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authorSzabolcs Nagy <szabolcs.nagy@arm.com>2022-09-01 16:43:19 +0100
committerSzabolcs Nagy <szabolcs.nagy@arm.com>2022-11-22 14:31:25 +0000
commit096943551e02aef644c7f180ee7a1f3474141e80 (patch)
treebcecc037fbe28be902bc511d55d8ee425e011a45
parentb9af312764f7a1f8d0c9c11118bbceae28c950f4 (diff)
downloadglibc-096943551e02aef644c7f180ee7a1f3474141e80.tar.gz
aarch64: morello: add D_PTR_RW
Writable version of D_PTR, required for updating GOT[1] and GOT[2].
-rw-r--r--sysdeps/aarch64/ldsodefs.h4
-rw-r--r--sysdeps/aarch64/morello/dl-machine.h2
2 files changed, 5 insertions, 1 deletions
diff --git a/sysdeps/aarch64/ldsodefs.h b/sysdeps/aarch64/ldsodefs.h
index b0b23df93c..e86c7e1e0e 100644
--- a/sysdeps/aarch64/ldsodefs.h
+++ b/sysdeps/aarch64/ldsodefs.h
@@ -25,6 +25,10 @@
#ifdef __CHERI_PURE_CAPABILITY__
# define DO_ELF_MACHINE_REL_RELATIVE(map, l_addr, relative) \
elf_machine_rela_relative (map, relative)
+
+#define D_PTR_RW(map, i) \
+ (dl_relocate_ld (map) ? (map)->i->d_un.d_ptr \
+ : dl_rw_ptr ((map), (map)->i->d_un.d_ptr))
#endif
struct La_aarch64_regs;
diff --git a/sysdeps/aarch64/morello/dl-machine.h b/sysdeps/aarch64/morello/dl-machine.h
index 11e026302c..0f681b1925 100644
--- a/sysdeps/aarch64/morello/dl-machine.h
+++ b/sysdeps/aarch64/morello/dl-machine.h
@@ -53,7 +53,7 @@ elf_machine_runtime_setup (struct link_map *l, struct r_scope_elem *scope[],
extern void _dl_runtime_resolve (ElfW(Word));
extern void _dl_runtime_profile (ElfW(Word));
- got = (uintptr_t *) D_PTR (l, l_info[DT_PLTGOT]);
+ got = (uintptr_t *) D_PTR_RW (l, l_info[DT_PLTGOT]);
if (got[1])
{
l->l_mach.plt = dl_rx_ptr (l, got[1]);