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1) Make FabricateSyscallConsts() operate on ConstFile.
2) Expose Pos inside ConstInfo.
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* Introduce the new target flag 'LittleEndian' which specifies
of which endianness the target is.
* Introduce the new requires flag 'littleendian' for tests to
selectively enable/disable tests on either little-endian architectures
or big-endian ones.
* Disable KD unit test on s390x architecture because the test
works only on little-endian architecture.
Signed-off-by: Alexander Egorenkov <Alexander.Egorenkov@ibm.com>
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We only run for the current arch, but it's not enough
to clean a build for another arch.
Run mrproper for all non-clean arches.
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Add a second mode that extracts constant values from
ELF object, instead of running the executable.
This allows to not (1) link binaries, (2) use proper cross-compiler.
It finally fixes 386/arm extracts for my distro.
Hopefully not makes things worse for others,
should generally be safer/more reliable.
The current mode is left b/c I can't test all OSes,
windows binaries are not ELF, so we may need it anyway.
But later we may switch more OSes to this new mode
if they break (fuchsia?).
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Instead of defining the __GLIBC_USE macro on every OS, we are just
defining it based on a parameter. That parameter is set to false for all
OSs except for fuchsia.
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Kernel modules are in different directories in some cases,
so to include the headers in the module dir or other directories
the includedirs flag is added.
ex: -includedirs path1/include,path2/include
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Currently when we get target consts with target.ConstMap["name"]
during target initialization, we just get 0 for missing consts.
This is error-prone as we can mis-type a const, or a const may
be undefined only on some archs (as we have common unix code
shared between several OSes).
Check that all the consts are actually defined.
The check detects several violations, to fix them:
1. move mremap to linux as it's only defined on linux
2. move S_IFMT to openbsd, as it's only defined and used on openbsd
3. define missing MAP_ANONYMOUS for freebsd and netbsd
4. fix extract for netbsd
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Kernels are standalone implementations and can have their own
implementations of functions that have different prototypes than
the standard ones. In the NetBSD case the kernel printf returns
void, and it is declared in <sys/systm.h> so avoid re-declaring it.
Select if we are going to declare printf or not depending on the OS.
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and other related files.
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* Lots of changes to sys/netbsd:
- Removed a few syscalls that did not have proper constants defined.
- Autogenerated *.const files.
- Removed a few types like uid and gid, that were not available.
- Ran make generate
* Few changes for NetBSD support:
- Added sys/netbsd/init.go
- Added netbsd to sys/sys.go
* Fix order in sys/sys.go
* Update documentation for NetBSD
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