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gcc/libgcc/offloadstuff.c

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[PATCH 1/7] OpenMP 4.0 offloading infrastructure: configure and make * configure: Regenerate. * configure.ac (--enable-as-accelerator-for) (--enable-offload-targets): New configure options. gcc/ * Makefile.in (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): New variables substituted by configure. (libsubdir, libexecsubdir, unlibsubdir): Tweak for the possibility of being configured as an offload compiler. (DRIVER_DEFINES): Pass new defines DEFAULT_REAL_TARGET_MACHINE and ACCEL_DIR_SUFFIX. (install-cpp, install-common, install_driver, install-gcc-ar): Do not install for the offload compiler. * config.in: Regenerate. * configure: Regenerate. * configure.ac (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): Compute new variables. (ACCEL_COMPILER): Define if the compiler is built as the accel compiler. (OFFLOAD_TARGETS): List of target names suitable for offloading. (ENABLE_OFFLOADING): Define if list of offload targets is not empty. gcc/cp/ * Make-lang.in (c++.install-common): Do not install for the offload compiler. gcc/doc/ * install.texi (Options specification): Document --enable-as-accelerator-for and --enable-offload-targets. gcc/fortran/ * Make-lang.in (fortran.install-common): Do not install for the offload compiler. libgcc/ * Makefile.in (crtoffloadbegin$(objext)): New rule. (crtoffloadend$(objext)): Likewise. * configure: Regenerate. * configure.ac (accel_dir_suffix): Compute new variable. (extra_parts): Add crtoffloadbegin.o and crtoffloadend.o if enable_offload_targets is not empty. * offloadstuff.c: New file. libgomp/ * config.h.in: Regenerate. * configure: Regenerate. * configure.ac: Check for libdl, required for plugin support. (PLUGIN_SUPPORT): Define if plugins are supported. (enable_offload_targets): Support Intel MIC targets. (OFFLOAD_TARGETS): List of target names suitable for offloading. lto-plugin/ * Makefile.am (libexecsubdir): Tweak for the possibility of being configured for offload compiler. (accel_dir_suffix, real_target_noncanonical): New variables substituted by configure. * Makefile.in: Regenerate. * configure: Regenerate. * configure.ac (accel_dir_suffix, real_target_noncanonical): Compute new variables. Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com> Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com> Co-Authored-By: Thomas Schwinge <thomas@codesourcery.com> From-SVN: r217485
2014-11-13 13:28:56 +00:00
/* Specialized bits of code needed for the offloading tables.
Update copyright years.
2024-01-03 12:19:35 +01:00
Copyright (C) 2014-2024 Free Software Foundation, Inc.
[PATCH 1/7] OpenMP 4.0 offloading infrastructure: configure and make * configure: Regenerate. * configure.ac (--enable-as-accelerator-for) (--enable-offload-targets): New configure options. gcc/ * Makefile.in (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): New variables substituted by configure. (libsubdir, libexecsubdir, unlibsubdir): Tweak for the possibility of being configured as an offload compiler. (DRIVER_DEFINES): Pass new defines DEFAULT_REAL_TARGET_MACHINE and ACCEL_DIR_SUFFIX. (install-cpp, install-common, install_driver, install-gcc-ar): Do not install for the offload compiler. * config.in: Regenerate. * configure: Regenerate. * configure.ac (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): Compute new variables. (ACCEL_COMPILER): Define if the compiler is built as the accel compiler. (OFFLOAD_TARGETS): List of target names suitable for offloading. (ENABLE_OFFLOADING): Define if list of offload targets is not empty. gcc/cp/ * Make-lang.in (c++.install-common): Do not install for the offload compiler. gcc/doc/ * install.texi (Options specification): Document --enable-as-accelerator-for and --enable-offload-targets. gcc/fortran/ * Make-lang.in (fortran.install-common): Do not install for the offload compiler. libgcc/ * Makefile.in (crtoffloadbegin$(objext)): New rule. (crtoffloadend$(objext)): Likewise. * configure: Regenerate. * configure.ac (accel_dir_suffix): Compute new variable. (extra_parts): Add crtoffloadbegin.o and crtoffloadend.o if enable_offload_targets is not empty. * offloadstuff.c: New file. libgomp/ * config.h.in: Regenerate. * configure: Regenerate. * configure.ac: Check for libdl, required for plugin support. (PLUGIN_SUPPORT): Define if plugins are supported. (enable_offload_targets): Support Intel MIC targets. (OFFLOAD_TARGETS): List of target names suitable for offloading. lto-plugin/ * Makefile.am (libexecsubdir): Tweak for the possibility of being configured for offload compiler. (accel_dir_suffix, real_target_noncanonical): New variables substituted by configure. * Makefile.in: Regenerate. * configure: Regenerate. * configure.ac (accel_dir_suffix, real_target_noncanonical): Compute new variables. Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com> Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com> Co-Authored-By: Thomas Schwinge <thomas@codesourcery.com> From-SVN: r217485
2014-11-13 13:28:56 +00:00
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"
re PR driver/68463 (Offloading fails when some objects are compiled with LTO and some without) gcc/ PR driver/68463 * config/gnu-user.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o if offloading is enabled and -fopenacc or -fopenmp is specified. (CRTOFFLOADEND): Likewise. (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN. (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND. * lto-wrapper.c (offloadbegin, offloadend): Remove static vars. (offload_objects_file_name): New static var. (tool_cleanup): Remove offload_objects_file_name file. (find_offloadbeginend): Replace with ... (find_crtoffloadtable): ... this. (run_gcc): Remove offload_argc and offload_argv. Get offload_objects_file_name from -foffload-objects=... option. Read names of object files with offload from this file, pass them to compile_images_for_offload_targets. Don't call find_offloadbeginend and don't pass offloadbegin and offloadend to the linker. Don't pass offload non-LTO files to the linker, because now they're not claimed. libgcc/ PR driver/68463 * Makefile.in (crtoffloadtable$(objext)): New rule. * configure.ac (extra_parts): Add crtoffloadtable$(objext) if enable_offload_targets is not empty. * configure: Regenerate. * offloadstuff.c: Move __OFFLOAD_TABLE__ from crtoffloadend to crtoffloadtable. libgomp/ PR driver/68463 * testsuite/libgomp.oacc-c-c++-common/parallel-dims-2.c: Remove. lto-plugin/ PR driver/68463 * lto-plugin.c (struct plugin_offload_file): New. (offload_files): Change type. (offload_files_last, offload_files_last_obj): New. (offload_files_last_lto): New. (free_2): Adjust accordingly. (all_symbols_read_handler): Don't add offload files to lto_arg_ptr. Don't call free_1 for offload_files. Write names of object files with offloading to the temporary file. Add new option to lto_arg_ptr. (claim_file_handler): Don't claim file if it contains offload sections without LTO sections. If it contains offload sections, add to the list. From-SVN: r233712
2016-02-25 12:23:52 +00:00
#if defined(HAVE_GAS_HIDDEN) && ENABLE_OFFLOADING == 1
[PATCH 1/7] OpenMP 4.0 offloading infrastructure: configure and make * configure: Regenerate. * configure.ac (--enable-as-accelerator-for) (--enable-offload-targets): New configure options. gcc/ * Makefile.in (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): New variables substituted by configure. (libsubdir, libexecsubdir, unlibsubdir): Tweak for the possibility of being configured as an offload compiler. (DRIVER_DEFINES): Pass new defines DEFAULT_REAL_TARGET_MACHINE and ACCEL_DIR_SUFFIX. (install-cpp, install-common, install_driver, install-gcc-ar): Do not install for the offload compiler. * config.in: Regenerate. * configure: Regenerate. * configure.ac (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): Compute new variables. (ACCEL_COMPILER): Define if the compiler is built as the accel compiler. (OFFLOAD_TARGETS): List of target names suitable for offloading. (ENABLE_OFFLOADING): Define if list of offload targets is not empty. gcc/cp/ * Make-lang.in (c++.install-common): Do not install for the offload compiler. gcc/doc/ * install.texi (Options specification): Document --enable-as-accelerator-for and --enable-offload-targets. gcc/fortran/ * Make-lang.in (fortran.install-common): Do not install for the offload compiler. libgcc/ * Makefile.in (crtoffloadbegin$(objext)): New rule. (crtoffloadend$(objext)): Likewise. * configure: Regenerate. * configure.ac (accel_dir_suffix): Compute new variable. (extra_parts): Add crtoffloadbegin.o and crtoffloadend.o if enable_offload_targets is not empty. * offloadstuff.c: New file. libgomp/ * config.h.in: Regenerate. * configure: Regenerate. * configure.ac: Check for libdl, required for plugin support. (PLUGIN_SUPPORT): Define if plugins are supported. (enable_offload_targets): Support Intel MIC targets. (OFFLOAD_TARGETS): List of target names suitable for offloading. lto-plugin/ * Makefile.am (libexecsubdir): Tweak for the possibility of being configured for offload compiler. (accel_dir_suffix, real_target_noncanonical): New variables substituted by configure. * Makefile.in: Regenerate. * configure: Regenerate. * configure.ac (accel_dir_suffix, real_target_noncanonical): Compute new variables. Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com> Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com> Co-Authored-By: Thomas Schwinge <thomas@codesourcery.com> From-SVN: r217485
2014-11-13 13:28:56 +00:00
#define OFFLOAD_FUNC_TABLE_SECTION_NAME ".gnu.offload_funcs"
