add new system file

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2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/s390/kernel/vmlinux.lds.S
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@@ -15,7 +15,12 @@
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 /* Handle ro_after_init data on our own. */
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 #define RO_AFTER_INIT_DATA
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+#define RUNTIME_DISCARD_EXIT
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+
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+#define EMITS_PT_NOTE
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+
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 #include <asm-generic/vmlinux.lds.h>
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+#include <asm/vmlinux.lds.h>
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 OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390")
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 OUTPUT_ARCH(s390:64-bit)
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@@ -49,11 +54,7 @@
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 		_etext = .;		/* End of text section */
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 	} :text = 0x0700
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-	NOTES :text :note
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-
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-	.dummy : { *(.dummy) } :data
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-
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-	RO_DATA_SECTION(PAGE_SIZE)
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+	RO_DATA(PAGE_SIZE)
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 	. = ALIGN(PAGE_SIZE);
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 	_sdata = .;		/* Start of data section */
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@@ -62,12 +63,14 @@
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 	__start_ro_after_init = .;
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 	.data..ro_after_init : {
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 		 *(.data..ro_after_init)
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-	}
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+		JUMP_TABLE_DATA
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+	} :data
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 	EXCEPTION_TABLE(16)
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 	. = ALIGN(PAGE_SIZE);
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 	__end_ro_after_init = .;
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-	RW_DATA_SECTION(0x100, PAGE_SIZE, THREAD_SIZE)
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+	RW_DATA(0x100, PAGE_SIZE, THREAD_SIZE)
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+	BOOT_DATA_PRESERVED
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 	_edata = .;		/* End of data section */
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@@ -121,6 +124,7 @@
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 	/*
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 	 * Table with the patch locations to undo expolines
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 	*/
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+	. = ALIGN(4);
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 	.nospec_call_table : {
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 		__nospec_call_start = . ;
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 		*(.s390_indirect*)
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@@ -132,11 +136,25 @@
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 		__nospec_return_end = . ;
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 	}
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+	BOOT_DATA
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+
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 	/* early.c uses stsi, which requires page aligned data. */
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 	. = ALIGN(PAGE_SIZE);
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 	INIT_DATA_SECTION(0x100)
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 	PERCPU_SECTION(0x100)
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+
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+	.dynsym ALIGN(8) : {
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+		__dynsym_start = .;
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+		*(.dynsym)
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+		__dynsym_end = .;
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+	}
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+	.rela.dyn ALIGN(8) : {
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+		__rela_dyn_start = .;
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+		*(.rela*)
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+		__rela_dyn_end = .;
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+	}
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+
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 	. = ALIGN(PAGE_SIZE);
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 	__init_end = .;		/* freed after init ends here */
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@@ -144,13 +162,34 @@
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 	_end = . ;
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+	/*
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+	 * uncompressed image info used by the decompressor
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+	 * it should match struct vmlinux_info
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+	 */
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+	.vmlinux.info 0 (INFO) : {
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+		QUAD(_stext)					/* default_lma */
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+		QUAD(startup_continue)				/* entry */
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+		QUAD(__bss_start - _stext)			/* image_size */
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+		QUAD(__bss_stop - __bss_start)			/* bss_size */
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+		QUAD(__boot_data_start)				/* bootdata_off */
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+		QUAD(__boot_data_end - __boot_data_start)	/* bootdata_size */
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+		QUAD(__boot_data_preserved_start)		/* bootdata_preserved_off */
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+		QUAD(__boot_data_preserved_end -
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+		     __boot_data_preserved_start)		/* bootdata_preserved_size */
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+		QUAD(__dynsym_start)				/* dynsym_start */
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+		QUAD(__rela_dyn_start)				/* rela_dyn_start */
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+		QUAD(__rela_dyn_end)				/* rela_dyn_end */
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+	} :NONE
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+
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 	/* Debugging sections.	*/
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 	STABS_DEBUG
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 	DWARF_DEBUG
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+	ELF_DETAILS
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 	/* Sections to be discarded */
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 	DISCARDS
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 	/DISCARD/ : {
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 		*(.eh_frame)
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+		*(.interp)
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 	}
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 }