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| author | Luc Van Oostenryck <luc.vanoostenryck@gmail.com> | 2019-10-27 11:35:09 +0100 |
|---|---|---|
| committer | Luc Van Oostenryck <luc.vanoostenryck@gmail.com> | 2019-10-30 09:52:14 +0100 |
| commit | 2c06f143fa63394dbdfa07f3f9d00b24b7c902c5 (patch) | |
| tree | 6c19c53230ab117d2bf82f64b64ea7e50962d1dc /validation/arch/mips32.c | |
| parent | 0a35fa5b1ce9be51c0a2f557fdfe75fabdf58a23 (diff) | |
| download | sparse-dev-2c06f143fa63394dbdfa07f3f9d00b24b7c902c5.tar.gz | |
arch: add an option to specify the desired arch: --arch=<arch>
Sparse is universal in the sense that the same executable can
be used for all architectures. For this, most arch-specific
setting can be set with an option and the default values
are taken from the host machine.
This is working nicely for native targets. However, for cross-
compilation, while seeming to work relatively well (thanks to
the kernel build system using -m32/-m64 for all archs, for example)
things can never work 100% correctly. For example, in the case
an X86-64 host machine is used for an ARM target, the kernel
build system will call sparse with -m32, Sparse will 'autodetect'
the target arch as i386 (x86-64 + -m32) and will then predefine
the macro __i386__. Most of the time this is not a problem (at
least for the kernel) unless, of course, if the code contains
something like:
#ifdef __i386__
...
#elif __arm__
...
So, add an option --arch=<arch> to specify the target architecture.
The native arch is still used if no such flag is given.
Reported-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Diffstat (limited to 'validation/arch/mips32.c')
| -rw-r--r-- | validation/arch/mips32.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/validation/arch/mips32.c b/validation/arch/mips32.c new file mode 100644 index 00000000..339218b6 --- /dev/null +++ b/validation/arch/mips32.c @@ -0,0 +1,29 @@ +__mips__ +__mips +__mips64__ +__i386__ +__x86_64__ +__LP64__ +__BYTE_ORDER__ +__SIZEOF_INT__ +__SIZEOF_LONG__ +__SIZE_TYPE__ + +/* + * check-name: arch/mips32 + * check-command: sparse --arch=mips32 -E $file + * + * check-output-start + +1 +32 +__mips64__ +__i386__ +__x86_64__ +__LP64__ +4321 +4 +4 +unsigned int + * check-output-end + */ |