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-rw-r--r--gcc/fortran/ChangeLog13
-rw-r--r--gcc/fortran/trans-array.c29
-rw-r--r--gcc/fortran/trans-decl.c22
-rw-r--r--gcc/fortran/trans-stmt.c23
-rw-r--r--libgfortran/ChangeLog13
-rw-r--r--libgfortran/runtime/memory.c106
6 files changed, 108 insertions, 98 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index eb9efa1b9cd..fdc054ecfc4 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,16 @@
+2006-12-13 Richard Guenther <rguenther@suse.de>
+
+ PR fortran/30115
+ * trans-array.c (gfc_array_allocate): Adjust for changed
+ library interface.
+ (gfc_array_deallocate): Likewise.
+ (gfc_trans_dealloc_allocated): Likewise.
+ * trans-stmt.c (gfc_trans_allocate): Likewise.
+ (gfc_trans_deallocate): Likewise.
+ * trans-decl.c (gfc_build_builtin_function_decls): Adjust
+ function declarations to match the library changes. Mark
+ allocation functions with DECL_IS_MALLOC.
+
2006-12-12 Tobias Schlüter <tobias.schlueter@physik.uni-muenchen.de>
* trans-expr.c (gfc_conv_substring): Check for empty substring.
diff --git a/gcc/fortran/trans-array.c b/gcc/fortran/trans-array.c
index bfd0600b582..b65ec748f47 100644
--- a/gcc/fortran/trans-array.c
+++ b/gcc/fortran/trans-array.c
@@ -3355,8 +3355,8 @@ gfc_array_allocate (gfc_se * se, gfc_expr * expr, tree pstat)
lower, upper, &se->pre);
/* Allocate memory to store the data. */
- tmp = gfc_conv_descriptor_data_addr (se->expr);
- pointer = gfc_evaluate_now (tmp, &se->pre);
+ pointer = gfc_conv_descriptor_data_get (se->expr);
+ STRIP_NOPS (pointer);
if (TYPE_PRECISION (gfc_array_index_type) == 32)
{
@@ -3375,10 +3375,14 @@ gfc_array_allocate (gfc_se * se, gfc_expr * expr, tree pstat)
else
gcc_unreachable ();
- tmp = gfc_chainon_list (NULL_TREE, pointer);
+ tmp = NULL_TREE;
+ /* The allocate_array variants take the old pointer as first argument. */
+ if (allocatable_array)
+ tmp = gfc_chainon_list (tmp, pointer);
tmp = gfc_chainon_list (tmp, size);
tmp = gfc_chainon_list (tmp, pstat);
tmp = build_function_call_expr (allocate, tmp);
+ tmp = build2 (MODIFY_EXPR, void_type_node, pointer, tmp);
gfc_add_expr_to_block (&se->pre, tmp);
tmp = gfc_conv_descriptor_offset (se->expr);
@@ -3409,8 +3413,8 @@ gfc_array_deallocate (tree descriptor, tree pstat)
gfc_start_block (&block);
/* Get a pointer to the data. */
- tmp = gfc_conv_descriptor_data_addr (descriptor);
- var = gfc_evaluate_now (tmp, &block);
+ var = gfc_conv_descriptor_data_get (descriptor);
+ STRIP_NOPS (var);
/* Parameter is the address of the data component. */
tmp = gfc_chainon_list (NULL_TREE, var);
@@ -3418,6 +3422,11 @@ gfc_array_deallocate (tree descriptor, tree pstat)
tmp = build_function_call_expr (gfor_fndecl_deallocate, tmp);
gfc_add_expr_to_block (&block, tmp);
+ /* Zero the data pointer. */
+ tmp = build2 (MODIFY_EXPR, void_type_node,
+ var, build_int_cst (TREE_TYPE (var), 0));
+ gfc_add_expr_to_block (&block, tmp);
+
return gfc_finish_block (&block);
}
@@ -4690,8 +4699,8 @@ gfc_trans_dealloc_allocated (tree descriptor)
gfc_start_block (&block);
- tmp = gfc_conv_descriptor_data_addr (descriptor);
