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-rw-r--r--libgfortran/ChangeLog12
-rw-r--r--libgfortran/Makefile.am4
-rw-r--r--libgfortran/Makefile.in16
-rw-r--r--libgfortran/gfortran.map17
-rw-r--r--libgfortran/intrinsics/iso_c_binding.c249
-rw-r--r--libgfortran/intrinsics/iso_c_binding.h70
-rw-r--r--libgfortran/intrinsics/iso_c_generated_procs.c264
-rw-r--r--libgfortran/io/unit.c24
-rw-r--r--libgfortran/libgfortran.h3
9 files changed, 636 insertions, 23 deletions
diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index c3d2b71..2b880c5 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,3 +1,15 @@
+2007-07-01 Christopher D. Rickett <crickett@lanl.gov>
+
+ * Makefile.in: Add support for iso_c_generated_procs.c and
+ iso_c_binding.c.
+ * Makefile.am: Ditto.
+ * intrinsics/iso_c_generated_procs.c: New file containing helper
+ functions.
+ * intrinsics/iso_c_binding.c: Ditto.
+ * intrinsics/iso_c_binding.h: New file
+ * gfortran.map: Include the __iso_c_binding_c_* functions.
+ * libgfortran.h: define GFC_NUM_RANK_BITS.
+
2007-07-01 Janne Blomqvist <jb@gcc.gnu.org>
PR fortran/32239
diff --git a/libgfortran/Makefile.am b/libgfortran/Makefile.am
index 0e74530..ba81c75 100644
--- a/libgfortran/Makefile.am
+++ b/libgfortran/Makefile.am
@@ -71,9 +71,11 @@ intrinsics/getcwd.c \
intrinsics/getlog.c \
intrinsics/getXid.c \
intrinsics/hostnm.c \
-intrinsics/kill.c \
intrinsics/ierrno.c \
intrinsics/ishftc.c \
+intrinsics/iso_c_generated_procs.c \
+intrinsics/iso_c_binding.c \
+intrinsics/kill.c \
intrinsics/link.c \
intrinsics/malloc.c \
intrinsics/mvbits.c \
diff --git a/libgfortran/Makefile.in b/libgfortran/Makefile.in
index c2acb13..5d97b90 100644
--- a/libgfortran/Makefile.in
+++ b/libgfortran/Makefile.in
@@ -194,7 +194,8 @@ am__objects_32 = associated.lo abort.lo access.lo args.lo \
reshape_generic.lo reshape_packed.lo selected_int_kind.lo \
selected_real_kind.lo stat.lo symlnk.lo system_clock.lo \
time.lo transpose_generic.lo umask.lo unlink.lo \
- unpack_generic.lo in_pack_generic.lo in_unpack_generic.lo
+ unpack_generic.lo in_pack_generic.lo in_unpack_generic.lo \
+ iso_c_generated_procs.lo iso_c_binding.lo
am__objects_33 =
am__objects_34 = _abs_c4.lo _abs_c8.lo _abs_c10.lo _abs_c16.lo \
_abs_i4.lo _abs_i8.lo _abs_i16.lo _abs_r4.lo _abs_r8.lo \
@@ -456,9 +457,11 @@ intrinsics/getcwd.c \
intrinsics/getlog.c \
intrinsics/getXid.c \
intrinsics/hostnm.c \
-intrinsics/kill.c \
intrinsics/ierrno.c \
intrinsics/ishftc.c \
+intrinsics/iso_c_generated_procs.c \
+intrinsics/iso_c_binding.c \
+intrinsics/kill.c \
intrinsics/link.c \
intrinsics/malloc.c \
intrinsics/mvbits.c \
@@ -4295,6 +4298,15 @@ ishftc.lo: intrinsics/ishftc.c
@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCC_FALSE@ $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o ishftc.lo `test -f 'intrinsics/ishftc.c' || echo '$(srcdir)/'`intrinsics/ishftc.c
+iso_c_generated_procs.lo: intrinsics/iso_c_generated_procs.c
+ $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o iso_c_generated_procs.lo `test -f 'intrinsics/iso_c_generated_procs.c' || echo '$(srcdir)/'`intrinsics/iso_c_generated_procs.c
+
+iso_c_binding.lo: intrinsics/iso_c_binding.c
+ $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o iso_c_binding.lo `test -f 'intrinsics/iso_c_binding.c' || echo '$(srcdir)/'`intrinsics/iso_c_binding.c
+
+kill.lo: intrinsics/kill.c
+ $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o kill.lo `test -f 'intrinsics/kill.c' || echo '$(srcdir)/'`intrinsics/kill.c
+
link.lo: intrinsics/link.c
