2007-05-23  Paolo Bonzini  <bonzini@gnu.org>

PR bootstrap/32009
* mh-ppc-darwin: Temporarily disable.

* lib/gdbserver-support.exp (gdbserver_spawn): Only match full_buffer.
(gdbserver_run): Kill any running gdbserver.
* lib/mi-support.exp (mi_gdb_target_load): Likewise.

* breakpoint.h (enum bpstat_what_main_action): Remove
BPSTAT_WHAT_THROUGH_SIGTRAMP.
* infrun.c (process_event_stop_test): Do not check for it.

Updated windres tool

daily update

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* doc/c-xtensa.texi (Xtensa Automatic Alignment): Remove statements
and index entries about automatic alignment of ENTRY instructions.

2007-05-22  Paul Brook  <paul@codesourcery.com>

ld/testsuite/
* ld-arm/arm-pic-veneer.d: Update expected output.
* ld-arm/arm-call.d: Ditto.

bfd/
* elf32-arm.c (output_arch_syminfo): Replace plt_shndx and plt_offset
with sec and sec_shndx.
(elf32_arm_ouput_plt_map_sym): Use them.
(elf32_arm_output_arch_local_syms): Output mapping symbols for
interworking glue.

2007-05-22  Paul Brook  <paul@codesourcery.com>

bunutils/
* objdump.c (find_symbol_for_address): Merge section and target
specific filtering code.

ld/testsuite/
* ld-arm-mixed-lib.d: Update expected output.
* ld-arm/arm-app.d: Ditto.
* ld-arm/mixed-app.d: Ditto.
* ld-arm/arm-lib-plt32.d: Ditto.
* ld-arm/arm-app-abs32.d: Ditto.
* ld-arm/mixed-app-v5.d: Ditto.
* ld-arm/armthumb-lib.d: Ditto.
* ld-arm/arm-lib.d: Ditto.

gas/testsuite/
* gas/arm/backslash-at.d: Update expected output.

gdb/:
* ser-unix.c (show_serial_hwflow): New function.
(hardwire_raw): Add hardware flow control support.
(_initialize_ser_hardwire): Add "set/show remoteflow".
* Makefile.in (ser-unix.o): Depend on $(gdbcmd_h).
* NEWS: Document the new command.

gdb/doc/:
* gdb.texinfo (Remote Configuration): Document "set/show
remoteflow".

Use @copying around copyright notices

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daily update

* bfdint.texi: Add GNU Free Documentation License notice.

Move entry for modification to dwarf2.h (for adding ability to report
when a variable's value is uninitialized) to the correct ChangeLog file.

moved to the attic to please handling of src-support module

add this momentarily, will move them to the attic soon

* config/i386/tm-linux.h (sys_quotactl): Do not define.
* configure.ac (sys_quotactl, START_INFERIOR_TRAPS_EXPECTED): Do not
define for i[[3456]]86-*-linux* native configurations.
* config.in, configure: Regenerate.

binutils/
* objdump.c (disassemble_bytes): Ignore disassembler_needs_relocs
for executables and shared libraries.

ld/testsuite/
* ld-arm/emit-relocs1.d, ld-arm/emit-relocs1.s,
* ld-arm/emit-relocs1-vxworks.d: New tests.
* ld-arm/arm-elf.exp: Run them.
* ld-arm/vxworks1.dd: Expect proper branch targets.

daily update

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daily update

    * rs6000-nat.c (xcoff_relocate_symtab): Do nothing if debugging
        a core file. Add comment in the function description.

daily update

*** empty log message ***

Accidentally left this out of previous commit; part of adding ability
to report when a variable's value is uninitialized.

Add ability to report when a variable's value is uninitialized,
based on information provided by the compiler.  Also add new
DWARF OP, DW_OP_GNU_uninit, for this purpose.

Add self to 'Write After Approval' list.

* ld-elf/group.ld: Discard .reginfo.

* config/tc-mips.c (s_mipsset): Use generic s_set for directives
containing a comma.

ld/
* emulparams/elf32ebmipvxworks.sh (OTHER_READONLY_SECTIONS)
(OTHER_READWRITE_SECTIONS): Define.  Add .rdata sections.

* objcopy.c (strip_main): Detect identical input and output file
names.
(copy_main): Refactor tempname detection and use.

* ppc-dis.c (print_insn_powerpc): Don't skip all operands
after setting skip_optional.