openmp: Add support for the 'indirect' clause in C/C++ This adds support for the 'indirect' clause in the 'declare target' directive. Functions declared as indirect may be called via function pointers passed from the host in offloaded code. Virtual calls to member functions via the object pointer in C++ are currently not supported in target regions. 2023-11-07 Kwok Cheung Yeung <kcy@codesourcery.com> gcc/c-family/ * c-attribs.cc (c_common_attribute_table): Add attribute for indirect functions. * c-pragma.h (enum parma_omp_clause): Add entry for indirect clause. gcc/c/ * c-decl.cc (c_decl_attributes): Add attribute for indirect functions. * c-lang.h (c_omp_declare_target_attr): Add indirect field. * c-parser.cc (c_parser_omp_clause_name): Handle indirect clause. (c_parser_omp_clause_indirect): New. (c_parser_omp_all_clauses): Handle indirect clause. (OMP_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (c_parser_omp_declare_target): Handle indirect clause. Emit error message if device_type or indirect clauses used alone. Emit error if indirect clause used with device_type that is not 'any'. (OMP_BEGIN_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (c_parser_omp_begin): Handle indirect clause. * c-typeck.cc (c_finish_omp_clauses): Handle indirect clause. gcc/cp/ * cp-tree.h (cp_omp_declare_target_attr): Add indirect field. * decl2.cc (cplus_decl_attributes): Add attribute for indirect functions. * parser.cc (cp_parser_omp_clause_name): Handle indirect clause. (cp_parser_omp_clause_indirect): New. (cp_parser_omp_all_clauses): Handle indirect clause. (handle_omp_declare_target_clause): Add extra parameter. Add indirect attribute for indirect functions. (OMP_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (cp_parser_omp_declare_target): Handle indirect clause. Emit error message if device_type or indirect clauses used alone. Emit error if indirect clause used with device_type that is not 'any'. (OMP_BEGIN_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (cp_parser_omp_begin): Handle indirect clause. * semantics.cc (finish_omp_clauses): Handle indirect clause. gcc/ * lto-cgraph.cc (enum LTO_symtab_tags): Add tag for indirect functions. (output_offload_tables): Write indirect functions. (input_offload_tables): read indirect functions. * lto-section-names.h (OFFLOAD_IND_FUNC_TABLE_SECTION_NAME): New. * omp-builtins.def (BUILT_IN_GOMP_TARGET_MAP_INDIRECT_PTR): New. * omp-offload.cc (offload_ind_funcs): New. (omp_discover_implicit_declare_target): Add functions marked with 'omp declare target indirect' to indirect functions list. (omp_finish_file): Add indirect functions to section for offload indirect functions. (execute_omp_device_lower): Redirect indirect calls on target by passing function pointer to BUILT_IN_GOMP_TARGET_MAP_INDIRECT_PTR. (pass_omp_device_lower::gate): Run pass_omp_device_lower if indirect functions are present on an accelerator device. * omp-offload.h (offload_ind_funcs): New. * tree-core.h (omp_clause_code): Add OMP_CLAUSE_INDIRECT. * tree.cc (omp_clause_num_ops): Add entry for OMP_CLAUSE_INDIRECT. (omp_clause_code_name): Likewise. * tree.h (OMP_CLAUSE_INDIRECT_EXPR): New. * config/gcn/mkoffload.cc (process_asm): Process offload_ind_funcs section. Count number of indirect functions. (process_obj): Emit number of indirect functions. * config/nvptx/mkoffload.cc (ind_func_ids, ind_funcs_tail): New. (process): Emit offload_ind_func_table in PTX code. Emit indirect function names and count in image. * config/nvptx/nvptx.cc (nvptx_record_offload_symbol): Mark indirect functions in PTX code with IND_FUNC_MAP. gcc/testsuite/ * c-c++-common/gomp/declare-target-7.c: Update expected error message. * c-c++-common/gomp/declare-target-indirect-1.c: New. * c-c++-common/gomp/declare-target-indirect-2.c: New. * g++.dg/gomp/attrs-21.C (v12): Update expected error message. * g++.dg/gomp/declare-target-indirect-1.C: New. * gcc.dg/gomp/attrs-21.c (v12): Update expected error message. include/ * gomp-constants.h (GOMP_VERSION): Increment to 3. (GOMP_VERSION_SUPPORTS_INDIRECT_FUNCS): New. libgcc/ * offloadstuff.c (OFFLOAD_IND_FUNC_TABLE_SECTION_NAME): New. (__offload_ind_func_table): New. (__offload_ind_funcs_end): New. (__OFFLOAD_TABLE__): Add entries for indirect functions. libgomp/ * Makefile.am (libgomp_la_SOURCES): Add target-indirect.c. * Makefile.in: Regenerate. * libgomp-plugin.h (GOMP_INDIRECT_ADDR_MAP): New define. (GOMP_OFFLOAD_load_image): Add extra argument. * libgomp.h (struct indirect_splay_tree_key_s): New. (indirect_splay_tree_node, indirect_splay_tree, indirect_splay_tree_key): New. (indirect_splay_compare): New. * libgomp.map (GOMP_5.1.1): Add GOMP_target_map_indirect_ptr. * libgomp.texi (OpenMP 5.1): Update documentation on indirect calls in target region and on indirect clause. (Other new OpenMP 5.2 features): Add entry for virtual function calls. * libgomp_g.h (GOMP_target_map_indirect_ptr): Add prototype. * oacc-host.c (host_load_image): Add extra argument. * target.c (gomp_load_image_to_device): If the GOMP_VERSION is high enough, read host indirect functions table and pass to load_image_func. * config/accel/target-indirect.c: New. * config/linux/target-indirect.c: New. * config/gcn/team.c (build_indirect_map): Add prototype. (gomp_gcn_enter_kernel): Initialize support for indirect function calls on GCN target. * config/nvptx/team.c (build_indirect_map): Add prototype. (gomp_nvptx_main): Initialize support for indirect function calls on NVPTX target. * plugin/plugin-gcn.c (struct gcn_image_desc): Add field for indirect functions count. (GOMP_OFFLOAD_load_image): Add extra argument. If the GOMP_VERSION is high enough, build address translation table and copy it to target memory. * plugin/plugin-nvptx.c (nvptx_tdata): Add field for indirect functions count. (GOMP_OFFLOAD_load_image): Add extra argument. If the GOMP_VERSION is high enough, Build address translation table and copy it to target memory. * testsuite/libgomp.c-c++-common/declare-target-indirect-1.c: New. * testsuite/libgomp.c-c++-common/declare-target-indirect-2.c: New. * testsuite/libgomp.c++/declare-target-indirect-1.C: New.
2023-11-07 15:18:29 +00:00
#define OFFLOAD_IND_FUNC_TABLE_SECTION_NAME ".gnu.offload_ind_funcs"
[PATCH 1/7] OpenMP 4.0 offloading infrastructure: configure and make * configure: Regenerate. * configure.ac (--enable-as-accelerator-for) (--enable-offload-targets): New configure options. gcc/ * Makefile.in (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): New variables substituted by configure. (libsubdir, libexecsubdir, unlibsubdir): Tweak for the possibility of being configured as an offload compiler. (DRIVER_DEFINES): Pass new defines DEFAULT_REAL_TARGET_MACHINE and ACCEL_DIR_SUFFIX. (install-cpp, install-common, install_driver, install-gcc-ar): Do not install for the offload compiler. * config.in: Regenerate. * configure: Regenerate. * configure.ac (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): Compute new variables. (ACCEL_COMPILER): Define if the compiler is built as the accel compiler. (OFFLOAD_TARGETS): List of target names suitable for offloading. (ENABLE_OFFLOADING): Define if list of offload targets is not empty. gcc/cp/ * Make-lang.in (c++.install-common): Do not install for the offload compiler. gcc/doc/ * install.texi (Options specification): Document --enable-as-accelerator-for and --enable-offload-targets. gcc/fortran/ * Make-lang.in (fortran.install-common): Do not install for the offload compiler. libgcc/ * Makefile.in (crtoffloadbegin$(objext)): New rule. (crtoffloadend$(objext)): Likewise. * configure: Regenerate. * configure.ac (accel_dir_suffix): Compute new variable. (extra_parts): Add crtoffloadbegin.o and crtoffloadend.o if enable_offload_targets is not empty. * offloadstuff.c: New file. libgomp/ * config.h.in: Regenerate. * configure: Regenerate. * configure.ac: Check for libdl, required for plugin support. (PLUGIN_SUPPORT): Define if plugins are supported. (enable_offload_targets): Support Intel MIC targets. (OFFLOAD_TARGETS): List of target names suitable for offloading. lto-plugin/ * Makefile.am (libexecsubdir): Tweak for the possibility of being configured for offload compiler. (accel_dir_suffix, real_target_noncanonical): New variables substituted by configure. * Makefile.in: Regenerate. * configure: Regenerate. * configure.ac (accel_dir_suffix, real_target_noncanonical): Compute new variables. Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com> Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com> Co-Authored-By: Thomas Schwinge <thomas@codesourcery.com> From-SVN: r217485
2014-11-13 13:28:56 +00:00
#define OFFLOAD_VAR_TABLE_SECTION_NAME ".gnu.offload_vars"
#ifdef CRT_BEGIN
mkoffload.c (process): Constify host data. gcc/ * config/nvptx/mkoffload.c (process): Constify host data. * config/i386/intelmic-mkoffload.c (generate_target_descr_file): Constify host data. (generate_host_descr_file): Likewise. libgomp/ * target.c (struct_offload_image_descr): Constify host_table. (gomp_offload_image_to_device): Likewise. (GOMP_offload_register, GOMP_offload_unregister): Likewise. libgcc/ * offloadstuff.c: Constify host data. From-SVN: r225943
2015-07-17 17:12:01 +00:00
const void *const __offload_func_table[0]
[PATCH 1/7] OpenMP 4.0 offloading infrastructure: configure and make * configure: Regenerate. * configure.ac (--enable-as-accelerator-for) (--enable-offload-targets): New configure options. gcc/ * Makefile.in (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): New variables substituted by configure. (libsubdir, libexecsubdir, unlibsubdir): Tweak for the possibility of being configured as an offload compiler. (DRIVER_DEFINES): Pass new defines DEFAULT_REAL_TARGET_MACHINE and ACCEL_DIR_SUFFIX. (install-cpp, install-common, install_driver, install-gcc-ar): Do not install for the offload compiler. * config.in: Regenerate. * configure: Regenerate. * configure.ac (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): Compute new variables. (ACCEL_COMPILER): Define if the compiler is built as the accel compiler. (OFFLOAD_TARGETS): List of target names suitable for offloading. (ENABLE_OFFLOADING): Define if list of offload targets is not empty. gcc/cp/ * Make-lang.in (c++.install-common): Do not install for the offload compiler. gcc/doc/ * install.texi (Options specification): Document --enable-as-accelerator-for and --enable-offload-targets. gcc/fortran/ * Make-lang.in (fortran.install-common): Do not install for the offload compiler. libgcc/ * Makefile.in (crtoffloadbegin$(objext)): New rule. (crtoffloadend$(objext)): Likewise. * configure: Regenerate. * configure.ac (accel_dir_suffix): Compute new variable. (extra_parts): Add crtoffloadbegin.o and crtoffloadend.o if enable_offload_targets is not empty. * offloadstuff.c: New file. libgomp/ * config.h.in: Regenerate. * configure: Regenerate. * configure.ac: Check for libdl, required for plugin support. (PLUGIN_SUPPORT): Define if plugins are supported. (enable_offload_targets): Support Intel MIC targets. (OFFLOAD_TARGETS): List of target names suitable for offloading. lto-plugin/ * Makefile.am (libexecsubdir): Tweak for the possibility of being configured for offload compiler. (accel_dir_suffix, real_target_noncanonical): New variables substituted by configure. * Makefile.in: Regenerate. * configure: Regenerate. * configure.ac (accel_dir_suffix, real_target_noncanonical): Compute new variables. Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com> Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com> Co-Authored-By: Thomas Schwinge <thomas@codesourcery.com> From-SVN: r217485
