I will need this description for the ppc-lynxos debugger where, AFAICT,
we only have access to the core GP and FP registers. So this adds
powerpc-32 to the list of targets for which a .dat file needs to be
generated.
2010-04-30 Joel Brobecker <brobecker@adacore.com>
* features/Makefile (WHICH): Add rs6000/powerpc-32.
(powerpc-32.o, powerpc-32.c): New rules.
(clean): Also remove powerpc-32.c.
* regformats/rs6000/powerpc-32.dat: Generate.
* features/gdb-target.dtd (target): Accept an optional 'osabi'
element.
(osabi): Define element.
* features/mips-linux.xml (target): Add an osabi subelement set to
GNU/Linux.
* regformats/regdat.sh (xmlarch, xmlosabi): New variables. Don't
write the architecture into $xmltarget. Store it in $xmlarch.
Handle the 'osabi' type. Handle outputting the osabi element of
the target description.
* regformats/reg-x86-64-linux.dat (osabi): Set to GNU/Linux.
* regformats/reg-i386-linux.dat (osabi): Set to GNU/Linux.
* target-descriptions.h (tdesc_osabi, set_tdesc_osabi): Declare.
* target-descriptions.c (struct target_desc) <osabi>: New field.
(tdesc_osabi): New function.
(set_tdesc_osabi): New function.
* xml-tdesc.c: Include osabi.h.
(tdesc_end_osabi): New.
(target_children): Parse "osabi" elements.
* arch-utils.c (gdbarch_info_fill): Try to get the osabi from the
target description if the user didn't override it or it is not
extractable from the bfd. If that still fails, fallback to the
configured in default.
* osabi.h (osabi_from_tdesc_string): Declare.
* osabi.c (osabi_from_tdesc_string): New.
(gdbarch_lookup_osabi): Return GDB_OSABI_UNKNOWN instead of
GDB_OSABI_DEFAULT.
* NEWS: Mention that target descriptions can now describe the
target OS ABI.
2009-07-20 Pedro Alves <pedro@codesourcery.com>
* gdb.texinfo (Target Description Format): Mention the new <osabi>
optional element.
(subsection OS ABI): New subsection.
* features/Makefile (rs6000/powerpc-isa205-32l-expedite,
rs6000/powerpc-isa205-altivec32l-expedite,
powerpc-isa205-vsx32l-expedite, rs6000/powerpc-isa205-64l-expedite,
rs6000/powerpc-isa205-altivec64l-expedite,
powerpc-isa205-vsx64l-expedite): New variables.
* regformats/rs6000/powerpc-isa205-32l.dat: Generate.
* regformats/rs6000/powerpc-isa205-altivec32l.dat: Generate.
* regformats/rs6000/powerpc-isa205-vsx32l.dat: Generate.
* regformats/rs6000/powerpc-isa205-64l.dat: Generate.
* regformats/rs6000/powerpc-isa205-altivec64l.dat: Generate.
* regformats/rs6000/powerpc-isa205-vsx64l.dat: Generate.
gdbserver/
* Makefile.in (powerpc-isa205-32l.o, powerpc-isa205-32l.c,
powerpc-isa205-altivec32l.o, powerpc-isa205-altivec32l.c,
powerpc-isa205-vsx32l.o, powerpc-isa205-vsx32l.c,
powerpc-isa205-64l.o, powerpc-isa205-64l.c,
powerpc-isa205-altivec64l.o, powerpc-isa205-altivec64l.c,
powerpc-isa205-vsx64l.o, powerpc-isa205-vsx64l.c): New targets.
* configure.srv (powerpc*-*-linux*): Add ISA 2.05 object files and
XML target descriptions.
* linux-ppc-low.c (ppc_arch_setup): Init registers with 64-bit FPSCR
when inferior is running on an ISA 2.05 or later processor. Add
special case to return offset for full 64-bit slot of FPSCR when
in 32-bits.
Include "features/rs6000/powerpc-vsx64.c".
