forked from OSchip/llvm-project
430 lines
22 KiB
Python
430 lines
22 KiB
Python
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#!/usr/bin/env python3
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"""Generate many skeletal functions with a thick call graph spanning a
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large address space to induce lld to create branch-islands for arm64.
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"""
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from __future__ import print_function
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import random
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import argparse
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import string
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from pprint import pprint
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from math import factorial
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from itertools import permutations
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# This list comes from libSystem.tbd and contains a sizeable subset
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# of dylib calls available for all MacOS target archs.
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libSystem_calls = (
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"__CurrentRuneLocale", "__DefaultRuneLocale", "__Exit", "__NSGetArgc",
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"__NSGetArgv", "__NSGetEnviron", "__NSGetMachExecuteHeader",
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"__NSGetProgname", "__PathLocale", "__Read_RuneMagi", "___Balloc_D2A",
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"___Bfree_D2A", "___ULtod_D2A", "____mb_cur_max", "____mb_cur_max_l",
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"____runetype", "____runetype_l", "____tolower", "____tolower_l",
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"____toupper", "____toupper_l", "___add_ovflpage", "___addel",
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"___any_on_D2A", "___assert_rtn", "___b2d_D2A", "___big_delete",
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"___big_insert", "___big_keydata", "___big_return", "___big_split",
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"___bigtens_D2A", "___bt_close", "___bt_cmp", "___bt_defcmp",
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"___bt_defpfx", "___bt_delete", "___bt_dleaf", "___bt_fd",
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"___bt_free", "___bt_get", "___bt_new", "___bt_open", "___bt_pgin",
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"___bt_pgout", "___bt_put", "___bt_ret", "___bt_search", "___bt_seq",
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"___bt_setcur", "___bt_split", "___bt_sync", "___buf_free",
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"___call_hash", "___cleanup", "___cmp_D2A", "___collate_equiv_match",
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"___collate_load_error", "___collate_lookup", "___collate_lookup_l",
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"___copybits_D2A", "___cxa_atexit", "___cxa_finalize",
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"___cxa_finalize_ranges", "___cxa_thread_atexit", "___d2b_D2A",
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"___dbpanic", "___decrement_D2A", "___default_hash", "___default_utx",
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"___delpair", "___diff_D2A", "___dtoa", "___expand_table",
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"___fflush", "___fgetwc", "___find_bigpair", "___find_last_page",
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"___fix_locale_grouping_str", "___fread", "___free_ovflpage",
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"___freedtoa", "___gdtoa", "___gdtoa_locks", "___get_buf",
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"___get_page", "___gethex_D2A", "___getonlyClocaleconv",
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"___hash_open", "___hdtoa", "___hexdig_D2A", "___hexdig_init_D2A",
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"___hexnan_D2A", "___hi0bits_D2A", "___hldtoa", "___i2b_D2A",
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"___ibitmap", "___increment_D2A", "___isctype", "___istype",
