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 defination 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 42 struct unwind_libunwind_ops * 43 x86_32_unwind_libunwind_ops = &_unwind_libunwind_ops; 44