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SubjectRe: [PATCH v2 2/3] lib kallsyms: parse using io api
On Fri, May 01, 2020 at 03:13:14PM -0700, Ian Rogers wrote:

SNIP

> diff --git a/tools/lib/symbol/kallsyms.c b/tools/lib/symbol/kallsyms.c
> index 1a7a9f877095..e335ac2b9e19 100644
> --- a/tools/lib/symbol/kallsyms.c
> +++ b/tools/lib/symbol/kallsyms.c
> @@ -1,7 +1,9 @@
> // SPDX-License-Identifier: GPL-2.0
> #include "symbol/kallsyms.h"
> +#include "api/io.h"
> #include <stdio.h>
> -#include <stdlib.h>
> +#include <sys/stat.h>
> +#include <fcntl.h>
>
> u8 kallsyms2elf_type(char type)
> {
> @@ -15,74 +17,62 @@ bool kallsyms__is_function(char symbol_type)
> return symbol_type == 'T' || symbol_type == 'W';
> }
>
> -/*
> - * While we find nice hex chars, build a long_val.
> - * Return number of chars processed.
> - */
> -int hex2u64(const char *ptr, u64 *long_val)

hi,
when you remove in here hex2u64, you'll break the compile:

LINK perf
/usr/bin/ld: perf-in.o: in function `modules__parse':
/home/jolsa/linux-perf/tools/perf/util/symbol.c:607: undefined reference to `hex2u64'
/usr/bin/ld: /home/jolsa/linux-perf/tools/perf/util/symbol.c:607: undefined reference to `hex2u64'
/usr/bin/ld: perf-in.o: in function `dso__load_perf_map':
/home/jolsa/linux-perf/tools/perf/util/symbol.c:1477: undefined reference to `hex2u64'
/usr/bin/ld: /home/jolsa/linux-perf/tools/perf/util/symbol.c:1483: undefined reference to `hex2u64'
collect2: error: ld returned 1 exit status
make[2]: *** [Makefile.perf:629: perf] Error 1
make[1]: *** [Makefile.perf:225: sub-make] Error 2
make: *** [Makefile:70: all] Error 2

that hex2u64 move needs to come before this change

jirka

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