mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-16 00:34:20 +08:00
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>
62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef __PERF_REGS_H
|
|
#define __PERF_REGS_H
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/compiler.h>
|
|
|
|
struct regs_dump;
|
|
|
|
struct sample_reg {
|
|
const char *name;
|
|
uint64_t mask;
|
|
};
|
|
#define SMPL_REG(n, b) { .name = #n, .mask = 1ULL << (b) }
|
|
#define SMPL_REG2(n, b) { .name = #n, .mask = 3ULL << (b) }
|
|
#define SMPL_REG_END { .name = NULL }
|
|
|
|
enum {
|
|
SDT_ARG_VALID = 0,
|
|
SDT_ARG_SKIP,
|
|
};
|
|
|
|
int arch_sdt_arg_parse_op(char *old_op, char **new_op);
|
|
uint64_t arch__intr_reg_mask(void);
|
|
uint64_t arch__user_reg_mask(void);
|
|
|
|
#ifdef HAVE_PERF_REGS_SUPPORT
|
|
extern const struct sample_reg sample_reg_masks[];
|
|
|
|
#include <perf_regs.h>
|
|
|
|
#define DWARF_MINIMAL_REGS ((1ULL << PERF_REG_IP) | (1ULL << PERF_REG_SP))
|
|
|
|
int perf_reg_value(u64 *valp, struct regs_dump *regs, int id);
|
|
|
|
static inline const char *perf_reg_name(int id)
|
|
{
|
|
const char *reg_name = __perf_reg_name(id);
|
|
|
|
return reg_name ?: "unknown";
|
|
}
|
|
|
|
#else
|
|
#define PERF_REGS_MASK 0
|
|
#define PERF_REGS_MAX 0
|
|
|
|
#define DWARF_MINIMAL_REGS PERF_REGS_MASK
|
|
|
|
static inline const char *perf_reg_name(int id __maybe_unused)
|
|
{
|
|
return "unknown";
|
|
}
|
|
|
|
static inline int perf_reg_value(u64 *valp __maybe_unused,
|
|
struct regs_dump *regs __maybe_unused,
|
|
int id __maybe_unused)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif /* HAVE_PERF_REGS_SUPPORT */
|
|
#endif /* __PERF_REGS_H */
|