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/* `ptrace' debugger support interface. Generic version; constants are common.
Copyright (C) 1991, 1992, 1996, 1998 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 _PTRACE_H
#define _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,
#define PT_READ_I PTRACE_PEEKTEXT
/* Return the word in the process's data space at address ADDR. */
PTRACE_PEEKDATA,
#define PT_READ_D PTRACE_PEEKDATA
/* Return the word in the process's user area at offset ADDR. */
PTRACE_PEEKUSER,
#define PT_READ_U PTRACE_PEEKUSER
/* Write the word DATA into the process's text space at address ADDR. */
PTRACE_POKETEXT,
#define PT_WRITE_I PTRACE_POKETEXT
/* Write the word DATA into the process's data space at address ADDR. */
PTRACE_POKEDATA,
#define PT_WRITE_D PTRACE_POKEDATA
/* Write the word DATA into the process's user space at offset ADDR. */
PTRACE_POKEUSER,
#define PT_WRITE_U PTRACE_POKEUSER
/* Continue the process. */
PTRACE_CONT,
#define PT_CONTINUE PTRACE_CONT
/* Kill the process. */
PTRACE_KILL,
#define PT_KILL PTRACE_KILL
/* Single step the process.
This is not supported on all machines. */
PTRACE_SINGLESTEP,
#define PT_STEP PTRACE_SINGLESTEP
/* Attach to a process that is already running. */
PTRACE_ATTACH,
#define PT_ATTACH PTRACE_ATTACH
/* Detach from a process attached to with PTRACE_ATTACH. */
PTRACE_DETACH,
#define PT_DETACH PTRACE_DETACH
/* Get the process's registers (not including floating-point registers)
and put them in the `struct regs' (see <machine/regs.h>) at ADDR. */
PTRACE_GETREGS = 12,
/* Set the process's registers (not including floating-point registers)
to the contents of the `struct regs' (see <machine/regs.h>) at ADDR. */
PTRACE_SETREGS,
/* Get the process's floating point registers and put them
in the `struct fp_status' (see <machine/regs.h>) at ADDR. */
PTRACE_GETFPREGS = 14,
/* Set the process's floating point registers to the contents
of the `struct fp_status' (see <machine/regs.h>) at ADDR. */
PTRACE_SETFPREGS,
/* Read DATA bytes from the process's data space at address ADDR.
Put the result starting at address ADDR2 in the caller's
address space. */
PTRACE_READDATA = 16,
/* Write DATA bytes from ADDR2 in the caller's address space into
the process's data space at address ADDR. */
PTRACE_WRITEDATA,
/* Read DATA bytes from the process's text space at address ADDR.
Put the result starting at address ADDR2 in the caller's
address space. */
PTRACE_READTEXT = 18,
/* Write DATA bytes from ADDR2 in the caller's address space into
the process's text space at address ADDR. */
PTRACE_WRITETEXT,
/* Read the floating-point accelerator unit registers and
put them into the `struct fpa_regs' (see <machine/regs.h>) at ADDR. */
PTRACE_GETFPAREGS = 20,
/* Write the floating-point accelerator unit registers from
the contents of the `struct fpa_regs' at ADDR. */
PTRACE_SETFPAREGS
};
/* 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 int ptrace (enum __ptrace_request __request, ...);
__END_DECLS
#endif /* ptrace.h */
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