binutils-gdb/gdb/mips-tdep.h

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/* Target-dependent header for the MIPS architecture, for GDB, the GNU Debugger.
Copyright (C) 2002-2003, 2007-2012 Free Software Foundation, Inc.
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This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef MIPS_TDEP_H
#define MIPS_TDEP_H
struct gdbarch;
/* All the possible MIPS ABIs. */
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enum mips_abi
{
MIPS_ABI_UNKNOWN = 0,
MIPS_ABI_N32,
MIPS_ABI_O32,
MIPS_ABI_N64,
MIPS_ABI_O64,
MIPS_ABI_EABI32,
MIPS_ABI_EABI64,
MIPS_ABI_LAST
};
/* Return the MIPS ABI associated with GDBARCH. */
enum mips_abi mips_abi (struct gdbarch *gdbarch);
gdb/ * NEWS: Add microMIPS support and "set mips compression", "show mips compression" commands. * mips-tdep.h (mips_isa): New enum. (gdbarch_tdep): Add mips_isa. (mips_pc_is_mips16): Update prototype. (mips_pc_is_mips, mips_pc_is_micromips): New prototypes. * mips-tdep.c (mips_compression_mips16): New variable. (mips_compression_micromips): Likewise. (mips_compression_strings): Likewise. (mips_compression_string): Likewise. (is_mips16_isa, is_micromips_isa): New functions. (is_mips16_addr): Rename to... (is_compact_addr): ... this. (unmake_mips16_addr): Likewise to... (unmake_compact_addr): ... this. (make_mips16_addr): Likewise to... (make_compact_addr): ... this. (is_mips_addr, is_mips16_addr, is_micromips_addr): New functions. (mips_elf_make_msymbol_special): Handle microMIPS code. (msymbol_is_special): Rename to... (msymbol_is_mips16): ... this. (mips_make_symbol_special, mips_pc_is_mips16): Update accordingly. (msymbol_is_mips, msymbol_is_micromips): New functions. (mips16_to_32_reg): Rename to... (mips_reg3_to_reg): ... this. (mips_pc_is_mips, mips_pc_is_micromips): New functions. (mips_pc_isa): Likewise. (mips_read_pc, mips_unwind_pc, mips_write_pc): Handle microMIPS code. (mips_fetch_instruction): Pass return status instead of printing an error message if requested. Handle microMIPS code. Bail out on an invalid ISA. (micromips_op): New macro. (b0s4_imm, b0s5_imm, b0s5_reg, b0s7_imm, b0s10_imm): Likewise. (b1s9_imm, b2s3_cc, b4s2_regl, b5s5_op, b5s5_reg): Likewise. (b6s4_op, b7s3_reg): Likewise. (b0s6_op, b0s11_op, b0s12_imm, b0s16_imm, b0s26_imm): Likewise. (b6s10_ext, b11s5_reg, b12s4_op): Likewise. (mips_insn_size): New function. (mips32_next_pc): Update mips_fetch_instruction call. (micromips_relative_offset7): New function. (micromips_relative_offset10): Likewise. (micromips_relative_offset16): Likewise. (micromips_pc_insn_size): Likewise. (micromips_bc1_pc): Likewise. (micromips_next_pc): Likewise. (unpack_mips16): Update mips_fetch_instruction call. (extended_mips16_next_pc): Update according to change to mips16_to_32_reg. (mips_next_pc): Update mips_pc_is_mips16 call. Handle microMIPS code. (mips16_scan_prologue): Update mips_fetch_instruction call. Update according to change to mips16_to_32_reg. (mips_insn16_frame_sniffer): Update mips_pc_is_mips16 call. (mips_insn16_frame_base_sniffer): Likewise. (micromips_decode_imm9): New function. (micromips_scan_prologue): Likewise. (mips_micro_frame_cache): Likewise. (mips_micro_frame_this_id): Likewise. (mips_micro_frame_prev_register): Likewise. (mips_micro_frame_sniffer): Likewise. (mips_micro_frame_unwind): New variable. (mips_micro_frame_base_address): New function. (mips_micro_frame_base): New variable. (mips_micro_frame_base_sniffer): New function. (mips32_scan_prologue): Update mips_fetch_instruction call. (mips_insn32_frame_sniffer): Check for the standard MIPS ISA rather than for MIPS16. (mips_insn32_frame_base_sniffer): Likewise. (mips_addr_bits_remove): Handle