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xulrunner
mozilla-sle11.patch
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File mozilla-sle11.patch of Package xulrunner
Subject: Patches needed to build on SLE11/11.1 References: https://bugzilla.mozilla.org/show_bug.cgi?id=513422 diff --git a/xpcom/glue/SSE.cpp b/xpcom/glue/SSE.cpp --- a/xpcom/glue/SSE.cpp +++ b/xpcom/glue/SSE.cpp @@ -44,26 +44,77 @@ 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, ®s[0], ®s[1], ®s[2], ®s[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) && _MSC_VER >= 1400 && (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 };
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