chrpath/chrpath-fix-mips-segfault.patch
Funda Wang aedf7568d5 Handle DT_MIPS_RLD_MAP_REL on MIPS (debian bug#820335)
(cherry picked from commit 48fee88e9e2bb13ae38bb4274fe91c31d5c9fc3c)
2024-11-05 14:44:27 +08:00

32 lines
1.0 KiB
Diff

--- 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++;
}