Becky Bruce | a99eb2e | 2005-09-19 19:17:27 -0500 | [diff] [blame] | 1 | #ifndef _ASM_POWERPC_ELF_H |
| 2 | #define _ASM_POWERPC_ELF_H |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | |
Arnd Bergmann | 88ced03 | 2005-12-16 22:43:46 +0100 | [diff] [blame] | 4 | #ifdef __KERNEL__ |
Tim Schmielau | 8c65b4a | 2005-11-07 00:59:43 -0800 | [diff] [blame] | 5 | #include <linux/sched.h> /* for task_struct */ |
David Woodhouse | dd02ec3 | 2006-04-25 13:51:52 +0100 | [diff] [blame] | 6 | #include <asm/page.h> |
| 7 | #include <asm/string.h> |
Arnd Bergmann | 88ced03 | 2005-12-16 22:43:46 +0100 | [diff] [blame] | 8 | #endif |
| 9 | |
Kumar Gala | 812d904 | 2009-02-11 19:09:56 +0000 | [diff] [blame] | 10 | #include <linux/types.h> |
| 11 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | #include <asm/ptrace.h> |
| 13 | #include <asm/cputable.h> |
H. J. Lu | 36d57ac | 2005-09-06 15:16:49 -0700 | [diff] [blame] | 14 | #include <asm/auxvec.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | |
| 16 | /* PowerPC relocations defined by the ABIs */ |
| 17 | #define R_PPC_NONE 0 |
| 18 | #define R_PPC_ADDR32 1 /* 32bit absolute address */ |
| 19 | #define R_PPC_ADDR24 2 /* 26bit address, 2 bits ignored. */ |
| 20 | #define R_PPC_ADDR16 3 /* 16bit absolute address */ |
| 21 | #define R_PPC_ADDR16_LO 4 /* lower 16bit of absolute address */ |
| 22 | #define R_PPC_ADDR16_HI 5 /* high 16bit of absolute address */ |
| 23 | #define R_PPC_ADDR16_HA 6 /* adjusted high 16bit */ |
| 24 | #define R_PPC_ADDR14 7 /* 16bit address, 2 bits ignored */ |
| 25 | #define R_PPC_ADDR14_BRTAKEN 8 |
| 26 | #define R_PPC_ADDR14_BRNTAKEN 9 |
| 27 | #define R_PPC_REL24 10 /* PC relative 26 bit */ |
| 28 | #define R_PPC_REL14 11 /* PC relative 16 bit */ |
| 29 | #define R_PPC_REL14_BRTAKEN 12 |
| 30 | #define R_PPC_REL14_BRNTAKEN 13 |
| 31 | #define R_PPC_GOT16 14 |
| 32 | #define R_PPC_GOT16_LO 15 |
| 33 | #define R_PPC_GOT16_HI 16 |
| 34 | #define R_PPC_GOT16_HA 17 |
| 35 | #define R_PPC_PLTREL24 18 |
| 36 | #define R_PPC_COPY 19 |
| 37 | #define R_PPC_GLOB_DAT 20 |
| 38 | #define R_PPC_JMP_SLOT 21 |
| 39 | #define R_PPC_RELATIVE 22 |
| 40 | #define R_PPC_LOCAL24PC 23 |
| 41 | #define R_PPC_UADDR32 24 |
| 42 | #define R_PPC_UADDR16 25 |
| 43 | #define R_PPC_REL32 26 |
| 44 | #define R_PPC_PLT32 27 |
| 45 | #define R_PPC_PLTREL32 28 |
| 46 | #define R_PPC_PLT16_LO 29 |
| 47 | #define R_PPC_PLT16_HI 30 |
| 48 | #define R_PPC_PLT16_HA 31 |
| 49 | #define R_PPC_SDAREL16 32 |
| 50 | #define R_PPC_SECTOFF 33 |
| 51 | #define R_PPC_SECTOFF_LO 34 |
| 52 | #define R_PPC_SECTOFF_HI 35 |
| 53 | #define R_PPC_SECTOFF_HA 36 |
| 54 | |
| 55 | /* PowerPC relocations defined for the TLS access ABI. */ |
| 56 | #define R_PPC_TLS 67 /* none (sym+add)@tls */ |
| 57 | #define R_PPC_DTPMOD32 68 /* word32 (sym+add)@dtpmod */ |
| 58 | #define R_PPC_TPREL16 69 /* half16* (sym+add)@tprel */ |
| 59 | #define R_PPC_TPREL16_LO 70 /* half16 (sym+add)@tprel@l */ |
| 60 | #define R_PPC_TPREL16_HI 71 /* half16 (sym+add)@tprel@h */ |
| 61 | #define R_PPC_TPREL16_HA 72 /* half16 (sym+add)@tprel@ha */ |
| 62 | #define R_PPC_TPREL32 73 /* word32 (sym+add)@tprel */ |
| 63 | #define R_PPC_DTPREL16 74 /* half16* (sym+add)@dtprel */ |
| 64 | #define R_PPC_DTPREL16_LO 75 /* half16 (sym+add)@dtprel@l */ |
| 65 | #define R_PPC_DTPREL16_HI 76 /* half16 (sym+add)@dtprel@h */ |
| 66 | #define R_PPC_DTPREL16_HA 77 /* half16 (sym+add)@dtprel@ha */ |
| 67 | #define R_PPC_DTPREL32 78 /* word32 (sym+add)@dtprel */ |
| 68 | #define R_PPC_GOT_TLSGD16 79 /* half16* (sym+add)@got@tlsgd */ |
