gcc
* dwarf2.h: Remove.
* Makefile.in (DWARF2_H): New variable.
(except.o): Use it.
(dwarf2out.o): Likewise.
(dwarf2asm.o): Likewise.
* config/i386/t-i386: Use DWARF2_H.
* except.c: Include elf/dwarf2.h.
* unwind-dw2.c: Include elf/dwarf2.h.
* dwarf2out.c: Include elf/dwarf2.h.
(dw_loc_descr_struct) <dw_loc_opc>: Now a bitfield.
<dtprel>: New field.
(dwarf_stack_op_name): Don't handle INTERNAL_DW_OP_tls_addr.
(size_of_loc_descr): Likewise.
(output_loc_operands_raw): Likewise.
(output_loc_operands): Handle new dtprel field.
(loc_checksum): Update.
(loc_descriptor_from_tree_1) <VAR_DDECL>: Set dtprel field.
* unwind-dw2-fde-glibc.c: Include elf/dwarf2.h.
* unwind-dw2-fde.c: Include elf/dwarf2.h.
* dwarf2asm.c: Include elf/dwarf2.h.
* unwind-dw2-fde-darwin.c: Include elf/dwarf2.h.
* config/mmix/mmix.c: Include elf/dwarf2.h.
* config/rs6000/darwin-fallback.c: Include elf/dwarf2.h.
* config/xtensa/unwind-dw2-xtensa.c: Include elf/dwarf2.h.
* config/sh/sh.c: Include elf/dwarf2.h.
* config/i386/i386.c: Include elf/dwarf2.h.
gcc/ada
* raise-gcc.c: Include elf/dwarf2.h.
include
* elf/dwarf2.h: New file. Merged with gdb.
From-SVN: r149070
2005-12-15 Andrew Haley <aph@redhat.com>
* unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
against prev_cache_entry == NULL when moving a cache entry to the
head of the list.
From-SVN: r108582
* Makefile.in (cs-tconfig.h): Pass USED_FOR_TARGET to mkconfig.sh
* aclocal.m4 (GCC_TARGET_TEMPLATE, AH_TEMPLATE): New.
* configure.ac (enable_checking): Fix typos in runtime_checking.
(ENABLE_RUNTIME_CHECKING): Mark as target template.
(xm_file): Prepend auto-host.h
(HAVE_GAS_HIDDEN, HAVE_LD_EH_FRAME_HDR): Mark as target template.
* mkconfig.sh: Do not automatically define USED_FOR_TARGET in
tconfig.h.
* crtstuff.c: Do not include auto-host.h.
(IN_LIBGCC2): Do not define.
* gcov-io.h: Include tconfig.h, not auto-host.h.
* libgcc2.c: Do not include auto-host.h.
(abort): Do not undefine.
* libgcov.c: Remove unneeded comment about config.h.
* unwind-dw2-fde-glibc.c: Do not inlude auto-host.h.
* config.in, configure: Regenerated.
Co-Authored-By: Paolo Bonzini <bonzini@gnu.org>
From-SVN: r99386
2004-02-05 Alexandre Oliva <aoliva@redhat.com>
* config/frv/frv.c (frv_emit_movsi): Use GOT relocations for
symbols in sections named by the user.
2004-01-30 Alexandre Oliva <aoliva@redhat.com>
* config/frv/linux.h (TARGET_OS_CPP_BUILTINS): New.
2004-01-27 Alexandre Oliva <aoliva@redhat.com>
* config.gcc (frv-*-*linux*): Handle like *-*-linux*.
* config/frv/t-linux (EXTRA_MULTILIB_PARTS): Remove, obviated by
the above.
2004-01-20 Alexandre Oliva <aoliva@redhat.com>
* config/frv/frv.md (symGOT2reg_hilo, symGOTOFF2reg_hilo): Add
one more pseudo to further improve code generation.
2004-01-19 Alexandre Oliva <aoliva@redhat.com>
* config/frv/frv.md (movdi_ldd): Introduce explicit indirection
inside UNSPEC.
2004-01-16 Alexandre Oliva <aoliva@redhat.com>
* config/frv/frv.c (frv_legitimate_address_p): Added
allow_double_reg_p argument. Adjust all callers. Use it to
decide whether to enable double-register indirect addressing.