(ppc_supply_vsxregset): New function.
(ppc_collect_vsxregset): New function.
(IS_VSX_PSEUDOREG): New macro.
(IS_EFP_PSEUDOREG): New macro.
(vsx_register_p): New function.
(ppc_vsx_support_p): New function.
(rs6000_builtin_type_vec128): New function.
(rs6000_register_name): Hide upper halves of vs0~vs31. Return
correct names for VSX registers and EFPR registers.
(rs6000_pseudo_register_type): Return correct types for VSX
and EFPR registers.
(rs6000_pseudo_register_reggroup_p): Return correct group for
VSX and EFPR registers.
(ppc_pseudo_register_read): Rename to dfp_pseudo_register_read.
(ppc_pseudo_register_write): Rename to dfp_pseudo_register_write.
(vsx_pseudo_register_read): New function.
(vsx_pseudo_register_write): New function.
(efpr_pseudo_register_read): New function.
(efpr_pseudo_register_write): New function.
(rs6000_pseudo_register_read): Call new VSX and EFPR read functions.
(rs6000_pseudo_register_write): Call new VSX and EFPR write functions.
(rs6000_gdbarch_init): Declare have_vsx.
Initialize new upper half VSX registers.
Initialize VSX-related and EFPR-related pseudo-registers variables.
Adjust the number of pseudo registers accordingly.
* ppc-linux-nat.c: Define PTRACE_GETVSXREGS, PTRACE_SETVSXREGS
and SIZEOF_VSRREGS.
(gdb_vsxregset_t): New type.
(have_ptrace_getsetvsxregs): New variable.
(fetch_vsx_register): New function.
(fetch_register): Handle VSX registers.
(fetch_vsx_registers): New function.
(fetch_ppc_registers): Handle VSX registers.
(store_ppc_registers): Handle VSX registers.
(store_vsx_register): New function.
(store_register): Handle VSX registers.
(store_vsx_registers): New function.
(ppc_linux_read_description): Handle VSX-enabled inferiors.
(gdb_vsxregset_t): New type.
(supply_vsxregset): New function.
(fill_vsxregset): New function.
* ppc-tdep.h (vsx_register_p): New prototype.
(vsx_support_p): New prototype.
(ppc_vsr0_regnum): New variable.
(ppc_vsr0_upper_regnum): Likewise.
(ppc_efpr0_regnum): Likewise.
(ppc_builtin_type_vec128): New type.
(ppc_num_vsrs): New constant.
(ppc_num_vshrs): New constant.
(ppc_num_efprs): Likewise.
Define POWERPC_VEC_VSX PPC_VSR0_UPPER_REGNUM and PPC_VSR31_UPPER_REGNUM.
(ppc_supply_vsxregset): New prototype.
(ppc_collect_vsxregset): New prototype.
* ppc-linux-tdep.c: Include "features/rs6000/powerpc-vsx32l.c"
Include "features/rs6000/powerpc-vsx64l.c".
(_initialize_ppc_linux_tdep): Initialize VSX-enabled targets.
(ppc_linux_regset_sections): Add new ".reg-ppc-vsx" field.
(ppc32_linux_vsxregset): New 32-bit VSX-enabled regset.
(ppc_linux_regset_from_core_section): Handle VSX core section.
(ppc_linux_core_read_description): Support VSX-enabled core files.
* ppc-linux-tdep.h: Declare *tdesc_powerpc_vsx32l
Declare tdesc_powerpc_vsx64l
* corelow.c (get_core_register_section): Support VSX-enabled
core files.
* features/rs6000/power-vsx.xml: New VSX descriptions.
* features/rs6000/powerpc-vsx32.xml: New file.
* features/rs6000/powerpc-vsx32l.xml: New file.
* features/rs6000/powerpc-vsx64.xml: New file.
* features/rs6000/powerpc-vsx64l.xml: New file.
* features/rs6000/powerpc-vsx32.c: New file (generated).