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"___istype_l", "___ldtoa", "___libc_init", "___lo0bits_D2A",
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"___log2", "___lshift_D2A", "___maskrune", "___maskrune_l",
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"___match_D2A", "___mb_cur_max", "___mb_sb_limit", "___memccpy_chk",
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"___memcpy_chk", "___memmove_chk", "___memset_chk", "___mult_D2A",
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"___multadd_D2A", "___nrv_alloc_D2A", "___opendir2", "___ovfl_delete",
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"___ovfl_get", "___ovfl_put", "___pow5mult_D2A", "___put_page",
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"___quorem_D2A", "___ratio_D2A", "___rec_close", "___rec_delete",
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"___rec_dleaf", "___rec_fd", "___rec_fmap", "___rec_fpipe",
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"___rec_get", "___rec_iput", "___rec_open", "___rec_put",
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"___rec_ret", "___rec_search", "___rec_seq", "___rec_sync",
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"___rec_vmap", "___rec_vpipe", "___reclaim_buf", "___rshift_D2A",
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"___rv_alloc_D2A", "___s2b_D2A", "___sF", "___sclose", "___sdidinit",
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"___set_ones_D2A", "___setonlyClocaleconv", "___sflags", "___sflush",
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"___sfp", "___sfvwrite", "___sglue", "___sinit", "___slbexpand",
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"___smakebuf", "___snprintf_chk", "___snprintf_object_size_chk",
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"___split_page", "___sprintf_chk", "___sprintf_object_size_chk",
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"___sread", "___srefill", "___srget", "___sseek", "___stack_chk_fail",
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"___stack_chk_guard", "___stderrp", "___stdinp", "___stdoutp",
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"___stpcpy_chk", "___stpncpy_chk", "___strcat_chk", "___strcp_D2A",
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"___strcpy_chk", "___strlcat_chk", "___strlcpy_chk", "___strncat_chk",
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"___strncpy_chk", "___strtodg", "___strtopdd", "___sum_D2A",
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"___svfscanf", "___swbuf", "___swhatbuf", "___swrite", "___swsetup",
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"___tens_D2A", "___tinytens_D2A", "___tolower", "___tolower_l",
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"___toupper", "___toupper_l", "___trailz_D2A", "___ulp_D2A",
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"___ungetc", "___ungetwc", "___vsnprintf_chk", "___vsprintf_chk",
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"___wcwidth", "___wcwidth_l", "__allocenvstate", "__atexit_receipt",
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"__c_locale", "__cleanup", "__closeutx", "__copyenv",
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"__cthread_init_routine", "__deallocenvstate", "__endutxent",
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"__flockfile_debug_stub", "__fseeko", "__ftello", "__fwalk",
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"__getenvp", "__getutxent", "__getutxid", "__getutxline",
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"__inet_aton_check", "__init_clock_port", "__int_to_time",
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"__libc_fork_child", "__libc_initializer", "__long_to_time",
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"__mkpath_np", "__mktemp", "__openutx", "__os_assert_log",
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"__os_assert_log_ctx", "__os_assumes_log", "__os_assumes_log_ctx",
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"__os_avoid_tail_call", "__os_crash", "__os_crash_callback",
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"__os_crash_fmt", "__os_debug_log", "__os_debug_log_error_str",
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"__putenvp", "__pututxline", "__rand48_add", "__rand48_mult",