(frv_funcdesc_alias_set): Remove.
(frv_expand_fdpic_call): Force non-SYMBOL_REF operand into
register. Emit movdi_ldd.
(ldd_address_operand): New.
* config/frv/frv-protos.h (frv_legitimate_address_p): Adjust.
* config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
(PREDICATE_CODES): Add ldd_address_operand.
* config/frv/frv.md (movdi_ldd): New.
(symGOT2reg_hilo, symGOTOFF2reg_hilo): Use separate pseudo for
intermediate computations if possible.
(symGOTOFF2reg_i): Fix harmless typo.
2003-12-18 Alexandre Oliva <aoliva@redhat.com>
* unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Cast
relocated p_vaddr to vaddr type.
* config/frv/frv-protos.h (frv_expand_fdpic_call): Return void.
* config/frv/frv.c (frv_get_funcdesc_alias_set): New.
(frv_expand_fdpic_call): Propagate incoming MEM's expr to funcdesc
MEM, or use a funcdesc alias set. Use regular move instead of
ldd.
(dbl_memory_one_insn_operand): Recognize function descriptors by
type or by alias set, and don't split them.
* config/frv/frv.md (call, call_value): Never use call_internal
for fdpic.
(call_internal, call_value_internal): Never match for FDPIC.
(call_fdpicdi, call_fdpicsi, call_value_fdpicdi,
call_value_fdpicsi): Require FDPIC.
(ldd): Removed.
2003-12-17 Alexandre Oliva <aoliva@redhat.com>
* config/frv/frv.h (CRT_GET_RFIB_DATA): Define for __FRV_FDPIC__.
* unwind-dw2-fde-glibc.c: Don't include elf-fdpic.h any more.
(_Unwind_IteratePhdrCallback): Adjust type of load_base for FRV
FDPIC. Compute data base address.
* config/frv/linux.h (SUBTARGET_DRIVER_SELF_SPECS): Enable -mfdpic
before the other self-specs are processed.
* config/frv/t-linux (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS):
Build with -fPIC.
2003-12-15 Alexandre Oliva <aoliva@redhat.com>
* unwind-dw2-fde-glibc.c: Don't include bits/elf-fdpic.h if
inhibit_libc is defined.
2003-12-12 Alexandre Oliva <aoliva@redhat.com>
* unwind-dw2-fde-glibc.c: Include bits/elf-fdpic.h for
__FRV_FDPIC__.
(__RELOC_POINTER): Define.
(_Unwind_IteratePhdrCallback): Use it.
* config/frv/frv.h (Twrite): Define.
(TRANSFER_FROM_TRAMPOLINE): Use it.
* config/frv/linux.h (INVOKE__main): Undefine.
(Twrite): Override.
2003-12-05 Richard Sandiford <rsandifo@redhat.com>
* doc/invoke.texi (-mlong-calls, -mlinked-fp): Document FRV options.
(-mlibrary-pic): Emphasize that this option generates EABI code.
(-mcpu): Add fr550.
(-mpack): Remove.
2003-11-30 Alexandre Oliva <aoliva@redhat.com>
* config/frv/frv.c (int_2word_operand): Reject LABELs, SYMBOL_REFs
and CONSTs in FDPIC mode.
* gcc/config.gcc (with_cpu): Default to fr400 on frv-*-*linux*.
2003-11-29 Richard Sandiford <rsandifo@redhat.com>
* config/frv/frv.c (move_source_operand): Don't accept symbolic
constants.
* config/frv/frv.md (*movhi_internal, *movsi_internal): Use an 'n'
rather than 'i' constraint for the 2-instruction alternative.
(*movsi_2word): New, incorporating existing int_2word_operand splitter.
2003-11-29 Richard Sandiford <rsandifo@redhat.com>
* config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Q): Renamed from
EXTRA_CONSTRAINT_FOR_Y.
(EXTRA_CONSTRAINT): Remove handling of 'Y'.
* config/frv/frv.md (*movsi_internal): Remove 'Q' constraint.
(addsi3): Change 'Y' constraint to 'Q'.
2003-11-27 Richard Sandiford <rsandifo@redhat.com>
* reload.c (CONST_POOL_OK_P): New macro.
(find_reloads): Use it to decide whether a constant can be forced
into memory.
