1 #ifndef __ASM_SPARC64_ELF_H 2 #define __ASM_SPARC64_ELF_H 3 4 /* 5 * ELF register definitions.. 6 */ 7 8 #include <asm/ptrace.h> 9 #include <asm/processor.h> 10 #include <asm/uaccess.h> 11 #include <asm/spitfire.h> 12 13 /* 14 * Sparc section types 15 */ 16 #define STT_REGISTER 13 17 18 /* 19 * Sparc ELF relocation types 20 */ 21 #define R_SPARC_NONE 0 22 #define R_SPARC_8 1 23 #define R_SPARC_16 2 24 #define R_SPARC_32 3 25 #define R_SPARC_DISP8 4 26 #define R_SPARC_DISP16 5 27 #define R_SPARC_DISP32 6 28 #define R_SPARC_WDISP30 7 29 #define R_SPARC_WDISP22 8 30 #define R_SPARC_HI22 9 31 #define R_SPARC_22 10 32 #define R_SPARC_13 11 33 #define R_SPARC_LO10 12 34 #define R_SPARC_GOT10 13 35 #define R_SPARC_GOT13 14 36 #define R_SPARC_GOT22 15 37 #define R_SPARC_PC10 16 38 #define R_SPARC_PC22 17 39 #define R_SPARC_WPLT30 18 40 #define R_SPARC_COPY 19 41 #define R_SPARC_GLOB_DAT 20 42 #define R_SPARC_JMP_SLOT 21 43 #define R_SPARC_RELATIVE 22 44 #define R_SPARC_UA32 23 45 #define R_SPARC_PLT32 24 46 #define R_SPARC_HIPLT22 25 47 #define R_SPARC_LOPLT10 26 48 #define R_SPARC_PCPLT32 27 49 #define R_SPARC_PCPLT22 28 50 #define R_SPARC_PCPLT10 29 51 #define R_SPARC_10 30 52 #define R_SPARC_11 31 53 #define R_SPARC_64 32 54 #define R_SPARC_OLO10 33 55 #define R_SPARC_WDISP16 40 56 #define R_SPARC_WDISP19 41 57 #define R_SPARC_7 43 58 #define R_SPARC_5 44 59 #define R_SPARC_6 45 60 61 /* Bits present in AT_HWCAP, primarily for Sparc32. */ 62 #define HWCAP_SPARC_FLUSH 0x00000001 63 #define HWCAP_SPARC_STBAR 0x00000002 64 #define HWCAP_SPARC_SWAP 0x00000004 65 #define HWCAP_SPARC_MULDIV 0x00000008 66 #define HWCAP_SPARC_V9 0x00000010 67 #define HWCAP_SPARC_ULTRA3 0x00000020 68 #define HWCAP_SPARC_BLKINIT 0x00000040 69 #define HWCAP_SPARC_N2 0x00000080 70 71 /* Solaris compatible AT_HWCAP bits. */ 72 #define AV_SPARC_MUL32 0x00000100 /* 32x32 multiply is efficient */ 73 #define AV_SPARC_DIV32 0x00000200 /* 32x32 divide is efficient */ 74 #define AV_SPARC_FSMULD 0x00000400 /* 'fsmuld' is efficient */ 75 #define AV_SPARC_V8PLUS 0x00000800 /* v9 insn available to 32bit */ 76 #define AV_SPARC_POPC 0x00001000 /* 'popc' is efficient */ 77 #define AV_SPARC_VIS 0x00002000 /* VIS insns available */ 78 #define AV_SPARC_VIS2 0x00004000 /* VIS2 insns available */ 79 #define AV_SPARC_ASI_BLK_INIT 0x00008000 /* block init ASIs available */ 80 #define AV_SPARC_FMAF 0x00010000 /* fused multiply-add */ 81 #define AV_SPARC_VIS3 0x00020000 /* VIS3 insns available */ 82 #define AV_SPARC_HPC 0x00040000 /* HPC insns available */ 83 #define AV_SPARC_RANDOM 0x00080000 /* 'random' insn available */ 84 #define AV_SPARC_TRANS 0x00100000 /* transaction insns available */ 85 #define AV_SPARC_FJFMAU 0x00200000 /* unfused multiply-add */ 86 #define AV_SPARC_IMA 0x00400000 /* integer multiply-add */ 87 #define AV_SPARC_ASI_CACHE_SPARING \ 88 0x00800000 /* cache sparing ASIs available */ 89 #define AV_SPARC_PAUSE 0x01000000 /* PAUSE available */ 90 #define AV_SPARC_CBCOND 0x02000000 /* CBCOND insns available */ 91 92 /* Solaris decided to enumerate every single crypto instruction type 93 * in the AT_HWCAP bits. This is wasteful, since if crypto is present, 94 * you still need to look in the CFR register to see if the opcode is 95 * really available. So we simply advertise only "crypto" support. 