diff options
Diffstat (limited to 'lib/libc/gen/nlist.c')
| -rw-r--r-- | lib/libc/gen/nlist.c | 47 |
1 files changed, 43 insertions, 4 deletions
diff --git a/lib/libc/gen/nlist.c b/lib/libc/gen/nlist.c index 1f5458189a0..cf0b63e3398 100644 --- a/lib/libc/gen/nlist.c +++ b/lib/libc/gen/nlist.c @@ -1,4 +1,4 @@ -/* $OpenBSD: nlist.c,v 1.8 1996/05/28 14:11:21 etheisen Exp $ */ +/* $OpenBSD: nlist.c,v 1.9 1996/05/29 03:05:14 deraadt Exp $ */ /* $NetBSD: nlist.c,v 1.7 1996/05/16 20:49:20 cgd Exp $ */ /* @@ -35,11 +35,10 @@ */ #if defined(LIBC_SCCS) && !defined(lint) -static char rcsid[] = "$OpenBSD: nlist.c,v 1.8 1996/05/28 14:11:21 etheisen Exp $"; +static char rcsid[] = "$OpenBSD: nlist.c,v 1.9 1996/05/29 03:05:14 deraadt Exp $"; #endif /* LIBC_SCCS and not lint */ -#include "exec_sup.h" /* determine targ OMFs for a given machine */ - +#include <sys/types.h> #include <sys/param.h> #include <sys/mman.h> #include <sys/stat.h> @@ -49,6 +48,15 @@ static char rcsid[] = "$OpenBSD: nlist.c,v 1.8 1996/05/28 14:11:21 etheisen Exp #include <stdio.h> #include <string.h> #include <unistd.h> +#include <a.out.h> /* pulls in nlist.h */ + +#ifdef DO_ELF +#include <elf_abi.h> +#endif + +#ifdef DO_ECOFF +#include <sys/exec_ecoff.h> +#endif #define ISLAST(p) (p->n_un.n_name == 0 || p->n_un.n_name[0] == 0) @@ -243,6 +251,37 @@ out: #endif /* DO_ECOFF */ #ifdef DO_ELF +/* + * __elf_is_okay__ - Determine if ehdr really + * is ELF and valid for the target platform. + * + * WARNING: This is NOT a ELF ABI function and + * as such it's use should be restricted. + */ +int +__elf_is_okay__(ehdr) + register Elf32_Ehdr *ehdr; +{ + register int retval = 0; + /* + * We need to check magic, class size, endianess, + * and version before we look at the rest of the + * Elf32_Ehdr structure. These few elements are + * represented in a machine independant fashion. + */ + if (IS_ELF(*ehdr) && + ehdr->e_ident[EI_CLASS] == ELF_TARG_CLASS && + ehdr->e_ident[EI_DATA] == ELF_TARG_DATA && + ehdr->e_ident[EI_VERSION] == ELF_TARG_VER) { + + /* Now check the machine dependant header */ + if (ehdr->e_machine == ELF_TARG_MACH && + ehdr->e_version == ELF_TARG_VER) + retval = 1; + } + return retval; +} + int __elf_fdnlist(fd, list) register int fd; |