366 lines
14 KiB
C
366 lines
14 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASMPARISC_ELF_H
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#define __ASMPARISC_ELF_H
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/*
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* ELF register definitions..
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*/
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#include <linux/types.h>
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#define EM_PARISC 15
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/* HPPA specific definitions. */
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/* Legal values for e_flags field of Elf32_Ehdr. */
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#define EF_PARISC_TRAPNIL 0x00010000 /* Trap nil pointer dereference. */
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#define EF_PARISC_EXT 0x00020000 /* Program uses arch. extensions. */
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#define EF_PARISC_LSB 0x00040000 /* Program expects little endian. */
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#define EF_PARISC_WIDE 0x00080000 /* Program expects wide mode. */
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#define EF_PARISC_NO_KABP 0x00100000 /* No kernel assisted branch
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prediction. */
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#define EF_PARISC_LAZYSWAP 0x00400000 /* Allow lazy swapping. */
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#define EF_PARISC_ARCH 0x0000ffff /* Architecture version. */
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/* Defined values for `e_flags & EF_PARISC_ARCH' are: */
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#define EFA_PARISC_1_0 0x020b /* PA-RISC 1.0 big-endian. */
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#define EFA_PARISC_1_1 0x0210 /* PA-RISC 1.1 big-endian. */
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#define EFA_PARISC_2_0 0x0214 /* PA-RISC 2.0 big-endian. */
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/* Additional section indices. */
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#define SHN_PARISC_ANSI_COMMON 0xff00 /* Section for tenatively declared
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symbols in ANSI C. */
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#define SHN_PARISC_HUGE_COMMON 0xff01 /* Common blocks in huge model. */
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/* Legal values for sh_type field of Elf32_Shdr. */
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#define SHT_PARISC_EXT 0x70000000 /* Contains product specific ext. */
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#define SHT_PARISC_UNWIND 0x70000001 /* Unwind information. */
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#define SHT_PARISC_DOC 0x70000002 /* Debug info for optimized code. */
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/* Legal values for sh_flags field of Elf32_Shdr. */
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#define SHF_PARISC_SHORT 0x20000000 /* Section with short addressing. */
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#define SHF_PARISC_HUGE 0x40000000 /* Section far from gp. */
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#define SHF_PARISC_SBP 0x80000000 /* Static branch prediction code. */
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/* Legal values for ST_TYPE subfield of st_info (symbol type). */
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#define STT_PARISC_MILLICODE 13 /* Millicode function entry point. */
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#define STT_HP_OPAQUE (STT_LOOS + 0x1)
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#define STT_HP_STUB (STT_LOOS + 0x2)
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/* HPPA relocs. */
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#define R_PARISC_NONE 0 /* No reloc. */
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#define R_PARISC_DIR32 1 /* Direct 32-bit reference. */
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#define R_PARISC_DIR21L 2 /* Left 21 bits of eff. address. */
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#define R_PARISC_DIR17R 3 /* Right 17 bits of eff. address. */
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#define R_PARISC_DIR17F 4 /* 17 bits of eff. address. */
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#define R_PARISC_DIR14R 6 /* Right 14 bits of eff. address. */
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#define R_PARISC_PCREL32 9 /* 32-bit rel. address. */
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#define R_PARISC_PCREL21L 10 /* Left 21 bits of rel. address. */
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#define R_PARISC_PCREL17R 11 /* Right 17 bits of rel. address. */
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#define R_PARISC_PCREL17F 12 /* 17 bits of rel. address. */
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#define R_PARISC_PCREL14R 14 /* Right 14 bits of rel. address. */
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#define R_PARISC_DPREL21L 18 /* Left 21 bits of rel. address. */
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#define R_PARISC_DPREL14R 22 /* Right 14 bits of rel. address. */
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#define R_PARISC_GPREL21L 26 /* GP-relative, left 21 bits. */
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#define R_PARISC_GPREL14R 30 /* GP-relative, right 14 bits. */
