Prepare to rename/reuse struct ucontext.

* cygtls.h (struct _cygtls): Convert thread_context to type CONTEXT.
	* exceptions.cc (_cygtls::signal_debugger): Use sizeof (CONTEXT) for
	size of CONTEXT copied for GDB's digestion.
	* include/cygwin/signal.h: Add a preliminary comment.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2015-03-30 16:53:52 +02:00
parent 13681ab7f1
commit 40b1aa4008
No known key found for this signature in database
GPG Key ID: F536069DAE444FA0
6 changed files with 120 additions and 112 deletions

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@ -1,3 +1,10 @@
2015-03-30 Corinna Vinschen <corinna@vinschen.de>
* cygtls.h (struct _cygtls): Convert thread_context to type CONTEXT.
* exceptions.cc (_cygtls::signal_debugger): Use sizeof (CONTEXT) for
size of CONTEXT copied for GDB's digestion.
* include/cygwin/signal.h: Add a preliminary comment.
2015-03-25 Corinna Vinschen <corinna@vinschen.de>
* include/sys/termios.h: Add CMIN and CTIME.

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@ -1,7 +1,7 @@
/* cygtls.h
Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013,
2014 Red Hat, Inc.
2014, 2015 Red Hat, Inc.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
@ -191,7 +191,7 @@ public:
siginfo_t *sigwait_info;
HANDLE signal_arrived;
bool will_wait_for_signal;
struct ucontext thread_context;
CONTEXT thread_context;
DWORD thread_id;
siginfo_t infodata;
struct pthread *tid;

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@ -1,7 +1,7 @@
/* exceptions.cc
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 Red Hat, Inc.
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Red Hat, Inc.
This file is part of Cygwin.
@ -1526,8 +1526,7 @@ _cygtls::signal_debugger (siginfo_t& si)
#else
c.Eip = retaddr ();
#endif
memcpy (&thread_context, &c, (&thread_context._internal -
(unsigned char *) &thread_context));
memcpy (&thread_context, &c, sizeof (CONTEXT));
/* Enough space for 32/64 bit addresses */
char sigmsg[2 * sizeof (_CYGWIN_SIGNAL_STRING " ffffffff ffffffffffffffff")];
__small_sprintf (sigmsg, _CYGWIN_SIGNAL_STRING " %d %y %p", si.si_signo,

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@ -1,7 +1,7 @@
/* signal.h
Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2010, 2011, 2012, 2013
Red Hat, Inc.
Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2010, 2011, 2012, 2013,
2015 Red Hat, Inc.
This file is part of Cygwin.
@ -149,6 +149,8 @@ struct ucontext
#endif /* !x86_64 */
/* Needed for GDB. It only compiles in the context copy code if this
macro s defined. */
#define __COPY_CONTEXT_SIZE ((size_t) (uintptr_t) &((struct ucontext *) 0)->_internal)
typedef union sigval

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@ -31,32 +31,32 @@
//; $tls::pwill_wait_for_signal = 2848;
//; $tls::thread_context = -9848;
//; $tls::pthread_context = 2852;
//; $tls::thread_id = -9636;
//; $tls::pthread_id = 3064;
//; $tls::infodata = -9632;
//; $tls::pinfodata = 3068;
//; $tls::tid = -9484;
//; $tls::ptid = 3216;
//; $tls::_ctinfo = -9480;
//; $tls::p_ctinfo = 3220;
//; $tls::andreas = -9476;
//; $tls::pandreas = 3224;
//; $tls::wq = -9472;
//; $tls::pwq = 3228;
//; $tls::sig = -9444;
//; $tls::psig = 3256;
//; $tls::incyg = -9440;
//; $tls::pincyg = 3260;
//; $tls::spinning = -9436;
//; $tls::pspinning = 3264;
//; $tls::stacklock = -9432;
//; $tls::pstacklock = 3268;
//; $tls::stackptr = -9428;
//; $tls::pstackptr = 3272;
//; $tls::stack = -9424;
//; $tls::pstack = 3276;
//; $tls::initialized = -8400;
//; $tls::pinitialized = 4300;
//; $tls::thread_id = -9132;
//; $tls::pthread_id = 3568;
//; $tls::infodata = -9128;
//; $tls::pinfodata = 3572;
//; $tls::tid = -8980;
//; $tls::ptid = 3720;
//; $tls::_ctinfo = -8976;
//; $tls::p_ctinfo = 3724;
//; $tls::andreas = -8972;
//; $tls::pandreas = 3728;
//; $tls::wq = -8968;
//; $tls::pwq = 3732;
//; $tls::sig = -8940;
//; $tls::psig = 3760;
//; $tls::incyg = -8936;
//; $tls::pincyg = 3764;
//; $tls::spinning = -8932;
//; $tls::pspinning = 3768;
//; $tls::stacklock = -8928;
//; $tls::pstacklock = 3772;
//; $tls::stackptr = -8924;
//; $tls::pstackptr = 3776;
//; $tls::stack = -8920;
//; $tls::pstack = 3780;
//; $tls::initialized = -7896;
//; $tls::pinitialized = 4804;
//; __DATA__
#define tls_locals (-12700)
@ -89,29 +89,29 @@
#define tls_pwill_wait_for_signal (2848)
#define tls_thread_context (-9848)
#define tls_pthread_context (2852)
#define tls_thread_id (-9636)
#define tls_pthread_id (3064)
#define tls_infodata (-9632)
#define tls_pinfodata (3068)
#define tls_tid (-9484)
#define tls_ptid (3216)
#define tls__ctinfo (-9480)
#define tls_p_ctinfo (3220)
#define tls_andreas (-9476)
#define tls_pandreas (3224)
#define tls_wq (-9472)
#define tls_pwq (3228)
#define tls_sig (-9444)
#define tls_psig (3256)
#define tls_incyg (-9440)
#define tls_pincyg (3260)
#define tls_spinning (-9436)
#define tls_pspinning (3264)
#define tls_stacklock (-9432)
#define tls_pstacklock (3268)
#define tls_stackptr (-9428)
#define tls_pstackptr (3272)
#define tls_stack (-9424)
#define tls_pstack (3276)
#define tls_initialized (-8400)
#define tls_pinitialized (4300)
#define tls_thread_id (-9132)
#define tls_pthread_id (3568)
#define tls_infodata (-9128)
#define tls_pinfodata (3572)
#define tls_tid (-8980)
#define tls_ptid (3720)
#define tls__ctinfo (-8976)
#define tls_p_ctinfo (3724)
#define tls_andreas (-8972)
#define tls_pandreas (3728)
#define tls_wq (-8968)
#define tls_pwq (3732)
#define tls_sig (-8940)
#define tls_psig (3760)
#define tls_incyg (-8936)
#define tls_pincyg (3764)
#define tls_spinning (-8932)
#define tls_pspinning (3768)
#define tls_stacklock (-8928)
#define tls_pstacklock (3772)
#define tls_stackptr (-8924)
#define tls_pstackptr (3776)
#define tls_stack (-8920)
#define tls_pstack (3780)
#define tls_initialized (-7896)
#define tls_pinitialized (4804)

