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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/print_binary.c | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.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/print_binary.c')
-rw-r--r-- | tools/perf/util/print_binary.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/tools/perf/util/print_binary.c b/tools/perf/util/print_binary.c new file mode 100644 index 000000000..13fdc51c6 --- /dev/null +++ b/tools/perf/util/print_binary.c @@ -0,0 +1,58 @@ +// SPDX-License-Identifier: GPL-2.0 +#include "print_binary.h" +#include <linux/log2.h> +#include <linux/ctype.h> + +int binary__fprintf(unsigned char *data, size_t len, + size_t bytes_per_line, binary__fprintf_t printer, + void *extra, FILE *fp) +{ + size_t i, j, mask; + int printed = 0; + + if (!printer) + return 0; + + bytes_per_line = roundup_pow_of_two(bytes_per_line); + mask = bytes_per_line - 1; + + printed += printer(BINARY_PRINT_DATA_BEGIN, 0, extra, fp); + for (i = 0; i < len; i++) { + if ((i & mask) == 0) { + printed += printer(BINARY_PRINT_LINE_BEGIN, -1, extra, fp); + printed += printer(BINARY_PRINT_ADDR, i, extra, fp); + } + + printed += printer(BINARY_PRINT_NUM_DATA, data[i], extra, fp); + + if (((i & mask) == mask) || i == len - 1) { + for (j = 0; j < mask-(i & mask); j++) + printed += printer(BINARY_PRINT_NUM_PAD, -1, extra, fp); + + printer(BINARY_PRINT_SEP, i, extra, fp); + for (j = i & ~mask; j <= i; j++) + printed += printer(BINARY_PRINT_CHAR_DATA, data[j], extra, fp); + for (j = 0; j < mask-(i & mask); j++) + printed += printer(BINARY_PRINT_CHAR_PAD, i, extra, fp); + printed += printer(BINARY_PRINT_LINE_END, -1, extra, fp); + } + } + printed += printer(BINARY_PRINT_DATA_END, -1, extra, fp); + return printed; +} + +int is_printable_array(char *p, unsigned int len) +{ + unsigned int i; + + if (!p || !len || p[len - 1] != 0) + return 0; + + len--; + + for (i = 0; i < len && p[i]; i++) { + if (!isprint(p[i]) && !isspace(p[i])) + return 0; + } + return 1; +} |