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"__rand48_seed", "__readdir_unlocked", "__reclaim_telldir",
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"__seekdir", "__setenvp", "__setutxent", "__sigaction_nobind",
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"__sigintr", "__signal_nobind", "__sigvec_nobind", "__sread",
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"__sseek", "__subsystem_init", "__swrite", "__time32_to_time",
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"__time64_to_time", "__time_to_int", "__time_to_long",
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"__time_to_time32", "__time_to_time64", "__unsetenvp", "__utmpxname",
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"_a64l", "_abort", "_abort_report_np", "_abs", "_acl_add_flag_np",
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"_acl_add_perm", "_acl_calc_mask", "_acl_clear_flags_np",
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"_acl_clear_perms", "_acl_copy_entry", "_acl_copy_ext",
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"_acl_copy_ext_native", "_acl_copy_int", "_acl_copy_int_native",
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"_acl_create_entry", "_acl_create_entry_np", "_acl_delete_def_file",
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"_acl_delete_entry", "_acl_delete_fd_np", "_acl_delete_file_np",
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"_acl_delete_flag_np", "_acl_delete_link_np", "_acl_delete_perm",
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"_acl_dup", "_acl_free", "_acl_from_text", "_acl_get_entry",
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"_acl_get_fd", "_acl_get_fd_np", "_acl_get_file", "_acl_get_flag_np",
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"_acl_get_flagset_np", "_acl_get_link_np", "_acl_get_perm_np",
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"_acl_get_permset", "_acl_get_permset_mask_np", "_acl_get_qualifier",
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"_acl_get_tag_type", "_acl_init", "_acl_maximal_permset_mask_np",
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"_acl_set_fd", "_acl_set_fd_np", "_acl_set_file", "_acl_set_flagset_np",
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"_acl_set_link_np", "_acl_set_permset", "_acl_set_permset_mask_np",
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"_acl_set_qualifier", "_acl_set_tag_type", "_acl_size", "_acl_to_text",
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"_acl_valid", "_acl_valid_fd_np", "_acl_valid_file_np",
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"_acl_valid_link", "_addr2ascii", "_alarm", "_alphasort",
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"_arc4random", "_arc4random_addrandom", "_arc4random_buf",
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"_arc4random_stir", "_arc4random_uniform", "_ascii2addr", "_asctime",
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"_asctime_r", "_asprintf", "_asprintf_l", "_asxprintf",
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"_asxprintf_exec", "_atexit", "_atexit_b", "_atof", "_atof_l",
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"_atoi", "_atoi_l", "_atol", "_atol_l", "_atoll", "_atoll_l",
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"_backtrace", "_backtrace_from_fp", "_backtrace_image_offsets",
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"_backtrace_symbols", "_backtrace_symbols_fd", "_basename",
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"_basename_r", "_bcopy", "_brk", "_bsd_signal", "_bsearch",
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"_bsearch_b", "_btowc", "_btowc_l", "_catclose", "_catgets",
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"_catopen", "_cfgetispeed", "_cfgetospeed", "_cfmakeraw",
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"_cfsetispeed", "_cfsetospeed", "_cfsetspeed", "_cgetcap",
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"_cgetclose", "_cgetent", "_cgetfirst", "_cgetmatch", "_cgetnext",
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"_cgetnum", "_cgetset", "_cgetstr", "_cgetustr", "_chmodx_np",
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"_clearerr", "_clearerr_unlocked", "_clock", "_clock_getres",
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"_clock_gettime", "_clock_gettime_nsec_np", "_clock_port",
