include/asm-um/elf.h - kernel/msm-4.19 - Gitiles

 /*
  * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com)
  * Licensed under the GPL
  */
 #ifndef __UM_ELF_I386_H
 #define __UM_ELF_I386_H

 #include "user.h"

 #if defined(CONFIG_UML_X86) && !defined(CONFIG_64BIT)

 #define R_386_NONE	0
 #define R_386_32	1
 #define R_386_PC32	2
 #define R_386_GOT32	3
 #define R_386_PLT32	4
 #define R_386_COPY	5
 #define R_386_GLOB_DAT	6
 #define R_386_JMP_SLOT	7
 #define R_386_RELATIVE	8
 #define R_386_GOTOFF	9
 #define R_386_GOTPC	10
 #define R_386_NUM	11

 #elif defined(CONFIG_UML_X86) && defined(CONFIG_64BIT)

 /* x86-64 relocation types */
 #define R_X86_64_NONE		0	/* No reloc */
 #define R_X86_64_64		1	/* Direct 64 bit  */
 #define R_X86_64_PC32		2	/* PC relative 32 bit signed */
 #define R_X86_64_GOT32		3	/* 32 bit GOT entry */
 #define R_X86_64_PLT32		4	/* 32 bit PLT address */
 #define R_X86_64_COPY		5	/* Copy symbol at runtime */
 #define R_X86_64_GLOB_DAT	6	/* Create GOT entry */
 #define R_X86_64_JUMP_SLOT	7	/* Create PLT entry */
 #define R_X86_64_RELATIVE	8	/* Adjust by program base */
 #define R_X86_64_GOTPCREL	9	/* 32 bit signed pc relative
 					   offset to GOT */
 #define R_X86_64_32		10	/* Direct 32 bit zero extended */
 #define R_X86_64_32S		11	/* Direct 32 bit sign extended */
 #define R_X86_64_16		12	/* Direct 16 bit zero extended */
 #define R_X86_64_PC16		13	/* 16 bit sign extended pc relative */
 #define R_X86_64_8		14	/* Direct 8 bit sign extended  */
 #define R_X86_64_PC8		15	/* 8 bit sign extended pc relative */

 #define R_X86_64_NUM		16

 #endif

 typedef unsigned long elf_greg_t;

 #define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
 typedef elf_greg_t elf_gregset_t[ELF_NGREG];

 typedef struct user_i387_struct elf_fpregset_t;

 /*
  * This is used to ensure we don't load something for the wrong architecture.
  */
 #define elf_check_arch(x) \
 	(((x)->e_machine == EM_386) || ((x)->e_machine == EM_486))

 #define ELF_CLASS	ELFCLASS32
 #define ELF_DATA        ELFDATA2LSB
 #define ELF_ARCH        EM_386

 #define ELF_PLAT_INIT(regs, load_addr) do { \
 	PT_REGS_EBX(regs) = 0; \
 	PT_REGS_ECX(regs) = 0; \
 	PT_REGS_EDX(regs) = 0; \
 	PT_REGS_ESI(regs) = 0; \
 	PT_REGS_EDI(regs) = 0; \
 	PT_REGS_EBP(regs) = 0; \
 	PT_REGS_EAX(regs) = 0; \
 } while(0)

 #define USE_ELF_CORE_DUMP
 #define ELF_EXEC_PAGESIZE 4096

 #define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)

 /* Shamelessly stolen from include/asm-i386/elf.h */

 #define ELF_CORE_COPY_REGS(pr_reg, regs) do {	\
 	pr_reg[0] = PT_REGS_EBX(regs);		\
 	pr_reg[1] = PT_REGS_ECX(regs);		\
 	pr_reg[2] = PT_REGS_EDX(regs);		\
 	pr_reg[3] = PT_REGS_ESI(regs);		\
 	pr_reg[4] = PT_REGS_EDI(regs);		\
 	pr_reg[5] = PT_REGS_EBP(regs);		\
 	pr_reg[6] = PT_REGS_EAX(regs);		\
 	pr_reg[7] = PT_REGS_DS(regs);		\
 	pr_reg[8] = PT_REGS_ES(regs);		\
 	/* fake once used fs and gs selectors? */	\
 	pr_reg[9] = PT_REGS_DS(regs);		\
 	pr_reg[10] = PT_REGS_DS(regs);		\
 	pr_reg[11] = PT_REGS_SYSCALL_NR(regs);	\
 	pr_reg[12] = PT_REGS_IP(regs);		\
 	pr_reg[13] = PT_REGS_CS(regs);		\
 	pr_reg[14] = PT_REGS_EFLAGS(regs);	\
 	pr_reg[15] = PT_REGS_SP(regs);		\
 	pr_reg[16] = PT_REGS_SS(regs);		\
 } while(0);

