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(elf_machine_rela) [r_type == R_ALPHA_REFQUAD]: Use memcpy to load and

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store value from relocation address to prevent unaligned trap.
This commit is contained in:
Ulrich Drepper 2000-07-01 05:08:03 +00:00
parent 7228f3cac1
commit 22fb102e6b
1 changed files with 8 additions and 2 deletions
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10
sysdeps/alpha/dl-machine.h
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@ -500,7 +500,12 @@ elf_machine_rela (struct link_map *map,
elf_machine_fixup_plt (map, NULL, reloc, reloc_addr, sym_value);
else if (r_type == R_ALPHA_REFQUAD)
{
sym_value += *reloc_addr;
void *reloc_addr_1 = reloc_addr;
Elf64_Addr reloc_addr_val;
/* Load value without causing unaligned trap. */
memcpy (&reloc_addr_val, reloc_addr_1, 8);
sym_value += reloc_addr_val;
#ifndef RTLD_BOOTSTRAP
if (map == &_dl_rtld_map)
{
@ -516,7 +521,8 @@ elf_machine_rela (struct link_map *map,
sym_value -= reloc->r_addend;
}
#endif
*reloc_addr = sym_value;
/* Store value without causing unaligned trap. */
memcpy (reloc_addr_1, &sym_value, 8);
}
else
_dl_reloc_bad_type (map, r_type, 0);