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-rw-r--r--toolchain/gcc/patches/4.8-linaro/020-no-plt-backport.patch28
1 files changed, 28 insertions, 0 deletions
diff --git a/toolchain/gcc/patches/4.8-linaro/020-no-plt-backport.patch b/toolchain/gcc/patches/4.8-linaro/020-no-plt-backport.patch
new file mode 100644
index 0000000000..b225376865
--- /dev/null
+++ b/toolchain/gcc/patches/4.8-linaro/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