 extern long elf_aux_hwcap;
 #define ELF_HWCAP (elf_aux_hwcap)

 extern char * elf_aux_platform;
 #define ELF_PLATFORM (elf_aux_platform)

 #define SET_PERSONALITY(ex, ibcs2) do ; while(0)

 extern unsigned long vsyscall_ehdr;
 extern unsigned long vsyscall_end;
 extern unsigned long __kernel_vsyscall;

 #define VSYSCALL_BASE vsyscall_ehdr
 #define VSYSCALL_END vsyscall_end

 /*
  * This is the range that is readable by user mode, and things
  * acting like user mode such as get_user_pages.
  */
 #define FIXADDR_USER_START      VSYSCALL_BASE
 #define FIXADDR_USER_END        VSYSCALL_END

 /*
  * Architecture-neutral AT_ values in 0-17, leave some room
  * for more of them, start the x86-specific ones at 32.
  */
 #define AT_SYSINFO		32
 #define AT_SYSINFO_EHDR		33

 #define ARCH_DLINFO						\
 do {								\
 	if ( vsyscall_ehdr ) {					\
 		NEW_AUX_ENT(AT_SYSINFO,	__kernel_vsyscall);	\
 		NEW_AUX_ENT(AT_SYSINFO_EHDR, vsyscall_ehdr);	\
 	}							\
 } while (0)

 /*
  * These macros parameterize elf_core_dump in fs/binfmt_elf.c to write out
  * extra segments containing the vsyscall DSO contents.  Dumping its
  * contents makes post-mortem fully interpretable later without matching up
  * the same kernel and hardware config to see what PC values meant.
  * Dumping its extra ELF program headers includes all the other information
  * a debugger needs to easily find how the vsyscall DSO was being used.
  */
 #define ELF_CORE_EXTRA_PHDRS						      \
 	(vsyscall_ehdr ? (((struct elfhdr *)vsyscall_ehdr)->e_phnum) : 0 )

 #define ELF_CORE_WRITE_EXTRA_PHDRS					      \
 if ( vsyscall_ehdr ) {							      \
 	const struct elfhdr *const ehdrp = (struct elfhdr *)vsyscall_ehdr;    \
 	const struct elf_phdr *const phdrp =				      \
 		(const struct elf_phdr *) (vsyscall_ehdr + ehdrp->e_phoff);   \
 	int i;								      \
 	Elf32_Off ofs = 0;						      \
 	for (i = 0; i < ehdrp->e_phnum; ++i) {				      \
 		struct elf_phdr phdr = phdrp[i];			      \
 		if (phdr.p_type == PT_LOAD) {				      \
 			ofs = phdr.p_offset = offset;			      \
 			offset += phdr.p_filesz;			      \
 		}							      \
 		else							      \
 			phdr.p_offset += ofs;				      \
 		phdr.p_paddr = 0; /* match other core phdrs */		      \
 		DUMP_WRITE(&phdr, sizeof(phdr));			      \
 	}								      \
 }
 #define ELF_CORE_WRITE_EXTRA_DATA					      \
 if ( vsyscall_ehdr ) {							      \
 	const struct elfhdr *const ehdrp = (struct elfhdr *)vsyscall_ehdr;    \
 	const struct elf_phdr *const phdrp =				      \
 		(const struct elf_phdr *) (vsyscall_ehdr + ehdrp->e_phoff);   \
 	int i;								      \
 	for (i = 0; i < ehdrp->e_phnum; ++i) {				      \
 		if (phdrp[i].p_type == PT_LOAD)				      \
 			DUMP_WRITE((void *) phdrp[i].p_vaddr,		      \
 				   phdrp[i].p_filesz);			      \
 	}								      \
 }