* features/rs6000/powerpc-vsx32l.c: New file (generated).
* features/rs6000/powerpc-vsx64.c: New file (generated).
* features/rs6000/powerpc-vsx64l.c: New file (generated).
* features/Makefile: Updated with new descriptions.
* regformats/rs6000/powerpc-vsx32l.dat: New file (generated).
* regformats/rs6000/powerpc-vsx64l.dat: New file (generated).
* testsuite/gdb.arch/vsx-regs.c: New source file.
* testsuite/gdb.arch/vsx-regs.exp: New testcase.
* testsuite/lib/gdb.exp (skip_vsx_tests): New function.
* Makefile.in (ppc_linux_tdep_h): New macro.
(powerpc_32l_c, powerpc_altivec32_c, powerpc_altivec32l_c): Likewise.
(powerpc_64l_c, powerpc_altivec64_c, powerpc_altivec64l_c): Likewise.
(powerpc_e500l_c): Likewise.
(ppc-linux-nat.o): Update dependencies.
(ppc-linux-tdep.o): Update dependencies.
(rs6000-tdep.o): Update dependencies.
* ppc-tdep.h (ppc_linux_memory_remove_breakpoint): Remove.
(ppc_linux_svr4_fetch_link_map_offsets): Remove.
(ppc_linux_gregset, ppc_linux_fpregset): Move to ppc-linux-tdep.h
(ppc_supply_reg, ppc_collect_reg): Add prototypes.
(tdesc_powerpc_e500): Remove.
* rs6000.c: Include "features/rs6000/powerpc-altivec32.c"
and "features/rs6000/powerpc-altivec64.c".
(ppc_supply_reg, ppc_collect_reg): Make global.
(variants): Use tdesc_powerpc_32 for "powerpc" and
tdesc_powerpc_altivec64 for "powerpc64".
(_initialize_rs6000_tdep): Initialize AltiVec descriptions.
* ppc-linux-tdep.h: New file.
* ppc-linux-tdep.c: Include "ppc-linux-tdep.c".
Include "features/rs6000/powerpc-32l.c".
Include "features/rs6000/powerpc-altivec32l.c".
Include "features/rs6000/powerpc-64l.c".
Include "features/rs6000/powerpc-altivec64l.c".
Include "features/rs6000/powerpc-e500l.c".
(ppc_linux_supply_gregset): New function.
(ppc_linux_collect_gregset): Handle orig_r3 and trap registers.
(ppc32_linux_gregset): Use ppc_linux_supply_gregset.
(ppc64_linux_gregset): Likewise.
(ppc_linux_sigtramp_cache): Handle orig_r3 and trap registers.
(ppc_linux_trap_reg_p): New function.
(ppc_linux_write_pc): New function.
(ppc_linux_core_read_description): New function.
(ppc_linux_init_abi): Install ppc_linux_write_pc and
ppc_linux_core_read_description. Install orig_r3 and trap
registers if present in the target description.
(_initialize_ppc_linux_tdep): Initialize Linux target descriptions.
* ppc-linux-nat.c: Include "ppc-linux-tdep.h".
(PT_ORIG_R3, PT_TRAP): Define if necessary.
(ppc_register_u_addr): Handle orig_r3 and trap registers.
(fetch_ppc_registers): Likewise.
(store_ppc_registers): Likewise.
(store_register): Likewise.
(ppc_linux_read_description): Check whether AltiVec is supported.
Check whether inferior is 32-bit or 64-bit. Return the appropriate
Linux target description.
* features/Makefile (WHICH): Use rs6000/powerpc-32l and
rs6000/powerpc-altivec32l instead of rs6000/powerpc-32.
Use rs6000/powerpc-64l and rs6000/powerpc-altivec64l instead
of rs6000/powerpc-64. Use rs6000/powerpc-e500l instead of
rs6000/powerpc-e500. Update -expedite variables accordingly.
* features/rs6000/power-spe.xml: Use regnum 73 for "acc".
