diff options
Diffstat (limited to '')
| -rw-r--r-- | tools/bpf/bpftool/jit_disasm.c | 34 |
1 files changed, 23 insertions, 11 deletions
diff --git a/tools/bpf/bpftool/jit_disasm.c b/tools/bpf/bpftool/jit_disasm.c index b2ed5ee1af5f..f381f8628ce9 100644 --- a/tools/bpf/bpftool/jit_disasm.c +++ b/tools/bpf/bpftool/jit_disasm.c @@ -19,29 +19,21 @@ #include <string.h> #include <bfd.h> #include <dis-asm.h> -#include <sys/types.h> #include <sys/stat.h> #include <limits.h> +#include <libbpf.h> #include "json_writer.h" #include "main.h" static void get_exec_path(char *tpath, size_t size) { + const char *path = "/proc/self/exe"; ssize_t len; - char *path; - - snprintf(tpath, size, "/proc/%d/exe", (int) getpid()); - tpath[size - 1] = 0; - - path = strdup(tpath); - assert(path); len = readlink(path, tpath, size - 1); assert(len > 0); tpath[len] = 0; - - free(path); } static int oper_count; @@ -77,10 +69,16 @@ static int fprintf_json(void *out, const char *fmt, ...) } void disasm_print_insn(unsigned char *image, ssize_t len, int opcodes, - const char *arch, const char *disassembler_options) + const char *arch, const char *disassembler_options, + const struct btf *btf, + const struct bpf_prog_linfo *prog_linfo, + __u64 func_ksym, unsigned int func_idx, + bool linum) { + const struct bpf_line_info *linfo = NULL; disassembler_ftype disassemble; struct disassemble_info info; + unsigned int nr_skip = 0; int count, i, pc = 0; char tpath[PATH_MAX]; bfd *bfdf; @@ -136,12 +134,26 @@ void disasm_print_insn(unsigned char *image, ssize_t len, int opcodes, if (json_output) jsonw_start_array(json_wtr); do { + if (prog_linfo) { + linfo = bpf_prog_linfo__lfind_addr_func(prog_linfo, + func_ksym + pc, + func_idx, + nr_skip); + if (linfo) + nr_skip++; + } + if (json_output) { jsonw_start_object(json_wtr); oper_count = 0; + if (linfo) + btf_dump_linfo_json(btf, linfo, linum); jsonw_name(json_wtr, "pc"); jsonw_printf(json_wtr, "\"0x%x\"", pc); } else { + if (linfo) + btf_dump_linfo_plain(btf, linfo, "; ", + linum); printf("%4x:\t", pc); } |