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Teemu Torma c404fea226 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
Thu Dec 11 20:42:18 1997  Teemu Torma  <tot@trema.com>

	Thread-safe EH support for pthreads, DCE threads and Solaris threads.

	* integrate.c (expand_inline_function): If the inline fn uses eh
	context, make sure that the current fn has one.
	* toplev.c (rest_of_compilation): Call emit_eh_context.
	* except.c (use_eh_context): New fn.
	(get_eh_context_once): New fn.
	(call_get_eh_context): New fn.
	(emit_eh_context): New fn.
	(get_eh_context): Call either get_eh_context_once or
	call_get_eh_context, depending on what we have.
	(get_dynamic_handler_chain): Call get_eh_context_once.
	* except.h: Prototypes for fns above.
	* optabs.c (get_eh_context_libfunc): Removed.
	(init_optabs): Don't initialize it.
	* expr.h (get_eh_context_libfunc): Removed.
	* rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
	* config/pa/pa.h (CPP_SPEC): Support for -threads.
	* config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
	* config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
	New multilib for -threads.
	* config/sparc/t-sol2: Added multilibs for -threads and
	made -pthreads alias to it.
	* config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
	Added -threads and -pthreads options.
	* libgcc-thr.h: New file.
	* libgcc2.c: (__get_cpp_eh_context): Removed.
	(struct cpp_eh_context): Removed.
	(struct eh_context): Replaced cpp_eh_context with generic language
	specific pointer.
	(__get_eh_info): New function.
	(__throw): Check eh_context::info.
	(__sjthrow): Ditto.
	* libgcc2.c: Include libgcc-thr.h.
	(new_eh_context, __get_eh_context,
	eh_pthread_initialize, eh_context_initialize, eh_context_static,
	eh_context_specific, eh_context_free): New functions.
	(get_eh_context, eh_context_key): New variables.
	(__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
	get_eh_context to get the context.
	(longjmp): Move the declaration inside
	#ifdef DONT_USE_BUILTIN_SETJMP.
	* frame.c: Include libgcc-thr.h.
	(object_mutex): Mutex to protect the object list.
	(find_fde, __register_frame, __register_frame_table,
	__deregister_frame): Hold the lock while accessing objects.
	* except.h (get_eh_context): Declare.
	* except.c (current_function_ehc): Define.
	(current_function_dhc, current_function_dcc): Removed.
	(get_eh_context): New function.
	(get_dynamic_handler_chain): Use get_eh_context.
	(get_saved_pc_ref): Ditto.
	(get_dynamic_cleanup_chain): Removed references to
	current_function_dcc.
	(save_eh_status, restore_eh_status): Save and restore
	current_function_ehc instead.
	* optabs.c (get_eh_context_libfunc): New variable.
	(init_optabs): Initialize it.
	* expr.h: Declare get_eh_context_libfunc.
	* function.h (struct function): Replaced dhc and dcc with ehc.
	* except.c (get_saved_pc_ref): New functions.
	(eh_saved_pc_rtx, eh_saved_pc): Deleted.
	(expand_internal_throw_indirect): Use get_saved_pc_ref() instead
	of eh_saved_pc.
	(end_eh_unwinder): Likewise.
	(init_eh): Remove initialization of eh_saved_pc.
	* optabs.c (get_saved_pc_libfunc): New variable.
	(init_optabs): Initialize it.
	* expr.h: Declare get_saved_pc_libfunc.
	* except.h (eh_saved_pc_rtx): Deleted.
	(get_saved_pc_ref): Declared.

	From Scott Snyder <snyder@d0sgif.fnal.gov>:
	* libgcc2.c (__get_saved_pc): New.
	(__eh_type, __eh_pc): Deleted.
	(__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
	(__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
	this fcn.

From-SVN: r17053
1997-12-11 23:54:37 -05:00
INSTALL Fix thinko. 1997-12-09 12:20:43 -07:00
config More stuff from Uli. 1997-09-16 10:11:13 -06:00
etc Makefile.in: Add --no-split argument to avoid creating files with names longer than 14... 1997-11-21 20:36:36 -07:00
gcc Thread-safe EH support for pthreads, DCE threads and Solaris threads. 1997-12-11 23:54:37 -05:00
include Initial revision 1997-08-21 18:57:35 -04:00
libiberty typo in last delta. 1997-12-04 22:55:31 -07:00
libio Bring over from changes from devo. 1997-12-11 11:46:55 -07:00
libstdc++ bastring.h: Move closer to the draft standard implementation of basic_string by adding 3... 1997-12-07 05:41:01 -05:00
texinfo release branch changes from 11-27 snapshot to egcs-1.0. 1997-12-05 15:13:17 -07:00
xiberty Initial revision 1997-08-21 18:57:35 -04:00
.cvsignore * .cvsignore (*-install): Remove. 1997-09-04 09:49:02 -06:00
COPYING Initial revision 1997-08-21 18:57:35 -04:00
COPYING.LIB Initial revision 1997-08-21 18:57:35 -04:00
ChangeLog release branch changes from 11-27 snapshot to egcs-1.0. 1997-12-05 15:13:17 -07:00
Makefile.in Makefile.in (INSTALL_TARGET_CROSS): Define. 1997-12-02 10:53:36 -07:00
README Initial revision 1997-08-21 18:57:35 -04:00
config-ml.in Initial revision 1997-08-21 18:57:35 -04:00
config.guess config.guess (alpha stuff): Merge with FSF to avoid incorrect guesses. 1997-11-26 16:54:57 -07:00
config.sub * config.sub: Accept 'amigados' for backward compatability. 1997-09-10 15:18:25 -06:00
configure release branch changes from 11-27 snapshot to egcs-1.0. 1997-12-05 15:13:17 -07:00
configure.in Bring in changes from release branch (egcs_ss_971127). 1997-12-01 10:45:00 -07:00
install-sh Initial revision 1997-08-21 18:57:35 -04:00
ltconfig Initial revision 1997-08-21 18:57:35 -04:00
ltmain.sh Initial revision 1997-08-21 18:57:35 -04:00
missing Initial revision 1997-08-21 18:57:35 -04:00
mkinstalldirs Initial revision 1997-08-21 18:57:35 -04:00
move-if-change Initial revision 1997-08-21 18:57:35 -04:00
mpw-README Initial revision 1997-08-21 18:57:35 -04:00
mpw-build.in Initial revision 1997-08-21 18:57:35 -04:00
mpw-config.in Initial revision 1997-08-21 18:57:35 -04:00
mpw-configure Initial revision 1997-08-21 18:57:35 -04:00
mpw-install ignored by import 1997-08-21 19:14:36 -04:00
symlink-tree Initial revision 1997-08-21 18:57:35 -04:00
ylwrap Initial revision 1997-08-21 18:57:35 -04:00

README

		   README for GNU development tools

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