1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef __ASM_H8300_ELF_H 3#define __ASM_H8300_ELF_H 4 5/* 6 * ELF register definitions.. 7 */ 8 9#include <asm/ptrace.h> 10#include <asm/user.h> 11 12typedef unsigned long elf_greg_t; 13 14#define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t)) 15typedef elf_greg_t elf_gregset_t[ELF_NGREG]; 16typedef unsigned long elf_fpregset_t; 17 18/* 19 * This is used to ensure we don't load something for the wrong architecture. 20 */ 21#define elf_check_arch(x) ((x)->e_machine == EM_H8_300) 22 23/* 24 * These are used to set parameters in the core dumps. 25 */ 26#define ELF_CLASS ELFCLASS32 27#define ELF_DATA ELFDATA2MSB 28#define ELF_ARCH EM_H8_300 29#if defined(CONFIG_CPU_H8300H) 30#define ELF_CORE_EFLAGS 0x810000 31#endif 32#if defined(CONFIG_CPU_H8S) 33#define ELF_CORE_EFLAGS 0x820000 34#endif 35 36#define ELF_PLAT_INIT(_r) do { (_r)->er1 = 0; } while (0) 37 38#define ELF_EXEC_PAGESIZE 4096 39 40/* This is the location that an ET_DYN program is loaded if exec'ed. Typical 41 use of this is to invoke "./ld.so someprog" to test out a new version of 42 the loader. We need to make sure that it is out of the way of the program 43 that it will "exec", and that there is sufficient room for the brk. */ 44 45#define ELF_ET_DYN_BASE 0xD0000000UL 46 47/* This yields a mask that user programs can use to figure out what 48 instruction set this cpu supports. */ 49 50#define ELF_HWCAP (0) 51 52/* This yields a string that ld.so will use to load implementation 53 specific libraries for optimization. This is more specific in 54 intent than poking at uname or /proc/cpuinfo. */ 55 56#define ELF_PLATFORM (NULL) 57 58#define R_H8_NONE 0 59#define R_H8_DIR32 1 60#define R_H8_DIR32_28 2 61#define R_H8_DIR32_24 3 62#define R_H8_DIR32_16 4 63#define R_H8_DIR32U 6 64#define R_H8_DIR32U_28 7 65#define R_H8_DIR32U_24 8 66#define R_H8_DIR32U_20 9 67#define R_H8_DIR32U_16 10 68#define R_H8_DIR24 11 69#define R_H8_DIR24_20 12 70#define R_H8_DIR24_16 13 71#define R_H8_DIR24U 14 72#define R_H8_DIR24U_20 15 73#define R_H8_DIR24U_16 16 74#define R_H8_DIR16 17 75#define R_H8_DIR16U 18 76#define R_H8_DIR16S_32 19 77#define R_H8_DIR16S_28 20 78#define R_H8_DIR16S_24 21 79#define R_H8_DIR16S_20 22 80#define R_H8_DIR16S 23 81#define R_H8_DIR8 24 82#define R_H8_DIR8U 25 83#define R_H8_DIR8Z_32 26 84#define R_H8_DIR8Z_28 27 85#define R_H8_DIR8Z_24 28 86#define R_H8_DIR8Z_20 29 87#define R_H8_DIR8Z_16 30 88#define R_H8_PCREL16 31 89#define R_H8_PCREL8 32 90#define R_H8_BPOS 33 91#define R_H8_PCREL32 34 92#define R_H8_GOT32O 35 93#define R_H8_GOT16O 36 94#define R_H8_DIR16A8 59 95#define R_H8_DIR16R8 60 96#define R_H8_DIR24A8 61 97#define R_H8_DIR24R8 62 98#define R_H8_DIR32A16 63 99#define R_H8_ABS32 65 100#define R_H8_ABS32A16 127 101 102#endif 103