@am__fastdepCC_TRUE@ if $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT link.lo -MD -MP -MF "$(DEPDIR)/link.Tpo" -c -o link.lo `test -f 'intrinsics/link.c' || echo '$(srcdir)/'`intrinsics/link.c; \
@am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/link.Tpo" "$(DEPDIR)/link.Plo"; else rm -f "$(DEPDIR)/link.Tpo"; exit 1; fi
diff --git a/libgfortran/gfortran.map b/libgfortran/gfortran.map
index 6aebef3..71c809a 100644
--- a/libgfortran/gfortran.map
+++ b/libgfortran/gfortran.map
@@ -1003,6 +1003,23 @@ GFORTRAN_1.0 {
_gfortran_unpack0_char;
_gfortran_unpack1;
_gfortran_unpack1_char;
+ __iso_c_binding_c_associated_1;
+ __iso_c_binding_c_associated_2;
+ __iso_c_binding_c_f_pointer;
+ __iso_c_binding_c_f_pointer_d0;
+ __iso_c_binding_c_f_pointer_i1;
+ __iso_c_binding_c_f_pointer_i2;
+ __iso_c_binding_c_f_pointer_i4;
+ __iso_c_binding_c_f_pointer_i8;
+ __iso_c_binding_c_f_pointer_i16;
+ __iso_c_binding_c_f_pointer_r4;
+ __iso_c_binding_c_f_pointer_r8;
+ __iso_c_binding_c_f_pointer_r10;
+ __iso_c_binding_c_f_pointer_r16;
+ __iso_c_binding_c_f_pointer_u0;
+ __iso_c_binding_c_f_procpointer;
+ __iso_c_binding_c_funloc;
+ __iso_c_binding_c_loc;
local:
*;
};
diff --git a/libgfortran/intrinsics/iso_c_binding.c b/libgfortran/intrinsics/iso_c_binding.c
new file mode 100644
index 0000000..3357547
--- /dev/null
+++ b/libgfortran/intrinsics/iso_c_binding.c
@@ -0,0 +1,249 @@
+/* Implementation of the ISO_C_BINDING library helper functions.
+ Copyright (C) 2007 Free Software Foundation, Inc.
+ Contributed by Christopher Rickett.
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file. (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+Libgfortran 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public
+License along with libgfortran; see the file COPYING. If not,
+write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
+
+
+/* Implement the functions and subroutines provided by the intrinsic
+ iso_c_binding module. */
+
+#include <stdlib.h>
+
+#include "libgfortran.h"
+#include "iso_c_binding.h"
+
+
+/* Set the fields of a Fortran pointer descriptor to point to the
+ given C address. It uses c_f_pointer_u0 for the common
+ fields, and will set up the information necessary if this C address
+ is to an array (i.e., offset, type, element size). The parameter
+ c_ptr_in represents the C address to have Fortran point to. The
+ parameter f_ptr_out is the Fortran pointer to associate with the C
+ address. The parameter shape is a one-dimensional array of integers
+ specifying the upper bound(s) of the array pointed to by the given C
+ address, if applicable. The shape parameter is optional in Fortran,
+ which will cause it to come in here as NULL. The parameter type is
+ the type of the data being pointed to (i.e.,libgfortran.h). The
+ elem_size parameter is the size, in bytes, of the data element being
+ pointed to. If the address is for an array, then the size needs to
+ be the size of a single element (i.e., for an array of doubles, it
+ needs to be the number of bytes for the size of one double). */
+
+void
+ISO_C_BINDING_PREFIX (c_f_pointer) (void *c_ptr_in,
+ gfc_array_void *f_ptr_out,
+ const array_t *shape,
+ int type, int elemSize)
+{
+ if (shape != NULL)
+ {
+ f_ptr_out->offset = 0;
+
+ /* Set the necessary dtype field for all pointers. */
+ f_ptr_out->dtype = 0;
+
+ /* Put in the element size. */
+ f_ptr_out->dtype = f_ptr_out->dtype | (elemSize << GFC_DTYPE_SIZE_SHIFT);
+
+ /* Set the data type (e.g., GFC_DTYPE_INTEGER). */
+ f_ptr_out->dtype = f_ptr_out->dtype | (type << GFC_DTYPE_TYPE_SHIFT);
+ }
+
+ /* Use the generic version of c_f_pointer to set common fields. */
