From 5ae7ac49f08a179e4f054d99fcfc9dce78d26e58 Mon Sep 17 00:00:00 2001
From: hkuang <hkuang@google.com>
Date: Thu, 7 Nov 2013 15:50:31 -0800
Subject: Roll latest libvpx into Android.

The lastest libvpx just added multithread tile decoding support.
Checkout is from master: abdefeaa89a0908327518e5ca75c935c66b2e1aa

Bug:11576718
Change-Id: Icbe5430633e179b8dc6d419e280ad7ebd3cad4a0
---
 libvpx/third_party/x86inc/x86inc.asm | 90 ++++++++++++++++++++++++++++++++----
 1 file changed, 82 insertions(+), 8 deletions(-)

(limited to 'libvpx/third_party/x86inc/x86inc.asm')

diff --git a/libvpx/third_party/x86inc/x86inc.asm b/libvpx/third_party/x86inc/x86inc.asm
index a66a96b..9e4918a 100644
--- a/libvpx/third_party/x86inc/x86inc.asm
+++ b/libvpx/third_party/x86inc/x86inc.asm
@@ -97,21 +97,91 @@
     %endif
 %endmacro
 
-%if WIN64
+; PIC macros are copied from vpx_ports/x86_abi_support.asm. The "define PIC"
+; from original code is added in for 64bit.
+%ifidn __OUTPUT_FORMAT__,elf32
+%define ABI_IS_32BIT 1
+%elifidn __OUTPUT_FORMAT__,macho32
+%define ABI_IS_32BIT 1
+%elifidn __OUTPUT_FORMAT__,win32
+%define ABI_IS_32BIT 1
+%elifidn __OUTPUT_FORMAT__,aout
+%define ABI_IS_32BIT 1
+%else
+%define ABI_IS_32BIT 0
+%endif
+
+%if ABI_IS_32BIT
+  %if CONFIG_PIC=1
+  %ifidn __OUTPUT_FORMAT__,elf32
+    %define GET_GOT_SAVE_ARG 1
+    %define WRT_PLT wrt ..plt
+    %macro GET_GOT 1
+      extern _GLOBAL_OFFSET_TABLE_
+      push %1
+      call %%get_got
+      %%sub_offset:
+      jmp %%exitGG
+      %%get_got:
+      mov %1, [esp]
+      add %1, _GLOBAL_OFFSET_TABLE_ + $$ - %%sub_offset wrt ..gotpc
+      ret
+      %%exitGG:
+      %undef GLOBAL
+      %define GLOBAL(x) x + %1 wrt ..gotoff
+      %undef RESTORE_GOT
+      %define RESTORE_GOT pop %1
+    %endmacro
+  %elifidn __OUTPUT_FORMAT__,macho32
+    %define GET_GOT_SAVE_ARG 1
+    %macro GET_GOT 1
+      push %1
+      call %%get_got
+      %%get_got:
+      pop  %1
+      %undef GLOBAL
+      %define GLOBAL(x) x + %1 - %%get_got
+      %undef RESTORE_GOT
+      %define RESTORE_GOT pop %1
+    %endmacro
+  %endif
+  %endif
+
+  %if ARCH_X86_64 == 0
+    %undef PIC
+  %endif
+
+%else
+  %macro GET_GOT 1
+  %endmacro
+  %define GLOBAL(x) rel x
+  %define WRT_PLT wrt ..plt
+
+  %if WIN64
     %define PIC
-%elifidn __OUTPUT_FORMAT__,macho64
+  %elifidn __OUTPUT_FORMAT__,macho64
     %define PIC
-%elif ARCH_X86_64 == 0
-; x86_32 doesn't require PIC.
-; Some distros prefer shared objects to be PIC, but nothing breaks if
-; the code contains a few textrels, so we'll skip that complexity.
-    %undef PIC
-%elif CONFIG_PIC
+  %elif CONFIG_PIC
     %define PIC
+  %endif
+%endif
+
+%ifnmacro GET_GOT
+    %macro GET_GOT 1
+    %endmacro
+    %define GLOBAL(x) x
+%endif
+%ifndef RESTORE_GOT
+%define RESTORE_GOT
 %endif
+%ifndef WRT_PLT
+%define WRT_PLT
+%endif
+
 %ifdef PIC
     default rel
 %endif
+; Done with PIC macros
 
 ; Always use long nops (reduces 0x90 spam in disassembly on x86_32)
 %ifndef __NASM_VER__
@@ -528,6 +598,10 @@ DECLARE_ARG 7, 8, 9, 10, 11, 12, 13, 14
         global %1:function hidden
     %elifidn __OUTPUT_FORMAT__,elf64
         global %1:function hidden
+    %elifidn __OUTPUT_FORMAT__,macho32
+        global %1:private_extern
+    %elifidn __OUTPUT_FORMAT__,macho64
+        global %1:private_extern
     %else
         global %1
     %endif
-- 
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