treewide: Use CONFIG_CPP_EXCEPTIONS instead of CONFIG_EXCEPTIONS

This commit updates all in-tree code to use `CONFIG_CPP_EXCEPTIONS`
instead of `CONFIG_EXCEPTIONS`, which is now deprecated.

Signed-off-by: Stephanos Ioannidis <stephanos.ioannidis@nordicsemi.no>

CMakeLists.txt

@@ -253,7 +253,7 @@ if(CONFIG_CPP)
   zephyr_compile_options($<$<COMPILE_LANGUAGE:CXX>:${STD_CPP_DIALECT_FLAGS}>)
 endif()
 
-if(NOT CONFIG_EXCEPTIONS)
+if(NOT CONFIG_CPP_EXCEPTIONS)
   # @Intent: Obtain compiler specific flags related to C++ Exceptions
   zephyr_compile_options($<$<COMPILE_LANGUAGE:CXX>:$<TARGET_PROPERTY:compiler-cpp,no_exceptions>>)
 endif()
@@ -1479,7 +1479,7 @@ if(CONFIG_BUILD_OUTPUT_ADJUST_LMA)
     )
 endif()
 
-if(NOT CONFIG_EXCEPTIONS)
+if(NOT CONFIG_CPP_EXCEPTIONS)
   set(eh_frame_section ".eh_frame")
 else()
   set(eh_frame_section "")

cmake/linker/ld/target.cmake

@@ -15,7 +15,7 @@ endif()
 set_ifndef(LINKERFLAGPREFIX -Wl)
 
 if(NOT "${ZEPHYR_TOOLCHAIN_VARIANT}" STREQUAL "host")
-  if(CONFIG_EXCEPTIONS)
+  if(CONFIG_CPP_EXCEPTIONS)
     # When building with C++ Exceptions, it is important that crtbegin and crtend
     # are linked at specific locations.
     # The location is so important that we cannot let this be controlled by normal

doc/develop/languages/cpp/index.rst

@@ -60,7 +60,7 @@ initialized but before the application :c:func:`main()` function. Therefore,
 use of C++ is restricted to application code.
 
 In order to make use of the C++ exceptions, the
-:kconfig:option:`CONFIG_EXCEPTIONS` must be selected in the application
+:kconfig:option:`CONFIG_CPP_EXCEPTIONS` must be selected in the application
 configuration file.
 
 Zephyr Minimal C++ Library

include/zephyr/arch/x86/ia32/linker.ld

@@ -544,7 +544,7 @@ SECTIONS
 /*
  * eh_frame section won't be removed even with "--gc-sections" by LLVM lld.
  */
-#if !defined(CONFIG_EXCEPTIONS)
+#if !defined(CONFIG_CPP_EXCEPTIONS)
 	/DISCARD/ : { *(.eh_frame) }
 #endif
 

include/zephyr/arch/x86/intel64/linker.ld

@@ -220,7 +220,7 @@ SECTIONS
 /*
  * eh_frame section won't be removed even with "--gc-sections" by LLVM lld.
  */
-#if !defined(CONFIG_EXCEPTIONS)
+#if !defined(CONFIG_CPP_EXCEPTIONS)
 	/DISCARD/ : { *(.eh_frame) }
 #endif
 

include/zephyr/linker/cplusplus-ram.ld

@@ -10,12 +10,12 @@
 	*(.gcc_except_table .gcc_except_table.*)
 	} GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
 
-#if defined (CONFIG_EXCEPTIONS)
+#if defined (CONFIG_CPP_EXCEPTIONS)
     SECTION_PROLOGUE(.tm_clone_table,,)
 	{
 	KEEP (*(SORT_NONE(EXCLUDE_FILE (*crtend.o) .tm_clone_table)))
 	KEEP (*(SORT_NONE(.tm_clone_table)))
 	} GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
-#endif /* CONFIG_EXCEPTIONS */
+#endif /* CONFIG_CPP_EXCEPTIONS */
 
 #endif /* CONFIG_CPP */

include/zephyr/linker/cplusplus-rom.ld

@@ -10,7 +10,7 @@
 	*(.gcc_except_table .gcc_except_table.*)
 	} GROUP_ROM_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
 
-#if defined (CONFIG_EXCEPTIONS)
+#if defined (CONFIG_CPP_EXCEPTIONS)
 	SECTION_PROLOGUE(.eh_frame_hdr,,)
 	{
 	*(.eh_frame_hdr)
@@ -21,6 +21,6 @@
 	KEEP (*(SORT_NONE(EXCLUDE_FILE (*crtend.o) .eh_frame)))
 	KEEP (*(SORT_NONE(.eh_frame)))
 	} GROUP_ROM_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
-#endif /* CONFIG_EXCEPTIONS */
+#endif /* CONFIG_CPP_EXCEPTIONS */
 
 #endif /* CONFIG_CPP */

tests/lib/cpp/libcxx/src/main.cpp

@@ -67,7 +67,7 @@ ZTEST(libcxx_tests, test_make_unique)
 	zassert_equal(make_unique_data::dtors, 1, "dtor count not incremented");
 }
 
-#if defined(CONFIG_EXCEPTIONS) && !defined(CONFIG_BOARD_M2GL025_MIV)
+#if defined(CONFIG_CPP_EXCEPTIONS) && !defined(CONFIG_BOARD_M2GL025_MIV)
 static void throw_exception(void)
 {
 	throw 42;

tests/lib/cpp/libcxx/testcase.yaml

@@ -7,7 +7,7 @@ tests:
     tags: cpp
     extra_configs:
       - CONFIG_NEWLIB_LIBC=y
-      - CONFIG_EXCEPTIONS=y
+      - CONFIG_CPP_EXCEPTIONS=y
     integration_platforms:
       - mps2_an385
   cpp.libcxx.newlib_nano: