* 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.

2 files changed, 247 insertions, 0 deletions

diff --git a/sysdeps/unix/sysv/linux/mips/ptrace.c b/sysdeps/unix/sysv/linux/mips/ptrace.c
new file mode 100644
index 0000000000..b67fe83071
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/mips/ptrace.c
@@ -0,0 +1,112 @@
+/* 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;
+}
diff --git a/sysdeps/unix/sysv/linux/mips/sys/ptrace.h b/sysdeps/unix/sysv/linux/mips/sys/ptrace.h
new file mode 100644
index 0000000000..a8e4a476ec
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/mips/sys/ptrace.h
@@ -0,0 +1,135 @@
+/* `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 */