microMIPS code. (deal_with_atomic_sequence): Rename to... (mips_deal_with_atomic_sequence): ... this. Update the type of the variable used to hold an instruction. Remove the ISA bit check. Update mips_fetch_instruction call. (micromips_deal_with_atomic_sequence): New function. (deal_with_atomic_sequence): Likewise. (mips_about_to_return): Handle microMIPS code. Update mips_fetch_instruction call. (heuristic_proc_start): Check for the standard MIPS ISA rather than for MIPS16. Update mips_pc_is_mips16 and mips_fetch_instruction calls. Handle microMIPS code. (mips_push_dummy_code): Handle microMIPS code. (mips_eabi_push_dummy_call): Likewise. (mips_o32_return_value): Update mips_pc_is_mips16 call. (mips_o64_push_dummy_call): Handle microMIPS code. (mips_o64_return_value): Update mips_pc_is_mips16 call. (is_delayed): Remove function. (mips_single_step_through_delay): Replace the call to is_delayed with mips32_instruction_has_delay_slot. Correct MIPS16 handling. Handle microMIPS code. (mips_skip_prologue): Update mips_pc_is_mips16 call. Handle microMIPS code. (mips32_in_function_epilogue_p): Update mips_fetch_instruction call. (micromips_in_function_epilogue_p): New function. (mips16_in_function_epilogue_p): Update mips_fetch_instruction call. (mips_in_function_epilogue_p): Update mips_pc_is_mips16 call. Handle microMIPS. (gdb_print_insn_mips): Likewise. (mips_breakpoint_from_pc): Likewise. (mips_remote_breakpoint_from_pc): New function. (mips32_instruction_has_delay_slot): Simplify making use of the updated mips_fetch_instruction interface. (micromips_instruction_has_delay_slot): New function. (mips16_instruction_has_delay_slot): Simplify making use of the updated mips_fetch_instruction interface. (mips_adjust_breakpoint_address): Check for the standard MIPS ISA rather than for MIPS16 ISA. Update for unmake_compact_addr calls. Handle microMIPS code. (mips_get_mips16_fn_stub_pc): Update mips_fetch_instruction call. (mips_skip_trampoline_code): Handle microMIPS code. (global_mips_compression): New function. (mips_gdbarch_init): Handle the compressed ISA setting from ELF file flags. Register the microMIPS remote breakpoint handler and heuristic frame unwinder. (show_mips_compression): New function. (_initialize_mips_tdep): Add the "set mips compression" and "show mips compression" commands. gdb/doc/ * gdb.texinfo (MIPS): Document "set mips compression" and "show mips compression". (MIPS Breakpoint Kinds): New subsubsection.
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/* Base and compressed MIPS ISA variations. */
enum mips_isa
{
ISA_MIPS = -1, /* mips_compression_string depends on it. */
ISA_MIPS16,
ISA_MICROMIPS
};
/* Return the MIPS ISA's register size. Just a short cut to the BFD
architecture's word size. */
extern int mips_isa_regsize (struct gdbarch *gdbarch);
/* Return the current index for various MIPS registers. */
struct mips_regnum
{
int pc;
int fp0;
int fp_implementation_revision;
int fp_control_status;
int badvaddr; /* Bad vaddr for addressing exception. */
int cause; /* Describes last exception. */
int hi; /* Multiply/divide temp. */
int lo; /* ... */
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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int dspacc; /* SmartMIPS/DSP accumulators. */
int dspctl; /* DSP control. */
};
extern const struct mips_regnum *mips_regnum (struct gdbarch *gdbarch);
/* Some MIPS boards don't support floating point while others only
support single-precision floating-point operations. */
enum mips_fpu_type
{
MIPS_FPU_DOUBLE, /* Full double precision floating point. */
MIPS_FPU_SINGLE, /* Single precision floating point (R4650). */
