Provide documentation for qprocessordetection.h header
The description of the macros in this header should not belong to <QtGlobal>, so move it to a separate documentation page. Task-number: QTBUG-106154 Change-Id: Ia1dc8738b390cb93b4a058cd23cc084c2d4ec9c1 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>bb10
Ivan Solovev
parent
f1a651d341
commit
0b791f6a90
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@ -173,326 +173,6 @@ using namespace Qt::StringLiterals;
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no arguments and returns void.
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*/
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/*****************************************************************************
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System detection routines
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*****************************************************************************/
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/*!
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\macro Q_PROCESSOR_ALPHA
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\relates <QtGlobal>
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Defined if the application is compiled for Alpha processors.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_ARM
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\relates <QtGlobal>
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Defined if the application is compiled for ARM processors. Qt currently
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supports three optional ARM revisions: \l Q_PROCESSOR_ARM_V5, \l
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Q_PROCESSOR_ARM_V6, and \l Q_PROCESSOR_ARM_V7.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_ARM_V5
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\relates <QtGlobal>
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Defined if the application is compiled for ARMv5 processors. The \l
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Q_PROCESSOR_ARM macro is also defined when Q_PROCESSOR_ARM_V5 is defined.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_ARM_V6
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\relates <QtGlobal>
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Defined if the application is compiled for ARMv6 processors. The \l
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Q_PROCESSOR_ARM and \l Q_PROCESSOR_ARM_V5 macros are also defined when
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Q_PROCESSOR_ARM_V6 is defined.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_ARM_V7
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\relates <QtGlobal>
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Defined if the application is compiled for ARMv7 processors. The \l
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Q_PROCESSOR_ARM, \l Q_PROCESSOR_ARM_V5, and \l Q_PROCESSOR_ARM_V6 macros
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are also defined when Q_PROCESSOR_ARM_V7 is defined.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_AVR32
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\relates <QtGlobal>
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Defined if the application is compiled for AVR32 processors.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_BLACKFIN
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\relates <QtGlobal>
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Defined if the application is compiled for Blackfin processors.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_IA64
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\relates <QtGlobal>
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Defined if the application is compiled for IA-64 processors. This includes
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all Itanium and Itanium 2 processors.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_MIPS
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\relates <QtGlobal>
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Defined if the application is compiled for MIPS processors. Qt currently
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supports seven MIPS revisions: \l Q_PROCESSOR_MIPS_I, \l
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Q_PROCESSOR_MIPS_II, \l Q_PROCESSOR_MIPS_III, \l Q_PROCESSOR_MIPS_IV, \l
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Q_PROCESSOR_MIPS_V, \l Q_PROCESSOR_MIPS_32, and \l Q_PROCESSOR_MIPS_64.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_MIPS_I
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\relates <QtGlobal>
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Defined if the application is compiled for MIPS-I processors. The \l
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Q_PROCESSOR_MIPS macro is also defined when Q_PROCESSOR_MIPS_I is defined.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_MIPS_II
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\relates <QtGlobal>
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Defined if the application is compiled for MIPS-II processors. The \l
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Q_PROCESSOR_MIPS and \l Q_PROCESSOR_MIPS_I macros are also defined when
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Q_PROCESSOR_MIPS_II is defined.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_MIPS_32
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\relates <QtGlobal>
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Defined if the application is compiled for MIPS32 processors. The \l
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Q_PROCESSOR_MIPS, \l Q_PROCESSOR_MIPS_I, and \l Q_PROCESSOR_MIPS_II macros
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are also defined when Q_PROCESSOR_MIPS_32 is defined.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_MIPS_III
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\relates <QtGlobal>
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Defined if the application is compiled for MIPS-III processors. The \l
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Q_PROCESSOR_MIPS, \l Q_PROCESSOR_MIPS_I, and \l Q_PROCESSOR_MIPS_II macros
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are also defined when Q_PROCESSOR_MIPS_III is defined.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_MIPS_IV
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\relates <QtGlobal>
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Defined if the application is compiled for MIPS-IV processors. The \l
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Q_PROCESSOR_MIPS, \l Q_PROCESSOR_MIPS_I, \l Q_PROCESSOR_MIPS_II, and \l
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Q_PROCESSOR_MIPS_III macros are also defined when Q_PROCESSOR_MIPS_IV is
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defined.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_MIPS_V
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\relates <QtGlobal>
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Defined if the application is compiled for MIPS-V processors. The \l
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Q_PROCESSOR_MIPS, \l Q_PROCESSOR_MIPS_I, \l Q_PROCESSOR_MIPS_II, \l
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Q_PROCESSOR_MIPS_III, and \l Q_PROCESSOR_MIPS_IV macros are also defined
