add arm64 support

- add arm64 dependent codes with GICv3 and SVE support
- fix bugs based on architecture separation requests

kernel/include/elfcore.h

@@ -0,0 +1,119 @@
+/* elfcore.h COPYRIGHT FUJITSU LIMITED 2015-2016 */
+#ifdef POSTK_DEBUG_ARCH_DEP_18 /* coredump arch separation. */
+#ifndef __HEADER_ELFCORE_H
+#define __HEADER_ELFCORE_H
+
+/*
+ * Structures and definitions for ELF core file.
+ * Extracted from 
+ * System V Application Binary Interface - DRAFT - 10 June 2013,
+ * http://www.sco.com/developers/gabi/latest/contents.html
+ */
+#include <ihk/types.h>
+
+typedef	uint16_t	Elf64_Half;
+typedef	uint32_t	Elf64_Word;
+typedef	uint64_t	Elf64_Xword;
+typedef	uint64_t	Elf64_Addr;
+typedef	uint64_t	Elf64_Off;
+
+#define	EI_NIDENT	16
+
+typedef struct {
+	unsigned char e_ident[EI_NIDENT];
+	Elf64_Half e_type;
+	Elf64_Half e_machine;
+	Elf64_Word e_version;
+	Elf64_Addr e_entry;
+	Elf64_Off e_phoff;
+	Elf64_Off e_shoff;
+	Elf64_Word e_flags;
+	Elf64_Half e_ehsize;
+	Elf64_Half e_phentsize;
+	Elf64_Half e_phnum;
+	Elf64_Half e_shentsize;
+	Elf64_Half e_shnum;
+	Elf64_Half e_shstrndx;
+} Elf64_Ehdr;
+
+/* e_ident table defined. */
+/* offset */
+#define EI_MAG0		0
+#define EI_MAG1		1
+#define EI_MAG2		2
+#define EI_MAG3		3
+#define EI_CLASS	4
+#define EI_DATA		5
+#define EI_VERSION	6
+#define EI_OSABI	7
+#define EI_ABIVERSION	8
+#define EI_PAD		9
+
+/* EI_MAG */
+#define ELFMAG0		0x7f
+#define ELFMAG1		'E'
+#define ELFMAG2		'L'
+#define ELFMAG3		'F'
+
+/* EI_CLASS */
+#define ELFCLASS64		2	/* 64-bit object */
+
+/* EI_DATA */
+#define ELFDATA2LSB		1	/* LSB */
+#define ELFDATA2MSB		2	/* MSB */
+
+/* EI_VERSION */
+#define El_VERSION		1	/* defined to be the same as EV CURRENT */
+#define EV_CURRENT		1	/* Current version */
+
+/* EI_OSABI */
+#define ELFOSABI_NONE		0	/* unspecied */
+
+/* EI_ABIVERSION */
+#define El_ABIVERSION_NONE	0	/* unspecied */
+
+/* e_type defined */
+#define ET_CORE			4	/* Core file */
+
+typedef struct {
+	Elf64_Word p_type;
+	Elf64_Word p_flags;
+	Elf64_Off p_offset;
+	Elf64_Addr p_vaddr;
+	Elf64_Addr p_paddr;
+	Elf64_Xword p_filesz;
+	Elf64_Xword p_memsz;
+	Elf64_Xword p_align;
+} Elf64_Phdr;
+
+#define PT_LOAD		1
+#define PT_NOTE		4
+
+#define PF_X		1	/* executable bit */
+#define PF_W		2	/* writable bit */
+#define PF_R		4	/* readable bit */
+
+struct note {
+	Elf64_Word namesz;
+	Elf64_Word descsz;
+	Elf64_Word type;
+	/* name char[namesz] and desc[descsz] */
+};
+
+#define NT_PRSTATUS	1
+#ifdef POSTK_DEBUG_ARCH_DEP_18 /* coredump arch separation. */
+#define NT_PRFPREG	2
+#else /* POSTK_DEBUG_ARCH_DEP_18 */
+#define NT_PRFRPREG	2
+#endif /* POSTK_DEBUG_ARCH_DEP_18 */
+#define NT_PRPSINFO	3
+#define NT_AUXV		6
+
+#include "elfcoregpl.h"
+
+/* functions */
+struct thread;
+extern void arch_fill_prstatus(struct elf_prstatus64 *prstatus, struct thread *thread, void *regs0);
+
+#endif /* __HEADER_ELFCORE_H */
+#endif /* POSTK_DEBUG_ARCH_DEP_18 */