first public release

Signed-off-by: Toni Uhlig <matzeton@googlemail.com>

1 files changed, 66 insertions, 0 deletions

diff --git a/deps/gcc-4.9.4-naked.patch b/deps/gcc-4.9.4-naked.patch
new file mode 100644
index 0000000..c3c7e74
--- /dev/null
+++ b/deps/gcc-4.9.4-naked.patch
@@ -0,0 +1,66 @@
+diff -Naur gcc-4.9.4-orig/gcc/config/i386/i386.c gcc-4.9.4/gcc/config/i386/i386.c
+--- gcc-4.9.4-orig/gcc/config/i386/i386.c
++++ gcc-4.9.4/gcc/config/i386/i386.c
+@@ -6041,6 +6041,14 @@
+   return false;
+ }
+ 
++static bool
++ix86_function_naked (const_tree fn)
++{
++  if (fn && lookup_attribute ("naked", DECL_ATTRIBUTES (fn)))
++    return true;
++  return false;
++}
++
+ static enum calling_abi
+ ix86_function_abi (const_tree fndecl)
+ {
+@@ -9078,6 +9086,9 @@
+ {
+   struct ix86_frame frame;
+ 
++  if (ix86_function_naked (current_function_decl))
++    return false;
++
+   if (! reload_completed || frame_pointer_needed)
+     return 0;
+ 
+@@ -9090,7 +9101,7 @@
+   return (frame.stack_pointer_offset == UNITS_PER_WORD
+ 	  && (frame.nregs + frame.nsseregs) == 0);
+ }
+-
++
+ /* Value should be nonzero if functions must have frame pointers.
+    Zero means the frame pointer need not be set up (and parms may
+    be accessed via the stack pointer) in functions that seem suitable.  */
+@@ -10753,6 +10764,9 @@
+   bool int_registers_saved;
+   bool sse_registers_saved;
+ 
++  if (ix86_function_naked (current_function_decl))
++    return;
++
+   ix86_finalize_stack_realign_flags ();
+ 
+   /* DRAP should not coexist with stack_realign_fp */
+@@ -11459,6 +11473,9 @@
+   bool restore_regs_via_mov;
+   bool using_drap;
+ 
++  if (ix86_function_naked (current_function_decl))
++    return;
++
+   ix86_finalize_stack_realign_flags ();
+   ix86_compute_frame_layout (&frame);
+ 
+@@ -42414,6 +42431,8 @@
+     false },
+   { "callee_pop_aggregate_return", 1, 1, false, true, true,
+     ix86_handle_callee_pop_aggregate_return, true },
++  { "naked", 0, 0, true, false, false,
++    ix86_handle_fndecl_attribute, false },
+   /* End element.  */
+   { NULL,        0, 0, false, false, false, NULL, false }
+ };