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when Q_PROCESSOR_MIPS_V is defined.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_MIPS_64
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\relates <QtGlobal>
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Defined if the application is compiled for MIPS64 processors. The \l
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Q_PROCESSOR_MIPS, \l Q_PROCESSOR_MIPS_I, \l Q_PROCESSOR_MIPS_II, \l
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Q_PROCESSOR_MIPS_III, \l Q_PROCESSOR_MIPS_IV, and \l Q_PROCESSOR_MIPS_V
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macros are also defined when Q_PROCESSOR_MIPS_64 is defined.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_POWER
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\relates <QtGlobal>
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Defined if the application is compiled for POWER processors. Qt currently
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supports two Power variants: \l Q_PROCESSOR_POWER_32 and \l
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Q_PROCESSOR_POWER_64.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_POWER_32
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\relates <QtGlobal>
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Defined if the application is compiled for 32-bit Power processors. The \l
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Q_PROCESSOR_POWER macro is also defined when Q_PROCESSOR_POWER_32 is
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defined.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_POWER_64
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\relates <QtGlobal>
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Defined if the application is compiled for 64-bit Power processors. The \l
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Q_PROCESSOR_POWER macro is also defined when Q_PROCESSOR_POWER_64 is
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defined.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_RISCV
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\relates <QtGlobal>
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\since 5.13
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Defined if the application is compiled for RISC-V processors. Qt currently
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supports two RISC-V variants: \l Q_PROCESSOR_RISCV_32 and \l
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Q_PROCESSOR_RISCV_64.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_RISCV_32
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\relates <QtGlobal>
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\since 5.13
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Defined if the application is compiled for 32-bit RISC-V processors. The \l
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Q_PROCESSOR_RISCV macro is also defined when Q_PROCESSOR_RISCV_32 is
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defined.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_RISCV_64
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\relates <QtGlobal>
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\since 5.13
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Defined if the application is compiled for 64-bit RISC-V processors. The \l
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Q_PROCESSOR_RISCV macro is also defined when Q_PROCESSOR_RISCV_64 is
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defined.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_S390
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\relates <QtGlobal>
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Defined if the application is compiled for S/390 processors. Qt supports
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one optional variant of S/390: Q_PROCESSOR_S390_X.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_S390_X
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\relates <QtGlobal>
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Defined if the application is compiled for S/390x processors. The \l
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Q_PROCESSOR_S390 macro is also defined when Q_PROCESSOR_S390_X is defined.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_SH
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\relates <QtGlobal>
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Defined if the application is compiled for SuperH processors. Qt currently
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supports one SuperH revision: \l Q_PROCESSOR_SH_4A.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_SH_4A
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\relates <QtGlobal>
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Defined if the application is compiled for SuperH 4A processors. The \l
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Q_PROCESSOR_SH macro is also defined when Q_PROCESSOR_SH_4A is defined.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_SPARC
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\relates <QtGlobal>
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Defined if the application is compiled for SPARC processors. Qt currently
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supports one optional SPARC revision: \l Q_PROCESSOR_SPARC_V9.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_SPARC_V9
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\relates <QtGlobal>
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Defined if the application is compiled for SPARC V9 processors. The \l
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Q_PROCESSOR_SPARC macro is also defined when Q_PROCESSOR_SPARC_V9 is
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defined.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_X86
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\relates <QtGlobal>
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Defined if the application is compiled for x86 processors. Qt currently
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supports two x86 variants: \l Q_PROCESSOR_X86_32 and \l Q_PROCESSOR_X86_64.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_X86_32
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\relates <QtGlobal>
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Defined if the application is compiled for 32-bit x86 processors. This
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includes all i386, i486, i586, and i686 processors. The \l Q_PROCESSOR_X86
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macro is also defined when Q_PROCESSOR_X86_32 is defined.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_X86_64
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\relates <QtGlobal>
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Defined if the application is compiled for 64-bit x86 processors. This
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includes all AMD64, Intel 64, and other x86_64/x64 processors. The \l
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Q_PROCESSOR_X86 macro is also defined when Q_PROCESSOR_X86_64 is defined.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*
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Dijkstra's bisection algorithm to find the square root of an integer.
