linux(4): Cleanup includes under amd64/linux

No functional changes.

MFC after: 1 week

linux(4): Deduplicate mmap2

To help porting the Linux emulation layer to a new platforms start using
Linux names for conditional builds instead of architecture-specific ifdefs.

MFC after: 1 week

linux(4): Deduplicate mprotect, madvise

MFC after: 1 week

linux(4): Remove sys/cdefs.h inclusion where it's not needed due to 685dc743

sys: Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

linux(4): Simplify %r10 restoring on amd64

Restore %r10 at system call entry to avoid doing this multiply times.

Differential Revision: https://reviews.freebsd.org/D40154
MFC after: 1 month

linux(4): Implement ptrace_pokeusr for x86_64

Differential Revision: https://reviews.freebsd.org/D40097
MFC after: 1 week

linux(4): Make ptrace_pokeusr machine dependent

Differential Revision: https://reviews.freebsd.org/D40096
MFC after: 1 week

linux(4): Make ptrace_peekusr machine dependend

And partially implement it for x86_64.

Differential Revision: https://reviews.freebsd.org/D40095
MFC after: 1 week

linux(4): Cleanup includes under amd64/linux

Cleanup unneeded includes, sort the rest according to style(9).
No functional changes.

MFC after: 2 weeks

linux(4): Cleanup vm includes from linux_util.h

Include vm headers directly where they needed. The linux_util.h included
in a most source files of the Linuxulator, avoid collecting a rarely used
inc

linux(4): Cleanup vm includes from linux_util.h

Include vm headers directly where they needed. The linux_util.h included
in a most source files of the Linuxulator, avoid collecting a rarely used
includes here.

MFC after: 2 weeks

show more ...

linux(4): Deduplicate execve

As linux_execve is common across archs, except amd64 32-bit Linuxulator,
move it under compat/linux.

Noted by: andrew@
MFC after: 2 weeks

linux: remove the always curthread argument from lconvpath

linux: Replace ifdefs in ptrace with per-architecture callbacks

It's a cleanup; no (intended) functional changes.

Sponsored By: EPSRC
Reviewed By: kib
Differential Revision: https://reviews.freebsd

linux: Replace ifdefs in ptrace with per-architecture callbacks

It's a cleanup; no (intended) functional changes.

Sponsored By: EPSRC
Reviewed By: kib
Differential Revision: https://reviews.freebsd.org/D32888

show more ...

linux: make PTRACE_SETREGS use a correct struct

Note that this is largely untested at this point, as was
the previous version; I'm committing this mostly to get
rid of `struct linux_pt_reg`.

Sponso

linux: make PTRACE_SETREGS use a correct struct

Note that this is largely untested at this point, as was
the previous version; I'm committing this mostly to get
rid of `struct linux_pt_reg`.

Sponsored By: EPSRC
Differential Revision: https://reviews.freebsd.org/D32735

show more ...

linux: Constify bsd_to_linux_regset()

No functional changes.

Reviewed By: emaste
Sponsored By: EPSRC
Differential Revision: https://reviews.freebsd.org/D32599

linux(4): Add struct clone_args for future clone3 system call.

In preparation for clone3 system call add struct clone_args and use it in
clone implementation.
Move all of clone related bits to the n

linux(4): Add struct clone_args for future clone3 system call.

In preparation for clone3 system call add struct clone_args and use it in
clone implementation.
Move all of clone related bits to the newly created linux_fork.h header.

Differential revision: https://reviews.freebsd.org/D31474
MFC after: 2 weeks

show more ...

linux: implement sigaltstack(2) on arm64

... by making it machine-independent.

Reviewed By: dchagin
Sponsored By: EPSRC
Differential Revision: https://reviews.freebsd.org/D31286

linux: implement rt_sigsuspend(2) on arm64

... by making it architecture-independent.

Reviewed By: dchagin
Sponsored By: EPSRC
Differential Revision: https://reviews.freebsd.org/D31259

Drop "All rights reserved" from my copyright statements.

Add email and fixup years while here.

Reviewed by: imp
Differential Revision: https://reviews.freebsd.org/D30912
MFC after: 2 weeks

linux(4): implement coredump support

Implement dumping core for Linux binaries on amd64, for both
32- and 64-bit executables. Some bits are still missing.

This is based on a prototype by chuck@.

linux(4): implement coredump support

Implement dumping core for Linux binaries on amd64, for both
32- and 64-bit executables. Some bits are still missing.

This is based on a prototype by chuck@.

Reviewed By: kib
Sponsored By: EPSRC
Differential Revision: https://reviews.freebsd.org/D30019

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linux(4): make arch_prctl(2) support GET_CET_STATUS, report unknown codes

This is largely a no-op, to make future debugging slightly easier.

Sponsored By: EPSRC
Differential Revision: https://revie

linux(4): make arch_prctl(2) support GET_CET_STATUS, report unknown codes

This is largely a no-op, to make future debugging slightly easier.

Sponsored By: EPSRC
Differential Revision: https://reviews.freebsd.org/D30035

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Rename linux_set_upcall_kse() to linux_set_upcall().

This matches the rename of cpu_set_upcall_kse() in
5c2cf818454375536fda522ba83cf67c50929e6b.

Reviewed by: kib, emaste
MFC after: 1 week
Sponsore

Rename linux_set_upcall_kse() to linux_set_upcall().

This matches the rename of cpu_set_upcall_kse() in
5c2cf818454375536fda522ba83cf67c50929e6b.

Reviewed by: kib, emaste
MFC after: 1 week
Sponsored by: DARPA
Differential Revision: https://reviews.freebsd.org/D29295

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amd64: Cleanups to setting TLS registers for Linux binaries.

- Use update_pcb_bases() when updating FS or GS base addresses to
permit use of FSBASE and GSBASE in Linux processes. This also sets

amd64: Cleanups to setting TLS registers for Linux binaries.

- Use update_pcb_bases() when updating FS or GS base addresses to
permit use of FSBASE and GSBASE in Linux processes. This also sets
PCB_FULL_IRET. linux32 was setting PCB_32BIT which should be a
no-op (exec sets it).

- Remove write-only variables to construct unused segment descriptors
for linux32.

Reviewed by: kib
MFC after: 1 week
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D29026

show more ...

linux: drop unneeded casts

No functional changes.

Sponsored By: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D28533