2014-11-13 13:28:56 +00:00
__attribute__ ((__used__, visibility ("hidden"),
section (OFFLOAD_FUNC_TABLE_SECTION_NAME))) = { };
mkoffload.c (process): Constify host data. gcc/ * config/nvptx/mkoffload.c (process): Constify host data. * config/i386/intelmic-mkoffload.c (generate_target_descr_file): Constify host data. (generate_host_descr_file): Likewise. libgomp/ * target.c (struct_offload_image_descr): Constify host_table. (gomp_offload_image_to_device): Likewise. (GOMP_offload_register, GOMP_offload_unregister): Likewise. libgcc/ * offloadstuff.c: Constify host data. From-SVN: r225943
2015-07-17 17:12:01 +00:00
const void *const __offload_var_table[0]
[PATCH 1/7] OpenMP 4.0 offloading infrastructure: configure and make * configure: Regenerate. * configure.ac (--enable-as-accelerator-for) (--enable-offload-targets): New configure options. gcc/ * Makefile.in (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): New variables substituted by configure. (libsubdir, libexecsubdir, unlibsubdir): Tweak for the possibility of being configured as an offload compiler. (DRIVER_DEFINES): Pass new defines DEFAULT_REAL_TARGET_MACHINE and ACCEL_DIR_SUFFIX. (install-cpp, install-common, install_driver, install-gcc-ar): Do not install for the offload compiler. * config.in: Regenerate. * configure: Regenerate. * configure.ac (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): Compute new variables. (ACCEL_COMPILER): Define if the compiler is built as the accel compiler. (OFFLOAD_TARGETS): List of target names suitable for offloading. (ENABLE_OFFLOADING): Define if list of offload targets is not empty. gcc/cp/ * Make-lang.in (c++.install-common): Do not install for the offload compiler. gcc/doc/ * install.texi (Options specification): Document --enable-as-accelerator-for and --enable-offload-targets. gcc/fortran/ * Make-lang.in (fortran.install-common): Do not install for the offload compiler. libgcc/ * Makefile.in (crtoffloadbegin$(objext)): New rule. (crtoffloadend$(objext)): Likewise. * configure: Regenerate. * configure.ac (accel_dir_suffix): Compute new variable. (extra_parts): Add crtoffloadbegin.o and crtoffloadend.o if enable_offload_targets is not empty. * offloadstuff.c: New file. libgomp/ * config.h.in: Regenerate. * configure: Regenerate. * configure.ac: Check for libdl, required for plugin support. (PLUGIN_SUPPORT): Define if plugins are supported. (enable_offload_targets): Support Intel MIC targets. (OFFLOAD_TARGETS): List of target names suitable for offloading. lto-plugin/ * Makefile.am (libexecsubdir): Tweak for the possibility of being configured for offload compiler. (accel_dir_suffix, real_target_noncanonical): New variables substituted by configure. * Makefile.in: Regenerate. * configure: Regenerate. * configure.ac (accel_dir_suffix, real_target_noncanonical): Compute new variables. Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com> Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com> Co-Authored-By: Thomas Schwinge <thomas@codesourcery.com> From-SVN: r217485
2014-11-13 13:28:56 +00:00
__attribute__ ((__used__, visibility ("hidden"),
section (OFFLOAD_VAR_TABLE_SECTION_NAME))) = { };
openmp: Add support for the 'indirect' clause in C/C++ This adds support for the 'indirect' clause in the 'declare target' directive. Functions declared as indirect may be called via function pointers passed from the host in offloaded code. Virtual calls to member functions via the object pointer in C++ are currently not supported in target regions. 2023-11-07 Kwok Cheung Yeung <kcy@codesourcery.com> gcc/c-family/ * c-attribs.cc (c_common_attribute_table): Add attribute for indirect functions. * c-pragma.h (enum parma_omp_clause): Add entry for indirect clause. gcc/c/ * c-decl.cc (c_decl_attributes): Add attribute for indirect functions. * c-lang.h (c_omp_declare_target_attr): Add indirect field. * c-parser.cc (c_parser_omp_clause_name): Handle indirect clause. (c_parser_omp_clause_indirect): New. (c_parser_omp_all_clauses): Handle indirect clause. (OMP_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (c_parser_omp_declare_target): Handle indirect clause. Emit error message if device_type or indirect clauses used alone. Emit error if indirect clause used with device_type that is not 'any'. (OMP_BEGIN_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (c_parser_omp_begin): Handle indirect clause. * c-typeck.cc (c_finish_omp_clauses): Handle indirect clause. gcc/cp/ * cp-tree.h (cp_omp_declare_target_attr): Add indirect field. * decl2.cc (cplus_decl_attributes): Add attribute for indirect functions. * parser.cc (cp_parser_omp_clause_name): Handle indirect clause. (cp_parser_omp_clause_indirect): New. (cp_parser_omp_all_clauses): Handle indirect clause. (handle_omp_declare_target_clause): Add extra parameter. Add indirect attribute for indirect functions. (OMP_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (cp_parser_omp_declare_target): Handle indirect clause. Emit error message if device_type or indirect clauses used alone. Emit error if indirect clause used with device_type that is not 'any'. (OMP_BEGIN_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (cp_parser_omp_begin): Handle indirect clause. * semantics.cc (finish_omp_clauses): Handle indirect clause. gcc/ * lto-cgraph.cc (enum LTO_symtab_tags): Add tag for indirect functions. (output_offload_tables): Write indirect functions. (input_offload_tables): read indirect functions. * lto-section-names.h (OFFLOAD_IND_FUNC_TABLE_SECTION_NAME): New. * omp-builtins.def (BUILT_IN_GOMP_TARGET_MAP_INDIRECT_PTR): New. * omp-offload.cc (offload_ind_funcs): New. (omp_discover_implicit_declare_target): Add functions marked with 'omp declare target indirect' to indirect functions list. (omp_finish_file): Add indirect functions to section for offload indirect functions. (execute_omp_device_lower): Redirect indirect calls on target by passing function pointer to BUILT_IN_GOMP_TARGET_MAP_INDIRECT_PTR. (pass_omp_device_lower::gate): Run pass_omp_device_lower if indirect functions are present on an accelerator device. * omp-offload.h (offload_ind_funcs): New. * tree-core.h (omp_clause_code): Add OMP_CLAUSE_INDIRECT. * tree.cc (omp_clause_num_ops): Add entry for OMP_CLAUSE_INDIRECT. (omp_clause_code_name): Likewise. * tree.h (OMP_CLAUSE_INDIRECT_EXPR): New. * config/gcn/mkoffload.cc (process_asm): Process offload_ind_funcs section. Count number of indirect functions. (process_obj): Emit number of indirect functions. * config/nvptx/mkoffload.cc (ind_func_ids, ind_funcs_tail): New. (process): Emit offload_ind_func_table in PTX code. Emit indirect function names and count in image. * config/nvptx/nvptx.cc (nvptx_record_offload_symbol): Mark indirect functions in PTX code with IND_FUNC_MAP. gcc/testsuite/ * c-c++-common/gomp/declare-target-7.c: Update expected error message. * c-c++-common/gomp/declare-target-indirect-1.c: New. * c-c++-common/gomp/declare-target-indirect-2.c: New. * g++.dg/gomp/attrs-21.C (v12): Update expected error message. * g++.dg/gomp/declare-target-indirect-1.C: New. * gcc.dg/gomp/attrs-21.c (v12): Update expected error message. include/ * gomp-constants.h (GOMP_VERSION): Increment to 3. (GOMP_VERSION_SUPPORTS_INDIRECT_FUNCS): New. libgcc/ * offloadstuff.c (OFFLOAD_IND_FUNC_TABLE_SECTION_NAME): New. (__offload_ind_func_table): New. (__offload_ind_funcs_end): New. (__OFFLOAD_TABLE__): Add entries for indirect functions. libgomp/ * Makefile.am (libgomp_la_SOURCES): Add target-indirect.c. * Makefile.in: Regenerate. * libgomp-plugin.h (GOMP_INDIRECT_ADDR_MAP): New define. (GOMP_OFFLOAD_load_image): Add extra argument. * libgomp.h (struct indirect_splay_tree_key_s): New. (indirect_splay_tree_node, indirect_splay_tree, indirect_splay_tree_key): New. (indirect_splay_compare): New. * libgomp.map (GOMP_5.1.1): Add GOMP_target_map_indirect_ptr. * libgomp.texi (OpenMP 5.1): Update documentation on indirect calls in target region and on indirect clause. (Other new OpenMP 5.2 features): Add entry for virtual function calls. * libgomp_g.h (GOMP_target_map_indirect_ptr): Add prototype. * oacc-host.c (host_load_image): Add extra argument. * target.c (gomp_load_image_to_device): If the GOMP_VERSION is high enough, read host indirect functions table and pass to load_image_func. * config/accel/target-indirect.c: New. * config/linux/target-indirect.c: New. * config/gcn/team.c (build_indirect_map): Add prototype. (gomp_gcn_enter_kernel): Initialize support for indirect function calls on GCN target. * config/nvptx/team.c (build_indirect_map): Add prototype. (gomp_nvptx_main): Initialize support for indirect function calls on NVPTX target. * plugin/plugin-gcn.c (struct gcn_image_desc): Add field for indirect functions count. (GOMP_OFFLOAD_load_image): Add extra argument. If the GOMP_VERSION is high enough, build address translation table and copy it to target memory. * plugin/plugin-nvptx.c (nvptx_tdata): Add field for indirect functions count. (GOMP_OFFLOAD_load_image): Add extra argument. If the GOMP_VERSION is high enough, Build address translation table and copy it to target memory. * testsuite/libgomp.c-c++-common/declare-target-indirect-1.c: New. * testsuite/libgomp.c-c++-common/declare-target-indirect-2.c: New. * testsuite/libgomp.c++/declare-target-indirect-1.C: New.