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Deliberately not exported as part of the Qt API, but used in both
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@ -650,15 +330,6 @@ void qAbort()
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that qExchange() returns a non-const object, so Qt containers may detach.
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*/
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/*!
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\macro QT_POINTER_SIZE
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\relates <QtGlobal>
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Expands to the size of a pointer in bytes (4 or 8). This is
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equivalent to \c sizeof(void *) but can be used in a preprocessor
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directive.
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*/
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/*!
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\macro Q_UNUSED(name)
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\relates <QtGlobal>
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@ -716,57 +387,6 @@ bool QInternal::activateCallbacks(Callback cb, void **parameters)
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return false;
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}
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/*!
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\macro Q_BYTE_ORDER
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\relates <QtGlobal>
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This macro can be used to determine the byte order your system
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uses for storing data in memory. i.e., whether your system is
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little-endian or big-endian. It is set by Qt to one of the macros
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Q_LITTLE_ENDIAN or Q_BIG_ENDIAN. You normally won't need to worry
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about endian-ness, but you might, for example if you need to know
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which byte of an integer or UTF-16 character is stored in the
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lowest address. Endian-ness is important in networking, where
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computers with different values for Q_BYTE_ORDER must pass data
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back and forth.
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Use this macro as in the following examples.
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\snippet code/src_corelib_global_qglobal.cpp 40
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\sa Q_BIG_ENDIAN, Q_LITTLE_ENDIAN
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*/
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/*!
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\macro Q_LITTLE_ENDIAN
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\relates <QtGlobal>
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This macro represents a value you can compare to the macro
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Q_BYTE_ORDER to determine the endian-ness of your system. In a
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little-endian system, the least significant byte is stored at the
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lowest address. The other bytes follow in increasing order of
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significance.
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\snippet code/src_corelib_global_qglobal.cpp 41
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\sa Q_BYTE_ORDER, Q_BIG_ENDIAN
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*/
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/*!
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\macro Q_BIG_ENDIAN
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\relates <QtGlobal>
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This macro represents a value you can compare to the macro
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Q_BYTE_ORDER to determine the endian-ness of your system. In a
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big-endian system, the most significant byte is stored at the
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lowest address. The other bytes follow in decreasing order of
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significance.
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\snippet code/src_corelib_global_qglobal.cpp 42
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\sa Q_BYTE_ORDER, Q_LITTLE_ENDIAN
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*/
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/*!
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\macro QT_NAMESPACE
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\internal
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@ -4,6 +4,7 @@
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#if 0
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#pragma qt_class(QtProcessorDetection)
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#pragma qt_sync_skip_header_check
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#pragma qt_sync_stop_processing
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#endif
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@ -0,0 +1,396 @@
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// Copyright (C) 2022 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only
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/*!
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\headerfile <QtProcessorDetection>
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\inmodule QtCore
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\title Architecture-specific Macro Definitions
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\ingroup funclists
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\brief The <QtProcessorDetection> header file includes various
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architecture-specific macros.
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The <QtProcessorDetection> header file declares a range of macros
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(Q_PROCESSOR_*) that are defined if the application is compiled for
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specified processor architectures. For example, the Q_PROCESSOR_X86 macro is
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defined if the application is compiled for x86 processors.
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The purpose of these macros is to enable programmers to add
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architecture-specific code to their application.
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*/
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/*!
