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-rw-r--r--sysdeps/aarch64/dl-tlsdesc.S18
-rw-r--r--sysdeps/aarch64/tlsdesc.sym3
2 files changed, 12 insertions, 9 deletions
diff --git a/sysdeps/aarch64/dl-tlsdesc.S b/sysdeps/aarch64/dl-tlsdesc.S
index 42fa943859..9e557dd134 100644
--- a/sysdeps/aarch64/dl-tlsdesc.S
+++ b/sysdeps/aarch64/dl-tlsdesc.S
@@ -154,7 +154,7 @@ _dl_tlsdesc_undefweak:
_dl_tlsdesc_dynamic (struct tlsdesc *tdp)
{
struct tlsdesc_dynamic_arg *td = tdp->arg;
- dtv_t *dtv = *(dtv_t **)((char *)__thread_pointer + DTV_OFFSET);
+ dtv_t *dtv = *(dtv_t **)((char *)__thread_pointer + TCBHEAD_DTV);
if (__builtin_expect (td->gen_count <= dtv[0].counter
&& (dtv[td->tlsinfo.ti_module].pointer.val
!= TLS_DTV_UNALLOCATED),
@@ -193,18 +193,18 @@ _dl_tlsdesc_dynamic:
td->entry in _dl_tlsdesc_resolve_rela_fixup ensuring that the load
from [x0,#PTR_SIZE] here happens after the initialization of td->arg. */
ldar PTR_REG (zr), [x0]
- ldr PTR_REG (1), [x0,#PTR_SIZE]
- ldr PTR_REG (0), [x4]
- ldr PTR_REG (3), [x1,#(PTR_SIZE * 2)]
- ldr PTR_REG (2), [x0]
+ ldr PTR_REG (1), [x0,#TLSDESC_ARG]
+ ldr PTR_REG (0), [x4,#TCBHEAD_DTV]
+ ldr PTR_REG (3), [x1,#TLSDESC_GEN_COUNT]
+ ldr PTR_REG (2), [x0,#DTV_COUNTER]
cmp PTR_REG (3), PTR_REG (2)
b.hi 2f
- ldr PTR_REG (2), [x1]
+ ldr PTR_REG (2), [x1,#TLSDESC_MODID]
add PTR_REG (0), PTR_REG (0), PTR_REG (2), lsl #(PTR_LOG_SIZE + 1)
- ldr PTR_REG (0), [x0]
- cmn x0, #0x1
+ ldr PTR_REG (0), [x0] /* Load val member of DTV entry. */
+ cmp x0, #TLS_DTV_UNALLOCATED
b.eq 2f
- ldr PTR_REG (1), [x1,#(PTR_SIZE * 2)]
+ ldr PTR_REG (1), [x1,#TLSDESC_MODOFF]
add PTR_REG (0), PTR_REG (0), PTR_REG (1)
sub PTR_REG (0), PTR_REG (0), PTR_REG (4)
1:
diff --git a/sysdeps/aarch64/tlsdesc.sym b/sysdeps/aarch64/tlsdesc.sym
index 63766af612..a06a719779 100644
--- a/sysdeps/aarch64/tlsdesc.sym
+++ b/sysdeps/aarch64/tlsdesc.sym
@@ -13,3 +13,6 @@ TLSDESC_ARG offsetof(struct tlsdesc, arg)
TLSDESC_GEN_COUNT offsetof(struct tlsdesc_dynamic_arg, gen_count)
TLSDESC_MODID offsetof(struct tlsdesc_dynamic_arg, tlsinfo.ti_module)
TLSDESC_MODOFF offsetof(struct tlsdesc_dynamic_arg, tlsinfo.ti_offset)
+TCBHEAD_DTV offsetof(tcbhead_t, dtv)
+DTV_COUNTER offsetof(dtv_t, counter)
+TLS_DTV_UNALLOCATED TLS_DTV_UNALLOCATED