Messages in this thread Patch in this message | | | From | ferar achkar <> | Subject | perf: arm64: libunwind patch | Date | Tue, 17 Mar 2020 18:29:05 -0400 |
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hi, please find attached a compile error fix. regards,
ferar
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ferar@barbarian:~/renegade_rk3328/perf_core$ make -j4 ARCH=arm64 ....
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Warning: Kernel ABI header at 'tools/arch/arm64/include/uapi/asm/kvm.h' differs from latest version at 'arch/arm64/include/uapi/asm/kvm.h' diff -u tools/arch/arm64/include/uapi/asm/kvm.h arch/arm64/include/uapi/asm/kvm.h Warning: Kernel ABI header at 'tools/include/uapi/asm-generic/mman-common.h' differs from latest version at 'include/uapi/asm-generic/mman-common.h' diff -u tools/include/uapi/asm-generic/mman-common.h include/uapi/asm-generic/mman-common.h
Auto-detecting system features: ... dwarf: [ on ] ... dwarf_getlocations: [ on ] ... glibc: [ on ] ... gtk2: [ OFF ] ... libaudit: [ on ] ... libbfd: [ on ] ... libcap: [ on ] ... libelf: [ on ] ... libnuma: [ OFF ] ... numa_num_possible_cpus: [ OFF ] ... libperl: [ OFF ] ... libpython: [ OFF ] ... libcrypto: [ on ] ... libunwind: [ on ] ... libdw-dwarf-unwind: [ on ] ... zlib: [ on ] ... lzma: [ on ] ... get_cpuid: [ OFF ] ... bpf: [ on ] ... libaio: [ on ] ... libzstd: [ OFF ] ... disassembler-four-args: [ on ]
Makefile.config:497: No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev
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CC util/dwarf-regs.o CC util/unwind-libunwind-local.o CC util/unwind-libunwind.o CC util/libunwind/arm64.o util/libunwind/arm64.c:20:40: error: no previous prototype for ‘libunwind__arm64_reg_id’ [-Werror=missing-prototypes] #define LIBUNWIND__ARCH_REG_ID(regnum) libunwind__arm64_reg_id(regnum) ^ util/libunwind/../../arch/arm64/util/unwind-libunwind.c:11:5: note: in expansion of macro ‘LIBUNWIND__ARCH_REG_ID’ int LIBUNWIND__ARCH_REG_ID(int regnum) ^~~~~~~~~~~~~~~~~~~~~~ CC util/zlib.o CC util/lzma.o util/libunwind/arm64.c:20:40: error: redundant redeclaration of ‘libunwind__arm64_reg_id’ [-Werror=redundant-decls] #define LIBUNWIND__ARCH_REG_ID(regnum) libunwind__arm64_reg_id(regnum) ^ /home/ferar/renegade_rk3328/linux-5.4.0-rc1/tools/perf/util/unwind.h:49:5: note: in expansion of macro ‘LIBUNWIND__ARCH_REG_ID’ int LIBUNWIND__ARCH_REG_ID(int regnum); ^~~~~~~~~~~~~~~~~~~~~~ util/libunwind/arm64.c:20:40: note: previous definition of ‘libunwind__arm64_reg_id’ was here #define LIBUNWIND__ARCH_REG_ID(regnum) libunwind__arm64_reg_id(regnum) ^ util/libunwind/../../arch/arm64/util/unwind-libunwind.c:11:5: note: in expansion of macro ‘LIBUNWIND__ARCH_REG_ID’ int LIBUNWIND__ARCH_REG_ID(int regnum) ^~~~~~~~~~~~~~~~~~~~~~ CC util/cap.o CC util/demangle-java.o CC util/demangle-rust.o ....
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From 0c6bf617d5696dda28ecac776c09b3f5b3921526 Mon Sep 17 00:00:00 2001 From: ferar achkar <ferarachkar@gmail.com> Date: Tue, 17 Mar 2020 18:15:37 -0400 Subject: [PATCH] Fix Arm64 libunwind trivial compile error MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit
fix trivial compile error 'no previous prototype for ‘libunwind__arm64_reg_id’' [-Werror=missing-prototypes], this error related to including userspace bundled 'unwind.h' instead of using perf's local version. --- tools/perf/util/libunwind/arm64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/util/libunwind/arm64.c b/tools/perf/util/libunwind/arm64.c index 6b4e5a089..fd26e612d 100644 --- a/tools/perf/util/libunwind/arm64.c +++ b/tools/perf/util/libunwind/arm64.c @@ -21,7 +21,7 @@ #define LIBUNWIND__ARCH_REG_IP PERF_REG_ARM64_PC #define LIBUNWIND__ARCH_REG_SP PERF_REG_ARM64_SP -#include "unwind.h" +#include "../../util/unwind.h" #include "libunwind-aarch64.h" #include <../../../../arch/arm64/include/uapi/asm/perf_regs.h> #include "../../arch/arm64/util/unwind-libunwind.c" -- 2.17.1
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