1996-07-23 22:20:04 +02:00
|
|
|
/* Exception Handling interface routines.
|
cfgloop.h, [...]: Update copyright.
gcc/
* cfgloop.h, cfgloopanal.c, cpplex.c, except.h, loop-init.c,
loop-unroll.c, scan-decls.c, scan.h, stor-layout.c,
xcoffout.c, xcoffout.h, config/arm/mmintrin.h,
config/mips/linux64.h, config/pa/pa-64.h,
config/rs6000/aix51.h, config/rs6000/aix52.h,
config/rs6000/spe.md, config/sparc/linux.h,
config/sparc/linux64.h: Update copyright.
gcc/cp/
* cp-tree.def, cvt.c: Update copyright.
From-SVN: r78032
2004-02-18 16:05:17 +01:00
|
|
|
Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
|
2001-05-04 06:58:46 +02:00
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|
|
Free Software Foundation, Inc.
|
1996-07-23 22:20:04 +02:00
|
|
|
Contributed by Mike Stump <mrs@cygnus.com>.
|
|
|
|
|
Makefile.in, [...]: replace "GNU CC" with "GCC".
* Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
bitmap.h, builtin-types.def, builtins.c, builtins.def,
c-aux-info.c, c-common.c, c-common.def, c-common.h,
c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
conditions.h, config.gcc, configure.frag, configure.in,
conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
emit-rtl.c, errors.c, errors.h, except.c, except.h,
exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
gencheck.c, gencodes.c, genconfig.c, genemit.c,
genextract.c, genflags.c, gengenrtl.c, genmultilib,
genopinit.c, genoutput.c, genpeep.c, genrecog.c,
gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
params.h, predict.c, predict.def, predict.h, prefix.c,
prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
regclass.c, regmove.c, regrename.c, regs.h, reload.c,
reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
xcoffout.h: replace "GNU CC" with "GCC".
From-SVN: r45105
2001-08-22 16:35:51 +02:00
|
|
|
This file is part of GCC.
|
1996-07-23 22:20:04 +02:00
|
|
|
|
Makefile.in, [...]: replace "GNU CC" with "GCC".
* Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
bitmap.h, builtin-types.def, builtins.c, builtins.def,
c-aux-info.c, c-common.c, c-common.def, c-common.h,
c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
conditions.h, config.gcc, configure.frag, configure.in,
conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
emit-rtl.c, errors.c, errors.h, except.c, except.h,
exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
gencheck.c, gencodes.c, genconfig.c, genemit.c,
genextract.c, genflags.c, gengenrtl.c, genmultilib,
genopinit.c, genoutput.c, genpeep.c, genrecog.c,
gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
params.h, predict.c, predict.def, predict.h, prefix.c,
prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
regclass.c, regmove.c, regrename.c, regs.h, reload.c,
reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
xcoffout.h: replace "GNU CC" with "GCC".
From-SVN: r45105
2001-08-22 16:35:51 +02:00
|
|
|
GCC is free software; you can redistribute it and/or modify it under
|
|
|
|
the terms of the GNU General Public License as published by the Free
|
|
|
|
Software Foundation; either version 2, or (at your option) any later
|
|
|
|
version.
|
1996-07-23 22:20:04 +02:00
|
|
|
|
Makefile.in, [...]: replace "GNU CC" with "GCC".
* Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
bitmap.h, builtin-types.def, builtins.c, builtins.def,
c-aux-info.c, c-common.c, c-common.def, c-common.h,
c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
conditions.h, config.gcc, configure.frag, configure.in,
conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
emit-rtl.c, errors.c, errors.h, except.c, except.h,
exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
gencheck.c, gencodes.c, genconfig.c, genemit.c,
genextract.c, genflags.c, gengenrtl.c, genmultilib,
genopinit.c, genoutput.c, genpeep.c, genrecog.c,
gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
params.h, predict.c, predict.def, predict.h, prefix.c,
prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
regclass.c, regmove.c, regrename.c, regs.h, reload.c,
reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
xcoffout.h: replace "GNU CC" with "GCC".
