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Add llvm::sys::getHostTriple and remove

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llvm::sys::getOS{Name,Version}.

Right now the implementation just derives from LLVM_HOSTTRIPLE (which
is wrong, but it doesn't look like we have a define for the target
triple). Ideally this routine would actually be able to compute the
triple for targets we care about.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68118 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar 2009-03-31 17:30:15 +00:00
parent 456e281c11
commit be46c79501
3 changed files with 37 additions and 33 deletions
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14
include/llvm/System/Host.h
View File

@ -32,13 +32,15 @@ namespace sys {
return !isLittleEndianHost();
}
/// getOSName() - Return the name of the host operating system or "" if
/// unknown.
std::string getOSName();
/// getHostTriple() - Return the target triple of the running
/// system.
///
/// The target triple is a string in the format of:
/// CPU_TYPE-VENDOR-OPERATING_SYSTEM
/// or
/// CPU_TYPE-VENDOR-KERNEL-OPERATING_SYSTEM
std::string getHostTriple();
/// getOSVersion() - Return the operating system version as a string or
/// "" if unknown.
std::string getOSVersion();
}
}

36
lib/System/Unix/Host.inc
View File

@ -23,16 +23,7 @@
using namespace llvm;
std::string llvm::sys::getOSName() {
struct utsname info;
if (uname(&info))
return "";
return info.sysname;
}
std::string llvm::sys::getOSVersion() {
static std::string getOSVersion() {
struct utsname info;
if (uname(&info))
@ -40,3 +31,28 @@ std::string llvm::sys::getOSVersion() {
return info.release;
}
std::string sys::getHostTriple() {
// FIXME: Derive more directly instead of relying on the autoconf
// generated variable.
std::string Triple = LLVM_HOSTTRIPLE;
// Force i<N>86 to i386.
if (Triple[0] == 'i' && isdigit(Triple[1]) &&
Triple[2] == '8' && Triple[3] == '6')
Triple[1] = '3';
// On darwin, we want to update the version to match that of the
// host.
std::string::size_type DarwinDashIdx = Triple.find("-darwin");
if (DarwinDashIdx != std::string::npos) {
Triple.resize(DarwinDashIdx + strlen("-darwin"));
// Only add the major part of the os version.
std::string Version = getOSVersion();
Triple += Version.substr(0, Version.find('.'));
}
return Triple;
}

20
lib/System/Win32/Host.inc
View File

@ -17,21 +17,7 @@
using namespace llvm;
std::string sys::getOSName() {
return "Windows";
}
std::string sys::getOSVersion() {
OSVERSIONINFO osvi;
memset(&osvi, 0, sizeof(osvi));
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
if (!GetVersionEx(&osvi))
return "";
char buf[64];
sprintf(buf, "%d.%d", (int)osvi.dwMajorVersion, (int)osvi.dwMinorVersion);
return buf;
std::string sys::getHostTriple() {
// FIXME: Adapt to running version.
return LLVM_HOSTTRIPLE;
}