cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

x86_32.c (1444B)

      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/x86/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 x86 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__x86_reg_id(regnum)
     21#define LIBUNWIND__ARCH_REG_IP PERF_REG_X86_IP
     22#define LIBUNWIND__ARCH_REG_SP PERF_REG_X86_SP
     23
     24#include "unwind.h"
     25#include "libunwind-x86.h"
     26#include <../../../../arch/x86/include/uapi/asm/perf_regs.h>
     27
     28/* HAVE_ARCH_X86_64_SUPPORT is used in'arch/x86/util/unwind-libunwind.c'
     29 * for x86_32, we undef it to compile code for x86_32 only.
     30 */
     31#undef HAVE_ARCH_X86_64_SUPPORT
     32#include "../../arch/x86/util/unwind-libunwind.c"
     33
     34/* Explicitly define NO_LIBUNWIND_DEBUG_FRAME, because non-ARM has no
     35 * dwarf_find_debug_frame() function.
     36 */
     37#ifndef NO_LIBUNWIND_DEBUG_FRAME
     38#define NO_LIBUNWIND_DEBUG_FRAME
     39#endif
     40#include "util/unwind-libunwind-local.c"
     41
     42struct unwind_libunwind_ops *
     43x86_32_unwind_libunwind_ops = &_unwind_libunwind_ops;