From e49c817d432fcb9a8a7ab985cf052e0dfcdd4c00 Mon Sep 17 00:00:00 2001
From: "A. Wilcox" <AWilcox@Wilcox-Tech.com>
Date: Sat, 5 Jan 2019 14:16:27 +0000
Subject: user/valgrind: fix realloc issue

---
 user/valgrind/realloc.patch | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 user/valgrind/realloc.patch

(limited to 'user/valgrind/realloc.patch')

diff --git a/user/valgrind/realloc.patch b/user/valgrind/realloc.patch
new file mode 100644
index 000000000..d0eb795b8
--- /dev/null
+++ b/user/valgrind/realloc.patch
@@ -0,0 +1,24 @@
+--- valgrind-3.13.0/coregrind/m_replacemalloc/vg_replace_malloc.c
++++ valgrind-3.13.0/coregrind/m_replacemalloc/vg_replace_malloc.c
+@@ -765,13 +765,15 @@ static void init(void);
+       DO_INIT; \
+       MALLOC_TRACE("realloc(%p,%llu)", ptrV, (ULong)new_size ); \
+       \
+-      if (ptrV == NULL) \
+-         /* We need to call a malloc-like function; so let's use \
+-            one which we know exists. */ \
+-         return VG_REPLACE_FUNCTION_EZU(10010,VG_Z_LIBC_SONAME,malloc) \
+-                   (new_size); \
++      if (ptrV == NULL) { \
++         TRIGGER_MEMCHECK_ERROR_IF_UNDEFINED(new_size); \
++         v = (void*)VALGRIND_NON_SIMD_CALL1( info.tl_malloc, new_size ); \
++         MALLOC_TRACE(" = %p\n", v ); \
++         return v; \
++      } \
+       if (new_size <= 0) { \
+-         VG_REPLACE_FUNCTION_EZU(10050,VG_Z_LIBC_SONAME,free)(ptrV); \
++         if (ptrV != NULL)  \
++            VALGRIND_NON_SIMD_CALL1( info.tl_free, ptrV ); \
+          MALLOC_TRACE(" = 0\n"); \
+          return NULL; \
+       } \
-- 
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