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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/perf/util/libunwind/arm64.c | |
parent | Initial commit. (diff) | |
download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/util/libunwind/arm64.c')
-rw-r--r-- | tools/perf/util/libunwind/arm64.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/tools/perf/util/libunwind/arm64.c b/tools/perf/util/libunwind/arm64.c new file mode 100644 index 000000000..6b4e5a089 --- /dev/null +++ b/tools/perf/util/libunwind/arm64.c @@ -0,0 +1,40 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * This file setups defines to compile arch specific binary from the + * generic one. + * + * The function 'LIBUNWIND__ARCH_REG_ID' name is set according to arch + * name and the defination of this function is included directly from + * 'arch/arm64/util/unwind-libunwind.c', to make sure that this function + * is defined no matter what arch the host is. + * + * Finally, the arch specific unwind methods are exported which will + * be assigned to each arm64 thread. + */ + +#define REMOTE_UNWIND_LIBUNWIND + +/* Define arch specific functions & regs for libunwind, should be + * defined before including "unwind.h" + */ +#define LIBUNWIND__ARCH_REG_ID(regnum) libunwind__arm64_reg_id(regnum) +#define LIBUNWIND__ARCH_REG_IP PERF_REG_ARM64_PC +#define LIBUNWIND__ARCH_REG_SP PERF_REG_ARM64_SP + +#include "unwind.h" +#include "libunwind-aarch64.h" +#include <../../../../arch/arm64/include/uapi/asm/perf_regs.h> +#include "../../arch/arm64/util/unwind-libunwind.c" + +/* NO_LIBUNWIND_DEBUG_FRAME is a feature flag for local libunwind, + * assign NO_LIBUNWIND_DEBUG_FRAME_AARCH64 to it for compiling arm64 + * unwind methods. + */ +#undef NO_LIBUNWIND_DEBUG_FRAME +#ifdef NO_LIBUNWIND_DEBUG_FRAME_AARCH64 +#define NO_LIBUNWIND_DEBUG_FRAME +#endif +#include "util/unwind-libunwind-local.c" + +struct unwind_libunwind_ops * +arm64_unwind_libunwind_ops = &_unwind_libunwind_ops; |