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authorBernd Schmidt <bernds@codesourcery.com>2011-03-09 15:14:37 +0100
committerBernd Schmidt <bernds@codesourcery.com>2011-03-09 15:34:27 +0100
commit3ae11e90f822a766cc0b97d7f5eb12556685e8f0 (patch)
tree6e209f35cc10842cac7b2109189bbb71b3aebea2 /libc/sysdeps/linux
parentdad0315108b60d47af25aa46a7f11084c15d821f (diff)
Add C6X-specific sys/ptrace.h
The debugger needs some C6X-specific ptrace operations to get information about the DSBT binaries; similar to what's done on FD-PIC targets. Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>
Diffstat (limited to 'libc/sysdeps/linux')
-rw-r--r--libc/sysdeps/linux/c6x/sys/ptrace.h176
1 files changed, 176 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/c6x/sys/ptrace.h b/libc/sysdeps/linux/c6x/sys/ptrace.h
new file mode 100644
index 000000000..b8a7a49d5
--- /dev/null
+++ b/libc/sysdeps/linux/c6x/sys/ptrace.h
@@ -0,0 +1,176 @@
+/* `ptrace' debugger support interface. Linux version.
+ Copyright (C) 1996-1999,2000,2006,2007 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. */
+
+#ifndef _SYS_PTRACE_H
+#define _SYS_PTRACE_H 1
+
+#include <features.h>
+
+__BEGIN_DECLS
+
+/* Type of the REQUEST argument to `ptrace.' */
+enum __ptrace_request
+{
+ /* Indicate that the process making this request should be traced.
+ All signals received by this process can be intercepted by its
+ parent, and its parent can use the other `ptrace' requests. */
+ PTRACE_TRACEME = 0,
+#define PT_TRACE_ME PTRACE_TRACEME
+
+ /* Return the word in the process's text space at address ADDR. */
+ PTRACE_PEEKTEXT = 1,
+#define PT_READ_I PTRACE_PEEKTEXT
+
+ /* Return the word in the process's data space at address ADDR. */
+ PTRACE_PEEKDATA = 2,
+#define PT_READ_D PTRACE_PEEKDATA
+
+ /* Return the word in the process's user area at offset ADDR. */
+ PTRACE_PEEKUSER = 3,
+#define PT_READ_U PTRACE_PEEKUSER
+
+ /* Write the word DATA into the process's text space at address ADDR. */
+ PTRACE_POKETEXT = 4,
+#define PT_WRITE_I PTRACE_POKETEXT
+
+ /* Write the word DATA into the process's data space at address ADDR. */
+ PTRACE_POKEDATA = 5,
+#define PT_WRITE_D PTRACE_POKEDATA
+
+ /* Write the word DATA into the process's user area at offset ADDR. */
+ PTRACE_POKEUSER = 6,
+#define PT_WRITE_U PTRACE_POKEUSER
+
+ /* Continue the process. */
+ PTRACE_CONT = 7,
+#define PT_CONTINUE PTRACE_CONT
+
+ /* Kill the process. */
+ PTRACE_KILL = 8,
+#define PT_KILL PTRACE_KILL
+
+ /* Single step the process.
+ This is not supported on all machines. */
+ PTRACE_SINGLESTEP = 9,
+#define PT_STEP PTRACE_SINGLESTEP
+
+ /* Get all general purpose registers used by a processes.
+ This is not supported on all machines. */
+ PTRACE_GETREGS = 12,
+#define PT_GETREGS PTRACE_GETREGS
+
+ /* Set all general purpose registers used by a processes.
+ This is not supported on all machines. */
+ PTRACE_SETREGS = 13,
+#define PT_SETREGS PTRACE_SETREGS
+
+ /* Get all floating point registers used by a processes.
+ This is not supported on all machines. */
+ PTRACE_GETFPREGS = 14,
+#define PT_GETFPREGS PTRACE_GETFPREGS
+
+ /* Set all floating point registers used by a processes.
+ This is not supported on all machines. */
+ PTRACE_SETFPREGS = 15,
+#define PT_SETFPREGS PTRACE_SETFPREGS
+
+ /* Attach to a process that is already running. */
+ PTRACE_ATTACH = 16,
+#define PT_ATTACH PTRACE_ATTACH
+
+ /* Detach from a process attached to with PTRACE_ATTACH. */
+ PTRACE_DETACH = 17,
+#define PT_DETACH PTRACE_DETACH
+
+ /* Get all extended floating point registers used by a processes.
+ This is not supported on all machines. */
+ PTRACE_GETFPXREGS = 18,
+#define PT_GETFPXREGS PTRACE_GETFPXREGS
+
+ /* Set all extended floating point registers used by a processes.
+ This is not supported on all machines. */
+ PTRACE_SETFPXREGS = 19,
+#define PT_SETFPXREGS PTRACE_SETFPXREGS
+
+ /* Continue and stop at the next (return from) syscall. */
+ PTRACE_SYSCALL = 24,
+#define PT_SYSCALL PTRACE_SYSCALL
+
+ /* Obtain the load map of the main program or the interpreter of the
+ ptraced process, depending on whether the addr argument is
+ (void*)0 or (void*)1, respectively. */
+ PTRACE_GETDSBT = 31,
+#define PT_GETDSBT PTRACE_GETDSBT
+
+ /* Set ptrace filter options. */
+ PTRACE_SETOPTIONS = 0x4200,
+#define PT_SETOPTIONS PTRACE_SETOPTIONS
+
+ /* Get last ptrace message. */
+ PTRACE_GETEVENTMSG = 0x4201,
+#define PT_GETEVENTMSG PTRACE_GETEVENTMSG
+
+ /* Get siginfo for process. */
+ PTRACE_GETSIGINFO = 0x4202,
+#define PT_GETSIGINFO PTRACE_GETSIGINFO
+
+ /* Set new siginfo for process. */
+ PTRACE_SETSIGINFO = 0x4203
+#define PT_SETSIGINFO PTRACE_SETSIGINFO
+};
+
+#define PTRACE_GETDSBT_EXEC ((void*)0) /* [addr] request the executable loadmap */
+#define PTRACE_GETDSBT_INTERP ((void*)1) /* [addr] request the interpreter loadmap */
+
+/* Options set using PTRACE_SETOPTIONS. */
+enum __ptrace_setoptions {
+ PTRACE_O_TRACESYSGOOD = 0x00000001,
+ PTRACE_O_TRACEFORK = 0x00000002,
+ PTRACE_O_TRACEVFORK = 0x00000004,
+ PTRACE_O_TRACECLONE = 0x00000008,
+ PTRACE_O_TRACEEXEC = 0x00000010,
+ PTRACE_O_TRACEVFORKDONE = 0x00000020,
+ PTRACE_O_TRACEEXIT = 0x00000040,
+ PTRACE_O_MASK = 0x0000007f
+};
+
+/* Wait extended result codes for the above trace options. */
+enum __ptrace_eventcodes {
+ PTRACE_EVENT_FORK = 1,
+ PTRACE_EVENT_VFORK = 2,
+ PTRACE_EVENT_CLONE = 3,
+ PTRACE_EVENT_EXEC = 4,
+ PTRACE_EVENT_VFORK_DONE = 5,
+ PTRACE_EVENT_EXIT = 6
+};
+
+/* Perform process tracing functions. REQUEST is one of the values
+ above, 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 REQUEST. */
+extern long int ptrace (enum __ptrace_request __request, ...) __THROW;
+
+__END_DECLS
+
+#endif /* _SYS_PTRACE_H */