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tools/bpftool: Fix compilation warnings in 32-bit mode

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Fix few compilation warnings in bpftool when compiling in 32-bit mode.
Abstract away u64 to pointer conversion into a helper function.

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200813204945.1020225-2-andriin@fb.com
This commit is contained in:
Andrii Nakryiko
2020-08-13 13:49:37 -07:00
committed by Alexei Starovoitov
parent a62f68c172
commit 09f44b753a
4 changed files with 20 additions and 12 deletions
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16
tools/bpf/bpftool/prog.c
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@@ -428,14 +428,14 @@ prog_dump(struct bpf_prog_info *info, enum dump_mode mode,
p_info("no instructions returned");
return -1;
}
buf = (unsigned char *)(info->jited_prog_insns);
buf = u64_to_ptr(info->jited_prog_insns);
member_len = info->jited_prog_len;
} else { /* DUMP_XLATED */
if (info->xlated_prog_len == 0 || !info->xlated_prog_insns) {
p_err("error retrieving insn dump: kernel.kptr_restrict set?");
return -1;
}
buf = (unsigned char *)info->xlated_prog_insns;
buf = u64_to_ptr(info->xlated_prog_insns);
member_len = info->xlated_prog_len;
}
@@ -444,7 +444,7 @@ prog_dump(struct bpf_prog_info *info, enum dump_mode mode,
return -1;
}
func_info = (void *)info->func_info;
func_info = u64_to_ptr(info->func_info);
if (info->nr_line_info) {
prog_linfo = bpf_prog_linfo__new(info);
@@ -462,7 +462,7 @@ prog_dump(struct bpf_prog_info *info, enum dump_mode mode,
n = write(fd, buf, member_len);
close(fd);
if (n != member_len) {
if (n != (ssize_t)member_len) {
p_err("error writing output file: %s",
n < 0 ? strerror(errno) : "short write");
return -1;
@@ -492,13 +492,13 @@ prog_dump(struct bpf_prog_info *info, enum dump_mode mode,
__u32 i;
if (info->nr_jited_ksyms) {
kernel_syms_load(&dd);
ksyms = (__u64 *) info->jited_ksyms;
ksyms = u64_to_ptr(info->jited_ksyms);
}
if (json_output)
jsonw_start_array(json_wtr);
lens = (__u32 *) info->jited_func_lens;
lens = u64_to_ptr(info->jited_func_lens);
for (i = 0; i < info->nr_jited_func_lens; i++) {
if (ksyms) {
sym = kernel_syms_search(&dd, ksyms[i]);
@@ -559,7 +559,7 @@ prog_dump(struct bpf_prog_info *info, enum dump_mode mode,
} else {
kernel_syms_load(&dd);
dd.nr_jited_ksyms = info->nr_jited_ksyms;
dd.jited_ksyms = (__u64 *) info->jited_ksyms;
dd.jited_ksyms = u64_to_ptr(info->jited_ksyms);
dd.btf = btf;
dd.func_info = func_info;
dd.finfo_rec_size = info->func_info_rec_size;
@@ -1681,7 +1681,7 @@ static char *profile_target_name(int tgt_fd)
goto out;
}
func_info = (struct bpf_func_info *)(info_linear->info.func_info);
func_info = u64_to_ptr(info_linear->info.func_info);
t = btf__type_by_id(btf, func_info[0].type_id);
if (!t) {
p_err("btf %d doesn't have type %d",