+ ISO_C_BINDING_PREFIX (c_f_pointer_u0) (c_ptr_in, f_ptr_out, shape);
+}
+
+
+/* A generic function to set the common fields of all descriptors, no
+ matter whether it's to a scalar or an array. Fields set are: data,
+ and if appropriate, rank, offset, dim[*].lbound, dim[*].ubound, and
+ dim[*].stride. Parameter shape is a rank 1 array of integers
+ containing the upper bound of each dimension of what f_ptr_out
+ points to. The length of this array must be EXACTLY the rank of
+ what f_ptr_out points to, as required by the draft (J3/04-007). If
+ f_ptr_out points to a scalar, then this parameter will be NULL. */
+
+void
+ISO_C_BINDING_PREFIX (c_f_pointer_u0) (void *c_ptr_in,
+ gfc_array_void *f_ptr_out,
+ const array_t *shape)
+{
+ int i = 0;
+ int shapeSize = 0;
+
+ GFC_DESCRIPTOR_DATA (f_ptr_out) = c_ptr_in;
+
+ if (shape != NULL)
+ {
+ f_ptr_out->offset = 0;
+ shapeSize = 0;
+
+ /* shape's length (rank of the output array) */
+ shapeSize = shape->dim[0].ubound + 1 - shape->dim[0].lbound;
+ for (i = 0; i < shapeSize; i++)
+ {
+ /* Lower bound is 1, as specified by the draft. */
+ f_ptr_out->dim[i].lbound = 1;
+ f_ptr_out->dim[i].ubound = ((int *) (shape->data))[i];
+ }
+
+ /* Set the offset and strides.
+ offset is (sum of (dim[i].lbound * dim[i].stride) for all
+ dims) the -1 means we'll back the data pointer up that much
+ perhaps we could just realign the data pointer and not change
+ the offset? */
+ f_ptr_out->dim[0].stride = 1;
+ f_ptr_out->offset = f_ptr_out->dim[0].lbound * f_ptr_out->dim[0].stride;
+ for (i = 1; i < shapeSize; i++)
+ {
+ f_ptr_out->dim[i].stride = (f_ptr_out->dim[i-1].ubound + 1)
+ - f_ptr_out->dim[i-1].lbound;
+ f_ptr_out->offset += f_ptr_out->dim[i].lbound
+ * f_ptr_out->dim[i].stride;
+ }
+
+ f_ptr_out->offset *= -1;
+
+ /* All we know is the rank, so set it, leaving the rest alone.
+ Make NO assumptions about the state of dtype coming in! If we
+ shift right by TYPE_SHIFT bits we'll throw away the existing
+ rank. Then, shift left by the same number to shift in zeros
+ and or with the new rank. */
+ f_ptr_out->dtype = ((f_ptr_out->dtype >> GFC_DTYPE_TYPE_SHIFT)
+ << GFC_DTYPE_TYPE_SHIFT) | shapeSize;
+ }
+}
+
+
+/* Sets the descriptor fields for a Fortran pointer to a derived type,
+ using c_f_pointer_u0 for the majority of the work. */
+
+void
+ISO_C_BINDING_PREFIX (c_f_pointer_d0) (void *c_ptr_in,
+ gfc_array_void *f_ptr_out,
+ const array_t *shape)
+{
+ /* Set the common fields. */
+ ISO_C_BINDING_PREFIX (c_f_pointer_u0) (c_ptr_in, f_ptr_out, shape);
+
+ /* Preserve the size and rank bits, but reset the type. */
+ if (shape != NULL)
+ {
+ f_ptr_out->dtype = f_ptr_out->dtype & (~GFC_DTYPE_TYPE_MASK);
+ f_ptr_out->dtype = f_ptr_out->dtype
+ | (GFC_DTYPE_DERIVED << GFC_DTYPE_TYPE_SHIFT);
+ }
+}
+
+
+/* This function will change, once there is an actual f90 type for the
+ procedure pointer. */
+
+void
+ISO_C_BINDING_PREFIX (c_f_procpointer) (void *c_ptr_in,
+ gfc_array_void *f_ptr_out)
+{
+ GFC_DESCRIPTOR_DATA(f_ptr_out) = c_ptr_in;
+}
+
+
+/* Test if the given c_ptr is associated or not. This function is
+ called if the user only supplied one c_ptr parameter to the
+ c_associated function. The second argument is optional, and the
+ Fortran compiler will resolve the function to this version if only
+ one arg was given. Associated here simply means whether or not the
+ c_ptr is NULL or not. */
+
+GFC_LOGICAL_4
+ISO_C_BINDING_PREFIX (c_associated_1) (void *c_ptr_in_1)
+{
+ if (c_ptr_in_1 != NULL)
+ return 1;
+ else
+ return 0;
+}
+
+
+/* Test if the two c_ptr arguments are associated with one another.
