1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * This file setups defines to compile arch specific binary from the 4*4882a593Smuzhiyun * generic one. 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * The function 'LIBUNWIND__ARCH_REG_ID' name is set according to arch 7*4882a593Smuzhiyun * name and the defination of this function is included directly from 8*4882a593Smuzhiyun * 'arch/x86/util/unwind-libunwind.c', to make sure that this function 9*4882a593Smuzhiyun * is defined no matter what arch the host is. 10*4882a593Smuzhiyun * 11*4882a593Smuzhiyun * Finally, the arch specific unwind methods are exported which will 12*4882a593Smuzhiyun * be assigned to each x86 thread. 13*4882a593Smuzhiyun */ 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #define REMOTE_UNWIND_LIBUNWIND 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun /* Define arch specific functions & regs for libunwind, should be 18*4882a593Smuzhiyun * defined before including "unwind.h" 19*4882a593Smuzhiyun */ 20*4882a593Smuzhiyun #define LIBUNWIND__ARCH_REG_ID(regnum) libunwind__x86_reg_id(regnum) 21*4882a593Smuzhiyun #define LIBUNWIND__ARCH_REG_IP PERF_REG_X86_IP 22*4882a593Smuzhiyun #define LIBUNWIND__ARCH_REG_SP PERF_REG_X86_SP 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun #include "unwind.h" 25*4882a593Smuzhiyun #include "libunwind-x86.h" 26*4882a593Smuzhiyun #include <../../../../arch/x86/include/uapi/asm/perf_regs.h> 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun /* HAVE_ARCH_X86_64_SUPPORT is used in'arch/x86/util/unwind-libunwind.c' 29*4882a593Smuzhiyun * for x86_32, we undef it to compile code for x86_32 only. 30*4882a593Smuzhiyun */ 31*4882a593Smuzhiyun #undef HAVE_ARCH_X86_64_SUPPORT 32*4882a593Smuzhiyun #include "../../arch/x86/util/unwind-libunwind.c" 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun /* Explicitly define NO_LIBUNWIND_DEBUG_FRAME, because non-ARM has no 35*4882a593Smuzhiyun * dwarf_find_debug_frame() function. 36*4882a593Smuzhiyun */ 37*4882a593Smuzhiyun #ifndef NO_LIBUNWIND_DEBUG_FRAME 38*4882a593Smuzhiyun #define NO_LIBUNWIND_DEBUG_FRAME 39*4882a593Smuzhiyun #endif 40*4882a593Smuzhiyun #include "util/unwind-libunwind-local.c" 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun struct unwind_libunwind_ops * 43*4882a593Smuzhiyun x86_32_unwind_libunwind_ops = &_unwind_libunwind_ops; 44