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Bug#966151: marked as done (buster-pu: package libunwind/1.2.1-10~deb10u1)

Your message dated Sat, 01 Aug 2020 12:51:28 +0100
with message-id <43535efb498a168cf81452ca0c326f004f46adc6.camel@adam-barratt.org.uk>
and subject line Closing bugs for fixes included in 10.5 point release
has caused the Debian Bug report #966151,
regarding buster-pu: package libunwind/1.2.1-10~deb10u1
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
966151: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=966151
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: release.debian.org
Severity: normal
Tags: buster
User: release.debian.org@packages.debian.org
Usertags: pu

This unbreaks libunwind on big endian mips, and disables
the C++ exception support on architectures where it was
broken (the latter was most visible on arm64).

diff -Nru libunwind-1.2.1/debian/changelog libunwind-1.2.1/debian/changelog
--- libunwind-1.2.1/debian/changelog	2019-03-01 20:03:05.000000000 +0200
+++ libunwind-1.2.1/debian/changelog	2020-07-23 22:00:53.000000000 +0300
@@ -1,3 +1,19 @@
+libunwind (1.2.1-10~deb10u1) buster; urgency=medium
+
+  * Rebuild on buster.
+
+ -- Adrian Bunk <bunk@debian.org>  Thu, 23 Jul 2020 22:00:53 +0300
+
+libunwind (1.2.1-10) unstable; urgency=high
+
+  * Manually enable C++ exception support only on i386 and amd64,
+    it is known broken on several other architectures.
+    Thanks to Bernhard Übelacker. (Closes: #923962)
+  * Backport upstream fix for segfaults on mips,
+    thanks to Guillaume Tucker. (Closes: #932725)
+
+ -- Adrian Bunk <bunk@debian.org>  Wed, 22 Jul 2020 09:31:48 +0300
+
 libunwind (1.2.1-9) unstable; urgency=medium
 
   * Backport some fixes wanted by julia:
diff -Nru libunwind-1.2.1/debian/patches/0001-tdep_uc_addr-use-4-offset-for-UNW_MIPS_PC-on-MIPS-be.patch libunwind-1.2.1/debian/patches/0001-tdep_uc_addr-use-4-offset-for-UNW_MIPS_PC-on-MIPS-be.patch
--- libunwind-1.2.1/debian/patches/0001-tdep_uc_addr-use-4-offset-for-UNW_MIPS_PC-on-MIPS-be.patch	1970-01-01 02:00:00.000000000 +0200
+++ libunwind-1.2.1/debian/patches/0001-tdep_uc_addr-use-4-offset-for-UNW_MIPS_PC-on-MIPS-be.patch	2020-07-21 21:37:18.000000000 +0300
@@ -0,0 +1,29 @@
+From fd44f596b2dad70acdc81cc76983585f888e045d Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=D0=9A=D0=BE=D1=80=D0=BE=D0=BB=D0=B5=D0=B2=20=D0=A1=D0=B5?=
+ =?UTF-8?q?=D1=80=D0=B3=D0=B5=D0=B9?= <korolev.sergey@gmail.com>
+Date: Wed, 22 Jun 2016 19:53:02 +0300
+Subject: tdep_uc_addr: use +4 offset for UNW_MIPS_PC on MIPS (be)
+
+According to mcontext_t definition its "pc" field
+is also 64 bit wide and thus requires 4 byte offset
+on MIPS32 (be).
+---
+ src/mips/Ginit.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/mips/Ginit.c b/src/mips/Ginit.c
+index 8290c408..83b100fb 100644
+--- a/src/mips/Ginit.c
++++ b/src/mips/Ginit.c
+@@ -59,7 +59,7 @@ tdep_uc_addr (ucontext_t *uc, int reg)
+ {
+   char *addr = uc_addr (uc, reg);
+ 
+-  if (reg >= UNW_MIPS_R0 && reg <= UNW_MIPS_R31
++  if (((reg >= UNW_MIPS_R0 && reg <= UNW_MIPS_R31) || reg == UNW_MIPS_PC)
+       && tdep_big_endian (unw_local_addr_space)
+       && unw_local_addr_space->abi == UNW_MIPS_ABI_O32)
+     addr += 4;
+-- 
+2.20.1
+
diff -Nru libunwind-1.2.1/debian/patches/series libunwind-1.2.1/debian/patches/series
--- libunwind-1.2.1/debian/patches/series	2019-03-01 20:03:05.000000000 +0200
+++ libunwind-1.2.1/debian/patches/series	2020-07-21 21:37:27.000000000 +0300
@@ -9,6 +9,7 @@
 0001-arm-Handle-non-signal-frame-unwind-info-lookup-in-AR.patch
 0001-dwarf-Allow-DWARF-version-both-3-and-4-56.patch
 0001-aarch64-Use-__asm__-instead-of-asm-89.patch
+0001-tdep_uc_addr-use-4-offset-for-UNW_MIPS_PC-on-MIPS-be.patch
 
 # ia64
 libunwind-1.2-coredump-regs.patch
diff -Nru libunwind-1.2.1/debian/rules libunwind-1.2.1/debian/rules
--- libunwind-1.2.1/debian/rules	2018-04-10 20:03:57.000000000 +0300
+++ libunwind-1.2.1/debian/rules	2020-07-22 09:31:48.000000000 +0300
@@ -6,6 +6,10 @@
 
 export DEB_BUILD_MAINT_OPTIONS = hardening=-all,+format
 
+ifneq (,$(filter $(DEB_HOST_ARCH), amd64 i386))
+  CXX_EXCEPTIONS=--enable-cxx-exceptions
+endif
+
 %:
 	dh $@
 
@@ -20,7 +24,7 @@
 	sed 's/@DEB_HOST_MULTIARCH@/$(DEB_HOST_MULTIARCH)/g' $< > $@
 
 override_dh_auto_configure:
-	dh_auto_configure -- --with-pic --enable-cxx-exceptions --includedir=\$${prefix}/include/$(DEB_HOST_MULTIARCH)
+	dh_auto_configure -- --with-pic $(CXX_EXCEPTIONS) --includedir=\$${prefix}/include/$(DEB_HOST_MULTIARCH)
 
 override_dh_install:
 	dh_install

--- End Message ---
--- Begin Message --- 
Package: release.debian.org
Version: 10.5

Hi,

Each of these bugs relates to an update that was included in today's
stable point release.

Regards,

Adam

--- End Message ---
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