* config/frv/frv.h (LEGITIMATE_PIC_OPERAND_P): Return true if the
constant satisfies got12_operand.
(frv_cannot_force_const_mem): Always return true for TARGET_FDPIC.
(frv_legitimate_address_p): Check for valid unspec offsets using
got12_operand rather than frv_legitimate_fdpic_operand_p.
(frv_legitimate_fdpic_operand_p): Delete.
(frv_emit_movsi): Abort if we try to use the FDPIC register during
or after reload.
(frv_legitimate_constant_p): Return LEGITIMATE_PIC_OPERAND_P if
TARGET_FDPIC.
* config/frv/frv.md (*movdf_double): Add alternatives for CONST_DOUBLE.
2003-11-19 Richard Sandiford <rsandifo@redhat.com>
* config/frv/frv-protos.h (fdpic_operand, fdpic_got12_operand)
(frv_fdpic_fptr_operand): Don't declare here.
* config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Y): Call got12_operand
rather than fdpic_got12_operand.
(PREDICATE_CODES): Remove symbolic_operand entry. Add entries for
got12_operand and const_unspec_operand.
* config/frv/frv.c (got12_operand): Renamed from fdpic_got12_operand.
(gpr_or_int12_operand, dbl_memory_one_insn_operand): Update calls.
(symbolic_operand): Remove.
(const_unspec_operand): New predicate.
* config/frv/frv.md (*movsi_got): Use got12_operand.
(*movsi_high_got, *movsi_lo_sum_got): Use const_unspec_operand.
2003-11-18 Richard Sandiford <rsandifo@redhat.com>
* config/frv/frv-protos.h (frv_output_addr_const_extra): Remove.
* config/frv/frv.h (OUTPUT_ADDR_CONST_EXTRA): Remove definition.
* config/frv/frv.c (frv_unspec): New structure.
(frv_small_data_reloc_p, frv_const_unspec_p): New functions.
(frv_print_operand_memory_reference): Use frv_const_unspec_p to
validate CONST indices. Use frv_output_const_unspec to print them.
(frv_print_operand): Update call to unspec_got_name. Use
frv_output_const_unspec to print constant unspecs.
(frv_legitimate_fdpic_operand_p): Return true if frv_const_unspec_p.
Reject UNSPECs otherwise.
(unspec_got_name): Take the relocation number as argument, not an
rtx containing it.
(frv_output_addr_const_extra): Remove, replacing with...
(frv_output_const_unspec): ...this new function.
(frv_find_base_term): Use frv_const_unspec_p & frv_small_data_reloc_p.
(gpr_or_int12_operand): Use fdpic_got12_operand.
(dbl_memory_one_insn_operand): Likewise.
(fdpic_got12_operand): Use frv_const_unspec_p.
(frv_emit_movsi): Use frv_const_unspec_p to check for CONSTs that
are already legitimate. Use frv_small_data_reloc_p when deciding
whether to use HIGH/LO_SUM for R_FRV_GOTOFF12 and R_FRV_GPREL12.
2003-11-18 Alexandre Oliva <aoliva@redhat.com>
* config/frv/t-linux (SHLIB_MAPFILES): Override so as to export...
* config/frv/libgcc-frv.ver: ... frv-specific symbols. New file.
* config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local
label, for real this time.
* config/frv/frv.c (frv_local_funcdesc_p): Update to new
representation of visibility.
(fdpic_got12_operand, symbolic_operand): Mark unused arguments as
such.
2003-11-17 Richard Sandiford <rsandifo@redhat.com>
* config/frv/frv.h (MASK_LINKED_FP, TARGET_LINKED_FP): New macros.
(TARGET_SWITCHES): Add -mlinked-fp and -mno-linked-fp.
* config/frv/frv.c (frv_override_options): Set MASK_LINKED_FP unless
it was explicitly disabled.
(frv_stack_info): There is no need to save the link register in every
frame unless TARGET_LINKED_FP is true.
(frv_frame_pointer_required): If !TARGET_LINKED_FP, only require a
frame pointer if the stack pointer might change value.
(frv_return_addr_rtx): Check and process "count" argument.
2003-11-14 Richard Sandiford <rsandifo@redhat.com>
* config/frv/frv-protos.h (frv_legitimize_address): Remove.
(frv_find_base_term): Declare.