2023-11-07 15:18:29 +00:00
const void *const __offload_ind_func_table[0]
__attribute__ ((__used__, visibility ("hidden"),
section (OFFLOAD_IND_FUNC_TABLE_SECTION_NAME))) = { };
[PATCH 1/7] OpenMP 4.0 offloading infrastructure: configure and make * configure: Regenerate. * configure.ac (--enable-as-accelerator-for) (--enable-offload-targets): New configure options. gcc/ * Makefile.in (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): New variables substituted by configure. (libsubdir, libexecsubdir, unlibsubdir): Tweak for the possibility of being configured as an offload compiler. (DRIVER_DEFINES): Pass new defines DEFAULT_REAL_TARGET_MACHINE and ACCEL_DIR_SUFFIX. (install-cpp, install-common, install_driver, install-gcc-ar): Do not install for the offload compiler. * config.in: Regenerate. * configure: Regenerate. * configure.ac (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): Compute new variables. (ACCEL_COMPILER): Define if the compiler is built as the accel compiler. (OFFLOAD_TARGETS): List of target names suitable for offloading. (ENABLE_OFFLOADING): Define if list of offload targets is not empty. gcc/cp/ * Make-lang.in (c++.install-common): Do not install for the offload compiler. gcc/doc/ * install.texi (Options specification): Document --enable-as-accelerator-for and --enable-offload-targets. gcc/fortran/ * Make-lang.in (fortran.install-common): Do not install for the offload compiler. libgcc/ * Makefile.in (crtoffloadbegin$(objext)): New rule. (crtoffloadend$(objext)): Likewise. * configure: Regenerate. * configure.ac (accel_dir_suffix): Compute new variable. (extra_parts): Add crtoffloadbegin.o and crtoffloadend.o if enable_offload_targets is not empty. * offloadstuff.c: New file. libgomp/ * config.h.in: Regenerate. * configure: Regenerate. * configure.ac: Check for libdl, required for plugin support. (PLUGIN_SUPPORT): Define if plugins are supported. (enable_offload_targets): Support Intel MIC targets. (OFFLOAD_TARGETS): List of target names suitable for offloading. lto-plugin/ * Makefile.am (libexecsubdir): Tweak for the possibility of being configured for offload compiler. (accel_dir_suffix, real_target_noncanonical): New variables substituted by configure. * Makefile.in: Regenerate. * configure: Regenerate. * configure.ac (accel_dir_suffix, real_target_noncanonical): Compute new variables. Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com> Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com> Co-Authored-By: Thomas Schwinge <thomas@codesourcery.com> From-SVN: r217485
2014-11-13 13:28:56 +00:00
#elif defined CRT_END
mkoffload.c (process): Constify host data. gcc/ * config/nvptx/mkoffload.c (process): Constify host data. * config/i386/intelmic-mkoffload.c (generate_target_descr_file): Constify host data. (generate_host_descr_file): Likewise. libgomp/ * target.c (struct_offload_image_descr): Constify host_table. (gomp_offload_image_to_device): Likewise. (GOMP_offload_register, GOMP_offload_unregister): Likewise. libgcc/ * offloadstuff.c: Constify host data. From-SVN: r225943
2015-07-17 17:12:01 +00:00
const void *const __offload_funcs_end[0]
[PATCH 1/7] OpenMP 4.0 offloading infrastructure: configure and make * configure: Regenerate. * configure.ac (--enable-as-accelerator-for) (--enable-offload-targets): New configure options. gcc/ * Makefile.in (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): New variables substituted by configure. (libsubdir, libexecsubdir, unlibsubdir): Tweak for the possibility of being configured as an offload compiler. (DRIVER_DEFINES): Pass new defines DEFAULT_REAL_TARGET_MACHINE and ACCEL_DIR_SUFFIX. (install-cpp, install-common, install_driver, install-gcc-ar): Do not install for the offload compiler. * config.in: Regenerate. * configure: Regenerate. * configure.ac (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): Compute new variables. (ACCEL_COMPILER): Define if the compiler is built as the accel compiler. (OFFLOAD_TARGETS): List of target names suitable for offloading. (ENABLE_OFFLOADING): Define if list of offload targets is not empty. gcc/cp/ * Make-lang.in (c++.install-common): Do not install for the offload compiler. gcc/doc/ * install.texi (Options specification): Document --enable-as-accelerator-for and --enable-offload-targets. gcc/fortran/ * Make-lang.in (fortran.install-common): Do not install for the offload compiler. libgcc/ * Makefile.in (crtoffloadbegin$(objext)): New rule. (crtoffloadend$(objext)): Likewise. * configure: Regenerate. * configure.ac (accel_dir_suffix): Compute new variable. (extra_parts): Add crtoffloadbegin.o and crtoffloadend.o if enable_offload_targets is not empty. * offloadstuff.c: New file. libgomp/ * config.h.in: Regenerate. * configure: Regenerate. * configure.ac: Check for libdl, required for plugin support. (PLUGIN_SUPPORT): Define if plugins are supported. (enable_offload_targets): Support Intel MIC targets. (OFFLOAD_TARGETS): List of target names suitable for offloading. lto-plugin/ * Makefile.am (libexecsubdir): Tweak for the possibility of being configured for offload compiler. (accel_dir_suffix, real_target_noncanonical): New variables substituted by configure. * Makefile.in: Regenerate. * configure: Regenerate. * configure.ac (accel_dir_suffix, real_target_noncanonical): Compute new variables. Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com> Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com> Co-Authored-By: Thomas Schwinge <thomas@codesourcery.com> From-SVN: r217485
2014-11-13 13:28:56 +00:00
__attribute__ ((__used__, visibility ("hidden"),
section (OFFLOAD_FUNC_TABLE_SECTION_NAME))) = { };
mkoffload.c (process): Constify host data. gcc/ * config/nvptx/mkoffload.c (process): Constify host data. * config/i386/intelmic-mkoffload.c (generate_target_descr_file): Constify host data. (generate_host_descr_file): Likewise. libgomp/ * target.c (struct_offload_image_descr): Constify host_table. (gomp_offload_image_to_device): Likewise. (GOMP_offload_register, GOMP_offload_unregister): Likewise. libgcc/ * offloadstuff.c: Constify host data. From-SVN: r225943
2015-07-17 17:12:01 +00:00
const void *const __offload_vars_end[0]
[PATCH 1/7] OpenMP 4.0 offloading infrastructure: configure and make * configure: Regenerate. * configure.ac (--enable-as-accelerator-for) (--enable-offload-targets): New configure options. gcc/ * Makefile.in (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): New variables substituted by configure. (libsubdir, libexecsubdir, unlibsubdir): Tweak for the possibility of being configured as an offload compiler. (DRIVER_DEFINES): Pass new defines DEFAULT_REAL_TARGET_MACHINE and ACCEL_DIR_SUFFIX. (install-cpp, install-common, install_driver, install-gcc-ar): Do not install for the offload compiler. * config.in: Regenerate. * configure: Regenerate. * configure.ac (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): Compute new variables. (ACCEL_COMPILER): Define if the compiler is built as the accel compiler. (OFFLOAD_TARGETS): List of target names suitable for offloading. (ENABLE_OFFLOADING): Define if list of offload targets is not empty. gcc/cp/ * Make-lang.in (c++.install-common): Do not install for the offload compiler. gcc/doc/ * install.texi (Options specification): Document --enable-as-accelerator-for and --enable-offload-targets. gcc/fortran/ * Make-lang.in (fortran.install-common): Do not install for the offload compiler. libgcc/ * Makefile.in (crtoffloadbegin$(objext)): New rule. (crtoffloadend$(objext)): Likewise. * configure: Regenerate. * configure.ac (accel_dir_suffix): Compute new variable. (extra_parts): Add crtoffloadbegin.o and crtoffloadend.o if enable_offload_targets is not empty. * offloadstuff.c: New file. libgomp/ * config.h.in: Regenerate. * configure: Regenerate. * configure.ac: Check for libdl, required for plugin support. (PLUGIN_SUPPORT): Define if plugins are supported. (enable_offload_targets): Support Intel MIC targets. (OFFLOAD_TARGETS): List of target names suitable for offloading. lto-plugin/ * Makefile.am (libexecsubdir): Tweak for the possibility of being configured for offload compiler. (accel_dir_suffix, real_target_noncanonical): New variables substituted by configure. * Makefile.in: Regenerate. * configure: Regenerate. * configure.ac (accel_dir_suffix, real_target_noncanonical): Compute new variables. Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com> Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com> Co-Authored-By: Thomas Schwinge <thomas@codesourcery.com> From-SVN: r217485
2014-11-13 13:28:56 +00:00
__attribute__ ((__used__, visibility ("hidden"),
section (OFFLOAD_VAR_TABLE_SECTION_NAME))) = { };
openmp: Add support for the 'indirect' clause in C/C++ This adds support for the 'indirect' clause in the 'declare target' directive. Functions declared as indirect may be called via function pointers passed from the host in offloaded code. Virtual calls to member functions via the object pointer in C++ are currently not supported in target regions. 2023-11-07 Kwok Cheung Yeung <kcy@codesourcery.com> gcc/c-family/ * c-attribs.cc (c_common_attribute_table): Add attribute for indirect functions. * c-pragma.h (enum parma_omp_clause): Add entry for indirect clause. gcc/c/ * c-decl.cc (c_decl_attributes): Add attribute for indirect functions. * c-lang.h (c_omp_declare_target_attr): Add indirect field. * c-parser.cc (c_parser_omp_clause_name): Handle indirect clause. (c_parser_omp_clause_indirect): New. (c_parser_omp_all_clauses): Handle indirect clause. (OMP_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (c_parser_omp_declare_target): Handle indirect clause. Emit error message if device_type or indirect clauses used alone. Emit error if indirect clause used with device_type that is not 'any'. (OMP_BEGIN_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (c_parser_omp_begin): Handle indirect clause. * c-typeck.cc (c_finish_omp_clauses): Handle indirect clause. gcc/cp/ * cp-tree.h (cp_omp_declare_target_attr): Add indirect field. * decl2.cc (cplus_decl_attributes): Add attribute for indirect functions. * parser.cc (cp_parser_omp_clause_name): Handle indirect clause. (cp_parser_omp_clause_indirect): New. (cp_parser_omp_all_clauses): Handle indirect clause. (handle_omp_declare_target_clause): Add extra parameter. Add indirect attribute for indirect functions. (OMP_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (cp_parser_omp_declare_target): Handle indirect clause. Emit error message if device_type or indirect clauses used alone. Emit error if indirect clause used with device_type that is not 'any'. (OMP_BEGIN_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (cp_parser_omp_begin): Handle indirect clause. * semantics.cc (finish_omp_clauses): Handle indirect clause. gcc/ * lto-cgraph.cc (enum LTO_symtab_tags): Add tag for indirect functions. (output_offload_tables): Write indirect functions. (input_offload_tables): read indirect functions. * lto-section-names.h (OFFLOAD_IND_FUNC_TABLE_SECTION_NAME): New. * omp-builtins.def (BUILT_IN_GOMP_TARGET_MAP_INDIRECT_PTR): New. * omp-offload.cc (offload_ind_funcs): New. (omp_discover_implicit_declare_target): Add functions marked with 'omp declare target indirect' to indirect functions list. (omp_finish_file): Add indirect functions to section for offload indirect functions. (execute_omp_device_lower): Redirect indirect calls on target by passing function pointer to BUILT_IN_GOMP_TARGET_MAP_INDIRECT_PTR. (pass_omp_device_lower::gate): Run