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This change updates mksysinfo.sh so it correctly
includes the define NLA_HDRLEN in the syscall package.
Fixes golang/go/#13629
Reviewed-on: https://go-review.googlesource.com/17893
From-SVN: r231796
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PR go/61303
runtime: don't overallocate in select code
If we've already allocated an fd_set, don't allocate another one.
Also, don't bother to read from rdwake if it wasn't returned in select.
Fixes https://gcc.gnu.org/PR61303.
Reviewed-on: https://go-review.googlesource.com/17243
From-SVN: r230922
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PR go/68496
reflect: Allocate space for FFI functions returning a zero-sized type.
The libffi library does not understand zero-sized types. We represent
them as a struct with a single field of type void. If such a type is
returned from a function, libffi will copy 1 byte of data. Allocate
space for that byte, although we won't use it.
Fixes https://gcc.gnu.org/PR68496.
Reviewed-on: https://go-review.googlesource.com/17175
From-SVN: r230776
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PR go/66378
syscall: Fix initial offset value in syscall.Sendfile.
Bug reported in https://gcc.gnu.org/PR66378.
Reviewed-on: https://go-review.googlesource.com/17159
From-SVN: r230699
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no network connection)
PR go/65785
net: don't run multicast listen test on nil interface in short mode
This is a backport of https://golang.org/cl/17154.
The gccgo bug report https://gcc.gnu.org/PR65785 points out that the
multicast listen tests will use the network even with -test.short.
Fix test by checking testing.Short with a nil interface.
Reviewed-on: https://go-review.googlesource.com/17158
From-SVN: r230695
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nanoseconds as described in go documentation)
PR go/66574
runtime: Use clock_gettime to get current time.
Fetch the current time in nanoseconds, not microseconds, by using
clock_gettime rather than gettimeofday.
Update golang/go#11222.
Fixes https://gcc.gnu.org/PR66574.
Reviewed-on: https://go-review.googlesource.com/17156
From-SVN: r230694
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PR go/68072
cmd/cgo: ignore vars with no name or type if they have a AttrSpecification
Backport of master CL https://golang.org/cl/17151.
Fixes https://gcc.gnu.org/PR/68072.
Reviewed-on: https://go-review.googlesource.com/17152
From-SVN: r230685
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When using the go command built from gccgo to build and
install a go tool, use the value from runtime GCCGOTOOLDIR as
the install directory.
This also fixes the output from 'go tool' when used with the
gccgo-built go command, to only include the go tools and not
other binaries found in the same directory.
Reviewed-on: https://go-review.googlesource.com/16516
From-SVN: r230677
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Before Solaris 12 the sendfile function is found in -lsendfile, so look
for it there.
Solaris 12 adds some more types that use _in6_addr_t, that need to be
edited in mksysinfo.
Patch by Rainer Orth.
Reviewed-on: https://go-review.googlesource.com/16779
From-SVN: r230132
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PR go/68255
cmd/go: always use --whole-archive for gccgo packages
This is a backport of https://golang.org/cl/16775.
This is, in effect, what the gc toolchain does. It fixes cases where Go
code refers to a C global variable; without this, if the global variable
was the only thing visible in the C code, the generated cgo file might
not get pulled in from the archive, leaving the Go variable
uninitialized.
This was reported against gccgo as https://gcc.gnu.org/PR68255 .
Reviewed-on: https://go-review.googlesource.com/16778
From-SVN: r230120
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values)
PR go/66138
reflect, encoding/json, encoding/xml: fix unexported embedded structs
Bring in three changes from the master Go repository. These changes
will be in Go 1.6, but they are appropriate for gccgo now because they
resolve a long-standing discrepancy between how gc and gccgo handle the
PkgPath field for embedded unexported struct fields. The core issue is
described at https://golang.org/cl/7247. This has been reported against
gccgo as https://gcc.gnu.org/PR66138.
The three changes being brought over are:
https://golang.org/cl/14010
reflect: adjust access to unexported embedded structs
This CL changes reflect to allow access to exported fields and
methods in unexported embedded structs for gccgo and after gc
has been adjusted to disallow access to embedded unexported structs.
Adresses #12367, #7363, #11007, and #7247.
https://golang.org/cl/14011
encoding/json: check for exported fields in embedded structs
Addresses issue #12367.
https://golang.org/cl/14012
encoding/xml: check for exported fields in embedded structs
Addresses issue #12367.
Reviewed-on: https://go-review.googlesource.com/16723
From-SVN: r229907
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Only build net/hook_cloexec.go on GNU/Linux and FreeBSD, because those
are the only systems with accept4.
Add syscall/libcall_bsd.go to define sendfile for *BSD and Solaris.
Revert tcpsockopt_solaris.go back to the earlier version, so that it
works on Solaris 10.
Always pass the address of a Pid_t value to TIOCGPGRP and TIOCSPGRP.
Include <unistd.h> in runtime/go-varargs.c.
Reviewed-on: https://go-review.googlesource.com/16719
From-SVN: r229880
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I managed to add a new --goarch option to gotest without noticing that
the script already had one. Worse, they set different variables.
Remove the old option in favor of the new one.