* config/frv/frv.h (LEGITIMIZE_ADDRESS): Do nothing.
(FIND_BASE_TERM): Define.
(PREDICATE_CODES): Remove pic_register_operand, pic_symbolic_operand,
small_data_register_operand, small_data_symbolic_operand. Add
symbolic_operand.
* config/frv/frv.c (const_small_data_p, plus_small_data_p): Delete.
(frv_print_operand_memory_reference, output_move_single): Remove
special handling for unlegitimized sdata addresses.
(frv_legitimate_address_p): Don't allow sums of SDA_BASE_REG
and symbolic addresses.
(frv_legitimize_address, frv_legitimize_fdpic_address): Delete.
(frv_find_base_term): New function.
(int_2word_operand): Check specifically for symbolic address constants.
(pic_register_operand, pic_symbolic_operand): Delete.
(small_data_register_operand, small_data_symbolic_operand): Delete.
(dbl_memory_one_insn_operand): Don't call plus_small_data_p.
Allow UNSPEC_GOT constants if !TARGET_FDPIC.
(move_source_operand): Only accept CONSTs if they're a two-insn
symbolic constant.
(fdpic_got12_operand): Don't require TARGET_FDPIC.
(frv_emit_movsi): Legitimize sdata and -mlibrary-pic addresses
using gen_symGOTOFF2reg*.
(frv_ifcvt_rewrite_mem): Remove (plus gr16 ...) special cases.
(frv_rtx_costs): Give all MEM addresses a cost of 0. Give MEMs
themselves a cost of 3 insns.
* config/mips/mips.md (*movsi_got): Allow for !TARGET_FDPIC too.
Change predicate to symbolic_operand.
(*movsi_high_got, *movsi_lo_sum_got): Likewise.
(*movsi_lda_sdata): Delete.
(*movsi_pic, movsi_high_pic, movsi_lo_sum_pic): Delete.
2003-11-05 Alexandre Oliva <aoliva@redhat.com>
* config.gcc: Add t-slibgcc-elf-ver and support --with-cpu for
frv-*-*linux*.
* config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local
label.
* config/frv/frv.h (DRIVER_SELF_SPECS): Add blank before
-multilib-library-pic.
(LINK_SPEC): Add -z text for -mfdpic.
* config/frv/frvbegin.c (__ROFIXUP_LIST__): Don't define on FDPIC.
* config/frv/frvend.c (__ROFIXUP_END__): Likewise.
* config/frv/linux.h (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC):
Override.
(OPTION_DEFAULT_SPECS, HAS_INIT_SECTION, INIT_SECTION_ASM_OP,
FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION): Define.
* config/frv/t-linux (EXTRA_MULTILIB_PARTS): Use
crtstuff-generated files.
2003-10-31 Alexandre Oliva <aoliva@redhat.com>
* config.gcc: Add frv-*-*linux*.
* config/frv/linux.h, config/frv/t-linux: New.
2003-10-06 Alexandre Oliva <aoliva@redhat.com>
* config/frv/frv.h (LINK_SPEC): Pass -melf32frvfd to the linker
when -mfdpic even if a linker script is explicitly listed.
2003-10-02 Alexandre Oliva <aoliva@redhat.com>
* config/frv/frv.c (frv_override_options): Clear asm_out
unaligned_op for SImode on FDPIC.
(frv_emit_movsi): Use compute_reloc_for_constant to compute the
argument passed to decl_readonly_section.
(frv_assemble_integer): Revert 2003-09-30's change, but make the
whole block run with FDPIC even with -fno-PIC.
2003-10-02 Alexandre Oliva <aoliva@redhat.com>
* config/frv/frv.c (frv_cannot_force_const_mem): Don't force
symbol or label plus offset to memory.
(frv_emit_movsi): Emit GPREL only if -mgprel-ro. Emit 32-bit
GOTOFF and GPREL for LABEL_REF.
* config/frv/frv.h (DRIVER_SELF_SPECS): Add -mgprel-ro with
-mfdpic unless -mno-gprel-ro, -fpic or -fpie.
(MASK_GPREL_RO, TARGET_GPREL_RO): New.
(TARGET_SWITCHES): Added gprel-ro and no-gprel-ro.
* doc/invoke.texi: Document them.