2007-05-18  Paul Brook  <paul@codesourcery.com>

bfd/
* elf32-arm.c (ARM2THUMB_V5_STATIC_GLUE_SIZE): Define.
(a2t1v5_ldr_insn, a2t1v5_ldr_insn): New.
(record_arm_to_thumb_glue): Add v5t non-pic glue.
(elf32_arm_create_thumb_stub): Ditto.

ld/testsuite/
* ld-arm/arm-call.d: Update expected output.

*** empty log message ***

daily update

    * gdbtypes.c (make_reference_type): Preserve the type chain
        and set the length of all the variants of the pointer type.

Move testsuite entries to testsuite/ChangeLog.

2007-05-17  H.J. Lu  <hongjiu.lu@intel.com>

PR gas/4517
2003-06-05  Michal Ludvig  <mludvig@suse.cz>
* as.texinfo: Document new directives: .cfi_restore,
.cfi_undefined, .cfi_same_value, .cfi_return_column,
.cfi_remember_state and .cfi_restore_state.

2007-05-17  H.J. Lu  <hongjiu.lu@intel.com>

2003-06-05  Michal Ludvig  <mludvig@suse.cz>
* testsuite/gas/cfi/cfi-x86_64.s: Test new directives
and different writings of registers and numbers.
* testsuite/gas/cfi/cfi-x86_64.d: Updated pattern to
match the above change.

2007-05-17  Paul Brook  <paul@codesourcery.com>

ld/testsuite/
* ld-elf/multibss1.s: Use %nobits instead of @nobits.

    * gdbtypes.c (make_pointer_type): Preserve the pointer type chain
        and set the length of all the variants of the pointer type.

* mips-tdep.c (mips_n32n64_push_dummy_call): Fix and reformat a
comment.
(mips_o64_push_dummy_call): Reformat a comment.

* ld-m68k/merge-error-1a.d: Mismatch is an error.
* ld-m68k/merge-error-1b.d: Likewise.
* ld-m68k/merge-error-1c.d: Likewise.
* ld-m68k/merge-error-1d.d: Likewise.
* ld-m68k/merge-error-1e.d: Likewise.

* config/tc-m68k.c (md_apply_fix): Show value of out of range
fixups in error message.
(md_conver_frag_1): Propagate the fix source location and use
as_bad_where rather than fatal, for better error messages.

* gdb.base/sigbpt.exp: Preset segv_addr.

* objdump.c (load_debug_section): Select bias for DWARF debug addresses based on the flavour of the bfd.

2007-05-17  Qinwei  <qinwei@sunnorth.com.cn>

* score-tdep.c (score_frame_cache->fp, score_analyze_prologue)
(score_prologue_frame_base_address): Return fp to keep gdb print
local variables correctly when debugging information is stabs.

(score_analyze_prologue): For software watchpoint, fetch all the
instructions from range [startaddr, pc] once and identify them locally
to reduce memory access.
(score_malloc_and_get_memblock, score_free_memblock)
(score_adjust_memblock_ptr): New functions.
(score_fetch_inst): Fetch single instruction or mutiple instructions.

(score_target_can_use_watch, score_stopped_by_watch)
(score_target_insert_watchpoint, score_target_remove_watchpoint)
(score_target_insert_hw_breakpoint, score_target_remove_hw_breakpoint):
New functions for remote & local hw-watchpoint and hw-breakpoint.

2007-05-17  Qinwei  <qinwei@sunnorth.com.cn>

        * score-tdep.c (score_frame_cache->fp, score_analyze_prologue)
        (score_prologue_frame_base_address): Return fp to keep gdb print
        local variables correctly when debugging information is stabs.

        (score_analyze_prologue): For software watchpoint, fetch all the
        instructions from range [startaddr, pc] once and identify them locally
        to reduce memory access.
        (score_malloc_and_get_memblock, score_free_memblock)
        (score_adjust_memblock_ptr): New functions.
        (score_fetch_inst): Fetch single instruction or mutiple instructions.

        (score_target_can_use_watch, score_stopped_by_watch)
        (score_target_insert_watchpoint, score_target_remove_watchpoint)
        (score_target_insert_hw_breakpoint, score_target_remove_hw_breakpoint):
        New functions for remote & local hw-watchpoint and hw-breakpoint.