| 69 | #define R_PPC_GOT_TLSGD16_LO 80 /* half16 (sym+add)@got@tlsgd@l */ |
| 70 | #define R_PPC_GOT_TLSGD16_HI 81 /* half16 (sym+add)@got@tlsgd@h */ |
| 71 | #define R_PPC_GOT_TLSGD16_HA 82 /* half16 (sym+add)@got@tlsgd@ha */ |
| 72 | #define R_PPC_GOT_TLSLD16 83 /* half16* (sym+add)@got@tlsld */ |
| 73 | #define R_PPC_GOT_TLSLD16_LO 84 /* half16 (sym+add)@got@tlsld@l */ |
| 74 | #define R_PPC_GOT_TLSLD16_HI 85 /* half16 (sym+add)@got@tlsld@h */ |
| 75 | #define R_PPC_GOT_TLSLD16_HA 86 /* half16 (sym+add)@got@tlsld@ha */ |
| 76 | #define R_PPC_GOT_TPREL16 87 /* half16* (sym+add)@got@tprel */ |
| 77 | #define R_PPC_GOT_TPREL16_LO 88 /* half16 (sym+add)@got@tprel@l */ |
| 78 | #define R_PPC_GOT_TPREL16_HI 89 /* half16 (sym+add)@got@tprel@h */ |
| 79 | #define R_PPC_GOT_TPREL16_HA 90 /* half16 (sym+add)@got@tprel@ha */ |
| 80 | #define R_PPC_GOT_DTPREL16 91 /* half16* (sym+add)@got@dtprel */ |
| 81 | #define R_PPC_GOT_DTPREL16_LO 92 /* half16* (sym+add)@got@dtprel@l */ |
| 82 | #define R_PPC_GOT_DTPREL16_HI 93 /* half16* (sym+add)@got@dtprel@h */ |
| 83 | #define R_PPC_GOT_DTPREL16_HA 94 /* half16* (sym+add)@got@dtprel@ha */ |
| 84 | |
Becky Bruce | a99eb2e | 2005-09-19 19:17:27 -0500 | [diff] [blame] | 85 | /* keep this the last entry. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 86 | #define R_PPC_NUM 95 |
| 87 | |
| 88 | /* |
| 89 | * ELF register definitions.. |
| 90 | * |
| 91 | * This program is free software; you can redistribute it and/or |
| 92 | * modify it under the terms of the GNU General Public License |
| 93 | * as published by the Free Software Foundation; either version |
| 94 | * 2 of the License, or (at your option) any later version. |
| 95 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | |
| 97 | #define ELF_NGREG 48 /* includes nip, msr, lr, etc. */ |
| 98 | #define ELF_NFPREG 33 /* includes fpscr */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 99 | |
| 100 | typedef unsigned long elf_greg_t64; |
| 101 | typedef elf_greg_t64 elf_gregset_t64[ELF_NGREG]; |
| 102 | |
| 103 | typedef unsigned int elf_greg_t32; |
| 104 | typedef elf_greg_t32 elf_gregset_t32[ELF_NGREG]; |
Roland McGrath | 5f149cf | 2007-10-16 23:26:55 -0700 | [diff] [blame] | 105 | typedef elf_gregset_t32 compat_elf_gregset_t; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 106 | |
| 107 | /* |
Becky Bruce | a99eb2e | 2005-09-19 19:17:27 -0500 | [diff] [blame] | 108 | * ELF_ARCH, CLASS, and DATA are used to set parameters in the core dumps. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | */ |
Becky Bruce | a99eb2e | 2005-09-19 19:17:27 -0500 | [diff] [blame] | 110 | #ifdef __powerpc64__ |
| 111 | # define ELF_NVRREG32 33 /* includes vscr & vrsave stuffed together */ |
| 112 | # define ELF_NVRREG 34 /* includes vscr & vrsave in split vectors */ |
Michael Neuling | ce48b21 | 2008-06-25 14:07:18 +1000 | [diff] [blame] | 113 | # define ELF_NVSRHALFREG 32 /* Half the vsx registers */ |
Becky Bruce | a99eb2e | 2005-09-19 19:17:27 -0500 | [diff] [blame] | 114 | # define ELF_GREG_TYPE elf_greg_t64 |
| 115 | #else |
| 116 | # define ELF_NEVRREG 34 /* includes acc (as 2) */ |
| 117 | # define ELF_NVRREG 33 /* includes vscr */ |
| 118 | # define ELF_GREG_TYPE elf_greg_t32 |
| 119 | # define ELF_ARCH EM_PPC |
| 120 | # define ELF_CLASS ELFCLASS32 |
| 121 | # define ELF_DATA ELFDATA2MSB |
| 122 | #endif /* __powerpc64__ */ |
| 123 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | #ifndef ELF_ARCH |
| 125 | # define ELF_ARCH EM_PPC64 |
| 126 | # define ELF_CLASS ELFCLASS64 |
| 127 | # define ELF_DATA ELFDATA2MSB |
