diff options
Diffstat (limited to 'distrib')
| -rw-r--r-- | distrib/crunch/crunchide/elf_hide.c | 35 |
1 files changed, 32 insertions, 3 deletions
diff --git a/distrib/crunch/crunchide/elf_hide.c b/distrib/crunch/crunchide/elf_hide.c index b23e31f5fe3..5bb9f0ae70e 100644 --- a/distrib/crunch/crunchide/elf_hide.c +++ b/distrib/crunch/crunchide/elf_hide.c @@ -1,4 +1,4 @@ -/* $OpenBSD: elf_hide.c,v 1.3 1997/05/06 17:08:29 niklas Exp $ */ +/* $OpenBSD: elf_hide.c,v 1.4 1997/05/19 09:24:39 pefo Exp $ */ /* * Copyright (c) 1997 Dale Rahn. All rights reserved. @@ -312,6 +312,12 @@ hide_sym(Elf32_Ehdr *ehdr, Elf32_Shdr *symsect, unsigned char info; Elf32_Sym *psymtab; +#ifdef __mips__ + int f; + sleep(1); + f = time(NULL) * 200; +#endif + for (i = 0 ; i < (symtabsize/sizeof(Elf32_Sym)); i++) { psymtab = &(symtab[i]); if ((psymtab->st_info & 0xf0) == 0x10 && @@ -325,16 +331,39 @@ hide_sym(Elf32_Ehdr *ehdr, Elf32_Shdr *symsect, get_str(psymtab->st_name)); printf("st_info %x\n", psymtab->st_info); #endif +#ifndef __mips__ info = psymtab->st_info; info = info & 0xf; psymtab->st_info = info; +#else +/* XXX This is a small ugly hack to be able to use chrunchide with MIPS. */ +/* XXX Because MIPS needs global symbols to stay global (has to do with GOT) */ +/* XXX we mess around with the symbol names instead. For most uses this */ +/* XXX will be no problem, symbols are stripped anyway. However, if many */ +/* XXX one character symbols exist, names may clash. */ + { + char *p; + int n, z; + + z = f++; + p = get_str(psymtab->st_name); + n = strlen(p); + if(n > 4) + n = 4; + while(n--) { + p[n] = z; + z >>= 8; + while(p[n] == 0) + p[n] += rand(); + } + } + +#endif #ifdef DEBUG printf("st_info %x\n", psymtab->st_info); #endif } } -#ifdef DEBUG -#endif reorder_syms(ehdr, symsect, symtab, symtabsize, symtabsecnum); } void |