path: root/devel/llvm12/files/patch-backport-version-fixes

diff --git llvm/tools/lto/CMakeLists.txt llvm/tools/lto/CMakeLists.txt
index 2963f97cad88..ae1ae6f48886 100644
--- llvm/tools/lto/CMakeLists.txt
+++ llvm/tools/lto/CMakeLists.txt
@@ -19,7 +19,11 @@ set(SOURCES
   lto.cpp
   )
 
-set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/lto.exports)
+if (LLVM_LINK_LLVM_DYLIB)
+  set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/lto.dylib.exports)
+else()
+  set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/lto.exports)
+endif()
 
 add_llvm_library(LTO SHARED INSTALL_WITH_TOOLCHAIN ${SOURCES} DEPENDS
     intrinsics_gen)
diff --git llvm/tools/lto/lto.dylib.exports llvm/tools/lto/lto.dylib.exports
new file mode 100644
index 000000000000..2871abd34e40
--- /dev/null
+++ llvm/tools/lto/lto.dylib.exports
@@ -0,0 +1,75 @@
+lto_get_error_message
+lto_get_version
+lto_initialize_disassembler
+lto_module_create
+lto_module_create_from_fd
+lto_module_create_from_fd_at_offset
+lto_module_create_from_memory
+lto_module_create_from_memory_with_path
+lto_module_create_in_local_context
+lto_module_create_in_codegen_context
+lto_module_get_linkeropts
+lto_module_get_macho_cputype
+lto_module_get_num_symbols
+lto_module_get_symbol_attribute
+lto_module_get_symbol_name
+lto_module_get_target_triple
+lto_module_set_target_triple
+lto_module_is_object_file
+lto_module_is_object_file_for_target
+lto_module_is_object_file_in_memory
+lto_module_is_object_file_in_memory_for_target
+lto_module_has_objc_category
+lto_module_dispose
+lto_api_version
+lto_codegen_set_diagnostic_handler
+lto_codegen_add_module
+lto_codegen_set_module
+lto_codegen_add_must_preserve_symbol
+lto_codegen_compile
+lto_codegen_create
+lto_codegen_create_in_local_context
+lto_codegen_dispose
+lto_codegen_set_debug_model
+lto_codegen_set_pic_model
+lto_codegen_write_merged_modules
+lto_codegen_debug_options
+lto_codegen_debug_options_array
+lto_codegen_set_assembler_args
+lto_codegen_set_assembler_path
+lto_codegen_set_cpu
+lto_codegen_compile_to_file
+lto_codegen_optimize
+lto_codegen_compile_optimized
+lto_codegen_set_should_internalize
+lto_codegen_set_should_embed_uselists
+thinlto_create_codegen
+thinlto_codegen_dispose
+thinlto_codegen_add_module
+thinlto_codegen_process
+thinlto_module_get_num_objects
+thinlto_module_get_object
+thinlto_codegen_set_pic_model
+thinlto_codegen_set_cache_dir
+thinlto_codegen_set_cache_pruning_interval
+thinlto_codegen_set_cache_entry_expiration
+thinlto_codegen_set_final_cache_size_relative_to_available_space
+thinlto_codegen_set_cache_size_bytes
+thinlto_codegen_set_cache_size_megabytes
+thinlto_codegen_set_cache_size_files
+thinlto_codegen_set_savetemps_dir
+thinlto_codegen_set_cpu
+thinlto_debug_options
+lto_module_is_thinlto
+thinlto_codegen_add_must_preserve_symbol
+thinlto_codegen_add_cross_referenced_symbol
+thinlto_codegen_set_codegen_only
+thinlto_codegen_disable_codegen
+thinlto_module_get_num_object_files
+thinlto_module_get_object_file
+thinlto_set_generated_objects_dir
+lto_input_create
+lto_input_dispose
+lto_input_get_num_dependent_libraries
+lto_input_get_dependent_library
+lto_runtime_lib_symbols_list
diff --git llvm/tools/lto/lto.exports llvm/tools/lto/lto.exports
index 1f0a6b23d3fd..2871abd34e40 100644
--- llvm/tools/lto/lto.exports
+++ llvm/tools/lto/lto.exports
@@ -43,12 +43,6 @@ lto_codegen_optimize
 lto_codegen_compile_optimized
 lto_codegen_set_should_internalize
 lto_codegen_set_should_embed_uselists
-LLVMCreateDisasm
-LLVMCreateDisasmCPU
-LLVMDisasmDispose
-LLVMDisasmInstruction
-LLVMSetDisasmOptions
-LLVMCreateDisasmCPUFeatures
 thinlto_create_codegen
 thinlto_codegen_dispose
 thinlto_codegen_add_module
diff --git llvm/tools/remarks-shlib/CMakeLists.txt llvm/tools/remarks-shlib/CMakeLists.txt
index 865436247270..81a1d75964f0 100644
--- llvm/tools/remarks-shlib/CMakeLists.txt
+++ llvm/tools/remarks-shlib/CMakeLists.txt
@@ -9,7 +9,11 @@ if(LLVM_ENABLE_PIC)
     libremarks.cpp
     )
 