* features/rs6000/powerpc-32.xml: Do not include power-altivec.xml.
* features/rs6000/powerpc-64.xml: Do not include power-altivec.xml.
* features/rs6000/powerpc-e500.c: Regenerate.
* features/rs6000/powerpc-32.c: Regenerate.
* features/rs6000/powerpc-64.c: Regenerate.
* features/rs6000/power-linux.xml: New file.
* features/rs6000/power64-linux.xml: New file.
* features/rs6000/powerpc-32l.xml: New file.
* features/rs6000/powerpc-altivec32l.xml: New file.
* features/rs6000/powerpc-64l.xml: New file.
* features/rs6000/powerpc-altivec64l.xml: New file.
* features/rs6000/powerpc-e500l.xml: New file.
* features/rs6000/powerpc-32l.c: New (generated) file.
* features/rs6000/powerpc-altivec32l.c: New (generated) file.
* features/rs6000/powerpc-64l.c: New (generated) file.
* features/rs6000/powerpc-altivec64l.c: New (generated) file.
* features/rs6000/powerpc-e500l.xml: New (generated) file.
* regformats/reg-ppc.dat: Remove.
* regformats/reg-ppc64.dat: Remove.
* regformats/rs6000/powerpc-32.dat: Remove.
* regformats/rs6000/powerpc-64.dat: Remove.
* regformats/rs6000/powerpc-e500.dat: Remove.
* regformats/rs6000/powerpc-32l.dat: New (generated) file.
* regformats/rs6000/powerpc-altivec32l.dat: New (generated) file.
* regformats/rs6000/powerpc-64l.dat: New (generated) file.
* regformats/rs6000/powerpc-altivec64l.dat: New (generated) file.
* regformats/rs6000/powerpc-e500l.dat: New (generated) file.
gdbserver/ChangeLog:
* configure.srv (powerpc*-*-linux*): Set srv_regobj to
powerpc-32l.o, powerpc-altivec32l.o, powerpc-e500l.o,
powerpc-64l.o, and powerpc-altivec64l.o.
Remove rs6000/powerpc-32.xml, rs6000/powerpc-64.xml, and
rs6000/powerpc-e500.xml; add rs6000/powerpc-32l.xml,
rs6000/powerpc-altivec32l.xml, rs6000/powerpc-e500l.xml,
rs6000/powerpc-64l.xml, rs6000/powerpc-altivec64l.xml,
rs6000/power-linux.xml, and rs6000/power64-linux.xml
to srv_xmlfiles.
* Makefile.in (reg-ppc.o, reg-ppc.c): Remove, replace by ...
(powerpc-32l.o, powerpc-32l.c): ... these new rules.
(powerpc-32.o, powerpc-32.c): Remove, replace by ...
(powerpc-altivec32l.o, powerpc-altivec32l.c): ... these new rules.
(powerpc-e500.o, powerpc-e500.c): Remove, replace by ...
(powerpc-e500l.o, powerpc-e500l.c): ... these new rules.
(reg-ppc64.o, reg-ppc64.c): Remove, replace by ...
(powerpc-64l.o, powerpc-64l.c): ... these new rules.
(powerpc-64.o, powerpc-64.c): Remove, replace by ...
(powerpc-altivec64l.o, powerpc-altivec64l.c): ... these new rules.
(clean): Update.
* linux-ppc-low.c (init_registers_ppc): Remove, replace by ...
(init_registers_powerpc_32l): ... this new prototype.
(init_registers_powerpc_32): Remove, replace by ...
(init_registers_powerpc_altivec32l): ... this new prototype.
(init_registers_powerpc_e500): Remove, replace by ...
(init_registers_powerpc_e500l): ... this new prototype.
(init_registers_ppc64): Remove, replace by ...
(init_registers_powerpc_64l): ... this new prototype.
(init_registers_powerpc_64): Remove, replace by ...
(init_registers_powerpc_altivec64l): ... this new prototype.
