cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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arm64.c (1451B)


      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * This file setups defines to compile arch specific binary from the
      4 * generic one.
      5 *
      6 * The function 'LIBUNWIND__ARCH_REG_ID' name is set according to arch
      7 * name and the definition of this function is included directly from
      8 * 'arch/arm64/util/unwind-libunwind.c', to make sure that this function
      9 * is defined no matter what arch the host is.
     10 *
     11 * Finally, the arch specific unwind methods are exported which will
     12 * be assigned to each arm64 thread.
     13 */
     14
     15#define REMOTE_UNWIND_LIBUNWIND
     16
     17/* Define arch specific functions & regs for libunwind, should be
     18 * defined before including "unwind.h"
     19 */
     20#define LIBUNWIND__ARCH_REG_ID(regnum) libunwind__arm64_reg_id(regnum)
     21#define LIBUNWIND__ARCH_REG_IP PERF_REG_ARM64_PC
     22#define LIBUNWIND__ARCH_REG_SP PERF_REG_ARM64_SP
     23
     24#include "unwind.h"
     25#include "libunwind-aarch64.h"
     26#define perf_event_arm_regs perf_event_arm64_regs
     27#include <../../../arch/arm64/include/uapi/asm/perf_regs.h>
     28#undef perf_event_arm_regs
     29#include "../../arch/arm64/util/unwind-libunwind.c"
     30
     31/* NO_LIBUNWIND_DEBUG_FRAME is a feature flag for local libunwind,
     32 * assign NO_LIBUNWIND_DEBUG_FRAME_AARCH64 to it for compiling arm64
     33 * unwind methods.
     34 */
     35#undef NO_LIBUNWIND_DEBUG_FRAME
     36#ifdef NO_LIBUNWIND_DEBUG_FRAME_AARCH64
     37#define NO_LIBUNWIND_DEBUG_FRAME
     38#endif
     39#include "util/unwind-libunwind-local.c"
     40
     41struct unwind_libunwind_ops *
     42arm64_unwind_libunwind_ops = &_unwind_libunwind_ops;