pass_omp_device_lower if indirect functions are present on an accelerator device. * omp-offload.h (offload_ind_funcs): New. * tree-core.h (omp_clause_code): Add OMP_CLAUSE_INDIRECT. * tree.cc (omp_clause_num_ops): Add entry for OMP_CLAUSE_INDIRECT. (omp_clause_code_name): Likewise. * tree.h (OMP_CLAUSE_INDIRECT_EXPR): New. * config/gcn/mkoffload.cc (process_asm): Process offload_ind_funcs section. Count number of indirect functions. (process_obj): Emit number of indirect functions. * config/nvptx/mkoffload.cc (ind_func_ids, ind_funcs_tail): New. (process): Emit offload_ind_func_table in PTX code. Emit indirect function names and count in image. * config/nvptx/nvptx.cc (nvptx_record_offload_symbol): Mark indirect functions in PTX code with IND_FUNC_MAP. gcc/testsuite/ * c-c++-common/gomp/declare-target-7.c: Update expected error message. * c-c++-common/gomp/declare-target-indirect-1.c: New. * c-c++-common/gomp/declare-target-indirect-2.c: New. * g++.dg/gomp/attrs-21.C (v12): Update expected error message. * g++.dg/gomp/declare-target-indirect-1.C: New. * gcc.dg/gomp/attrs-21.c (v12): Update expected error message. include/ * gomp-constants.h (GOMP_VERSION): Increment to 3. (GOMP_VERSION_SUPPORTS_INDIRECT_FUNCS): New. libgcc/ * offloadstuff.c (OFFLOAD_IND_FUNC_TABLE_SECTION_NAME): New. (__offload_ind_func_table): New. (__offload_ind_funcs_end): New. (__OFFLOAD_TABLE__): Add entries for indirect functions. libgomp/ * Makefile.am (libgomp_la_SOURCES): Add target-indirect.c. * Makefile.in: Regenerate. * libgomp-plugin.h (GOMP_INDIRECT_ADDR_MAP): New define. (GOMP_OFFLOAD_load_image): Add extra argument. * libgomp.h (struct indirect_splay_tree_key_s): New. (indirect_splay_tree_node, indirect_splay_tree, indirect_splay_tree_key): New. (indirect_splay_compare): New. * libgomp.map (GOMP_5.1.1): Add GOMP_target_map_indirect_ptr. * libgomp.texi (OpenMP 5.1): Update documentation on indirect calls in target region and on indirect clause. (Other new OpenMP 5.2 features): Add entry for virtual function calls. * libgomp_g.h (GOMP_target_map_indirect_ptr): Add prototype. * oacc-host.c (host_load_image): Add extra argument. * target.c (gomp_load_image_to_device): If the GOMP_VERSION is high enough, read host indirect functions table and pass to load_image_func. * config/accel/target-indirect.c: New. * config/linux/target-indirect.c: New. * config/gcn/team.c (build_indirect_map): Add prototype. (gomp_gcn_enter_kernel): Initialize support for indirect function calls on GCN target. * config/nvptx/team.c (build_indirect_map): Add prototype. (gomp_nvptx_main): Initialize support for indirect function calls on NVPTX target. * plugin/plugin-gcn.c (struct gcn_image_desc): Add field for indirect functions count. (GOMP_OFFLOAD_load_image): Add extra argument. If the GOMP_VERSION is high enough, build address translation table and copy it to target memory. * plugin/plugin-nvptx.c (nvptx_tdata): Add field for indirect functions count. (GOMP_OFFLOAD_load_image): Add extra argument. If the GOMP_VERSION is high enough, Build address translation table and copy it to target memory. * testsuite/libgomp.c-c++-common/declare-target-indirect-1.c: New. * testsuite/libgomp.c-c++-common/declare-target-indirect-2.c: New. * testsuite/libgomp.c++/declare-target-indirect-1.C: New.
2023-11-07 15:18:29 +00:00
const void *const __offload_ind_funcs_end[0]
__attribute__ ((__used__, visibility ("hidden"),
section (OFFLOAD_IND_FUNC_TABLE_SECTION_NAME))) = { };
[PATCH 1/7] OpenMP 4.0 offloading infrastructure: configure and make * configure: Regenerate. * configure.ac (--enable-as-accelerator-for) (--enable-offload-targets): New configure options. gcc/ * Makefile.in (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): New variables substituted by configure. (libsubdir, libexecsubdir, unlibsubdir): Tweak for the possibility of being configured as an offload compiler. (DRIVER_DEFINES): Pass new defines DEFAULT_REAL_TARGET_MACHINE and ACCEL_DIR_SUFFIX. (install-cpp, install-common, install_driver, install-gcc-ar): Do not install for the offload compiler. * config.in: Regenerate. * configure: Regenerate. * configure.ac (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): Compute new variables. (ACCEL_COMPILER): Define if the compiler is built as the accel compiler. (OFFLOAD_TARGETS): List of target names suitable for offloading. (ENABLE_OFFLOADING): Define if list of offload targets is not empty. gcc/cp/ * Make-lang.in (c++.install-common): Do not install for the offload compiler. gcc/doc/ * install.texi (Options specification): Document --enable-as-accelerator-for and --enable-offload-targets. gcc/fortran/ * Make-lang.in (fortran.install-common): Do not install for the offload compiler. libgcc/ * Makefile.in (crtoffloadbegin$(objext)): New rule. (crtoffloadend$(objext)): Likewise. * configure: Regenerate. * configure.ac (accel_dir_suffix): Compute new variable. (extra_parts): Add crtoffloadbegin.o and crtoffloadend.o if enable_offload_targets is not empty. * offloadstuff.c: New file. libgomp/ * config.h.in: Regenerate. * configure: Regenerate. * configure.ac: Check for libdl, required for plugin support. (PLUGIN_SUPPORT): Define if plugins are supported. (enable_offload_targets): Support Intel MIC targets. (OFFLOAD_TARGETS): List of target names suitable for offloading. lto-plugin/ * Makefile.am (libexecsubdir): Tweak for the possibility of being configured for offload compiler. (accel_dir_suffix, real_target_noncanonical): New variables substituted by configure. * Makefile.in: Regenerate. * configure: Regenerate. * configure.ac (accel_dir_suffix, real_target_noncanonical): Compute new variables. Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com> Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com> Co-Authored-By: Thomas Schwinge <thomas@codesourcery.com> From-SVN: r217485
2014-11-13 13:28:56 +00:00
re PR driver/68463 (Offloading fails when some objects are compiled with LTO and some without) gcc/ PR driver/68463 * config/gnu-user.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o if offloading is enabled and -fopenacc or -fopenmp is specified. (CRTOFFLOADEND): Likewise. (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN. (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND. * lto-wrapper.c (offloadbegin, offloadend): Remove static vars. (offload_objects_file_name): New static var. (tool_cleanup): Remove offload_objects_file_name file. (find_offloadbeginend): Replace with ... (find_crtoffloadtable): ... this. (run_gcc): Remove offload_argc and offload_argv. Get offload_objects_file_name from -foffload-objects=... option. Read names of object files with offload from this file, pass them to compile_images_for_offload_targets. Don't call find_offloadbeginend and don't pass offloadbegin and offloadend to the linker. Don't pass offload non-LTO files to the linker, because now they're not claimed. libgcc/ PR driver/68463 * Makefile.in (crtoffloadtable$(objext)): New rule. * configure.ac (extra_parts): Add crtoffloadtable$(objext) if enable_offload_targets is not empty. * configure: Regenerate. * offloadstuff.c: Move __OFFLOAD_TABLE__ from crtoffloadend to crtoffloadtable. libgomp/ PR driver/68463 * testsuite/libgomp.oacc-c-c++-common/parallel-dims-2.c: Remove. lto-plugin/ PR driver/68463 * lto-plugin.c (struct plugin_offload_file): New. (offload_files): Change type. (offload_files_last, offload_files_last_obj): New. (offload_files_last_lto): New. (free_2): Adjust accordingly. (all_symbols_read_handler): Don't add offload files to lto_arg_ptr. Don't call free_1 for offload_files. Write names of object files with offloading to the temporary file. Add new option to lto_arg_ptr. (claim_file_handler): Don't claim file if it contains offload sections without LTO sections. If it contains offload sections, add to the list. From-SVN: r233712
2016-02-25 12:23:52 +00:00
#elif defined CRT_TABLE
mkoffload.c (process): Constify host data. gcc/ * config/nvptx/mkoffload.c (process): Constify host data. * config/i386/intelmic-mkoffload.c (generate_target_descr_file): Constify host data. (generate_host_descr_file): Likewise. libgomp/ * target.c (struct_offload_image_descr): Constify host_table. (gomp_offload_image_to_device): Likewise. (GOMP_offload_register, GOMP_offload_unregister): Likewise. libgcc/ * offloadstuff.c: Constify host data. From-SVN: r225943
2015-07-17 17:12:01 +00:00
extern const void *const __offload_func_table[];
extern const void *const __offload_var_table[];
openmp: Add support for the 'indirect' clause in C/C++ This adds support for the 'indirect' clause in the 'declare target' directive. Functions declared as indirect may be called via function pointers passed from the host in offloaded code. Virtual calls to member functions via the object pointer in C++ are currently not supported in target regions. 2023-11-07 Kwok Cheung Yeung <kcy@codesourcery.com> gcc/c-family/ * c-attribs.cc (c_common_attribute_table): Add attribute for indirect functions. * c-pragma.h (enum parma_omp_clause): Add entry for indirect clause. gcc/c/ * c-decl.cc (c_decl_attributes): Add attribute for indirect functions. * c-lang.h (c_omp_declare_target_attr): Add indirect field. * c-parser.cc (c_parser_omp_clause_name): Handle indirect clause. (c_parser_omp_clause_indirect): New. (c_parser_omp_all_clauses): Handle indirect clause. (OMP_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (c_parser_omp_declare_target): Handle indirect clause. Emit error message if device_type or indirect clauses used alone. Emit error if indirect clause used with device_type that is not 'any'. (OMP_BEGIN_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (c_parser_omp_begin): Handle indirect clause. * c-typeck.cc (c_finish_omp_clauses): Handle indirect clause. gcc/cp/ * cp-tree.h (cp_omp_declare_target_attr): Add indirect field. * decl2.cc (cplus_decl_attributes): Add attribute for indirect functions. * parser.cc (cp_parser_omp_clause_name): Handle indirect clause. (cp_parser_omp_clause_indirect): New. (cp_parser_omp_all_clauses): Handle indirect clause. (handle_omp_declare_target_clause): Add extra parameter. Add indirect attribute for indirect functions. (OMP_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (cp_parser_omp_declare_target): Handle indirect clause. Emit error message if device_type or indirect clauses used alone. Emit error if indirect clause used with device_type that is not 'any'. (OMP_BEGIN_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (cp_parser_omp_begin): Handle indirect clause. * semantics.cc (finish_omp_clauses): Handle indirect clause. gcc/ * lto-cgraph.cc (enum LTO_symtab_tags): Add tag for indirect functions. (output_offload_tables): Write indirect functions. (input_offload_tables): read indirect functions. * lto-section-names.h (OFFLOAD_IND_FUNC_TABLE_SECTION_NAME): New. * omp-builtins.def (BUILT_IN_GOMP_TARGET_MAP_INDIRECT_PTR): New. * omp-offload.cc (offload_ind_funcs): New. (omp_discover_implicit_declare_target): Add functions marked with 'omp declare target indirect' to indirect functions list. (omp_finish_file): Add indirect functions to section for offload indirect functions. (execute_omp_device_lower): Redirect indirect calls on target by passing function pointer to BUILT_IN_GOMP_TARGET_MAP_INDIRECT_PTR. (pass_omp_device_lower::gate): Run pass_omp_device_lower if indirect functions are present on an accelerator device. * omp-offload.h (offload_ind_funcs): New. * tree-core.h (omp_clause_code): Add OMP_CLAUSE_INDIRECT. * tree.cc (omp_clause_num_ops): Add entry for OMP_CLAUSE_INDIRECT. (omp_clause_code_name): Likewise. * tree.h (OMP_CLAUSE_INDIRECT_EXPR): New. * config/gcn/mkoffload.cc (process_asm): Process offload_ind_funcs section. Count number of indirect functions. (process_obj): Emit number of indirect functions. * config/nvptx/mkoffload.cc (ind_func_ids, ind_funcs_tail): New. (process): Emit offload_ind_func_table in PTX code. Emit indirect function names and count in image. * config/nvptx/nvptx.cc (nvptx_record_offload_symbol): Mark indirect functions in PTX code with IND_FUNC_MAP. gcc/testsuite/ * c-c++-common/gomp/declare-target-7.c: Update expected error message. * c-c++-common/gomp/declare-target-indirect-1.c: New. * c-c++-common/gomp/declare-target-indirect-2.c: New. * g++.dg/gomp/attrs-21.C (v12): Update expected error message. * g++.dg/gomp/declare-target-indirect-1.C: New. * gcc.dg/gomp/attrs-21.c (v12): Update expected error message. include/ * gomp-constants.h (GOMP_VERSION): Increment to 3. (GOMP_VERSION_SUPPORTS_INDIRECT_FUNCS): New. libgcc/ * offloadstuff.c (OFFLOAD_IND_FUNC_TABLE_SECTION_NAME): New. (__offload_ind_func_table): New. (__offload_ind_funcs_end): New. (__OFFLOAD_TABLE__): Add entries for indirect functions. libgomp/ * Makefile.am (libgomp_la_SOURCES): Add target-indirect.c. * Makefile.in: Regenerate. * libgomp-plugin.h (GOMP_INDIRECT_ADDR_MAP): New define. (GOMP_OFFLOAD_load_image): Add extra argument. * libgomp.h (struct indirect_splay_tree_key_s): New. (indirect_splay_tree_node, indirect_splay_tree, indirect_splay_tree_key): New. (indirect_splay_compare): New. * libgomp.map (GOMP_5.1.1): Add GOMP_target_map_indirect_ptr. * libgomp.texi (OpenMP 5.1): Update documentation on indirect calls in target region and on indirect clause. (Other new OpenMP 5.2 features): Add entry for virtual function calls. * libgomp_g.h (GOMP_target_map_indirect_ptr): Add prototype. * oacc-host.c (host_load_image): Add extra argument. * target.c (gomp_load_image_to_device): If the GOMP_VERSION is high enough, read host indirect functions table and pass to load_image_func. * config/accel/target-indirect.c: New. * config/linux/target-indirect.c: New. * config/gcn/team.c (build_indirect_map): Add prototype. (gomp_gcn_enter_kernel): Initialize support for indirect function calls on GCN target. * config/nvptx/team.c (build_indirect_map): Add prototype. (gomp_nvptx_main): Initialize support for indirect function calls on NVPTX target. * plugin/plugin-gcn.c (struct gcn_image_desc): Add field for indirect functions count. (GOMP_OFFLOAD_load_image): Add extra argument. If the GOMP_VERSION is high enough, build address translation table and copy it to target memory. * plugin/plugin-nvptx.c (nvptx_tdata): Add field for indirect functions count. (GOMP_OFFLOAD_load_image): Add extra argument. If the GOMP_VERSION is high enough, Build address translation table and copy it to target memory. * testsuite/libgomp.c-c++-common/declare-target-indirect-1.c: New. * testsuite/libgomp.c-c++-common/declare-target-indirect-2.c: New. * testsuite/libgomp.c++/declare-target-indirect-1.C: New.
2023-11-07 15:18:29 +00:00
extern const void *const __offload_ind_func_table[];
re PR driver/68463 (Offloading fails when some objects are compiled with LTO and some without) gcc/ PR driver/68463 * config/gnu-user.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o if offloading is enabled and -fopenacc or -fopenmp is specified. (CRTOFFLOADEND): Likewise. (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN. (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND. * lto-wrapper.c (offloadbegin, offloadend): Remove static vars. (offload_objects_file_name): New static var. (tool_cleanup): Remove offload_objects_file_name file. (find_offloadbeginend): Replace with ... (find_crtoffloadtable): ... this. (run_gcc): Remove offload_argc and offload_argv. Get offload_objects_file_name from -foffload-objects=... option. Read names of object files with offload from this file, pass them to compile_images_for_offload_targets. Don't call find_offloadbeginend and don't pass offloadbegin and offloadend to the linker. Don't pass offload non-LTO files to the linker, because now they're not claimed. libgcc/ PR driver/68463 * Makefile.in (crtoffloadtable$(objext)): New rule. * configure.ac (extra_parts): Add crtoffloadtable$(objext) if enable_offload_targets is not empty. * configure: Regenerate. * offloadstuff.c: Move __OFFLOAD_TABLE__ from crtoffloadend to crtoffloadtable. libgomp/ PR driver/68463 * testsuite/libgomp.oacc-c-c++-common/parallel-dims-2.c: Remove. lto-plugin/ PR driver/68463 * lto-plugin.c (struct plugin_offload_file): New. (offload_files): Change type. (offload_files_last, offload_files_last_obj): New. (offload_files_last_lto): New. (free_2): Adjust accordingly. (all_symbols_read_handler): Don't add offload files to lto_arg_ptr. Don't call free_1 for offload_files. Write names of object files with offloading to the temporary file. Add new option to lto_arg_ptr. (claim_file_handler): Don't claim file if it contains offload sections without LTO sections. If it contains offload sections, add to the list. From-SVN: r233712
2016-02-25 12:23:52 +00:00
extern const void *const __offload_funcs_end[];
extern const void *const __offload_vars_end[];
openmp: Add support for the 'indirect' clause in C/C++ This adds support for the 'indirect' clause in the 'declare target' directive. Functions declared as indirect may be called via function pointers passed from the host in offloaded code. Virtual calls to member functions via the object pointer in C++ are currently not supported in target regions. 2023-11-07 Kwok Cheung Yeung <kcy@codesourcery.com> gcc/c-family/ * c-attribs.cc (c_common_attribute_table): Add attribute for indirect functions. * c-pragma.h (enum parma_omp_clause): Add entry for indirect clause. gcc/c/ * c-decl.cc (c_decl_attributes): Add attribute for indirect functions. * c-lang.h (c_omp_declare_target_attr): Add indirect field. * c-parser.cc (c_parser_omp_clause_name): Handle indirect clause. (c_parser_omp_clause_indirect): New. (c_parser_omp_all_clauses): Handle indirect clause. (OMP_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (c_parser_omp_declare_target): Handle indirect clause. Emit error message if device_type or indirect clauses used alone. Emit error if indirect clause used with device_type that is not 'any'. (OMP_BEGIN_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (c_parser_omp_begin): Handle indirect clause. * c-typeck.cc (c_finish_omp_clauses): Handle indirect clause. gcc/cp/ * cp-tree.h (cp_omp_declare_target_attr): Add indirect field. * decl2.cc (cplus_decl_attributes): Add attribute for indirect functions. * parser.cc (cp_parser_omp_clause_name): Handle indirect clause. (cp_parser_omp_clause_indirect): New. (cp_parser_omp_all_clauses): Handle indirect clause. (handle_omp_declare_target_clause): Add extra parameter. Add indirect attribute for indirect functions. (OMP_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (cp_parser_omp_declare_target): Handle indirect clause. Emit error message if device_type or indirect clauses used alone. Emit error if indirect clause used with device_type that is not 'any'. (OMP_BEGIN_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (cp_parser_omp_begin): Handle indirect clause. * semantics.cc (finish_omp_clauses): Handle indirect clause. gcc/ * lto-cgraph.cc (enum LTO_symtab_tags): Add tag for indirect functions. (output_offload_tables): Write indirect functions. (input_offload_tables): read indirect functions. * lto-section-names.h (OFFLOAD_IND_FUNC_TABLE_SECTION_NAME): New. * omp-builtins.def (BUILT_IN_GOMP_TARGET_MAP_INDIRECT_PTR): New. * omp-offload.cc (offload_ind_funcs): New. (omp_discover_implicit_declare_target): Add functions marked with 'omp declare target indirect' to indirect functions list. (omp_finish_file): Add indirect functions to section for offload indirect functions. (execute_omp_device_lower): Redirect indirect calls on target by passing function pointer to BUILT_IN_GOMP_TARGET_MAP_INDIRECT_PTR. (pass_omp_device_lower::gate): Run pass_omp_device_lower if indirect functions are present on an accelerator device. * omp-offload.h (offload_ind_funcs): New. * tree-core.h (omp_clause_code): Add OMP_CLAUSE_INDIRECT. * tree.cc (omp_clause_num_ops): Add entry for OMP_CLAUSE_INDIRECT. (omp_clause_code_name): Likewise. * tree.h (OMP_CLAUSE_INDIRECT_EXPR): New. * config/gcn/mkoffload.cc (process_asm): Process offload_ind_funcs section. Count number of indirect functions. (process_obj): Emit number of indirect functions. * config/nvptx/mkoffload.cc (ind_func_ids, ind_funcs_tail): New. (process): Emit offload_ind_func_table in PTX code. Emit indirect function names and count in image. * config/nvptx/nvptx.cc (nvptx_record_offload_symbol): Mark indirect functions in PTX code with IND_FUNC_MAP. gcc/testsuite/ * c-c++-common/gomp/declare-target-7.c: Update expected error message. * c-c++-common/gomp/declare-target-indirect-1.c: New. * c-c++-common/gomp/declare-target-indirect-2.c: New. * g++.dg/gomp/attrs-21.C (v12): Update expected error message. * g++.dg/gomp/declare-target-indirect-1.C: New. * gcc.dg/gomp/attrs-21.c (v12): Update expected error message. include/ * gomp-constants.h (GOMP_VERSION): Increment to 3. (GOMP_VERSION_SUPPORTS_INDIRECT_FUNCS): New. libgcc/ * offloadstuff.c (OFFLOAD_IND_FUNC_TABLE_SECTION_NAME): New. (__offload_ind_func_table): New. (__offload_ind_funcs_end): New. (__OFFLOAD_TABLE__): Add entries for indirect functions. libgomp/ * Makefile.am (libgomp_la_SOURCES): Add target-indirect.c. * Makefile.in: Regenerate. * libgomp-plugin.h (GOMP_INDIRECT_ADDR_MAP): New define. (GOMP_OFFLOAD_load_image): Add extra argument. * libgomp.h (struct indirect_splay_tree_key_s): New. (indirect_splay_tree_node, indirect_splay_tree, indirect_splay_tree_key): New. (indirect_splay_compare): New. * libgomp.map (GOMP_5.1.1): Add GOMP_target_map_indirect_ptr. * libgomp.texi (OpenMP 5.1): Update documentation on indirect calls in target region and on indirect clause. (Other new OpenMP 5.2 features): Add entry for virtual function calls. * libgomp_g.h (GOMP_target_map_indirect_ptr): Add prototype. * oacc-host.c (host_load_image): Add extra argument. * target.c (gomp_load_image_to_device): If the GOMP_VERSION is high enough, read host indirect functions table and pass to load_image_func. * config/accel/target-indirect.c: New. * config/linux/target-indirect.c: New. * config/gcn/team.c (build_indirect_map): Add prototype. (gomp_gcn_enter_kernel): Initialize support for indirect function calls on GCN target. * config/nvptx/team.c (build_indirect_map): Add prototype. (gomp_nvptx_main): Initialize support for indirect function calls on NVPTX target. * plugin/plugin-gcn.c (struct gcn_image_desc): Add field for indirect functions count. (GOMP_OFFLOAD_load_image): Add extra argument. If the GOMP_VERSION is high enough, build address translation table and copy it to target memory. * plugin/plugin-nvptx.c (nvptx_tdata): Add field for indirect functions count. (GOMP_OFFLOAD_load_image): Add extra argument. If the GOMP_VERSION is high enough, Build address translation table and copy it to target memory. * testsuite/libgomp.c-c++-common/declare-target-indirect-1.c: New. * testsuite/libgomp.c-c++-common/declare-target-indirect-2.c: New. * testsuite/libgomp.c++/declare-target-indirect-1.C: New.