MIPS_FPU_NONE /* No floating point. */
};
/* MIPS specific per-architecture information. */
struct gdbarch_tdep
{
/* from the elf header */
int elf_flags;
/* mips options */
enum mips_abi mips_abi;
enum mips_abi found_abi;
gdb/ * NEWS: Add microMIPS support and "set mips compression", "show mips compression" commands. * mips-tdep.h (mips_isa): New enum. (gdbarch_tdep): Add mips_isa. (mips_pc_is_mips16): Update prototype. (mips_pc_is_mips, mips_pc_is_micromips): New prototypes. * mips-tdep.c (mips_compression_mips16): New variable. (mips_compression_micromips): Likewise. (mips_compression_strings): Likewise. (mips_compression_string): Likewise. (is_mips16_isa, is_micromips_isa): New functions. (is_mips16_addr): Rename to... (is_compact_addr): ... this. (unmake_mips16_addr): Likewise to... (unmake_compact_addr): ... this. (make_mips16_addr): Likewise to... (make_compact_addr): ... this. (is_mips_addr, is_mips16_addr, is_micromips_addr): New functions. (mips_elf_make_msymbol_special): Handle microMIPS code. (msymbol_is_special): Rename to... (msymbol_is_mips16): ... this. (mips_make_symbol_special, mips_pc_is_mips16): Update accordingly. (msymbol_is_mips, msymbol_is_micromips): New functions. (mips16_to_32_reg): Rename to... (mips_reg3_to_reg): ... this. (mips_pc_is_mips, mips_pc_is_micromips): New functions. (mips_pc_isa): Likewise. (mips_read_pc, mips_unwind_pc, mips_write_pc): Handle microMIPS code. (mips_fetch_instruction): Pass return status instead of printing an error message if requested. Handle microMIPS code. Bail out on an invalid ISA. (micromips_op): New macro. (b0s4_imm, b0s5_imm, b0s5_reg, b0s7_imm, b0s10_imm): Likewise. (b1s9_imm, b2s3_cc, b4s2_regl, b5s5_op, b5s5_reg): Likewise. (b6s4_op, b7s3_reg): Likewise. (b0s6_op, b0s11_op, b0s12_imm, b0s16_imm, b0s26_imm): Likewise. (b6s10_ext, b11s5_reg, b12s4_op): Likewise. (mips_insn_size): New function. (mips32_next_pc): Update mips_fetch_instruction call. (micromips_relative_offset7): New function. (micromips_relative_offset10): Likewise. (micromips_relative_offset16): Likewise. (micromips_pc_insn_size): Likewise. (micromips_bc1_pc): Likewise. (micromips_next_pc): Likewise. (unpack_mips16): Update mips_fetch_instruction call. (extended_mips16_next_pc): Update according to change to mips16_to_32_reg. (mips_next_pc): Update mips_pc_is_mips16 call. Handle microMIPS code. (mips16_scan_prologue): Update mips_fetch_instruction call. Update according to change to mips16_to_32_reg. (mips_insn16_frame_sniffer): Update mips_pc_is_mips16 call. (mips_insn16_frame_base_sniffer): Likewise. (micromips_decode_imm9): New function. (micromips_scan_prologue): Likewise. (mips_micro_frame_cache): Likewise. (mips_micro_frame_this_id): Likewise. (mips_micro_frame_prev_register): Likewise. (mips_micro_frame_sniffer): Likewise. (mips_micro_frame_unwind): New variable. (mips_micro_frame_base_address): New function. (mips_micro_frame_base): New variable. (mips_micro_frame_base_sniffer): New function. (mips32_scan_prologue): Update mips_fetch_instruction call. (mips_insn32_frame_sniffer): Check for the standard MIPS ISA rather than for MIPS16. (mips_insn32_frame_base_sniffer): Likewise. (mips_addr_bits_remove): Handle microMIPS code. (deal_with_atomic_sequence): Rename to... (mips_deal_with_atomic_sequence): ... this. Update the type of the variable used to hold an instruction. Remove the ISA bit check. Update mips_fetch_instruction call. (micromips_deal_with_atomic_sequence): New function. (deal_with_atomic_sequence): Likewise. (mips_about_to_return): Handle microMIPS code. Update mips_fetch_instruction call. (heuristic_proc_start): Check for the standard MIPS