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* sysdeps/unix/sysv/linux/mips/sys/ptrace.h: New file. * sysdeps/unix/sysv/linux/mips/ptrace.c: New file. Use long long type for registers on n32.

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* sysdeps/unix/sysv/linux/mips/sys/ptrace.h: New file.
	* sysdeps/unix/sysv/linux/mips/ptrace.c: New file.  Use long
	long type for registers on n32.
This commit is contained in:
Alexandre Oliva
2003-03-17 15:48:52 +00:00
parent 4947b4b20f
commit 935af0f27f
3 changed files with 251 additions and 0 deletions
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4
ChangeLog
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2003-03-17 Alexandre Oliva <aoliva@redhat.com> 2003-03-17 Alexandre Oliva <aoliva@redhat.com>
* sysdeps/unix/sysv/linux/mips/sys/ptrace.h: New file.
* sysdeps/unix/sysv/linux/mips/ptrace.c: New file. Use long
long type for registers on n32.
* sysdeps/mips/bits/wordsize.h: New file, appropriate for all * sysdeps/mips/bits/wordsize.h: New file, appropriate for all
3 ABIs. 3 ABIs.
* sysdeps/mips/mips64/gmp-mparam.h: New file. Define * sysdeps/mips/mips64/gmp-mparam.h: New file. Define

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sysdeps/unix/sysv/linux/mips/ptrace.c Normal file
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/* Copyright (C) 1995, 1996, 1997, 1998, 2000, 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <sys/types.h>
#include <sys/ptrace.h>
#include <sys/user.h>
#include <stdarg.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#if defined _ABIN32 && _MIPS_SIM == _ABIN32
__extension__ typedef long long int reg_type;
#else
typedef long int reg_type;
#endif
extern reg_type __syscall_ptrace (int, pid_t, void *__unbounded,
reg_type __unbounded);
reg_type
ptrace (enum __ptrace_request request, ...)
{
reg_type res, ret;
va_list ap;
pid_t pid;
void *addr;
reg_type data;
va_start (ap, request);
pid = va_arg (ap, pid_t);
addr = va_arg (ap, void *);
data = va_arg (ap, reg_type);
va_end (ap);
if (request > 0 && request < 4)
data = &ret;
#if __BOUNDED_POINTERS__
switch (request)
{
case PTRACE_PEEKTEXT:
case PTRACE_PEEKDATA:
case PTRACE_PEEKUSER:
case PTRACE_POKETEXT:
case PTRACE_POKEDATA:
case PTRACE_POKEUSER:
(void) CHECK_1 ((int *) addr);
(void) CHECK_1 ((int *) data);
break;
case PTRACE_GETREGS:
case PTRACE_SETREGS:
/* We don't know the size of data, so the best we can do is ensure
that `data' is valid for at least one word. */
(void) CHECK_1 ((int *) data);
break;
case PTRACE_GETFPREGS:
case PTRACE_SETFPREGS:
/* We don't know the size of data, so the best we can do is ensure
that `data' is valid for at least one word. */
(void) CHECK_1 ((int *) data);
break;
case PTRACE_GETFPXREGS:
case PTRACE_SETFPXREGS:
/* We don't know the size of data, so the best we can do is ensure
that `data' is valid for at least one word. */
(void) CHECK_1 ((int *) data);
break;
case PTRACE_TRACEME:
case PTRACE_CONT:
case PTRACE_KILL:
case PTRACE_SINGLESTEP:
case PTRACE_ATTACH:
case PTRACE_DETACH:
case PTRACE_SYSCALL:
/* Neither `data' nor `addr' needs any checks. */
break;
};
#endif
res = INLINE_SYSCALL (ptrace, 4, request, pid,
__ptrvalue (addr), __ptrvalue (data));
if (res >= 0 && request > 0 && request < 4)
{
__set_errno (0);
return ret;
}
return res;
}

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sysdeps/unix/sysv/linux/mips/sys/ptrace.h Normal file
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/* `ptrace' debugger support interface. Linux version.
Copyright (C) 1996, 1997, 1998, 1999, 2000, 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, 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
};
/* 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. */
#if defined _ABIN32 && _MIPS_SIM == _ABIN32
__extension__ extern long long int ptrace
(enum __ptrace_request __request, ...) __THROW;
#else
extern long int ptrace (enum __ptrace_request __request, ...) __THROW;
#endif
__END_DECLS
#endif /* _SYS_PTRACE_H */