96 */ 97 #define HWCAP_SPARC_CRYPTO 0x04000000 /* CRYPTO insns available */ 98 #define HWCAP_SPARC_ADI 0x08000000 /* ADI available */ 99 100 #define CORE_DUMP_USE_REGSET 101 102 /* 103 * These are used to set parameters in the core dumps. 104 */ 105 #define ELF_ARCH EM_SPARCV9 106 #define ELF_CLASS ELFCLASS64 107 #define ELF_DATA ELFDATA2MSB 108 109 /* Format of 64-bit elf_gregset_t is: 110 * G0 --> G7 111 * O0 --> O7 112 * L0 --> L7 113 * I0 --> I7 114 * TSTATE 115 * TPC 116 * TNPC 117 * Y 118 */ 119 typedef unsigned long elf_greg_t; 120 #define ELF_NGREG 36 121 typedef elf_greg_t elf_gregset_t[ELF_NGREG]; 122 123 typedef struct { 124 unsigned long pr_regs[32]; 125 unsigned long pr_fsr; 126 unsigned long pr_gsr; 127 unsigned long pr_fprs; 128 } elf_fpregset_t; 129 130 /* Format of 32-bit elf_gregset_t is: 131 * G0 --> G7 132 * O0 --> O7 133 * L0 --> L7 134 * I0 --> I7 135 * PSR, PC, nPC, Y, WIM, TBR 136 */ 137 typedef unsigned int compat_elf_greg_t; 138 #define COMPAT_ELF_NGREG 38 139 typedef compat_elf_greg_t compat_elf_gregset_t[COMPAT_ELF_NGREG]; 140 141 typedef struct { 142 union { 143 unsigned int pr_regs[32]; 144 unsigned long pr_dregs[16]; 145 } pr_fr; 146 unsigned int __unused; 147 unsigned int pr_fsr; 148 unsigned char pr_qcnt; 149 unsigned char pr_q_entrysize; 150 unsigned char pr_en; 151 unsigned int pr_q[64]; 152 } compat_elf_fpregset_t; 153 154 /* UltraSparc extensions. Still unused, but will be eventually. */ 155 typedef struct { 156 unsigned int pr_type; 157 unsigned int pr_align; 158 union { 159 struct { 160 union { 161 unsigned int pr_regs[32]; 162 unsigned long pr_dregs[16]; 163 long double pr_qregs[8]; 164 } pr_xfr; 165 } pr_v8p; 166 unsigned int pr_xfsr; 167 unsigned int pr_fprs; 168 unsigned int pr_xg[8]; 169 unsigned int pr_xo[8]; 170 unsigned long pr_tstate; 171 unsigned int pr_filler[8]; 172 } pr_un; 173 } elf_xregset_t; 174 175 /* 176 * This is used to ensure we don't load something for the wrong architecture. 177 */ 178 #define elf_check_arch(x) ((x)->e_machine == ELF_ARCH) 179 #define compat_elf_check_arch(x) ((x)->e_machine == EM_SPARC || \ 180 (x)->e_machine == EM_SPARC32PLUS) 181 #define compat_start_thread start_thread32 182 183 #define ELF_EXEC_PAGESIZE PAGE_SIZE 184 185 /* This is the location that an ET_DYN program is loaded if exec'ed. Typical 186 use of this is to invoke "./ld.so someprog" to test out a new version of 187 the loader. We need to make sure that it is out of the way of the program 188 that it will "exec", and that there is sufficient room for the brk. */ 189 190 #define ELF_ET_DYN_BASE 0x0000010000000000UL 191 #define COMPAT_ELF_ET_DYN_BASE 0x0000000070000000UL 192 193 extern unsigned long sparc64_elf_hwcap; 194 #define ELF_HWCAP sparc64_elf_hwcap 195 196 /* This yields a string that ld.so will use to load implementation 197 specific libraries for optimization. This is more specific in 198 intent than poking at uname or /proc/cpuinfo. */ 199 200 #define ELF_PLATFORM (NULL) 201 202 #define SET_PERSONALITY(ex) \ 203 do { if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \ 204 set_thread_flag(TIF_32BIT); \ 205 else \ 206 clear_thread_flag(TIF_32BIT); \ 207 /* flush_thread will update pgd cache */ \ 208 if (personality(current->personality) != PER_LINUX32) \ 209 set_personality(PER_LINUX | \ 210 (current->personality & (~PER_MASK))); \ 211 } while (0) 212 213 #endif /* !(__ASM_SPARC64_ELF_H) */ 214