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73ac45108a
Patch (from https://bugreports.qt.io/browse/QTCREATORBUG-8107) to allow botan to build on arm.
95 lines
2.6 KiB
Diff
95 lines
2.6 KiB
Diff
From c6d02dba2911d93e2379cfb5e550b93558dd51bf Mon Sep 17 00:00:00 2001
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From: Greg Nietsky <gregory@distrotech.co.za>
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Date: Tue, 4 Mar 2014 11:33:40 +0200
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Subject: [PATCH] Fix: Allow qt-creator to build on arm aarch32 and aarch64
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Botan is imported hardwired for x86 this small patch allows it
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too operate on arm other platforms could be added.
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Task-number: QTCREATORBUG-8107
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Change-Id: Iddea28f21c9fa1afd2fdd5d16a44e6c96a516a7a
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---
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src/libs/3rdparty/botan/botan.cpp | 16 +++++++++++++++-
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src/libs/3rdparty/botan/botan.h | 2 ++
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2 files changed, 17 insertions(+), 1 deletion(-)
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diff --git a/src/libs/3rdparty/botan/botan.cpp b/src/libs/3rdparty/botan/botan.cpp
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index 917c385..4364a2e 100644
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--- a/src/libs/3rdparty/botan/botan.cpp
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+++ b/src/libs/3rdparty/botan/botan.cpp
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@@ -1101,6 +1101,8 @@ class Montgomery_Exponentiator : public Modular_Exponentiator
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#if (BOTAN_MP_WORD_BITS != 32)
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#error The mp_x86_32 module requires that BOTAN_MP_WORD_BITS == 32
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+#elif !defined(BOTAN_TARGET_CPU_IS_X86_FAMILY)
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+typedef Botan::u64bit dword;
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#endif
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#ifdef Q_OS_UNIX
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@@ -1118,6 +1120,7 @@ extern "C" {
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*/
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inline word word_madd2(word a, word b, word* c)
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{
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+#if defined(BOTAN_TARGET_CPU_IS_X86_FAMILY)
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asm(
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ASM("mull %[b]")
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ASM("addl %[c],%[a]")
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@@ -1127,6 +1130,11 @@ inline word word_madd2(word a, word b, word* c)
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: "0"(a), "1"(b), [c]"g"(*c) : "cc");
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return a;
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+#else
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+ dword z = (dword)a * b + *c;
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+ *c = (word)(z >> BOTAN_MP_WORD_BITS);
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+ return (word)z;
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+#endif
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}
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/*
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@@ -1134,6 +1142,7 @@ inline word word_madd2(word a, word b, word* c)
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*/
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inline word word_madd3(word a, word b, word c, word* d)
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{
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+#if defined(BOTAN_TARGET_CPU_IS_X86_FAMILY)
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asm(
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ASM("mull %[b]")
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@@ -1147,6 +1156,11 @@ inline word word_madd3(word a, word b, word c, word* d)
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: "0"(a), "1"(b), [c]"g"(c), [d]"g"(*d) : "cc");
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return a;
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+#else
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+ dword z = (dword)a * b + c + *d;
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+ *d = (word)(z >> BOTAN_MP_WORD_BITS);
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+ return (word)z;
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+#endif
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}
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}
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@@ -2315,7 +2329,7 @@ namespace Botan {
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extern "C" {
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-#ifdef Q_OS_UNIX
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+#if defined(Q_OS_UNIX) && defined(BOTAN_TARGET_CPU_IS_X86_FAMILY)
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/*
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* Helper Macros for x86 Assembly
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*/
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diff --git a/src/libs/3rdparty/botan/botan.h b/src/libs/3rdparty/botan/botan.h
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index 6a9cbe0..3bfdbc2 100644
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--- a/src/libs/3rdparty/botan/botan.h
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+++ b/src/libs/3rdparty/botan/botan.h
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@@ -81,7 +81,9 @@
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#endif
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#define BOTAN_TARGET_CPU_IS_LITTLE_ENDIAN
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+#if !defined(__arm__) && !defined(__aarch64__)
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#define BOTAN_TARGET_CPU_IS_X86_FAMILY
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+#endif
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#define BOTAN_TARGET_UNALIGNED_MEMORY_ACCESS_OK 1
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#if defined(BOTAN_TARGET_CPU_IS_LITTLE_ENDIAN) || \
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--
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2.3.0
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