ctf: Fix a -Wunused-but-set-variable warning

MFC after: 1 month
Sponsored by: The FreeBSD Foundation

Merge sync of head

MFH: r278968-r280640

Sponsored by: The FreeBSD Foundation

Merge r278538 through r280226.

Merge from head

Merge ^/head r279759 through r279892.

MFV r279822:

This merge is effectively a no-op since parts of it are already present
in FreeBSD, and the rest is incorrect since gelf_newehdr(3) and
gelf_newphdr(3) return pointers on FreeBSD rather

MFV r279822:

This merge is effectively a no-op since parts of it are already present
in FreeBSD, and the rest is incorrect since gelf_newehdr(3) and
gelf_newphdr(3) return pointers on FreeBSD rather than integers.

Illumos issue:
5589 improper use of NULL in tools/ctf

MFC after: 3 days

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MFhead @ r277403

Reintegrate head: r274132-r277384

Sponsored by: The FreeBSD Foundation

Mechanically convert cddl sun #ifdef's to illumos

Since the upstream for cddl code is now illumos not sun, mechanically
convert all sun #ifdef's to illumos #ifdef's which have been used in all
newer

Mechanically convert cddl sun #ifdef's to illumos

Since the upstream for cddl code is now illumos not sun, mechanically
convert all sun #ifdef's to illumos #ifdef's which have been used in all
newer code for some time.

Also do a manual pass to correct the use if #ifdef comments as per style(9)
as well as few uses of #if defined(__FreeBSD__) vs #ifndef illumos.

MFC after: 1 month
Sponsored by: Multiplay

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IFC @253398

Merge fresh head.

sync from head

MFC @248093

Fix error in r247960: actually assign the basename to match.iim_file.

Pointed out by: avg
Pointy hat to: dim
MFC after: 1 week
X-MFC-With: r247960

Make ctfconvert work correctly on clang-compiled object files. Clang
puts the full original source filename in the STT_FILE entry of the ELF
symbol table, while gcc saves only the basename.

Since t

Make ctfconvert work correctly on clang-compiled object files. Clang
puts the full original source filename in the STT_FILE entry of the ELF
symbol table, while gcc saves only the basename.

Since the DWARF DW_AT_name attribute contains the full source filename,
both for clang and gcc, ctfconvert takes just the basename of it, for
matching with the STT_FILE entry. So when attempting to match with such
an entry, use its basename, if necessary.

Reported by: avg
MFC after: 1 week

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MFC

IFC @ r234692

sys/amd64/include/cpufunc.h
sys/amd64/include/fpu.h
sys/amd64/amd64/fpu.c
sys/amd64/vmm/vmm.c

- Add API to allow vmm FPU state init/save/restore.

FP stuff discussed with: kib

Merge head r232686 through r233825 into projects/pf/head.

Maintain target's byte order for multi-byte fields in CTF structures.

CTF format is not cross-platform by design, e.g. it is not guaranteed
that data generated by ctfconvert/ctfmerge on one architec

Maintain target's byte order for multi-byte fields in CTF structures.

CTF format is not cross-platform by design, e.g. it is not guaranteed
that data generated by ctfconvert/ctfmerge on one architecture will
be successfuly read on another. CTF structures are saved/restored
using naive approach. Roughly it looks like:
write(fd, &ctf_struct, sizeof(ctf_struct))
read(fd, &ctf_struct, sizeof(ctf_struct))

By sheer luck memory layout of all type-related CTF structures is the same
on amd64/i386/mips32/mips64. It's different on ARM though. sparc, ia64,
powerpc, and powerpc64 were not tested. So in order to get file compatible
with dtrace on ARM it should be compiled on ARM. Alternative solution would
be to have "signatures" for every platform and ctfmerge should convert host's
reperesentation of CTF structure to target's one using "signature" as template.

This patch checks byte order of ELF files used for generating CTF record
and makes sure that byte order of data written to resulting files is the same
as target's byte order.

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Catch up with r210324. d_buf will be NULL for SHT_NOBITS sections, do not
attempt to copy from it in that case.

MFC after: 1 month

A lot of changes to make this code compile cleanly on FreeBSD.

This commit was generated by cvs2svn to compensate for changes in r178528,
which included commits to RCS files with non-trunk default branches.

This commit was generated by cvs2svn to compensate for changes in r178481,
which included commits to RCS files with non-trunk default branches.

A lot of changes to make this code compile cleanly on FreeBSD.