^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /* Generate kernel symbol version hashes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) Copyright 1996, 1997 Linux International.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) New implementation contributed by Richard Henderson <rth@tamu.edu>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) Based on original work by Bjorn Ekwall <bj0rn@blox.se>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) This file was part of the Linux modutils 2.4.22: moved back into the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) kernel sources by Rusty Russell/Kai Germaschewski.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <stdio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <stdlib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <unistd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <assert.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <stdarg.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #ifdef __GNU_LIBRARY__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <getopt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #endif /* __GNU_LIBRARY__ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include "genksyms.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) /*----------------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define HASH_BUCKETS 4096
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static struct symbol *symtab[HASH_BUCKETS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static FILE *debugfile;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) int cur_line = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) char *cur_filename, *source_file;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) int in_source_file;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) static int flag_debug, flag_dump_defs, flag_reference, flag_dump_types,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) flag_preserve, flag_warnings, flag_rel_crcs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) static int errors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) static int nsyms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) static struct symbol *expansion_trail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) static struct symbol *visited_symbols;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) static const struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) int n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) } symbol_types[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) [SYM_NORMAL] = { 0, NULL},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) [SYM_TYPEDEF] = {'t', "typedef"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) [SYM_ENUM] = {'e', "enum"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) [SYM_STRUCT] = {'s', "struct"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) [SYM_UNION] = {'u', "union"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) [SYM_ENUM_CONST] = {'E', "enum constant"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) static int equal_list(struct string_list *a, struct string_list *b);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) static void print_list(FILE * f, struct string_list *list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) static struct string_list *concat_list(struct string_list *start, ...);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) static struct string_list *mk_node(const char *string);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) static void print_location(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) static void print_type_name(enum symbol_type type, const char *name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) /*----------------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) static const unsigned int crctab32[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 0x00000000U, 0x77073096U, 0xee0e612cU, 0x990951baU, 0x076dc419U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 0x706af48fU, 0xe963a535U, 0x9e6495a3U, 0x0edb8832U, 0x79dcb8a4U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 0xe0d5e91eU, 0x97d2d988U, 0x09b64c2bU, 0x7eb17cbdU, 0xe7b82d07U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 0x90bf1d91U, 0x1db71064U, 0x6ab020f2U, 0xf3b97148U, 0x84be41deU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 0x1adad47dU, 0x6ddde4ebU, 0xf4d4b551U, 0x83d385c7U, 0x136c9856U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 0x646ba8c0U, 0xfd62f97aU, 0x8a65c9ecU, 0x14015c4fU, 0x63066cd9U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) 0xfa0f3d63U, 0x8d080df5U, 0x3b6e20c8U, 0x4c69105eU, 0xd56041e4U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 0xa2677172U, 0x3c03e4d1U, 0x4b04d447U, 0xd20d85fdU, 0xa50ab56bU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 0x35b5a8faU, 0x42b2986cU, 0xdbbbc9d6U, 0xacbcf940U, 0x32d86ce3U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) 0x45df5c75U, 0xdcd60dcfU, 0xabd13d59U, 0x26d930acU, 0x51de003aU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) 0xc8d75180U, 0xbfd06116U, 0x21b4f4b5U, 0x56b3c423U, 0xcfba9599U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) 0xb8bda50fU, 0x2802b89eU, 0x5f058808U, 0xc60cd9b2U, 0xb10be924U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) 0x2f6f7c87U, 0x58684c11U, 0xc1611dabU, 0xb6662d3dU, 0x76dc4190U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) 0x01db7106U, 0x98d220bcU, 0xefd5102aU, 0x71b18589U, 0x06b6b51fU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) 0x9fbfe4a5U, 0xe8b8d433U, 0x7807c9a2U, 0x0f00f934U, 0x9609a88eU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) 0xe10e9818U, 0x7f6a0dbbU, 0x086d3d2dU, 0x91646c97U, 0xe6635c01U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) 0x6b6b51f4U, 0x1c6c6162U, 0x856530d8U, 0xf262004eU, 0x6c0695edU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) 0x1b01a57bU, 0x8208f4c1U, 0xf50fc457U, 0x65b0d9c6U, 0x12b7e950U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) 0x8bbeb8eaU, 0xfcb9887cU, 0x62dd1ddfU, 0x15da2d49U, 0x8cd37cf3U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) 0xfbd44c65U, 0x4db26158U, 0x3ab551ceU, 0xa3bc0074U, 0xd4bb30e2U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) 0x4adfa541U, 0x3dd895d7U, 0xa4d1c46dU, 0xd3d6f4fbU, 0x4369e96aU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) 0x346ed9fcU, 0xad678846U, 0xda60b8d0U, 0x44042d73U, 0x33031de5U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) 0xaa0a4c5fU, 0xdd0d7cc9U, 0x5005713cU, 0x270241aaU, 0xbe0b1010U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) 0xc90c2086U, 0x5768b525U, 0x206f85b3U, 0xb966d409U, 0xce61e49fU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) 0x5edef90eU, 0x29d9c998U, 0xb0d09822U, 0xc7d7a8b4U, 0x59b33d17U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) 0x2eb40d81U, 0xb7bd5c3bU, 0xc0ba6cadU, 0xedb88320U, 0x9abfb3b6U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) 0x03b6e20cU, 0x74b1d29aU, 0xead54739U, 0x9dd277afU, 0x04db2615U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) 0x73dc1683U, 0xe3630b12U, 0x94643b84U, 0x0d6d6a3eU, 0x7a6a5aa8U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) 0xe40ecf0bU, 0x9309ff9dU, 0x0a00ae27U, 0x7d079eb1U, 0xf00f9344U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) 0x8708a3d2U, 0x1e01f268U, 0x6906c2feU, 0xf762575dU, 0x806567cbU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) 0x196c3671U, 0x6e6b06e7U, 0xfed41b76U, 0x89d32be0U, 0x10da7a5aU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) 0x67dd4accU, 0xf9b9df6fU, 0x8ebeeff9U, 0x17b7be43U, 0x60b08ed5U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) 0xd6d6a3e8U, 0xa1d1937eU, 0x38d8c2c4U, 0x4fdff252U, 0xd1bb67f1U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) 0xa6bc5767U, 0x3fb506ddU, 0x48b2364bU, 0xd80d2bdaU, 0xaf0a1b4cU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 0x36034af6U, 0x41047a60U, 0xdf60efc3U, 0xa867df55U, 0x316e8eefU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 0x4669be79U, 0xcb61b38cU, 0xbc66831aU, 0x256fd2a0U, 0x5268e236U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 0xcc0c7795U, 0xbb0b4703U, 0x220216b9U, 0x5505262fU, 0xc5ba3bbeU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 0xb2bd0b28U, 0x2bb45a92U, 0x5cb36a04U, 0xc2d7ffa7U, 0xb5d0cf31U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 0x2cd99e8bU, 0x5bdeae1dU, 0x9b64c2b0U, 0xec63f226U, 