 #endif

 /*
  * Overrides for Emacs so that we follow Linus's tabbing style.
  * Emacs will notice this stuff at the end of the file and automatically
  * adjust the settings for this buffer only.  This must remain at the end
  * of the file.
  * ---------------------------------------------------------------------------
  * Local variables:
  * c-file-style: "linux"
  * End:
  */
	/*
	* Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com)
	* Licensed under the GPL
	*/
	#ifndef __UM_ELF_I386_H
	#define __UM_ELF_I386_H

	#include "user.h"

	#if defined(CONFIG_UML_X86) && !defined(CONFIG_64BIT)

	#define R_386_NONE 0
	#define R_386_32 1
	#define R_386_PC32 2
	#define R_386_GOT32 3
	#define R_386_PLT32 4
	#define R_386_COPY 5
	#define R_386_GLOB_DAT 6
	#define R_386_JMP_SLOT 7
	#define R_386_RELATIVE 8
	#define R_386_GOTOFF 9
	#define R_386_GOTPC 10
	#define R_386_NUM 11

	#elif defined(CONFIG_UML_X86) && defined(CONFIG_64BIT)

	/* x86-64 relocation types */
	#define R_X86_64_NONE 0 /* No reloc */
	#define R_X86_64_64 1 /* Direct 64 bit */
	#define R_X86_64_PC32 2 /* PC relative 32 bit signed */
	#define R_X86_64_GOT32 3 /* 32 bit GOT entry */
	#define R_X86_64_PLT32 4 /* 32 bit PLT address */
	#define R_X86_64_COPY 5 /* Copy symbol at runtime */
	#define R_X86_64_GLOB_DAT 6 /* Create GOT entry */
	#define R_X86_64_JUMP_SLOT 7 /* Create PLT entry */
	#define R_X86_64_RELATIVE 8 /* Adjust by program base */
	#define R_X86_64_GOTPCREL 9 /* 32 bit signed pc relative
	offset to GOT */
	#define R_X86_64_32 10 /* Direct 32 bit zero extended */
	#define R_X86_64_32S 11 /* Direct 32 bit sign extended */
	#define R_X86_64_16 12 /* Direct 16 bit zero extended */
	#define R_X86_64_PC16 13 /* 16 bit sign extended pc relative */
	#define R_X86_64_8 14 /* Direct 8 bit sign extended */
	#define R_X86_64_PC8 15 /* 8 bit sign extended pc relative */

	#define R_X86_64_NUM 16

	#endif

	typedef unsigned long elf_greg_t;

	#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
	typedef elf_greg_t elf_gregset_t[ELF_NGREG];

	typedef struct user_i387_struct elf_fpregset_t;

	/*
	* This is used to ensure we don't load something for the wrong architecture.
	*/
	#define elf_check_arch(x) \
	(((x)->e_machine == EM_386) \|\| ((x)->e_machine == EM_486))

	#define ELF_CLASS ELFCLASS32
	#define ELF_DATA ELFDATA2LSB
	#define ELF_ARCH EM_386

	#define ELF_PLAT_INIT(regs, load_addr) do { \
	PT_REGS_EBX(regs) = 0; \
	PT_REGS_ECX(regs) = 0; \
	PT_REGS_EDX(regs) = 0; \
	PT_REGS_ESI(regs) = 0; \
	PT_REGS_EDI(regs) = 0; \
	PT_REGS_EBP(regs) = 0; \
	PT_REGS_EAX(regs) = 0; \
	} while(0)

	#define USE_ELF_CORE_DUMP
	#define ELF_EXEC_PAGESIZE 4096

	#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)

	/* Shamelessly stolen from include/asm-i386/elf.h */

	#define ELF_CORE_COPY_REGS(pr_reg, regs) do { \
	pr_reg[0] = PT_REGS_EBX(regs); \
	pr_reg[1] = PT_REGS_ECX(regs); \
	pr_reg[2] = PT_REGS_EDX(regs); \
	pr_reg[3] = PT_REGS_ESI(regs); \
	pr_reg[4] = PT_REGS_EDI(regs); \
	pr_reg[5] = PT_REGS_EBP(regs); \
	pr_reg[6] = PT_REGS_EAX(regs); \
	pr_reg[7] = PT_REGS_DS(regs); \
	pr_reg[8] = PT_REGS_ES(regs); \
	/* fake once used fs and gs selectors? */ \
	pr_reg[9] = PT_REGS_DS(regs); \
	pr_reg[10] = PT_REGS_DS(regs); \
	pr_reg[11] = PT_REGS_SYSCALL_NR(regs); \
	pr_reg[12] = PT_REGS_IP(regs); \
	pr_reg[13] = PT_REGS_CS(regs); \
	pr_reg[14] = PT_REGS_EFLAGS(regs); \
	pr_reg[15] = PT_REGS_SP(regs); \
	pr_reg[16] = PT_REGS_SS(regs); \
	} while(0);

