1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef __ASM_H8300_ELF_H 3*4882a593Smuzhiyun #define __ASM_H8300_ELF_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun /* 6*4882a593Smuzhiyun * ELF register definitions.. 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <asm/ptrace.h> 10*4882a593Smuzhiyun #include <asm/user.h> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun typedef unsigned long elf_greg_t; 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t)) 15*4882a593Smuzhiyun typedef elf_greg_t elf_gregset_t[ELF_NGREG]; 16*4882a593Smuzhiyun typedef unsigned long elf_fpregset_t; 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun /* 19*4882a593Smuzhiyun * This is used to ensure we don't load something for the wrong architecture. 20*4882a593Smuzhiyun */ 21*4882a593Smuzhiyun #define elf_check_arch(x) ((x)->e_machine == EM_H8_300) 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun /* 24*4882a593Smuzhiyun * These are used to set parameters in the core dumps. 25*4882a593Smuzhiyun */ 26*4882a593Smuzhiyun #define ELF_CLASS ELFCLASS32 27*4882a593Smuzhiyun #define ELF_DATA ELFDATA2MSB 28*4882a593Smuzhiyun #define ELF_ARCH EM_H8_300 29*4882a593Smuzhiyun #if defined(CONFIG_CPU_H8300H) 30*4882a593Smuzhiyun #define ELF_CORE_EFLAGS 0x810000 31*4882a593Smuzhiyun #endif 32*4882a593Smuzhiyun #if defined(CONFIG_CPU_H8S) 33*4882a593Smuzhiyun #define ELF_CORE_EFLAGS 0x820000 34*4882a593Smuzhiyun #endif 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun #define ELF_PLAT_INIT(_r) do { (_r)->er1 = 0; } while (0) 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun #define ELF_EXEC_PAGESIZE 4096 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun /* This is the location that an ET_DYN program is loaded if exec'ed. Typical 41*4882a593Smuzhiyun use of this is to invoke "./ld.so someprog" to test out a new version of 42*4882a593Smuzhiyun the loader. We need to make sure that it is out of the way of the program 43*4882a593Smuzhiyun that it will "exec", and that there is sufficient room for the brk. */ 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun #define ELF_ET_DYN_BASE 0xD0000000UL 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun /* This yields a mask that user programs can use to figure out what 48*4882a593Smuzhiyun instruction set this cpu supports. */ 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun #define ELF_HWCAP (0) 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun /* This yields a string that ld.so will use to load implementation 53*4882a593Smuzhiyun specific libraries for optimization. This is more specific in 54*4882a593Smuzhiyun intent than poking at uname or /proc/cpuinfo. */ 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun #define ELF_PLATFORM (NULL) 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun #define R_H8_NONE 0 59*4882a593Smuzhiyun #define R_H8_DIR32 1 60*4882a593Smuzhiyun #define R_H8_DIR32_28 2 61*4882a593Smuzhiyun #define R_H8_DIR32_24 3 62*4882a593Smuzhiyun #define R_H8_DIR32_16 4 63*4882a593Smuzhiyun #define R_H8_DIR32U 6 64*4882a593Smuzhiyun #define R_H8_DIR32U_28 7 65*4882a593Smuzhiyun #define R_H8_DIR32U_24 8 66*4882a593Smuzhiyun #define R_H8_DIR32U_20 9 67*4882a593Smuzhiyun #define R_H8_DIR32U_16 10 68*4882a593Smuzhiyun #define R_H8_DIR24 11 69*4882a593Smuzhiyun #define R_H8_DIR24_20 12 70*4882a593Smuzhiyun #define R_H8_DIR24_16 13 71*4882a593Smuzhiyun #define R_H8_DIR24U 14 72*4882a593Smuzhiyun #define R_H8_DIR24U_20 15 73*4882a593Smuzhiyun #define R_H8_DIR24U_16 16 74*4882a593Smuzhiyun #define R_H8_DIR16 17 75*4882a593Smuzhiyun #define R_H8_DIR16U 18 76*4882a593Smuzhiyun #define R_H8_DIR16S_32 19 77*4882a593Smuzhiyun #define R_H8_DIR16S_28 20 78*4882a593Smuzhiyun #define R_H8_DIR16S_24 21 79*4882a593Smuzhiyun #define R_H8_DIR16S_20 22 80*4882a593Smuzhiyun #define R_H8_DIR16S 23 81*4882a593Smuzhiyun #define R_H8_DIR8 24 82*4882a593Smuzhiyun #define R_H8_DIR8U 25 83*4882a593Smuzhiyun #define R_H8_DIR8Z_32 26 84*4882a593Smuzhiyun #define R_H8_DIR8Z_28 27 85*4882a593Smuzhiyun #define R_H8_DIR8Z_24 28 86*4882a593Smuzhiyun #define R_H8_DIR8Z_20 29 87*4882a593Smuzhiyun #define R_H8_DIR8Z_16 30 88*4882a593Smuzhiyun #define R_H8_PCREL16 31 89*4882a593Smuzhiyun #define R_H8_PCREL8 32 90*4882a593Smuzhiyun #define R_H8_BPOS 33 91*4882a593Smuzhiyun #define R_H8_PCREL32 34 92*4882a593Smuzhiyun #define R_H8_GOT32O 35 93*4882a593Smuzhiyun #define R_H8_GOT16O 36 94*4882a593Smuzhiyun #define R_H8_DIR16A8 59 95*4882a593Smuzhiyun #define R_H8_DIR16R8 60 96*4882a593Smuzhiyun #define R_H8_DIR24A8 61 97*4882a593Smuzhiyun #define R_H8_DIR24R8 62 98*4882a593Smuzhiyun #define R_H8_DIR32A16 63 99*4882a593Smuzhiyun #define R_H8_ABS32 65 100*4882a593Smuzhiyun #define R_H8_ABS32A16 127 101*4882a593Smuzhiyun 102*4882a593Smuzhiyun #endif 103