2003-09-30 Alexandre Oliva <aoliva@redhat.com>
* config/frv/frv-protos.h (frv_gen_GPsym2reg): Declare.
(frv_splittable_got_operand): Removed.
* config/frv/frv.c (frv_cannot_force_const_mem): Reject HIGH and
LO_SUM. Add comments.
(frv_override_options): Moved enabling of FDPIC to
DRIVER_SELF_SPECS. Don't enable MASK_DWORD.
(frv_local_funcdesc_p): Remove unnecessary heck for flag_pie.
(frv_legitimize_fdpic_address): Don't duplicate logic in
frv_emit_movsi.
(frv_gen_GPsym2reg): New.
(unspec_got_name): Added gprel.
(frv_expand_fdpic_call): Add support for inlining PLTs.
(fdpic_fptr_operand): Renamed from frv_fdpic_fptr_operand.
(gpr_or_int12_operand): Added GPREL12.
(pic_symbolic_operand): Match even if !flag_pic for FDPIC.
(small_data_symbolic_operand): Fail if FDPIC.
(fdpic_splittable_got_operand): Removed.
(fdpic_got12_operand): Added GPREL12.
(frv_emit_movsi): Reorganize to avoid duplication. Emit GPREL
when appropriate. Fix sdata GOTOFF.
(frv_legitimate_constant_p): Require legitimate PIC operand for
FDPIC with pic, but only a legitimate fdpic operand for non-pic.
(frv_assemble_integer): Move FDPIC funcdesc handling out of
flag_pic case.
(frv_asm_out_constructor, frv_asm_out_destructor): Abort if
frv_assemble_integer fails.
* config/frv/frv.h (DRIVER_SELF_SPECS): New.
(SUBTARGET_DRIVER_SELF_SPECS): New.
(ASM_SPEC): Don't pass -mno-fdpic.
(LINK_SPEC): Pass -melf32frvfd for FDPIC.
(MASK_INLINE_PLT, TARGET_INLINE_PLT): New.
(TARGET_SWITCHES): Add -minline-plt, -mno-inline-plt and
-multilib-library-pic.
(PREDICATE_CODES): Added fdpic_operand, fdpic_fptr_operand,
condexec_si_media_operator, condexec_sf_add_operator and
condexec_sf_conv_operator. Removed condexec_sf_binary_operator
and condexec_sf_unary_operator.
* config/frv/frv.md (R_FRV_GPREL12, R_FRV_GPRELHI, R_FRV_GPRELLO):
New.
(movsi_got, movsi_high_got, movsi_lo_sum_got): Move before
movsi_internal. Give them internal names. movsi_got has type
int.
(fdpic got splitters): Remove.
(symGPREL2reg, symGPREL2reg_hilo): New.
* config/frv/t-frv (MULTILIB_MATCHES): Don't map -fpic and -fPIC
to -mlibrary-pic. Map -multilib-library-pic to it.
* doc/invoke.texi: -mfdpic, -minline-plt, -multilib-library-pic:
Document.
2003-09-28 Alexandre Oliva <aoliva@redhat.com>
* config/frv/frv.c (frv_function_symbol_referenced_p): Declare.
(TARGET_CANNOT_FORCE_CONST_MEM): Define to...
(frv_cannot_force_const_mem): New function.
(const_small_data_p, plus_small_data_p): Update comments on sdata
on FDPIC.
(frv_override_options): Set flag_pie for FDPIC too.
(frv_conditional_register_usage): Mark gr16 and gr17 as non-fixed,
call-saved registers on FDPIC.
(frv_stack_info): Don't preserve the PIC register on FDPIC, and
don't force LR to be preserved.
(frv_expand_prologue): Likewise.
(frv_asm_output_mi_thunk): Use 12-bit funcdesc gotoff for -fpic.
(frv_frame_pointer_required): Don't force it just because the
FDPIC register is used.
(frv_legitimate_address_p) <CONST>: Accept a legitimate FDPIC
operand only if !condexec_p.
(frv_legitimize_address): Return the FDPIC-legitimized address.
Don't match small data here on FDPIC.
(frv_legitimate_fdpic_operand_p): Don't accept unadorned function
symbols. Use TRUE/FALSE instead of 1/0.
(frv_local_funcdesc_p): New.
(frv_legitimize_fdpic_address): Rewrite to use GOTOFF and 12-bit
immediates when possible.
