Linux Perf
arm64.c
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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/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 "debug.h"
26 #include "libunwind-aarch64.h"
27 #include <../../../../arch/arm64/include/uapi/asm/perf_regs.h>
28 #include "../../arch/arm64/util/unwind-libunwind.c"
29 
30 /* NO_LIBUNWIND_DEBUG_FRAME is a feature flag for local libunwind,
31  * assign NO_LIBUNWIND_DEBUG_FRAME_AARCH64 to it for compiling arm64
32  * unwind methods.
33  */
34 #undef NO_LIBUNWIND_DEBUG_FRAME
35 #ifdef NO_LIBUNWIND_DEBUG_FRAME_AARCH64
36 #define NO_LIBUNWIND_DEBUG_FRAME
37 #endif
39 
40 struct unwind_libunwind_ops *
static struct unwind_libunwind_ops _unwind_libunwind_ops
struct unwind_libunwind_ops * arm64_unwind_libunwind_ops
Definition: arm64.c:41