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Check ELF binaries for machine type and endianness.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2274 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2006-12-23 14:18:40 +00:00
parent 70ead43412
commit 9042c0e20d
10 changed files with 44 additions and 15 deletions
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13
elf_ops.h
View file

@ -153,6 +153,9 @@ int glue(load_elf, SZ)(int fd, int64_t virt_to_phys_addend,
glue(bswap_ehdr, SZ)(&ehdr);
}
if (ELF_MACHINE != ehdr.e_machine)
goto fail;
if (pentry)
*pentry = (uint64_t)ehdr.e_entry;
@ -164,7 +167,7 @@ int glue(load_elf, SZ)(int fd, int64_t virt_to_phys_addend,
if (!phdr)
goto fail;
if (read(fd, phdr, size) != size)
goto fail;
goto fail1;
if (must_swab) {
for(i = 0; i < ehdr.e_phnum; i++) {
ph = &phdr[i];
@ -181,9 +184,9 @@ int glue(load_elf, SZ)(int fd, int64_t virt_to_phys_addend,
data = qemu_mallocz(mem_size);
if (ph->p_filesz > 0) {
if (lseek(fd, ph->p_offset, SEEK_SET) < 0)
goto fail;
goto fail2;
if (read(fd, data, ph->p_filesz) != ph->p_filesz)
goto fail;
goto fail2;
}
addr = ph->p_vaddr + virt_to_phys_addend;
@ -197,9 +200,11 @@ int glue(load_elf, SZ)(int fd, int64_t virt_to_phys_addend,
}
qemu_free(phdr);
return total_size;
fail:
fail2:
qemu_free(data);
fail1:
qemu_free(phdr);
fail:
return -1;
}