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From 38211ab724d5379dd393414cc8668cd906bde2cb Mon Sep 17 00:00:00 2001
From: Magnus Granberg <zorry@gentoo.org>
Date: Fri, 27 Feb 2015 11:55:09 +0100
Subject: [PATCH] Remove TEXTREL tag in x86
Fix textrel QA warnings when building qtwebkit for x86:
WARNING: QA Issue: ELF binary '/home/andre/rdk/rdk-master/build-vbox32/tmp/work/core2-32-rdk-linux/qtwebkit/5.4.0-r0/packages-split/qtwebkit/usr/lib/libQt5WebKit.so.5.4.0' has relocations in .text [textrel]
Patch from upstream webkit:
https://bugs.webkit.org/show_bug.cgi?id=70610
Minor refresh required to apply cleanly to the older webkit sources used
by qtwebkit. Specifically, the patch needed to be modified to account
for PLATFORM(MAC) -> OS(DARWIN) renaming in recent webkit which is not
part of qtwebkit yet ( https://bugs.webkit.org/show_bug.cgi?id=99683 ).
Upstream status [webkit] : backport
Upstream status [qtwebkit] : unclear
Bug: https://bugs.webkit.org/show_bug.cgi?id=70610
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
---
Source/JavaScriptCore/jit/ThunkGenerators.cpp | 24 ++++++++++++++++++++++++
Source/WTF/wtf/InlineASM.h | 2 ++
2 files changed, 26 insertions(+)
diff --git a/Source/JavaScriptCore/jit/ThunkGenerators.cpp b/Source/JavaScriptCore/jit/ThunkGenerators.cpp
index 9684df2..8af82d8 100644
--- a/Source/JavaScriptCore/jit/ThunkGenerators.cpp
+++ b/Source/JavaScriptCore/jit/ThunkGenerators.cpp
@@ -524,6 +524,30 @@ double jsRound(double d)
} \
static MathThunk UnaryDoubleOpWrapper(function) = &function##Thunk;
+#elif CPU(X86) && COMPILER(GCC) && OS(LINUX) && defined(__PIC__)
+#define defineUnaryDoubleOpWrapper(function) \
+ asm( \
+ ".text\n" \
+ ".globl " SYMBOL_STRING(function##Thunk) "\n" \
+ HIDE_SYMBOL(function##Thunk) "\n" \
+ SYMBOL_STRING(function##Thunk) ":" "\n" \
+ "pushl %ebx\n" \
+ "subl $20, %esp\n" \
+ "movsd %xmm0, (%esp) \n" \
+ "call __x86.get_pc_thunk.bx\n" \
+ "addl $_GLOBAL_OFFSET_TABLE_, %ebx\n" \
+ "call " GLOBAL_REFERENCE(function) "\n" \
+ "fstpl (%esp) \n" \
+ "movsd (%esp), %xmm0 \n" \
+ "addl $20, %esp\n" \
+ "popl %ebx\n" \
+ "ret\n" \
+ );\
+ extern "C" { \
+ MathThunkCallingConvention function##Thunk(MathThunkCallingConvention); \
+ } \
+ static MathThunk UnaryDoubleOpWrapper(function) = &function##Thunk;
+
#elif CPU(X86) && COMPILER(GCC) && (PLATFORM(MAC) || OS(LINUX))
#define defineUnaryDoubleOpWrapper(function) \
asm( \
diff --git a/Source/WTF/wtf/InlineASM.h b/Source/WTF/wtf/InlineASM.h
index 0a2fe78..2dc40ef 100644
--- a/Source/WTF/wtf/InlineASM.h
+++ b/Source/WTF/wtf/InlineASM.h
@@ -46,6 +46,8 @@
#define GLOBAL_REFERENCE(name) #name "@plt"
#elif CPU(X86) && COMPILER(MINGW)
#define GLOBAL_REFERENCE(name) "@" #name "@4"
+#elif OS(LINUX) && CPU(X86) && defined(__PIC__)
+#define GLOBAL_REFERENCE(name) SYMBOL_STRING(name) "@plt"
#else
#define GLOBAL_REFERENCE(name) SYMBOL_STRING(name)
#endif
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