+ This version of the c_associated function is called if the user
+ supplied two c_ptr args in the Fortran source. According to the
+ draft standard (J3/04-007), if c_ptr_in_1 is NULL, the two pointers
+ are NOT associated. If c_ptr_in_1 is non-NULL and it is not equal
+ to c_ptr_in_2, then either c_ptr_in_2 is NULL or is associated with
+ another address; either way, the two pointers are not associated
+ with each other then. */
+
+GFC_LOGICAL_4
+ISO_C_BINDING_PREFIX (c_associated_2) (void *c_ptr_in_1, void *c_ptr_in_2)
+{
+ /* Since we have the second arg, if it doesn't equal the first,
+ return false; true otherwise. However, if the first one is null,
+ then return false; otherwise compare the two ptrs for equality. */
+ if (c_ptr_in_1 == NULL)
+ return 0;
+ else if (c_ptr_in_1 != c_ptr_in_2)
+ return 0;
+ else
+ return 1;
+}
+
+
+/* Return the C address of the given Fortran allocatable object. */
+
+void *
+ISO_C_BINDING_PREFIX (c_loc) (void *f90_obj)
+{
+ if (f90_obj == NULL)
+ {
+ runtime_error ("C_LOC: Attempt to get C address for Fortran object"
+ " that has not been allocated or associated");
+ abort ();
+ }
+
+ /* The "C" address should be the address of the object in Fortran. */
+ return f90_obj;
+}
+
+
+/* Return the C address of the given Fortran procedure. This
+ routine is expected to return a derived type of type C_FUNPTR,
+ which represents the C address of the given Fortran object. */
+
+void *
+ISO_C_BINDING_PREFIX (c_funloc) (void *f90_obj)
+{
+ if (f90_obj == NULL)
+ {
+ runtime_error ("C_LOC: Attempt to get C address for Fortran object"
+ " that has not been allocated or associated");
+ abort ();
+ }
+
+ /* The "C" address should be the address of the object in Fortran. */
+ return f90_obj;
+}
diff --git a/libgfortran/intrinsics/iso_c_binding.h b/libgfortran/intrinsics/iso_c_binding.h
new file mode 100644
index 0000000..afd8552
--- /dev/null
+++ b/libgfortran/intrinsics/iso_c_binding.h
@@ -0,0 +1,70 @@
+/* Copyright (C) 2007 Free Software Foundation, Inc.
+ Contributed by Christopher Rickett.
