gdb/
* features/mips-dsp.xml: New file.
* features/mips64-dsp.xml: New file.
* features/mips-dsp-linux.xml: New file.
* features/mips64-dsp-linux.xml: New file.
* features/Makefile (WHICH): Add mips-dsp-linux and
mips64-dsp-linux.
(mips-dsp-expedite, mips64-dsp-expedite): New variables.
* features/mips-dsp-linux.c: New file.
* features/mips64-dsp-linux.c: New file.
* regformats/mips-dsp-linux.dat: New file.
* regformats/mips64-dsp-linux.dat: New file.
* mips-linux-nat.c (mips_linux_register_addr): Handle DSP
registers.
(mips64_linux_register_addr): Likewise.
(mips64_linux_regsets_fetch_registers): Likewise.
(mips64_linux_regsets_store_registers): Likewise.
(mips64_linux_fetch_registers): Update call to
mips64_linux_regsets_fetch_registers.
(mips64_linux_store_registers): Update call to
mips64_linux_regsets_store_registers.
(mips_linux_read_description): Probe for DSP registers.
(_initialize_mips_linux_nat): Call initialize_tdesc_mips_dsp_linux
and initialize_tdesc_mips64_dsp_linux.
* mips-linux-tdep.c (supply_gregset, mips64_supply_gregset):
Remove padding of no longer used embedded register slots.
* mips-linux-tdep.h (DSP_BASE, DSP_CONTROL): New macros.
(MIPS_RESTART_REGNUM): Redefine enum value.
* mips-tdep.c (mips_generic_reg_names): Remove trailing null
strings.
(mips_tx39_reg_names): Likewise.
(mips_linux_reg_names): New array of register names for Linux
targets.
(mips_register_name): Check for a null pointer in
mips_processor_reg_names and return an empty string.
(mips_register_type): Exclude embedded registers for the IRIX
and Linux ABIs.
(mips_pseudo_register_type): Likewise. Use dynamic numbers to
refer to FP registers, LO, HI, BadVAddr, Cause and PC. Handle
DSP registers.
(mips_stab_reg_to_regnum): Handle DSP accumulators.
(mips_dwarf_dwarf2_ecoff_reg_to_regnum): Likewise.
(mips_gdbarch_init): Likewise. Initialize internal register
indices for the Linux ABI. Use dynamic numbers to refer to
registers, as applicable, while parsing the target description.
* mips-tdep.h (struct mips_regnum): Add dspacc/dspctl offsets.
gdb/doc/
* gdb.texinfo (MIPS Features): Add org.gnu.gdb.mips.dsp.
gdb/gdbserver/
* linux-low.h (linux_target_ops): Add regset_bitmap member.
* linux-low.c (use_linux_regsets): New macro.
[!HAVE_LINUX_REGSETS] (regsets_fetch_inferior_registers): Likewise.
[!HAVE_LINUX_REGSETS] (regsets_store_inferior_registers): Likewise.
(linux_register_in_regsets): New function.
(usr_fetch_inferior_registers): Skip registers covered by
regsets.
(usr_store_inferior_registers): Likewise.
(usr_fetch_inferior_registers): New macro.
(usr_store_inferior_registers): Likewise.
(linux_fetch_registers): Handle mixed regset/non-regset targets.
(linux_store_registers): Likewise.
* linux-mips-low.c (init_registers_mips_dsp_linux): New
prototype.
(init_registers_mips64_dsp_linux): Likewise.
(init_registers_mips_linux): New macro.
(init_registers_mips_dsp_linux): Likewise.
(mips_dsp_num_regs): Likewise.
(DSP_BASE, DSP_CONTROL): New fallback macros.
(mips_base_regs): New macro.
(mips_regmap): Use it. Fix the size.
(mips_dsp_regmap): New variable.
(mips_dsp_regset_bitmap): Likewise.
(mips_arch_setup): New function.
(mips_cannot_fetch_register): Use the_low_target.regmap rather
than mips_regmap.
(mips_cannot_store_register): Likewise.
(the_low_target): Update .arch_setup, .num_regs and .regmap
initializers. Add .regset_bitmap initializer.
* linux-arm-low.c (the_low_target): Add .regset_bitmap
initializer.
* linux-bfin-low.c (the_low_target): Likewise.
* linux-cris-low.c (the_low_target): Likewise.
* linux-crisv32-low.c (the_low_target): Likewise.
* linux-ia64-low.c (the_low_target): Likewise.
* linux-m32r-low.c (the_low_target): Likewise.
* linux-m68k-low.c (the_low_target): Likewise.
* linux-ppc-low.c (the_low_target): Likewise.
* linux-s390-low.c (the_low_target): Likewise.
* linux-sh-low.c (the_low_target): Likewise.
* linux-sparc-low.c (the_low_target): Likewise.
* linux-tic6x-low.c (the_low_target): Likewise.
* linux-x86-low.c (the_low_target): Likewise.
* linux-xtensa-low.c (the_low_target): Likewise.
* configure.srv <mips*-*-linux*>: Add mips-dsp-linux.o and
mips64-dsp-linux.o to srv_regobj. Add mips-dsp-linux.xml,
mips64-dsp-linux.xml, mips-dsp.xml and mips64-dsp.xml to
srv_xmlfiles.
* Makefile.in (mips-dsp-linux.o, mips-dsp-linux.c): New targets.
(mips64-dsp-linux.o, mips64-dsp-linux.c): Likewise.
gdb/testsuite/
* gdb.xml/tdesc-regs.exp: Add "mips-dsp.xml" to the list of MIPS
core registers.
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