-  set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/Remarks.exports)
+  if (LLVM_LINK_LLVM_DYLIB)
+    set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/Remarks.dylib.exports)
+  else()
+    set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/Remarks.exports)
+  endif()
 
   add_llvm_library(Remarks SHARED INSTALL_WITH_TOOLCHAIN ${SOURCES})
 
diff --git llvm/tools/remarks-shlib/Remarks.dylib.exports llvm/tools/remarks-shlib/Remarks.dylib.exports
new file mode 100644
index 000000000000..0c2a3c38c78c
--- /dev/null
+++ llvm/tools/remarks-shlib/Remarks.dylib.exports
@@ -0,0 +1 @@
+LLVMRemarkVersion
diff --git openmp/libomptarget/plugins/exports openmp/libomptarget/plugins/exports
index 48f81c088200..cc7beda183af 100644
--- openmp/libomptarget/plugins/exports
+++ openmp/libomptarget/plugins/exports
@@ -1,26 +1,6 @@
 VERS1.0 {
   global:
-    __tgt_rtl_is_valid_binary;
-    __tgt_rtl_is_data_exchangable;
-    __tgt_rtl_number_of_devices;
-    __tgt_rtl_init_requires;
-    __tgt_rtl_init_device;
-    __tgt_rtl_load_binary;
-    __tgt_rtl_data_alloc;
-    __tgt_rtl_data_submit;
-    __tgt_rtl_data_submit_async;
-    __tgt_rtl_data_retrieve;
-    __tgt_rtl_data_retrieve_async;
-    __tgt_rtl_data_exchange;
-    __tgt_rtl_data_exchange_async;
-    __tgt_rtl_data_delete;
-    __tgt_rtl_run_target_team_region;
-    __tgt_rtl_run_target_team_region_async;
-    __tgt_rtl_run_target_region;
-    __tgt_rtl_run_target_region_async;
-    __tgt_rtl_synchronize;
-    __tgt_rtl_register_lib;
-    __tgt_rtl_unregister_lib;
+    __tgt_rtl*;
   local:
     *;
 };
diff --git openmp/runtime/cmake/LibompHandleFlags.cmake openmp/runtime/cmake/LibompHandleFlags.cmake
index 4a25359a788c..3c63da905d35 100644
--- openmp/runtime/cmake/LibompHandleFlags.cmake
+++ openmp/runtime/cmake/LibompHandleFlags.cmake
@@ -95,7 +95,6 @@ function(libomp_get_ldflags ldflags)
     IF_DEFINED CMAKE_C_OSX_CURRENT_VERSION_FLAG)
   libomp_append(ldflags_local "${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}${LIBOMP_VERSION_MAJOR}.${LIBOMP_VERSION_MINOR}"
     IF_DEFINED CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG)
-  libomp_append(ldflags_local -Wl,--warn-shared-textrel LIBOMP_HAVE_WARN_SHARED_TEXTREL_FLAG)
   libomp_append(ldflags_local -Wl,--as-needed LIBOMP_HAVE_AS_NEEDED_FLAG)
   libomp_append(ldflags_local "-Wl,--version-script=${LIBOMP_SRC_DIR}/exports_so.txt" LIBOMP_HAVE_VERSION_SCRIPT_FLAG)
   libomp_append(ldflags_local -static-libgcc LIBOMP_HAVE_STATIC_LIBGCC_FLAG)
diff --git openmp/runtime/cmake/config-ix.cmake openmp/runtime/cmake/config-ix.cmake
index ed62aefccd14..8e38759d7253 100644
--- openmp/runtime/cmake/config-ix.cmake
+++ openmp/runtime/cmake/config-ix.cmake
@@ -111,9 +111,8 @@ if(WIN32)
   libomp_check_linker_flag(/SAFESEH LIBOMP_HAVE_SAFESEH_FLAG)