- var = gfc_evaluate_now (tmp, &block);
+ var = gfc_conv_descriptor_data_get (descriptor);
+ STRIP_NOPS (var);
tmp = gfc_create_var (gfc_array_index_type, NULL);
ptr = build_fold_addr_expr (tmp);
@@ -4702,6 +4711,12 @@ gfc_trans_dealloc_allocated (tree descriptor)
tmp = gfc_chainon_list (tmp, ptr);
tmp = build_function_call_expr (gfor_fndecl_deallocate, tmp);
gfc_add_expr_to_block (&block, tmp);
+
+ /* Zero the data pointer. */
+ tmp = build2 (MODIFY_EXPR, void_type_node,
+ var, build_int_cst (TREE_TYPE (var), 0));
+ gfc_add_expr_to_block (&block, tmp);
+
return gfc_finish_block (&block);
}
diff --git a/gcc/fortran/trans-decl.c b/gcc/fortran/trans-decl.c
index 67e654c9751..815b15e1016 100644
--- a/gcc/fortran/trans-decl.c
+++ b/gcc/fortran/trans-decl.c
@@ -2304,27 +2304,31 @@ gfc_build_builtin_function_decls (void)
gfor_fndecl_allocate =
gfc_build_library_function_decl (get_identifier (PREFIX("allocate")),
- void_type_node, 2, ppvoid_type_node,
- gfc_int4_type_node);
+ pvoid_type_node, 2,
+ gfc_int4_type_node, gfc_pint4_type_node);
+ DECL_IS_MALLOC (gfor_fndecl_allocate) = 1;
gfor_fndecl_allocate64 =
gfc_build_library_function_decl (get_identifier (PREFIX("allocate64")),
- void_type_node, 2, ppvoid_type_node,
- gfc_int8_type_node);
+ pvoid_type_node, 2,
+ gfc_int8_type_node, gfc_pint4_type_node);
+ DECL_IS_MALLOC (gfor_fndecl_allocate64) = 1;
gfor_fndecl_allocate_array =
gfc_build_library_function_decl (get_identifier (PREFIX("allocate_array")),
- void_type_node, 2, ppvoid_type_node,
- gfc_int4_type_node);
+ pvoid_type_node, 3, pvoid_type_node,
+ gfc_int4_type_node, gfc_pint4_type_node);
+ DECL_IS_MALLOC (gfor_fndecl_allocate_array) = 1;
gfor_fndecl_allocate64_array =
gfc_build_library_function_decl (get_identifier (PREFIX("allocate64_array")),
- void_type_node, 2, ppvoid_type_node,
- gfc_int8_type_node);
+ pvoid_type_node, 3, pvoid_type_node,
+ gfc_int8_type_node, gfc_pint4_type_node);
+ DECL_IS_MALLOC (gfor_fndecl_allocate64_array) = 1;
gfor_fndecl_deallocate =
gfc_build_library_function_decl (get_identifier (PREFIX("deallocate")),
- void_type_node, 2, ppvoid_type_node,
+ void_type_node, 2, pvoid_type_node,
gfc_pint4_type_node);
gfor_fndecl_stop_numeric =
diff --git a/gcc/fortran/trans-stmt.c b/gcc/fortran/trans-stmt.c
index 03ff0fee92b..df853ec264b 100644
--- a/gcc/fortran/trans-stmt.c
+++ b/gcc/fortran/trans-stmt.c
@@ -3571,21 +3571,15 @@ gfc_trans_allocate (gfc_code * code)
if (!gfc_array_allocate (&se, expr, pstat))
{
/* A scalar or derived type. */
- tree val;
-
- val = gfc_create_var (ppvoid_type_node, "ptr");
- tmp = gfc_build_addr_expr (ppvoid_type_node, se.expr);
- gfc_add_modify_expr (&se.pre, val, tmp);
-
tmp = TYPE_SIZE_UNIT (TREE_TYPE (TREE_TYPE (se.expr)));
if (expr->ts.type == BT_CHARACTER && tmp == NULL_TREE)
tmp = se.string_length;
- parm = gfc_chainon_list (NULL_TREE, val);
- parm = gfc_chainon_list (parm, tmp);
+ parm = gfc_chainon_list (NULL_TREE, tmp);
parm = gfc_chainon_list (parm, pstat);
tmp = build_function_call_expr (gfor_fndecl_allocate, parm);
+ tmp = build2 (MODIFY_EXPR, void_type_node, se.expr, tmp);
gfc_add_expr_to_block (&se.pre, tmp);
