Commit Graph

10 Commits

Author SHA1 Message Date
Joe Richey joerichey@google.com
a45f55524b unix: defer Getpagesize() to runtime
In general, page size is not a function of the archetecture. This was
addressed in the Go standard library here:
https://go-review.googlesource.com/25051

This change simply defers to the standard library "syscall" package,
which in turn defers to the runtime. This helps in addressing golang/go#10180 and
also fixes a bug on ppc64.

Currently, we return 65536 as the page size on ppc64, but the kernel
supports 4k and 64k sizes, see here:
http://elixir.free-electrons.com/linux/v4.13/source/arch/powerpc/include/asm/page.h#L24

Now that various page size calculations are not needed, various
components are now dead code and can also be removed. This CL reverts:
https://go-review.googlesource.com/14483
and part of:
https://go-review.googlesource.com/30755

Change-Id: I9d7a2d96359054e0dca9c985b026c8072b2eeaf3
Reviewed-on: https://go-review.googlesource.com/62111
Reviewed-by: Austin Clements <austin@google.com>
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2017-09-07 22:11:50 +00:00
James Cowgill
156c5a2da4 unix: use struct pt_regs for PtraceRegs on mips
On mips, "struct user" bears no relation to the actual structure used by
PTRACE_GETREGS. The real structure is "struct pt_regs" which is declared
in asm/ptrace.h

Fixes golang/go#20338.

Change-Id: I604d27bd2b0a0903784380cbd3fa2fd9b9811fa5
Reviewed-on: https://go-review.googlesource.com/43431
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2017-05-12 16:47:49 +00:00
James Cowgill
6b7068925c unix: add missing dup2 syscall on mips64*
After this commit the testsuite passes on mips64le.

Fixes golang/go#20340.

Change-Id: I6b3f673674af107fd6d249ccf5e695e0e50a41bb
Reviewed-on: https://go-review.googlesource.com/43430
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2017-05-12 16:37:50 +00:00
Hiroshi Ioka
c47cb47a30 x/sys/unix: remove unused constants
Change-Id: Ib80ad194eda478c1e6653a3fe34a20ecf785c6ca
Reviewed-on: https://go-review.googlesource.com/20005
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
2016-10-06 00:19:50 +00:00
kortschak
5a8c7f28c1 unix: add Ppoll support for linux
Use a shim for Poll on arm64.

Fixes golang/go#16052.

Change-Id: I929e7a2293561bddb9355bf65f98bc68b91905b2
Reviewed-on: https://go-review.googlesource.com/24062
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-06-14 16:43:59 +00:00
Riku Voipio
f64b50fbea unix: fix Pause on linux-arm64
Pause is a legacy syscall not available on linux-arm64. Use ppoll with
all args as 0 to emulate - this is the way musl libc does Pause when the
pause syscall isn't available.

With the changes in syscall_linux* and regenerating zsyscall_linux*,
this calling Pause on linux-arm64 works and returns EINTR as expected.

Change-Id: I88236290313f18c742d826e759e86ff260a8b383
Reviewed-on: https://go-review.googlesource.com/22014
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-04-15 13:58:44 +00:00
Riku Voipio
324e137580 unix: fix EpollWait for arm64
epoll_wait syscall doesn't exist on arm64. Implement it with
by callign epoll_pwait(). According to man epoll_pwait,
calling epoll_pwait with sigmask of NULL is identical to
epoll_wait.

Testing exposed that EpollEvent needs padding on arm64
like on arm.

This changeset is to fix:
https://github.com/fsnotify/fsnotify/issues/130

Testcase: go test with fsnotify ported from syscall to x/sys:
https://github.com/suihkulokki/fsnotify/tree/go-sys

Change-Id: I76136bf4c82c2ee597549133848f490da46dd488
Reviewed-on: https://go-review.googlesource.com/21971
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2016-04-13 20:47:32 +00:00
Brad Fitzpatrick
afce3de575 unix: make TimevalToNsec available everywhere
It wasn't in linux/arm.

Tested with:

$ for x in $(go tool dist list ) ; do \
     export GOOS=$(echo $x | cut -d/ -f1); \
     export GOARCH=$(echo $x | cut -d/ -f2); \
     echo "$GOOS; $GOARCH"; go install  .; done

... which all pass, except openbsd/arm which is still broken exactly
how it was broken previously.

Fixes golang/go#14643

Change-Id: Ie7ae861b581b539178de26f15ba3f4bdd0e9b785
Reviewed-on: https://go-review.googlesource.com/21013
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2016-03-22 23:22:43 +00:00
Hiroshi Ioka
7e44b69d78 x/sys/unix: fix invalid syscall on linux/arm
Some system calls are obsolete and no longer available for EABI.
This CL replace such system call usages.

Updates golang/go#14524

Change-Id: Ib99b239455ca677e46d7097911904c45119051bd
Reviewed-on: https://go-review.googlesource.com/19945
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2016-02-28 22:21:53 +00:00
Yao Zhang
19ced1583f x/sys/unix: added linux/mips64{,le} support
Change-Id: I4bf8d5e7ebc41b5152ce181c83dc3ff94bddae57
Reviewed-on: https://go-review.googlesource.com/16994
Reviewed-by: Minux Ma <minux@golang.org>
Run-TryBot: Minux Ma <minux@golang.org>
2016-02-28 04:28:12 +00:00