openmp: Add basic library allocator support.

[gcc.git] / libgomp / libgomp.h

diff --git a/libgomp/libgomp.h b/libgomp/libgomp.h
index 8139cd7de08678c62efdc2b3153138fadc9e2884..ca42e0de64041621079678b9d82f5b2101d76591 100644 (file)
--- a/libgomp/libgomp.h
+++ b/libgomp/libgomp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
    Contributed by Richard Henderson <rth@redhat.com>.
 
    This file is part of the GNU Offloading and Multi Processing Library
@@ -397,6 +397,9 @@ struct gomp_team_state
   unsigned place_partition_off;
   unsigned place_partition_len;
 
+  /* Def-allocator-var ICV.  */
+  uintptr_t def_allocator;
+
 #ifdef HAVE_SYNC_BUILTINS
   /* Number of single stmts encountered.  */
   unsigned long single_count;
@@ -450,6 +453,7 @@ extern int gomp_debug_var;
 extern bool gomp_display_affinity_var;
 extern char *gomp_affinity_format_var;
 extern size_t gomp_affinity_format_len;
+extern uintptr_t gomp_def_allocator;
 extern int goacc_device_num;
 extern char *goacc_device_type;
 extern int goacc_default_dims[GOMP_DIM_MAX];
@@ -832,7 +836,7 @@ extern void gomp_display_affinity_place (char *, size_t, size_t *, int);
 
 /* affinity-fmt.c */
 
-extern void gomp_print_string (const char *str, size_t len);
+extern bool gomp_print_string (const char *str, size_t len);
 extern void gomp_set_affinity_format (const char *, size_t);
 extern void gomp_display_string (char *, size_t, size_t *, const char *,
                                 size_t);
@@ -948,6 +952,8 @@ struct target_var_desc {
   bool copy_from;
   /* True if data always should be copied from device to host at the end.  */
   bool always_copy_from;
+  /* True if variable should be detached at end of region.  */
+  bool do_detach;
   /* Relative offset against key host_start.  */
   uintptr_t offset;
   /* Actual length.  */
@@ -994,6 +1000,9 @@ struct target_mem_desc {
 struct splay_tree_aux {
   /* Pointer to the original mapping of "omp declare target link" object.  */
   splay_tree_key link_key;
+  /* For a block with attached pointers, the attachment counters for each.
+     Only used for OpenACC.  */
+  uintptr_t *attach_count;
 };
 
 struct splay_tree_key_s {
@@ -1063,6 +1072,8 @@ typedef struct acc_dispatch_t
     __typeof (GOMP_OFFLOAD_openacc_async_host2dev) *host2dev_func;
   } async;
 
+  __typeof (GOMP_OFFLOAD_openacc_get_property) *get_property_func;
+
   /* NVIDIA target specific routines.  */
   struct {
     __typeof (GOMP_OFFLOAD_openacc_cuda_get_current_device)
@@ -1158,6 +1169,13 @@ extern void gomp_copy_dev2host (struct gomp_device_descr *,
                                struct goacc_asyncqueue *, void *, const void *,
                                size_t);
 extern uintptr_t gomp_map_val (struct target_mem_desc *, void **, size_t);
+extern void gomp_attach_pointer (struct gomp_device_descr *,
+                                struct goacc_asyncqueue *, splay_tree,
+                                splay_tree_key, uintptr_t, size_t,
+                                struct gomp_coalesce_buf *);
+extern void gomp_detach_pointer (struct gomp_device_descr *,
+                                struct goacc_asyncqueue *, splay_tree_key,
+                                uintptr_t, bool, struct gomp_coalesce_buf *);
 
 extern struct target_mem_desc *gomp_map_vars (struct gomp_device_descr *,
                                              size_t, void **, void **,