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* frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
* config/ia64/frame-ia64.c (__get_personality): Return zero if neither
EHANDLER nor UHANDLER bit is set.
(__get_except_table): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35922 138bc75d-0d04-0410-961f-82ee72b054a4
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* libgcc2.c (ia64_throw_helper): Add throw_sp argument.
(__throw): Pass it in. Don't clobber r7.
* config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
(execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
and nothing to do with sp.
(normalize_reg_loc): Use frame->my_psp.
(frame_translate): Handle frame-pointer-less functions. Set
spill_base correctly, in absence of being told.
(__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
(__ia64_backtrace_helper): New sp argument. Use
builtin_return_address instead of label addresses.
(print_record) [mem_stack_v]: No size member.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35565 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34864 138bc75d-0d04-0410-961f-82ee72b054a4
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DW_CFA_def_cfa_expression.
* dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
dw_loc_descr_struct entry.
(struct cfa_loc): New structure to track a CFA location.
(lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
(lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
offset, plus handle DW_CFA_def_cfa_expression.
(def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
cfa_loc record.
(dwarf2out_def_cfa): Entry point maintained for compatability.
(dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
(cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
(cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
(initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
cfa_reg.
(dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
sequences for the new DW_CFA_def_cfa_expression record.
(dwarf2out_frame_debug): Use new variables/fields.A
(output_cfi): Handle DW_CFA_def_cfa_expression.
(output_cfa_loc): New function to generate a CFI record for
DW_CFA_def_cfa_expression.
(get_cfa_from_loc_descr): New function to get a cfa_loc record from
a dw_loc_descr sequeunce.
(build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
(dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
size_of_locs, output_loc_operands, output_loc_sequence): Move into
unwind info section.
* frame.h (frame_state): Add base_offset and indirect fields.
* frame-dwarf2.c (decode_stack_op): New function to interpret a
dw_loc_descr operation.
(execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
(struct frame_state): Add base offset and indirect fields.
* libgcc2.c (next_stack_level): Support indirect loading for CFA.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34717 138bc75d-0d04-0410-961f-82ee72b054a4
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* frame.h (struct unwind_info_ptr): Collapse version, flags, and length
fields into header field.
(IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
macros to access length, flags, and version info from header field.
* config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
...
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34441 138bc75d-0d04-0410-961f-82ee72b054a4
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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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34169 138bc75d-0d04-0410-961f-82ee72b054a4
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* config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
* config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
* frame.h (frame_state): Revert last change.
* frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
* libgcc2.c (throw_helper): Revert last change.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32705 138bc75d-0d04-0410-961f-82ee72b054a4
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* config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
(DWARF_FRAME_RETURN_COLUMN): Define.
* config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
REG_FRAME_RELATED_EXPR note.
(emit_sfm): Likewise.
(arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
* dwarf2out.c (reg_save): Handle saving a register to itself.
(dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
* except.c (eh_regs): Don't use the static chain reg if it's
callee-saved.
* frame.h (frame_state): Add cfa_saved field.
* frame.c (execute_cfa_insn): Set it.
* libgcc2.c (throw_helper): Don't adjust sp if it's restored in
the epilogue.
* function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
Now takes a parm.
(instantiate_virtual_regs): Adjust.
* tm.texi: Adjust.
* config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
* config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
* config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
* dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
(initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32696 138bc75d-0d04-0410-961f-82ee72b054a4
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* config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
value of FIRST_PSEUDO_REGISTER.
* frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
(struct frame_state): Use DWARF_FRAME_REGISTERS.
* dwarfout.c (output_reg_number): Ditto.
* dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
(DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31127 138bc75d-0d04-0410-961f-82ee72b054a4
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* defaults.h (TARGET_ATTRIBUTE_WEAK): Define.
* crtstuff.c (__register_frame_info, __deregister_frame_info): Declare
using TARGET_WEAK_ATTRIBUTE.
(__do_global_dtors_aux): Check if __deregister_frame_info is
zero before calling it.
(__do_global_dtors): Likewise.
(frame_dummy): Check if __register_frame_info is zero before
calling it.
(__frame_dummy): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@25487 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@24535 138bc75d-0d04-0410-961f-82ee72b054a4
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__deregister_frame): New.
* frame.c (__register_frame, __register_frame_table,
__deregister_frame): New.
* frame.c (__deregister_frame_info): Return void *.
* frame.h (__deregister_frame_info): Ditto.
* collect2.c (__deregister_frame_info): Ditto.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@17113 138bc75d-0d04-0410-961f-82ee72b054a4
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Mirror sched.c change into haifa-sched.c
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@17097 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@16987 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@15257 138bc75d-0d04-0410-961f-82ee72b054a4
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