067012974c
gcc version: 11.0.0 20210208 (experimental) (GCC)
Following build error on arm64:
.......
In function ‘printf’,
inlined from ‘regs_dump__printf’ at util/session.c:1141:3,
inlined from ‘regs__printf’ at util/session.c:1169:2:
/usr/include/aarch64-linux-gnu/bits/stdio2.h:107:10: \
error: ‘%-5s’ directive argument is null [-Werror=format-overflow=]
107 | return __printf_chk (__USE_FORTIFY_LEVEL - 1, __fmt, \
__va_arg_pack ());
......
In function ‘fprintf’,
inlined from ‘perf_sample__fprintf_regs.isra’ at \
builtin-script.c:622:14:
/usr/include/aarch64-linux-gnu/bits/stdio2.h💯10: \
error: ‘%5s’ directive argument is null [-Werror=format-overflow=]
100 | return __fprintf_chk (__stream, __USE_FORTIFY_LEVEL - 1, __fmt,
101 | __va_arg_pack ());
cc1: all warnings being treated as errors
.......
This patch fixes Wformat-overflow warnings. Add helper function to
convert NULL to "unknown".
Signed-off-by: Jianlin Lv <Jianlin.Lv@arm.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Anju T Sudhakar <anju@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Guo Ren <guoren@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: iecedge@gmail.com
Cc: linux-csky@vger.kernel.org
Cc: linux-riscv@lists.infradead.org
Link: http://lore.kernel.org/lkml/20210218031245.2078492-1-Jianlin.Lv@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef ARCH_PERF_REGS_H
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#define ARCH_PERF_REGS_H
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#include <stdlib.h>
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#include <linux/types.h>
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#include <asm/perf_regs.h>
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void perf_regs_load(u64 *regs);
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#define PERF_REGS_MASK ((1ULL << PERF_REG_POWERPC_MAX) - 1)
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#define PERF_REGS_MAX PERF_REG_POWERPC_MAX
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#ifdef __powerpc64__
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#define PERF_SAMPLE_REGS_ABI PERF_SAMPLE_REGS_ABI_64
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#else
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#define PERF_SAMPLE_REGS_ABI PERF_SAMPLE_REGS_ABI_32
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#endif
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#define PERF_REG_IP PERF_REG_POWERPC_NIP
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#define PERF_REG_SP PERF_REG_POWERPC_R1
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static const char *reg_names[] = {
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[PERF_REG_POWERPC_R0] = "r0",
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[PERF_REG_POWERPC_R1] = "r1",
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[PERF_REG_POWERPC_R2] = "r2",
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[PERF_REG_POWERPC_R3] = "r3",
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[PERF_REG_POWERPC_R4] = "r4",
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[PERF_REG_POWERPC_R5] = "r5",
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[PERF_REG_POWERPC_R6] = "r6",
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[PERF_REG_POWERPC_R7] = "r7",
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[PERF_REG_POWERPC_R8] = "r8",
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[PERF_REG_POWERPC_R9] = "r9",
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[PERF_REG_POWERPC_R10] = "r10",
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[PERF_REG_POWERPC_R11] = "r11",
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[PERF_REG_POWERPC_R12] = "r12",
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[PERF_REG_POWERPC_R13] = "r13",
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[PERF_REG_POWERPC_R14] = "r14",
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[PERF_REG_POWERPC_R15] = "r15",
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[PERF_REG_POWERPC_R16] = "r16",
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[PERF_REG_POWERPC_R17] = "r17",
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[PERF_REG_POWERPC_R18] = "r18",
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[PERF_REG_POWERPC_R19] = "r19",
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[PERF_REG_POWERPC_R20] = "r20",
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[PERF_REG_POWERPC_R21] = "r21",
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[PERF_REG_POWERPC_R22] = "r22",
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[PERF_REG_POWERPC_R23] = "r23",
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[PERF_REG_POWERPC_R24] = "r24",
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[PERF_REG_POWERPC_R25] = "r25",
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[PERF_REG_POWERPC_R26] = "r26",
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[PERF_REG_POWERPC_R27] = "r27",
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[PERF_REG_POWERPC_R28] = "r28",
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[PERF_REG_POWERPC_R29] = "r29",
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[PERF_REG_POWERPC_R30] = "r30",
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[PERF_REG_POWERPC_R31] = "r31",
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[PERF_REG_POWERPC_NIP] = "nip",
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[PERF_REG_POWERPC_MSR] = "msr",
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[PERF_REG_POWERPC_ORIG_R3] = "orig_r3",
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[PERF_REG_POWERPC_CTR] = "ctr",
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[PERF_REG_POWERPC_LINK] = "link",
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[PERF_REG_POWERPC_XER] = "xer",
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[PERF_REG_POWERPC_CCR] = "ccr",
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[PERF_REG_POWERPC_SOFTE] = "softe",
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[PERF_REG_POWERPC_TRAP] = "trap",
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[PERF_REG_POWERPC_DAR] = "dar",
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[PERF_REG_POWERPC_DSISR] = "dsisr",
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[PERF_REG_POWERPC_SIER] = "sier",
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[PERF_REG_POWERPC_MMCRA] = "mmcra",
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[PERF_REG_POWERPC_MMCR0] = "mmcr0",
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[PERF_REG_POWERPC_MMCR1] = "mmcr1",
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[PERF_REG_POWERPC_MMCR2] = "mmcr2",
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[PERF_REG_POWERPC_MMCR3] = "mmcr3",
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[PERF_REG_POWERPC_SIER2] = "sier2",
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[PERF_REG_POWERPC_SIER3] = "sier3",
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[PERF_REG_POWERPC_PMC1] = "pmc1",
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[PERF_REG_POWERPC_PMC2] = "pmc2",
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[PERF_REG_POWERPC_PMC3] = "pmc3",
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[PERF_REG_POWERPC_PMC4] = "pmc4",
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[PERF_REG_POWERPC_PMC5] = "pmc5",
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[PERF_REG_POWERPC_PMC6] = "pmc6",
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};
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static inline const char *__perf_reg_name(int id)
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{
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return reg_names[id];
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}
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#endif /* ARCH_PERF_REGS_H */
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