if (code->expr)
@@ -3650,7 +3644,7 @@ gfc_trans_deallocate (gfc_code * code)
gfc_se se;
gfc_alloc *al;
gfc_expr *expr;
- tree apstat, astat, parm, pstat, stat, tmp, type, var;
+ tree apstat, astat, parm, pstat, stat, tmp;
stmtblock_t block;
gfc_start_block (&block);
@@ -3713,14 +3707,13 @@ gfc_trans_deallocate (gfc_code * code)
tmp = gfc_array_deallocate (se.expr, pstat);
else
{
- type = build_pointer_type (TREE_TYPE (se.expr));
- var = gfc_create_var (type, "ptr");
- tmp = gfc_build_addr_expr (type, se.expr);
- gfc_add_modify_expr (&se.pre, var, tmp);
-
- parm = gfc_chainon_list (NULL_TREE, var);
+ parm = gfc_chainon_list (NULL_TREE, se.expr);
parm = gfc_chainon_list (parm, pstat);
tmp = build_function_call_expr (gfor_fndecl_deallocate, parm);
+ gfc_add_expr_to_block (&se.pre, tmp);
+
+ tmp = build2 (MODIFY_EXPR, void_type_node,
+ se.expr, build_int_cst (TREE_TYPE (se.expr), 0));
}
gfc_add_expr_to_block (&se.pre, tmp);
diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index 6d9739a6f8c..d80cf70f170 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,3 +1,16 @@
+2006-12-13 Richard Guenther <rguenther@suse.de>
+
+ PR fortran/30115
+ * runtime/memory.c (allocate_size): Change interface to
+ void *()(size_t, GFC_INTEGER_4 *).
+ (allocate): Likewise.
+ (allocate64): Likewise.
+ (allocate_array): Change interface to
+ void *()(void *, size_t, GFC_INTEGER_4 *).
+ (allocate64_array): Likewise.
+ (deallocate): Change interface to
+ void ()(void *, GFC_INTEGER_4 *).
+
2006-12-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
PR libfortran/29810
diff --git a/libgfortran/runtime/memory.c b/libgfortran/runtime/memory.c
index 43a72e3f1b2..b38d062669f 100644
--- a/libgfortran/runtime/memory.c
+++ b/libgfortran/runtime/memory.c
@@ -174,133 +174,110 @@ internal_realloc64 (void *mem, GFC_INTEGER_8 size)
/* User-allocate, one call for each member of the alloc-list of an
ALLOCATE statement. */
-static void
-allocate_size (void **mem, size_t size, GFC_INTEGER_4 * stat)
+static void *
+allocate_size (size_t size, GFC_INTEGER_4 * stat)
{
void *newmem;
- if (!mem)
- runtime_error ("Internal: NULL mem pointer in ALLOCATE.");
-
newmem = malloc (size ? size : 1);
if (!newmem)
{
if (stat)
{
*stat = 1;
- return;
+ return newmem;
}
else
runtime_error ("ALLOCATE: Out of memory.");
}
- (*mem) = newmem;
-
if (stat)
*stat = 0;
+
+ return newmem;
}
-extern void allocate (void **, GFC_INTEGER_4, GFC_INTEGER_4 *);
+extern void *allocate (GFC_INTEGER_4, GFC_INTEGER_4 *);
export_proto(allocate);
-void
-allocate (void **mem, GFC_INTEGER_4 size, GFC_INTEGER_4 * stat)
+void *
+allocate (GFC_INTEGER_4 size, GFC_INTEGER_4 * stat)
{
if (size < 0)
- {
- runtime_error ("Attempt to allocate negative amount of memory. "
- "Possible integer overflow");
- abort ();
- }
+ runtime_error ("Attempt to allocate negative amount of memory. "
+ "Possible integer overflow");
- allocate_size (mem, (size_t) size, stat);
+ return allocate_size ((size_t) size, stat);
}
-extern void allocate64 (void **, GFC_INTEGER_8, GFC_INTEGER_4 *);
+extern void *allocate64 (GFC_INTEGER_8, GFC_INTEGER_4 *);
