From 5668edb1e7b4210adc381c847487861765486cf9 Mon Sep 17 00:00:00 2001
From: Simon Ruderich <simon@ruderich.org>
Date: Wed, 28 Feb 2024 10:50:32 +0100
Subject: [PATCH] Sync architecture specific hardening support with dpkg 1.22.5

---
 bin/blhc                                 | 11 ++++++-----
 t/logs/arch-ia64                         |  4 +---
 t/logs/buildd-gcc-pie-builtin-wrong-arch |  2 +-
 t/tests.t                                |  7 ++-----
 4 files changed, 10 insertions(+), 14 deletions(-)

diff --git a/bin/blhc b/bin/blhc
index 26826f0..9040a08 100755
--- a/bin/blhc
+++ b/bin/blhc
@@ -1195,6 +1195,7 @@ foreach my $file (@ARGV) {
             i386
             kfreebsd-amd64
             kfreebsd-i386
+            loong64
             mips
             mips64
             mips64el
@@ -1217,7 +1218,11 @@ foreach my $file (@ARGV) {
         );
 
         # Disable unsupported hardening options.
-        if ($os !~ /^(?:linux|kfreebsd|knetbsd|hurd)$/ or $cpu eq 'hppa') {
+        if ($disable_harden_pie and exists $builtin_pie_arch{$arch}) {
+            $harden_pie = 0;
+        }
+        if ($os !~ /^(?:linux|kfreebsd|hurd)$/
+                or $cpu =~ /^(?:alpha|hppa|ia64)$/) {
             $harden_pie = 0;
         }
         if ($cpu =~ /^(?:ia64|alpha|hppa|nios2)$/ or $arch eq 'arm') {
@@ -1228,10 +1233,6 @@ foreach my $file (@ARGV) {
             $harden_relro   = 0;
             $harden_bindnow = 0;
         }
-
-        if ($disable_harden_pie and exists $builtin_pie_arch{$arch}) {
-            $harden_pie = 0;
-        }
     }
 
     # Default values.
diff --git a/t/logs/arch-ia64 b/t/logs/arch-ia64
index 173fe4d..07d0c7e 100644
--- a/t/logs/arch-ia64
+++ b/t/logs/arch-ia64
@@ -1,11 +1,9 @@
 dpkg-buildpackage: source package test
 dpkg-buildpackage: host architecture ia64
 
-# no stack protector and no relro,bindnow
+# no stack protector and no relro,bindnow and no pie
 
 gcc -D_FORTIFY_SOURCE=2 -g -O2 -fPIE -Wformat -Wformat-security -Werror=format-security -Wall -c test.c
 gcc -fPIE -pie -o test test.o
-
-# missing flags
 gcc -D_FORTIFY_SOURCE=2 -g -O2 -Wformat -Wformat-security -Werror=format-security -Wall -c test.c
 gcc -fPIE -o test test.o
diff --git a/t/logs/buildd-gcc-pie-builtin-wrong-arch b/t/logs/buildd-gcc-pie-builtin-wrong-arch
index af5d4fc..7d97cbb 100644
--- a/t/logs/buildd-gcc-pie-builtin-wrong-arch
+++ b/t/logs/buildd-gcc-pie-builtin-wrong-arch
@@ -1,5 +1,5 @@
 Toolchain package versions: ... dpkg-dev_1.18.15 ...
 dpkg-buildpackage: source package foo package
-dpkg-buildpackage: host architecture ia64
+dpkg-buildpackage: host architecture m68k
 
 gcc -g -O2 -D_FORTIFY_SOURCE=2 -Wl,-z,relro -Wl,-z,now -fstack-protector-strong -Wformat -Werror=format-security -o test test.c
diff --git a/t/tests.t b/t/tests.t
index 4216c35..2314abf 100644
--- a/t/tests.t
+++ b/t/tests.t
@@ -905,11 +905,8 @@ LDFLAGS missing (-pie): gcc -fPIE -Wl,-z,relro -Wl,-z,now -o test test.o
 is_blhc 'arch-i386', '', 8,
         $arch_i386;
 
-my $arch_ia64 =
-        'CFLAGS missing (-fPIE): gcc -D_FORTIFY_SOURCE=2 -g -O2 -Wformat -Wformat-security -Werror=format-security -Wall -c test.c
-LDFLAGS missing (-pie): gcc -fPIE -o test test.o
-';
-is_blhc 'arch-ia64', '', 8,
+my $arch_ia64 = '';
+is_blhc 'arch-ia64', '', 0,
         $arch_ia64;
 
 is_blhc 'arch-ia64', '--arch i386', 8,
-- 
2.45.2