Reviewed-on: https://go-review.googlesource.com/16613
From-SVN: r229734
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Reviewed-on: https://go-review.googlesource.com/16588
From-SVN: r229711
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Reviewed-on: https://go-review.googlesource.com/16583
From-SVN: r229686
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Reviewed-on: https://go-review.googlesource.com/16580
From-SVN: r229676
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Attempt to fix a build bug report:
../../../../libgo/go/syscall/exec_linux.go:185:37: error: integer constant overflow
_, err1 = raw_ioctl_ptr(sys.Ctty, TIOCSPGRP, unsafe.Pointer(&pgrp))
Reviewed-on: https://go-review.googlesource.com/16539
From-SVN: r229674
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Reviewed-on: https://go-review.googlesource.com/16534
From-SVN: r229645
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When not using split stacks, libgo allocate large stacks for each
goroutine. On a 64-bit system, libgo allocates a maximum of 128G for
the Go heap, and allocates 4M for each stack. When the stacks are
allocated from the Go heap, the result is that a program can only create
32K goroutines, which is not enough for an active Go server. This patch
changes libgo to allocate the stacks using mmap directly, rather than
allocating them out of the Go heap. This change is only done for 64-bit
systems when not using split stacks. When using split stacks, the
stacks are allocated using mmap directly anyhow. On a 32-bit system,
there is no maximum size for the Go heap, or, rather, the maximum size
is the available address space anyhow.
Reviewed-on: https://go-review.googlesource.com/16531
From-SVN: r229636
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Reviewed-on: https://go-review.googlesource.com/16527
From-SVN: r229624
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It is not needed due to the removal of the ctx field.
Reviewed-on: https://go-review.googlesource.com/16525
From-SVN: r229616
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Type descriptors picked up a zero field because the gc map
implementation used it. However, it's since been dropped by the gc
library. It was never used by gccgo. Drop it now in preparation for
upgrading to the Go 1.5 library.
Reviewed-on: https://go-review.googlesource.com/16486
From-SVN: r229546
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Change the type descriptor hash and equal functions from C code pointers
to Go func values. This permits them to be set to a Go function
closure. This is in preparation for the Go 1.5, so that we can use a
closure for the hash/equal functions returned by the new reflect.ArrayOf
function.
Reviewed-on: https://go-review.googlesource.com/16485
From-SVN: r229541
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This patch adds an easy way to write tests for expected multiline
output. For example we can test carets and underlines for
a particular diagnostic with:
/* { dg-begin-multiline-output "" }
typedef struct _GMutex GMutex;
^~~~~~~
{ dg-end-multiline-output "" } */
multiline.exp is used by prune.exp; hence we need to load it before
prune.exp via *load_gcc_lib* for the testsuites of the various
non-"gcc" support libraries (e.g. boehm-gc).
gcc/testsuite/ChangeLog:
* lib/multiline.exp: New file.
* lib/prune.exp: Load multiline.exp.
(prune_gcc_output): Call into multiline.exp to handle any
multiline output directives.
* lib/libgo.exp: Load multiline.exp before prune.exp, using
load_gcc_lib.
boehm-gc/ChangeLog:
* testsuite/lib/boehm-gc.exp: Load multiline.exp before
prune.exp, using load_gcc_lib.
libatomic/ChangeLog:
* testsuite/lib/libatomic.exp: Load multiline.exp before
prune.exp, using load_gcc_lib.
libgomp/ChangeLog:
* testsuite/lib/libgomp.exp: Load multiline.exp before prune.exp,
using load_gcc_lib.
libitm/ChangeLog:
* testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
using load_gcc_lib.
libvtv/ChangeLog:
* testsuite/lib/libvtv.exp: Load multiline.exp before prune.exp,
using load_gcc_lib.
From-SVN: r228655
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syscall)
PR go/67874
net, runtime: Call C library fcntl function rather than syscall.Syscall.
Not all systems define a fcntl syscall; some only have fcntl64.
Fixes GCC PR go/67874.
Reviewed-on: https://go-review.googlesource.com/15497
From-SVN: r228576
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Reviewed-on: https://go-review.googlesource.com/14922
From-SVN: r228087
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PR go/67695
mksysinfo.sh: Use = with test rather than ==.
Fixes GCC PR 67695.
Reviewed-on: https://go-review.googlesource.com/14858
From-SVN: r228064
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Reviewed-on: https://go-review.googlesource.com/13037
From-SVN: r228057
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If the compiler supports split-stack but we are using a gold linker that
does not, as happens on PPC with current GCC but old gold, then we need
to compile the Go code with -fno-split-stack to avoid a linker error
avoid the inability to call from split-stack code to non-split-stack
code.
Reviewed-on: https://go-review.googlesource.com/14598
From-SVN: r227811
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PPC has split-stack support in current GCC, but old version of gold will
reject attempts to link PPC split-stack and non-split-stack code
together. Test for that, and don't compile the C code with
-fsplit-stack if it doesn't work.
Reviewed-on: https://go-review.googlesource.com/14594
From-SVN: r227802
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This restores https://golang.org/cl/6081043 which was lost accidentally
when updating a new version of libgo in https://golang.org/cl/22440043 .
