diff options
Diffstat (limited to 'llvm/lib/Support/Host.cpp')
| -rw-r--r-- | llvm/lib/Support/Host.cpp | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/llvm/lib/Support/Host.cpp b/llvm/lib/Support/Host.cpp index 5962e5ee1df..1ca8eac7184 100644 --- a/llvm/lib/Support/Host.cpp +++ b/llvm/lib/Support/Host.cpp @@ -19,8 +19,8 @@ #include "llvm/Config/config.h" #include "llvm/Support/Debug.h" #include "llvm/Support/FileSystem.h" -#include <cstring> -#include <string> +#include "llvm/Support/raw_ostream.h" +#include <string.h> // Include the platform-specific parts of this class. #ifdef LLVM_ON_UNIX @@ -49,10 +49,8 @@ using namespace llvm; -namespace { - #if defined(__linux__) -ssize_t LLVM_ATTRIBUTE_UNUSED readCpuInfo(void *Buf, size_t Size) { +static ssize_t LLVM_ATTRIBUTE_UNUSED readCpuInfo(void *Buf, size_t Size) { // Note: We cannot mmap /proc/cpuinfo here and then process the resulting // memory buffer because the 'file' has 0 size (it can be read from only // as a stream). @@ -76,8 +74,8 @@ ssize_t LLVM_ATTRIBUTE_UNUSED readCpuInfo(void *Buf, size_t Size) { /// GetX86CpuIDAndInfo - Execute the specified cpuid and return the 4 values in the /// specified arguments. If we can't run cpuid on the host, return true. -bool GetX86CpuIDAndInfo(unsigned value, unsigned *rEAX, unsigned *rEBX, - unsigned *rECX, unsigned *rEDX) { +static bool GetX86CpuIDAndInfo(unsigned value, unsigned *rEAX, unsigned *rEBX, + unsigned *rECX, unsigned *rEDX) { #if defined(__GNUC__) || defined(__clang__) #if defined(__x86_64__) || defined(_M_AMD64) || defined (_M_X64) // gcc doesn't know cpuid would clobber ebx/rbx. Preseve it manually. @@ -122,8 +120,9 @@ bool GetX86CpuIDAndInfo(unsigned value, unsigned *rEAX, unsigned *rEBX, /// GetX86CpuIDAndInfoEx - Execute the specified cpuid with subleaf and return the /// 4 values in the specified arguments. If we can't run cpuid on the host, /// return true. -bool GetX86CpuIDAndInfoEx(unsigned value, unsigned subleaf, unsigned *rEAX, - unsigned *rEBX, unsigned *rECX, unsigned *rEDX) { +static bool GetX86CpuIDAndInfoEx(unsigned value, unsigned subleaf, + unsigned *rEAX, unsigned *rEBX, unsigned *rECX, + unsigned *rEDX) { #if defined(__x86_64__) || defined(_M_AMD64) || defined (_M_X64) #if defined(__GNUC__) // gcc doesn't know cpuid would clobber ebx/rbx. Preseve it manually. @@ -183,7 +182,7 @@ bool GetX86CpuIDAndInfoEx(unsigned value, unsigned subleaf, unsigned *rEAX, #endif } -bool GetX86XCR0(unsigned *rEAX, unsigned *rEDX) { +static bool GetX86XCR0(unsigned *rEAX, unsigned *rEDX) { #if defined(__GNUC__) // Check xgetbv; this uses a .byte sequence instead of the instruction // directly because older assemblers do not include support for xgetbv and @@ -200,7 +199,8 @@ bool GetX86XCR0(unsigned *rEAX, unsigned *rEDX) { #endif } -void DetectX86FamilyModel(unsigned EAX, unsigned &Family, unsigned &Model) { +static void DetectX86FamilyModel(unsigned EAX, unsigned &Family, + unsigned &Model) { Family = (EAX >> 8) & 0xf; // Bits 8 - 11 Model = (EAX >> 4) & 0xf; // Bits 4 - 7 if (Family == 6 || Family == 0xf) { @@ -212,8 +212,6 @@ void DetectX86FamilyModel(unsigned EAX, unsigned &Family, unsigned &Model) { } } -} // end anonymous namespace - StringRef sys::getHostCPUName() { unsigned EAX = 0, EBX = 0, ECX = 0, EDX = 0; if (GetX86CpuIDAndInfo(0x1, &EAX, &EBX, &ECX, &EDX)) |