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#define R_PARISC_LTOFF21L 34 /* LT-relative, left 21 bits. */
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#define R_PARISC_LTOFF14R 38 /* LT-relative, right 14 bits. */
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#define R_PARISC_SECREL32 41 /* 32 bits section rel. address. */
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#define R_PARISC_SEGBASE 48 /* No relocation, set segment base. */
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#define R_PARISC_SEGREL32 49 /* 32 bits segment rel. address. */
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#define R_PARISC_PLTOFF21L 50 /* PLT rel. address, left 21 bits. */
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#define R_PARISC_PLTOFF14R 54 /* PLT rel. address, right 14 bits. */
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#define R_PARISC_LTOFF_FPTR32 57 /* 32 bits LT-rel. function pointer. */
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#define R_PARISC_LTOFF_FPTR21L 58 /* LT-rel. fct ptr, left 21 bits. */
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#define R_PARISC_LTOFF_FPTR14R 62 /* LT-rel. fct ptr, right 14 bits. */
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#define R_PARISC_FPTR64 64 /* 64 bits function address. */
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#define R_PARISC_PLABEL32 65 /* 32 bits function address. */
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#define R_PARISC_PCREL64 72 /* 64 bits PC-rel. address. */
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#define R_PARISC_PCREL22F 74 /* 22 bits PC-rel. address. */
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#define R_PARISC_PCREL14WR 75 /* PC-rel. address, right 14 bits. */
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#define R_PARISC_PCREL14DR 76 /* PC rel. address, right 14 bits. */
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#define R_PARISC_PCREL16F 77 /* 16 bits PC-rel. address. */
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#define R_PARISC_PCREL16WF 78 /* 16 bits PC-rel. address. */
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#define R_PARISC_PCREL16DF 79 /* 16 bits PC-rel. address. */
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#define R_PARISC_DIR64 80 /* 64 bits of eff. address. */
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#define R_PARISC_DIR14WR 83 /* 14 bits of eff. address. */
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#define R_PARISC_DIR14DR 84 /* 14 bits of eff. address. */
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#define R_PARISC_DIR16F 85 /* 16 bits of eff. address. */
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#define R_PARISC_DIR16WF 86 /* 16 bits of eff. address. */
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#define R_PARISC_DIR16DF 87 /* 16 bits of eff. address. */
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#define R_PARISC_GPREL64 88 /* 64 bits of GP-rel. address. */
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#define R_PARISC_GPREL14WR 91 /* GP-rel. address, right 14 bits. */
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#define R_PARISC_GPREL14DR 92 /* GP-rel. address, right 14 bits. */
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#define R_PARISC_GPREL16F 93 /* 16 bits GP-rel. address. */
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#define R_PARISC_GPREL16WF 94 /* 16 bits GP-rel. address. */
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#define R_PARISC_GPREL16DF 95 /* 16 bits GP-rel. address. */
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#define R_PARISC_LTOFF64 96 /* 64 bits LT-rel. address. */
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#define R_PARISC_LTOFF14WR 99 /* LT-rel. address, right 14 bits. */
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#define R_PARISC_LTOFF14DR 100 /* LT-rel. address, right 14 bits. */
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#define R_PARISC_LTOFF16F 101 /* 16 bits LT-rel. address. */
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#define R_PARISC_LTOFF16WF 102 /* 16 bits LT-rel. address. */
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#define R_PARISC_LTOFF16DF 103 /* 16 bits LT-rel. address. */
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#define R_PARISC_SECREL64 104 /* 64 bits section rel. address. */
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#define R_PARISC_SEGREL64 112 /* 64 bits segment rel. address. */
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#define R_PARISC_PLTOFF14WR 115 /* PLT-rel. address, right 14 bits. */
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#define R_PARISC_PLTOFF14DR 116 /* PLT-rel. address, right 14 bits. */
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#define R_PARISC_PLTOFF16F 117 /* 16 bits LT-rel. address. */
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#define R_PARISC_PLTOFF16WF 118 /* 16 bits PLT-rel. address. */
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#define R_PARISC_PLTOFF16DF 119 /* 16 bits PLT-rel. address. */
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#define R_PARISC_LTOFF_FPTR64 120 /* 64 bits LT-rel. function ptr. */
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#define R_PARISC_LTOFF_FPTR14WR 123 /* LT-rel. fct. ptr., right 14 bits. */
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#define R_PARISC_LTOFF_FPTR14DR 124 /* LT-rel. fct. ptr., right 14 bits. */