export_proto(allocate64);
-void
-allocate64 (void **mem, GFC_INTEGER_8 size, GFC_INTEGER_4 * stat)
+void *
+allocate64 (GFC_INTEGER_8 size, GFC_INTEGER_4 * stat)
{
if (size < 0)
- {
- runtime_error
- ("ALLOCATE64: Attempt to allocate negative amount of memory. "
- "Possible integer overflow");
- abort ();
- }
+ runtime_error ("ALLOCATE64: Attempt to allocate negative amount of "
+ "memory. Possible integer overflow");
- allocate_size (mem, (size_t) size, stat);
+ return allocate_size ((size_t) size, stat);
}
/* Function to call in an ALLOCATE statement when the argument is an
allocatable array. If the array is currently allocated, it is
an error to allocate it again. 32-bit version. */
-extern void allocate_array (void **, GFC_INTEGER_4, GFC_INTEGER_4 *);
+extern void *allocate_array (void *, GFC_INTEGER_4, GFC_INTEGER_4 *);
export_proto(allocate_array);
-void
-allocate_array (void **mem, GFC_INTEGER_4 size, GFC_INTEGER_4 * stat)
+void *
+allocate_array (void *mem, GFC_INTEGER_4 size, GFC_INTEGER_4 * stat)
{
- if (*mem == NULL)
- {
- allocate (mem, size, stat);
- return;
- }
+ if (mem == NULL)
+ return allocate (size, stat);
if (stat)
{
- free (*mem);
- allocate (mem, size, stat);
+ free (mem);
+ mem = allocate (size, stat);
*stat = ERROR_ALLOCATION;
- return;
+ return mem;
}
- else
- runtime_error ("Attempting to allocate already allocated array.");
- return;
+ runtime_error ("Attempting to allocate already allocated array.");
}
/* Function to call in an ALLOCATE statement when the argument is an
allocatable array. If the array is currently allocated, it is
an error to allocate it again. 64-bit version. */
-extern void allocate64_array (void **, GFC_INTEGER_8, GFC_INTEGER_4 *);
+extern void *allocate64_array (void *, GFC_INTEGER_8, GFC_INTEGER_4 *);
export_proto(allocate64_array);
-void
-allocate64_array (void **mem, GFC_INTEGER_8 size, GFC_INTEGER_4 * stat)
+void *
+allocate64_array (void *mem, GFC_INTEGER_8 size, GFC_INTEGER_4 * stat)
{
- if (*mem == NULL)
- {
- allocate64 (mem, size, stat);
- return;
- }
+ if (mem == NULL)
+ return allocate64 (size, stat);
if (stat)
{
- free (*mem);
- allocate (mem, size, stat);
+ free (mem);
+ mem = allocate (size, stat);
*stat = ERROR_ALLOCATION;
- return;
+ return mem;
}
- else
- runtime_error ("Attempting to allocate already allocated array.");
- return;
+ runtime_error ("Attempting to allocate already allocated array.");
}
/* User-deallocate; pointer is NULLified. */
-extern void deallocate (void **, GFC_INTEGER_4 *);
+extern void deallocate (void *, GFC_INTEGER_4 *);
export_proto(deallocate);
void
-deallocate (void **mem, GFC_INTEGER_4 * stat)
+deallocate (void *mem, GFC_INTEGER_4 * stat)
{
if (!mem)
- runtime_error ("Internal: NULL mem pointer in DEALLOCATE.");
-
- if (!*mem)
{
if (stat)
{
@@ -308,15 +285,10 @@ deallocate (void **mem, GFC_INTEGER_4 * stat)
return;
}
else
- {
- runtime_error
- ("Internal: Attempt to DEALLOCATE unallocated memory.");
- abort ();
- }
+ runtime_error ("Internal: Attempt to DEALLOCATE unallocated memory.");
}
- free (*mem);
- *mem = NULL;
+ free (mem);
if (stat)
*stat = 0;