> On Jan 4, 2016, at 2:04 AM, Andreas Müller <[email protected]> > wrote: > > We have a simple application containing a QWebView which segfaulted during > loading a page on a CortexA9 (armv7 thumb2). After enabling debug information > for qtwebkit and remote debug session the point of segfault was detected in > > Source/JavaScriptCore/llint/LowLevelInterpreter.asm:1082 > callSlowPath(_llint_slow_path_new_func_exp)
yes llint has issues with arm mode on armv7 > > Further digging around lead to similar source in: > > * qtwebkit: Source/JavaScriptCore/assembler/ARMv7Assembler.h > * qtscript: > src/3rdparty/javascriptcore/JavaScriptCore/assembler/ARMv7Assembler.h > > In these files a class ARMThumbImmediate is declared and used in many places. > This lead me to the suspicion that compiligng for armv7 expects thumb support. > > The following tests were performed: > > * our application is working fine again > * qtscript and qtwebkit were build with > 'ARM_INSTRUCTION_SET = "thumb"' => TUNE_FEATURES = "arm armv5 thumb dsp" > for qemuarm without issues > > This is a partial/rebased revert of: > commit 932b32c1c9e9a3ac833c82ff9273683345056ec7 > Author: Martin Jansa <[email protected]> > Date: Wed Apr 22 15:33:01 2015 +0200 > > qtscript,qtwebking: disable thumb > > * qemuarm builds fail when thumb is enabled > > Signed-off-by: Martin Jansa <[email protected]> > > Signed-off-by: Andreas Müller <[email protected]> > --- > recipes-qt/qt5/qtscript_git.bb | 3 ++- > recipes-qt/qt5/qtwebkit_git.bb | 3 ++- > 2 files changed, 4 insertions(+), 2 deletions(-) > > diff --git a/recipes-qt/qt5/qtscript_git.bb b/recipes-qt/qt5/qtscript_git.bb > index c6dca51..c53217a 100644 > --- a/recipes-qt/qt5/qtscript_git.bb > +++ b/recipes-qt/qt5/qtscript_git.bb > @@ -22,7 +22,8 @@ LIC_FILES_CHKSUM = " \ > #{standard input}:23: Error: selected processor does not support Thumb mode > `stmdb sp!,{r4-r8,lr}' > #{standard input}:30: Error: lo register required -- `ldmia sp!,{r4-r8,lr}' > #{standard input}:43: Error: lo register required -- `ldmia sp!,{r4-r8,lr}' > -ARM_INSTRUCTION_SET = "arm" > +ARM_INSTRUCTION_SET_armv4 = "arm" > +ARM_INSTRUCTION_SET_armv5 = "arm" > > DEPENDS += "qtbase" > > diff --git a/recipes-qt/qt5/qtwebkit_git.bb b/recipes-qt/qt5/qtwebkit_git.bb > index 862abd2..a952306 100644 > --- a/recipes-qt/qt5/qtwebkit_git.bb > +++ b/recipes-qt/qt5/qtwebkit_git.bb > @@ -15,7 +15,8 @@ DEPENDS += "qtbase qtdeclarative icu ruby-native sqlite3 > glib-2.0 libxslt" > # | {standard input}: Assembler messages: > # | {standard input}:106: Error: invalid immediate: 983040 is out of range > # | {standard input}:106: Error: value of 983040 too large for field of 2 > bytes at 146 > -ARM_INSTRUCTION_SET = "arm" > +ARM_INSTRUCTION_SET_armv4 = "arm" > +ARM_INSTRUCTION_SET_armv5 = "arm" > > SRC_URI += "\ > file://0001-qtwebkit-fix-QA-issue-bad-RPATH.patch \ > -- > 2.5.0 > > -- > _______________________________________________ > Openembedded-devel mailing list > [email protected] > http://lists.openembedded.org/mailman/listinfo/openembedded-devel
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