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tools/bpf: rename *_info_cnt to nr_*_info

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Rename all occurances of *_info_cnt field access
to nr_*_info in tools directory.

The local variables finfo_cnt, linfo_cnt and jited_linfo_cnt
in function do_dump() of tools/bpf/bpftool/prog.c are also
changed to nr_finfo, nr_linfo and nr_jited_linfo to
keep naming convention consistent.

Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Yonghong Song 2018-12-10 14:14:10 -08:00 committed by Alexei Starovoitov
parent b4f8623c0c
commit cfc542411b
3 changed files with 56 additions and 56 deletions
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48
tools/bpf/bpftool/prog.c
View File

@ -425,7 +425,7 @@ static int do_dump(int argc, char **argv)
{
unsigned int finfo_rec_size, linfo_rec_size, jited_linfo_rec_size;
void *func_info = NULL, *linfo = NULL, *jited_linfo = NULL;
unsigned int finfo_cnt, linfo_cnt = 0, jited_linfo_cnt = 0;
unsigned int nr_finfo, nr_linfo = 0, nr_jited_linfo = 0;
struct bpf_prog_linfo *prog_linfo = NULL;
unsigned long *func_ksyms = NULL;
struct bpf_prog_info info = {};
@ -537,10 +537,10 @@ static int do_dump(int argc, char **argv)
}
}
finfo_cnt = info.func_info_cnt;
nr_finfo = info.nr_func_info;
finfo_rec_size = info.func_info_rec_size;
if (finfo_cnt && finfo_rec_size) {
func_info = malloc(finfo_cnt * finfo_rec_size);
if (nr_finfo && finfo_rec_size) {
func_info = malloc(nr_finfo * finfo_rec_size);
if (!func_info) {
p_err("mem alloc failed");
close(fd);
@ -549,9 +549,9 @@ static int do_dump(int argc, char **argv)
}
linfo_rec_size = info.line_info_rec_size;
if (info.line_info_cnt && linfo_rec_size && info.btf_id) {
linfo_cnt = info.line_info_cnt;
linfo = malloc(linfo_cnt * linfo_rec_size);
if (info.nr_line_info && linfo_rec_size && info.btf_id) {
nr_linfo = info.nr_line_info;
linfo = malloc(nr_linfo * linfo_rec_size);
if (!linfo) {
p_err("mem alloc failed");
close(fd);
@ -560,13 +560,13 @@ static int do_dump(int argc, char **argv)
}
jited_linfo_rec_size = info.jited_line_info_rec_size;
if (info.jited_line_info_cnt &&
if (info.nr_jited_line_info &&
jited_linfo_rec_size &&
info.nr_jited_ksyms &&
info.nr_jited_func_lens &&
info.btf_id) {
jited_linfo_cnt = info.jited_line_info_cnt;
jited_linfo = malloc(jited_linfo_cnt * jited_linfo_rec_size);
nr_jited_linfo = info.nr_jited_line_info;
jited_linfo = malloc(nr_jited_linfo * jited_linfo_rec_size);
if (!jited_linfo) {
p_err("mem alloc failed");
close(fd);
@ -582,13 +582,13 @@ static int do_dump(int argc, char **argv)
info.nr_jited_ksyms = nr_func_ksyms;
info.jited_func_lens = ptr_to_u64(func_lens);
info.nr_jited_func_lens = nr_func_lens;
info.func_info_cnt = finfo_cnt;
info.nr_func_info = nr_finfo;
info.func_info_rec_size = finfo_rec_size;
info.func_info = ptr_to_u64(func_info);
info.line_info_cnt = linfo_cnt;
info.nr_line_info = nr_linfo;
info.line_info_rec_size = linfo_rec_size;
info.line_info = ptr_to_u64(linfo);
info.jited_line_info_cnt = jited_linfo_cnt;
info.nr_jited_line_info = nr_jited_linfo;
info.jited_line_info_rec_size = jited_linfo_rec_size;
info.jited_line_info = ptr_to_u64(jited_linfo);
@ -614,9 +614,9 @@ static int do_dump(int argc, char **argv)
goto err_free;
}
if (info.func_info_cnt != finfo_cnt) {
p_err("incorrect func_info_cnt %d vs. expected %d",
info.func_info_cnt, finfo_cnt);
if (info.nr_func_info != nr_finfo) {
p_err("incorrect nr_func_info %d vs. expected %d",
info.nr_func_info, nr_finfo);
goto err_free;
}
@ -630,12 +630,12 @@ static int do_dump(int argc, char **argv)
/* kernel.kptr_restrict is set. No func_info available. */
free(func_info);
func_info = NULL;
finfo_cnt = 0;
nr_finfo = 0;
}
if (linfo && info.line_info_cnt != linfo_cnt) {
p_err("incorrect line_info_cnt %u vs. expected %u",
info.line_info_cnt, linfo_cnt);
if (linfo && info.nr_line_info != nr_linfo) {
p_err("incorrect nr_line_info %u vs. expected %u",
info.nr_line_info, nr_linfo);
goto err_free;
}
@ -645,9 +645,9 @@ static int do_dump(int argc, char **argv)
goto err_free;
}
if (jited_linfo && info.jited_line_info_cnt != jited_linfo_cnt) {
p_err("incorrect jited_line_info_cnt %u vs. expected %u",
info.jited_line_info_cnt, jited_linfo_cnt);
if (jited_linfo && info.nr_jited_line_info != nr_jited_linfo) {
p_err("incorrect nr_jited_line_info %u vs. expected %u",
info.nr_jited_line_info, nr_jited_linfo);
goto err_free;
}
@ -670,7 +670,7 @@ static int do_dump(int argc, char **argv)
goto err_free;
}
if (linfo_cnt) {
if (nr_linfo) {
prog_linfo = bpf_prog_linfo__new(&info);
if (!prog_linfo)
p_info("error in processing bpf_line_info. continue without it.");

