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author | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
commit | a334319f6530564d22e775935d9c91663623a1b4 (patch) | |
tree | b5877475619e4c938e98757d518bb1e9cbead751 /sysdeps/generic/ptrace.c | |
parent | 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff) | |
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'sysdeps/generic/ptrace.c')
-rw-r--r-- | sysdeps/generic/ptrace.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/sysdeps/generic/ptrace.c b/sysdeps/generic/ptrace.c new file mode 100644 index 0000000000..1825d57143 --- /dev/null +++ b/sysdeps/generic/ptrace.c @@ -0,0 +1,103 @@ +/* Copyright (C) 1991, 92, 93, 95, 96, 97 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#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 (request) + 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); + 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); + 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); + break; + + default: + __set_errno (EINVAL); + return -1; + } + + __set_errno (ENOSYS); + return -1; +} + + +stub_warning (ptrace) +#include <stub-tag.h> |