(ppc_num_regs): Set to 73.
(PT_ORIG_R3, PT_TRAP): Define if necessary.
(ppc_regmap, ppc_regmap_e500): Add values for orig_r3 and trap.
(ppc_cannot_store_register): Handle orig_r3 and trap.
(ppc_arch_setup): Update init_registers_... calls.
(ppc_fill_gregset): Handle orig_r3 and trap.
* inferiors.c (clear_inferiors): Reset current_inferior.
* features/Makefile (%.dat): Set xmltarget to the base filename
of the XML source, without subdirectory.
* regformats/rs6000/powerpc-32.dat: Regenerate.
* regformats/rs6000/powerpc-64.dat: Regenerate.
* regformats/rs6000/powerpc-e500.dat: Regenerate.
gdbserver/ChangeLog:
* server.c (get_features_xml): Fix inverted condition.
(handle_query): Always support qXfer:feature:read.
* regformats/reg-ppc.dat: Rename "ps" to "msr".
* regformats/reg-ppc64.dat: Likewise.
gdbserver/ChangeLog:
* configure.srv [powerpc64-*-linux*]: Add all files mentioned for
powerpc-*-linux* to srv_regobj and reg_xmlfiles.
* linux-ppc-low.c (ppc_get_pc): Support bi-arch operation.
(ppc_set_pc): Likewise.
(ppc_arch_setup): New function.
(ppc_fill_gregset): Call ppc_collect_ptrace_register instead
of collect_register.
(the_low_target): Use ppc_arch_setup as arch_setup initializer.
* NEWS (New native configurations): Xtensa GNU/Linux.
(New targets): Xtensa GNU/Linux.
* Makefile.in (ALL_TARGET_OBS): Add xtensa-linux-nat.o and
xtensa-linux-tdep.o
(ALLDEPFILES): Add xtensa-linux-tdep.c and xtensa-linux-nat.c
(xtensa-linux-nat.o, xtensa-linux-tdep.o): New dependencies.
* configure.tgt (xtensa*-*-linux*): New entry.
* xtensa-config.c (xtensa_tdep): New variable.
(xtensa_config_byte_order, xtensa_config_tdep): Removed.
(rmap): Change format based on new macro XTREG.
(XTENSA_CONFIG_INSTANTIATE): Use new macro defined in xtensa-tdep.h.
* xtensa-linux-nat.c: New.
* xtensa-linux-tdep.c: New.
* xtensa-xtregs.c: New.
* xtensa-tdep.h (xtensa_elf_gregset_t): Update.
(XTENSA_ELF_NGREG, XTREG, XTREG_END, XTENSA_GDBARCH_TDEP_INSTANTIATE)
(XCHAL_NUM_CONTEXTS, XCHAL_HAVE_EXCEPTIONS): New macros.
(xtensa_register_t): New field coprocessor.
(XTENSA_REGISTER_FLAGS_PRIVILEGED): Name spelling corrected.
* xtensa-tdep.c (xtensa_config_tdep, xtensa_config_byte_order): Removed.
(xtensa_pseudo_register_read, xtensa_pseudo_register_write):
Update to handle privileged registers.
(xtensa_supply_gregset) Remove exccause and excvaddr registers.
(xtensa_push_dummy_call): Set windowstart register correctly.
(call0_analyze_prologue): Initialize xtensa_default_isa.
(xtensa_derive_tdep): New.
(xtensa_gdbarch_init): Get rid of xtensa_config_byte_order and
xtensa_config_tdep, use XCHAL_HAVE_BE and xtensa_tdep instead.
Call xtensa_derive_tdep().
* config/xtensa/linux.mh: New.
* regformats/reg-xtensa.dat: New.
mips64-linux.
* features/sort-regs.xsl: Correct typo.
* regformats/reg-mips.dat, regformats/reg-mips64.dat: Delete.
* regformats/mips-linux.dat, regformats/mips64-linux.dat: New generated
files.
