[OE-core] [PATCH] webkitgtk: Switch the ARMv7 build to Thumb2 and enable back the JSC JIT.

[Carlos Alberto Lopez Perez]

* The JSC JIT is broken on ARMv7 without Thumb2.

[YOCTO #9474]

Signed-off-by: Carlos Alberto Lopez Perez <clopez at igalia.com>
---
 meta/recipes-sato/webkit/webkitgtk_2.12.3.bb | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/meta/recipes-sato/webkit/webkitgtk_2.12.3.bb b/meta/recipes-sato/webkit/webkitgtk_2.12.3.bb
index c5e5432..536fa23 100644
--- a/meta/recipes-sato/webkit/webkitgtk_2.12.3.bb
+++ b/meta/recipes-sato/webkit/webkitgtk_2.12.3.bb
@@ -71,10 +71,6 @@ EXTRA_OECMAKE_append_armv5 = " -DENABLE_JIT=OFF "
 EXTRA_OECMAKE_append_armv6 = " -DENABLE_JIT=OFF "
 EXTRA_OECMAKE_append_armv4 = " -DENABLE_JIT=OFF "
 
-# ARM JIT can build on armv7a, but doesnt' work on runtime, cause
-# displaying problems or ephiphany hang.
-EXTRA_OECMAKE_append_armv7a = " -DENABLE_JIT=OFF "
-
 # binutils 2.25.1 has a bug on aarch64:
 # https://sourceware.org/bugzilla/show_bug.cgi?id=18430
 EXTRA_OECMAKE_append_aarch64 = " -DUSE_LD_GOLD=OFF "
@@ -89,7 +85,18 @@ SECURITY_CFLAGS_append_aarch64 = " -fPIE"
 FILES_${PN} += "${libdir}/webkit2gtk-4.0/injected-bundle/libwebkit2gtkinjectedbundle.so"
 
 # http://errors.yoctoproject.org/Errors/Details/20370/
-ARM_INSTRUCTION_SET = "arm"
+ARM_INSTRUCTION_SET_armv4 = "arm"
+ARM_INSTRUCTION_SET_armv5 = "arm"
+ARM_INSTRUCTION_SET_armv6 = "arm"
+
+# https://bugzilla.yoctoproject.org/show_bug.cgi?id=9474
+# https://bugs.webkit.org/show_bug.cgi?id=159880
+# JSC JIT can build on ARMv7 with -marm, but doesn't work on runtime.
+# Upstream only tests regularly the JSC JIT on ARMv7 with Thumb2 (-mthumb).
+ARM_INSTRUCTION_SET_armv7a = "thumb"
+ARM_INSTRUCTION_SET_armv7r = "thumb"
+ARM_INSTRUCTION_SET_armv7m = "thumb"
+ARM_INSTRUCTION_SET_armv7ve = "thumb"
 
 # Invalid data memory access: 0x00000000
 # ...
-- 
2.1.4