| 128 | typedef elf_greg_t64 elf_greg_t; |
| 129 | typedef elf_gregset_t64 elf_gregset_t; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 130 | #else |
| 131 | /* Assumption: ELF_ARCH == EM_PPC and ELF_CLASS == ELFCLASS32 */ |
| 132 | typedef elf_greg_t32 elf_greg_t; |
| 133 | typedef elf_gregset_t32 elf_gregset_t; |
Becky Bruce | a99eb2e | 2005-09-19 19:17:27 -0500 | [diff] [blame] | 134 | #endif /* ELF_ARCH */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | |
Becky Bruce | a99eb2e | 2005-09-19 19:17:27 -0500 | [diff] [blame] | 136 | /* Floating point registers */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | typedef double elf_fpreg_t; |
| 138 | typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; |
| 139 | |
| 140 | /* Altivec registers */ |
| 141 | /* |
| 142 | * The entries with indexes 0-31 contain the corresponding vector registers. |
| 143 | * The entry with index 32 contains the vscr as the last word (offset 12) |
| 144 | * within the quadword. This allows the vscr to be stored as either a |
| 145 | * quadword (since it must be copied via a vector register to/from storage) |
Becky Bruce | a99eb2e | 2005-09-19 19:17:27 -0500 | [diff] [blame] | 146 | * or as a word. |
| 147 | * |
| 148 | * 64-bit kernel notes: The entry at index 33 contains the vrsave as the first |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | * word (offset 0) within the quadword. |
| 150 | * |
| 151 | * This definition of the VMX state is compatible with the current PPC32 |
| 152 | * ptrace interface. This allows signal handling and ptrace to use the same |
| 153 | * structures. This also simplifies the implementation of a bi-arch |
| 154 | * (combined (32- and 64-bit) gdb. |
| 155 | * |
| 156 | * Note that it's _not_ compatible with 32 bits ucontext which stuffs the |
| 157 | * vrsave along with vscr and so only uses 33 vectors for the register set |
| 158 | */ |
| 159 | typedef __vector128 elf_vrreg_t; |
| 160 | typedef elf_vrreg_t elf_vrregset_t[ELF_NVRREG]; |
Becky Bruce | a99eb2e | 2005-09-19 19:17:27 -0500 | [diff] [blame] | 161 | #ifdef __powerpc64__ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | typedef elf_vrreg_t elf_vrregset_t32[ELF_NVRREG32]; |
Michael Neuling | ce48b21 | 2008-06-25 14:07:18 +1000 | [diff] [blame] | 163 | typedef elf_fpreg_t elf_vsrreghalf_t32[ELF_NVSRHALFREG]; |
Becky Bruce | a99eb2e | 2005-09-19 19:17:27 -0500 | [diff] [blame] | 164 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 165 | |
David Woodhouse | dd02ec3 | 2006-04-25 13:51:52 +0100 | [diff] [blame] | 166 | #ifdef __KERNEL__ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 167 | /* |
| 168 | * This is used to ensure we don't load something for the wrong architecture. |
| 169 | */ |
| 170 | #define elf_check_arch(x) ((x)->e_machine == ELF_ARCH) |
Roland McGrath | 01e31db | 2008-01-02 17:03:11 -0800 | [diff] [blame] | 171 | #define compat_elf_check_arch(x) ((x)->e_machine == EM_PPC) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | |
Roland McGrath | 8197038 | 2007-12-20 03:58:12 -0800 | [diff] [blame] | 173 | #define CORE_DUMP_USE_REGSET |
Olof Johansson | 637a6ff | 2005-09-20 13:47:41 +1000 | [diff] [blame] | 174 | #define ELF_EXEC_PAGESIZE PAGE_SIZE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | |
| 176 | /* This is the location that an ET_DYN program is loaded if exec'ed. Typical |
| 177 | use of this is to invoke "./ld.so someprog" to test out a new version of |
| 178 | the loader. We need to make sure that it is out of the way of the program |
