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sys_info: make platform_id enum

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This allows same platform management across different operating systems.
Like with charset_id, the Windows numbering was adopted.

Signed-off-by: Simon Rozman <simon@rozman.si>
This commit is contained in:
Simon Rozman 2024-02-08 13:08:29 +01:00
parent 08a18d1519
commit f5f4cbf308
1 changed files with 47 additions and 35 deletions
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82
include/stdex/sys_info.hpp
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@ -21,30 +21,48 @@ namespace stdex
///
/// Platform ID
///
enum class platform_id : uint16_t {
#ifdef _WIN32
typedef uint16_t platform_id;
unknown = IMAGE_FILE_MACHINE_UNKNOWN,
i386 = IMAGE_FILE_MACHINE_I386,
x86_64 = IMAGE_FILE_MACHINE_AMD64,
arm = IMAGE_FILE_MACHINE_ARMNT,
aarch64 = IMAGE_FILE_MACHINE_ARM64,
#else
typedef const char* platform_id;
unknown = 0,
i386 = 0x014c,
x86_64 = 0x8664,
arm = 0x01c4,
aarch64 = 0xaa64,
#endif
};
///
/// Parses platform name and returns matching platform code
///
/// \param[in] name Platform name
///
/// \returns Platform code or `platform_id::unknown` if match not found
///
inline platform_id platform_from_name(_In_z_ const char* name)
{
struct platform_less {
bool operator()(_In_z_ const char* a, _In_z_ const char* b) const
{
return stricmp(a, b) < 0;
}
};
static const std::map<const char*, platform_id, platform_less> platforms = {
{ "aarch64", platform_id::aarch64 },
{ "arm", platform_id::arm },
{ "i386", platform_id::i386 },
{ "x86_64", platform_id::x86_64 },
};
if (auto el = platforms.find(name); el != platforms.end())
return el->second;
return platform_id::unknown;
}
#ifndef _WIN32
constexpr stdex::platform_id IMAGE_FILE_MACHINE_UNKNOWN = nullptr;
constexpr stdex::platform_id IMAGE_FILE_MACHINE_I386 = "i386";
constexpr stdex::platform_id IMAGE_FILE_MACHINE_AMD64 = "x86_64";
constexpr stdex::platform_id IMAGE_FILE_MACHINE_ARMNT = "arm";
constexpr stdex::platform_id IMAGE_FILE_MACHINE_ARM64 = "aarch64";
//inline bool operator ==(_In_ const stdex::platform_id a, _In_ const stdex::platform_id b) { return a == b; }
//inline bool operator !=(_In_ const stdex::platform_id a, _In_ const stdex::platform_id b) { return a != b; }
//inline bool operator <(_In_ const stdex::platform_id a, _In_ const stdex::platform_id b) { return (a == IMAGE_FILE_MACHINE_UNKNOWN && b != IMAGE_FILE_MACHINE_UNKNOWN) || (a != IMAGE_FILE_MACHINE_UNKNOWN && b != IMAGE_FILE_MACHINE_UNKNOWN && strcmp(a, b) < 0); }
//inline bool operator <=(_In_ const stdex::platform_id a, _In_ const stdex::platform_id b) { return a == IMAGE_FILE_MACHINE_UNKNOWN || (a != IMAGE_FILE_MACHINE_UNKNOWN && b != IMAGE_FILE_MACHINE_UNKNOWN && strcmp(a, b) <= 0); }
//inline bool operator >(_In_ const stdex::platform_id a, _In_ const stdex::platform_id b) { return (a != IMAGE_FILE_MACHINE_UNKNOWN && b == IMAGE_FILE_MACHINE_UNKNOWN) || (a != IMAGE_FILE_MACHINE_UNKNOWN && b != IMAGE_FILE_MACHINE_UNKNOWN && strcmp(a, b) > 0); }
//inline bool operator >=(_In_ const stdex::platform_id a, _In_ const stdex::platform_id b) { return b == IMAGE_FILE_MACHINE_UNKNOWN || (a != IMAGE_FILE_MACHINE_UNKNOWN && b != IMAGE_FILE_MACHINE_UNKNOWN && strcmp(a, b) >= 0); }
#endif
namespace stdex
{
///
/// System information
///
@ -53,20 +71,14 @@ namespace stdex
///
/// The platform this process was compiled for
///
#if _M_IX86
static constexpr platform_id process_platform = IMAGE_FILE_MACHINE_I386;
#elif _M_X64 // _M_ARM64EC is introducing as x64
static constexpr platform_id process_platform = IMAGE_FILE_MACHINE_AMD64;
#elif _M_ARM
static constexpr platform_id process_platform = IMAGE_FILE_MACHINE_ARMNT;
#elif _M_ARM64
static constexpr platform_id process_platform = IMAGE_FILE_MACHINE_ARM64;
#elif __i386__
static constexpr platform_id process_platform = "i386";
#elif __x86_64__
static constexpr platform_id process_platform = "x86_64";
#elif __aarch64__
static constexpr platform_id process_platform = "aarch64";
#if _M_IX86 || __i386__
static constexpr platform_id process_platform = platform_id::i386;
#elif _M_X64 /* _M_ARM64EC is introducing as x64 */ || __x86_64__
static constexpr platform_id process_platform = platform_id::x86_64;
#elif _M_ARM || __arm__
static constexpr platform_id process_platform = platform_id::arm;
#elif _M_ARM64 || __aarch64__
static constexpr platform_id process_platform = platform_id::aarch64;
#else
#error Unknown platform
#endif
@ -99,7 +111,7 @@ namespace stdex
bool elevated;
sys_info_t() :
os_platform(IMAGE_FILE_MACHINE_UNKNOWN),
os_platform(platform_id::unknown),
#ifdef _WIN32
wow64(false),
#endif
@ -142,7 +154,7 @@ namespace stdex
#else
memset(&m_utsn, 0, sizeof(m_utsn));
if (uname(&m_utsn) != -1)
os_platform = reinterpret_cast<platform_id>(m_utsn.machine);
os_platform = platform_from_name(m_utsn.machine);
#endif
#ifdef _WIN32