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merge revision(s) 57020,57021: [Backport #13014]

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Add clang volatile fixes from FreeBSD and NetBSD.

	Use volatile instead of optnone to avoid optimization which causes
	segmentation faults.
	Patch by Dimitry Andric.  [ruby-core:78531] [Bug #13014]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@57216 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
usa 2016-12-27 10:49:55 +00:00
parent ed8c211a64
commit 04d79490da
8 changed files with 21 additions and 16 deletions
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9
ChangeLog
View file

@ -1,3 +1,12 @@
Tue Dec 27 19:49:01 2016 Shugo Maeda <shugo@ruby-lang.org>
* cont.c, eval.c, eval_error.c, thread.c, vm_eval.c, vm_trace.c: add
clang volatile fixes from FreeBSD and NetBSD.
Use volatile instead of optnone to avoid optimization which causes
segmentation faults.
Patch by Dimitry Andric. [Bug #13014]
Tue Dec 27 19:40:09 2016 Nobuyoshi Nakada <nobu@ruby-lang.org>
* README.EXT{.ja,}: [DOC] optional keyword arguments are defaulted to

10
cont.c
View file

@ -167,7 +167,7 @@ static VALUE rb_eFiberError;
if (!(ptr)) rb_raise(rb_eFiberError, "uninitialized fiber"); \
} while (0)
NOINLINE(static VALUE cont_capture(volatile int *stat));
NOINLINE(static VALUE cont_capture(volatile int *volatile stat));
#define THREAD_MUST_BE_RUNNING(th) do { \
if (!(th)->tag) rb_raise(rb_eThreadError, "not running thread"); \
@ -478,13 +478,9 @@ cont_new(VALUE klass)
}
static VALUE
cont_capture(volatile int *stat)
#if defined(__clang__) && \
__clang_major__ == 3 && __clang_minor__ == 8 && __clang_patch__ == 0
__attribute__ ((optnone))
#endif
cont_capture(volatile int *volatile stat)
{
rb_context_t *cont;
rb_context_t *volatile cont;
rb_thread_t *th = GET_THREAD();
volatile VALUE contval;

4
eval.c
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@ -814,7 +814,7 @@ rb_rescue2(VALUE (* b_proc) (ANYARGS), VALUE data1,
{
int state;
rb_thread_t *th = GET_THREAD();
rb_control_frame_t *cfp = th->cfp;
rb_control_frame_t *volatile cfp = th->cfp;
volatile VALUE result = Qfalse;
volatile VALUE e_info = th->errinfo;
va_list args;
@ -880,7 +880,7 @@ rb_protect(VALUE (* proc) (VALUE), VALUE data, int * state)
volatile VALUE result = Qnil;
volatile int status;
rb_thread_t *th = GET_THREAD();
rb_control_frame_t *cfp = th->cfp;
rb_control_frame_t *volatile cfp = th->cfp;
struct rb_vm_protect_tag protect_tag;
rb_jmpbuf_t org_jmpbuf;

2
eval_error.c
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@ -65,7 +65,7 @@ error_print(void)
volatile VALUE errat = Qundef;
rb_thread_t *th = GET_THREAD();
VALUE errinfo = th->errinfo;
int raised_flag = th->raised_flag;
volatile int raised_flag = th->raised_flag;
volatile VALUE eclass = Qundef, e = Qundef;
const char *volatile einfo;
volatile long elen;

4
thread.c
View file

@ -462,8 +462,8 @@ rb_threadptr_unlock_all_locking_mutexes(rb_thread_t *th)
void
rb_thread_terminate_all(void)
{
rb_thread_t *th = GET_THREAD(); /* main thread */
rb_vm_t *vm = th->vm;
rb_thread_t *volatile th = GET_THREAD(); /* main thread */
rb_vm_t *volatile vm = th->vm;
if (vm->main_thread != th) {
rb_bug("rb_thread_terminate_all: called by child thread (%p, %p)",

2
version.h
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@ -1,6 +1,6 @@
#define RUBY_VERSION "2.2.7"
#define RUBY_RELEASE_DATE "2016-12-27"
#define RUBY_PATCHLEVEL 406
#define RUBY_PATCHLEVEL 407
#define RUBY_RELEASE_YEAR 2016
#define RUBY_RELEASE_MONTH 12

4
vm_eval.c
View file

@ -1239,7 +1239,7 @@ eval_string_with_cref(VALUE self, VALUE src, VALUE scope, NODE *const cref_arg,
int state;
VALUE result = Qundef;
VALUE envval;
rb_thread_t *th = GET_THREAD();
rb_thread_t *volatile th = GET_THREAD();
rb_env_t *env = NULL;
rb_block_t block, *base_block;
volatile int parse_in_eval;
@ -1984,7 +1984,7 @@ rb_catch_protect(VALUE t, rb_block_call_func *func, VALUE data, int *stateptr)
int state;
volatile VALUE val = Qnil; /* OK */
rb_thread_t *th = GET_THREAD();
rb_control_frame_t *saved_cfp = th->cfp;
rb_control_frame_t *volatile saved_cfp = th->cfp;
volatile VALUE tag = t;
TH_PUSH_TAG(th);

2
vm_trace.c
View file

@ -390,7 +390,7 @@ rb_suppress_tracing(VALUE (*func)(VALUE), VALUE arg)
volatile int raised;
volatile int outer_state;
VALUE result = Qnil;
rb_thread_t *th = GET_THREAD();
rb_thread_t *volatile th = GET_THREAD();
int state;
const int tracing = th->trace_arg ? 1 : 0;
rb_trace_arg_t dummy_trace_arg;