| 179 | that it will "exec", and that there is sufficient room for the brk. */ |
| 180 | |
Anton Blanchard | 501cb16 | 2009-02-22 01:50:07 +0000 | [diff] [blame] | 181 | extern unsigned long randomize_et_dyn(unsigned long base); |
| 182 | #define ELF_ET_DYN_BASE (randomize_et_dyn(0x20000000)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 183 | |
Roland McGrath | 5f149cf | 2007-10-16 23:26:55 -0700 | [diff] [blame] | 184 | /* |
| 185 | * Our registers are always unsigned longs, whether we're a 32 bit |
| 186 | * process or 64 bit, on either a 64 bit or 32 bit kernel. |
| 187 | * |
| 188 | * This macro relies on elf_regs[i] having the right type to truncate to, |
| 189 | * either u32 or u64. It defines the body of the elf_core_copy_regs |
| 190 | * function, either the native one with elf_gregset_t elf_regs or |
| 191 | * the 32-bit one with elf_gregset_t32 elf_regs. |
| 192 | */ |
| 193 | #define PPC_ELF_CORE_COPY_REGS(elf_regs, regs) \ |
| 194 | int i, nregs = min(sizeof(*regs) / sizeof(unsigned long), \ |
| 195 | (size_t)ELF_NGREG); \ |
| 196 | for (i = 0; i < nregs; i++) \ |
| 197 | elf_regs[i] = ((unsigned long *) regs)[i]; \ |
| 198 | memset(&elf_regs[i], 0, (ELF_NGREG - i) * sizeof(elf_regs[0])) |
| 199 | |
| 200 | /* Common routine for both 32-bit and 64-bit native processes */ |
Becky Bruce | a99eb2e | 2005-09-19 19:17:27 -0500 | [diff] [blame] | 201 | static inline void ppc_elf_core_copy_regs(elf_gregset_t elf_regs, |
Roland McGrath | 5f149cf | 2007-10-16 23:26:55 -0700 | [diff] [blame] | 202 | struct pt_regs *regs) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 203 | { |
Roland McGrath | 5f149cf | 2007-10-16 23:26:55 -0700 | [diff] [blame] | 204 | PPC_ELF_CORE_COPY_REGS(elf_regs, regs); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | } |
Becky Bruce | a99eb2e | 2005-09-19 19:17:27 -0500 | [diff] [blame] | 206 | #define ELF_CORE_COPY_REGS(gregs, regs) ppc_elf_core_copy_regs(gregs, regs); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 207 | |
Mark Nelson | 1f7d666 | 2007-10-16 23:25:40 -0700 | [diff] [blame] | 208 | typedef elf_vrregset_t elf_fpxregset_t; |
| 209 | |
Becky Bruce | a99eb2e | 2005-09-19 19:17:27 -0500 | [diff] [blame] | 210 | /* ELF_HWCAP yields a mask that user programs can use to figure out what |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 211 | instruction set this cpu supports. This could be done in userspace, |
| 212 | but it's not easy, and we've already done it here. */ |
Becky Bruce | a99eb2e | 2005-09-19 19:17:27 -0500 | [diff] [blame] | 213 | # define ELF_HWCAP (cur_cpu_spec->cpu_user_features) |
Paul Mackerras | 80f15dc | 2006-01-14 10:11:39 +1100 | [diff] [blame] | 214 | |
| 215 | /* This yields a string that ld.so will use to load implementation |
| 216 | specific libraries for optimization. This is more specific in |
| 217 | intent than poking at uname or /proc/cpuinfo. */ |
| 218 | |
| 219 | #define ELF_PLATFORM (cur_cpu_spec->platform) |
| 220 | |
Nathan Lynch | 9115d13 | 2008-07-16 09:58:51 +1000 | [diff] [blame] | 221 | /* While ELF_PLATFORM indicates the ISA supported by the platform, it |
| 222 | * may not accurately reflect the underlying behavior of the hardware |
| 223 | * (as in the case of running in Power5+ compatibility mode on a |
| 224 | * Power6 machine). ELF_BASE_PLATFORM allows ld.so to load libraries |
| 225 | * that are tuned for the real hardware. |
| 226 | */ |
| 227 | #define ELF_BASE_PLATFORM (powerpc_base_platform) |
| 228 | |
Kumar Gala | 400d221 | 2005-09-27 15:13:12 -0500 | [diff] [blame] | 229 | #ifdef __powerpc64__ |