* Makefile.in (clean): Clean new files instead of deleted ones.
(reg-mips.o, reg-mips.c, reg-mips64.o, reg-mips64.c): Delete.
(mips-linux.o, mips-linux.c, mips64-linux.o, mips64-linux.c): New
rules.
* configure.srv: Specify XML files and new regformats for MIPS and
MIPS64 GNU/Linux.
* linux-mips-low.c (mips_num_regs): Set to only used registers.
(mips_regmap): Do not fetch $0. Remove unused registers. Add
an entry for the restart register.
(mips_cannot_fetch_register, mips_cannot_store_register)
(mips_reinsert_addr, mips_fill_fpregset, mips_store_fpregset): Update
register names to match the XML descriptions.
(mips_fill_gregset, mips_store_gregset): Likewise. Handle the
restart register instead of $0.
Committed by Jim Blandy <jimb@redhat.com>.
* config/s390/nm-linux.h: Update comments. Do not include "solib.h".
(KERNEL_U_ADDR, REGISTER_U_ADDR, U_REGS_OFFSET): Remove.
(FETCH_INFERIOR_REGISTERS): Define.
* config/s390/s390.mh (NATDEPFILES): Remove core-aout.o and
core-regset.o.
* config/s390/s390x.mt: Remove.
* config/s390/tm-s390.h: Remove.
* config/s390/tm-linux.h: Do not include "s390/tm-s390.h".
(TARGET_ELF64): Remove.
(SKIP_TRAMPOLINE_CODE): Do not undefine.
* configure.tgt [s390-*-*, s390x-*-*]: Merge into single
s390*-*-* case; always set gdb_target to s390.
* regformats/reg-s390.dat: Remove control registers.
* regformats/reg-s390x.dat: Likewise.
* s390-tdep.h: New file.
* s390-nat.c: Do not include <asm/processor.h> or <value.h>.
Include "inferior.h" and "s390-tdep.h".
Remove private definition of offsetof.
(s390_register_u_addr): Remove.
(regmap_gregset, regmap_fpregset): Define.
(supply_gregset, fill_gregset): Reimplement.
(supply_fpregset, fill_fpregset): Likewise.
(s390_inferior_tid): New function.
(fetch_regs, store_regs, fetch_fpregs, store_fpregs): Likewise.
(fetch_inferior_registers, store_inferior_registers): Likewise.
* s390-tdep.c: Do not define S390_TDEP. Include "defs.h" instead
of <defs.h>. Include "reggroups.h", "regset.h", and "s390-tdep.h".
Global replace of S390_GP0_REGNUM by S390_R0_REGNUM.
Global replace of S390_FP0_REGNUM by S390_F0_REGNUM.
(struct gdbarch_tdep): Define.
(struct s390_register_info): Define.
(s390_register_info): New variable.
(s390_register_name): Reimplement.
(s390_register_type): New function.
(s390_register_raw_size, s390x_register_raw_size): Remove.
(s390_cannot_fetch_register): Remove.
(s390_register_byte): Remove.
(s390_register_virtual_type, s390x_register_virtual_type): Remove.
(s390_dwarf_regmap): New variable.
(s390_dwarf_reg_to_regnum): New function.
(s390_stab_reg_to_regnum): Remove.
(s390_pseudo_register_read, s390_pseudo_register_write): New functions.
(s390x_pseudo_register_read, s390x_pseudo_register_write): Likewise.
(s390_convert_register_p): Likewise.
(s390_register_to_value, s390_value_to_register): Likewise.
(s390_register_reggroup_p): Likewise.
(s390_regmap_gregset, s390x_regmap_gregset, s390_regmap_fpregset,
s390_gregset, s390x_gregset, s390_fpregset): New variables.
(s390_supply_regset, s390_regset_from_core_section): New functions.
(GDB_TARGET_IS_ESAME): Move here from tm-s390.h.
(S390_FPR_SIZE): Likewise.
(S390_GPR_SIZE): Likewise. Redefine in terms of GDB_TARGET_IS_ESAME.
