diff options
| -rw-r--r-- | elf/dl-load.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/elf/dl-load.c b/elf/dl-load.c index 5f57916..416f9ac 100644 --- a/elf/dl-load.c +++ b/elf/dl-load.c @@ -1,5 +1,5 @@ /* _dl_map_object -- Map in a shared object's segments from the file. -Copyright (C) 1995 Free Software Foundation, Inc. +Copyright (C) 1995, 1996 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -246,10 +246,19 @@ _dl_map_object_from_fd (const char *name, int fd, char *realname) header = map (0, sizeof *header); /* Check the header for basic validity. */ - if (*(Elf32_Word *) &header->e_ident != ((ELFMAG0 << (EI_MAG0 * 8)) | - (ELFMAG1 << (EI_MAG1 * 8)) | - (ELFMAG2 << (EI_MAG2 * 8)) | - (ELFMAG3 << (EI_MAG3 * 8)))) + if (*(Elf32_Word *) &header->e_ident != +#if BYTE_ORDER == LITTLE_ENDIAN + ((ELFMAG0 << (EI_MAG0 * 8)) | + (ELFMAG1 << (EI_MAG1 * 8)) | + (ELFMAG2 << (EI_MAG2 * 8)) | + (ELFMAG3 << (EI_MAG3 * 8))) +#else + ((ELFMAG0 << (EI_MAG3 * 8)) | + (ELFMAG1 << (EI_MAG2 * 8)) | + (ELFMAG2 << (EI_MAG1 * 8)) | + (ELFMAG3 << (EI_MAG0 * 8))) +#endif + ) LOSE ("invalid ELF header"); if (header->e_ident[EI_CLASS] != ELFCLASS32) LOSE ("ELF file class not 32-bit"); @@ -318,8 +327,8 @@ _dl_map_object_from_fd (const char *name, int fd, char *realname) { struct loadcmd *c = &loadcmds[nloadcmds++]; c->mapstart = ph->p_vaddr & ~(ph->p_align - 1); - c->mapend = ((ph->p_vaddr + ph->p_filesz + ph->p_align - 1) - & ~(ph->p_align - 1)); + c->mapend = ((ph->p_vaddr + ph->p_filesz + pagesize - 1) + & ~(pagesize - 1)); c->dataend = ph->p_vaddr + ph->p_filesz; c->allocend = ph->p_vaddr + ph->p_memsz; c->mapoff = ph->p_offset & ~(ph->p_align - 1); |