Paul Mackerras | 06d67d5 | 2005-10-10 22:29:05 +1000 | [diff] [blame] | 230 | # define ELF_PLAT_INIT(_r, load_addr) do { \ |
| 231 | _r->gpr[2] = load_addr; \ |
Becky Bruce | a99eb2e | 2005-09-19 19:17:27 -0500 | [diff] [blame] | 232 | } while (0) |
Becky Bruce | a99eb2e | 2005-09-19 19:17:27 -0500 | [diff] [blame] | 233 | #endif /* __powerpc64__ */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 234 | |
Becky Bruce | a99eb2e | 2005-09-19 19:17:27 -0500 | [diff] [blame] | 235 | #ifdef __powerpc64__ |
Martin Schwidefsky | 0b59268 | 2008-10-16 15:39:57 +0200 | [diff] [blame] | 236 | # define SET_PERSONALITY(ex) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | do { \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 238 | if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \ |
Andreas Schwab | 94f28da | 2010-01-30 10:20:59 +0000 | [diff] [blame] | 239 | set_thread_flag(TIF_32BIT); \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 240 | else \ |
Andreas Schwab | 94f28da | 2010-01-30 10:20:59 +0000 | [diff] [blame] | 241 | clear_thread_flag(TIF_32BIT); \ |
Paul Mackerras | ce10d97 | 2005-06-08 21:59:15 +1000 | [diff] [blame] | 242 | if (personality(current->personality) != PER_LINUX32) \ |
Eric B Munson | a91a03e | 2008-07-01 02:12:13 +1000 | [diff] [blame] | 243 | set_personality(PER_LINUX | \ |
| 244 | (current->personality & (~PER_MASK))); \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 245 | } while (0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 246 | /* |
| 247 | * An executable for which elf_read_implies_exec() returns TRUE will |
Anton Blanchard | a2f95a5 | 2005-05-01 08:58:45 -0700 | [diff] [blame] | 248 | * have the READ_IMPLIES_EXEC personality flag set automatically. This |
| 249 | * is only required to work around bugs in old 32bit toolchains. Since |
| 250 | * the 64bit ABI has never had these issues dont enable the workaround |
| 251 | * even if we have an executable stack. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 252 | */ |
Denis Kirjanov | cab175f | 2010-08-27 03:49:11 +0000 | [diff] [blame] | 253 | # define elf_read_implies_exec(ex, exec_stk) (is_32bit_task() ? \ |
Kumar Gala | d89ebca | 2009-04-28 03:32:36 +0000 | [diff] [blame] | 254 | (exec_stk == EXSTACK_DEFAULT) : 0) |
Becky Bruce | a99eb2e | 2005-09-19 19:17:27 -0500 | [diff] [blame] | 255 | #else |
Andreas Schwab | 59e4c3a | 2009-04-16 06:22:01 +0000 | [diff] [blame] | 256 | # define SET_PERSONALITY(ex) \ |
| 257 | set_personality(PER_LINUX | (current->personality & (~PER_MASK))) |
Kumar Gala | d89ebca | 2009-04-28 03:32:36 +0000 | [diff] [blame] | 258 | # define elf_read_implies_exec(ex, exec_stk) (exec_stk == EXSTACK_DEFAULT) |
Becky Bruce | a99eb2e | 2005-09-19 19:17:27 -0500 | [diff] [blame] | 259 | #endif /* __powerpc64__ */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 260 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 261 | extern int dcache_bsize; |
| 262 | extern int icache_bsize; |
| 263 | extern int ucache_bsize; |
| 264 | |
Benjamin Herrenschmidt | a7f290d | 2005-11-11 21:15:21 +1100 | [diff] [blame] | 265 | /* vDSO has arch_setup_additional_pages */ |
| 266 | #define ARCH_HAS_SETUP_ADDITIONAL_PAGES |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 267 | struct linux_binprm; |
Benjamin Herrenschmidt | a7f290d | 2005-11-11 21:15:21 +1100 | [diff] [blame] | 268 | extern int arch_setup_additional_pages(struct linux_binprm *bprm, |
Martin Schwidefsky | fc5243d | 2008-12-25 13:38:35 +0100 | [diff] [blame] | 269 | int uses_interp); |