* ppc-dis.c (operand_value_powerpc, skip_optional_operands): New.
(print_insn_powerpc): Use the new operand_value_powerpc and
skip_optional_operands functions to omit or print all optional
operands as a group.
* ppc-opc.c (BFF, W, XFL_L, XWRA_MASK): New.
(XFL_MASK): Delete L and W bits from the mask.
(mtfsfi, mtfsfi.): Replace use of BF with BFF.  Relpace use of XRA_MASK
with XWRA_MASK.  Use W.
(mtfsf, mtfsf.): Use XFL_L and W.

* binutils-all/strip-3.d: Strip .pdr section.

daily update

*** empty log message ***

2007-05-16  Paul Brook  <paul@codesourcery.com>

* config/tc-arm.c (v7m_psrs): Add uppercase PSR names and xpsr.

Fix typo.

Add support for SHF_MERGE sections.

* reply_mig_hack.awk: Check for `auto const mach_msg_type_t'
declarations as well.

* reply_mig_hack.awk: Check for `auto const mach_msg_type_t' declarations as well.

* config/arm/embed.mt (DEPRECATED_TM_FILE): Set to tm-arm.h.
* config/arm/tm-embed.h: Delete file.

* arm-tdep.h (arm_software_single_step): Declare.
* arm-tdep.c (arm_software_single_step): Make global.
(arm_gdbarch_init): Move set_gdbarch_software_single_step call
from here to ...
* arm-linux-tdep.c (arm_linux_init_abi): ... here ...
* armnbsd-tdep.c (arm_netbsd_init_abi_common): ... here ...
* armobsd-tdep.c (armobsd_init_abi): ... here ...
* arm-wince-tdep.c (arm_wince_init_abi): ... and here.

* arm-tdep.c (ARM_LE_BREAKPOINT, ARM_BE_BREAKPOINT): No longer
allow defines to be overriden by TM file.
(THUMB_LE_BREAKPOINT, THUMB_BE_BREAKPOINT): Likewise.  Also,
change default to {0xbe,0xbe}.
* armobsd-tdep.c (arm_obsd_thumb_le_breakpoint,
arm_obsd_thumb_be_breakpoint): New global variables.
(armobsd_init_abi): Override tdep->thumb_breakpoint and
tdep->thumb_breakpoint_size.
* arm-wince-tdep.c (arm_wince_thumb_le_breakpoint): New variable.
(arm_wince_init_abi): Override tdep->thumb_breakpoint and
tdep->thumb_breakpoint_size.

* arm-tdep.c (arm_gdbarch_init): Add set_gdbarch_skip_trampoline_code.

2007-05-16  Markus Deuling  <deuling@de.ibm.com>

* server.c (handle_query): Add reply for qC packet.

* lib/gdb.exp (gdb_compile): Add support for Windows DLLs.
(gdb_compile_shlib): Likewise.
(skip_shlib_tests, gdb_download, gdb_load_shlibs): New.
(default_gdb_init): Clear cleanfiles.
(gdb_finish): Delete recorded cleanfiles.
* lib/gdbserver-support.exp (gdbserver_spawn): Use gdb_download.

* gdb.base/gdb1555.exp: Use skip_shlib_tests and gdb_load_shlibs.
Do not use isnative.
* gdb.base/pending.exp, gdb.base/shlib-call.exp, gdb.base/shreloc.exp,
gdb.base/so-impl-ld.exp: Likewise.
* gdb.base/solib-weak.exp: Likewise.  Skip for DLL targets.
* gdb.base/unload.exp: Likewise.  Do not pass empty option to
gdb_compile.

* NEWS: Mention removed "set mips stack-arg-size" and "set mips
saved-gpreg-size".

* mips-tdep.c (MIPS32_REGSIZE, MIPS64_REGSIZE): New constants.
(size_auto, size_32, size_64, size_enums, mips_abi_regsize_string)
(mips_stack_argsize_string, mips_stack_argsize): Delete.
(mips_abi_regsize): Simplify.
(mips_eabi_push_dummy_call, mips_n32n64_push_dummy_call)
(mips_n32n64_return_value, mips_o32_push_dummy_call)
(mips_o32_return_value, mips_o64_push_dummy_call)
(mips_o64_return_value): Propogate constant register sizes.  Use the
ABI register size instead of mips_stack_argsize.
(mips_dump_tdep): Don't print mips_stack_argsize.
(_initialize_mips_tdep): Remove saved-gpreg-size and stack-arg-size
settings.

* gdb.texinfo (MIPS): Remove documentation for set mips saved-gpreg-size,
show mips saved-gpreg-size, and set mips stack-arg-size.