Global replace of DEPRECATED_REGISTER_SIZE by S390_GPR_SIZE.
(S390_NUM_GPRS): Move here from tm-s390.h.
(S390_NUM_FPRS): Likewise.
(s390_in_function_epilogue_p): New function.
(s390_is_sigreturn): Replace S390_PSW_ADDR_SIZE by S390_GPR_SIZE.
Replace S390_PC_REGNUM by S390_PSWA_REGNUM.
(s390_gdbarch_init): Allocate and set up gdbarch_tdep structure.
Replace s390_stab_reg_to_regnum by s390_dwarf_reg_to_regnum.
Replace S390_FP_REGNUM by S390_SP_REGNUM.
Remove calls to:
set_gdbarch_deprecated_max_register_raw_size,
set_gdbarch_deprecated_max_register_virtual_size,
set_gdbarch_deprecated_register_byte,
set_gdbarch_cannot_fetch_register,
set_gdbarch_cannot_store_register,
set_gdbarch_deprecated_register_size,
set_gdbarch_deprecated_register_raw_size,
set_gdbarch_deprecated_register_virtual_size,
set_gdbarch_deprecated_register_virtual_type,
set_gdbarch_deprecated_register_bytes.
Add calls to:
set_gdbarch_num_pseudo_regs,
set_gdbarch_register_type,
set_gdbarch_convert_register_p,
set_gdbarch_register_to_value,
set_gdbarch_value_to_register,
set_gdbarch_register_reggroup_p,
set_gdbarch_regset_from_core_section,
set_gdbarch_pseudo_register_read,
set_gdbarch_pseudo_register_write,
set_gdbarch_in_function_epilogue_p.
* Makefile.in (s390-nat.o, s390-tdep.o): Update dependencies.
(s390_tdep_h): New variable.
* gdbserver/linux-low.c (usr_store_inferior_registers): Support
registers which are allowed to fail to store.
* gdbserver/linux-low.h (linux_target_ops): Likewise.
* gdbserver/linux-ppc-low.c (ppc_regmap): Support FPSCR.
(ppc_cannot_store_register): FPSCR may not be storable.
* regformats/reg-ppc.dat: Support FPSCR.
* gdbserver/acconfig.h: New file.
* gdbserver/i387-fp.c: New file.
* gdbserver/i387-fp.h: New file.
* gdbserver/linux-x86-64.c: New file.
* regformats/reg-x86-64.dat: New file.
* configure.tgt: Add x86_64-*-linux* gdbserver support.
& gdbserver/configure.srv: Add x86_64-*-linux* and regset support.
* gdbserver/configure.in: Add support for regsets.
* gdbserver/config.in: Regenerate.
* gdbserver/configure: Regenerate.
* gdbserver/Makefile.in: Likewise. Add $(linux_low_h).
* gdbserver/linux-low.h: New file.
* gdbserver/linux-low.c: Include "linux-low.h". Add support
for regsets.
* gdbserver/linux-arm-low.c: Include "linux-low.h".
* gdbserver/linux-ia64-low.c: Include "linux-low.h".
* gdbserver/linux-m68k-low.c: Include "linux-low.h".
* gdbserver/linux-mips-low.c: Include "linux-low.h".
* gdbserver/linux-ppc-low.c: Include "linux-low.h".
* gdbserver/linux-sh-low.c: Include "linux-low.h".
* gdbserver/linux-i386-low.c: Include "linux-low.h". Include
"i387-fp.h". Add PTRACE_GETREGS and friends.
* gdbserver/regcache.c (supply_register): New function.
(supply_register_by_name): New function.
(collect_register): New function.
(collect_register_by_name): New function.
* regformats/reg-i386-linux.dat: New file, with $orig_eax.
* gdbserver/Makefile.in: Add rules for reg-i386-linux.o.
* gdbserver/configure.srv: Change i386-*-linux* to use
reg-i386-linux.o.