Phil Carmody | 497888c | 2011-07-14 15:07:13 +0300 | [diff] [blame] | 270 | #define VDSO_AUX_ENT(a,b) NEW_AUX_ENT(a,b) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 271 | |
Anton Blanchard | 2dadb98 | 2009-02-22 01:50:02 +0000 | [diff] [blame] | 272 | /* 1GB for 64bit, 8MB for 32bit */ |
| 273 | #define STACK_RND_MASK (is_32bit_task() ? \ |
| 274 | (0x7ff >> (PAGE_SHIFT - 12)) : \ |
| 275 | (0x3ffff >> (PAGE_SHIFT - 12))) |
| 276 | |
Anton Blanchard | 912f9ee | 2009-02-22 01:50:04 +0000 | [diff] [blame] | 277 | extern unsigned long arch_randomize_brk(struct mm_struct *mm); |
| 278 | #define arch_randomize_brk arch_randomize_brk |
| 279 | |
Adrian Bunk | 178f8d7 | 2008-06-24 03:48:28 +1000 | [diff] [blame] | 280 | #endif /* __KERNEL__ */ |
| 281 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 282 | /* |
| 283 | * The requirements here are: |
| 284 | * - keep the final alignment of sp (sp & 0xf) |
| 285 | * - make sure the 32-bit value at the first 16 byte aligned position of |
| 286 | * AUXV is greater than 16 for glibc compatibility. |
| 287 | * AT_IGNOREPPC is used for that. |
| 288 | * - for compatibility with glibc ARCH_DLINFO must always be defined on PPC, |
| 289 | * even if DLINFO_ARCH_ITEMS goes to zero or is undefined. |
Olaf Hering | 4f9a58d | 2007-10-16 23:30:12 -0700 | [diff] [blame] | 290 | * update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 291 | */ |
| 292 | #define ARCH_DLINFO \ |
| 293 | do { \ |
| 294 | /* Handle glibc compatibility. */ \ |
| 295 | NEW_AUX_ENT(AT_IGNOREPPC, AT_IGNOREPPC); \ |
| 296 | NEW_AUX_ENT(AT_IGNOREPPC, AT_IGNOREPPC); \ |
| 297 | /* Cache size items */ \ |
| 298 | NEW_AUX_ENT(AT_DCACHEBSIZE, dcache_bsize); \ |
| 299 | NEW_AUX_ENT(AT_ICACHEBSIZE, icache_bsize); \ |
| 300 | NEW_AUX_ENT(AT_UCACHEBSIZE, ucache_bsize); \ |
Phil Carmody | 497888c | 2011-07-14 15:07:13 +0300 | [diff] [blame] | 301 | VDSO_AUX_ENT(AT_SYSINFO_EHDR, current->mm->context.vdso_base); \ |
Becky Bruce | a99eb2e | 2005-09-19 19:17:27 -0500 | [diff] [blame] | 302 | } while (0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 303 | |
| 304 | /* PowerPC64 relocations defined by the ABIs */ |
| 305 | #define R_PPC64_NONE R_PPC_NONE |
| 306 | #define R_PPC64_ADDR32 R_PPC_ADDR32 /* 32bit absolute address. */ |
| 307 | #define R_PPC64_ADDR24 R_PPC_ADDR24 /* 26bit address, word aligned. */ |
| 308 | #define R_PPC64_ADDR16 R_PPC_ADDR16 /* 16bit absolute address. */ |
| 309 | #define R_PPC64_ADDR16_LO R_PPC_ADDR16_LO /* lower 16bits of abs. address. */ |
| 310 | #define R_PPC64_ADDR16_HI R_PPC_ADDR16_HI /* high 16bits of abs. address. */ |
| 311 | #define R_PPC64_ADDR16_HA R_PPC_ADDR16_HA /* adjusted high 16bits. */ |
| 312 | #define R_PPC64_ADDR14 R_PPC_ADDR14 /* 16bit address, word aligned. */ |
| 313 | #define R_PPC64_ADDR14_BRTAKEN R_PPC_ADDR14_BRTAKEN |
| 314 | #define R_PPC64_ADDR14_BRNTAKEN R_PPC_ADDR14_BRNTAKEN |
| 315 | #define R_PPC64_REL24 R_PPC_REL24 /* PC relative 26 bit, word aligned. */ |
| 316 | #define R_PPC64_REL14 R_PPC_REL14 /* PC relative 16 bit. */ |
| 317 | #define R_PPC64_REL14_BRTAKEN R_PPC_REL14_BRTAKEN |
| 318 | #define R_PPC64_REL14_BRNTAKEN R_PPC_REL14_BRNTAKEN |
| 319 | #define R_PPC64_GOT16 R_PPC_GOT16 |
| 320 | #define R_PPC64_GOT16_LO R_PPC_GOT16_LO |
| 321 | #define R_PPC64_GOT16_HI R_PPC_GOT16_HI |
| 322 | #define R_PPC64_GOT16_HA R_PPC_GOT16_HA |
| 323 | |
| 324 | #define R_PPC64_COPY R_PPC_COPY |
| 325 | #define R_PPC64_GLOB_DAT R_PPC_GLOB_DAT |
| 326 | #define R_PPC64_JMP_SLOT R_PPC_JMP_SLOT |
| 327 | #define R_PPC64_RELATIVE R_PPC_RELATIVE |
| 328 | |
| 329 | #define R_PPC64_UADDR32 R_PPC_UADDR32 |
