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Ian Lance Taylor dc14e88e07 re PR other/61895 (libbacktrace crashes with bus error with empty file argv[0]) 
PR other/61895

runtime: Ignore small argv[0] file for backtrace.

Reportedly in some cases Docker starts processes with argv[0]
pointing to an empty file.  That would cause libgo to pass
that empty file to libbacktrace, which would then fail to do
any backtraces.  Everything should work fine if libbacktrace
falls back to /proc/self/exe.

This patch to libgo works around the problem by ignoring
argv[0] if it is a small file, or if stat fails.  This is not
a perfect fix but it's an unusual problem.

From-SVN: r213513
 		2014-08-02 00:54:15 +00:00
..
arch.h
…
array.h compiler, runtime: More steps toward separating int and intgo. 2012-11-01 03:02:13 +00:00
chan.c libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
chan.goc libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
chan.h runtime: Merge master revision 19185. 2014-07-12 00:01:09 +00:00
cpuprof.c libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
cpuprof.goc libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
defs.h
…
env_posix.c libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
getncpu-bsd.c runtime: support NumCPU() on more platforms Added support for Solaris, Irix, *BSD (including Darwin). 2012-08-07 04:42:49 +00:00
getncpu-irix.c runtime: support NumCPU() on more platforms Added support for Solaris, Irix, *BSD (including Darwin). 2012-08-07 04:42:49 +00:00
getncpu-linux.c runtime: use sched_getaffinity for runtime.NumCPU() on Linux 2012-08-10 06:08:11 +00:00
getncpu-none.c runtime: support NumCPU() on more platforms Added support for Solaris, Irix, *BSD (including Darwin). 2012-08-07 04:42:49 +00:00
getncpu-solaris.c runtime: support NumCPU() on more platforms Added support for Solaris, Irix, *BSD (including Darwin). 2012-08-07 04:42:49 +00:00
go-alloc.h
…
go-append.c libgo: Merge to master revision 19184. 2014-06-06 22:37:27 +00:00
go-assert-interface.c compiler, runtime: More steps toward separating int and intgo. 2012-11-01 03:02:13 +00:00
go-assert.c runtime: Copy runtime_printf from other Go library. 2012-05-24 20:44:34 +00:00
go-assert.h
…
go-breakpoint.c re PR go/46986 (Go is not supported on Darwin) 2013-01-24 19:44:23 +00:00
go-byte-array-to-string.c libgo: Update to October 24 version of master library. 2013-11-06 19:49:01 +00:00
go-caller.c re PR other/61895 (libbacktrace crashes with bus error with empty file argv[0]) 2014-08-02 00:54:15 +00:00
go-callers.c reflect, runtime: Use libffi closures to implement reflect.MakeFunc. 2014-07-19 21:36:26 +00:00
go-can-convert-interface.c compiler, runtime: More steps toward separating int and intgo. 2012-11-01 03:02:13 +00:00
go-cdiv.c runtime: fix misc gcc-isms and undefined behavior 2014-05-28 23:10:47 +00:00
go-cgo.c runtime: Merge master revision 19185. 2014-07-12 00:01:09 +00:00
go-check-interface.c compiler, runtime: More steps toward separating int and intgo. 2012-11-01 03:02:13 +00:00
go-construct-map.c compiler, runtime: More steps toward separating int and intgo. 2012-11-01 03:02:13 +00:00
go-convert-interface.c compiler, runtime: More steps toward separating int and intgo. 2012-11-01 03:02:13 +00:00
go-copy.c
…
go-defer.c libgo: Merge to master revision 19184. 2014-06-06 22:37:27 +00:00
go-defer.h libgo: Merge to master revision 19184. 2014-06-06 22:37:27 +00:00
go-deferred-recover.c runtime: Multiplex goroutines onto OS threads. 2011-11-28 05:45:49 +00:00
go-eface-compare.c runtime: Drop reflectFlags tests. 2014-07-11 00:26:25 +00:00
go-eface-val-compare.c runtime: Drop reflectFlags tests. 2014-07-11 00:26:25 +00:00
go-ffi.c reflect, runtime: Use libffi closures to implement reflect.MakeFunc. 2014-07-19 21:36:26 +00:00
go-ffi.h reflect, runtime: Use libffi closures to implement reflect.MakeFunc. 2014-07-19 21:36:26 +00:00
go-fieldtrack.c re PR go/46986 (Go is not supported on Darwin) 2013-01-24 19:44:23 +00:00
go-iface.goc runtime: Rename iface.goc to go-iface.goc. 2014-07-11 00:39:03 +00:00