ISA rather than for MIPS16. Update mips_pc_is_mips16 and mips_fetch_instruction calls. Handle microMIPS code. (mips_push_dummy_code): Handle microMIPS code. (mips_eabi_push_dummy_call): Likewise. (mips_o32_return_value): Update mips_pc_is_mips16 call. (mips_o64_push_dummy_call): Handle microMIPS code. (mips_o64_return_value): Update mips_pc_is_mips16 call. (is_delayed): Remove function. (mips_single_step_through_delay): Replace the call to is_delayed with mips32_instruction_has_delay_slot. Correct MIPS16 handling. Handle microMIPS code. (mips_skip_prologue): Update mips_pc_is_mips16 call. Handle microMIPS code. (mips32_in_function_epilogue_p): Update mips_fetch_instruction call. (micromips_in_function_epilogue_p): New function. (mips16_in_function_epilogue_p): Update mips_fetch_instruction call. (mips_in_function_epilogue_p): Update mips_pc_is_mips16 call. Handle microMIPS. (gdb_print_insn_mips): Likewise. (mips_breakpoint_from_pc): Likewise. (mips_remote_breakpoint_from_pc): New function. (mips32_instruction_has_delay_slot): Simplify making use of the updated mips_fetch_instruction interface. (micromips_instruction_has_delay_slot): New function. (mips16_instruction_has_delay_slot): Simplify making use of the updated mips_fetch_instruction interface. (mips_adjust_breakpoint_address): Check for the standard MIPS ISA rather than for MIPS16 ISA. Update for unmake_compact_addr calls. Handle microMIPS code. (mips_get_mips16_fn_stub_pc): Update mips_fetch_instruction call. (mips_skip_trampoline_code): Handle microMIPS code. (global_mips_compression): New function. (mips_gdbarch_init): Handle the compressed ISA setting from ELF file flags. Register the microMIPS remote breakpoint handler and heuristic frame unwinder. (show_mips_compression): New function. (_initialize_mips_tdep): Add the "set mips compression" and "show mips compression" commands. gdb/doc/ * gdb.texinfo (MIPS): Document "set mips compression" and "show mips compression". (MIPS Breakpoint Kinds): New subsubsection.
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enum mips_isa mips_isa;
enum mips_fpu_type mips_fpu_type;
int mips_last_arg_regnum;
int mips_last_fp_arg_regnum;
int default_mask_address_p;
/* Is the target using 64-bit raw integer registers but only
storing a left-aligned 32-bit value in each? */
int mips64_transfers_32bit_regs_p;
/* Indexes for various registers. IRIX and embedded have
different values. This contains the "public" fields. Don't
add any that do not need to be public. */
const struct mips_regnum *regnum;
/* Register names table for the current register set. */
const char **mips_processor_reg_names;
/* The size of register data available from the target, if known.
This doesn't quite obsolete the manual
mips64_transfers_32bit_regs_p, since that is documented to force
left alignment even for big endian (very strange). */
int register_size_valid_p;
int register_size;
/* General-purpose registers. */
struct regset *gregset;
struct regset *gregset64;
/* Floating-point registers. */
struct regset *fpregset;
struct regset *fpregset64;
/* Return the expected next PC if FRAME is stopped at a syscall
instruction. */
CORE_ADDR (*syscall_next_pc) (struct frame_info *frame);
};
/* Register numbers of various important registers. */
enum
{
MIPS_ZERO_REGNUM = 0, /* Read-only register, always 0. */
MIPS_AT_REGNUM = 1,
MIPS_V0_REGNUM = 2, /* Function integer return value. */
MIPS_A0_REGNUM = 4, /* Loc of first arg during a subr call. */
MIPS_S2_REGNUM = 18, /* Contains return address in MIPS16 thunks. */
MIPS_T9_REGNUM = 25, /* Contains address of callee in PIC. */
MIPS_GP_REGNUM = 28,
MIPS_SP_REGNUM = 29,
MIPS_RA_REGNUM = 31,