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"_clock_sem", "_clock_settime", "_closedir", "_compat_mode",
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"_confstr", "_copy_printf_domain", "_creat", "_crypt", "_ctermid",
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"_ctermid_r", "_ctime", "_ctime_r", "_daemon", "_daylight",
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"_dbm_clearerr", "_dbm_close", "_dbm_delete", "_dbm_dirfno",
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"_dbm_error", "_dbm_fetch", "_dbm_firstkey", "_dbm_nextkey",
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"_dbm_open", "_dbm_store", "_dbopen", "_devname", "_devname_r",
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"_difftime", "_digittoint", "_digittoint_l", "_dirfd", "_dirname",
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"_dirname_r", "_div", "_dprintf", "_dprintf_l", "_drand48",
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"_duplocale", "_dxprintf", "_dxprintf_exec", "_ecvt", "_encrypt",
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"_endttyent", "_endusershell", "_endutxent", "_endutxent_wtmp",
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"_erand48", "_err", "_err_set_exit", "_err_set_exit_b",
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"_err_set_file", "_errc", "_errx", "_execl", "_execle", "_execlp",
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"_execv", "_execvP", "_execvp", "_exit", "_f_prealloc", "_fchmodx_np",
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"_fclose", "_fcvt", "_fdopen", "_fdopendir", "_feof", "_feof_unlocked",
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"_ferror", "_ferror_unlocked", "_fflagstostr", "_fflush", "_fgetc",
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"_fgetln", "_fgetpos", "_fgetrune", "_fgets", "_fgetwc", "_fgetwc_l",
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"_fgetwln", "_fgetwln_l", "_fgetws", "_fgetws_l", "_fileno",
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"_fileno_unlocked", "_filesec_dup", "_filesec_free",
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"_filesec_get_property", "_filesec_init", "_filesec_query_property",
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"_filesec_set_property", "_filesec_unset_property", "_flockfile",
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"_fmemopen", "_fmtcheck", "_fmtmsg", "_fnmatch", "_fopen", "_fork",
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"_forkpty", "_fparseln", "_fprintf", "_fprintf_l", "_fpurge",
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"_fputc", "_fputrune", "_fputs", "_fputwc", "_fputwc_l", "_fputws",
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"_fputws_l", "_fread", "_free_printf_comp", "_free_printf_domain",
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"_freelocale", "_freopen", "_fscanf", "_fscanf_l", "_fseek",
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"_fseeko", "_fsetpos", "_fstatvfs", "_fstatx_np", "_fsync_volume_np",
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"_ftell", "_ftello", "_ftime", "_ftok", "_ftrylockfile",
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"_fts_children", "_fts_close", "_fts_open", "_fts_open_b",
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"_fts_read", "_fts_set", "_ftw", "_fungetrune", "_funlockfile",
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"_funopen", "_fwide", "_fwprintf", "_fwprintf_l", "_fwrite",
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"_fwscanf", "_fwscanf_l", "_fxprintf", "_fxprintf_exec", "_gcvt",
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"_getbsize", "_getc", "_getc_unlocked", "_getchar", "_getchar_unlocked",
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"_getcwd", "_getdate", "_getdate_err", "_getdelim", "_getdiskbyname",
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"_getenv", "_gethostid", "_gethostname", "_getipv4sourcefilter",
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"_getlastlogx", "_getlastlogxbyname", "_getline", "_getloadavg",
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"_getlogin", "_getlogin_r", "_getmntinfo", "_getmntinfo_r_np",
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"_getmode", "_getopt", "_getopt_long", "_getopt_long_only",