0x756aa39cU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 0x026d930aU, 0x9c0906a9U, 0xeb0e363fU, 0x72076785U, 0x05005713U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 0x95bf4a82U, 0xe2b87a14U, 0x7bb12baeU, 0x0cb61b38U, 0x92d28e9bU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 0xe5d5be0dU, 0x7cdcefb7U, 0x0bdbdf21U, 0x86d3d2d4U, 0xf1d4e242U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 0x68ddb3f8U, 0x1fda836eU, 0x81be16cdU, 0xf6b9265bU, 0x6fb077e1U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 0x18b74777U, 0x88085ae6U, 0xff0f6a70U, 0x66063bcaU, 0x11010b5cU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 0x8f659effU, 0xf862ae69U, 0x616bffd3U, 0x166ccf45U, 0xa00ae278U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 0xd70dd2eeU, 0x4e048354U, 0x3903b3c2U, 0xa7672661U, 0xd06016f7U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 0x4969474dU, 0x3e6e77dbU, 0xaed16a4aU, 0xd9d65adcU, 0x40df0b66U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 0x37d83bf0U, 0xa9bcae53U, 0xdebb9ec5U, 0x47b2cf7fU, 0x30b5ffe9U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 0xbdbdf21cU, 0xcabac28aU, 0x53b39330U, 0x24b4a3a6U, 0xbad03605U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 0xcdd70693U, 0x54de5729U, 0x23d967bfU, 0xb3667a2eU, 0xc4614ab8U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 0x5d681b02U, 0x2a6f2b94U, 0xb40bbe37U, 0xc30c8ea1U, 0x5a05df1bU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 0x2d02ef8dU
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) static unsigned long partial_crc32_one(unsigned char c, unsigned long crc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) return crctab32[(crc ^ c) & 0xff] ^ (crc >> 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) static unsigned long partial_crc32(const char *s, unsigned long crc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) while (*s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) crc = partial_crc32_one(*s++, crc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) return crc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) static unsigned long crc32(const char *s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) return partial_crc32(s, 0xffffffff) ^ 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) /*----------------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) static enum symbol_type map_to_ns(enum symbol_type t)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) switch (t) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) case SYM_ENUM_CONST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) case SYM_NORMAL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) case SYM_TYPEDEF:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) return SYM_NORMAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) case SYM_ENUM:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) case SYM_STRUCT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) case SYM_UNION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) return SYM_STRUCT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) return t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) struct symbol *find_symbol(const char *name, enum symbol_type ns, int exact)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) unsigned long h = crc32(name) % HASH_BUCKETS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) struct symbol *sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) for (sym = symtab[h]; sym; sym = sym->hash_next)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) if (map_to_ns(sym->type) == map_to_ns(ns) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) strcmp(name, sym->name) == 0 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) sym->is_declared)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) if (exact && sym && sym->type != ns)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) return sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) static int is_unknown_symbol(struct symbol *sym)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) struct string_list *defn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) return ((sym->type == SYM_STRUCT ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) sym->type == SYM_UNION ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) sym->type == SYM_ENUM) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) (defn = sym->defn) && defn->tag == SYM_NORMAL &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) strcmp(defn->string, "}") == 0 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) (defn = defn->next) && defn->tag == SYM_NORMAL &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) strcmp(defn->string, "UNKNOWN") == 0 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) (defn = defn->next) && defn->tag == SYM_NORMAL &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) strcmp(defn->string, "{") == 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) static struct symbol *__add_symbol(const char *name, enum symbol_type type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) struct string_list *defn, int is_extern,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) int is_reference)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) unsigned long h;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) struct symbol *sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) enum symbol_status status = STATUS_UNCHANGED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) /* The parser adds symbols in the order their declaration completes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) * so it is safe to store the value of the previous enum constant in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) * a static variable.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) static int enum_counter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) static struct string_list *last_enum_expr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) if (type == SYM_ENUM_CONST) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) if (defn) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) free_list(last_enum_expr, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) last_enum_expr = copy_list_range(defn, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) enum_counter = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) struct string_list *expr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) char buf[20];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) snprintf(buf, sizeof(buf), "%d", enum_counter++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) if (last_enum_expr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) expr = copy_list_range(last_enum_expr, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) defn = concat_list(mk_node("("),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) expr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) mk_node(")"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) mk_node("+"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) mk_node(buf), NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) defn = mk_node(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) } else if (type == SYM_ENUM) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) free_list(last_enum_expr, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) last_enum_expr = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) enum_counter = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) if (!name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) /* Anonymous enum definition, nothing more to do */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) h = crc32(name) % HASH_BUCKETS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) for (sym = symtab[h]; sym; sym = sym->hash_next) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) if (map_to_ns(sym->type) == map_to_ns(type) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) strcmp(name, sym->name) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) if (is_reference)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) /* fall through */ ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) else if (sym->type == type &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) equal_list(sym->defn, defn)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) if (!sym->is_declared && sym->is_override) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) print_location();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) print_type_name(type, name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) fprintf(stderr, " modversion is "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) "unchanged\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) sym->is_declared = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) return sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) } else if (!sym->is_declared) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) if (sym->is_override && flag_preserve) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) print_location();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) fprintf(stderr, "ignoring ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) print_type_name(type, name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) fprintf(stderr, " modversion change\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) sym->is_declared = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) return sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) status = is_unknown_symbol(sym) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) STATUS_DEFINED : STATUS_MODIFIED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) error_with_pos("redefinition of %s", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) return sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) if (sym) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) struct symbol **psym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) for (psym = &symtab[h]; *psym; psym = &(*psym)->hash_next) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) if (*psym == sym) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) *psym = sym->hash_next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) --nsyms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) sym = xmalloc(sizeof(*sym));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) sym->name = name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) sym->type = type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) sym->defn = defn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) sym->expansion_trail = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) sym->visited = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) sym->is_extern = is_extern;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) sym->hash_next = symtab[h];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) symtab[h] = sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) sym->is_declared = !is_reference;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) sym->status = status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) sym->is_override = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) if (flag_debug) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) if (symbol_types[type].name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) fprintf(debugfile, "Defn for %s %s == <",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) symbol_types[type].name, name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) fprintf(debugfile, "Defn for type%d %s == <",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) type, name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) if (is_extern)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) fputs("extern ", debugfile);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) print_list(debugfile, defn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) fputs(">\n", debugfile);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) ++nsyms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) return sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) struct symbol *add_symbol(const char *name, enum symbol_type type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) struct string_list *defn, int is_extern)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) return __add_symbol(name, type, defn, is_extern, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) static struct symbol *add_reference_symbol(const char *name, enum symbol_type type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) struct string_list *defn, int is_extern)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) return __add_symbol(name, type, defn, is_extern, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) /*----------------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) void free_node(struct string_list *node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) free(node->string);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) free(node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) void free_list(struct string_list *s, struct string_list *e)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) while (s != e) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) struct string_list *next = s->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) free_node(s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) s = next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) static struct string_list *mk_node(const char *string)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) struct string_list *newnode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) newnode = xmalloc(sizeof(*newnode));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) newnode->string = xstrdup(string);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) newnode->tag = SYM_NORMAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) newnode->next = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) return newnode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) static struct string_list *concat_list(struct string_list *start, ...)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) va_list ap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) struct string_list *n, *n2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) if (!start)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) for (va_start(ap, start); (n = va_arg(ap, struct string_list *));) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) for (n2 = n; n2->next; n2 = n2->next)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) n2->next = start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) start = n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) va_end(ap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) return start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) struct string_list *copy_node(struct string_list *node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) struct string_list *newnode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) newnode = xmalloc(sizeof(*newnode));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) newnode->string = xstrdup(node->string);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) newnode->tag = node->tag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) return newnode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) struct string_list *copy_list_range(struct string_list *start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) struct string_list *end)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) struct string_list *res, *n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) if (start == end)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) n = res = copy_node(start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) for (start = start->next; start != end; start = start->next) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) n->next = copy_node(start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) n = n->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) n->next = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) return res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) static int equal_list(struct string_list *a, struct string_list *b)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) while (a && b) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) if (a->tag != b->tag || strcmp(a->string, b->string))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) a = a->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) b = b->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) return !a && !b;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) static struct string_list *read_node(FILE *f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) char buffer[256];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) struct string_list node = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) .string = buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) .tag = SYM_NORMAL };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) int c, in_string = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) while ((c = fgetc(f)) != EOF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) if (!in_string && c == ' ') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) if (node.string == buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) } else if (c == '"') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) in_string = !in_string;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) } else if (c == '\n') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) if (node.string == buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) ungetc(c, f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) if (node.string >= buffer + sizeof(buffer) - 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) fprintf(stderr, "Token too long\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) *node.string++ = c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) if (node.string == buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) *node.string = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) node.string = buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) if (node.string[1] == '#') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) size_t n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) for (n = 0; n < ARRAY_SIZE(symbol_types); n++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) if (node.string[0] == symbol_types[n].n) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) node.tag = n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) node.string += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) return copy_node(&node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) fprintf(stderr, "Unknown type %c\n", node.string[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) return copy_node(&node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) static void read_reference(FILE *f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) while (!feof(f)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) struct string_list *defn = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) struct string_list *sym, *def;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) int is_extern = 0, is_override = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) struct symbol *subsym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) sym = read_node(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) if (sym && sym->tag == SYM_NORMAL &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) !strcmp(sym->string, "override")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) is_override = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) free_node(sym);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) sym = read_node(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) if (!sym)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) def = read_node(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) if (def && def->tag == SYM_NORMAL &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) !strcmp(def->string, "extern")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) is_extern = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) free_node(def);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) def = read_node(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) while (def) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) def->next = defn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) defn = def;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) def = read_node(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) subsym = add_reference_symbol(xstrdup(sym->string), sym->tag,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) defn, is_extern);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) subsym->is_override = is_override;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) free_node(sym);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) static void print_node(FILE * f, struct string_list *list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) if (symbol_types[list->tag].n) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) putc(symbol_types[list->tag].n, f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) putc('#', f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) fputs(list->string, f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) static void print_list(FILE * f, struct string_list *list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) struct string_list **e, **b;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) struct string_list *tmp, **tmp2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) int elem = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) if (list == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) fputs("(nil)", f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) tmp = list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) while ((tmp = tmp->next) != NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) elem++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) b = alloca(elem * sizeof(*e));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) e = b + elem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) tmp2 = e - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) (*tmp2--) = list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) while ((list = list->next) != NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) *(tmp2--) = list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) while (b != e) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) print_node(f, *b++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) putc(' ', f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) static unsigned long expand_and_crc_sym(struct symbol *sym, unsigned long crc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) struct string_list *list = sym->defn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) struct string_list **e, **b;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) struct string_list *tmp, **tmp2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) int elem = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) if (!list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) return crc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) tmp = list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) while ((tmp = tmp->next) != NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) elem++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) b = alloca(elem * sizeof(*e));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) e = b + elem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) tmp2 = e - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) *(tmp2--) = list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) while ((list = list->next) != NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) *(tmp2--) = list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) while (b != e) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) struct string_list *cur;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) struct symbol *subsym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) cur = *(b++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) switch (cur->tag) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) case SYM_NORMAL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) if (flag_dump_defs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) fprintf(debugfile, "%s ", cur->string);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) crc = partial_crc32(cur->string, crc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) crc = partial_crc32_one(' ', crc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) case SYM_ENUM_CONST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) case SYM_TYPEDEF:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) subsym = find_symbol(cur->string, cur->tag, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) /* FIXME: Bad reference files can segfault here. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) if (subsym->expansion_trail) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) if (flag_dump_defs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) fprintf(debugfile, "%s ", cur->string);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) crc = partial_crc32(cur->string, crc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) crc = partial_crc32_one(' ', crc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) subsym->expansion_trail = expansion_trail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) expansion_trail = subsym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) crc = expand_and_crc_sym(subsym, crc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) case SYM_STRUCT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) case SYM_UNION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) case SYM_ENUM:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) subsym = find_symbol(cur->string, cur->tag, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) if (!subsym) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) struct string_list *n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) error_with_pos("expand undefined %s %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) symbol_types[cur->tag].name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) cur->string);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) n = concat_list(mk_node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) (symbol_types[cur->tag].name),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) mk_node(cur->string),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) mk_node("{"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) mk_node("UNKNOWN"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) mk_node("}"), NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) subsym =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) add_symbol(cur->string, cur->tag, n, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) if (subsym->expansion_trail) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) if (flag_dump_defs) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) fprintf(debugfile, "%s %s ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) symbol_types[cur->tag].name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) cur->string);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) crc = partial_crc32(symbol_types[cur->tag].name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) crc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) crc = partial_crc32_one(' ', crc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) crc = partial_crc32(cur->string, crc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) crc = partial_crc32_one(' ', crc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) subsym->expansion_trail = expansion_trail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) expansion_trail = subsym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) crc = expand_and_crc_sym(subsym, crc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) static struct symbol **end = &visited_symbols;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) if (!sym->visited) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) *end = sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) end = &sym->visited;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) sym->visited = (struct symbol *)-1L;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) return crc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) void export_symbol(const char *name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) struct symbol *sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) sym = find_symbol(name, SYM_NORMAL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) if (!sym)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) error_with_pos("export undefined symbol %s", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) unsigned long crc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) int has_changed = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) if (flag_dump_defs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) fprintf(debugfile, "Export %s == <", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) expansion_trail = (struct symbol *)-1L;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) sym->expansion_trail = expansion_trail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) expansion_trail = sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) crc = expand_and_crc_sym(sym, 0xffffffff) ^ 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) sym = expansion_trail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) while (sym != (struct symbol *)-1L) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) struct symbol *n = sym->expansion_trail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) if (sym->status != STATUS_UNCHANGED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) if (!has_changed) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) print_location();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) fprintf(stderr, "%s: %s: modversion "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) "changed because of changes "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) "in ", flag_preserve ? "error" :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) "warning", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) fprintf(stderr, ", ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) print_type_name(sym->type, sym->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) if (sym->status == STATUS_DEFINED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) fprintf(stderr, " (became defined)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) has_changed = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) if (flag_preserve)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) errors++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) sym->expansion_trail = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) sym = n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) if (has_changed)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) fprintf(stderr, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) if (flag_dump_defs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) fputs(">\n", debugfile);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) /* Used as a linker script. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) printf(!flag_rel_crcs ? "__crc_%s = 0x%08lx;\n" :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) "SECTIONS { .rodata : ALIGN(4) { "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) "__crc_%s = .; LONG(0x%08lx); } }\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) name, crc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) /*----------------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) static void print_location(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) fprintf(stderr, "%s:%d: ", cur_filename ? : "<stdin>", cur_line);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) static void print_type_name(enum symbol_type type, const char *name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) if (symbol_types[type].name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) fprintf(stderr, "%s %s", symbol_types[type].name, name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) fprintf(stderr, "%s", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) void error_with_pos(const char *fmt, ...)