1# $OpenBSD: symbols.awk,v 1.4 2024/05/08 06:54:43 tb Exp $ 2 3# Copyright (c) 2018,2020,2023 Theo Buehler <tb@openbsd.org> 4# 5# Permission to use, copy, modify, and distribute this software for any 6# purpose with or without fee is hereby granted, provided that the above 7# copyright notice and this permission notice appear in all copies. 8# 9# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 17# usage: awk -f symbols.awk < Symbols.list > symbols.c 18 19BEGIN { 20 printf("#include <stdio.h>\n\n") 21 22 printf("#include <openssl/dtls1.h>\n") 23 printf("#include <openssl/ssl.h>\n") 24 printf("#include <openssl/tls1.h>\n\n") 25 26 printf("#include <openssl/srtp.h>\n\n") # depends on ssl.h 27} 28 29{ 30 symbols[$0] = $0 31 32 # Undefine aliases, so we don't accidentally leave them in Symbols.list. 33 printf("#ifdef %s\n#undef %s\n#endif\n", $0, $0) 34} 35 36END { 37 printf("\nint\nmain(void)\n{\n") 38 printf("\tsize_t i;\n"); 39 40 printf("\tstruct {\n") 41 printf("\t\tconst char *const name;\n") 42 printf("\t\tconst void *addr;\n") 43 printf("\t} symbols[] = {\n") 44 45 for (symbol in symbols) { 46 printf("\t\t{\n") 47 printf("\t\t\t.name = \"%s\",\n", symbol) 48 printf("\t\t\t.addr = &%s,\n", symbol) 49 printf("\t\t},\n") 50 } 51 52 printf("\t\};\n\n") 53 54 printf("\tfor (i = 0; i < sizeof(symbols) / sizeof(symbols[0]); i++)\n") 55 printf("\t\tfprintf(stderr, \"%%s: %%p\\n\", symbols[i].name, symbols[i].addr);\n") 56 printf("\n\tprintf(\"OK\\n\");\n") 57 printf("\n\treturn 0;\n}\n") 58} 59