[AArch64]Speed up linking speed by skipping unncessary TLS reloc type check

2015-08-11  Jiong Wang  <jiong.wang@arm.com>

bfd/
   * elfnn-aarch64.c (IS_AARCH64_TLS_RELAX_RELOC): New.
  (aarch64_can_relax_tls): Use the new IS_AARCH64_TLS_RELAX_RELOC.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index f4acd03..4b70d83 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,5 +1,10 @@
 2015-08-11  Jiong Wang  <jiong.wang@arm.com>
 
+       * elfnn-aarch64.c (IS_AARCH64_TLS_RELAX_RELOC): New.
+       (aarch64_can_relax_tls): Use the new IS_AARCH64_TLS_RELAX_RELOC.
+
+2015-08-11  Jiong Wang  <jiong.wang@arm.com>
+
        * bfd/elfnn-aarch64.c (aarch64_type_of_stub): New parameter "sym_sec".
        Loose the check for symbol from ABS section.
        (elfNN_aarch64_size_stubs): Pass sym_sec.

diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c
index 37fe1a6..1796ecd 100644 (file)
--- a/bfd/elfnn-aarch64.c
+++ b/bfd/elfnn-aarch64.c
@@ -191,6 +191,20 @@
    || (R_TYPE) == BFD_RELOC_AARCH64_TLS_TPREL                  \
    || IS_AARCH64_TLSDESC_RELOC ((R_TYPE)))
 
+#define IS_AARCH64_TLS_RELAX_RELOC(R_TYPE)                     \
+  ((R_TYPE) == BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21              \
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSGD_ADR_PREL21           \
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC          \
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21  \
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19   \
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSIE_LDNN_GOTTPREL_LO12_NC        \
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSDESC_ADR_PAGE21         \
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSDESC_ADR_PREL21         \
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSDESC_LD_PREL19          \
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSDESC_LDNN_LO12_NC       \
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSDESC_CALL               \
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC)
+
 #define IS_AARCH64_TLSDESC_RELOC(R_TYPE)                       \
   ((R_TYPE) == BFD_RELOC_AARCH64_TLSDESC                       \
    || (R_TYPE) == BFD_RELOC_AARCH64_TLSDESC_ADD                        \
@@ -4206,7 +4220,7 @@ aarch64_can_relax_tls (bfd *input_bfd,
   unsigned int symbol_got_type;
   unsigned int reloc_got_type;
 
-  if (! IS_AARCH64_TLS_RELOC (r_type))
+  if (! IS_AARCH64_TLS_RELAX_RELOC (r_type))
     return FALSE;
 
   symbol_got_type = elfNN_aarch64_symbol_got_type (h, input_bfd, r_symndx);