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) va_list args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) if (flag_warnings) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) print_location();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) va_start(args, fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) vfprintf(stderr, fmt, args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) va_end(args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) putc('\n', stderr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) errors++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) static void genksyms_usage(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) fputs("Usage:\n" "genksyms [-adDTwqhVR] > /path/to/.tmp_obj.ver\n" "\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) #ifdef __GNU_LIBRARY__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) " -s, --symbol-prefix Select symbol prefix\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) " -d, --debug Increment the debug level (repeatable)\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) " -D, --dump Dump expanded symbol defs (for debugging only)\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) " -r, --reference file Read reference symbols from a file\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) " -T, --dump-types file Dump expanded types into file\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) " -p, --preserve Preserve reference modversions or fail\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) " -w, --warnings Enable warnings\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) " -q, --quiet Disable warnings (default)\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) " -h, --help Print this message\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) " -V, --version Print the release version\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) " -R, --relative-crc Emit section relative symbol CRCs\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) #else /* __GNU_LIBRARY__ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) " -s Select symbol prefix\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) " -d Increment the debug level (repeatable)\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) " -D Dump expanded symbol defs (for debugging only)\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) " -r file Read reference symbols from a file\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) " -T file Dump expanded types into file\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) " -p Preserve reference modversions or fail\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) " -w Enable warnings\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) " -q Disable warnings (default)\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) " -h Print this message\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) " -V Print the release version\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) " -R Emit section relative symbol CRCs\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) #endif /* __GNU_LIBRARY__ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) , stderr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) int main(int argc, char **argv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) FILE *dumpfile = NULL, *ref_file = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) int o;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) #ifdef __GNU_LIBRARY__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) struct option long_opts[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) {"debug", 0, 0, 'd'},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) {"warnings", 0, 0, 'w'},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) {"quiet", 0, 0, 'q'},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) {"dump", 0, 0, 'D'},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) {"reference", 1, 0, 'r'},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) {"dump-types", 1, 0, 'T'},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) {"preserve", 0, 0, 'p'},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) {"version", 0, 0, 'V'},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) {"help", 0, 0, 'h'},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) {"relative-crc", 0, 0, 'R'},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) {0, 0, 0, 0}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) while ((o = getopt_long(argc, argv, "s:dwqVDr:T:phR",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) &long_opts[0], NULL)) != EOF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) #else /* __GNU_LIBRARY__ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) while ((o = getopt(argc, argv, "s:dwqVDr:T:phR")) != EOF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) #endif /* __GNU_LIBRARY__ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) switch (o) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) case 'd':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) flag_debug++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) case 'w':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) flag_warnings = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) case 'q':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) flag_warnings = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) case 'V':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) fputs("genksyms version 2.5.60\n", stderr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) case 'D':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) flag_dump_defs = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) case 'r':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) flag_reference = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) ref_file = fopen(optarg, "r");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) if (!ref_file) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) perror(optarg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) case 'T':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) flag_dump_types = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) dumpfile = fopen(optarg, "w");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) if (!dumpfile) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) perror(optarg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) case 'p':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) flag_preserve = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) case 'h':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) genksyms_usage();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) case 'R':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) flag_rel_crcs = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) genksyms_usage();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) extern int yydebug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) extern int yy_flex_debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) yydebug = (flag_debug > 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) yy_flex_debug = (flag_debug > 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) debugfile = stderr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) /* setlinebuf(debugfile); */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) if (flag_reference) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) read_reference(ref_file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) fclose(ref_file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) yyparse();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) if (flag_dump_types && visited_symbols) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) while (visited_symbols != (struct symbol *)-1L) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) struct symbol *sym = visited_symbols;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) if (sym->is_override)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) fputs("override ", dumpfile);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) if (symbol_types[sym->type].n) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) putc(symbol_types[sym->type].n, dumpfile);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) putc('#', dumpfile);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) fputs(sym->name, dumpfile);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) putc(' ', dumpfile);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) if (sym->is_extern)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) fputs("extern ", dumpfile);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) print_list(dumpfile, sym->defn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) putc('\n', dumpfile);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) visited_symbols = sym->visited;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) sym->visited = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) if (flag_debug) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) fprintf(debugfile, "Hash table occupancy %d/%d = %g\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) nsyms, HASH_BUCKETS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) (double)nsyms / (double)HASH_BUCKETS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) if (dumpfile)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) fclose(dumpfile);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) return errors != 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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