2023-11-07 15:18:29 +00:00
extern const void *const __offload_ind_funcs_end[];
[PATCH 1/7] OpenMP 4.0 offloading infrastructure: configure and make * configure: Regenerate. * configure.ac (--enable-as-accelerator-for) (--enable-offload-targets): New configure options. gcc/ * Makefile.in (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): New variables substituted by configure. (libsubdir, libexecsubdir, unlibsubdir): Tweak for the possibility of being configured as an offload compiler. (DRIVER_DEFINES): Pass new defines DEFAULT_REAL_TARGET_MACHINE and ACCEL_DIR_SUFFIX. (install-cpp, install-common, install_driver, install-gcc-ar): Do not install for the offload compiler. * config.in: Regenerate. * configure: Regenerate. * configure.ac (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): Compute new variables. (ACCEL_COMPILER): Define if the compiler is built as the accel compiler. (OFFLOAD_TARGETS): List of target names suitable for offloading. (ENABLE_OFFLOADING): Define if list of offload targets is not empty. gcc/cp/ * Make-lang.in (c++.install-common): Do not install for the offload compiler. gcc/doc/ * install.texi (Options specification): Document --enable-as-accelerator-for and --enable-offload-targets. gcc/fortran/ * Make-lang.in (fortran.install-common): Do not install for the offload compiler. libgcc/ * Makefile.in (crtoffloadbegin$(objext)): New rule. (crtoffloadend$(objext)): Likewise. * configure: Regenerate. * configure.ac (accel_dir_suffix): Compute new variable. (extra_parts): Add crtoffloadbegin.o and crtoffloadend.o if enable_offload_targets is not empty. * offloadstuff.c: New file. libgomp/ * config.h.in: Regenerate. * configure: Regenerate. * configure.ac: Check for libdl, required for plugin support. (PLUGIN_SUPPORT): Define if plugins are supported. (enable_offload_targets): Support Intel MIC targets. (OFFLOAD_TARGETS): List of target names suitable for offloading. lto-plugin/ * Makefile.am (libexecsubdir): Tweak for the possibility of being configured for offload compiler. (accel_dir_suffix, real_target_noncanonical): New variables substituted by configure. * Makefile.in: Regenerate. * configure: Regenerate. * configure.ac (accel_dir_suffix, real_target_noncanonical): Compute new variables. Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com> Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com> Co-Authored-By: Thomas Schwinge <thomas@codesourcery.com> From-SVN: r217485
2014-11-13 13:28:56 +00:00
mkoffload.c (process): Constify host data. gcc/ * config/nvptx/mkoffload.c (process): Constify host data. * config/i386/intelmic-mkoffload.c (generate_target_descr_file): Constify host data. (generate_host_descr_file): Likewise. libgomp/ * target.c (struct_offload_image_descr): Constify host_table. (gomp_offload_image_to_device): Likewise. (GOMP_offload_register, GOMP_offload_unregister): Likewise. libgcc/ * offloadstuff.c: Constify host data. From-SVN: r225943
2015-07-17 17:12:01 +00:00
const void *const __OFFLOAD_TABLE__[]
[PATCH 1/7] OpenMP 4.0 offloading infrastructure: configure and make * configure: Regenerate. * configure.ac (--enable-as-accelerator-for) (--enable-offload-targets): New configure options. gcc/ * Makefile.in (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): New variables substituted by configure. (libsubdir, libexecsubdir, unlibsubdir): Tweak for the possibility of being configured as an offload compiler. (DRIVER_DEFINES): Pass new defines DEFAULT_REAL_TARGET_MACHINE and ACCEL_DIR_SUFFIX. (install-cpp, install-common, install_driver, install-gcc-ar): Do not install for the offload compiler. * config.in: Regenerate. * configure: Regenerate. * configure.ac (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): Compute new variables. (ACCEL_COMPILER): Define if the compiler is built as the accel compiler. (OFFLOAD_TARGETS): List of target names suitable for offloading. (ENABLE_OFFLOADING): Define if list of offload targets is not empty. gcc/cp/ * Make-lang.in (c++.install-common): Do not install for the offload compiler. gcc/doc/ * install.texi (Options specification): Document --enable-as-accelerator-for and --enable-offload-targets. gcc/fortran/ * Make-lang.in (fortran.install-common): Do not install for the offload compiler. libgcc/ * Makefile.in (crtoffloadbegin$(objext)): New rule. (crtoffloadend$(objext)): Likewise. * configure: Regenerate. * configure.ac (accel_dir_suffix): Compute new variable. (extra_parts): Add crtoffloadbegin.o and crtoffloadend.o if enable_offload_targets is not empty. * offloadstuff.c: New file. libgomp/ * config.h.in: Regenerate. * configure: Regenerate. * configure.ac: Check for libdl, required for plugin support. (PLUGIN_SUPPORT): Define if plugins are supported. (enable_offload_targets): Support Intel MIC targets. (OFFLOAD_TARGETS): List of target names suitable for offloading. lto-plugin/ * Makefile.am (libexecsubdir): Tweak for the possibility of being configured for offload compiler. (accel_dir_suffix, real_target_noncanonical): New variables substituted by configure. * Makefile.in: Regenerate. * configure: Regenerate. * configure.ac (accel_dir_suffix, real_target_noncanonical): Compute new variables. Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com> Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com> Co-Authored-By: Thomas Schwinge <thomas@codesourcery.com> From-SVN: r217485
2014-11-13 13:28:56 +00:00
__attribute__ ((__visibility__ ("hidden"))) =
{
&__offload_func_table, &__offload_funcs_end,
openmp: Add support for the 'indirect' clause in C/C++ This adds support for the 'indirect' clause in the 'declare target' directive. Functions declared as indirect may be called via function pointers passed from the host in offloaded code. Virtual calls to member functions via the object pointer in C++ are currently not supported in target regions. 2023-11-07 Kwok Cheung Yeung <kcy@codesourcery.com> gcc/c-family/ * c-attribs.cc (c_common_attribute_table): Add attribute for indirect functions. * c-pragma.h (enum parma_omp_clause): Add entry for indirect clause. gcc/c/ * c-decl.cc (c_decl_attributes): Add attribute for indirect functions. * c-lang.h (c_omp_declare_target_attr): Add indirect field. * c-parser.cc (c_parser_omp_clause_name): Handle indirect clause. (c_parser_omp_clause_indirect): New. (c_parser_omp_all_clauses): Handle indirect clause. (OMP_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (c_parser_omp_declare_target): Handle indirect clause. Emit error message if device_type or indirect clauses used alone. Emit error if indirect clause used with device_type that is not 'any'. (OMP_BEGIN_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (c_parser_omp_begin): Handle indirect clause. * c-typeck.cc (c_finish_omp_clauses): Handle indirect clause. gcc/cp/ * cp-tree.h (cp_omp_declare_target_attr): Add indirect field. * decl2.cc (cplus_decl_attributes): Add attribute for indirect functions. * parser.cc (cp_parser_omp_clause_name): Handle indirect clause. (cp_parser_omp_clause_indirect): New. (cp_parser_omp_all_clauses): Handle indirect clause. (handle_omp_declare_target_clause): Add extra parameter. Add indirect attribute for indirect functions. (OMP_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (cp_parser_omp_declare_target): Handle indirect clause. Emit error message if device_type or indirect clauses used alone. Emit error if indirect clause used with device_type that is not 'any'. (OMP_BEGIN_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (cp_parser_omp_begin): Handle indirect clause. * semantics.cc (finish_omp_clauses): Handle indirect clause. gcc/ * lto-cgraph.cc (enum LTO_symtab_tags): Add tag for indirect functions. (output_offload_tables): Write indirect functions. (input_offload_tables): read indirect functions. * lto-section-names.h (OFFLOAD_IND_FUNC_TABLE_SECTION_NAME): New. * omp-builtins.def (BUILT_IN_GOMP_TARGET_MAP_INDIRECT_PTR): New. * omp-offload.cc (offload_ind_funcs): New. (omp_discover_implicit_declare_target): Add functions marked with 'omp declare target indirect' to indirect functions list. (omp_finish_file): Add indirect functions to section for offload indirect functions. (execute_omp_device_lower): Redirect indirect calls on target by passing function pointer to BUILT_IN_GOMP_TARGET_MAP_INDIRECT_PTR. (pass_omp_device_lower::gate): Run pass_omp_device_lower if indirect functions are present on an accelerator device. * omp-offload.h (offload_ind_funcs): New. * tree-core.h (omp_clause_code): Add OMP_CLAUSE_INDIRECT. * tree.cc (omp_clause_num_ops): Add entry for OMP_CLAUSE_INDIRECT. (omp_clause_code_name): Likewise. * tree.h (OMP_CLAUSE_INDIRECT_EXPR): New. * config/gcn/mkoffload.cc (process_asm): Process offload_ind_funcs section. Count number of indirect functions. (process_obj): Emit number of indirect functions. * config/nvptx/mkoffload.cc (ind_func_ids, ind_funcs_tail): New. (process): Emit offload_ind_func_table in PTX code. Emit indirect function names and count in image. * config/nvptx/nvptx.cc (nvptx_record_offload_symbol): Mark indirect functions in PTX code with IND_FUNC_MAP. gcc/testsuite/ * c-c++-common/gomp/declare-target-7.c: Update expected error message. * c-c++-common/gomp/declare-target-indirect-1.c: New. * c-c++-common/gomp/declare-target-indirect-2.c: New. * g++.dg/gomp/attrs-21.C (v12): Update expected error message. * g++.dg/gomp/declare-target-indirect-1.C: New. * gcc.dg/gomp/attrs-21.c (v12): Update expected error message. include/ * gomp-constants.h (GOMP_VERSION): Increment to 3. (GOMP_VERSION_SUPPORTS_INDIRECT_FUNCS): New. libgcc/ * offloadstuff.c (OFFLOAD_IND_FUNC_TABLE_SECTION_NAME): New. (__offload_ind_func_table): New. (__offload_ind_funcs_end): New. (__OFFLOAD_TABLE__): Add entries for indirect functions. libgomp/ * Makefile.am (libgomp_la_SOURCES): Add target-indirect.c. * Makefile.in: Regenerate. * libgomp-plugin.h (GOMP_INDIRECT_ADDR_MAP): New define. (GOMP_OFFLOAD_load_image): Add extra argument. * libgomp.h (struct indirect_splay_tree_key_s): New. (indirect_splay_tree_node, indirect_splay_tree, indirect_splay_tree_key): New. (indirect_splay_compare): New. * libgomp.map (GOMP_5.1.1): Add GOMP_target_map_indirect_ptr. * libgomp.texi (OpenMP 5.1): Update documentation on indirect calls in target region and on indirect clause. (Other new OpenMP 5.2 features): Add entry for virtual function calls. * libgomp_g.h (GOMP_target_map_indirect_ptr): Add prototype. * oacc-host.c (host_load_image): Add extra argument. * target.c (gomp_load_image_to_device): If the GOMP_VERSION is high enough, read host indirect functions table and pass to load_image_func. * config/accel/target-indirect.c: New. * config/linux/target-indirect.c: New. * config/gcn/team.c (build_indirect_map): Add prototype. (gomp_gcn_enter_kernel): Initialize support for indirect function calls on GCN target. * config/nvptx/team.c (build_indirect_map): Add prototype. (gomp_nvptx_main): Initialize support for indirect function calls on NVPTX target. * plugin/plugin-gcn.c (struct gcn_image_desc): Add field for indirect functions count. (GOMP_OFFLOAD_load_image): Add extra argument. If the GOMP_VERSION is high enough, build address translation table and copy it to target memory. * plugin/plugin-nvptx.c (nvptx_tdata): Add field for indirect functions count. (GOMP_OFFLOAD_load_image): Add extra argument. If the GOMP_VERSION is high enough, Build address translation table and copy it to target memory. * testsuite/libgomp.c-c++-common/declare-target-indirect-1.c: New. * testsuite/libgomp.c-c++-common/declare-target-indirect-2.c: New. * testsuite/libgomp.c++/declare-target-indirect-1.C: New.
2023-11-07 15:18:29 +00:00
&__offload_var_table, &__offload_vars_end,
&__offload_ind_func_table, &__offload_ind_funcs_end,
[PATCH 1/7] OpenMP 4.0 offloading infrastructure: configure and make * configure: Regenerate. * configure.ac (--enable-as-accelerator-for) (--enable-offload-targets): New configure options. gcc/ * Makefile.in (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): New variables substituted by configure. (libsubdir, libexecsubdir, unlibsubdir): Tweak for the possibility of being configured as an offload compiler. (DRIVER_DEFINES): Pass new defines DEFAULT_REAL_TARGET_MACHINE and ACCEL_DIR_SUFFIX. (install-cpp, install-common, install_driver, install-gcc-ar): Do not install for the offload compiler. * config.in: Regenerate. * configure: Regenerate. * configure.ac (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): Compute new variables. (ACCEL_COMPILER): Define if the compiler is built as the accel compiler. (OFFLOAD_TARGETS): List of target names suitable for offloading. (ENABLE_OFFLOADING): Define if list of offload targets is not empty. gcc/cp/ * Make-lang.in (c++.install-common): Do not install for the offload compiler. gcc/doc/ * install.texi (Options specification): Document --enable-as-accelerator-for and --enable-offload-targets. gcc/fortran/ * Make-lang.in (fortran.install-common): Do not install for the offload compiler. libgcc/ * Makefile.in (crtoffloadbegin$(objext)): New rule. (crtoffloadend$(objext)): Likewise. * configure: Regenerate. * configure.ac (accel_dir_suffix): Compute new variable. (extra_parts): Add crtoffloadbegin.o and crtoffloadend.o if enable_offload_targets is not empty. * offloadstuff.c: New file. libgomp/ * config.h.in: Regenerate. * configure: Regenerate. * configure.ac: Check for libdl, required for plugin support. (PLUGIN_SUPPORT): Define if plugins are supported. (enable_offload_targets): Support Intel MIC targets. (OFFLOAD_TARGETS): List of target names suitable for offloading. lto-plugin/ * Makefile.am (libexecsubdir): Tweak for the possibility of being configured for offload compiler. (accel_dir_suffix, real_target_noncanonical): New variables substituted by configure. * Makefile.in: Regenerate. * configure: Regenerate. * configure.ac (accel_dir_suffix, real_target_noncanonical): Compute new variables. Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com> Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com> Co-Authored-By: Thomas Schwinge <thomas@codesourcery.com> From-SVN: r217485
2014-11-13 13:28:56 +00:00
};
re PR driver/68463 (Offloading fails when some objects are compiled with LTO and some without) gcc/ PR driver/68463 * config/gnu-user.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o if offloading is enabled and -fopenacc or -fopenmp is specified. (CRTOFFLOADEND): Likewise. (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN. (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND. * lto-wrapper.c (offloadbegin, offloadend): Remove static vars. (offload_objects_file_name): New static var. (tool_cleanup): Remove offload_objects_file_name file. (find_offloadbeginend): Replace with ... (find_crtoffloadtable): ... this. (run_gcc): Remove offload_argc and offload_argv. Get offload_objects_file_name from -foffload-objects=... option. Read names of object files with offload from this file, pass them to compile_images_for_offload_targets. Don't call find_offloadbeginend and don't pass offloadbegin and offloadend to the linker. Don't pass offload non-LTO files to the linker, because now they're not claimed. libgcc/ PR driver/68463 * Makefile.in (crtoffloadtable$(objext)): New rule. * configure.ac (extra_parts): Add crtoffloadtable$(objext) if enable_offload_targets is not empty. * configure: Regenerate. * offloadstuff.c: Move __OFFLOAD_TABLE__ from crtoffloadend to crtoffloadtable. libgomp/ PR driver/68463 * testsuite/libgomp.oacc-c-c++-common/parallel-dims-2.c: Remove. lto-plugin/ PR driver/68463 * lto-plugin.c (struct plugin_offload_file): New. (offload_files): Change type. (offload_files_last, offload_files_last_obj): New. (offload_files_last_lto): New. (free_2): Adjust accordingly. (all_symbols_read_handler): Don't add offload files to lto_arg_ptr. Don't call free_1 for offload_files. Write names of object files with offloading to the temporary file. Add new option to lto_arg_ptr. (claim_file_handler): Don't claim file if it contains offload sections without LTO sections. If it contains offload sections, add to the list. From-SVN: r233712
2016-02-25 12:23:52 +00:00
#else /* ! CRT_BEGIN && ! CRT_END && ! CRT_TABLE */
#error "One of CRT_BEGIN, CRT_END or CRT_TABLE must be defined."
[PATCH 1/7] OpenMP 4.0 offloading infrastructure: configure and make * configure: Regenerate. * configure.ac (--enable-as-accelerator-for) (--enable-offload-targets): New configure options. gcc/ * Makefile.in (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): New variables substituted by configure. (libsubdir, libexecsubdir, unlibsubdir): Tweak for the possibility of being configured as an offload compiler. (DRIVER_DEFINES): Pass new defines DEFAULT_REAL_TARGET_MACHINE and ACCEL_DIR_SUFFIX. (install-cpp, install-common, install_driver, install-gcc-ar): Do not install for the offload compiler. * config.in: Regenerate. * configure: Regenerate. * configure.ac (real_target_noncanonical, accel_dir_suffix) (enable_as_accelerator): Compute new variables. (ACCEL_COMPILER): Define if the compiler is built as the accel compiler. (OFFLOAD_TARGETS): List of target names suitable for offloading. (ENABLE_OFFLOADING): Define if list of offload targets is not empty. gcc/cp/ * Make-lang.in (c++.install-common): Do not install for the offload compiler. gcc/doc/ * install.texi (Options specification): Document --enable-as-accelerator-for and --enable-offload-targets. gcc/fortran/ * Make-lang.in (fortran.install-common): Do not install for the offload compiler. libgcc/ * Makefile.in (crtoffloadbegin$(objext)): New rule. (crtoffloadend$(objext)): Likewise. * configure: Regenerate. * configure.ac (accel_dir_suffix): Compute new variable. (extra_parts): Add crtoffloadbegin.o and crtoffloadend.o if enable_offload_targets is not empty. * offloadstuff.c: New file. libgomp/ * config.h.in: Regenerate. * configure: Regenerate. * configure.ac: Check for libdl, required for plugin support. (PLUGIN_SUPPORT): Define if plugins are supported. (enable_offload_targets): Support Intel MIC targets. (OFFLOAD_TARGETS): List of target names suitable for offloading. lto-plugin/ * Makefile.am (libexecsubdir): Tweak for the possibility of being configured for offload compiler. (accel_dir_suffix, real_target_noncanonical): New variables substituted by configure. * Makefile.in: Regenerate. * configure: Regenerate. * configure.ac (accel_dir_suffix, real_target_noncanonical): Compute new variables. Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com> Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com> Co-Authored-By: Thomas Schwinge <thomas@codesourcery.com> From-SVN: r217485
2014-11-13 13:28:56 +00:00
#endif
#endif
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