X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fsvn-archive%2Farchive.git;a=blobdiff_plain;f=toolchain%2Fgcc%2Fpatches%2Farc-2015.06%2F020-no-plt-backport.patch;fp=toolchain%2Fgcc%2Fpatches%2Farc-2015.06%2F020-no-plt-backport.patch;h=b225376865d281be78bd65535aadeceec0253212;hp=0000000000000000000000000000000000000000;hb=534c38bacf143b4c77d497022a2f118a7ad381f8;hpb=0b80122dadd780ff30296e7a1b44d1c4eaef0fb9

diff --git a/toolchain/gcc/patches/arc-2015.06/020-no-plt-backport.patch b/toolchain/gcc/patches/arc-2015.06/020-no-plt-backport.patch
new file mode 100644
index 0000000000..b225376865
--- /dev/null
+++ b/toolchain/gcc/patches/arc-2015.06/020-no-plt-backport.patch
@@ -0,0 +1,28 @@
+--- a/gcc/calls.c
++++ b/gcc/calls.c
+@@ -176,6 +176,12 @@ prepare_call_address (tree fndecl, rtx f
+ 	       && targetm.small_register_classes_for_mode_p (FUNCTION_MODE))
+ 	      ? force_not_mem (memory_address (FUNCTION_MODE, funexp))
+ 	      : memory_address (FUNCTION_MODE, funexp));
++  else if (flag_pic && !flag_plt && fndecl
++	   && TREE_CODE (fndecl) == FUNCTION_DECL
++	   && !targetm.binds_local_p (fndecl))
++    {
++      funexp = force_reg (Pmode, funexp);
++    }
+   else if (! sibcallp)
+     {
+ #ifndef NO_FUNCTION_CSE
+--- a/gcc/common.opt
++++ b/gcc/common.opt
+@@ -1617,6 +1617,10 @@ fpie
+ Common Report Var(flag_pie,1) Negative(fPIC)
+ Generate position-independent code for executables if possible (small mode)
+ 
++fplt
++Common Report Var(flag_plt) Init(1)
++Use PLT for PIC calls (-fno-plt: load the address from GOT at call site)
++
+ fplugin=
+ Common Joined RejectNegative Var(common_deferred_options) Defer
+ Specify a plugin to load