From-SVN: r45105
2001-08-22 16:35:51 +02:00
|
|
|
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
|
for more details.
|
1996-07-23 22:20:04 +02:00
|
|
|
|
|
|
|
You should have received a copy of the GNU General Public License
|
Makefile.in, [...]: replace "GNU CC" with "GCC".
* Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
bitmap.h, builtin-types.def, builtins.c, builtins.def,
c-aux-info.c, c-common.c, c-common.def, c-common.h,
c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
conditions.h, config.gcc, configure.frag, configure.in,
conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
emit-rtl.c, errors.c, errors.h, except.c, except.h,
exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
gencheck.c, gencodes.c, genconfig.c, genemit.c,
genextract.c, genflags.c, gengenrtl.c, genmultilib,
genopinit.c, genoutput.c, genpeep.c, genrecog.c,
gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
params.h, predict.c, predict.def, predict.h, prefix.c,
prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
regclass.c, regmove.c, regrename.c, regs.h, reload.c,
reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
xcoffout.h: replace "GNU CC" with "GCC".
From-SVN: r45105
2001-08-22 16:35:51 +02:00
|
|
|
along with GCC; see the file COPYING. If not, write to the Free
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|
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|
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
|
|
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02111-1307, USA. */
|
1996-07-23 22:20:04 +02:00
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1998-05-14 15:39:15 +02:00
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|
2002-01-12 14:45:39 +01:00
|
|
|
struct function;
|
|
|
|
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struct inline_remap;
|
1996-09-15 02:44:58 +02:00
|
|
|
|
2001-03-28 13:04:51 +02:00
|
|
|
/* Per-function EH data. Used only in except.c, but GC and others
|
|
|
|
manipulate pointers to the opaque type. */
|
|
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|
struct eh_status;
|
1996-09-15 02:44:58 +02:00
|
|
|
|
2001-03-28 13:04:51 +02:00
|
|
|
/* Internal structure describing a region. */
|
|
|
|
struct eh_region;
|
except.c (func_eh_entry): Add emitted field.
2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
Andrew Haley <aph@cygnus.com>
* except.c (func_eh_entry): Add emitted field.
(new_eh_region_entry): Set emitted field to 0;
(output_exception_table_entry): Only emit previously un-emitted data,
and send it to the eh_data section.
(output_exception_table): Break out common parts. Output
exception table for entire compilation unit to eh_data section.
(output_exception_table_data): Common parts of output_exception_table.
Send output to eh_data section.
(output_function_exception_table): Output exception table data for
a single function to eh_data section.
(free_exception_table): New external to free the table.
* except.h (free_exception_table): Add prototype.
(output_function_exception_table): Add prototype.
* final.c (final_end_function): Output function exception table
for IA64_UNWIND_INFO.
(final_scan_insn): Emit any unwind directives for an insn.
* frame-dwarf2.c: New file containing all DWARF 2 specific code
from frame.c.
* frame.c: Remove all DWARF 2 specific code.
* config/ia64/frame-ia64.c: New file.
(gthread_stuff): Make all gthread available with
IA64_UNWIND_INFO.
(dwarf_fde): Define an IA64 struct for dwarf_fde.
(__register_frame_info, __register_frame): Move to common area of file.
(__register_frame_info_table, __register_frame_table): Move to common i
area.
(__deregister_frame_info, __deregister_frame): Move to common area.
(__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
(read_uleb128): New version for ia64.
(get_unwind_record): Read the next IA-64 unwind record.
(read_R_record): Read a region header record.
(process_a_b_reg_code): X record helper.
(read_X_record): Read an X format record.
(read_B_record): Read a B format record.
(P3_record_types): List of record types matching the P3 format.
(P7_record_types): List of record types matching the P7 format.
(P8_record_types): List of record types matching the P8 format.
(read_P_record): Read a P format record.
(init_ia64_reg_loc): Set default fields for a register.
(init_ia64_unwind_frame): Set defaults for all register records.
(execute_one_ia64_descriptor): Execute one descriptor record.
(rse_address_add): Calculate the position of a local reg in memory.
(normalize_reg_loc): Turn a location descriptor into a memory address.
(maybe_normalize_reg_loc): Only normalize a descriptor if it falls
within a specified PC offset range.
(get_real_reg_value): Given a register location, retrieve its value.
(set_real_reg_value): Change the value of a register location.