MIPS_PS_REGNUM = 32, /* Contains processor status. */
MIPS_EMBED_LO_REGNUM = 33,
MIPS_EMBED_HI_REGNUM = 34,
MIPS_EMBED_BADVADDR_REGNUM = 35,
MIPS_EMBED_CAUSE_REGNUM = 36,
MIPS_EMBED_PC_REGNUM = 37,
MIPS_EMBED_FP0_REGNUM = 38,
MIPS_UNUSED_REGNUM = 73, /* Never used, FIXME. */
MIPS_FIRST_EMBED_REGNUM = 74, /* First CP0 register for embedded use. */
MIPS_PRID_REGNUM = 89, /* Processor ID. */
MIPS_LAST_EMBED_REGNUM = 89 /* Last one. */
};
/* Defined in mips-tdep.c and used in remote-mips.c. */
extern void deprecated_mips_set_processor_regs_hack (void);
/* Instruction sizes and other useful constants. */
enum
{
MIPS_INSN16_SIZE = 2,
MIPS_INSN32_SIZE = 4,
/* The number of floating-point or integer registers. */
MIPS_NUMREGS = 32
};
/* Single step based on where the current instruction will take us. */
* gdbarch.sh (software_single_step): Replace REGCACHE argument by FRAME argument. * gdbarch.c, gdbarch.h: Regenerate. * infrun.c (resume): Pass current frame to SOFTWARE_SINGLE_STEP. * alpha-tdep.c (alpha_next_pc): Add FRAME argument. Retrieve registers from FRAME instead of using read_register. (alpha_software_single_step): Replace REGCACHE by FRAME. Pass FRAME to alpha_next_pc. Use get_frame_pc instead of read_pc. * alpha-tdep.h (alpha_software_single_step): Replace REGCACHE argument by FRAME. * arm-tdep.c (shifted_reg_val): Add FRAME argument. Read registers from FRAME instead of using read_register. (thumb_get_next_pc): Likewise. (arm_get_next_pc): Likewise. (arm_software_single_step): Replace REGCACHE by FRAME. Pass FRAME to arm_get_next_pc. Use get_frame_pc instead of read_register. * arm-tdep.h (arm_software_single_step): Replace REGCACHE argument by FRAME. * cris-tdep.c (find_step_target): Add FRAME argument. Read registers from FRAME instead of using read_register. (cris_software_single_step): Replace REGCACHE by FRAME. Pass FRAME to find_step_target. * mips-tdep.c (mips32_next_pc): Add FRAME argument. Read registers from FRAME instead of using read_register / read_signed_register. (extended_mips16_next_pc): Likewise. (mips16_next_pc): Likewise. (mips_next_pc): Likewise. (mips_software_single_step): Replace REGCACHE by FRAME. Pass FRAME to mips_next_pc. Use get_frame_pc instead of read_pc. * mips-tdep.h (mips_software_single_step): Replace REGCACHE argument by FRAME. * rs6000-tdep.c (branch_dest): Add FRAME argument. Use it instead of current frame. Read registers from FRAME. (deal_with_atomic_sequence): Add FRAME argument. Pass it to branch_dest. Use get_frame_pc instead of read_pc. (rs6000_software_single_step): Likewise. (bl_to_blrl_insn_p): Do not call branch_dest. * rs6000-tdep.h (rs6000_software_single_step): Replace REGCACHE argument by FRAME. * sparc64-linux-tdep.c (sparc64_linux_step_trap): Add FRAME argument. Read registers from FRAME instead of current regcache. * sparc-linux-tdep.c (sparc32_linux_step_trap): Likewise. * sparcnbsd-tdep.c (sparcnbsd_step_trap): Likewise. * sparc-tdep.c (sparc_address_from_register): Remove. (sparc_analyze_control_transfer): Pass FRAME argument instead of GDBARCH. Pass FRAME to step_trap callback. (sparc_step_trap): Add FRAME argument. (space_software_single_step): Replace REGCACHE by FRAME. Pass FRAME to sparc_analyze_control_transfer. Read registers from FRAME instead of calling sparc_address_from_register. * sparc-tdep.h (struct gdbarch_tdep): Add FRAME argument to step_trap callback. (sparc_address_from_register): Remove prototype. (sparc_software_single_step): Replace REGCACHE argument by FRAME. (sparcnbsd_step_trap): Add FRAME argument. * spu-tdep.c (spu_software_single_step): Replace REGCACHE argument by FRAME. Read registers from FRAME instead of REGCACHE.