Commit file missed in last commit.

* config/mips/linux.mt (DEPRECATED_TM_FILE): Delete.
* config/mips/tm-linux.h: Delete.
* mips-linux-tdep.c (mips_svr4_so_ops): New.
(mips_linux_in_dynsym_resolve_code): Make static.  Use
svr4_in_dynsym_resolve_code.
(mips_linux_init_abi): Initialize mips_svr4_so_ops.  Call
set_solib_ops.
* solib-svr4.c (svr4_in_dynsym_resolve_code, svr4_so_ops): Make
global.
* solib-svr4.h (svr4_so_ops, svr4_in_dynsym_resolve_code): Declare.
* Makefile.in (mips-linux-tdep.o): Update.
* solib.c (set_solib_ops): New.
(current_target_so_ops): Update comment.
* solib.h (set_solib_ops): New prototype.

* printcmd.c (do_examine): Fix typos in a comment.

2007-05-16  H.J. Lu  <hongjiu.lu@intel.com>
    Alan Modra  <amodra@bigpond.net.au>

* elflink.c (_bfd_elf_adjust_dynamic_copy): Align dynamic bss
section to the minimum alignment.

2007-05-16  Paolo Bonzini  <bonzini@gnu.org>

* Makefile.def (bootstrap_stage): Replace stage_make_flags with
stage_cflags.
* Makefile.tpl (POSTSTAGE1_HOST_EXPORTS, POSTSTAGE1_FLAGS_TO_PASS):
Remove CFLAGS/LIBCFLAGS.
(configure-stage[+id+]-[+prefix+][+module+],
all-stage[+id+]-[+prefix+][+module+]): Pass it from [+stage_cflags+].
* Makefile.in: Regenerate.

gdb/
* configure.ac: Allow sysroots to be relocated under $prefix as
well as $exec_prefix.
* configure: Regenerate.

ld/
* configure.in: Allow sysroots to be relocated under $prefix as
well as $exec_prefix.
* configure: Regenerate.

daily update

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    * config/unknown.exp: Remove.

2007-05-15  H.J. Lu  <hongjiu.lu@intel.com>

PR ld/4504
* ld-elf/data1.c: New file.
* ld-elf/data1.h: Likewise.
* ld-elf/dynbss1.c: Likewise.
* ld-elf/pass.out: Likewise.

* ld-elf/shared.exp (build_tests): Add "Build libdata1.so".
(run_tests): Add "Run with libdata1.so".

2007-05-15  H.J. Lu  <hongjiu.lu@intel.com>
    Alan Modra  <amodra@bigpond.net.au>

PR ld/4504
* elf-bfd.h (_bfd_elf_adjust_dynamic_copy): New.
* elflink.c (_bfd_elf_adjust_dynamic_copy): New.

* elf-m10300.c (_bfd_mn10300_elf_adjust_dynamic_symbol): Call
_bfd_elf_adjust_dynamic_copy to adjust for the copy in dynamic
bss section.
* elf32-arm.c (elf32_arm_adjust_dynamic_symbol): Likewise.
* elf32-cris.c (elf_cris_adjust_dynamic_symbol): Likewise.
* elf32-hppa.c (elf32_hppa_adjust_dynamic_symbol): Likewise.
* elf32-i370.c (i370_elf_adjust_dynamic_symbol): Likewise.
* elf32-i386.c (elf_i386_adjust_dynamic_symbol): Likewise.
* elf32-m32r.c (m32r_elf_adjust_dynamic_symbol): Likewise.
* elf32-m68k.c (elf_m68k_adjust_dynamic_symbol): Likewise.
* elf32-ppc.c (ppc_elf_adjust_dynamic_symbol): Likewise.
* elf32-s390.c (elf_s390_adjust_dynamic_symbol): Likewise.
* elf32-sh.c (sh_elf_adjust_dynamic_symbol): Likewise.
* elf32-vax.c (elf_vax_adjust_dynamic_symbol): Likewise.
* elf64-ppc.c (ppc64_elf_adjust_dynamic_symbol): Likewise.
* elf64-s390.c (elf_s390_adjust_dynamic_symbol): Likewise.
* elf64-sh64.c (sh64_elf64_adjust_dynamic_symbol): Likewise.
* elf64-x86-64.c (elf64_x86_64_adjust_dynamic_symbol): Likewise.
* elfxx-mips.c (_bfd_mips_vxworks_adjust_dynamic_symbol): Likewise.
* elfxx-sparc.c (_bfd_sparc_elf_adjust_dynamic_symbol): Likewise.

