Accepting request 738187 from home:Guillaume_G:branches:openSUSE:Factory:ARM

- Workaround aarch64 bug (boo#1153573) with upstream patch
  https://github.com/libffi/libffi/pull/499 updated to apply
  on current sources (upstream will probably rework this patch
  so we need to monitor the issue for the proper fix):
  * aarch64.patch

OBS-URL: https://build.opensuse.org/request/show/738187
OBS-URL: https://build.opensuse.org/package/show/devel:libraries:c_c++/libffi?expand=0&rev=17

aarch64.patch

@@ -0,0 +1,25 @@
+diff -purN libffi-3.2.1.git505.orig/src/aarch64/ffi.c libffi-3.2.1.git505/src/aarch64/ffi.c
+--- libffi-3.2.1.git505.orig/src/aarch64/ffi.c	2019-08-07 20:57:45.000000000 +0200
++++ libffi-3.2.1.git505/src/aarch64/ffi.c	2019-10-11 08:45:42.702088832 +0200
+@@ -815,7 +815,8 @@ ffi_prep_closure_loc (ffi_closure *closu
+   #else
+   unsigned char *tramp_code = ffi_data_to_code_pointer (tramp);
+   #endif
+-  ffi_clear_cache (tramp_code, tramp_code + FFI_TRAMPOLINE_SIZE);
++  if (tramp_code != NULL)
++    ffi_clear_cache (tramp_code, tramp_code + FFI_TRAMPOLINE_SIZE);
+ #endif
+ 
+   closure->cif = cif;
+diff -purN libffi-3.2.1.git505.orig/src/closures.c libffi-3.2.1.git505/src/closures.c
+--- libffi-3.2.1.git505.orig/src/closures.c	2019-08-07 20:57:45.000000000 +0200
++++ libffi-3.2.1.git505/src/closures.c	2019-10-11 08:43:59.265151289 +0200
+@@ -925,6 +925,8 @@ void *
+ ffi_data_to_code_pointer (void *data)
+ {
+   msegmentptr seg = segment_holding (gm, data);
++  if (seg == NULL)
++    return NULL;
+   return add_segment_exec_offset (data, seg);
+ }
+ 

libffi.changes

@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Fri Oct 11 07:27:45 UTC 2019 - Guillaume GARDET <guillaume.gardet@opensuse.org>
+
+- Workaround aarch64 bug (boo#1153573) with upstream patch
+  https://github.com/libffi/libffi/pull/499 updated to apply
+  on current sources (upstream will probably rework this patch
+  so we need to monitor the issue for the proper fix):
+  * aarch64.patch
+
 -------------------------------------------------------------------
 Wed Sep 18 09:39:07 UTC 2019 - Andreas Schwab <schwab@suse.de>
 

libffi.spec

@@ -29,6 +29,8 @@ Source:         %name-%version.tar.xz
 Source99:       baselibs.conf
 Patch1:         gccbug.patch
 Patch2:         stdcall.patch
+# Workaround from https://github.com/libffi/libffi/issues/498
+Patch3:         aarch64.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  autoconf
 BuildRequires:  automake
@@ -82,6 +84,7 @@ time.
 %setup -q
 %patch1 -p1
 %patch2 -p1
+%patch3 -p1
 
 %build
 ./autogen.sh