4
tools/lib/bpf/bpf_prog_linfo.c
View File

@ -105,7 +105,7 @@ struct bpf_prog_linfo *bpf_prog_linfo__new(const struct bpf_prog_info *info)
struct bpf_prog_linfo *prog_linfo;
__u32 nr_linfo, nr_jited_func;
nr_linfo = info->line_info_cnt;
nr_linfo = info->nr_line_info;
/*
* Test !info->line_info because the kernel may NULL
@ -138,7 +138,7 @@ struct bpf_prog_linfo *bpf_prog_linfo__new(const struct bpf_prog_info *info)
nr_jited_func = info->nr_jited_ksyms;
if (!nr_jited_func ||
!info->jited_line_info ||
info->jited_line_info_cnt != nr_linfo ||
info->nr_jited_line_info != nr_linfo ||
info->jited_line_info_rec_size < sizeof(__u64) ||
info->nr_jited_func_lens != nr_jited_func ||
!info->jited_ksyms ||

60
tools/testing/selftests/bpf/test_btf.c
View File

@ -2548,9 +2548,9 @@ static int do_test_file(unsigned int test_num)
err = -1;
goto done;
}
if (CHECK(info.func_info_cnt != 3,
"incorrect info.func_info_cnt (1st) %d",
info.func_info_cnt)) {
if (CHECK(info.nr_func_info != 3,
"incorrect info.nr_func_info (1st) %d",
info.nr_func_info)) {
err = -1;
goto done;
}
@ -2561,7 +2561,7 @@ static int do_test_file(unsigned int test_num)
goto done;
}
func_info = malloc(info.func_info_cnt * rec_size);
func_info = malloc(info.nr_func_info * rec_size);
if (CHECK(!func_info, "out of memory")) {
err = -1;
goto done;
@ -2569,7 +2569,7 @@ static int do_test_file(unsigned int test_num)
/* reset info to only retrieve func_info related data */
memset(&info, 0, sizeof(info));
info.func_info_cnt = 3;
info.nr_func_info = 3;
info.func_info_rec_size = rec_size;
info.func_info = ptr_to_u64(func_info);
@ -2580,9 +2580,9 @@ static int do_test_file(unsigned int test_num)
err = -1;
goto done;
}
if (CHECK(info.func_info_cnt != 3,
"incorrect info.func_info_cnt (2nd) %d",
info.func_info_cnt)) {
if (CHECK(info.nr_func_info != 3,
"incorrect info.nr_func_info (2nd) %d",
info.nr_func_info)) {
err = -1;
goto done;
}
@ -3544,9 +3544,9 @@ static int test_get_finfo(const struct prog_info_raw_test *test,
fprintf(stderr, "%s\n", btf_log_buf);
return -1;
}
if (CHECK(info.func_info_cnt != test->func_info_cnt,
"incorrect info.func_info_cnt (1st) %d",
info.func_info_cnt)) {
if (CHECK(info.nr_func_info != test->func_info_cnt,
"incorrect info.nr_func_info (1st) %d",
info.nr_func_info)) {
return -1;
}
@ -3556,16 +3556,16 @@ static int test_get_finfo(const struct prog_info_raw_test *test,
return -1;
}
if (!info.func_info_cnt)
if (!info.nr_func_info)
return 0;
func_info = malloc(info.func_info_cnt * rec_size);
func_info = malloc(info.nr_func_info * rec_size);
if (CHECK(!func_info, "out of memory"))
return -1;
/* reset info to only retrieve func_info related data */
memset(&info, 0, sizeof(info));
info.func_info_cnt = test->func_info_cnt;
info.nr_func_info = test->func_info_cnt;
info.func_info_rec_size = rec_size;
info.func_info = ptr_to_u64(func_info);
err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