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#define R_PARISC_LTOFF_FPTR16F 125 /* 16 bits LT-rel. function ptr. */
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#define R_PARISC_LTOFF_FPTR16WF 126 /* 16 bits LT-rel. function ptr. */
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#define R_PARISC_LTOFF_FPTR16DF 127 /* 16 bits LT-rel. function ptr. */
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#define R_PARISC_LORESERVE 128
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#define R_PARISC_COPY 128 /* Copy relocation. */
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#define R_PARISC_IPLT 129 /* Dynamic reloc, imported PLT */
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#define R_PARISC_EPLT 130 /* Dynamic reloc, exported PLT */
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#define R_PARISC_TPREL32 153 /* 32 bits TP-rel. address. */
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#define R_PARISC_TPREL21L 154 /* TP-rel. address, left 21 bits. */
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#define R_PARISC_TPREL14R 158 /* TP-rel. address, right 14 bits. */
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#define R_PARISC_LTOFF_TP21L 162 /* LT-TP-rel. address, left 21 bits. */
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#define R_PARISC_LTOFF_TP14R 166 /* LT-TP-rel. address, right 14 bits.*/
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#define R_PARISC_LTOFF_TP14F 167 /* 14 bits LT-TP-rel. address. */
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#define R_PARISC_TPREL64 216 /* 64 bits TP-rel. address. */
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#define R_PARISC_TPREL14WR 219 /* TP-rel. address, right 14 bits. */
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#define R_PARISC_TPREL14DR 220 /* TP-rel. address, right 14 bits. */
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#define R_PARISC_TPREL16F 221 /* 16 bits TP-rel. address. */
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#define R_PARISC_TPREL16WF 222 /* 16 bits TP-rel. address. */
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#define R_PARISC_TPREL16DF 223 /* 16 bits TP-rel. address. */
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#define R_PARISC_LTOFF_TP64 224 /* 64 bits LT-TP-rel. address. */
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#define R_PARISC_LTOFF_TP14WR 227 /* LT-TP-rel. address, right 14 bits.*/
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#define R_PARISC_LTOFF_TP14DR 228 /* LT-TP-rel. address, right 14 bits.*/
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#define R_PARISC_LTOFF_TP16F 229 /* 16 bits LT-TP-rel. address. */
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#define R_PARISC_LTOFF_TP16WF 230 /* 16 bits LT-TP-rel. address. */
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#define R_PARISC_LTOFF_TP16DF 231 /* 16 bits LT-TP-rel. address. */
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#define R_PARISC_HIRESERVE 255
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#define PA_PLABEL_FDESC 0x02 /* bit set if PLABEL points to
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* a function descriptor, not
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* an address */
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/* The following are PA function descriptors
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*
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* addr: the absolute address of the function
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* gp: either the data pointer (r27) for non-PIC code or the
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* the PLT pointer (r19) for PIC code */
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/* Format for the Elf32 Function descriptor */
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typedef struct elf32_fdesc {
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__u32 addr;
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__u32 gp;
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} Elf32_Fdesc;
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/* Format for the Elf64 Function descriptor */
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typedef struct elf64_fdesc {
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__u64 dummy[2]; /* FIXME: nothing uses these, why waste
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* the space */
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__u64 addr;
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__u64 gp;
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} Elf64_Fdesc;
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#ifdef CONFIG_64BIT
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#define Elf_Fdesc Elf64_Fdesc
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#else
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#define Elf_Fdesc Elf32_Fdesc
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#endif /*CONFIG_64BIT*/
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/* Legal values for p_type field of Elf32_Phdr/Elf64_Phdr. */
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#define PT_HP_TLS (PT_LOOS + 0x0)
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#define PT_HP_CORE_NONE (PT_LOOS + 0x1)
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#define PT_HP_CORE_VERSION (PT_LOOS + 0x2)
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#define PT_HP_CORE_KERNEL (PT_LOOS + 0x3)
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#define PT_HP_CORE_COMM (PT_LOOS + 0x4)