2007-06-16 00:37:35 +02:00
extern int mips_software_single_step (struct frame_info *frame);
gdb/ * NEWS: Add microMIPS support and "set mips compression", "show mips compression" commands. * mips-tdep.h (mips_isa): New enum. (gdbarch_tdep): Add mips_isa. (mips_pc_is_mips16): Update prototype. (mips_pc_is_mips, mips_pc_is_micromips): New prototypes. * mips-tdep.c (mips_compression_mips16): New variable. (mips_compression_micromips): Likewise. (mips_compression_strings): Likewise. (mips_compression_string): Likewise. (is_mips16_isa, is_micromips_isa): New functions. (is_mips16_addr): Rename to... (is_compact_addr): ... this. (unmake_mips16_addr): Likewise to... (unmake_compact_addr): ... this. (make_mips16_addr): Likewise to... (make_compact_addr): ... this. (is_mips_addr, is_mips16_addr, is_micromips_addr): New functions. (mips_elf_make_msymbol_special): Handle microMIPS code. (msymbol_is_special): Rename to... (msymbol_is_mips16): ... this. (mips_make_symbol_special, mips_pc_is_mips16): Update accordingly. (msymbol_is_mips, msymbol_is_micromips): New functions. (mips16_to_32_reg): Rename to... (mips_reg3_to_reg): ... this. (mips_pc_is_mips, mips_pc_is_micromips): New functions. (mips_pc_isa): Likewise. (mips_read_pc, mips_unwind_pc, mips_write_pc): Handle microMIPS code. (mips_fetch_instruction): Pass return status instead of printing an error message if requested. Handle microMIPS code. Bail out on an invalid ISA. (micromips_op): New macro. (b0s4_imm, b0s5_imm, b0s5_reg, b0s7_imm, b0s10_imm): Likewise. (b1s9_imm, b2s3_cc, b4s2_regl, b5s5_op, b5s5_reg): Likewise. (b6s4_op, b7s3_reg): Likewise. (b0s6_op, b0s11_op, b0s12_imm, b0s16_imm, b0s26_imm): Likewise. (b6s10_ext, b11s5_reg, b12s4_op): Likewise. (mips_insn_size): New function. (mips32_next_pc): Update mips_fetch_instruction call. (micromips_relative_offset7): New function. (micromips_relative_offset10): Likewise. (micromips_relative_offset16): Likewise. (micromips_pc_insn_size): Likewise. (micromips_bc1_pc): Likewise. (micromips_next_pc): Likewise. (unpack_mips16): Update mips_fetch_instruction call. (extended_mips16_next_pc): Update according to change to mips16_to_32_reg. (mips_next_pc): Update mips_pc_is_mips16 call. Handle microMIPS code. (mips16_scan_prologue): Update mips_fetch_instruction call. Update according to change to mips16_to_32_reg. (mips_insn16_frame_sniffer): Update mips_pc_is_mips16 call. (mips_insn16_frame_base_sniffer): Likewise. (micromips_decode_imm9): New function. (micromips_scan_prologue): Likewise. (mips_micro_frame_cache): Likewise. (mips_micro_frame_this_id): Likewise. (mips_micro_frame_prev_register): Likewise. (mips_micro_frame_sniffer): Likewise. (mips_micro_frame_unwind): New variable. (mips_micro_frame_base_address): New function. (mips_micro_frame_base): New variable. (mips_micro_frame_base_sniffer): New function. (mips32_scan_prologue): Update mips_fetch_instruction call. (mips_insn32_frame_sniffer): Check for the standard MIPS ISA rather than for MIPS16. (mips_insn32_frame_base_sniffer): Likewise. (mips_addr_bits_remove): Handle microMIPS code. (deal_with_atomic_sequence): Rename to... (mips_deal_with_atomic_sequence): ... this. Update the type of the variable used to hold an instruction. Remove the ISA bit check. Update mips_fetch_instruction call. (micromips_deal_with_atomic_sequence): New function. (deal_with_atomic_sequence): Likewise. (mips_about_to_return): Handle microMIPS code. Update mips_fetch_instruction call. (heuristic_proc_start): Check for the standard MIPS ISA rather than for MIPS16. Update mips_pc_is_mips16 and mips_fetch_instruction calls. Handle microMIPS code. (mips_push_dummy_code): Handle microMIPS code. (mips_eabi_push_dummy_call): Likewise. (mips_o32_return_value): Update mips_pc_is_mips16 call. (mips_o64_push_dummy_call): Handle microMIPS code. (mips_o64_return_value): Update mips_pc_is_mips16 call. (is_delayed): Remove function. (mips_single_step_through_delay): Replace the call to is_delayed