summaryrefslogtreecommitdiff
path: root/libgcc/offloadstuff.c
diff options
context:
space:
mode:
Diffstat (limited to 'libgcc/offloadstuff.c')
-rw-r--r--libgcc/offloadstuff.c84
1 files changed, 84 insertions, 0 deletions
diff --git a/libgcc/offloadstuff.c b/libgcc/offloadstuff.c
new file mode 100644
index 0000000000..301439fc36
--- /dev/null
+++ b/libgcc/offloadstuff.c
@@ -0,0 +1,84 @@
+/* Specialized bits of code needed for the offloading tables.
+ Copyright (C) 2014-2017 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC 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 3, or (at your option) any later
+version.
+
+GCC 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.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+/* Target machine header files require this define. */
+#define IN_LIBGCC2
+
+/* FIXME: Including auto-host is incorrect, but until we have
+ identified the set of defines that need to go into auto-target.h,
+ this will have to do. */
+#include "auto-host.h"
+#undef caddr_t
+#undef pid_t
+#undef rlim_t
+#undef ssize_t
+#undef vfork
+#include "tconfig.h"
+#include "tsystem.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "libgcc_tm.h"
+
+#if defined(HAVE_GAS_HIDDEN) && ENABLE_OFFLOADING == 1
+
+#define OFFLOAD_FUNC_TABLE_SECTION_NAME ".gnu.offload_funcs"
+#define OFFLOAD_VAR_TABLE_SECTION_NAME ".gnu.offload_vars"
+
+#ifdef CRT_BEGIN
+
+const void *const __offload_func_table[0]
+ __attribute__ ((__used__, visibility ("hidden"),
+ section (OFFLOAD_FUNC_TABLE_SECTION_NAME))) = { };
+const void *const __offload_var_table[0]
+ __attribute__ ((__used__, visibility ("hidden"),
+ section (OFFLOAD_VAR_TABLE_SECTION_NAME))) = { };
+
+#elif defined CRT_END
+
+const void *const __offload_funcs_end[0]
+ __attribute__ ((__used__, visibility ("hidden"),
+ section (OFFLOAD_FUNC_TABLE_SECTION_NAME))) = { };
+const void *const __offload_vars_end[0]
+ __attribute__ ((__used__, visibility ("hidden"),
+ section (OFFLOAD_VAR_TABLE_SECTION_NAME))) = { };
+
+#elif defined CRT_TABLE
+
+extern const void *const __offload_func_table[];
+extern const void *const __offload_var_table[];
+extern const void *const __offload_funcs_end[];
+extern const void *const __offload_vars_end[];
+
+const void *const __OFFLOAD_TABLE__[]
+ __attribute__ ((__visibility__ ("hidden"))) =
+{
+ &__offload_func_table, &__offload_funcs_end,
+ &__offload_var_table, &__offload_vars_end
+};
+
+#else /* ! CRT_BEGIN && ! CRT_END && ! CRT_TABLE */
+#error "One of CRT_BEGIN, CRT_END or CRT_TABLE must be defined."
+#endif
+
+#endif