| 330 | #define R_PPC64_UADDR16 R_PPC_UADDR16 |
| 331 | #define R_PPC64_REL32 R_PPC_REL32 |
| 332 | #define R_PPC64_PLT32 R_PPC_PLT32 |
| 333 | #define R_PPC64_PLTREL32 R_PPC_PLTREL32 |
| 334 | #define R_PPC64_PLT16_LO R_PPC_PLT16_LO |
| 335 | #define R_PPC64_PLT16_HI R_PPC_PLT16_HI |
| 336 | #define R_PPC64_PLT16_HA R_PPC_PLT16_HA |
| 337 | |
| 338 | #define R_PPC64_SECTOFF R_PPC_SECTOFF |
| 339 | #define R_PPC64_SECTOFF_LO R_PPC_SECTOFF_LO |
| 340 | #define R_PPC64_SECTOFF_HI R_PPC_SECTOFF_HI |
| 341 | #define R_PPC64_SECTOFF_HA R_PPC_SECTOFF_HA |
| 342 | #define R_PPC64_ADDR30 37 /* word30 (S + A - P) >> 2. */ |
| 343 | #define R_PPC64_ADDR64 38 /* doubleword64 S + A. */ |
| 344 | #define R_PPC64_ADDR16_HIGHER 39 /* half16 #higher(S + A). */ |
| 345 | #define R_PPC64_ADDR16_HIGHERA 40 /* half16 #highera(S + A). */ |
| 346 | #define R_PPC64_ADDR16_HIGHEST 41 /* half16 #highest(S + A). */ |
| 347 | #define R_PPC64_ADDR16_HIGHESTA 42 /* half16 #highesta(S + A). */ |
| 348 | #define R_PPC64_UADDR64 43 /* doubleword64 S + A. */ |
| 349 | #define R_PPC64_REL64 44 /* doubleword64 S + A - P. */ |
| 350 | #define R_PPC64_PLT64 45 /* doubleword64 L + A. */ |
| 351 | #define R_PPC64_PLTREL64 46 /* doubleword64 L + A - P. */ |
| 352 | #define R_PPC64_TOC16 47 /* half16* S + A - .TOC. */ |
| 353 | #define R_PPC64_TOC16_LO 48 /* half16 #lo(S + A - .TOC.). */ |
| 354 | #define R_PPC64_TOC16_HI 49 /* half16 #hi(S + A - .TOC.). */ |
| 355 | #define R_PPC64_TOC16_HA 50 /* half16 #ha(S + A - .TOC.). */ |
| 356 | #define R_PPC64_TOC 51 /* doubleword64 .TOC. */ |
| 357 | #define R_PPC64_PLTGOT16 52 /* half16* M + A. */ |
| 358 | #define R_PPC64_PLTGOT16_LO 53 /* half16 #lo(M + A). */ |
| 359 | #define R_PPC64_PLTGOT16_HI 54 /* half16 #hi(M + A). */ |
| 360 | #define R_PPC64_PLTGOT16_HA 55 /* half16 #ha(M + A). */ |
| 361 | |
| 362 | #define R_PPC64_ADDR16_DS 56 /* half16ds* (S + A) >> 2. */ |
| 363 | #define R_PPC64_ADDR16_LO_DS 57 /* half16ds #lo(S + A) >> 2. */ |
| 364 | #define R_PPC64_GOT16_DS 58 /* half16ds* (G + A) >> 2. */ |
| 365 | #define R_PPC64_GOT16_LO_DS 59 /* half16ds #lo(G + A) >> 2. */ |
| 366 | #define R_PPC64_PLT16_LO_DS 60 /* half16ds #lo(L + A) >> 2. */ |
| 367 | #define R_PPC64_SECTOFF_DS 61 /* half16ds* (R + A) >> 2. */ |
| 368 | #define R_PPC64_SECTOFF_LO_DS 62 /* half16ds #lo(R + A) >> 2. */ |
| 369 | #define R_PPC64_TOC16_DS 63 /* half16ds* (S + A - .TOC.) >> 2. */ |
| 370 | #define R_PPC64_TOC16_LO_DS 64 /* half16ds #lo(S + A - .TOC.) >> 2. */ |
| 371 | #define R_PPC64_PLTGOT16_DS 65 /* half16ds* (M + A) >> 2. */ |
| 372 | #define R_PPC64_PLTGOT16_LO_DS 66 /* half16ds #lo(M + A) >> 2. */ |
| 373 | |
| 374 | /* PowerPC64 relocations defined for the TLS access ABI. */ |
| 375 | #define R_PPC64_TLS 67 /* none (sym+add)@tls */ |
| 376 | #define R_PPC64_DTPMOD64 68 /* doubleword64 (sym+add)@dtpmod */ |
| 377 | #define R_PPC64_TPREL16 69 /* half16* (sym+add)@tprel */ |
| 378 | #define R_PPC64_TPREL16_LO 70 /* half16 (sym+add)@tprel@l */ |
| 379 | #define R_PPC64_TPREL16_HI 71 /* half16 (sym+add)@tprel@h */ |
| 380 | #define R_PPC64_TPREL16_HA 72 /* half16 (sym+add)@tprel@ha */ |
| 381 | #define R_PPC64_TPREL64 73 /* doubleword64 (sym+add)@tprel */ |
| 382 | #define R_PPC64_DTPREL16 74 /* half16* (sym+add)@dtprel */ |
| 383 | #define R_PPC64_DTPREL16_LO 75 /* half16 (sym+add)@dtprel@l */ |
| 384 | #define R_PPC64_DTPREL16_HI 76 /* half16 (sym+add)@dtprel@h */ |
| 385 | #define R_PPC64_DTPREL16_HA 77 /* half16 (sym+add)@dtprel@ha */ |
| 386 | #define R_PPC64_DTPREL64 78 /* doubleword64 (sym+add)@dtprel */ |
