linker: cxx: Include .gcc_except_table sections

Include .gcc_except_table (sub-)sections in linker files to support C++
with exceptions enabled. If these sections are not mapped warnings will
be generated for orphaned sections at link time.

Signed-off-by: Jan Van Winkel <[email protected]>

Author: vanwinkeljan

include/arch/arc/v2/linker.ld

@@ -132,6 +132,8 @@ SECTIONS {
 
 	} GROUP_LINK_IN(ROMABLE_REGION)
 
+#include <linker/cplusplus-rom.ld>
+
 	_image_rodata_end = .;
 	MPU_ALIGN(_image_rodata_end - _image_rom_start);
 	_image_rom_end = .;
@@ -227,6 +229,7 @@ SECTIONS {
 
 #include <linker/common-ram.ld>
 #include <linker/kobject.ld>
+#include <linker/cplusplus-ram.ld>
 
 	__data_ram_end = .;
 

include/arch/arm/cortex_m/scripts/linker.ld

@@ -273,6 +273,8 @@ SECTIONS
 	. = ALIGN(4);
 	} GROUP_LINK_IN(ROMABLE_REGION)
 
+#include <linker/cplusplus-rom.ld>
+
 	_image_rodata_end = .;
 	MPU_ALIGN(_image_rodata_end -_image_rom_start);
 	_image_rom_end = .;
@@ -411,6 +413,7 @@ SECTIONS
 #include <linker/kobject.ld>
 
 #include <linker/priv_stacks-noinit.ld>
+#include <linker/cplusplus-ram.ld>
 
     __data_ram_end = .;
 

include/arch/arm/cortex_r/scripts/linker.ld

@@ -272,6 +272,8 @@ SECTIONS
 	. = ALIGN(4);
 	} GROUP_LINK_IN(ROMABLE_REGION)
 
+#include <linker/cplusplus-rom.ld>
+
 	_image_rodata_end = .;
 	MPU_ALIGN(_image_rodata_end -_image_rom_start);
 	_image_rom_end = .;
@@ -412,6 +414,8 @@ SECTIONS
 
 #include <linker/priv_stacks-noinit.ld>
 
+#include <linker/cplusplus-ram.ld>
+
     __data_ram_end = .;
 
 

include/arch/nios2/linker.ld

@@ -163,6 +163,8 @@ SECTIONS
         . = ALIGN(4);
         } GROUP_LINK_IN(ROMABLE_REGION)
 
+#include <linker/cplusplus-rom.ld>
+
     _image_rom_end = .;
     __data_rom_start = ALIGN(4);    /* XIP imaged DATA ROM start addr */
 
@@ -280,6 +282,8 @@ SECTIONS
 
         } GROUP_LINK_IN(RAMABLE_REGION)
 
+#include <linker/cplusplus-ram.ld>
+
     /* Define linker symbols */
     _image_ram_end = .;
     _end = .; /* end of image */

include/arch/riscv/common/linker.ld

@@ -120,6 +120,8 @@ SECTIONS
 
 	} GROUP_LINK_IN(ROMABLE_REGION)
 
+#include <linker/cplusplus-rom.ld>
+
     _image_rom_end = .;
     __data_rom_start = .;
 
@@ -196,6 +198,8 @@ SECTIONS
 
 	} GROUP_LINK_IN(RAMABLE_REGION)
 
+#include <linker/cplusplus-ram.ld>
+
      _image_ram_end = .;
      _end = .; /* end of image */
 

include/arch/x86/ia32/linker.ld

@@ -160,6 +160,8 @@ SECTIONS
 #include <linker/kobject-rom.ld>
 	} GROUP_LINK_IN(ROMABLE_REGION)
 
+#include <linker/cplusplus-rom.ld>
+
 	MMU_PAGE_ALIGN
 	/* ROM ends here, position counter will now be in RAM areas */
 	_image_rom_end = .;
@@ -348,6 +350,7 @@ SECTIONS
 #include <linker/common-ram.ld>
 
 #include <linker/kobject.ld>
+#include <linker/cplusplus-ram.ld>
 
 	MMU_PAGE_ALIGN
 	__data_ram_end = .;

include/arch/x86/intel64/linker.ld

@@ -54,9 +54,12 @@ SECTIONS
 	#include <custom-rodata.ld>
 	#endif /* CONFIG_CUSTOM_RODATA_LD */
 
+	} GROUP_LINK_IN(ROMABLE_REGION)
+
+#include <linker/cplusplus-rom.ld>
+
 	_image_rodata_end = .;
 	_image_rodata_size = _image_rodata_end - _image_rodata_start;
-	} GROUP_LINK_IN(ROMABLE_REGION)
 
 	SECTION_PROLOGUE(_DATA_SECTION_NAME,,ALIGN(16))
 	{
@@ -70,6 +73,7 @@ SECTIONS
 
 #include <snippets-ram-sections.ld>
 #include <linker/common-ram.ld>
+#include <linker/cplusplus-ram.ld>
 
 	SECTION_PROLOGUE(_BSS_SECTION_NAME, (NOLOAD), ALIGN(16))
 	{

include/linker/cplusplus-ram.ld

@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2019 Jan Van Winkel <[email protected]>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#if defined (CONFIG_CPLUSPLUS)
+	SECTION_PROLOGUE(.gcc_except_table,,ONLY_IF_RW)
+	{
+	*(.gcc_except_table .gcc_except_table.*)
+	} GROUP_LINK_IN(RAMABLE_REGION)
+#endif

include/linker/cplusplus-rom.ld

@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2019 Jan Van Winkel <[email protected]>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#if defined (CONFIG_CPLUSPLUS)
+	SECTION_PROLOGUE(.gcc_except_table,,ONLY_IF_RO)
+	{
+	*(.gcc_except_table .gcc_except_table.*)
+	} GROUP_LINK_IN(ROMABLE_REGION)
+#endif

soc/riscv/openisa_rv32m1/linker.ld

@@ -163,6 +163,8 @@ SECTIONS
 
 	} GROUP_LINK_IN(ROMABLE_REGION)
 
+#include <linker/cplusplus-rom.ld>
+
     _image_rodata_end = .;
     _image_rom_end = .;
 
@@ -202,6 +204,7 @@ SECTIONS
 	} GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
 
 #include <linker/common-ram.ld>
+#include <linker/cplusplus-ram.ld>
 
     __data_ram_end = .;
     __data_rom_start = LOADADDR(_DATA_SECTION_NAME);