diff options
| -rw-r--r-- | ChangeLog | 7 | ||||
| -rw-r--r-- | sysdeps/aarch64/dl-tlsdesc.S | 18 | ||||
| -rw-r--r-- | sysdeps/aarch64/tlsdesc.sym | 3 |
3 files changed, 19 insertions, 9 deletions
diff --git a/ChangeLog b/ChangeLog index 1be316c072..f75137bbea 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2016-12-02 Florian Weimer <fweimer@redhat.com> + + * sysdeps/aarch64/tlsdesc.sym (TCBHEAD_DTV, DTV_COUNTER) + (TLS_DTV_UNALLOCATED): Add. + * sysdeps/aarch64/dl-tlsdesc.S (_dl_tlsdesc_dynamic): Use explicit + offsets. + 2016-12-02 Stefan Liebler <stli@linux.vnet.ibm.com> * sysdeps/s390/fpu/libm-test-ulps: Regenerated. 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 |