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 41 struct unwind_libunwind_ops * 42 arm64_unwind_libunwind_ops = &_unwind_libunwind_ops; 43