clisp/clisp-ppc64le-alignment.patch
Jerry James 28d75acd55 Add patches to fix more undefined behavior
- Fix misaligned memory accesses on ppc64le
- Fix mismatched readline function declarations
2025-02-14 21:24:49 -07:00

18 lines
1.1 KiB
Diff

Fixes UBSAN errors such as:
../src/spvw_typealloc.d:146:450: runtime error: member access within misaligned address 0x17000000009c for type 'struct s8string_', which requires 8 byte alignment
0x17000000009c: note: pointer points here
53 45 52 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
^
--- src/lispbibl.d.orig 2025-02-07 19:25:44.207789666 -0700
+++ src/lispbibl.d 2025-02-10 11:38:31.029348227 -0700
@@ -6006,7 +6006,7 @@ typedef signed_int_with_n_bits(intVsize)
#if defined(I80386) || defined(POWERPC) || defined(ARM) || defined(S390)
#define varobject_alignment 4
#endif
-#if defined(SPARC) || defined(HPPA) || defined(MIPS) || defined(DECALPHA) || defined(IA64) || defined(AMD64) || defined(ARM64) || defined(RISCV64) || defined(LOONGARCH64)
+#if defined(SPARC) || defined(HPPA) || defined(MIPS) || defined(DECALPHA) || defined(IA64) || defined(AMD64) || defined(ARM64) || defined(RISCV64) || defined(LOONGARCH64) || defined(POWERPC64)
#define varobject_alignment 8
#endif
#if (!defined(TYPECODES) || defined(GENERATIONAL_GC)) && (varobject_alignment < 4)