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"_getpagesize", "_getpass", "_getpeereid", "_getprogname", "_gets",
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"_getsourcefilter", "_getsubopt", "_gettimeofday", "_getttyent",
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"_getttynam", "_getusershell", "_getutmp", "_getutmpx", "_getutxent",
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"_getutxent_wtmp", "_getutxid", "_getutxline", "_getvfsbyname",
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"_getw", "_getwc", "_getwc_l", "_getwchar", "_getwchar_l", "_getwd",
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"_glob", "_glob_b", "_globfree", "_gmtime", "_gmtime_r", "_grantpt",
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"_hash_create", "_hash_destroy", "_hash_purge", "_hash_search",
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"_hash_stats", "_hash_traverse", "_hcreate", "_hdestroy",
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"_heapsort", "_heapsort_b", "_hsearch", "_imaxabs", "_imaxdiv",
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"_inet_addr", "_inet_aton", "_inet_lnaof", "_inet_makeaddr",
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"_inet_net_ntop", "_inet_net_pton", "_inet_neta", "_inet_netof",
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"_inet_network", "_inet_nsap_addr", "_inet_nsap_ntoa", "_inet_ntoa",
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"_inet_ntop", "_inet_ntop4", "_inet_ntop6", "_inet_pton",
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"_initstate", "_insque", "_isalnum", "_isalnum_l", "_isalpha",
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"_isalpha_l", "_isascii", "_isatty", "_isblank", "_isblank_l",
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"_iscntrl", "_iscntrl_l", "_isdigit", "_isdigit_l", "_isgraph",
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"_isgraph_l", "_ishexnumber", "_ishexnumber_l", "_isideogram",
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"_isideogram_l", "_islower", "_islower_l", "_isnumber", "_isnumber_l",
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"_isphonogram", "_isphonogram_l", "_isprint", "_isprint_l",
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"_ispunct", "_ispunct_l", "_isrune", "_isrune_l", "_isspace",
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"_isspace_l", "_isspecial", "_isspecial_l", "_isupper", "_isupper_l",
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"_iswalnum", "_iswalnum_l", "_iswalpha", "_iswalpha_l", "_iswascii",
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"_iswblank", "_iswblank_l", "_iswcntrl", "_iswcntrl_l", "_iswctype",
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"_iswctype_l", "_iswdigit", "_iswdigit_l", "_iswgraph", "_iswgraph_l",
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"_iswhexnumber", "_iswhexnumber_l", "_iswideogram", "_iswideogram_l",
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"_iswlower", "_iswlower_l", "_iswnumber", "_iswnumber_l",
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"_iswphonogram", "_iswphonogram_l", "_iswprint", "_iswprint_l",
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"_iswpunct", "_iswpunct_l", "_iswrune", "_iswrune_l", "_iswspace",
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"_iswspace_l", "_iswspecial", "_iswspecial_l", "_iswupper",
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"_iswupper_l", "_iswxdigit", "_iswxdigit_l", "_isxdigit",
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"_isxdigit_l", "_jrand48", "_kOSThermalNotificationPressureLevelName",
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"_killpg", "_l64a", "_labs", "_lchflags", "_lchmod", "_lcong48",
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"_ldiv", "_lfind", "_link_addr", "_link_ntoa", "_llabs", "_lldiv",
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"_localeconv", "_localeconv_l", "_localtime", "_localtime_r",
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"_lockf", "_login", "_login_tty", "_logout", "_logwtmp", "_lrand48",
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"_lsearch", "_lstatx_np", "_lutimes", "_mblen", "_mblen_l",
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"_mbmb", "_mbrlen", "_mbrlen_l", "_mbrrune", "_mbrtowc", "_mbrtowc_l",