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@ -31,32 +31,32 @@
//; $tls::pwill_wait_for_signal = 4136;
//; $tls::thread_context = -8656;
//; $tls::pthread_context = 4144;
//; $tls::thread_id = -7824;
//; $tls::pthread_id = 4976;
//; $tls::infodata = -7820;
//; $tls::pinfodata = 4980;
//; $tls::tid = -7672;
//; $tls::ptid = 5128;
//; $tls::_ctinfo = -7664;
//; $tls::p_ctinfo = 5136;
//; $tls::andreas = -7656;
//; $tls::pandreas = 5144;
//; $tls::wq = -7648;
//; $tls::pwq = 5152;
//; $tls::sig = -7600;
//; $tls::psig = 5200;
//; $tls::incyg = -7596;
//; $tls::pincyg = 5204;
//; $tls::spinning = -7592;
//; $tls::pspinning = 5208;
//; $tls::stacklock = -7588;
//; $tls::pstacklock = 5212;
//; $tls::stackptr = -7584;
//; $tls::pstackptr = 5216;
//; $tls::stack = -7576;
//; $tls::pstack = 5224;
//; $tls::initialized = -5528;
//; $tls::pinitialized = 7272;
//; $tls::thread_id = -7424;
//; $tls::pthread_id = 5376;
//; $tls::infodata = -7420;
//; $tls::pinfodata = 5380;
//; $tls::tid = -7272;
//; $tls::ptid = 5528;
//; $tls::_ctinfo = -7264;
//; $tls::p_ctinfo = 5536;
//; $tls::andreas = -7256;
//; $tls::pandreas = 5544;
//; $tls::wq = -7248;
//; $tls::pwq = 5552;
//; $tls::sig = -7200;
//; $tls::psig = 5600;
//; $tls::incyg = -7196;
//; $tls::pincyg = 5604;
//; $tls::spinning = -7192;
//; $tls::pspinning = 5608;
//; $tls::stacklock = -7188;
//; $tls::pstacklock = 5612;
//; $tls::stackptr = -7184;
//; $tls::pstackptr = 5616;
//; $tls::stack = -7176;
//; $tls::pstack = 5624;
//; $tls::initialized = -5128;
//; $tls::pinitialized = 7672;
//; __DATA__
#define tls_locals (-12800)
@ -89,29 +89,29 @@
#define tls_pwill_wait_for_signal (4136)
#define tls_thread_context (-8656)
#define tls_pthread_context (4144)
#define tls_thread_id (-7824)
#define tls_pthread_id (4976)
#define tls_infodata (-7820)
#define tls_pinfodata (4980)
#define tls_tid (-7672)
#define tls_ptid (5128)
#define tls__ctinfo (-7664)
#define tls_p_ctinfo (5136)
#define tls_andreas (-7656)
#define tls_pandreas (5144)
#define tls_wq (-7648)
#define tls_pwq (5152)
#define tls_sig (-7600)
#define tls_psig (5200)
#define tls_incyg (-7596)
#define tls_pincyg (5204)
#define tls_spinning (-7592)
#define tls_pspinning (5208)
#define tls_stacklock (-7588)
#define tls_pstacklock (5212)
#define tls_stackptr (-7584)
#define tls_pstackptr (5216)
#define tls_stack (-7576)
#define tls_pstack (5224)
#define tls_initialized (-5528)
#define tls_pinitialized (7272)
#define tls_thread_id (-7424)
#define tls_pthread_id (5376)
#define tls_infodata (-7420)
#define tls_pinfodata (5380)
#define tls_tid (-7272)
#define tls_ptid (5528)
#define tls__ctinfo (-7264)
#define tls_p_ctinfo (5536)
#define tls_andreas (-7256)
#define tls_pandreas (5544)
#define tls_wq (-7248)
#define tls_pwq (5552)
#define tls_sig (-7200)
#define tls_psig (5600)
#define tls_incyg (-7196)
#define tls_pincyg (5604)
#define tls_spinning (-7192)
#define tls_pspinning (5608)
#define tls_stacklock (-7188)
#define tls_pstacklock (5612)
#define tls_stackptr (-7184)
#define tls_pstackptr (5616)
#define tls_stack (-7176)
#define tls_pstack (5624)
#define tls_initialized (-5128)
#define tls_pinitialized (7672)