with mips32_instruction_has_delay_slot. Correct MIPS16 handling. Handle microMIPS code. (mips_skip_prologue): Update mips_pc_is_mips16 call. Handle microMIPS code. (mips32_in_function_epilogue_p): Update mips_fetch_instruction call. (micromips_in_function_epilogue_p): New function. (mips16_in_function_epilogue_p): Update mips_fetch_instruction call. (mips_in_function_epilogue_p): Update mips_pc_is_mips16 call. Handle microMIPS. (gdb_print_insn_mips): Likewise. (mips_breakpoint_from_pc): Likewise. (mips_remote_breakpoint_from_pc): New function. (mips32_instruction_has_delay_slot): Simplify making use of the updated mips_fetch_instruction interface. (micromips_instruction_has_delay_slot): New function. (mips16_instruction_has_delay_slot): Simplify making use of the updated mips_fetch_instruction interface. (mips_adjust_breakpoint_address): Check for the standard MIPS ISA rather than for MIPS16 ISA. Update for unmake_compact_addr calls. Handle microMIPS code. (mips_get_mips16_fn_stub_pc): Update mips_fetch_instruction call. (mips_skip_trampoline_code): Handle microMIPS code. (global_mips_compression): New function. (mips_gdbarch_init): Handle the compressed ISA setting from ELF file flags. Register the microMIPS remote breakpoint handler and heuristic frame unwinder. (show_mips_compression): New function. (_initialize_mips_tdep): Add the "set mips compression" and "show mips compression" commands. gdb/doc/ * gdb.texinfo (MIPS): Document "set mips compression" and "show mips compression". (MIPS Breakpoint Kinds): New subsubsection.
2012-05-19 01:46:40 +02:00
/* Tell if the program counter value in MEMADDR is in a standard
MIPS function. */
extern int mips_pc_is_mips (bfd_vma memaddr);
/* Tell if the program counter value in MEMADDR is in a MIPS16
function. */
gdb/ * NEWS: Add microMIPS support and "set mips compression", "show mips compression" commands. * mips-tdep.h (mips_isa): New enum. (gdbarch_tdep): Add mips_isa. (mips_pc_is_mips16): Update prototype. (mips_pc_is_mips, mips_pc_is_micromips): New prototypes. * mips-tdep.c (mips_compression_mips16): New variable. (mips_compression_micromips): Likewise. (mips_compression_strings): Likewise. (mips_compression_string): Likewise. (is_mips16_isa, is_micromips_isa): New functions. (is_mips16_addr): Rename to... (is_compact_addr): ... this. (unmake_mips16_addr): Likewise to... (unmake_compact_addr): ... this. (make_mips16_addr): Likewise to... (make_compact_addr): ... this. (is_mips_addr, is_mips16_addr, is_micromips_addr): New functions. (mips_elf_make_msymbol_special): Handle microMIPS code. (msymbol_is_special): Rename to... (msymbol_is_mips16): ... this. (mips_make_symbol_special, mips_pc_is_mips16): Update accordingly. (msymbol_is_mips, msymbol_is_micromips): New functions. (mips16_to_32_reg): Rename to... (mips_reg3_to_reg): ... this. (mips_pc_is_mips, mips_pc_is_micromips): New functions. (mips_pc_isa): Likewise. (mips_read_pc, mips_unwind_pc, mips_write_pc): Handle microMIPS code. (mips_fetch_instruction): Pass return status instead of printing an error message if requested. Handle microMIPS code. Bail out on an invalid ISA. (micromips_op): New macro. (b0s4_imm, b0s5_imm, b0s5_reg, b0s7_imm, b0s10_imm): Likewise. (b1s9_imm, b2s3_cc, b4s2_regl, b5s5_op, b5s5_reg): Likewise. (b6s4_op, b7s3_reg): Likewise. (b0s6_op, b0s11_op, b0s12_imm, b0s16_imm, b0s26_imm): Likewise. (b6s10_ext, b11s5_reg, b12s4_op): Likewise. (mips_insn_size): New function. (mips32_next_pc): Update mips_fetch_instruction call. (micromips_relative_offset7): New function. (micromips_relative_offset10): Likewise. (micromips_relative_offset16): Likewise. (micromips_pc_insn_size): Likewise. (micromips_bc1_pc): Likewise. (micromips_next_pc): Likewise. (unpack_mips16): Update mips_fetch_instruction call. (extended_mips16_next_pc): Update according to change to mips16_to_32_reg. (mips_next_pc): Update mips_pc_is_mips16 call. Handle microMIPS code. (mips16_scan_prologue): Update mips_fetch_instruction