lnx_arch_arm64.hpp

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#ifndef ARION_LNX_ARCH_ARM64_HPP
#define ARION_LNX_ARCH_ARM64_HPP
 
#include <arion/archs/arch_arm64.hpp>
#include <arion/platforms/linux/lnx_arch_manager.hpp>
#include <arion/platforms/linux/lnx_kernel_utils.hpp>
 
namespace arion_lnx_arm64
{
 
struct user_pt_regs
{
    __u64 regs[31];
    __u64 sp;
    __u64 pc;
    __u64 pstate;
};
 
inline std::vector<arion::REG> uc_user_pt_regs = {
    UC_ARM64_REG_X0,  UC_ARM64_REG_X1,  UC_ARM64_REG_X2,  UC_ARM64_REG_X3,    UC_ARM64_REG_X4,  UC_ARM64_REG_X5,
    UC_ARM64_REG_X6,  UC_ARM64_REG_X7,  UC_ARM64_REG_X8,  UC_ARM64_REG_X9,    UC_ARM64_REG_X10, UC_ARM64_REG_X11,
    UC_ARM64_REG_X12, UC_ARM64_REG_X13, UC_ARM64_REG_X14, UC_ARM64_REG_X15,   UC_ARM64_REG_X16, UC_ARM64_REG_X17,
    UC_ARM64_REG_X18, UC_ARM64_REG_X19, UC_ARM64_REG_X20, UC_ARM64_REG_X21,   UC_ARM64_REG_X22, UC_ARM64_REG_X23,
    UC_ARM64_REG_X24, UC_ARM64_REG_X25, UC_ARM64_REG_X26, UC_ARM64_REG_X27,   UC_ARM64_REG_X28, UC_ARM64_REG_X29,
    UC_ARM64_REG_X30, UC_ARM64_REG_SP,  UC_ARM64_REG_PC,  UC_ARM64_REG_PSTATE};
 
struct frame_record
{
    uint64_t fp;
    uint64_t lr;
};
 
struct frame_record_meta
{
    struct frame_record record;
    uint64_t type;
};
 
struct pt_regs
{
    union {
        struct user_pt_regs user_regs;
        struct
        {
            uint64_t regs[31];
            uint64_t sp;
            uint64_t pc;
            uint64_t pstate;
        };
    };
    uint64_t orig_x0;
    int32_t syscallno;
    uint32_t pmr;
 
    uint64_t sdei_ttbr1;
    struct frame_record_meta stackframe;
 
    uint64_t lockdep_hardirqs;
    uint64_t exit_rcu;
};
 
const size_t ELF_NGREG = (sizeof(struct user_pt_regs) / sizeof(arion_lnx_type::elf_greg_t));
typedef arion_lnx_type::elf_greg_t elf_gregset_t[ELF_NGREG];
 
struct elf_prstatus
{
    struct arion_lnx_type::elf_prstatus_common common;
    elf_gregset_t pr_reg;
    int pr_fpvalid;
};
 
struct user_fpsimd_state
{
    __uint128_t vregs[32];
    __u32 fpsr;
    __u32 fpcr;
    __u32 __reserved[2];
};
 
inline std::vector<arion::REG> uc_fpsimd_regs = {
    UC_ARM64_REG_V0,  UC_ARM64_REG_V1,  UC_ARM64_REG_V2,  UC_ARM64_REG_V3,  UC_ARM64_REG_V4,  UC_ARM64_REG_V5,
    UC_ARM64_REG_V6,  UC_ARM64_REG_V7,  UC_ARM64_REG_V8,  UC_ARM64_REG_V9,  UC_ARM64_REG_V10, UC_ARM64_REG_V11,
    UC_ARM64_REG_V12, UC_ARM64_REG_V13, UC_ARM64_REG_V14, UC_ARM64_REG_V15, UC_ARM64_REG_V16, UC_ARM64_REG_V17,
    UC_ARM64_REG_V18, UC_ARM64_REG_V19, UC_ARM64_REG_V20, UC_ARM64_REG_V21, UC_ARM64_REG_V22, UC_ARM64_REG_V23,
    UC_ARM64_REG_V24, UC_ARM64_REG_V25, UC_ARM64_REG_V26, UC_ARM64_REG_V27, UC_ARM64_REG_V28, UC_ARM64_REG_V29,
    UC_ARM64_REG_V30, UC_ARM64_REG_V31};
 
typedef struct user_fpsimd_state elf_fpregset_t;
 
class ArchManagerLinuxARM64 : public arion_arm64::ArchManagerARM64, public arion::LinuxArchManager
{
  private:
    std::map<arion::REG, arion::RVAL> prstatus_to_regs(std::vector<arion::BYTE> prstatus) override;
    std::map<arion::REG, arion::RVAL> fpregset_to_regs(std::vector<arion::BYTE> fpregset) override;
};
 
}; // namespace arion_lnx_arm64
 
#endif // ARION_LNX_ARCH_ARM64_HPP