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\macro Q_PROCESSOR_ALPHA
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\relates <QtProcessorDetection>
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Defined if the application is compiled for Alpha processors.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_ARM
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\relates <QtProcessorDetection>
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Defined if the application is compiled for ARM processors. Qt currently
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supports three optional ARM revisions: \l Q_PROCESSOR_ARM_V5, \l
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Q_PROCESSOR_ARM_V6, and \l Q_PROCESSOR_ARM_V7.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_ARM_V5
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\relates <QtProcessorDetection>
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Defined if the application is compiled for ARMv5 processors. The \l
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Q_PROCESSOR_ARM macro is also defined when Q_PROCESSOR_ARM_V5 is defined.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_ARM_V6
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\relates <QtProcessorDetection>
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Defined if the application is compiled for ARMv6 processors. The \l
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Q_PROCESSOR_ARM and \l Q_PROCESSOR_ARM_V5 macros are also defined when
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Q_PROCESSOR_ARM_V6 is defined.
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_ARM_V7
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\relates <QtProcessorDetection>
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Defined if the application is compiled for ARMv7 processors. The \l
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Q_PROCESSOR_ARM, \l Q_PROCESSOR_ARM_V5, and \l Q_PROCESSOR_ARM_V6 macros
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are also defined when Q_PROCESSOR_ARM_V7 is defined.
|
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|
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\sa QSysInfo::buildCpuArchitecture()
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*/
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/*!
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\macro Q_PROCESSOR_AVR32
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Defined if the application is compiled for AVR32 processors.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
|
||||
/*!
|
||||
\macro Q_PROCESSOR_BLACKFIN
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Defined if the application is compiled for Blackfin processors.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
|
||||
/*!
|
||||
\macro Q_PROCESSOR_IA64
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Defined if the application is compiled for IA-64 processors. This includes
|
||||
all Itanium and Itanium 2 processors.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
|
||||
/*!
|
||||
\macro Q_PROCESSOR_MIPS
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Defined if the application is compiled for MIPS processors. Qt currently
|
||||
supports seven MIPS revisions: \l Q_PROCESSOR_MIPS_I, \l
|
||||
Q_PROCESSOR_MIPS_II, \l Q_PROCESSOR_MIPS_III, \l Q_PROCESSOR_MIPS_IV, \l
|
||||
Q_PROCESSOR_MIPS_V, \l Q_PROCESSOR_MIPS_32, and \l Q_PROCESSOR_MIPS_64.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
/*!
|
||||
\macro Q_PROCESSOR_MIPS_I
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Defined if the application is compiled for MIPS-I processors. The \l
|
||||
Q_PROCESSOR_MIPS macro is also defined when Q_PROCESSOR_MIPS_I is defined.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
/*!
|
||||
\macro Q_PROCESSOR_MIPS_II
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Defined if the application is compiled for MIPS-II processors. The \l
|
||||
Q_PROCESSOR_MIPS and \l Q_PROCESSOR_MIPS_I macros are also defined when
|
||||
Q_PROCESSOR_MIPS_II is defined.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
/*!
|
||||
\macro Q_PROCESSOR_MIPS_32
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Defined if the application is compiled for MIPS32 processors. The \l
|
||||
Q_PROCESSOR_MIPS, \l Q_PROCESSOR_MIPS_I, and \l Q_PROCESSOR_MIPS_II macros
|
||||
are also defined when Q_PROCESSOR_MIPS_32 is defined.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
/*!
|
||||
\macro Q_PROCESSOR_MIPS_III
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Defined if the application is compiled for MIPS-III processors. The \l
|
||||
Q_PROCESSOR_MIPS, \l Q_PROCESSOR_MIPS_I, and \l Q_PROCESSOR_MIPS_II macros
|
||||
are also defined when Q_PROCESSOR_MIPS_III is defined.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
/*!
|
||||
\macro Q_PROCESSOR_MIPS_IV
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Defined if the application is compiled for MIPS-IV processors. The \l
|
||||
Q_PROCESSOR_MIPS, \l Q_PROCESSOR_MIPS_I, \l Q_PROCESSOR_MIPS_II, and \l
|
||||
Q_PROCESSOR_MIPS_III macros are also defined when Q_PROCESSOR_MIPS_IV is
|
||||
defined.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
/*!
