openwrtv4/toolchain/gcc/patches/5.5.0/020-no-plt-backport.patch
Ryan Mounce d67979b9d6 toolchain/gcc: update 5.x to 5.5.0
This is the final bugfix release in the gcc-5 series.

Compile and run tested on macOS 10.13 (Xcode 9), mvebu/ar71xx.

Removed redundant patch for macOS (backported upstream by yours truly)

Signed-off-by: Ryan Mounce <ryan@mounce.com.au>
2017-10-15 00:24:22 +02:00

28 lines
966 B
Diff

--- a/gcc/calls.c
+++ b/gcc/calls.c
@@ -225,6 +225,12 @@ prepare_call_address (tree fndecl_or_typ
&& 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_or_type
+ && TREE_CODE (fndecl_or_type) == FUNCTION_DECL
+ && !targetm.binds_local_p (fndecl_or_type))
+ {
+ funexp = force_reg (Pmode, funexp);
+ }
else if (! sibcallp)
{
#ifndef NO_FUNCTION_CSE
--- a/gcc/common.opt
+++ b/gcc/common.opt
@@ -1779,6 +1779,10 @@ 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