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file. (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+Libgfortran 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Libgfortran; see the file COPYING. If not, write to
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
+
+
+/* Declarations for ISO_C_BINDING library helper functions. */
+
+#ifndef GFOR_ISO_C_BINDING_H
+#define GFOR_ISO_C_BINDING_H
+
+#include "libgfortran.h"
+
+typedef struct c_ptr
+{
+ void *c_address;
+}
+c_ptr_t;
+
+typedef struct c_funptr
+{
+ void *c_address;
+}
+c_funptr_t;
+
+#define ISO_C_BINDING_PREFIX(a) __iso_c_binding_##a
+
+void ISO_C_BINDING_PREFIX(c_f_pointer)(void *, gfc_array_void *,
+ const array_t *, int, int);
+
+/* The second param here may change, once procedure pointers are
+ implemented. */
+void ISO_C_BINDING_PREFIX(c_f_procpointer) (void *, gfc_array_void *);
+
+GFC_LOGICAL_4 ISO_C_BINDING_PREFIX(c_associated_1) (void *);
+GFC_LOGICAL_4 ISO_C_BINDING_PREFIX(c_associated_2) (void *, void *);
+
+void ISO_C_BINDING_PREFIX(c_f_pointer_u0) (void *, gfc_array_void *,
+ const array_t *);
+void ISO_C_BINDING_PREFIX(c_f_pointer_d0) (void *, gfc_array_void *,
+ const array_t *);
+
+void *ISO_C_BINDING_PREFIX(c_loc) (void *);
+void *ISO_C_BINDING_PREFIX(c_funloc) (void *);
+
+#endif
diff --git a/libgfortran/intrinsics/iso_c_generated_procs.c b/libgfortran/intrinsics/iso_c_generated_procs.c
new file mode 100644
index 0000000..f60b264
--- /dev/null
+++ b/libgfortran/intrinsics/iso_c_generated_procs.c
@@ -0,0 +1,264 @@
+/* Implementation of the ISO_C_BINDING library helper generated functions.
+ Copyright (C) 2007 Free Software Foundation, Inc.
+ Contributed by Christopher Rickett.
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file. (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+Libgfortran 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public
+License along with libgfortran; see the file COPYING. If not,
+write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
+
+
+#include "libgfortran.h"
+#include "iso_c_binding.h"
+
+
+/* TODO: This file needs to be finished so that a function is provided
+ for all possible type/kind combinations! */
+
+#ifdef HAVE_GFC_INTEGER_1
+void ISO_C_BINDING_PREFIX (c_f_pointer_i1) (void *, gfc_array_void *,
+ const array_t *);
+#endif
+
+#ifdef HAVE_GFC_INTEGER_2
+void ISO_C_BINDING_PREFIX (c_f_pointer_i2) (void *, gfc_array_void *,
+ const array_t *);
+#endif
+
+#ifdef HAVE_GFC_INTEGER_4
+void ISO_C_BINDING_PREFIX (c_f_pointer_i4) (void *, gfc_array_void *,
+ const array_t *);
+#endif
+
+#ifdef HAVE_GFC_INTEGER_8
+void ISO_C_BINDING_PREFIX (c_f_pointer_i8) (void *, gfc_array_void *,
+ const array_t *);
+#endif
+
+#ifdef HAVE_GFC_INTEGER_16
+void ISO_C_BINDING_PREFIX (c_f_pointer_i16) (void *, gfc_array_void *,
+ const array_t *);
+#endif
+
+#ifdef HAVE_GFC_REAL_4
+void ISO_C_BINDING_PREFIX (c_f_pointer_r4) (void *, gfc_array_void *,
+ const array_t *);
+#endif
+
+#ifdef HAVE_GFC_REAL_8
+void ISO_C_BINDING_PREFIX (c_f_pointer_r8) (void *, gfc_array_void *,
+ const array_t *);
+#endif
+
+#ifdef HAVE_GFC_REAL_10
+void ISO_C_BINDING_PREFIX (c_f_pointer_r10) (void *, gfc_array_void *,
+ const array_t *);
+#endif
+#ifdef HAVE_GFC_REAL_16
+void ISO_C_BINDING_PREFIX (c_f_pointer_r16) (void *, gfc_array_void *,
+ const array_t *);
+#endif
+
+
+#ifdef HAVE_GFC_INTEGER_1
+/* Set the given Fortran pointer, 'f_ptr_out', to point to the given C
