bswap16s(&sym->st_shndx);
}
-static struct elf_shdr *glue(find_section, SZ)(struct elf_shdr *shdr_table,
+static struct elf_shdr *glue(find_section, SZ)(struct elf_shdr *shdr_table,
int n, int type)
{
int i;
int nsyms, i;
char *str = NULL;
- shdr_table = load_at(fd, ehdr->e_shoff,
+ shdr_table = load_at(fd, ehdr->e_shoff,
sizeof(struct elf_shdr) * ehdr->e_shnum);
if (!shdr_table)
return -1;
-
+
if (must_swab) {
for (i = 0; i < ehdr->e_shnum; i++) {
glue(bswap_shdr, SZ)(shdr_table + i);
}
}
-
+
symtab = glue(find_section, SZ)(shdr_table, ehdr->e_shnum, SHT_SYMTAB);
if (!symtab)
goto fail;
return -1;
}
-int glue(load_elf, SZ)(int fd, int64_t virt_to_phys_addend, int must_swab)
+int glue(load_elf, SZ)(int fd, int64_t virt_to_phys_addend,
+ int must_swab, uint64_t *pentry,
+ uint64_t *lowaddr, uint64_t *highaddr)
{
struct elfhdr ehdr;
struct elf_phdr *phdr = NULL, *ph;
int size, i, total_size;
+ elf_word low = 0, high = 0;
elf_word mem_size, addr;
- uint8_t *data;
+ uint8_t *data = NULL;
if (read(fd, &ehdr, sizeof(ehdr)) != sizeof(ehdr))
goto fail;
glue(bswap_ehdr, SZ)(&ehdr);
}
+ if (ELF_MACHINE != ehdr.e_machine)
+ goto fail;
+
+ if (pentry)
+ *pentry = (uint64_t)ehdr.e_entry;
+
glue(load_symbols, SZ)(&ehdr, fd, must_swab);
size = ehdr.e_phnum * sizeof(phdr[0]);
glue(bswap_phdr, SZ)(ph);
}
}
-
+
total_size = 0;
for(i = 0; i < ehdr.e_phnum; i++) {
ph = &phdr[i];
/* XXX: avoid allocating */
data = qemu_mallocz(mem_size);
if (ph->p_filesz > 0) {
- lseek(fd, ph->p_offset, SEEK_SET);
+ if (lseek(fd, ph->p_offset, SEEK_SET) < 0)
+ goto fail;
if (read(fd, data, ph->p_filesz) != ph->p_filesz)
goto fail;
}
cpu_physical_memory_write_rom(addr, data, mem_size);
total_size += mem_size;
+ if (!low || addr < low)
+ low = addr;
+ if (!high || (addr + mem_size) > high)
+ high = addr + mem_size;
qemu_free(data);
+ data = NULL;
}
}
+ qemu_free(phdr);
+ if (lowaddr)
+ *lowaddr = (uint64_t)low;
+ if (highaddr)
+ *highaddr = (uint64_t)high;
return total_size;
fail:
+ qemu_free(data);
qemu_free(phdr);
return -1;
}
-