call. Update according to change to mips16_to_32_reg. (mips_insn16_frame_sniffer): Update mips_pc_is_mips16 call. (mips_insn16_frame_base_sniffer): Likewise. (micromips_decode_imm9): New function. (micromips_scan_prologue): Likewise. (mips_micro_frame_cache): Likewise. (mips_micro_frame_this_id): Likewise. (mips_micro_frame_prev_register): Likewise. (mips_micro_frame_sniffer): Likewise. (mips_micro_frame_unwind): New variable. (mips_micro_frame_base_address): New function. (mips_micro_frame_base): New variable. (mips_micro_frame_base_sniffer): New function. (mips32_scan_prologue): Update mips_fetch_instruction call. (mips_insn32_frame_sniffer): Check for the standard MIPS ISA rather than for MIPS16. (mips_insn32_frame_base_sniffer): Likewise. (mips_addr_bits_remove): Handle microMIPS code. (deal_with_atomic_sequence): Rename to... (mips_deal_with_atomic_sequence): ... this. Update the type of the variable used to hold an instruction. Remove the ISA bit check. Update mips_fetch_instruction call. (micromips_deal_with_atomic_sequence): New function. (deal_with_atomic_sequence): Likewise. (mips_about_to_return): Handle microMIPS code. Update mips_fetch_instruction call. (heuristic_proc_start): Check for the standard MIPS ISA rather than for MIPS16. Update mips_pc_is_mips16 and mips_fetch_instruction calls. Handle microMIPS code. (mips_push_dummy_code): Handle microMIPS code. (mips_eabi_push_dummy_call): Likewise. (mips_o32_return_value): Update mips_pc_is_mips16 call. (mips_o64_push_dummy_call): Handle microMIPS code. (mips_o64_return_value): Update mips_pc_is_mips16 call. (is_delayed): Remove function. (mips_single_step_through_delay): Replace the call to is_delayed with mips32_instruction_has_delay_slot. Correct MIPS16 handling. Handle microMIPS code. (mips_skip_prologue): Update mips_pc_is_mips16 call. Handle microMIPS code. (mips32_in_function_epilogue_p): Update mips_fetch_instruction call. (micromips_in_function_epilogue_p): New function. (mips16_in_function_epilogue_p): Update mips_fetch_instruction call. (mips_in_function_epilogue_p): Update mips_pc_is_mips16 call. Handle microMIPS. (gdb_print_insn_mips): Likewise. (mips_breakpoint_from_pc): Likewise. (mips_remote_breakpoint_from_pc): New function. (mips32_instruction_has_delay_slot): Simplify making use of the updated mips_fetch_instruction interface. (micromips_instruction_has_delay_slot): New function. (mips16_instruction_has_delay_slot): Simplify making use of the updated mips_fetch_instruction interface. (mips_adjust_breakpoint_address): Check for the standard MIPS ISA rather than for MIPS16 ISA. Update for unmake_compact_addr calls. Handle microMIPS code. (mips_get_mips16_fn_stub_pc): Update mips_fetch_instruction call. (mips_skip_trampoline_code): Handle microMIPS code. (global_mips_compression): New function. (mips_gdbarch_init): Handle the compressed ISA setting from ELF file flags. Register the microMIPS remote breakpoint handler and heuristic frame unwinder. (show_mips_compression): New function. (_initialize_mips_tdep): Add the "set mips compression" and "show mips compression" commands. gdb/doc/ * gdb.texinfo (MIPS): Document "set mips compression" and "show mips compression". (MIPS Breakpoint Kinds): New subsubsection.
2012-05-19 01:46:40 +02:00
extern int mips_pc_is_mips16 (struct gdbarch *gdbarch, bfd_vma memaddr);
/* Tell if the program counter value in MEMADDR is in a microMIPS
function. */
extern int mips_pc_is_micromips (struct gdbarch *gdbarch, bfd_vma memaddr);
/* Return the currently configured (or set) saved register size. */
extern unsigned int mips_abi_regsize (struct gdbarch *gdbarch);
/* Make PC the address of the next instruction to execute. */
extern void mips_write_pc (struct regcache *regcache, CORE_ADDR pc);
/* Target descriptions which only indicate the size of general
registers. */
extern struct target_desc *mips_tdesc_gp32;
extern struct target_desc *mips_tdesc_gp64;
2002-12-05 06:17:39 +01:00
#endif /* MIPS_TDEP_H */