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"_mbrune", "_mbsinit", "_mbsinit_l", "_mbsnrtowcs", "_mbsnrtowcs_l",
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"_mbsrtowcs", "_mbsrtowcs_l", "_mbstowcs", "_mbstowcs_l", "_mbtowc",
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"_mbtowc_l", "_memmem", "_memset_s", "_mergesort", "_mergesort_b",
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"_mkdirx_np", "_mkdtemp", "_mkdtempat_np", "_mkfifox_np",
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"_mkostemp", "_mkostemps", "_mkostempsat_np", "_mkpath_np",
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"_mkpathat_np", "_mkstemp", "_mkstemp_dprotected_np", "_mkstemps",
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"_mkstempsat_np", "_mktemp", "_mktime", "_monaddition", "_moncontrol",
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"_moncount", "_moninit", "_monitor", "_monoutput", "_monreset",
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"_monstartup", "_mpool_close", "_mpool_filter", "_mpool_get",
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"_mpool_new", "_mpool_open", "_mpool_put", "_mpool_sync", "_mrand48",
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"_nanosleep", "_new_printf_comp", "_new_printf_domain", "_newlocale",
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"_nextwctype", "_nextwctype_l", "_nftw", "_nice", "_nl_langinfo",
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"_nl_langinfo_l", "_nrand48", "_nvis", "_off32", "_off64",
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"_offtime", "_open_memstream", "_open_with_subsystem",
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"_open_wmemstream", "_opendev", "_opendir", "_openpty", "_openx_np",
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"_optarg", "_opterr", "_optind", "_optopt", "_optreset", "_pause",
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"_pclose", "_perror", "_popen", "_posix2time", "_posix_openpt",
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"_posix_spawnp", "_printf", "_printf_l", "_psignal", "_psort",
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|
"_psort_b", "_psort_r", "_ptsname", "_ptsname_r", "_putc",
|
||
|
|
"_putc_unlocked", "_putchar", "_putchar_unlocked", "_putenv",
|
||
|
|
"_puts", "_pututxline", "_putw", "_putwc", "_putwc_l", "_putwchar",
|
||
|
|
"_putwchar_l", "_qsort", "_qsort_b", "_qsort_r", "_querylocale",
|
||
|
|
"_radixsort", "_raise", "_rand", "_rand_r", "_random", "_rb_tree_count",
|
||
|
|
"_rb_tree_find_node", "_rb_tree_find_node_geq", "_rb_tree_find_node_leq",
|
||
|
|
"_rb_tree_init", "_rb_tree_insert_node", "_rb_tree_iterate",
|
||
|
|
"_rb_tree_remove_node", "_readdir", "_readdir_r", "_readpassphrase",
|
||
|
|
"_reallocf", "_realpath", "_recv", "_regcomp", "_regcomp_l",
|
||
|
|
"_regerror", "_regexec", "_regfree", "_register_printf_domain_function",
|
||
|
|
"_register_printf_domain_render_std", "_regncomp", "_regncomp_l",
|
||
|
|
"_regnexec", "_regwcomp", "_regwcomp_l", "_regwexec", "_regwncomp",
|
||
|
|
"_regwncomp_l", "_regwnexec", "_remove", "_remque", "_rewind",
|
||
|
|
"_rewinddir", "_rindex", "_rpmatch", "_sbrk", "_scandir",
|
||
|
|
"_scandir_b", "_scanf", "_scanf_l", "_seed48", "_seekdir", "_send",
|
||
|
|
"_setbuf", "_setbuffer", "_setenv", "_sethostid", "_sethostname",
|
||
|
|
"_setinvalidrune", "_setipv4sourcefilter", "_setkey", "_setlinebuf",
|
||
|
|
"_setlocale", "_setlogin", "_setmode", "_setpgrp", "_setprogname",
|
||
|
|
"_setrgid", "_setruid", "_setrunelocale", "_setsourcefilter",
|
||
|
|
"_setstate", "_settimeofday", "_setttyent", "_setusershell",
|
||
|
|
"_setutxent", "_setutxent_wtmp", "_setvbuf", "_sigaction",
|
||
|
|
"_sigaddset", "_sigaltstack", "_sigblock", "_sigdelset",
|
||
|
|
"_sigemptyset", "_sigfillset", "_sighold", "_sigignore",
|
||
|
|
"_siginterrupt", "_sigismember", "_signal", "_sigpause", "_sigrelse",
|
||
|
|
"_sigset", "_sigsetmask", "_sigvec", "_skip", "_sl_add", "_sl_find",
|
||
|
|
"_sl_free", "_sl_init", "_sleep", "_snprintf", "_snprintf_l",
|
||
|
|
"_snvis", "_sockatmark", "_sprintf", "_sprintf_l", "_sradixsort",
|
||
|
|
"_srand", "_srand48", "_sranddev", "_srandom", "_srandomdev",
|
||
|
|
"_sscanf", "_sscanf_l", "_stat_with_subsystem", "_statvfs",
|
||
|
|
"_statx_np", "_stpcpy", "_stpncpy", "_strcasecmp", "_strcasecmp_l",