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#define PT_HP_CORE_PROC (PT_LOOS + 0x5)
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#define PT_HP_CORE_LOADABLE (PT_LOOS + 0x6)
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#define PT_HP_CORE_STACK (PT_LOOS + 0x7)
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#define PT_HP_CORE_SHM (PT_LOOS + 0x8)
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#define PT_HP_CORE_MMF (PT_LOOS + 0x9)
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#define PT_HP_PARALLEL (PT_LOOS + 0x10)
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#define PT_HP_FASTBIND (PT_LOOS + 0x11)
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#define PT_HP_OPT_ANNOT (PT_LOOS + 0x12)
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#define PT_HP_HSL_ANNOT (PT_LOOS + 0x13)
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#define PT_HP_STACK (PT_LOOS + 0x14)
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#define PT_PARISC_ARCHEXT 0x70000000
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#define PT_PARISC_UNWIND 0x70000001
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/* Legal values for p_flags field of Elf32_Phdr/Elf64_Phdr. */
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#define PF_PARISC_SBP 0x08000000
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#define PF_HP_PAGE_SIZE 0x00100000
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#define PF_HP_FAR_SHARED 0x00200000
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#define PF_HP_NEAR_SHARED 0x00400000
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#define PF_HP_CODE 0x01000000
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#define PF_HP_MODIFY 0x02000000
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#define PF_HP_LAZYSWAP 0x04000000
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#define PF_HP_SBP 0x08000000
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/*
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* This yields a string that ld.so will use to load implementation
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* specific libraries for optimization. This is more specific in
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* intent than poking at uname or /proc/cpuinfo.
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*/
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#define ELF_PLATFORM ("PARISC")
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/*
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* The following definitions are those for 32-bit ELF binaries on a 32-bit
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* kernel and for 64-bit binaries on a 64-bit kernel. To run 32-bit binaries
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* on a 64-bit kernel, fs/compat_binfmt_elf.c defines ELF_CLASS and then
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* #includes binfmt_elf.c, which then includes this file.
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*/
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#ifndef ELF_CLASS
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#ifdef CONFIG_64BIT
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#define ELF_CLASS ELFCLASS64
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#else
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#define ELF_CLASS ELFCLASS32
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#endif
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typedef unsigned long elf_greg_t;
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#define SET_PERSONALITY(ex) \
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({ \
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set_personality((current->personality & ~PER_MASK) | PER_LINUX); \
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clear_thread_flag(TIF_32BIT); \
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current->thread.map_base = DEFAULT_MAP_BASE; \
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current->thread.task_size = DEFAULT_TASK_SIZE; \
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})
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#endif /* ! ELF_CLASS */
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#define COMPAT_SET_PERSONALITY(ex) \
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({ \
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if ((ex).e_ident[EI_CLASS] == ELFCLASS32) { \
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set_thread_flag(TIF_32BIT); \
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current->thread.map_base = DEFAULT_MAP_BASE32; \
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current->thread.task_size = DEFAULT_TASK_SIZE32; \
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} else clear_thread_flag(TIF_32BIT); \
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})
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/*
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* Fill in general registers in a core dump. This saves pretty
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* much the same registers as hp-ux, although in a different order.
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* Registers marked # below are not currently saved in pt_regs, so
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* we use their current values here.
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*
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* gr0..gr31