|
||||
\macro Q_PROCESSOR_MIPS_V
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Defined if the application is compiled for MIPS-V processors. The \l
|
||||
Q_PROCESSOR_MIPS, \l Q_PROCESSOR_MIPS_I, \l Q_PROCESSOR_MIPS_II, \l
|
||||
Q_PROCESSOR_MIPS_III, and \l Q_PROCESSOR_MIPS_IV macros are also defined
|
||||
when Q_PROCESSOR_MIPS_V is defined.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
/*!
|
||||
\macro Q_PROCESSOR_MIPS_64
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Defined if the application is compiled for MIPS64 processors. The \l
|
||||
Q_PROCESSOR_MIPS, \l Q_PROCESSOR_MIPS_I, \l Q_PROCESSOR_MIPS_II, \l
|
||||
Q_PROCESSOR_MIPS_III, \l Q_PROCESSOR_MIPS_IV, and \l Q_PROCESSOR_MIPS_V
|
||||
macros are also defined when Q_PROCESSOR_MIPS_64 is defined.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
|
||||
/*!
|
||||
\macro Q_PROCESSOR_POWER
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Defined if the application is compiled for POWER processors. Qt currently
|
||||
supports two Power variants: \l Q_PROCESSOR_POWER_32 and \l
|
||||
Q_PROCESSOR_POWER_64.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
/*!
|
||||
\macro Q_PROCESSOR_POWER_32
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Defined if the application is compiled for 32-bit Power processors. The \l
|
||||
Q_PROCESSOR_POWER macro is also defined when Q_PROCESSOR_POWER_32 is
|
||||
defined.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
/*!
|
||||
\macro Q_PROCESSOR_POWER_64
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Defined if the application is compiled for 64-bit Power processors. The \l
|
||||
Q_PROCESSOR_POWER macro is also defined when Q_PROCESSOR_POWER_64 is
|
||||
defined.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
|
||||
/*!
|
||||
\macro Q_PROCESSOR_RISCV
|
||||
\relates <QtProcessorDetection>
|
||||
\since 5.13
|
||||
|
||||
Defined if the application is compiled for RISC-V processors. Qt currently
|
||||
supports two RISC-V variants: \l Q_PROCESSOR_RISCV_32 and \l
|
||||
Q_PROCESSOR_RISCV_64.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
|
||||
/*!
|
||||
\macro Q_PROCESSOR_RISCV_32
|
||||
\relates <QtProcessorDetection>
|
||||
\since 5.13
|
||||
|
||||
Defined if the application is compiled for 32-bit RISC-V processors. The \l
|
||||
Q_PROCESSOR_RISCV macro is also defined when Q_PROCESSOR_RISCV_32 is
|
||||
defined.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
|
||||
/*!
|
||||
\macro Q_PROCESSOR_RISCV_64
|
||||
\relates <QtProcessorDetection>
|
||||
\since 5.13
|
||||
|
||||
Defined if the application is compiled for 64-bit RISC-V processors. The \l
|
||||
Q_PROCESSOR_RISCV macro is also defined when Q_PROCESSOR_RISCV_64 is
|
||||
defined.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
|
||||
/*!
|
||||
\macro Q_PROCESSOR_S390
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Defined if the application is compiled for S/390 processors. Qt supports
|
||||
one optional variant of S/390: Q_PROCESSOR_S390_X.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
/*!
|
||||
\macro Q_PROCESSOR_S390_X
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Defined if the application is compiled for S/390x processors. The \l
|
||||
Q_PROCESSOR_S390 macro is also defined when Q_PROCESSOR_S390_X is defined.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
|
||||
/*!
|
||||
\macro Q_PROCESSOR_SH
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Defined if the application is compiled for SuperH processors. Qt currently
|
||||
supports one SuperH revision: \l Q_PROCESSOR_SH_4A.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
/*!
|
||||
\macro Q_PROCESSOR_SH_4A
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Defined if the application is compiled for SuperH 4A processors. The \l
|
||||
Q_PROCESSOR_SH macro is also defined when Q_PROCESSOR_SH_4A is defined.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
|
||||
/*!
