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| author | Brad King <brad.king@kitware.com> | 2020-11-03 21:57:16 (GMT) |
|---|---|---|
| committer | Brad King <brad.king@kitware.com> | 2020-11-04 15:08:13 (GMT) |
| commit | f511a1c00912f3e1d368a423b07bd1a1ab57fab3 (patch) | |
| tree | e4feec49632b94694eb09fbfaef8cc57debf0aec /Modules/CMakeCompilerABI.h | |
| parent | 606b34b3a6eeac1bcd64c274b5407cc2cd6be2bd (diff) | |
| download | CMake-f511a1c00912f3e1d368a423b07bd1a1ab57fab3.zip CMake-f511a1c00912f3e1d368a423b07bd1a1ab57fab3.tar.gz CMake-f511a1c00912f3e1d368a423b07bd1a1ab57fab3.tar.bz2 | |
CMakeDetermineCompilerABI: Detect byte order as part of check
We already detect `sizeof(void*)`. Detect the byte order as part of the
same check.
Issue: #21392
Diffstat (limited to 'Modules/CMakeCompilerABI.h')
| -rw-r--r-- | Modules/CMakeCompilerABI.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Modules/CMakeCompilerABI.h b/Modules/CMakeCompilerABI.h index 45532af..c5ce4dd 100644 --- a/Modules/CMakeCompilerABI.h +++ b/Modules/CMakeCompilerABI.h @@ -9,6 +9,18 @@ const char info_sizeof_dptr[] = { /* clang-format on */ }; +/* Byte order. Only one of these will have bytes in the right order. */ +static unsigned short const info_byte_order_big_endian[] = { + /* INFO:byte_order string for BIG_ENDIAN */ + 0x494E, 0x464F, 0x3A62, 0x7974, 0x655F, 0x6F72, 0x6465, 0x725B, + 0x4249, 0x475F, 0x454E, 0x4449, 0x414E, 0x5D00, 0x0000 +}; +static unsigned short const info_byte_order_little_endian[] = { + /* INFO:byte_order string for LITTLE_ENDIAN */ + 0x4E49, 0x4F46, 0x623A, 0x7479, 0x5F65, 0x726F, 0x6564, 0x5B72, + 0x494C, 0x5454, 0x454C, 0x455F, 0x444E, 0x4149, 0x5D4E, 0x0000 +}; + /* Application Binary Interface. */ /* Check for (some) ARM ABIs. |