	extern long elf_aux_hwcap;
	#define ELF_HWCAP (elf_aux_hwcap)

	extern char * elf_aux_platform;
	#define ELF_PLATFORM (elf_aux_platform)

	#define SET_PERSONALITY(ex, ibcs2) do ; while(0)

	extern unsigned long vsyscall_ehdr;
	extern unsigned long vsyscall_end;
	extern unsigned long __kernel_vsyscall;

	#define VSYSCALL_BASE vsyscall_ehdr
	#define VSYSCALL_END vsyscall_end

	/*
	* This is the range that is readable by user mode, and things
	* acting like user mode such as get_user_pages.
	*/
	#define FIXADDR_USER_START VSYSCALL_BASE
	#define FIXADDR_USER_END VSYSCALL_END

	/*
	* Architecture-neutral AT_ values in 0-17, leave some room
	* for more of them, start the x86-specific ones at 32.
	*/
	#define AT_SYSINFO 32
	#define AT_SYSINFO_EHDR 33

	#define ARCH_DLINFO \
	do { \
	if ( vsyscall_ehdr ) { \
	NEW_AUX_ENT(AT_SYSINFO, __kernel_vsyscall); \
	NEW_AUX_ENT(AT_SYSINFO_EHDR, vsyscall_ehdr); \
	} \
	} while (0)

	/*
	* These macros parameterize elf_core_dump in fs/binfmt_elf.c to write out
	* extra segments containing the vsyscall DSO contents. Dumping its
	* contents makes post-mortem fully interpretable later without matching up
	* the same kernel and hardware config to see what PC values meant.
	* Dumping its extra ELF program headers includes all the other information
	* a debugger needs to easily find how the vsyscall DSO was being used.
	*/
	#define ELF_CORE_EXTRA_PHDRS \
	(vsyscall_ehdr ? (((struct elfhdr *)vsyscall_ehdr)->e_phnum) : 0 )

	#define ELF_CORE_WRITE_EXTRA_PHDRS \
	if ( vsyscall_ehdr ) { \
	const struct elfhdr const ehdrp = (struct elfhdr )vsyscall_ehdr; \
	const struct elf_phdr *const phdrp = \
	(const struct elf_phdr *) (vsyscall_ehdr + ehdrp->e_phoff); \
	int i; \
	Elf32_Off ofs = 0; \
	for (i = 0; i < ehdrp->e_phnum; ++i) { \
	struct elf_phdr phdr = phdrp[i]; \
	if (phdr.p_type == PT_LOAD) { \
	ofs = phdr.p_offset = offset; \
	offset += phdr.p_filesz; \
	} \
	else \
	phdr.p_offset += ofs; \
	phdr.p_paddr = 0; /* match other core phdrs */ \
	DUMP_WRITE(&phdr, sizeof(phdr)); \
	} \
	}
	#define ELF_CORE_WRITE_EXTRA_DATA \
	if ( vsyscall_ehdr ) { \
	const struct elfhdr const ehdrp = (struct elfhdr )vsyscall_ehdr; \
	const struct elf_phdr *const phdrp = \
	(const struct elf_phdr *) (vsyscall_ehdr + ehdrp->e_phoff); \
	int i; \
	for (i = 0; i < ehdrp->e_phnum; ++i) { \
	if (phdrp[i].p_type == PT_LOAD) \
	DUMP_WRITE((void *) phdrp[i].p_vaddr, \
	phdrp[i].p_filesz); \
	} \
	}

	#endif

	/*
	* Overrides for Emacs so that we follow Linus's tabbing style.
	* Emacs will notice this stuff at the end of the file and automatically
	* adjust the settings for this buffer only. This must remain at the end
	* of the file.
	* ---------------------------------------------------------------------------
	* Local variables:
	* c-file-style: "linux"
	* End:
	*/