From df0d047ed5409dc653417a2ccd560908f580488f Mon Sep 17 00:00:00 2001
From: Funda Wang <fundawang@yeah.net>
Date: Mon, 4 Nov 2024 22:01:56 +0800
Subject: [PATCH] Handle DT_MIPS_RLD_MAP_REL on MIPS (debian bug#820335)

---
 chrpath-fix-mips-segfault.patch | 31 +++++++++++++++++++++++++++++++
 chrpath.spec                    |  7 ++++++-
 2 files changed, 37 insertions(+), 1 deletion(-)
 create mode 100644 chrpath-fix-mips-segfault.patch

diff --git a/chrpath-fix-mips-segfault.patch b/chrpath-fix-mips-segfault.patch
new file mode 100644
index 0000000..c9239b7
--- /dev/null
+++ b/chrpath-fix-mips-segfault.patch
@@ -0,0 +1,31 @@
+--- chrpath-0.18.orig/killrpath.c
++++ chrpath-0.18/killrpath.c
+@@ -78,10 +78,26 @@
+    dynpos = 0;
+    for (i = 0; DYNSS(i, d_tag) != DT_NULL; i++)
+      {
+-       if (is_e32())
++       if (is_e32()) {
+         ((Elf32_Dyn *)dyns)[dynpos] = ((Elf32_Dyn *)dyns)[i];
+-       else
++#ifdef DT_MIPS_RLD_MAP_REL
++        /* DT_MIPS_RLD_MAP_REL is relative to the offset of the tag.
++           Adjust it consequently.  */
++        if (DYNSS(i, d_tag) == DT_MIPS_RLD_MAP_REL)
++         ((Elf32_Dyn *)dyns)[dynpos].d_un.d_val =
++          DO_SWAPU32(DYNSU(i, d_un.d_val) +
++          (i - dynpos) * sizeof(Elf32_Dyn));
++#endif
++       } else {
+         ((Elf64_Dyn *)dyns)[dynpos] = ((Elf64_Dyn *)dyns)[i];
++#ifdef DT_MIPS_RLD_MAP_REL
++        /* Ditto */
++        if (DYNSS(i, d_tag) == DT_MIPS_RLD_MAP_REL)
++         ((Elf64_Dyn *)dyns)[dynpos].d_un.d_val =
++          DO_SWAPU64(DYNSU(i, d_un.d_val) +
++          (i - dynpos) * sizeof(Elf64_Dyn));
++#endif
++       }
+        if ( ! elf_dynpath_tag(DYNSS(i, d_tag)) )
+         dynpos++;
+      }
diff --git a/chrpath.spec b/chrpath.spec
index ad24e0d..674e0c1 100644
--- a/chrpath.spec
+++ b/chrpath.spec
@@ -1,10 +1,12 @@
 Name:          chrpath
 Version:       0.18
-Release:       1
+Release:       2
 Summary:       Modify the dynamic library load path (rpath) of compiled programs
 License:       GPL-2.0-or-later
 URL:           https://codeberg.org/pere/chrpath
 Source0:       https://codeberg.org/pere/chrpath/archive/release-%{version}.tar.gz
+# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=820335
+Patch6001:     chrpath-fix-mips-segfault.patch
 
 BuildRequires: gcc make
 BuildRequires: autoconf automake libtool
@@ -40,6 +42,9 @@ rm -rf %{buildroot}/usr/doc
 %{_mandir}/man1/chrpath.1*
 
 %changelog
+* Mon Nov 04 2024 Funda Wang <fundawang@yeah.net> - 0.18-2
+- Handle DT_MIPS_RLD_MAP_REL on MIPS (debian bug#820335)
+
 * Sun Nov 03 2024 Funda Wang <fundawang@yeah.net> - 0.18-1
 - Change to latest native branch comes with debian
 
-- 
Gitee