| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 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; |