(pic_symbolic_operand): Accept SYMBOL_REFs and CONSTs in FDPIC.
(dbl_memory_one_insn_operand): Accept addresses that add a REG and
an UNSPEC_GOT.
(frv_emit_movsi): Handle FDPIC before small data. Use GOTOFF and
12-bit immediates when possible.
(frv_legitimate_constant_p): In FDPIC, reject SImode operands that
are not legitimate pic operands.
(frv_in_small_data_p): Re-enable for FDPIC.
* config/frv/frv.h (SDA_BASE_REG): Remove comment about FDPIC.
(FRV_GLOBAL_P): Removed.
* config/frv/frv.md: Add modes to CONSTs.
(movsi_got): New.
(movsi_lo_sum_got): Use separate matches instead of match_dup.
(movsi_high_pic, movsi_lo_sum_pic): Match on non-FDPIC only.
(fdpic splittable operations): Match on flag_pic != 1.
2003-09-22 Alexandre Oliva <aoliva@redhat.com>
* config/frv/frv.c (frv_asm_out_constructor,
frv_asm_out_destructor): Pass to frv_assemble_integer the size in
bytes, not bits.
2003-09-19 Alexandre Oliva <aoliva@redhat.com>
* config/frv/frv.c (frv_assemble_integer): Reject complex
expressions referencing function SYMBOL_REFs.
* config/frv/frv.c (frv_function_symbol_referenced_p): New.
(move_source_operand): Reject CONSTs that reference function
SYMBOL_REFs on FDPIC.
(frv_emit_movsi): If we get such a CONST, break it up.
* config/frv/frv.h (CPP_SPEC): Define __FRV_FDPIC__ for -mfdpic.
(TRANSFER_FROM_TRAMPOLINE): Use different definitions for FDPIC.
* config/frv/frv.c (frv_print_operand) <I>: Recognize PLUS without
MEM.
(frv_assemble_integer): Don't use funcdesc for LABEL_REFs.
(frv_trampoline_size): Increase for FDPIC.
* config/frv/frv.h (TRAMPOLINE_ALIGNMENT): Bump to 64 for FDPIC.
(TRANSFER_FROM_TRAMPOLINE): Handle FDPIC trampolines.
* config/frv/frv.c (frv_legitimize_fdpic_address, frv_emit_movsi):
Disable use of GOTOFF for now.
(const_small_data_p, plus_small_data_p, frv_in_small_data_p):
Disable use of small data in FDPIC for now.
(frv_asm_output_mi_thunk): Implement for FDPIC.
* config/frv/frv.h (SDA_BASE_REG): Set to -1 with FDPIC.
* config/frv/frv.c (frv_asm_out_constructor): Use
frv_assemble_integer for FDPIC pointers.
(frv_asm_out_destructor): Likewise.
* config/frv/frv.md (ldd): Fix order of operands. Use
address_operand for input.
2003-09-18 DJ Delorie <dj@redhat.com>
* config/frv/frv.c (frv_legitimate_fdpic_operand_p): Remove UNSPEC_PIC.
(unspec_got_name): Correct typo.
(frv_emit_movsi): Pre-expand splittable GOTs.
(frv_expand_fdpic_call): Rename gen_lddi to gen_ldd.
* config/frv/frv.md (lddi): Fix syntax error, rename to ldd.
(symGOT2reg_hilo, symGOTOFF2reg_hilo): New.
* config/frv/t-frv: Add -mfdpic multilibs.
* config/frv/frv.h (ASM_SPEC): Pass -mfdpic/-mno-fdpic.
(TARGET_SWITCHES): Add -mno-fdpic, fix documentation.
* config/frv/frv.c (frv_override_options): -mfdpic assumes
flag_pic, default to 32-bit pics, require DWORD ops.
(frv_override_options): Add W and Z constraints.
(frv_expand_prologue): No pic prologue for -mfdpic.
(frv_asm_output_mi_thunk): Support -mfdpic (soon).
(frv_print_operand_memory_reference): Handle GOT constants.
(frv_legitimate_address_p): Allow GOT constants.
(frv_legitimize_address): Handle GOT addresses too.
(frv_legitimate_fdpic_operand_p): New.
(frv_legitimize_fdpic_address): New.
