + + switch (request) + { + case PTRACE_TRACEME: + case PTRACE_CONT: + case PTRACE_KILL: + case PTRACE_SINGLESTEP: + case PTRACE_ATTACH: + case PTRACE_DETACH: + break; + + case PTRACE_PEEKTEXT: + case PTRACE_PEEKDATA: + case PTRACE_PEEKUSER: + case PTRACE_GETREGS: + case PTRACE_SETREGS: +#ifdef PTRACE_GETFPREGS + case PTRACE_GETFPGEGS: +#endif + case PTRACE_SETFPREGS: + case PTRACE_GETFPAREGS: + case PTRACE_SETFPAREGS: + va_start (ap, request); + pid = va_arg (ap, pid_t); + addr = va_arg (ap, void *); + va_end (ap); + ignore_value (pid); + ignore_value (addr); + break; + + case PTRACE_POKETEXT: + case PTRACE_POKEDATA: + case PTRACE_POKEUSER: + va_start (ap, request); + pid = va_arg (ap, pid_t); + addr = va_arg (ap, void *); + data = va_arg (ap, int); + va_end (ap); + ignore_value (pid); + ignore_value (addr); + ignore_value (data); + break; + + case PTRACE_READDATA: + case PTRACE_WRITEDATA: + case PTRACE_READTEXT: + case PTRACE_WRITETEXT: + va_start (ap, request); + pid = va_arg (ap, pid_t); + addr = va_arg (ap, void *); + data = va_arg (ap, int); + addr2 = va_arg (ap, void *); + va_end (ap); + ignore_value (pid); + ignore_value (addr); + ignore_value (data); + ignore_value (addr2); + break; + + default: + __set_errno (EINVAL); + return -1; + } + + __set_errno (ENOSYS); + return -1; +} + +stub_warning (ptrace) |