(copy_reg_value): Copy reg values, if needed.
(copy_saved_reg_state): Copy all registers that need to be copied.
(process_state_between): Normalize all frame register records that
fall within the specified PC range.
(frame_translate): Take a processed frame description, and turn
everything into addresses.
(build_ia64_frame_state ): Find and create frame state record for a PC.
(get_personality): Get the personality routine for a given frame.
(get_except_table): Get the exception table for a given frame.
(record_name): Unwind record names for debugging.
(print_record): Print and unwind record.
(print_all_records): Print an entire unwind image.
(__ia64_backtrace): Print a backtrace.
(ia64_backtrace_helper): New function.
(__register_frame_info_aux): New function.
* config/ia64/crtend.asm (__do_frame_setup_aux): New function.
* frame.h (enum unw_record_type): New unwind record types.
(struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
(struct unw_r_record, unwind_record): New unwind record structs.
(struct unwind_info_ptr): Unwind information layout.
(IA64_UNW_LOC_TYPE_*): Macros for different types for location
descriptors.
(struct ia64_reg_loc): Register location description.
(struct ia64_frame_state): Location of all registers in a frame.
(struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
* libgcc2.c (__ia64_personality_v1): Personality routine.
(__calc_caller_bsp): Calculate the bsp register for the caller's
frame.
(ia64_throw_helper): Figure out who to return to and set up the
registers.
(__throw): Throw routine.
* output.h (assemble_eh_align, assemble_eh_label): New functions
to generate EH info where we want it.
(assemble_eh_integer): New function.
* toplev.c (compile_file): Output module level exception table for
non-ia64 targets.
(main): Set exceptions_via_longjump and flag_new_exceptions based
on IA64_UNWIND_INFO too.
* varasm.c (assemble_eh_label): Generate a label via
ASM_OUTPUT_EH_LABEL if it has been specified.
(assemble_eh_align): Generate an alignment directive via
ASM_OUTPUT_EH_ALIGN if it has been specified.
(assemble_eh_label): Generate an integer value via
ASM_OUTPUT_EH_type if they have been specified.
* config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
(ia64_init_builtins): Add __builtin_ia64_bsp
and __builtin_ia64_flushrs.
(ia64_expand_builtin): Add IA64_BUILTIN_BSP and
IA64_BUILTIN_FLUSHRS.
* config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
IA64_BUILTIN_FLUSHRS.
* config/ia64/ia64.md (flushrs): New insn to flush the register
stack. Add to unspec list.
* config/ia64/crtbegin.asm (frame_object): Change size.
(__do_frame_setup_aux): New function.
* config/ia64/crtend.asm: call __do_frame_setup_aux.
* config/ia64/t-ia64 (LIB2ADDEH): Add.
* Makefile.in (LIB2ADDEH): Add.
(LIB2ADD): Use LIB2ADDEH.
Co-Authored-By: Andrew Haley <aph@cygnus.com>
From-SVN: r34169
2000-05-25 17:21:51 +02:00
|
|
|
|
2001-03-28 13:04:51 +02:00
|
|
|
/* Test: is exception handling turned on? */
|
2003-06-29 18:21:58 +02:00
|
|
|
extern int doing_eh (int);
|
except.c (func_eh_entry): Add emitted field.
2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
Andrew Haley <aph@cygnus.com>
* except.c (func_eh_entry): Add emitted field.
(new_eh_region_entry): Set emitted field to 0;
(output_exception_table_entry): Only emit previously un-emitted data,
and send it to the eh_data section.
(output_exception_table): Break out common parts. Output
exception table for entire compilation unit to eh_data section.
(output_exception_table_data): Common parts of output_exception_table.
Send output to eh_data section.
(output_function_exception_table): Output exception table data for
a single function to eh_data section.
(free_exception_table): New external to free the table.
* except.h (free_exception_table): Add prototype.
(output_function_exception_table): Add prototype.
* final.c (final_end_function): Output function exception table
for IA64_UNWIND_INFO.
(final_scan_insn): Emit any unwind directives for an insn.
* frame-dwarf2.c: New file containing all DWARF 2 specific code
from frame.c.
* frame.c: Remove all DWARF 2 specific code.