Reviewed-on: https://go-review.googlesource.com/14569
From-SVN: r227784
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This avoids linker warnings when linking against glibc, as apparently
arm64 GNU/Linux does not support the ustat system call.
Also update to automake 1.11.6, as that is the new GCC standard.
Reviewed-on: https://go-review.googlesource.com/14567
From-SVN: r227777
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Reviewed-on: https://go-review.googlesource.com/13421
From-SVN: r227673
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From Rainer Orth.
Solaris 12 changes the stat_[amc]tim members of struct stat from
timestruc_t to timespec_t for XPG7 compatiblity, thus breaking the libgo
build. The following patch checks for this change and uses the common
stat_atim.go if appropriate.
Reviewed-on: https://go-review.googlesource.com/14495
From-SVN: r227665
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Avoid ps padding issues. Make sure we locate and kill just the sleep
process.
Reviewed-on: https://go-review.googlesource.com/13634
From-SVN: r227037
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If the timeout subshell has no child processes,
the "xargs | kill" will fail. Ensure there is
some input for kill before calling it.
Reviewed-on: https://go-review.googlesource.com/13295
From-SVN: r226719
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Reviewed-on: https://go-review.googlesource.com/13095
From-SVN: r226543
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The struct RawSockaddr contains a field Data which
should be uint8 on ppc64 and ppc64le, but is declared
as int8 in gccgo. This change adds a two new files
which contain the structure declaration for
RawSockaddr, one with the correct types for for ppc64
and ppc64le, and the other for non-ppc64 platforms.
Fixes golang/go#11469
Reviewed-on: https://go-review.googlesource.com/11946
From-SVN: r226533
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This change modifies the "gotest" shell script
to kill all processes, including "sleep", spawned
by the timeout subshell. This prevents the sleep
process from living beyond the gotest process.
BACKGROUND
The "gotest" shell script spawns "sleep" processes
in the background to kill off test cases that run
past their specified timeout. There are commands
included that appear to kill the sleep process,
but they only kill the parent shell, causing the
sleep process to reparent.
The orphaned sleep process can cause issues when
gotest is run under some build systems, such as
Ninja [0]. The particular issue with Ninja is the
method it uses to identify terminated processes:
it creates a pipe, passes the write end to the
child process, and waits for EOF. In the case of
libgo/gotest, the orphaned sleep process inherits
the pipe FD and keeps it open for 4 minutes by
default.
[0] https://github.com/martine/ninja
Reviewed-on: https://go-review.googlesource.com/12227
From-SVN: r226526
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‘__builtin_frame_address’ with a nonzero argument is unsafe [-Werror=frame-address])
PR go/67101
runtime: Remove call to __builtin_frame_address.
__builtin_frame_address was only supposed to use nonzero arguments
for debugging purposes. Calling it with nonzero arguments can have
unpredictable results and uses are now marked unsafe when
-Wframe-address is enabled.
Reviewed-on: https://go-review.googlesource.com/13063
From-SVN: r226525
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In a recent change to mksysinfo.sh, a space was missing on
some lines which caused the libgo build to hang on some
systems. This corrects that problem.
Fixes golang/go#11924
Reviewed-on: https://go-review.googlesource.com/12835
From-SVN: r226366
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During the gccgo build define constants from
some header files are processed by mksysinfo.sh and
added to syscall.go. In some cases the constants
are based on macros which are not processed
correctly by mksysinfo.sh. This adds the support
to generate the correct values for the TUN* constants
from linux/if_tun.h.
Fixes golang/go#11707
Reviewed-on: https://go-review.googlesource.com/12491
From-SVN: r226196
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As the removed comment states, if the package being compiled played
certain tricks with pointers that looked like integers, the compiler
might allocate space for new pointers unnecessarily. Since the type
information on the heap is now precise, this logic can be moved to the
runtime.
Reviewed-on: https://go-review.googlesource.com/11581
From-SVN: r225757
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The syscall for Getdents in syscall/libcall_linux.go
called Entersyscall and Exitsyscall, causing the
runtime_sched counts for goroutines to be incorrect.
Inconsistent counts caused checkdead in runtime/proc.c
to panic.
Fixes golang/go#11406
Reviewed-on: https://go-review.googlesource.com/11761
From-SVN: r225745
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From Eric Botcazou.
From-SVN: r223231
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When libgo is not optimized the static function profilealloc
in malloc.goc shows up in the stack trace. Rename it to
runtime_profilealloc so that runtime/pprof.printStackRecord
ignores it.
From-SVN: r223006
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PR go/66016
runtime: Don't crash in Func.Name if the Func is nil.
Related to Go issue 10696
From-SVN: r222816
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These changes permit using the go tool from the upcoming Go
1.5 release with -buildmode=c-archive to build gccgo code into
an archive file that can be linked with a C program.
From-SVN: r222594
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PR go/65616
libgo: Compile go-main, in libgobegin, with -fPIC.
From-SVN: r222431
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PR go/65798
runtime: In Caller don't return ok == true if PC == 0.
GCC PR 65798 reports that this can happen in some cases.
From-SVN: r222204
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