@ -3574,9 +3574,9 @@ static int test_get_finfo(const struct prog_info_raw_test *test,
err = -1;
goto done;
}
if (CHECK(info.func_info_cnt != test->func_info_cnt,
"incorrect info.func_info_cnt (2nd) %d",
info.func_info_cnt)) {
if (CHECK(info.nr_func_info != test->func_info_cnt,
"incorrect info.nr_func_info (2nd) %d",
info.nr_func_info)) {
err = -1;
goto done;
}
@ -3648,14 +3648,14 @@ static int test_get_linfo(const struct prog_info_raw_test *test,
nr_jited_func_lens = 1;
}
if (CHECK(info.line_info_cnt != cnt ||
info.jited_line_info_cnt != jited_cnt ||
if (CHECK(info.nr_line_info != cnt ||
info.nr_jited_line_info != jited_cnt ||
info.nr_jited_ksyms != nr_jited_ksyms ||
info.nr_jited_func_lens != nr_jited_func_lens ||
(!info.line_info_cnt && info.jited_line_info_cnt),
"info: line_info_cnt:%u(expected:%u) jited_line_info_cnt:%u(expected:%u) nr_jited_ksyms:%u(expected:%u) nr_jited_func_lens:%u(expected:%u)",
info.line_info_cnt, cnt,
info.jited_line_info_cnt, jited_cnt,
(!info.nr_line_info && info.nr_jited_line_info),
"info: nr_line_info:%u(expected:%u) nr_jited_line_info:%u(expected:%u) nr_jited_ksyms:%u(expected:%u) nr_jited_func_lens:%u(expected:%u)",
info.nr_line_info, cnt,
info.nr_jited_line_info, jited_cnt,
info.nr_jited_ksyms, nr_jited_ksyms,
info.nr_jited_func_lens, nr_jited_func_lens)) {
err = -1;
@ -3684,7 +3684,7 @@ static int test_get_linfo(const struct prog_info_raw_test *test,
err = -1;
goto done;
}
info.line_info_cnt = cnt;
info.nr_line_info = cnt;
info.line_info_rec_size = rec_size;
info.line_info = ptr_to_u64(linfo);
@ -3700,7 +3700,7 @@ static int test_get_linfo(const struct prog_info_raw_test *test,
goto done;
}
info.jited_line_info_cnt = jited_cnt;
info.nr_jited_line_info = jited_cnt;
info.jited_line_info_rec_size = jited_rec_size;
info.jited_line_info = ptr_to_u64(jited_linfo);
info.nr_jited_ksyms = nr_jited_ksyms;
@ -3717,15 +3717,15 @@ static int test_get_linfo(const struct prog_info_raw_test *test,
*/
if (CHECK(err == -1 ||
!info.line_info ||
info.line_info_cnt != cnt ||
info.nr_line_info != cnt ||
(jited_cnt && !info.jited_line_info) ||
info.jited_line_info_cnt != jited_cnt ||
info.nr_jited_line_info != jited_cnt ||
info.line_info_rec_size != rec_size ||
info.jited_line_info_rec_size != jited_rec_size,
"err:%d errno:%d info: line_info_cnt:%u(expected:%u) jited_line_info_cnt:%u(expected:%u) line_info_rec_size:%u(expected:%u) jited_linfo_rec_size:%u(expected:%u) line_info:%p jited_line_info:%p",
"err:%d errno:%d info: nr_line_info:%u(expected:%u) nr_jited_line_info:%u(expected:%u) line_info_rec_size:%u(expected:%u) jited_linfo_rec_size:%u(expected:%u) line_info:%p jited_line_info:%p",
err, errno,
info.line_info_cnt, cnt,
info.jited_line_info_cnt, jited_cnt,
info.nr_line_info, cnt,
info.nr_jited_line_info, jited_cnt,
info.line_info_rec_size, rec_size,
info.jited_line_info_rec_size, jited_rec_size,
(void *)(long)info.line_info,