* config/ia64/frame-ia64.c: New file.
(gthread_stuff): Make all gthread available with
IA64_UNWIND_INFO.
(dwarf_fde): Define an IA64 struct for dwarf_fde.
(__register_frame_info, __register_frame): Move to common area of file.
(__register_frame_info_table, __register_frame_table): Move to common i
area.
(__deregister_frame_info, __deregister_frame): Move to common area.
(__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
(read_uleb128): New version for ia64.
(get_unwind_record): Read the next IA-64 unwind record.
(read_R_record): Read a region header record.
(process_a_b_reg_code): X record helper.
(read_X_record): Read an X format record.
(read_B_record): Read a B format record.
(P3_record_types): List of record types matching the P3 format.
(P7_record_types): List of record types matching the P7 format.
(P8_record_types): List of record types matching the P8 format.
(read_P_record): Read a P format record.
(init_ia64_reg_loc): Set default fields for a register.
(init_ia64_unwind_frame): Set defaults for all register records.
(execute_one_ia64_descriptor): Execute one descriptor record.
(rse_address_add): Calculate the position of a local reg in memory.
(normalize_reg_loc): Turn a location descriptor into a memory address.
(maybe_normalize_reg_loc): Only normalize a descriptor if it falls
within a specified PC offset range.
(get_real_reg_value): Given a register location, retrieve its value.
(set_real_reg_value): Change the value of a register location.
(copy_reg_value): Copy reg values, if needed.
(copy_saved_reg_state): Copy all registers that need to be copied.
(process_state_between): Normalize all frame register records that
fall within the specified PC range.
(frame_translate): Take a processed frame description, and turn
everything into addresses.
(build_ia64_frame_state ): Find and create frame state record for a PC.
(get_personality): Get the personality routine for a given frame.
(get_except_table): Get the exception table for a given frame.
(record_name): Unwind record names for debugging.
(print_record): Print and unwind record.
(print_all_records): Print an entire unwind image.
(__ia64_backtrace): Print a backtrace.
(ia64_backtrace_helper): New function.
(__register_frame_info_aux): New function.
* config/ia64/crtend.asm (__do_frame_setup_aux): New function.
* frame.h (enum unw_record_type): New unwind record types.
(struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
(struct unw_r_record, unwind_record): New unwind record structs.
(struct unwind_info_ptr): Unwind information layout.
(IA64_UNW_LOC_TYPE_*): Macros for different types for location
descriptors.
(struct ia64_reg_loc): Register location description.
(struct ia64_frame_state): Location of all registers in a frame.
(struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
* libgcc2.c (__ia64_personality_v1): Personality routine.
(__calc_caller_bsp): Calculate the bsp register for the caller's
frame.
(ia64_throw_helper): Figure out who to return to and set up the
registers.
(__throw): Throw routine.
* output.h (assemble_eh_align, assemble_eh_label): New functions
to generate EH info where we want it.
(assemble_eh_integer): New function.
* toplev.c (compile_file): Output module level exception table for
non-ia64 targets.
(main): Set exceptions_via_longjump and flag_new_exceptions based
on IA64_UNWIND_INFO too.
* varasm.c (assemble_eh_label): Generate a label via
ASM_OUTPUT_EH_LABEL if it has been specified.
(assemble_eh_align): Generate an alignment directive via
ASM_OUTPUT_EH_ALIGN if it has been specified.
(assemble_eh_label): Generate an integer value via
ASM_OUTPUT_EH_type if they have been specified.
* config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
(ia64_init_builtins): Add __builtin_ia64_bsp
and __builtin_ia64_flushrs.
(ia64_expand_builtin): Add IA64_BUILTIN_BSP and
IA64_BUILTIN_FLUSHRS.
* config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
IA64_BUILTIN_FLUSHRS.
* config/ia64/ia64.md (flushrs): New insn to flush the register
stack. Add to unspec list.
* config/ia64/crtbegin.asm (frame_object): Change size.
(__do_frame_setup_aux): New function.
* config/ia64/crtend.asm: call __do_frame_setup_aux.
* config/ia64/t-ia64 (LIB2ADDEH): Add.
* Makefile.in (LIB2ADDEH): Add.
(LIB2ADD): Use LIB2ADDEH.
