Commit e2c756fc authored by Brad King's avatar Brad King

Merge branch 'upstream-kwsys' into update-kwsys

parents 6f57a904 4ba0ac7b
......@@ -574,6 +574,8 @@ IF(KWSYS_USE_SystemTools)
ENDIF()
IF(KWSYS_USE_SystemInformation)
SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
COMPILE_DEFINITIONS SIZEOF_VOID_P=${CMAKE_SIZEOF_VOID_P})
IF(NOT CYGWIN)
INCLUDE(CheckIncludeFiles)
CHECK_INCLUDE_FILES("sys/types.h;ifaddrs.h" KWSYS_SYS_HAS_IFADDRS_H)
......@@ -638,6 +640,20 @@ IF(KWSYS_USE_SystemInformation)
SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
COMPILE_DEFINITIONS KWSYS_CXX_HAS__ATOI64=1)
ENDIF()
IF(BORLAND)
KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_BORLAND_ASM
"Checking whether Borland CXX compiler supports assembler instructions" DIRECT)
IF(KWSYS_CXX_HAS_BORLAND_ASM)
SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
COMPILE_DEFINITIONS KWSYS_CXX_HAS_BORLAND_ASM=1)
KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_BORLAND_ASM_CPUID
"Checking whether Borland CXX compiler supports CPUID assembler instruction" DIRECT)
IF(KWSYS_CXX_HAS_BORLAND_ASM_CPUID)
SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
COMPILE_DEFINITIONS KWSYS_CXX_HAS_BORLAND_ASM_CPUID=1)
ENDIF()
ENDIF()
ENDIF()
IF(KWSYS_USE___INT64)
SET_PROPERTY(SOURCE SystemInformation.cxx testSystemInformation.cxx APPEND PROPERTY
COMPILE_DEFINITIONS KWSYS_USE___INT64=1)
......
......@@ -418,9 +418,10 @@ int kwsysProcess_AddCommand(kwsysProcess* cp, char const* const* command)
parse it. */
newCommands[cp->NumberOfCommands] =
kwsysSystem_Parse_CommandForUnix(*command, 0);
if(!newCommands[cp->NumberOfCommands])
if(!newCommands[cp->NumberOfCommands] ||
!newCommands[cp->NumberOfCommands][0])
{
/* Out of memory. */
/* Out of memory or no command parsed. */
free(newCommands);
return 0;
}
......
......@@ -202,7 +202,7 @@ typedef struct rlimit ResourceLimitType;
#define USE_CPUID_INTRINSICS 0
#endif
#if USE_ASM_INSTRUCTIONS || USE_CPUID_INTRINSICS
#if USE_ASM_INSTRUCTIONS || USE_CPUID_INTRINSICS || defined(KWSYS_CXX_HAS_BORLAND_ASM_CPUID)
# define USE_CPUID 1
#else
# define USE_CPUID 0
......@@ -224,6 +224,7 @@ static bool call_cpuid(int select, int result[4])
return true;
#else
int tmp[4];
#if defined(_MSC_VER)
// Use SEH to determine CPUID presence
__try {
_asm {
......@@ -262,7 +263,24 @@ static bool call_cpuid(int select, int result[4])
return false;
}
memcpy(result, tmp, sizeof(tmp));
memcpy(result, tmp, sizeof(tmp));
#elif defined(KWSYS_CXX_HAS_BORLAND_ASM_CPUID)
unsigned int a, b, c, d;
__asm {
mov EAX, select;
cpuid
mov a, EAX;
mov b, EBX;
mov c, ECX;
mov d, EDX;
}
result[0] = a;
result[1] = b;
result[2] = c;
result[3] = d;
#endif
// The cpuid instruction succeeded.
return true;
#endif
......@@ -432,7 +450,7 @@ protected:
int CPUCount();
unsigned char LogicalCPUPerPhysicalCPU();
unsigned char GetAPICId();
unsigned int IsHyperThreadingSupported();
bool IsHyperThreadingSupported();
static LongLong GetCyclesDifference(DELAY_FUNC, unsigned int);
// For Linux and Cygwin, /proc/cpuinfo formats are slightly different
......@@ -456,7 +474,8 @@ protected:
kwsys_stl::string SysCtlBuffer;
// For Solaris
bool QuerySolarisInfo();
bool QuerySolarisMemory();
bool QuerySolarisProcessor();
kwsys_stl::string ParseValueFromKStat(const char* arguments);
kwsys_stl::string RunProcess(kwsys_stl::vector<const char*> args);
......@@ -481,9 +500,11 @@ protected:
//For AIX
bool QueryAIXMemory();
bool QueryProcessorBySysconf();
bool QueryProcessor();
// Evaluate the memory information.
bool QueryMemoryBySysconf();
bool QueryMemory();
size_t TotalVirtualMemory;
size_t AvailableVirtualMemory;
......@@ -1287,7 +1308,7 @@ void SystemInformationImplementation::RunCPUCheck()
#elif defined(__APPLE__)
this->ParseSysCtl();
#elif defined (__SVR4) && defined (__sun)
this->QuerySolarisInfo();
this->QuerySolarisProcessor();
#elif defined(__HAIKU__)
this->QueryHaikuInfo();
#elif defined(__QNX__)
......@@ -1313,7 +1334,7 @@ void SystemInformationImplementation::RunMemoryCheck()
#if defined(__APPLE__)
this->ParseSysCtl();
#elif defined (__SVR4) && defined (__sun)
this->QuerySolarisInfo();
this->QuerySolarisMemory();
#elif defined(__HAIKU__)
this->QueryHaikuInfo();
#elif defined(__QNX__)
......@@ -3016,7 +3037,7 @@ bool SystemInformationImplementation::RetreiveInformationFromCpuInfoFile()
return true;
}
bool SystemInformationImplementation::QueryProcessor()
bool SystemInformationImplementation::QueryProcessorBySysconf()
{
#if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN)
// IRIX names this slightly different
......@@ -3039,6 +3060,11 @@ bool SystemInformationImplementation::QueryProcessor()
#endif
}
bool SystemInformationImplementation::QueryProcessor()
{
return this->QueryProcessorBySysconf();
}
/**
Get total system RAM in units of KiB.
