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author | jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4> | 1997-12-12 04:53:20 +0000 |
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committer | jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4> | 1997-12-12 04:53:20 +0000 |
commit | 732992fad81a5d42283b07fd9442441acf685b5a (patch) | |
tree | b1e33498c494a6a7e60f2adbf6b766688bf20d7a /gcc/config/pa | |
parent | b35797d55be1fdfacd475669c1c78ce9c74513db (diff) | |
download | ppe42-gcc-732992fad81a5d42283b07fd9442441acf685b5a.tar.gz ppe42-gcc-732992fad81a5d42283b07fd9442441acf685b5a.zip |
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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@17052 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/pa')
-rw-r--r-- | gcc/config/pa/pa-hpux10.h | 11 | ||||
-rw-r--r-- | gcc/config/pa/pa.h | 7 | ||||
-rw-r--r-- | gcc/config/pa/t-pa | 6 |
3 files changed, 22 insertions, 2 deletions
diff --git a/gcc/config/pa/pa-hpux10.h b/gcc/config/pa/pa-hpux10.h index 9a2af5d578c..0cd59127f68 100644 --- a/gcc/config/pa/pa-hpux10.h +++ b/gcc/config/pa/pa-hpux10.h @@ -30,6 +30,17 @@ Boston, MA 02111-1307, USA. */ "-z %{mlinker-opt:-O} %{!shared:-u main} %{static:-a archive} %{shared:-b}" #endif +/* Like the default, except no -lg. */ +#undef LIB_SPEC +#define LIB_SPEC \ + "%{!shared:\ + %{!p:\ + %{!pg:\ + %{!threads:-lc}\ + %{threads:-lcma -lc_r}}\ + %{p: -L/lib/libp/ -lc}\ + %{pg: -L/lib/libp/ -lc}}}" + /* The hpux10 assembler requires a .LEVEL pseudo-op at the start of the assembly file. */ #undef ASM_FILE_START diff --git a/gcc/config/pa/pa.h b/gcc/config/pa/pa.h index c286fb9fa04..a127c84673d 100644 --- a/gcc/config/pa/pa.h +++ b/gcc/config/pa/pa.h @@ -241,9 +241,12 @@ extern int target_flags; #if ((TARGET_DEFAULT | TARGET_CPU_DEFAULT) & 1) == 0 #define CPP_SPEC "%{msnake:-D__hp9000s700 -D_PA_RISC1_1}\ %{mpa-risc-1-1:-D__hp9000s700 -D_PA_RISC1_1}\ - %{!ansi: -D_HPUX_SOURCE -D_HIUX_SOURCE}" + %{!ansi: -D_HPUX_SOURCE -D_HIUX_SOURCE}\ + %{threads:-D_REENTRANT -D_DCE_THREADS}" #else -#define CPP_SPEC "%{!mpa-risc-1-0:%{!mnosnake:%{!msoft-float:-D__hp9000s700 -D_PA_RISC1_1}}} %{!ansi: -D_HPUX_SOURCE -D_HIUX_SOURCE}" +#define CPP_SPEC "%{!mpa-risc-1-0:%{!mnosnake:%{!msoft-float:-D__hp9000s700 -D_PA_RISC1_1}}} \ + %{!ansi: -D_HPUX_SOURCE -D_HIUX_SOURCE}\ + %{threads:-D_REENTRANT -D_DCE_THREADS}" #endif /* Defines for a K&R CC */ diff --git a/gcc/config/pa/t-pa b/gcc/config/pa/t-pa index a359918a125..b6dcec1212e 100644 --- a/gcc/config/pa/t-pa +++ b/gcc/config/pa/t-pa @@ -16,3 +16,9 @@ ee_fp.asm: $(srcdir)/config/pa/ee_fp.asm cp $(srcdir)/config/pa/ee_fp.asm . TARGET_LIBGCC2_CFLAGS = -fPIC + +MULTILIB_OPTIONS = threads +MULTILIB_DIRNAMES = threads + +LIBGCC = stmp-multilib +INSTALL_LIBGCC = install-multilib |