File mozilla-sle11.patch of Package MozillaFirefox.117

Overview Repositories Revisions Requests Users Attributes Meta

File mozilla-sle11.patch of Package MozillaFirefox.117

Subject: Patches needed to build on SLE11/11.1
References:
https://bugzilla.mozilla.org/show_bug.cgi?id=513422

diff --git a/mozglue/build/SSE.cpp b/mozglue/build/SSE.cpp
--- a/mozglue/build/SSE.cpp
+++ b/mozglue/build/SSE.cpp
@@ -12,26 +12,77 @@ namespace {
 // SSE.h has parallel #ifs which declare MOZILLA_SSE_HAVE_CPUID_DETECTION.
 // We can't declare these functions in the header file, however, because
 // <intrin.h> conflicts with <windows.h> on MSVC 2005, and some files want to
 // include both SSE.h and <windows.h>.
 
 #ifdef HAVE_CPUID_H
 
 // cpuid.h is available on gcc 4.3 and higher on i386 and x86_64
-#include <cpuid.h>
+//#include <cpuid.h>
 
 enum CPUIDRegister { eax = 0, ebx = 1, ecx = 2, edx = 3 };
 
+#ifdef __i386__
+#define _my_cpuid(level, a, b, c, d)                    \
+  __asm__ ("xchg{l}\t{%%}ebx, %1\n\t"                   \
+           "cpuid\n\t"                                  \
+           "xchg{l}\t{%%}ebx, %1\n\t"                   \
+           : "=a" (a), "=r" (b), "=c" (c), "=d" (d)     \
+           : "0" (level))
+#else
+#define _my_cpuid(level, a, b, c, d)                    \
+  __asm__ ("cpuid\n\t"                                  \
+           : "=a" (a), "=b" (b), "=c" (c), "=d" (d)     \
+           : "0" (level))
+#endif
+
+static __inline unsigned int
+my_cpuid_max (unsigned int __ext, unsigned int *__sig)
+{
+  unsigned int __eax, __ebx, __ecx, __edx;
+
+#ifdef __i386__
+  __asm__ ("pushf{l|d}\n\t"
+           "pushf{l|d}\n\t"
+           "pop{l}\t%0\n\t"
+           "mov{l}\t{%0, %1|%1, %0}\n\t"
+           "xor{l}\t{%2, %0|%0, %2}\n\t"
+           "push{l}\t%0\n\t"
+           "popf{l|d}\n\t"
+           "pushf{l|d}\n\t"
+           "pop{l}\t%0\n\t"
+           "popf{l|d}\n\t"
+           : "=&r" (__eax), "=&r" (__ebx)
+           : "i" (0x00200000));
+
+  if (!((__eax ^ __ebx) & 0x00200000))
+    return 0;
+#endif
+
+  /* Host supports cpuid.  Return highest supported cpuid input value.  */
+  _my_cpuid (__ext, __eax, __ebx, __ecx, __edx);
+
+  if (__sig)
+    *__sig = __ebx;
+
+  return __eax;
+}
+
 static bool
 has_cpuid_bit(unsigned int level, CPUIDRegister reg, unsigned int bit)
 {
   unsigned int regs[4];
-  return __get_cpuid(level, &regs[0], &regs[1], &regs[2], &regs[3]) &&
-         (regs[reg] & bit);
+
+  unsigned int __ext = level & 0x80000000;
+  if (my_cpuid_max(__ext, 0) < level)
+    return false;
+
+  _my_cpuid(level, regs[0], regs[1], regs[2], regs[3]);
+  return !!(unsigned(regs[reg]) & bit);
 }
 
 #elif defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_AMD64))
 
 // MSVC 2005 or newer on x86-32 or x86-64
 #include <intrin.h>
 
 enum CPUIDRegister { eax = 0, ebx = 1, ecx = 2, edx = 3 };

Places

File mozilla-sle11.patch of Package MozillaFirefox.117

Places