go-int-array-to-string.c runtime: Fix handling of surrogate pairs in string([]rune). 2013-11-26 23:27:29 +00:00
go-int-to-string.c libgo: Update to October 24 version of master library. 2013-11-06 19:49:01 +00:00
go-interface-compare.c compiler, runtime: More steps toward separating int and intgo. 2012-11-01 03:02:13 +00:00
go-interface-eface-compare.c runtime: Drop reflectFlags tests. 2014-07-11 00:26:25 +00:00
go-interface-val-compare.c compiler, runtime: More steps toward separating int and intgo. 2012-11-01 03:02:13 +00:00
go-main.c libgo: Update to Go 1.1.1. 2013-07-16 06:54:42 +00:00
go-make-slice.c libgo: Update to October 24 version of master library. 2013-11-06 19:49:01 +00:00
go-map-delete.c re PR go/61620 (FAIL: go.test/test/fixedbugs/bug242.go execution, -O2 -g) 2014-07-02 14:23:45 +00:00
go-map-index.c libgo: Update to Go 1.1.1. 2013-07-16 06:54:42 +00:00
go-map-len.c compiler, runtime: More steps toward separating int and intgo. 2012-11-01 03:02:13 +00:00
go-map-range.c compiler, runtime: More steps toward separating int and intgo. 2012-11-01 03:02:13 +00:00
go-matherr.c runtime: Use __builtin_{inf,nan} rather than INFINITY/NAN. 2012-02-10 00:40:27 +00:00
go-memcmp.c compiler, runtime: Memcmp routine returns intgo. 2012-11-06 18:12:45 +00:00
go-nanotime.c libgo: Update to weekly.2011-12-02. 2011-12-13 19:16:27 +00:00
go-new-map.c compiler, libgo: Fixes to prepare for 64-bit int. 2012-11-06 18:28:21 +00:00
go-new.c libgo: Update to October 24 version of master library. 2013-11-06 19:49:01 +00:00
go-nosys.c runtime: Fix typo in dup3 fallback implementation. 2013-10-18 13:26:40 +00:00
go-now.c libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
go-panic.c libgo: Merge to master revision 19184. 2014-06-06 22:37:27 +00:00
go-panic.h reflect, runtime: Use libffi closures to implement reflect.MakeFunc. 2014-07-19 21:36:26 +00:00
go-print.c compiler, runtime: More steps toward separating int and intgo. 2012-11-01 03:02:13 +00:00
go-recover.c reflect, runtime: Use libffi closures to implement reflect.MakeFunc. 2014-07-19 21:36:26 +00:00
go-reflect-call.c reflect, runtime: Use libffi closures to implement reflect.MakeFunc. 2014-07-19 21:36:26 +00:00
go-reflect-map.c libgo: Merge from revision 18783:00cce3a34d7e of master library. 2014-06-04 23:15:33 +00:00
go-rune.c compiler, libgo: Fixes to prepare for 64-bit int. 2012-11-06 18:28:21 +00:00
go-runtime-error.c compiler, runtime: More steps toward separating int and intgo. 2012-11-01 03:02:13 +00:00
go-setenv.c libgo: Merge to master revision 19184. 2014-06-06 22:37:27 +00:00
go-signal.c libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
go-strcmp.c compiler, runtime: More steps toward separating int and intgo. 2012-11-01 03:02:13 +00:00
go-string-to-byte-array.c libgo: Merge to master revision 19184. 2014-06-06 22:37:27 +00:00
go-string-to-int-array.c libgo: Merge to master revision 19184. 2014-06-06 22:37:27 +00:00
go-string.h compiler, libgo: Fixes to prepare for 64-bit int. 2012-11-06 18:28:21 +00:00
go-strplus.c libgo: Update to October 24 version of master library. 2013-11-06 19:49:01 +00:00
go-strslice.c compiler, runtime: More steps toward separating int and intgo. 2012-11-01 03:02:13 +00:00
go-traceback.c reflect, runtime: Use libffi closures to implement reflect.MakeFunc. 2014-07-19 21:36:26 +00:00
go-trampoline.c libgo: Update to revision 15193:6fdc1974457c of master library. 2012-12-22 01:15:33 +00:00
go-type-complex.c runtime: fix misc gcc-isms and undefined behavior 2014-05-28 23:10:47 +00:00
go-type-eface.c runtime: Drop reflectFlags tests. 2014-07-11 00:26:25 +00:00
go-type-error.c compiler, runtime: Implement struct and array comparisons. 2012-01-06 21:47:49 +00:00
go-type-float.c runtime: fix misc gcc-isms and undefined behavior 2014-05-28 23:10:47 +00:00
go-type-identity.c compiler, runtime: More steps toward separating int and intgo. 2012-11-01 03:02:13 +00:00
go-type-interface.c compiler, runtime: More steps toward separating int and intgo. 2012-11-01 03:02:13 +00:00
go-type-string.c compiler, runtime: More steps toward separating int and intgo. 2012-11-01 03:02:13 +00:00
go-type.h runtime: Drop reflectFlags tests. 2014-07-11 00:26:25 +00:00
