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Diffstat (limited to 'dev-libs/botan/files/botan-1.8.8-use_negative_lea_displacement.patch')
-rw-r--r--dev-libs/botan/files/botan-1.8.8-use_negative_lea_displacement.patch29
1 files changed, 29 insertions, 0 deletions
diff --git a/dev-libs/botan/files/botan-1.8.8-use_negative_lea_displacement.patch b/dev-libs/botan/files/botan-1.8.8-use_negative_lea_displacement.patch
new file mode 100644
index 000000000000..50faa56bdca3
--- /dev/null
+++ b/dev-libs/botan/files/botan-1.8.8-use_negative_lea_displacement.patch
@@ -0,0 +1,29 @@
+#
+# old_revision [a101c8c86b755a666c72baf03154230e09e0667e]
+#
+# patch "src/hash/sha1_amd64/sha1_amd64_imp.S"
+# from [dd263db10309950dec501dd9257a8df43cf6c6aa]
+# to [ab1db7a394b41a1d3b9a63a6e8e1571e4671b962]
+#
+============================================================
+--- src/hash/sha1_amd64/sha1_amd64_imp.S dd263db10309950dec501dd9257a8df43cf6c6aa
++++ src/hash/sha1_amd64/sha1_amd64_imp.S ab1db7a394b41a1d3b9a63a6e8e1571e4671b962
+@@ -103,10 +103,16 @@ ALIGN;
+
+ subq $320, W
+
++/*
++* Using negative values for SHA-1 constants > 2^31 to work around
++* a bug in binutils not accepting large lea displacements.
++* -0x70E44324 == 0x8F1BBCDC
++* -0x359D3E2A == 0xCA62C1D6
++*/
+ #define MAGIC1 0x5A827999
+ #define MAGIC2 0x6ED9EBA1
+-#define MAGIC3 0x8F1BBCDC
+-#define MAGIC4 0xCA62C1D6
++#define MAGIC3 -0x70E44324
++#define MAGIC4 -0x359D3E2A
+
+ #define T %esi
+ #define T2 %eax