32     printf("Usage: unwind_symbols <ELF_FILE> [<FUNC_ADDRESS>]\n");  in main()
33     printf("  Dump all function symbols in ELF_FILE. If FUNC_ADDRESS is\n");  in main()
34     printf("  specified, then get the function at that address.\n");  in main()
35     printf("  FUNC_ADDRESS must be a hex number.\n");  in main()
41     printf("Cannot stat %s: %s\n", argv[1], strerror(errno));  in main()
45     printf("%s is not a regular file.\n", argv[1]);  in main()
54       printf("%s is not a hex number.\n", argv[2]);  in main()
64     printf("%s is not a valid elf file.\n", argv[1]);  in main()
70     printf("Soname: %s\n\n", soname.c_str());  in main()
75       printf("ABI: arm\n");  in main()
78       printf("ABI: arm64\n");  in main()
81       printf("ABI: x86\n");  in main()
84       printf("ABI: x86_64\n");  in main()
87       printf("ABI: unknown\n");  in main()
96       printf("No known function at 0x%" PRIx64 "\n", func_addr);  in main()
99     printf("<0x%" PRIx64 ">", func_addr - func_offset);  in main()
101       printf("+%" PRId64, func_offset);  in main()
103     printf(": %s\n", cur_name.c_str());  in main()
116           printf("<0x%" PRIx64 "> Function: %s\n", addr - func_offset, cur_name.c_str());  in main()