154bba13a4
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.
cp/:
Thu Dec 11 20:43:33 1997 Teemu Torma <tot@trema.com>
* decl.c (ptr_ptr_type_node): Define.
(init_decl_processing): Initialize it.
* cp-tree.h: Declare it.
* exception.cc (__cp_exception_info): Use __get_eh_info.
(__cp_push_exception): Ditto.
(__cp_pop_exception): Ditto.
From Scott Snyder <snyder@d0sgif.fnal.gov>:
* except.c (expand_builtin_throw): Use get_saved_pc_ref instead of
saved_pc.
(init_exception_processing): Removed saved_pc initialization.
From-SVN: r17052
86 lines
2.9 KiB
C
86 lines
2.9 KiB
C
/* Definitions of target machine for GNU compiler, for HP PA-RISC 1.1
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Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
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Contributed by Tim Moore (moore@defmacro.cs.utah.edu)
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* We can debug dynamically linked executables on hpux9; we also want
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dereferencing of a NULL pointer to cause a SEGV. */
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#undef LINK_SPEC
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#if ((TARGET_DEFAULT | TARGET_CPU_DEFAULT) & 1)
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#define LINK_SPEC \
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"%{!mpa-risc-1-0:%{!shared:-L/lib/pa1.1 -L/usr/lib/pa1.1 }} -z %{mlinker-opt:-O} %{!shared:-u main} %{static:-a archive} %{shared:-b}"
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#else
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#define LINK_SPEC \
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"-z %{mlinker-opt:-O} %{!shared:-u main} %{static:-a archive} %{shared:-b}"
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#endif
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/* Like the default, except no -lg. */
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#undef LIB_SPEC
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#define LIB_SPEC \
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"%{!shared:\
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%{!p:\
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%{!pg:\
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%{!threads:-lc}\
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%{threads:-lcma -lc_r}}\
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%{p: -L/lib/libp/ -lc}\
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%{pg: -L/lib/libp/ -lc}}}"
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/* The hpux10 assembler requires a .LEVEL pseudo-op at the start of
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the assembly file. */
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#undef ASM_FILE_START
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#define ASM_FILE_START(FILE) \
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do { \
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if (TARGET_SNAKE) \
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fputs("\t.LEVEL 1.1\n", FILE); \
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else \
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fputs("\t.LEVEL 1.0\n", FILE); \
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fputs ("\t.SPACE $PRIVATE$\n\
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\t.SUBSPA $DATA$,QUAD=1,ALIGN=8,ACCESS=31\n\
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\t.SUBSPA $BSS$,QUAD=1,ALIGN=8,ACCESS=31,ZERO,SORT=82\n\
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\t.SPACE $TEXT$\n\
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\t.SUBSPA $LIT$,QUAD=0,ALIGN=8,ACCESS=44\n\
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\t.SUBSPA $CODE$,QUAD=0,ALIGN=8,ACCESS=44,CODE_ONLY\n\
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\t.IMPORT $global$,DATA\n\
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\t.IMPORT $$dyncall,MILLICODE\n", FILE);\
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if (profile_flag)\
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fprintf (FILE, "\t.IMPORT _mcount, CODE\n");\
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if (write_symbols != NO_DEBUG) \
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output_file_directive ((FILE), main_input_filename); \
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} while (0)
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/* Under hpux10, the normal location of the `ld' and `as' programs is the
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/usr/ccs/bin directory. */
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#ifndef CROSS_COMPILE
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#undef MD_EXEC_PREFIX
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#define MD_EXEC_PREFIX "/usr/ccs/bin/"
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#endif
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/* Under hpux10, the normal location of the various *crt*.o files is the
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/usr/ccs/lib directory. */
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#ifndef CROSS_COMPILE
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#undef MD_STARTFILE_PREFIX
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#define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
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#endif
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/* hpux10 has the new HP assembler. It's still lousy, but it's a whole lot
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better than the assembler shipped with older versions of hpux. */
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#define NEW_HP_ASSEMBLER
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