[gentoo-commits] gentoo-x86 commit in dev-libs/botan/files: botan-1.8.8-use_negative_lea_displacement.patch

[Arfrever Frehtes Taifersar Arahesis (arfrever)]

arfrever    09/11/04 12:24:25

  Added:                botan-1.8.8-use_negative_lea_displacement.patch
  Log:
  Fix building with sys-devel/binutils-2.20.51.0.2 (bug #291785).
  (Portage version: 14775-svn/cvs/Linux x86_64)

Revision  Changes    Path
1.1                  dev-libs/botan/files/botan-1.8.8-use_negative_lea_displacement.patch

file : http://sources.gentoo.org/viewcvs.py/gentoo-x86/dev-libs/botan/files/botan-1.8.8-use_negative_lea_displacement.patch?rev=1.1&view=markup
plain: http://sources.gentoo.org/viewcvs.py/gentoo-x86/dev-libs/botan/files/botan-1.8.8-use_negative_lea_displacement.patch?rev=1.1&content-type=text/plain

Index: botan-1.8.8-use_negative_lea_displacement.patch
===================================================================
#
# 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