(unspec_got_name): New.
(frv_output_addr_const_extra): New.
(frv_expand_fdpic_call): New.
(frv_fdpic_fptr_operand): New.
(gpr_or_int12_operand): Handle GOT operands.
(int_2word_operand): Handle GOT operands.
(fdpic_operand): New.
(fdpic_splittable_got_operand): New.
(fdpic_got12_operand): New.
(frv_emit_movsi): Handle GOT operands.
(frv_assemble_integer): -mfdpic doesn't use rofixups.
(frv_print_operand): Support 'g' code for GOT operands.
* config/frv/frv-protos.h: Add prototypes as needed.
* config/frv/frv.md (R_FRV_GOT12, R_FRV_GOTHI, R_FRV_GOTLO,
R_FRV_FUNCDESC, R_FRV_FUNCDESC_GOT12, R_FRV_FUNCDESC_GOTHI,
R_FRV_FUNCDESC_GOTLO, R_FRV_FUNCDESC_VALUE,
R_FRV_FUNCDESC_GOTOFF12, R_FRV_FUNCDESC_GOTOFFHI,
R_FRV_FUNCDESC_GOTOFFLO, R_FRV_GOTOFF12, R_FRV_GOTOFFHI,
R_FRV_GOTOFFLO): New.
(movsi_high_got, movsi_lo_sum_got): New.
(*movsi_pic): Don't use this splitter for -mfdpic.
(addsi3): Allow GOT references also.
(call, call_value): Handle -mfdpic separately.
(call_fdpicdi, call_fdpicsi, lddi, call_value_fdpicdi,
call_value_fdpicsi): New.
(symGOT2reg, symGOT2reg_i, got splitters, symGOTOFF2reg,
symGOTOFF2reg_i): New.
* config/frv/frv.h (MASK_FDPIC): New.
(TARGET_FDPIC): New.
(TARGET_SWITCHES): Add -mfdpic.
(FDPIC_FPTR_REGNO): New.
(FDPIC_REGNO): New.
(OUR_FDPIC_REG): New.
(enum reg_class): Add FDPIC_REGS, FDPIC_FPTR_REGS, and
FDPIC_CALL_REGS.
(REG_CLASS_NAMES): Likewise.
(REG_CLASS_CONTENTS): Likewise.
(EXTRA_CONSTRAINT_FOR_Y): New, for 12-bit GOTs.
(EXTRA_CONSTRAINT): Add it here.
(FRV_GLOBAL_P): New.
(OUTPUT_ADDR_CONST_EXTRA): New.
From-SVN: r78373
* unwind-dw2-fde-glibc.c: #define _Unwind_Find_FDE to itself
before including unwind-dw2-fde.c, if we are not using the
special code in this file.
From-SVN: r48056
* configure.in: Check for ld.
(HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option.
* configure, config.in: Rebuilt.
* config.gcc: Add crtbeginT.o to extra_parts where needed.
* config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc
frame unwinding on Linux.
* config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde
frame unwinding.
* config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static.
(LINK_EH_SPEC): Define.
* config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static.
* config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define.
* config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't
iterate further if pc falls into current library, but fde was not
found.
* config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static
if using glibc.
(LINK_EH_SPEC): Define.
* config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64):
Use crtbeginT.o for -static.
(LINK_EH_SPEC): Define.
* config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o.
* Makefile.in (crtbeginT.o): Add rule.
* gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh.
If neither -static-libgcc nor -shared-libgcc is passed and -shared,
use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not.
If none of the above switches are passed, use -lgcc -lgcc_eh.
(init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec.
* mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if
creating libgcc_s.so, put them into separate libgcc_eh.a instead.
* unwind-dw2-fde.c: Don't include any headers if this file
is included from other .c file.
* unwind-dw2-fde-glibc.c: New file.
* crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define.
Use it instead of EH_FRAME_SECTION_NAME where appropriate.
From-SVN: r48039
Ben Elliston
Tom Tromey
Jakub Jelinek
Andrew Haley
Kelley Cook
Nathan Sidwell
Kazu Hirata
H.J. Lu
Alexandre Oliva
Andreas Jaeger
Nathanael Nerode
Zack Weinberg
Geoffrey Keating
John David Anglin
Jakub Jelinek
Kazu Hirata
Zack Weinberg