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* sr0..sr7
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* iaoq0..iaoq1
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* iasq0..iasq1
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* cr11 (sar)
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* cr19 (iir)
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* cr20 (isr)
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* cr21 (ior)
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* # cr22 (ipsw)
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* # cr0 (recovery counter)
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* # cr24..cr31 (temporary registers)
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* # cr8,9,12,13 (protection IDs)
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* # cr10 (scr/ccr)
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* # cr15 (ext int enable mask)
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*
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*/
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#define ELF_CORE_COPY_REGS(dst, pt) \
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memset(dst, 0, sizeof(dst)); /* don't leak any "random" bits */ \
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{ int i; \
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for (i = 0; i < 32; i++) dst[i] = pt->gr[i]; \
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for (i = 0; i < 8; i++) dst[32 + i] = pt->sr[i]; \
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} \
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dst[40] = pt->iaoq[0]; dst[41] = pt->iaoq[1]; \
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dst[42] = pt->iasq[0]; dst[43] = pt->iasq[1]; \
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dst[44] = pt->sar; dst[45] = pt->iir; \
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dst[46] = pt->isr; dst[47] = pt->ior; \
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dst[48] = mfctl(22); dst[49] = mfctl(0); \
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dst[50] = mfctl(24); dst[51] = mfctl(25); \
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dst[52] = mfctl(26); dst[53] = mfctl(27); \
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dst[54] = mfctl(28); dst[55] = mfctl(29); \
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dst[56] = mfctl(30); dst[57] = mfctl(31); \
|
||
|
|
dst[58] = mfctl( 8); dst[59] = mfctl( 9); \
|
||
|
|
dst[60] = mfctl(12); dst[61] = mfctl(13); \
|
||
|
|
dst[62] = mfctl(10); dst[63] = mfctl(15);
|
||
|
|
|
||
|
|
#define CORE_DUMP_USE_REGSET
|
||
|
|
|
||
|
|
#define ELF_NGREG 80 /* We only need 64 at present, but leave space
|
||
|
|
for expansion. */
|
||
|
|
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
|
||
|
|
|
||
|
|
#define ELF_NFPREG 32
|
||
|
|
typedef double elf_fpreg_t;
|
||
|
|
typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
|
||
|
|
|
||
|
|
struct task_struct;
|
||
|
|
|
||
|
|
extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);
|
||
|
|
#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
|
||
|
|
|
||
|
|
struct pt_regs; /* forward declaration... */
|
||
|
|
|
||
|
|
|
||
|
|
#define elf_check_arch(x) \
|
||
|
|
((x)->e_machine == EM_PARISC && (x)->e_ident[EI_CLASS] == ELF_CLASS)
|
||
|
|
#define compat_elf_check_arch(x) \
|
||
|
|
((x)->e_machine == EM_PARISC && (x)->e_ident[EI_CLASS] == ELFCLASS32)
|
||
|
|
|
||
|
|
/*
|
||
|
|
* These are used to set parameters in the core dumps.
|
||
|
|
*/
|
||
|
|
#define ELF_DATA ELFDATA2MSB
|
||
|
|
#define ELF_ARCH EM_PARISC
|
||
|
|
#define ELF_OSABI ELFOSABI_LINUX
|
||
|
|
|
||
|
|
/* %r23 is set by ld.so to a pointer to a function which might be
|
||
|
|
registered using atexit. This provides a means for the dynamic
|
||
|
|
linker to call DT_FINI functions for shared libraries that have
|
||
|
|
been loaded before the code runs.
|
||
|
|
|
||
|
|
So that we can use the same startup file with static executables,
|
||
|
|
we start programs with a value of 0 to indicate that there is no
|
||
|
|
such function. */
|
||
|
|
#define ELF_PLAT_INIT(_r, load_addr) _r->gr[23] = 0
|
||
|
|
|
||
|
|
#define ELF_EXEC_PAGESIZE 4096
|
||
|
|
|
||
|
|
/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
|
||
|
|
use of this is to invoke "./ld.so someprog" to test out a new version of
|
||
|
|
the loader. We need to make sure that it is out of the way of the program
|
||
|
|
that it will "exec", and that there is sufficient room for the brk.
|
||
|
|
|
||
|
|
(2 * TASK_SIZE / 3) turns into something undefined when run through a
|
||
|
|
32 bit preprocessor and in some cases results in the kernel trying to map
|
||
|
|
ld.so to the kernel virtual base. Use a sane value instead. /Jes
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x01000000)
|
||
|
|
|
||
|
|
/* This yields a mask that user programs can use to figure out what
|
||
|
|
instruction set this CPU supports. This could be done in user space,
|
||
|
|
but it's not easy, and we've already done it here. */
|
||
|
|
|
||
|
|
#define ELF_HWCAP 0
|
||
|
|
|
||
|
|
/* Masks for stack and mmap randomization */
|
||
|
|
#define BRK_RND_MASK (is_32bit_task() ? 0x07ffUL : 0x3ffffUL)
|
||
|
|
#define MMAP_RND_MASK (is_32bit_task() ? 0x1fffUL : 0x3ffffUL)
|
||
|
|
#define STACK_RND_MASK MMAP_RND_MASK
|
||
|
|
|
||
|
|
struct mm_struct;
|
||
|
|
extern unsigned long arch_randomize_brk(struct mm_struct *);
|
||
|
|
#define arch_randomize_brk arch_randomize_brk
|
||
|
|
|
||
|
|
#endif
|