|
||||
\macro Q_PROCESSOR_SPARC
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Defined if the application is compiled for SPARC processors. Qt currently
|
||||
supports one optional SPARC revision: \l Q_PROCESSOR_SPARC_V9.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
/*!
|
||||
\macro Q_PROCESSOR_SPARC_V9
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Defined if the application is compiled for SPARC V9 processors. The \l
|
||||
Q_PROCESSOR_SPARC macro is also defined when Q_PROCESSOR_SPARC_V9 is
|
||||
defined.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
|
||||
/*!
|
||||
\macro Q_PROCESSOR_X86
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Defined if the application is compiled for x86 processors. Qt currently
|
||||
supports two x86 variants: \l Q_PROCESSOR_X86_32 and \l Q_PROCESSOR_X86_64.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
/*!
|
||||
\macro Q_PROCESSOR_X86_32
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Defined if the application is compiled for 32-bit x86 processors. This
|
||||
includes all i386, i486, i586, and i686 processors. The \l Q_PROCESSOR_X86
|
||||
macro is also defined when Q_PROCESSOR_X86_32 is defined.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
/*!
|
||||
\macro Q_PROCESSOR_X86_64
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Defined if the application is compiled for 64-bit x86 processors. This
|
||||
includes all AMD64, Intel 64, and other x86_64/x64 processors. The \l
|
||||
Q_PROCESSOR_X86 macro is also defined when Q_PROCESSOR_X86_64 is defined.
|
||||
|
||||
\sa QSysInfo::buildCpuArchitecture()
|
||||
*/
|
||||
|
||||
/*!
|
||||
\macro Q_BYTE_ORDER
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
This macro can be used to determine the byte order your system
|
||||
uses for storing data in memory. i.e., whether your system is
|
||||
little-endian or big-endian. It is set by Qt to one of the macros
|
||||
Q_LITTLE_ENDIAN or Q_BIG_ENDIAN. You normally won't need to worry
|
||||
about endian-ness, but you might, for example if you need to know
|
||||
which byte of an integer or UTF-16 character is stored in the
|
||||
lowest address. Endian-ness is important in networking, where
|
||||
computers with different values for Q_BYTE_ORDER must pass data
|
||||
back and forth.
|
||||
|
||||
Use this macro as in the following examples.
|
||||
|
||||
\snippet code/src_corelib_global_qglobal.cpp 40
|
||||
|
||||
\sa Q_BIG_ENDIAN, Q_LITTLE_ENDIAN
|
||||
*/
|
||||
|
||||
/*!
|
||||
\macro Q_LITTLE_ENDIAN
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
This macro represents a value you can compare to the macro
|
||||
Q_BYTE_ORDER to determine the endian-ness of your system. In a
|
||||
little-endian system, the least significant byte is stored at the
|
||||
lowest address. The other bytes follow in increasing order of
|
||||
significance.
|
||||
|
||||
\snippet code/src_corelib_global_qglobal.cpp 41
|
||||
|
||||
\sa Q_BYTE_ORDER, Q_BIG_ENDIAN
|
||||
*/
|
||||
|
||||
/*!
|
||||
\macro Q_BIG_ENDIAN
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
This macro represents a value you can compare to the macro
|
||||
Q_BYTE_ORDER to determine the endian-ness of your system. In a
|
||||
big-endian system, the most significant byte is stored at the
|
||||
lowest address. The other bytes follow in decreasing order of
|
||||
significance.
|
||||
|
||||
\snippet code/src_corelib_global_qglobal.cpp 42
|
||||
|
||||
\sa Q_BYTE_ORDER, Q_LITTLE_ENDIAN
|
||||
*/
|
||||
|
||||
/*!
|
||||
\macro QT_POINTER_SIZE
|
||||
\relates <QtProcessorDetection>
|
||||
|
||||
Expands to the size of a pointer in bytes (4 or 8). This is
|
||||
equivalent to \c sizeof(void *) but can be used in a preprocessor
|
||||
directive.
|
||||
*/
|
||||
Loading…
Reference in New Issue