|
||
|
|
"_strcasestr", "_strcasestr_l", "_strcat", "_strcoll", "_strcoll_l",
|
||
|
|
"_strcspn", "_strdup", "_strenvisx", "_strerror", "_strerror_r",
|
||
|
|
"_strfmon", "_strfmon_l", "_strftime", "_strftime_l", "_strmode",
|
||
|
|
"_strncasecmp", "_strncasecmp_l", "_strncat", "_strndup", "_strnstr",
|
||
|
|
"_strnunvis", "_strnunvisx", "_strnvis", "_strnvisx", "_strpbrk",
|
||
|
|
"_strptime", "_strptime_l", "_strrchr", "_strsenvisx", "_strsep",
|
||
|
|
"_strsignal", "_strsignal_r", "_strsnvis", "_strsnvisx", "_strspn",
|
||
|
|
"_strsvis", "_strsvisx", "_strtod", "_strtod_l", "_strtof",
|
||
|
|
"_strtof_l", "_strtofflags", "_strtoimax", "_strtoimax_l",
|
||
|
|
"_strtok", "_strtok_r", "_strtol", "_strtol_l", "_strtold",
|
||
|
|
"_strtold_l", "_strtoll", "_strtoll_l", "_strtonum", "_strtoq",
|
||
|
|
"_strtoq_l", "_strtoul", "_strtoul_l", "_strtoull", "_strtoull_l",
|
||
|
|
"_strtoumax", "_strtoumax_l", "_strtouq", "_strtouq_l", "_strunvis",
|
||
|
|
"_strunvisx", "_strvis", "_strvisx", "_strxfrm", "_strxfrm_l",
|
||
|
|
"_suboptarg", "_svis", "_swab", "_swprintf", "_swprintf_l",
|
||
|
|
"_swscanf", "_swscanf_l", "_sxprintf", "_sxprintf_exec",
|
||
|
|
"_sync_volume_np", "_sys_errlist", "_sys_nerr", "_sys_siglist",
|
||
|
|
"_sys_signame", "_sysconf", "_sysctl", "_sysctlbyname",
|
||
|
|
"_sysctlnametomib", "_system", "_tcdrain", "_tcflow", "_tcflush",
|
||
|
|
"_tcgetattr", "_tcgetpgrp", "_tcgetsid", "_tcsendbreak", "_tcsetattr",
|
||
|
|
"_tcsetpgrp", "_tdelete", "_telldir", "_tempnam", "_tfind",
|
||
|
|
"_thread_stack_pcs", "_time", "_time2posix", "_timegm", "_timelocal",
|
||
|
|
"_timeoff", "_times", "_timespec_get", "_timezone", "_timingsafe_bcmp",
|
||
|
|
"_tmpfile", "_tmpnam", "_toascii", "_tolower", "_tolower_l",
|
||
|
|
"_toupper", "_toupper_l", "_towctrans", "_towctrans_l", "_towlower",
|
||
|
|
"_towlower_l", "_towupper", "_towupper_l", "_tre_ast_new_catenation",
|
||
|
|
"_tre_ast_new_iter", "_tre_ast_new_literal", "_tre_ast_new_node",
|
||
|
|
"_tre_ast_new_union", "_tre_compile", "_tre_fill_pmatch",
|
||
|
|
"_tre_free", "_tre_mem_alloc_impl", "_tre_mem_destroy",
|
||
|
|
"_tre_mem_new_impl", "_tre_parse", "_tre_stack_destroy",
|
||
|
|
"_tre_stack_new", "_tre_stack_num_objects", "_tre_tnfa_run_backtrack",
|
||
|
|
"_tre_tnfa_run_parallel", "_tsearch", "_ttyname", "_ttyname_r",
|
||
|
|
"_ttyslot", "_twalk", "_tzname", "_tzset", "_tzsetwall", "_ualarm",
|
||
|
|
"_ulimit", "_umaskx_np", "_uname", "_ungetc", "_ungetwc",
|
||
|
|
"_ungetwc_l", "_unlockpt", "_unsetenv", "_unvis", "_uselocale",
|
||
|
|
"_usleep", "_utime", "_utmpxname", "_uuid_clear", "_uuid_compare",
|
||
|
|
"_uuid_copy", "_uuid_generate", "_uuid_generate_random",
|
||
|
|
"_uuid_generate_time", "_uuid_is_null", "_uuid_pack", "_uuid_parse",
|
||
|
|
"_uuid_unpack", "_uuid_unparse", "_uuid_unparse_lower",
|
||
|
|
"_uuid_unparse_upper", "_vasprintf", "_vasprintf_l", "_vasxprintf",
|
||
|
|
"_vasxprintf_exec", "_vdprintf", "_vdprintf_l", "_vdxprintf",
|
||
|
|
"_vdxprintf_exec", "_verr", "_verrc", "_verrx", "_vfprintf",
|
||
|
|
"_vfprintf_l", "_vfscanf", "_vfscanf_l", "_vfwprintf", "_vfwprintf_l",
|
||
|
|
"_vfwscanf", "_vfwscanf_l", "_vfxprintf", "_vfxprintf_exec",
|
||
|
|
"_vis", "_vprintf", "_vprintf_l", "_vscanf", "_vscanf_l",
|
||
|
|
"_vsnprintf", "_vsnprintf_l", "_vsprintf", "_vsprintf_l", "_vsscanf",
|
||
|
|
"_vsscanf_l", "_vswprintf", "_vswprintf_l", "_vswscanf",
|
||
|
|
"_vswscanf_l", "_vsxprintf", "_vsxprintf_exec", "_vwarn", "_vwarnc",
|
||
|
|
"_vwarnx", "_vwprintf", "_vwprintf_l", "_vwscanf", "_vwscanf_l",
|
||
|
|
"_vxprintf", "_vxprintf_exec", "_wait", "_wait3", "_waitpid",
|
||
|
|
"_warn", "_warnc", "_warnx", "_wcpcpy", "_wcpncpy", "_wcrtomb",
|
||
|
|
"_wcrtomb_l", "_wcscasecmp", "_wcscasecmp_l", "_wcscat", "_wcschr",
|
||
|
|
"_wcscmp", "_wcscoll", "_wcscoll_l", "_wcscpy", "_wcscspn",
|
||
|
|
"_wcsdup", "_wcsftime", "_wcsftime_l", "_wcslcat", "_wcslcpy",
|
||
|
|
"_wcslen", "_wcsncasecmp", "_wcsncasecmp_l", "_wcsncat", "_wcsncmp",
|
||
|
|
"_wcsncpy", "_wcsnlen", "_wcsnrtombs", "_wcsnrtombs_l", "_wcspbrk",
|
||
|
|
"_wcsrchr", "_wcsrtombs", "_wcsrtombs_l", "_wcsspn", "_wcsstr",
|
||
|
|
"_wcstod", "_wcstod_l", "_wcstof", "_wcstof_l", "_wcstoimax",
|
||
|
|
"_wcstoimax_l", "_wcstok", "_wcstol", "_wcstol_l", "_wcstold",
|
||
|
|
