1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef __ASMSPARC_ELF_H 3#define __ASMSPARC_ELF_H 4 5/* 6 * ELF register definitions.. 7 */ 8 9#include <asm/ptrace.h> 10 11/* 12 * Sparc section types 13 */ 14#define STT_REGISTER 13 15 16/* 17 * Sparc ELF relocation types 18 */ 19#define R_SPARC_NONE 0 20#define R_SPARC_8 1 21#define R_SPARC_16 2 22#define R_SPARC_32 3 23#define R_SPARC_DISP8 4 24#define R_SPARC_DISP16 5 25#define R_SPARC_DISP32 6 26#define R_SPARC_WDISP30 7 27#define R_SPARC_WDISP22 8 28#define R_SPARC_HI22 9 29#define R_SPARC_22 10 30#define R_SPARC_13 11 31#define R_SPARC_LO10 12 32#define R_SPARC_GOT10 13 33#define R_SPARC_GOT13 14 34#define R_SPARC_GOT22 15 35#define R_SPARC_PC10 16 36#define R_SPARC_PC22 17 37#define R_SPARC_WPLT30 18 38#define R_SPARC_COPY 19 39#define R_SPARC_GLOB_DAT 20 40#define R_SPARC_JMP_SLOT 21 41#define R_SPARC_RELATIVE 22 42#define R_SPARC_UA32 23 43#define R_SPARC_PLT32 24 44#define R_SPARC_HIPLT22 25 45#define R_SPARC_LOPLT10 26 46#define R_SPARC_PCPLT32 27 47#define R_SPARC_PCPLT22 28 48#define R_SPARC_PCPLT10 29 49#define R_SPARC_10 30 50#define R_SPARC_11 31 51#define R_SPARC_64 32 52#define R_SPARC_OLO10 33 53#define R_SPARC_WDISP16 40 54#define R_SPARC_WDISP19 41 55#define R_SPARC_7 43 56#define R_SPARC_5 44 57#define R_SPARC_6 45 58 59/* Bits present in AT_HWCAP, primarily for Sparc32. */ 60 61#define HWCAP_SPARC_FLUSH 1 /* CPU supports flush instruction. */ 62#define HWCAP_SPARC_STBAR 2 63#define HWCAP_SPARC_SWAP 4 64#define HWCAP_SPARC_MULDIV 8 65#define HWCAP_SPARC_V9 16 66#define HWCAP_SPARC_ULTRA3 32 67 68#define CORE_DUMP_USE_REGSET 69 70/* Format is: 71 * G0 --> G7 72 * O0 --> O7 73 * L0 --> L7 74 * I0 --> I7 75 * PSR, PC, nPC, Y, WIM, TBR 76 */ 77typedef unsigned long elf_greg_t; 78#define ELF_NGREG 38 79typedef elf_greg_t elf_gregset_t[ELF_NGREG]; 80 81typedef struct { 82 union { 83 unsigned long pr_regs[32]; 84 double pr_dregs[16]; 85 } pr_fr; 86 unsigned long __unused; 87 unsigned long pr_fsr; 88 unsigned char pr_qcnt; 89 unsigned char pr_q_entrysize; 90 unsigned char pr_en; 91 unsigned int pr_q[64]; 92} elf_fpregset_t; 93 94#include <asm/mbus.h> 95 96/* 97 * This is used to ensure we don't load something for the wrong architecture. 98 */ 99#define elf_check_arch(x) ((x)->e_machine == EM_SPARC) 100 101/* 102 * These are used to set parameters in the core dumps. 103 */ 104#define ELF_ARCH EM_SPARC 105#define ELF_CLASS ELFCLASS32 106#define ELF_DATA ELFDATA2MSB 107 108#define ELF_EXEC_PAGESIZE 4096 109 110 111/* This is the location that an ET_DYN program is loaded if exec'ed. Typical 112 use of this is to invoke "./ld.so someprog" to test out a new version of 113 the loader. We need to make sure that it is out of the way of the program 114 that it will "exec", and that there is sufficient room for the brk. */ 115 116#define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE) 117 118/* This yields a mask that user programs can use to figure out what 119 instruction set this cpu supports. This can NOT be done in userspace 120 on Sparc. */ 121 122/* Most sun4m's have them all. */ 123#define ELF_HWCAP (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \ 124 HWCAP_SPARC_SWAP | HWCAP_SPARC_MULDIV) 125 126/* This yields a string that ld.so will use to load implementation 127 specific libraries for optimization. This is more specific in 128 intent than poking at uname or /proc/cpuinfo. */ 129 130#define ELF_PLATFORM (NULL) 131 132#endif /* !(__ASMSPARC_ELF_H) */ 133