*/
......@@ -3559,8 +3585,7 @@ bool SystemInformationImplementation::QueryAIXMemory()
#endif
}
/** Query for the memory status */
bool SystemInformationImplementation::QueryMemory()
bool SystemInformationImplementation::QueryMemoryBySysconf()
{
#if defined(_SC_PHYS_PAGES) && defined(_SC_PAGESIZE)
// Assume the mmap() granularity as returned by _SC_PAGESIZE is also
......@@ -3597,6 +3622,12 @@ bool SystemInformationImplementation::QueryMemory()
#endif
}
/** Query for the memory status */
bool SystemInformationImplementation::QueryMemory()
{
return this->QueryMemoryBySysconf();
}
/** */
size_t SystemInformationImplementation::GetTotalVirtualMemory()
{
......@@ -3729,8 +3760,13 @@ unsigned char SystemInformationImplementation::LogicalCPUPerPhysicalCPU(void)
/** Works only for windows */
unsigned int SystemInformationImplementation::IsHyperThreadingSupported()
bool SystemInformationImplementation::IsHyperThreadingSupported()
{
if (this->Features.ExtendedFeatures.SupportsHyperthreading)
{
return true;
}
#if USE_CPUID
int Regs[4] = { 0, 0, 0, 0 },
VendorId[4] = { 0, 0, 0, 0 };
......@@ -3748,13 +3784,15 @@ unsigned int SystemInformationImplementation::IsHyperThreadingSupported()
if (((Regs[0] & FAMILY_ID) == PENTIUM4_ID) || (Regs[0] & EXT_FAMILY_ID))
{
if (VendorId[1] == 'uneG')
if (VendorId[1] == 0x756e6547) // 'uneG'
{
if (VendorId[3] == 'Ieni')
if (VendorId[3] == 0x49656e69) // 'Ieni'
{
if (VendorId[2] == 'letn')
if (VendorId[2] == 0x6c65746e) // 'letn'
{
return(Regs[3] & HT_BIT); // Genuine Intel with hyper-Threading technology
// Genuine Intel with hyper-Threading technology
this->Features.ExtendedFeatures.SupportsHyperthreading = ((Regs[3] & HT_BIT) != 0);
return this->Features.ExtendedFeatures.SupportsHyperthreading;
}
}
}
......@@ -4251,16 +4289,40 @@ kwsys_stl::string SystemInformationImplementation::ParseValueFromKStat(const cha
return value;
}
/** Querying for system information from Solaris */
bool SystemInformationImplementation::QuerySolarisInfo()
bool SystemInformationImplementation::QuerySolarisMemory()
{
// Parse values
this->NumberOfPhysicalCPU = static_cast<unsigned int>(
atoi(this->ParseValueFromKStat("-n syste_misc -s ncpus").c_str()));
this->NumberOfLogicalCPU = this->NumberOfPhysicalCPU;
this->Features.ExtendedFeatures.LogicalProcessorsPerPhysical = 1;
#if defined (__SVR4) && defined (__sun)
// Solaris allows querying this value by sysconf, but if this is
// a 32 bit process on a 64 bit host the returned memory will be
// limited to 4GiB. So if this is a 32 bit process or if the sysconf
// method fails use the kstat interface.
#if SIZEOF_VOID_P == 8
if (this->QueryMemoryBySysconf())
{
return true;
}
#endif
char* tail;
unsigned long totalMemory =
strtoul(this->ParseValueFromKStat("-s physmem").c_str(),&tail,0);
this->TotalPhysicalMemory = totalMemory/128;
return true;
#else
return false;
#endif
}
bool SystemInformationImplementation::QuerySolarisProcessor()
{
if (!this->QueryProcessorBySysconf())
{
return false;
}
// Parse values
this->CPUSpeedInMHz = static_cast<float>(atoi(this->ParseValueFromKStat("-s clock_MHz").c_str()));
// Chip family
......@@ -4277,20 +4339,6 @@ bool SystemInformationImplementation::QuerySolarisInfo()
this->FindManufacturer();
}
// Cache size
this->Features.L1CacheSize = 0;
this->Features.L2CacheSize = 0;
char* tail;
unsigned long totalMemory =
strtoul(this->ParseValueFromKStat("-s physmem").c_str(),&tail,0);
this->TotalPhysicalMemory = totalMemory/128;
// Undefined values (for now at least)
this->TotalVirtualMemory = 0;
this->AvailablePhysicalMemory = 0;
this->AvailableVirtualMemory = 0;
return true;
}
......
......@@ -580,3 +580,30 @@ int main()
}
}
#endif
#ifdef TEST_KWSYS_CXX_HAS_BORLAND_ASM
int main()
{
int a = 1;
__asm {
xor EBX, EBX;
mov a, EBX;
}
return a;
}
#endif
#ifdef TEST_KWSYS_CXX_HAS_BORLAND_ASM_CPUID
int main()
{
int a = 0;
__asm {
xor EAX, EAX;
cpuid;
mov a, EAX;
}
return a;
}
#endif
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