0.182-2 - Add elfutils-0.182-s390-pid_memory_read.patch

elfutils-0.182-s390-pid_memory_read.patch

@@ -0,0 +1,39 @@
+commit e4d985a3c1c873f77d20fa0cd421458cc2824996
+Author: Andreas Krebbel <krebbel@linux.ibm.com>
+Date:   Thu Nov 19 20:32:24 2020 +0100
+
+    IBM Z: Fix endianess problem in pid_memory_read
+    
+    The cached reads lack the big endian adjustments done in the fallback
+    path.
+    
+    Signed-off-by: Andreas Krebbel <krebbel@linux.ibm.com>
+
+diff --git a/libdwfl/linux-pid-attach.c b/libdwfl/linux-pid-attach.c
+index 3a6af997..b23139d9 100644
+--- a/libdwfl/linux-pid-attach.c
++++ b/libdwfl/linux-pid-attach.c
+@@ -193,14 +193,22 @@ pid_memory_read (Dwfl *dwfl, Dwarf_Addr addr, Dwarf_Word *result, void *arg)
+ {
+   struct __libdwfl_pid_arg *pid_arg = arg;
+   pid_t tid = pid_arg->tid_attached;
++  Dwfl_Process *process = dwfl->process;
+   assert (tid > 0);
+ 
+ #ifdef HAVE_PROCESS_VM_READV
+   if (read_cached_memory (pid_arg, addr, result))
++    {
++#if SIZEOF_LONG == 8
++# if BYTE_ORDER == BIG_ENDIAN
++      if (ebl_get_elfclass (process->ebl) == ELFCLASS32)
++	*result >>= 32;
++# endif
++#endif
+     return true;
++    }
+ #endif
+ 
+-  Dwfl_Process *process = dwfl->process;
+   if (ebl_get_elfclass (process->ebl) == ELFCLASS64)
+     {
+ #if SIZEOF_LONG == 8

elfutils.spec

@@ -1,6 +1,6 @@
 Name: elfutils
 Version: 0.182
-%global baserelease 1
+%global baserelease 2
 Release: %{baserelease}%{?dist}
 URL: http://elfutils.org/
 %global source_url ftp://sourceware.org/pub/elfutils/%{version}/
@@ -60,6 +60,7 @@ BuildRequires: autoconf
 %endif
 
 # Patches
+Patch1: elfutils-0.182-s390-pid_memory_read.patch
 
 %description
 Elfutils is a collection of utilities, including stack (to show
@@ -229,6 +230,7 @@ such servers to download those files on demand.
 %setup -q
 
 # Apply patches
+%patch1 -p1
 
 autoreconf -f -v -i
 
@@ -415,6 +417,9 @@ exit 0
 %systemd_postun_with_restart debuginfod.service
 
 %changelog
+* Thu Dec 17 2020 Mark Wielaard <mjw@fedoraproject.org> - 0.182-2
+- Add elfutils-0.182-s390-pid_memory_read.patch
+
 * Sat Oct 31 2020 Mark Wielaard <mjw@fedoraproject.org> - 0.182-1
 - Upgrade to upstream 0.182
   - backends: Support for tilegx has been removed.