Co-Authored-By: Andrew Haley <aph@cygnus.com>
From-SVN: r34169
2000-05-25 17:21:51 +02:00
|
|
|
|
2003-04-22 07:44:12 +02:00
|
|
|
/* Note that the current EH region (if any) may contain a throw, or a
|
|
|
|
call to a function which itself may contain a throw. */
|
2004-05-13 08:41:07 +02:00
|
|
|
extern void note_eh_region_may_contain_throw (struct eh_region *);
|
|
|
|
extern void note_current_region_may_contain_throw (void);
|
2003-04-22 07:44:12 +02:00
|
|
|
|
2002-04-10 02:15:58 +02:00
|
|
|
/* Invokes CALLBACK for every exception handler label. Only used by old
|
|
|
|
loop hackery; should not be used by new code. */
|
2003-06-29 18:21:58 +02:00
|
|
|
extern void for_each_eh_label (void (*) (rtx));
|
1996-07-23 22:20:04 +02:00
|
|
|
|
2004-06-04 14:31:26 +02:00
|
|
|
/* Invokes CALLBACK for every exception region in the current function. */
|
|
|
|
extern void for_each_eh_region (void (*) (struct eh_region *));
|
|
|
|
|
2000-05-26 01:43:43 +02:00
|
|
|
/* Determine if the given INSN can throw an exception. */
|
2004-05-13 08:41:07 +02:00
|
|
|
extern bool can_throw_internal_1 (int);
|
2003-06-29 18:21:58 +02:00
|
|
|
extern bool can_throw_internal (rtx);
|
2004-05-13 08:41:07 +02:00
|
|
|
extern bool can_throw_external_1 (int);
|
2003-06-29 18:21:58 +02:00
|
|
|
extern bool can_throw_external (rtx);
|
2000-05-26 01:43:43 +02:00
|
|
|
|
explow.c (optimize_save_area_alloca): Do not accept parameters.
2004-07-08 Paolo Bonzini <bonzini@gnu.org>
* explow.c (optimize_save_area_alloca): Do not accept parameters.
* passes.c (rest_of_handle_final): Handle symout.
(rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
Push timevar here.
(rest_of_handle_sched): Break out SMS. Remove ifs for
flag_schedule_insns and flag_modulo_sched.
(rest_of_handle_addressof, rest_of_handle_cse2): Garbage
collect at the end.
(rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
(rest_of_handle_partition_blocks, rest_of_handle_sms,
rest_of_handle_if_after_reload, rest_of_handle_peephole2,
rest_of_handle_mode_switching, rest_of_handle_jump,
rest_of_handle_guess_branch_prob, rest_of_handle_eh,
rest_of_handle_jump2, rest_of_handle_postreload,
rest_of_handle_flow2, rest_of_clean_state,
rest_of_handle_shorten_branches,
rest_of_handle_prologue_epilogue,
rest_of_handle_branch_target_load_optimize): New.
(rest_of_compilation): Call the above. Remove ggc_collect
calls moved to rest_of_handle_*.
* rtl.h (optimize_save_area_alloca): Do not accept parameters.
* dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
* except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
* except.h (set_nothrow_function_flags): Update comment.
* function.c (current_function_nothrow): Remove.
* output.h (current_function_nothrow): Remove.
* passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
* config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
From-SVN: r84274
2004-07-08 09:42:02 +02:00
|
|
|
/* Set TREE_NOTHROW and cfun->all_throwers_are_sibcalls. */
|
2003-06-29 18:21:58 +02:00
|
|
|
extern void set_nothrow_function_flags (void);
|
2000-03-09 20:01:47 +01:00
|
|
|
|
2001-03-28 13:04:51 +02:00
|
|
|
/* After initial rtl generation, call back to finish generating
|
|
|
|
exception support code. */
|
2003-06-29 18:21:58 +02:00
|
|
|
extern void finish_eh_generation (void);
|
2000-03-09 20:01:47 +01:00
|
|
|
|
2003-06-29 18:21:58 +02:00
|
|
|
extern void init_eh (void);
|
|
|
|
extern void init_eh_for_function (void);
|
1996-09-15 02:44:58 +02:00
|
|
|
|
2003-06-29 18:21:58 +02:00
|
|
|
extern rtx reachable_handlers (rtx);
|
|
|
|
extern void maybe_remove_eh_handler (rtx);
|
1997-04-23 22:04:25 +02:00
|
|
|
|
2003-06-29 18:21:58 +02:00
|
|
|
extern void convert_from_eh_region_ranges (void);
|
|
|
|
extern void convert_to_eh_region_ranges (void);
|
|
|
|
extern void find_exception_handler_labels (void);
|
|
|
|
extern bool current_function_has_exception_handlers (void);
|
|
|
|
extern void output_function_exception_table (void);
|
[multiple changes]
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
1997-12-12 05:53:20 +01:00
|
|
|
|
2003-06-29 18:21:58 +02:00
|
|
|
extern void expand_builtin_unwind_init (void);
|
|
|
|
extern rtx expand_builtin_eh_return_data_regno (tree);
|
|
|
|
extern rtx expand_builtin_extract_return_addr (tree);
|
|
|
|
extern void expand_builtin_init_dwarf_reg_sizes (tree);
|
|
|
|
extern rtx expand_builtin_frob_return_addr (tree);
|
|
|
|
extern rtx expand_builtin_dwarf_sp_column (void);
|
|
|
|
extern void expand_builtin_eh_return (tree, tree);
|
|
|
|
extern void expand_eh_return (void);
|
2004-02-09 22:18:45 +01:00
|
|
|
extern rtx expand_builtin_extend_pointer (tree);
|
2003-06-29 18:21:58 +02:00
|
|
|
extern rtx get_exception_pointer (struct function *);
|
2004-05-13 08:41:07 +02:00
|
|
|
extern rtx get_exception_filter (struct function *);
|
2003-06-29 18:21:58 +02:00
|
|
|
extern int duplicate_eh_regions (struct function *, struct inline_remap *);
|
2004-05-13 08:41:07 +02:00
|
|
|
extern int check_handled (tree, tree);
|
1997-04-23 22:04:25 +02:00
|
|
|
|
2003-06-29 18:21:58 +02:00
|
|
|
extern void sjlj_emit_function_exit_after (rtx);
|
1997-04-23 22:04:25 +02:00
|
|
|
|
2004-05-13 08:41:07 +02:00
|
|
|
extern struct eh_region *gen_eh_region_cleanup (struct eh_region *,
|
|
|
|
struct eh_region *);
|
|
|
|
extern struct eh_region *gen_eh_region_try (struct eh_region *);
|
|
|
|
extern struct eh_region *gen_eh_region_catch (struct eh_region *, tree);
|
|
|
|
extern struct eh_region *gen_eh_region_allowed (struct eh_region *, tree);
|
|
|
|
extern struct eh_region *gen_eh_region_must_not_throw (struct eh_region *);
|
|
|
|
extern int get_eh_region_number (struct eh_region *);
|
|
|
|
extern bool get_eh_region_may_contain_throw (struct eh_region *);
|
|
|
|
extern tree get_eh_region_tree_label (struct eh_region *);
|
|
|
|
extern void set_eh_region_tree_label (struct eh_region *, tree);
|
|
|
|
|
|
|
|
extern void foreach_reachable_handler (int, bool,
|
|
|
|
void (*) (struct eh_region *, void *),
|
|
|
|
void *);
|
|
|
|
|
|
|
|
extern void collect_eh_region_array (void);
|
|
|
|
extern void expand_resx_expr (tree);
|
|
|
|
|
|
|
|
/* tree-eh.c */
|
|
|
|
extern int lookup_stmt_eh_region (tree);
|
1999-12-12 19:32:36 +01:00
|
|
|
|
2001-05-17 20:12:27 +02:00
|
|
|
/* If non-NULL, this is a function that returns an expression to be
|
ChangeLog.0, [...]: Fix spelling errors.
* ChangeLog.0, ChangeLog.2, ChangeLog.3, ChangeLog.4, ChangeLog,
FSFChangeLog.10, c-decl.c, cppfiles.c, cppinit.c, cpplex.c,
cpplib.c, cppmain.c, cse.c, df.c, diagnostic.c, dominance.c,
dwarf2out.c, dwarfout.c, emit-rtl.c, errors.c, except.c, except.h,
explow.c, function.c, gcse.c, genrecog.c, predict.c, regmove.c,
sched-rgn.c, ssa-ccp.c, stmt.c, toplev.c: Fix spelling errors.