go-typedesc-equal.c compiler, runtime: More steps toward separating int and intgo. 2012-11-01 03:02:13 +00:00
go-unsafe-new.c libgo: Update to Go 1.1.1. 2013-07-16 06:54:42 +00:00
go-unsafe-newarray.c libgo: Update to Go 1.1.1. 2013-07-16 06:54:42 +00:00
go-unsafe-pointer.c libgo: Merge from revision 18783:00cce3a34d7e of master library. 2014-06-04 23:15:33 +00:00
go-unwind.c libgo: Merge to master revision 19184. 2014-06-06 22:37:27 +00:00
go-varargs.c libgo: Merge to master revision 19184. 2014-06-06 22:37:27 +00:00
goc2c.c runtime: Merge master revision 19185. 2014-07-12 00:01:09 +00:00
heapdump.c libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
interface.h compiler, runtime: More steps toward separating int and intgo. 2012-11-01 03:02:13 +00:00
lfstack.c libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
lfstack.goc runtime: Merge master revision 19185. 2014-07-12 00:01:09 +00:00
lock_futex.c libgo: Merge to master revision 19184. 2014-06-06 22:37:27 +00:00
lock_sema.c libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
malloc.goc libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
malloc.h libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
map.goc runtime: Copy runtime_panicstring from master library. 2011-11-30 00:21:52 +00:00
map.h
…
mcache.c libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
mcentral.c libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
mem.c libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
mem_posix_memalign.c runtime: RTEMS build fixes. 2011-12-13 21:59:26 +00:00
mfixalloc.c libgo: Update to October 24 version of master library. 2013-11-06 19:49:01 +00:00
mgc0.c libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
mgc0.h libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
mheap.c libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
mprof.goc reflect, runtime: Use libffi closures to implement reflect.MakeFunc. 2014-07-19 21:36:26 +00:00
msize.c libgo: Merge to master revision 19184. 2014-06-06 22:37:27 +00:00
netpoll.goc libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
netpoll_epoll.c libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
netpoll_kqueue.c libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
netpoll_select.c libgo: Merge to master revision 19184. 2014-06-06 22:37:27 +00:00
netpoll_stub.c libgo: Merge to master revision 19184. 2014-06-06 22:37:27 +00:00
panic.c libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
parfor.c runtime: Merge master revision 19185. 2014-07-12 00:01:09 +00:00
print.c runtime: also disable split stacks for runtime_snprintf function under Clang 2014-07-20 09:24:16 +00:00
proc.c reflect, runtime: Use libffi closures to implement reflect.MakeFunc. 2014-07-19 21:36:26 +00:00
race.h libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
rdebug.goc libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
reflect.goc runtime: Drop reflectFlags tests. 2014-07-11 00:26:25 +00:00
rtems-task-variable-add.c
…
runtime.c libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
runtime.h reflect, runtime: Use libffi closures to implement reflect.MakeFunc. 2014-07-19 21:36:26 +00:00
runtime1.goc runtime: Merge master revision 19185. 2014-07-12 00:01:09 +00:00
sema.goc libgo: Merge to master revision 19184. 2014-06-06 22:37:27 +00:00
signal_unix.c libgo: Merge to master revision 19184. 2014-06-06 22:37:27 +00:00
signal_unix.h libgo: Update to Go 1.1.1. 2013-07-16 06:54:42 +00:00
sigqueue.goc libgo: Update to October 24 version of master library. 2013-11-06 19:49:01 +00:00
string.goc runtime: Merge master revision 19185. 2014-07-12 00:01:09 +00:00
thread-linux.c libgo: Update to October 24 version of master library. 2013-11-06 19:49:01 +00:00
thread-sema.c runtime: support NumCPU() on more platforms Added support for Solaris, Irix, *BSD (including Darwin). 2012-08-07 04:42:49 +00:00
thread.c libgo: Update to Go 1.1.1. 2013-07-16 06:54:42 +00:00
time.goc libgo: Update to Go 1.3 release. 2014-07-19 08:53:52 +00:00
yield.c runtime: Use _mm_pause rather than __builtin_ia32_pause. 2014-05-30 13:53:58 +00:00