linker: warn about orphan sections (8ce758a8) · Commits · Wenxi XU / zephyr

CMakeLists.txt

+7 −0

Original line number	Diff line number	Diff line
		@@ -287,6 +287,13 @@ zephyr_ld_options(
		${LINKERFLAGPREFIX},--build-id=none
		)

		# Funny thing is if this is set to =error, some architectures will
		# skip this flag even though the compiler flag check passes
		# (e.g. ARC and Xtensa). So keep it at =warn, for now.
		zephyr_ld_options(
		${LINKERFLAGPREFIX},--orphan-handling=warn
		)

		if(CONFIG_HAVE_CUSTOM_LINKER_SCRIPT)
		set(LINKER_SCRIPT ${APPLICATION_SOURCE_DIR}/${CONFIG_CUSTOM_LINKER_SCRIPT})
		if(NOT EXISTS ${LINKER_SCRIPT})

+6 −0

Original line number	Diff line number	Diff line
		@@ -73,6 +73,9 @@ MEMORY {
		}

		SECTIONS {

		#include <linker/rel-sections.ld>

		GROUP_START(ROMABLE_REGION)

		SECTION_PROLOGUE(_TEXT_SECTION_NAME,,ALIGN(1024)) {
		@@ -283,4 +286,7 @@ SECTIONS {
		#ifdef CONFIG_GEN_ISR_TABLES
		#include <linker/intlist.ld>
		#endif

		#include <linker/debug-sections.ld>

		}

+45 −0

Original line number	Diff line number	Diff line
		@@ -87,6 +87,23 @@ ENTRY(CONFIG_KERNEL_ENTRY)

		SECTIONS
		{

		#include <linker/rel-sections.ld>

		/*
		* .plt and .iplt are here according to 'arm-zephyr-elf-ld --verbose',
		* before text section.
		*/
		SECTION_PROLOGUE(.plt,,)
		{
		*(.plt)
		}

		SECTION_PROLOGUE(.iplt,,)
		{
		*(.iplt)
		}

		GROUP_START(ROMABLE_REGION)

		_image_rom_start = ROM_ADDR;
		@@ -133,6 +150,12 @@ SECTIONS
		(".text.")
		(.gnu.linkonce.t.)

		/*
		* These are here according to 'arm-zephyr-elf-ld --verbose',
		* after .gnu.linkonce.t.*
		*/
		(.glue_7t) (.glue_7) (.vfp11_veneer) (.v4_bx)

		#include <linker/priv_stacks-text.ld>
		#include <linker/kobject-text.ld>

		@@ -219,6 +242,18 @@ SECTIONS
		} > FLASH_CCFG
		#endif

		/*
		* These are here according to 'arm-zephyr-elf-ld --verbose',
		* before data section.
		*/
		SECTION_PROLOGUE(.got,,)
		{
		*(.got.plt)
		*(.igot.plt)
		*(.got)
		*(.igot)
		}

		GROUP_START(RAMABLE_REGION)


		@@ -319,6 +354,8 @@ SECTIONS
		KERNEL_INPUT_SECTION(COMMON)
		(".kernel_bss.")

		#include <linker/priv_stacks-noinit.ld>

		/*
		* As memory is cleared in words only, it is simpler to ensure the BSS
		* section ends on a 4 byte boundary. This wastes a maximum of 3 bytes.
		@@ -427,4 +464,12 @@ SECTIONS
		#include <linker/intlist.ld>
		#endif

		#include <linker/debug-sections.ld>

		SECTION_PROLOGUE(.ARM.attributes, 0,)
		{
		KEEP(*(.ARM.attributes))
		KEEP(*(.gnu.attributes))
		}

		}

+19 −0

Original line number	Diff line number	Diff line
		@@ -82,6 +82,23 @@ ENTRY(CONFIG_KERNEL_ENTRY)

		SECTIONS
		{

		#include <linker/rel-sections.ld>

		/*
		* .plt and .iplt are here according to
		* 'nios2-zephyr-elf-ld --verbose', before text section.
		*/
		SECTION_PROLOGUE(.plt,,)
		{
		*(.plt)
		}

		SECTION_PROLOGUE(.iplt,,)
		{
		*(.iplt)
		}

		GROUP_START(ROMABLE_REGION)
		_image_rom_start = _ROM_ADDR;

		@@ -261,5 +278,7 @@ SECTIONS
		#include <linker/intlist.ld>
		#endif

		#include <linker/debug-sections.ld>

		}

+27 −0

Original line number	Diff line number	Diff line
		@@ -21,16 +21,43 @@
		#include <linker/linker-defs.h>
		#include <linker/linker-tool.h>

		SECTIONS
		{
		SECTION_PROLOGUE(.note.ABI-tag,,)
		{
		*(.note.ABI-tag)
		}

		} INSERT AFTER .interp;

		SECTIONS
		{

		#include <linker/rel-sections.ld>

		#include <linker/common-rom.ld>

		#include <linker/common-ram.ld>

		SECTION_PROLOGUE(_NOINIT_SECTION_NAME, (NOLOAD OPTIONAL),)
		{
		/*
		* This section is used for non-initialized objects that
		* will not be cleared during the boot process.
		*/
		KERNEL_INPUT_SECTION(.noinit)
		KERNEL_INPUT_SECTION(".noinit.*")
		(".kernel_noinit.")
		}

		#include <arch/posix/native_tasks.ld>

		/* Related to transactional memory */
		SECTION_PROLOGUE(.tm_clone_table,,)
		{
		*(.tm_clone_table)
		}

		__data_ram_end = .;

		} INSERT AFTER .data;