 elseif(NOT APPLE)
   libomp_check_linker_flag(-Wl,-x LIBOMP_HAVE_X_FLAG)
-  libomp_check_linker_flag(-Wl,--warn-shared-textrel LIBOMP_HAVE_WARN_SHARED_TEXTREL_FLAG)
   libomp_check_linker_flag(-Wl,--as-needed LIBOMP_HAVE_AS_NEEDED_FLAG)
-  libomp_check_linker_flag("-Wl,--version-script=${LIBOMP_SRC_DIR}/exports_so.txt" LIBOMP_HAVE_VERSION_SCRIPT_FLAG)
+  libomp_check_linker_flag("-Wl,--version-script=${LIBOMP_SRC_DIR}/exports_test_so.txt" LIBOMP_HAVE_VERSION_SCRIPT_FLAG)
   libomp_check_linker_flag(-static-libgcc LIBOMP_HAVE_STATIC_LIBGCC_FLAG)
   libomp_check_linker_flag(-Wl,-z,noexecstack LIBOMP_HAVE_Z_NOEXECSTACK_FLAG)
 endif()
diff --git openmp/runtime/src/exports_so.txt openmp/runtime/src/exports_so.txt
index 30222418163d..4e159a1abf29 100644
--- openmp/runtime/src/exports_so.txt
+++ openmp/runtime/src/exports_so.txt
@@ -74,10 +74,8 @@ VERSION {
         __kmp_fork_call;
         __kmp_invoke_microtask;
 #if KMP_USE_MONITOR
-        __kmp_launch_monitor;
         __kmp_reap_monitor;
 #endif
-        __kmp_launch_worker;
         __kmp_reap_worker;
         __kmp_release_64;
         __kmp_wait_64;
diff --git openmp/runtime/src/exports_test_so.txt openmp/runtime/src/exports_test_so.txt
new file mode 100644
index 000000000000..912d160e7c06
--- /dev/null
+++ openmp/runtime/src/exports_test_so.txt
@@ -0,0 +1,60 @@
+# exports_test_so.txt #
+
+#
+#//===----------------------------------------------------------------------===//
+#//
+#// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+#// See https://llvm.org/LICENSE.txt for license information.
+#// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+#//
+#//===----------------------------------------------------------------------===//
+#
+
+# This is used only to test if the linker supports version scripts. If the full
+# version script it used we may error on undefined symbols and erroneously fail.
+
+VERSION {
+
+    global: # Exported symbols.
+
+        *;         # All symbols as exported for testing.
+
+    local: # Non-exported symbols.
+
+        *;         # All other symbols are not exported.
+
+}; # VERSION
+
+# sets up GCC OMP_ version dependency chain
+OMP_1.0 {
+};
+OMP_2.0 {
+} OMP_1.0;
+OMP_3.0 {
+} OMP_2.0;
+OMP_3.1 {
+} OMP_3.0;
+OMP_4.0 {
+} OMP_3.1;
+OMP_4.5 {
+} OMP_4.0;
+OMP_5.0 {
+} OMP_4.5;
+
+# sets up GCC GOMP_ version dependency chain
+GOMP_1.0 {
+};
+GOMP_2.0 {
+} GOMP_1.0;
+GOMP_3.0 {
+} GOMP_2.0;
+GOMP_4.0 {
+} GOMP_3.0;
+GOMP_4.5 {
+} GOMP_4.0;
+GOMP_5.0 {
+} GOMP_4.5;
+GOMP_5.0.1 {
+} GOMP_5.0;
+
+# end of file #
diff --git openmp/runtime/src/kmp_runtime.cpp openmp/runtime/src/kmp_runtime.cpp
index b981f8740dbe..81a01622b462 100644
--- openmp/runtime/src/kmp_runtime.cpp
+++ openmp/runtime/src/kmp_runtime.cpp
@@ -8624,3 +8624,20 @@ void __kmp_hidden_helper_threads_initz_routine() {
 
   __kmp_hidden_helper_threads_deinitz_release();
 }
+
+// Empty symbols to export (see exports_so.txt) when feature is disabled
+extern "C" {
+#if !KMP_STATS_ENABLED
+void __kmp_reset_stats() {}
+#endif
+#if !USE_DEBUGGER
+int __kmp_omp_debug_struct_info = FALSE;
+int __kmp_debugging = FALSE;
+#endif
+#if !USE_ITT_BUILD || !USE_ITT_NOTIFY
+void __kmp_itt_fini_ittlib() {}
+void __kmp_itt_init_ittlib() {}
+#endif
+}
+
+// end of file
diff --git openmp/runtime/src/kmp_utility.cpp openmp/runtime/src/kmp_utility.cpp
index f163f0551aa5..8ad7c61324d7 100644
--- openmp/runtime/src/kmp_utility.cpp
+++ openmp/runtime/src/kmp_utility.cpp
@@ -407,3 +407,16 @@ void __kmp_expand_file_name(char *result, size_t rlen, char *pattern) {
 
   *pos = '\0';
 }
+
+#if !OMPT_SUPPORT
+extern "C" {
+typedef struct ompt_start_tool_result_t ompt_start_tool_result_t;
+// Define symbols expected by VERSION script
+ompt_start_tool_result_t *ompt_start_tool(unsigned int omp_version,
+                                          const char *runtime_version) {
+  return nullptr;
+}
+
+void ompt_libomp_connect(ompt_start_tool_result_t *result) { result = nullptr; }
+}
+#endif
diff --git openmp/runtime/src/z_Linux_util.cpp openmp/runtime/src/z_Linux_util.cpp
index 95feafbec8e5..b4a656d21b89 100644
--- openmp/runtime/src/z_Linux_util.cpp
+++ openmp/runtime/src/z_Linux_util.cpp
@@ -1051,7 +1051,7 @@ void __kmp_exit_thread(int exit_status) {
 #if KMP_USE_MONITOR
 void __kmp_resume_monitor();
 
-void __kmp_reap_monitor(kmp_info_t *th) {
+extern "C" void __kmp_reap_monitor(kmp_info_t *th) {
   int status;
   void *exit_val;
 
@@ -1093,6 +1093,12 @@ void __kmp_reap_monitor(kmp_info_t *th) {
 
   KMP_MB(); /* Flush all pending memory write invalidates.  */
 }
+#else
+// Empty symbol to export (see exports_so.txt) when
+// monitor thread feature is disabled
+extern "C" void __kmp_reap_monitor(kmp_info_t *th) {
+  (void)th;
+}
 #endif // KMP_USE_MONITOR
 
 void __kmp_reap_worker(kmp_info_t *th) {