| 387 | #define R_PPC64_GOT_TLSGD16 79 /* half16* (sym+add)@got@tlsgd */ |
| 388 | #define R_PPC64_GOT_TLSGD16_LO 80 /* half16 (sym+add)@got@tlsgd@l */ |
| 389 | #define R_PPC64_GOT_TLSGD16_HI 81 /* half16 (sym+add)@got@tlsgd@h */ |
| 390 | #define R_PPC64_GOT_TLSGD16_HA 82 /* half16 (sym+add)@got@tlsgd@ha */ |
| 391 | #define R_PPC64_GOT_TLSLD16 83 /* half16* (sym+add)@got@tlsld */ |
| 392 | #define R_PPC64_GOT_TLSLD16_LO 84 /* half16 (sym+add)@got@tlsld@l */ |
| 393 | #define R_PPC64_GOT_TLSLD16_HI 85 /* half16 (sym+add)@got@tlsld@h */ |
| 394 | #define R_PPC64_GOT_TLSLD16_HA 86 /* half16 (sym+add)@got@tlsld@ha */ |
| 395 | #define R_PPC64_GOT_TPREL16_DS 87 /* half16ds* (sym+add)@got@tprel */ |
| 396 | #define R_PPC64_GOT_TPREL16_LO_DS 88 /* half16ds (sym+add)@got@tprel@l */ |
| 397 | #define R_PPC64_GOT_TPREL16_HI 89 /* half16 (sym+add)@got@tprel@h */ |
| 398 | #define R_PPC64_GOT_TPREL16_HA 90 /* half16 (sym+add)@got@tprel@ha */ |
| 399 | #define R_PPC64_GOT_DTPREL16_DS 91 /* half16ds* (sym+add)@got@dtprel */ |
| 400 | #define R_PPC64_GOT_DTPREL16_LO_DS 92 /* half16ds (sym+add)@got@dtprel@l */ |
| 401 | #define R_PPC64_GOT_DTPREL16_HI 93 /* half16 (sym+add)@got@dtprel@h */ |
| 402 | #define R_PPC64_GOT_DTPREL16_HA 94 /* half16 (sym+add)@got@dtprel@ha */ |
| 403 | #define R_PPC64_TPREL16_DS 95 /* half16ds* (sym+add)@tprel */ |
| 404 | #define R_PPC64_TPREL16_LO_DS 96 /* half16ds (sym+add)@tprel@l */ |
| 405 | #define R_PPC64_TPREL16_HIGHER 97 /* half16 (sym+add)@tprel@higher */ |
| 406 | #define R_PPC64_TPREL16_HIGHERA 98 /* half16 (sym+add)@tprel@highera */ |
| 407 | #define R_PPC64_TPREL16_HIGHEST 99 /* half16 (sym+add)@tprel@highest */ |
| 408 | #define R_PPC64_TPREL16_HIGHESTA 100 /* half16 (sym+add)@tprel@highesta */ |
| 409 | #define R_PPC64_DTPREL16_DS 101 /* half16ds* (sym+add)@dtprel */ |
| 410 | #define R_PPC64_DTPREL16_LO_DS 102 /* half16ds (sym+add)@dtprel@l */ |
| 411 | #define R_PPC64_DTPREL16_HIGHER 103 /* half16 (sym+add)@dtprel@higher */ |
| 412 | #define R_PPC64_DTPREL16_HIGHERA 104 /* half16 (sym+add)@dtprel@highera */ |
| 413 | #define R_PPC64_DTPREL16_HIGHEST 105 /* half16 (sym+add)@dtprel@highest */ |
| 414 | #define R_PPC64_DTPREL16_HIGHESTA 106 /* half16 (sym+add)@dtprel@highesta */ |
| 415 | |
| 416 | /* Keep this the last entry. */ |
| 417 | #define R_PPC64_NUM 107 |
| 418 | |
James Bottomley | 2d291e9 | 2008-09-09 14:04:18 +0000 | [diff] [blame] | 419 | /* There's actually a third entry here, but it's unused */ |
| 420 | struct ppc64_opd_entry |
| 421 | { |
| 422 | unsigned long funcaddr; |
| 423 | unsigned long r2; |
| 424 | }; |
| 425 | |
Adrian Bunk | 178f8d7 | 2008-06-24 03:48:28 +1000 | [diff] [blame] | 426 | #ifdef __KERNEL__ |
| 427 | |
Arnd Bergmann | e055595 | 2006-11-27 19:18:55 +0100 | [diff] [blame] | 428 | #ifdef CONFIG_SPU_BASE |
Dwayne Grant McConnell | bf1ab97 | 2006-11-23 00:46:37 +0100 | [diff] [blame] | 429 | /* Notes used in ET_CORE. Note name is "SPU/<fd>/<filename>". */ |
| 430 | #define NT_SPU 1 |
| 431 | |
Dwayne Grant McConnell | bf1ab97 | 2006-11-23 00:46:37 +0100 | [diff] [blame] | 432 | #define ARCH_HAVE_EXTRA_ELF_NOTES |
Michael Ellerman | e550149 | 2007-09-19 14:38:12 +1000 | [diff] [blame] | 433 | |
| 434 | #endif /* CONFIG_SPU_BASE */ |
Dwayne Grant McConnell | bf1ab97 | 2006-11-23 00:46:37 +0100 | [diff] [blame] | 435 | |
Adrian Bunk | 178f8d7 | 2008-06-24 03:48:28 +1000 | [diff] [blame] | 436 | #endif /* __KERNEL */ |
| 437 | |
Becky Bruce | a99eb2e | 2005-09-19 19:17:27 -0500 | [diff] [blame] | 438 | #endif /* _ASM_POWERPC_ELF_H */ |