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X86_64: We use RELA not REL

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Weird huh? GNU ld uses RELA but no addends, as soon as
you get an addend from LLD, this code breaks

Signed-off-by: Callum Farmer <gmbr3@opensuse.org>
This commit is contained in:
Callum Farmer 2024-07-04 15:15:36 +01:00
parent 9c953ddf27
commit 2765122e67
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GPG Key ID: 9A5B19E18CD0013C
1 changed files with 4 additions and 4 deletions
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8
gnuefi/reloc_x86_64.c
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@ -45,14 +45,14 @@ EFI_STATUS _relocate (long ldbase, Elf64_Dyn *dyn,
EFI_SYSTEM_TABLE *systab EFI_UNUSED)
{
long relsz = 0, relent = 0;
Elf64_Rel *rel = 0;
Elf64_Rela *rel = 0;
unsigned long *addr;
int i;
for (i = 0; dyn[i].d_tag != DT_NULL; ++i) {
switch (dyn[i].d_tag) {
case DT_RELA:
rel = (Elf64_Rel*)
rel = (Elf64_Rela*)
((unsigned long)dyn[i].d_un.d_ptr
+ ldbase);
break;
@ -85,13 +85,13 @@ EFI_STATUS _relocate (long ldbase, Elf64_Dyn *dyn,
case R_X86_64_RELATIVE:
addr = (unsigned long *)
(ldbase + rel->r_offset);
*addr += ldbase;
*addr = ldbase + rel->r_addend;
break;
default:
break;
}
rel = (Elf64_Rel*) ((char *) rel + relent);
rel = (Elf64_Rela*) ((char *) rel + relent);
relsz -= relent;
}
return EFI_SUCCESS;