+ address, 'c_ptr_in'. The Fortran pointer is of type integer and
+ kind=1. The function c_f_pointer is used to set up the pointer
+ descriptor. shape is a one-dimensional array of integers
+ specifying the upper bounds of the array pointed to by the given C
+ address, if applicable. 'shape' is an optional parameter in
+ Fortran, so if the user does not provide it, it will come in here
+ as NULL. */
+
+void
+ISO_C_BINDING_PREFIX (c_f_pointer_i1) (void *c_ptr_in,
+ gfc_array_void *f_ptr_out,
+ const array_t *shape)
+{
+ /* Here we have an integer(kind=1). */
+ ISO_C_BINDING_PREFIX (c_f_pointer) (c_ptr_in, f_ptr_out, shape,
+ (int) GFC_DTYPE_INTEGER,
+ (int) sizeof (GFC_INTEGER_1));
+}
+#endif
+
+
+#ifdef HAVE_GFC_INTEGER_2
+/* Set the given Fortran pointer, 'f_ptr_out', to point to the given C
+ address, 'c_ptr_in'. The Fortran pointer is of type integer and
+ kind=2. The function c_f_pointer is used to set up the pointer
+ descriptor. shape is a one-dimensional array of integers
+ specifying the upper bounds of the array pointed to by the given C
+ address, if applicable. 'shape' is an optional parameter in
+ Fortran, so if the user does not provide it, it will come in here
+ as NULL. */
+
+void
+ISO_C_BINDING_PREFIX (c_f_pointer_i2) (void *c_ptr_in,
+ gfc_array_void *f_ptr_out,
+ const array_t *shape)
+{
+ /* Here we have an integer(kind=2). */
+ ISO_C_BINDING_PREFIX (c_f_pointer) (c_ptr_in, f_ptr_out, shape,
+ (int) GFC_DTYPE_INTEGER,
+ (int) sizeof (GFC_INTEGER_2));
+}
+#endif
+
+
+#ifdef HAVE_GFC_INTEGER_4
+/* Set the given Fortran pointer, f_ptr_out, to point to the given C
+ address, c_ptr_in. The Fortran pointer is of type integer and
+ kind=4. The function c_f_pointer is used to set up the pointer
+ descriptor. */
+
+void
+ISO_C_BINDING_PREFIX (c_f_pointer_i4) (void *c_ptr_in,
+ gfc_array_void *f_ptr_out,
+ const array_t *shape)
+{
+ /* Here we have an integer(kind=4). */
+ ISO_C_BINDING_PREFIX (c_f_pointer) (c_ptr_in, f_ptr_out, shape,
+ (int) GFC_DTYPE_INTEGER,
+ (int) sizeof (GFC_INTEGER_4));
+}
+#endif
+
+
+#ifdef HAVE_GFC_INTEGER_8
+/* Set the given Fortran pointer, f_ptr_out, to point to the given C
+ address, c_ptr_in. The Fortran pointer is of type integer and
+ kind=8. The function c_f_pointer is used to set up the pointer
+ descriptor. */
+
+void
+ISO_C_BINDING_PREFIX (c_f_pointer_i8) (void *c_ptr_in,
+ gfc_array_void *f_ptr_out,
+ const array_t *shape)
+{
+ /* Here we have an integer(kind=8). */
+ ISO_C_BINDING_PREFIX (c_f_pointer) (c_ptr_in, f_ptr_out, shape,
+ (int) GFC_DTYPE_INTEGER,
+ (int) sizeof (GFC_INTEGER_8));
+}
+#endif
+
+
+#ifdef HAVE_GFC_INTEGER_16
+/* Set the given Fortran pointer, 'f_ptr_out', to point to the given C
+ address, 'c_ptr_in'. The Fortran pointer is of type integer and
+ kind=16. The function c_f_pointer is used to set up the pointer
+ descriptor. shape is a one-dimensional array of integers
+ specifying the upper bounds of the array pointed to by the given C
+ address, if applicable. 'shape' is an optional parameter in
+ Fortran, so if the user does not provide it, it will come in here
+ as NULL. */
+
+void
+ISO_C_BINDING_PREFIX (c_f_pointer_i16) (void *c_ptr_in,
+ gfc_array_void *f_ptr_out,
+ const array_t *shape)
+{
+ /* Here we have an integer(kind=16). */
+ ISO_C_BINDING_PREFIX (c_f_pointer) (c_ptr_in, f_ptr_out, shape,
+ (int) GFC_DTYPE_INTEGER,