"_wcstold_l", "_wcstoll", "_wcstoll_l", "_wcstombs", "_wcstombs_l",
|
||
|
|
"_wcstoul", "_wcstoul_l", "_wcstoull", "_wcstoull_l", "_wcstoumax",
|
||
|
|
"_wcstoumax_l", "_wcswidth", "_wcswidth_l", "_wcsxfrm", "_wcsxfrm_l",
|
||
|
|
"_wctob", "_wctob_l", "_wctomb", "_wctomb_l", "_wctrans",
|
||
|
|
"_wctrans_l", "_wctype", "_wctype_l", "_wcwidth", "_wcwidth_l",
|
||
|
|
"_wmemchr", "_wmemcmp", "_wmemcpy", "_wmemmove", "_wmemset",
|
||
|
|
"_wordexp", "_wordfree", "_wprintf", "_wprintf_l", "_wscanf",
|
||
|
|
"_wscanf_l", "_wtmpxname", "_xprintf", "_xprintf_exec"
|
||
|
|
)
|
||
|
|
|
||
|
|
def print_here_head(name):
|
||
|
|
print("""\
|
||
|
|
(tee %s.s |llvm-mc -filetype=obj -triple %s -o %s.o) <<END_OF_FILE &""" % (name, triple, name))
|
||
|
|
|
||
|
|
def print_here_tail():
|
||
|
|
print("""\
|
||
|
|
END_OF_FILE
|
||
|
|
""")
|
||
|
|
|
||
|
|
def print_function_head(p2align, name):
|
||
|
|
if args.os == "macos":
|
||
|
|
print("""\
|
||
|
|
.section __TEXT,__text,regular,pure_instructions
|
||
|
|
.p2align %d, 0x90
|
||
|
|
.globl _%s
|
||
|
|
_%s:""" % (p2align, name, name))
|
||
|
|
elif args.os == "windows":
|
||
|
|
print("""\
|
||
|
|
.text
|
||
|
|
.def %s;
|
||
|
|
.scl 2;
|
||
|
|
.type 32;
|
||
|
|
.endef
|
||
|
|
.globl %s
|
||
|
|
.p2align %d
|
||
|
|
%s:""" % (name, name, p2align, name))
|
||
|
|
elif args.os == "linux":
|
||
|
|
print("""\
|
||
|
|
.text
|
||
|
|
.p2align %d
|
||
|
|
.globl %s
|
||
|
|
%s:""" % (p2align, name, name))
|
||
|
|
|
||
|
|
def print_function(addr, size, addrs):
|
||
|
|
name = "x%08x" % addr
|
||
|
|
calls = random.randint(0, size>>12)
|
||
|
|
print_here_head(name)
|
||
|
|
print("""\
|
||
|
|
### %s size=%x calls=%x""" % (name, size, calls))
|
||
|
|
print_function_head(4, name)
|
||
|
|
for i in range(calls):
|
||
|
|
print(" bl %sx%08x\n .p2align 4" %
|
||
|
|
("_" if args.os == "macos" else "",
|
||
|
|
addrs[random.randint(0, len(addrs)-1)]))
|
||
|
|
if args.os == "macos":
|
||
|
|
print(" bl %s\n .p2align 4" %
|
||
|
|
(libSystem_calls[random.randint(0, len(libSystem_calls)-1)]))
|
||
|
|
fill = size - 4 * (calls + 1)
|
||
|
|
assert fill > 0
|
||
|
|
print("""\
|
||
|
|
.fill 0x%x
|
||
|
|
ret""" % (fill))
|
||
|
|
print_here_tail()
|
||
|
|
|
||
|
|
def random_seed():
|
||
|
|
"""Generate a seed that can easily be passsed back in via --seed=STRING"""
|
||
|
|
return ''.join(random.choice(string.ascii_lowercase) for i in range(10))
|
||
|
|
|
||
|
|
def generate_sizes(base, megabytes):
|
||
|
|
total = 0
|
||
|
|
while total < megabytes:
|
||
|
|
size = random.randint(0x100, 0x10000) * 0x10
|
||
|
|
yield size
|
||
|
|
total += size
|
||
|
|
|
||
|
|
def generate_addrs(addr, sizes):
|
||
|
|
i = 0
|
||
|
|
while i < len(sizes):
|
||
|
|
yield addr
|
||
|
|
addr += sizes[i]
|
||
|
|
i += 1
|
||
|
|
|
||
|
|
def main():
|
||
|
|
parser = argparse.ArgumentParser(
|
||
|
|
description=__doc__,
|
||
|
|
epilog="""\
|
||
|
|
WRITEME
|
||
|
|
""")
|
||
|
|
parser.add_argument('--seed', type=str, default=random_seed(),
|
||
|
|
help='Seed the random number generator')
|
||
|
|
parser.add_argument('--size', type=int, default=None,
|
||
|
|
help='Total text size to generate, in megabytes')
|
||
|
|
parser.add_argument('--os', type=str, default="macos",
|
||
|
|
help='Target OS: macos, windows, or linux')
|
||
|
|
global args
|
||
|
|
args = parser.parse_args()
|
||
|
|
triples = {
|
||
|
|
"macos": "arm64-apple-macos",
|
||
|
|
"linux": "aarch64-pc-linux",
|
||
|
|
"windows": "aarch64-pc-windows"
|
||
|
|
}
|
||
|
|
global triple
|
||
|
|
triple = triples.get(args.os)
|
||
|
|
|
||
|
|
print("""\
|
||
|
|
### seed=%s triple=%s
|
||
|
|
""" % (args.seed, triple))
|
||
|
|
|
||
|
|
random.seed(args.seed)
|
||
|
|
|
||
|
|
base = 0x4010
|
||
|
|
megabytes = (int(args.size) if args.size else 512) * 1024 * 1024
|
||
|
|
sizes = [size for size in generate_sizes(base, megabytes)]
|
||
|
|
addrs = [addr for addr in generate_addrs(base, sizes)]
|
||
|
|
|
||
|
|
for i in range(len(addrs)):
|
||
|
|
print_function(addrs[i], sizes[i], addrs)
|
||
|
|
|
||
|
|
print_here_head("main")
|
||
|
|
print("""\
|
||
|
|
### _x%08x
|
||
|
|
""" % (addrs[-1] + sizes[-1]))
|
||
|
|
print_function_head(14 if args.os == "macos" else 4, "main")
|
||
|
|
print(" ret")
|
||
|
|
print_here_tail()
|
||
|
|
print("wait")
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
main()
|