2007-05-15  Markus Deuling  <deuling@de.ibm.com>

        * gdb.base/info-proc.exp: Check is_remote.

ld/testsuite/
* ld-arm/vxworks1.ld: Swap .bss and .data.
* ld-arm/vxworks1-lib.rd: Update accordingly.
* ld-arm/vxworks1-lib.td: New test.
* ld-arm/arm-elf.exp: Run it.

* ld-i386/vxworks1.ld: Swap .bss and .data.
* ld-i386/vxworks1-lib.rd: Update accordingly.
* ld-i386/vxworks1-lib.td: New test.
* ld-i386/i386.exp: Run it.

* ld-mips-elf/vxworks1.ld: Swap .bss and .data.
* ld-mips-elf/vxworks1-lib.rd: Update accordingly.
* ld-mips-elf/vxworks1.rd: Likewise.

* ld-powerpc/vxworks1.ld: Swap .bss and .data.
* ld-powerpc/vxworks1-lib.rd: Update accordingly.
* ld-powerpc/vxworks1-lib.td: New test.
* ld-powerpc/powerpc.exp: Run it.

* ld-sh/vxworks1.ld: Swap .bss and .data.
* ld-sh/vxworks1-lib.rd: Update accordingly.
* ld-sh/vxworks1-lib.td: New test.
* ld-sh/sh-vxworks.exp: Run it.

* ld-sparc/vxworks1.ld: Swap .bss and .data.
* ld-sparc/vxworks1-lib.rd: Update accordingly.
* ld-sparc/vxworks1-lib.td: New test.
* ld-sparc/sparc.exp: Run it.

* mips3264r2.igen (DSHD): Fix compile warning.

bfd/
* elfxx-mips.c (mips_elf_create_local_got_entry): Remove
input_section argument.  Create .rela.dyn relocations against
symbol 0 rather than the section symbol.
(mips_elf_local_got_index): Remove input_section argument.
Update call to mips_elf_create_local_got_entry.
(mips_elf_got_page, mips_elf_got16_entry): Likewise.
(mips_elf_calculate_relocation): Update calls to
mips_elf_local_got_index, mips_elf_got16_entry and mips_elf_got_page.

ld/testsuite/
* ld-mips-elf/vxworks1-lib.rd: Expect the GOT relocation to be
against symbol 0.

gas/
* app.c (do_scrub_chars): Don't damage \@ pseudo-variables.

gas/testsuite/
* gas/arm/backslash-at.d: New.
* gas/arm/backslash-at.s: New.

bfd/
* elf32-arm.c (elf32_arm_final_link_relocate): Correctly
handle the Thumb-2 JUMP19 relocation.

ld/testsuite/
* ld-arm/arm-elf.exp: Add jump19 testcase.
* ld-arm/jump19.d: New.
* ld-arm/jump19.s: New.

PR gas/3041
* config/tc-m68k.c (relaxable_symbol): Make sure that the correct addend is stored for relocs against weak symbols.
    (md_apply_fix): So not loose track of addend for relocs against weak symbols.
* testsuite/gas/m68k/p3041.s: New test case.
* testsuite/gas/m68k/p3041.d: New expected disassembly.
* testsuite/gas/m68k/all.exp: Run new test for m68k-*-netbsd toolchains.
    Only run arch-cpu-1 test for ELF based toolchains.

    Tidy ups for m68k-netbsd gas toolchain:
* testsuite/gas/m68k/cpu32.d: Allow for extra text after expected disassembly.
* testsuite/gas/m68k/mcf-trap.d: Allow for alternative trap mnemonics.
* testsuite/gas/m68k/br-isab.d: Fix name of test.
* testsuite/gas/m68k/br-isac.d: Fix name of test.

PR 4479
* elf.c (elf_fake_sections): Don't allow backend to change
SHT_NOBITS if called for strip/objcopy --only-keep-debug.
* elfxx-mips.c (_bfd_mips_elf_fake_sections): Remove similar
fix from here.