From-SVN: r47279
2001-11-23 03:05:19 +01:00
|
|
|
executed if an unhandled exception is propagated out of a cleanup
|
2001-05-17 20:12:27 +02:00
|
|
|
region. For example, in C++, an exception thrown by a destructor
|
|
|
|
during stack unwinding is required to result in a call to
|
|
|
|
`std::terminate', so the C++ version of this function returns a
|
|
|
|
CALL_EXPR for `std::terminate'. */
|
2003-06-29 18:21:58 +02:00
|
|
|
extern tree (*lang_protect_cleanup_actions) (void);
|
1999-12-12 19:32:36 +01:00
|
|
|
|
2001-03-28 13:04:51 +02:00
|
|
|
/* Return true if type A catches type B. */
|
2003-06-29 18:21:58 +02:00
|
|
|
extern int (*lang_eh_type_covers) (tree a, tree b);
|
1997-04-23 22:04:25 +02:00
|
|
|
|
2001-03-28 13:04:51 +02:00
|
|
|
/* Map a type to a runtime object to match type. */
|
2003-06-29 18:21:58 +02:00
|
|
|
extern tree (*lang_eh_runtime_type) (tree);
|
1997-04-23 22:04:25 +02:00
|
|
|
|
2001-03-28 07:24:24 +02:00
|
|
|
|
|
|
|
/* Just because the user configured --with-sjlj-exceptions=no doesn't
|
|
|
|
mean that we can use call frame exceptions. Detect that the target
|
|
|
|
has appropriate support. */
|
|
|
|
|
2003-10-01 20:54:46 +02:00
|
|
|
#ifndef MUST_USE_SJLJ_EXCEPTIONS
|
|
|
|
# if !(defined (EH_RETURN_DATA_REGNO) \
|
2001-05-12 08:03:20 +02:00
|
|
|
&& (defined (IA64_UNWIND_INFO) \
|
2001-07-07 01:13:42 +02:00
|
|
|
|| (DWARF2_UNWIND_INFO \
|
2001-05-12 08:03:20 +02:00
|
|
|
&& (defined (EH_RETURN_HANDLER_RTX) \
|
|
|
|
|| defined (HAVE_eh_return)))))
|
2003-10-01 20:54:46 +02:00
|
|
|
# define MUST_USE_SJLJ_EXCEPTIONS 1
|
2003-09-23 21:29:56 +02:00
|
|
|
# else
|
2003-10-01 20:54:46 +02:00
|
|
|
# define MUST_USE_SJLJ_EXCEPTIONS 0
|
2003-09-23 21:29:56 +02:00
|
|
|
# endif
|
2001-03-28 13:04:51 +02:00
|
|
|
#endif
|
|
|
|
|
2001-03-28 07:24:24 +02:00
|
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#ifdef CONFIG_SJLJ_EXCEPTIONS
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# if CONFIG_SJLJ_EXCEPTIONS == 1
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# define USING_SJLJ_EXCEPTIONS 1
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# endif
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# if CONFIG_SJLJ_EXCEPTIONS == 0
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# define USING_SJLJ_EXCEPTIONS 0
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2001-03-28 13:04:51 +02:00
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# ifndef EH_RETURN_DATA_REGNO
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#error "EH_RETURN_DATA_REGNO required"
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# endif
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# if !defined(EH_RETURN_HANDLER_RTX) && !defined(HAVE_eh_return)
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#error "EH_RETURN_HANDLER_RTX or eh_return required"
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# endif
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2001-03-28 07:24:24 +02:00
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# if !defined(DWARF2_UNWIND_INFO) && !defined(IA64_UNWIND_INFO)
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#error "{DWARF2,IA64}_UNWIND_INFO required"
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# endif
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# endif
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#else
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2001-03-28 13:04:51 +02:00
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# define USING_SJLJ_EXCEPTIONS MUST_USE_SJLJ_EXCEPTIONS
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2001-03-28 07:24:24 +02:00
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#endif
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