+ (int) sizeof (GFC_INTEGER_16));
+}
+#endif
+
+
+#ifdef HAVE_GFC_REAL_4
+/* Set the given Fortran pointer, f_ptr_out, to point to the given C
+ address, c_ptr_in. The Fortran pointer is of type real and
+ kind=4. The function c_f_pointer is used to set up the pointer
+ descriptor. */
+
+void
+ISO_C_BINDING_PREFIX (c_f_pointer_r4) (void *c_ptr_in,
+ gfc_array_void *f_ptr_out,
+ const array_t *shape)
+{
+ /* Here we have an real(kind=4). */
+ ISO_C_BINDING_PREFIX (c_f_pointer) (c_ptr_in, f_ptr_out, shape,
+ (int) GFC_DTYPE_REAL,
+ (int) sizeof (GFC_REAL_4));
+}
+#endif
+
+
+#ifdef HAVE_GFC_REAL_8
+/* Set the given Fortran pointer, f_ptr_out, to point to the given C
+ address, c_ptr_in. The Fortran pointer is of type real and
+ kind=8. The function c_f_pointer is used to set up the pointer
+ descriptor. */
+
+void
+ISO_C_BINDING_PREFIX (c_f_pointer_r8) (void *c_ptr_in,
+ gfc_array_void *f_ptr_out,
+ const array_t *shape)
+{
+ /* Here we have an real(kind=8). */
+ ISO_C_BINDING_PREFIX (c_f_pointer) (c_ptr_in, f_ptr_out, shape,
+ (int) GFC_DTYPE_REAL,
+ (int) sizeof (GFC_REAL_8));
+}
+#endif
+
+
+#ifdef HAVE_GFC_REAL_10
+/* Set the given Fortran pointer, f_ptr_out, to point to the given C
+ address, c_ptr_in. The Fortran pointer is of type real and
+ kind=10. The function c_f_pointer is used to set up the pointer
+ descriptor. */
+
+void
+ISO_C_BINDING_PREFIX (c_f_pointer_r10) (void *c_ptr_in,
+ gfc_array_void *f_ptr_out,
+ const array_t *shape)
+{
+ /* Here we have an real(kind=10). */
+ ISO_C_BINDING_PREFIX (c_f_pointer) (c_ptr_in, f_ptr_out, shape,
+ (int) GFC_DTYPE_REAL,
+ (int) sizeof (GFC_REAL_10));
+}
+#endif
+
+
+#ifdef HAVE_GFC_REAL_16
+/* Set the given Fortran pointer, f_ptr_out, to point to the given C
+ address, c_ptr_in. The Fortran pointer is of type real and
+ kind=16. The function c_f_pointer is used to set up the pointer
+ descriptor. */
+
+void
+ISO_C_BINDING_PREFIX (c_f_pointer_r16) (void *c_ptr_in,
+ gfc_array_void *f_ptr_out,
+ const array_t *shape)
+{
+ /* Here we have an real(kind=16). */
+ ISO_C_BINDING_PREFIX (c_f_pointer) (c_ptr_in, f_ptr_out, shape,
+ (int) GFC_DTYPE_REAL,
+ (int) sizeof (GFC_REAL_16));
+}
+#endif
diff --git a/libgfortran/io/unit.c b/libgfortran/io/unit.c
index fac67bd..9297af0 100644
--- a/libgfortran/io/unit.c
+++ b/libgfortran/io/unit.c
@@ -690,26 +690,11 @@ update_position (gfc_unit *u)
must free memory allocated for the filename string. */
char *
-filename_from_unit (int n)
+filename_from_unit (int unit_number)
{
char *filename;
- gfc_unit *u;
- int c;
-
- /* Find the unit. */
- u = unit_root;
- while (u != NULL)
- {
- c = compare (n, u->unit_number);
- if (c < 0)
- u = u->left;
- if (c > 0)
- u = u->right;
- if (c == 0)
- break;
- }
-
- /* Get the filename. */
+ gfc_unit *u = NULL;
+ u = find_unit (unit_number);
if (u != NULL)
{
filename = (char *) get_mem (u->file_len + 1);
@@ -718,5 +703,4 @@ filename_from_unit (int n)
}
else
return (char *) NULL;
-}
-
+} \ No newline at end of file
diff --git a/libgfortran/libgfortran.h b/libgfortran/libgfortran.h
index e0801a1..f73594dc 100644
--- a/libgfortran/libgfortran.h
+++ b/libgfortran/libgfortran.h
@@ -321,6 +321,9 @@ typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_LOGICAL_16) gfc_array_l16;
#define GFC_DTYPE_TYPE_MASK 0x38
#define GFC_DTYPE_SIZE_SHIFT 6
+/* added for f03. --Rickett, 02.28.06 */
+#define GFC_NUM_RANK_BITS 3
+
enum
{
GFC_DTYPE_UNKNOWN = 0,