* binutils-all/objcopy.exp: Only run needed-by-reloc test for ELF.

gas/testsuite/

2007-05-14  H.J. Lu  <hongjiu.lu@intel.com>

PR binutils/4502
* gas/i386/amd.d: Replace "pfmulhrw" with "pmulhrw".

opcodes/

2007-05-14  H.J. Lu  <hongjiu.lu@intel.com>

PR binutils/4502
* i386-dis.c (Suffix3DNow): Replace "pfmulhrw" with "pmulhrw".

daily update

*** empty log message ***

2007-05-14  H.J. Lu  <hongjiu.lu@intel.com>

* hist.c (scale_and_align_entries): Avoid C99 feature.

* hppa-hpux-tdep.c: Do not include <dl.h> or <machine/save_state.h>.
(offsetof): Do not define.
(find_stub_with_shl_get): Use numerical value 3 instead of
symbolic value TYPE_PROCEDURE.

2007-05-14  Markus Deuling  <deuling@de.ibm.com>

* gdb.base/gcore.exp: Initialize variable core_supported.

* all-cfg.texi (GDBTUI): New.
* gdb.texinfo (Mode Options): Use GDBTUI variable.
(TUI, TUI Overview, TUI Keys, TUI Single Key Mode, TUI Commands)
(TUI Configuration): Edit to improve clarity and fix problems of
both style and content.

* gdb_proc_service.h (paddr_t): Delete typedef.
* proc-service.c (ps_addr_to_core_addr, core_addr_to_ps_addr): New.
(ps_xfer_memory): Take a psaddr_t.  Use ps_addr_to_core_addr.
(ps_pglobal_lookup): Take a psaddr_t *.  Use core_addr_to_ps_addr.
(ps_pdread, ps_pdwrite, ps_ptread, ps_ptwrite): Take a psaddr_t.
* sol-thread.c (gdb_ps_addr_t): Use psaddr_t instead of paddr_t.
* Makefile.in (proc-service.o): Update.

* Makefile.in (mips-tdep.o): Update.
* mips-tdep.c (mips_gdbarch_init): Register the dwarf2 CFI
unwinder.

* dwarf2-frame.c (dwarf2_frame_prev_register): Use pack_long
instead of store_typed_address.
* value.c (pack_long): New.
(value_from_longest): Use it.
* value.h (pack_long): New prototype.

* dwarf2-frame.c (read_encoded_value): Correct typo.  Use
DW_EH_PE_signed if appropriate.

* dwarf2read.c (dwarf2_debug_line_missing_file_complaint): New
function.
(dwarf_decode_lines): Check for line info without a file.

* gdb.threads/linux-dp.exp: Allow non-hexadecimal IDs also.

* linux-thread-db.c (thread_db_pid_to_str): Print thread IDs
as hexadecimal.

* gdb.threads/linux-dp.exp: Expect hexadecimal thread IDs.
* gdb.threads/print-threads.exp (test_all_threads): Allow
negative and hexadecimal thread IDs.

* jv-exp.y (push_fieldnames): Use STRUCTOP_PTR instead of
STRUCTOP_STRUCT.
* jv-lang.c (evaluate_subexp_java): Handle STRUCTOP_PTR instead of
STRUCTOP_STRUCT.
* jv-typeprint.c (java_print_type): Do not crash on NULL varstring.

* gdb.java/jprint.java (public): Avoid invalid call to static
method.

* mips.igen (ALNV.PS, CEIL.L.fmt, CVT.L.fmt, CVT.PS.S, CVT.S.PL,
CVT.S.PU, FLOOR.L.fmt, LDXC1, LUXC1, LWXC1, MADD.fmt, MSUB.fmt,
NMADD.fmt, NMSUB.fmt, PLL.PS, PLU.PS, PREFX, PUL.PS, PUU.PS,
RECIP.fmt, ROUND.L.fmt, RSQRT.fmt, SWXC1, TRUNC.L.fmt): Add support
for mips32r2.

* gdbarch.sh (read_sp): Remove.
* gdbarch.c, gdbarch.h: Regenerate.
* frame.c (frame_sp_unwind): Do not call TARGET_READ_SP.

* avr-tdep.c (avr_read_sp): Remove.
(avr_unwind_sp): New function.
(avr_gdbarch_init): Install unwind_sp instead of read_sp callback.
* mips-tdep.c (mips_read_sp): Remove.
(mips_unwind_sp): New function.
(mips_gdbarch_init): Install unwind_sp instead of read_sp callback.
* score-tdep.c (score_read_unsigned_register): Remove.
(score_read_sp): Remove.
(score_unwind_sp): New function.
(score_gdbarch_init): Install unwind_sp instead of read_sp callback.