glibc/SOURCES/glibc-upstream-2.34-279.patch

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2022-11-15 07:04:49 +00:00
commit f6bc52f080e4a0195c707c01f54e2eae0ff89010
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri May 20 19:21:48 2022 -0700
x86-64: Ignore r_addend for R_X86_64_GLOB_DAT/R_X86_64_JUMP_SLOT
According to x86-64 psABI, r_addend should be ignored for R_X86_64_GLOB_DAT
and R_X86_64_JUMP_SLOT. Since linkers always set their r_addends to 0, we
can ignore their r_addends.
Reviewed-by: Fangrui Song <maskray@google.com>
(cherry picked from commit f8587a61892cbafd98ce599131bf4f103466f084)
diff --git a/sysdeps/x86_64/dl-machine.h b/sysdeps/x86_64/dl-machine.h
index 94296719d4d9fb82..742682517179fab5 100644
--- a/sysdeps/x86_64/dl-machine.h
+++ b/sysdeps/x86_64/dl-machine.h
@@ -347,11 +347,13 @@ and creates an unsatisfiable circular dependency.\n",
# endif
/* Set to symbol size plus addend. */
value = sym->st_size;
+ *reloc_addr = value + reloc->r_addend;
+ break;
# endif
- /* Fall through. */
+
case R_X86_64_GLOB_DAT:
case R_X86_64_JUMP_SLOT:
- *reloc_addr = value + reloc->r_addend;
+ *reloc_addr = value;
break;
# ifndef RESOLVE_CONFLICT_FIND_MAP