(struct i386_insn): New structure.
(i386_match_insn): New function.
(i386_frame_setup_skip_insns): New variable.
(i386_analyze_frame_setup): Change to use i386_match_insn and the
array i386_frame_setup_insns of instructions that should be
skipped inside the frame setup sequence.
* i386-tdep.c (i386_analyze_frame_setup): Handle more instructions
that GCC migrates into the prolugue. Don't handle any
instructions that clobber %ebx.
(i386_collect_gregset): New function.
(i386_supply_fpregset): Adjust comment.
(i386_collect_fpregset): New function.
(i386_regset_from_core_section): Use i386_collect_gregset and
i386_collect_fpregset.
RETURN_VALUE_ABI_RETURNS_ADDRESS and
RETURN_VALUE_ABI_PRESERVES_ADDRESS.
* infcmd.c (legacy_return_value): New function.
(print_return_value): Rwerite to implement
RETURN_VALUE_ABI_RETURNS_ADDRESS.
* values.c (using_struct_return): Check for inequality to
RETURN_VALUE_REGISTER_CONVENTION instead of equality to
RETURN_VALUE_STRUCT_CONVENTION.
* i386-tdep.c (i386_return_value): Implement
RETURN_VALUE_ABI_RETURNS_ADDRESS.
* i386-tdep.c (i386_coff_init_abi): New function.
* i386-tdep.h (i386_coff_init_abi): New prototype.
* i386-cygwin-tdep.c (i386_cygwin_init_abi): Call it. Use correct
register number translation functions for DWARF and DWARF 2.
sigtramp_p member of `struct gdbarch_tdep'. Also check whether
the program counter is in the range specified by `struct
gdbarch_tdep'.
* amd64-linux-tdep.c: Include "symtab.h".
(amd64_linux_pc_in_sigtramp): Remove function.
(amd64_linux_sigtramp_p): New function.
(amd64_linux_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* amd64nbsd-tdep.c: Include "symtab.h".
(amd64nbsd_sigtramp_p): New function.
(amd64nbsd_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* amd64obsd-tdep.c: Include "symtab.h" and "objfiles.h". Add a
few comments.
(amd64obsd_pc_in_sigtramp): Remove function.
(amd64obsd_sigtramp_p): New function.
(amd64obsd_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-tdep.h (struct gdbarch_tdep): Add sigtramp_p member.
(i386bsd_pc_ins_sigtramp): Remove prototype.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): Remove prototypes.
* i386-tdep.c (i386_sigtramp_frame_sniffer): Rewrite to use new
sigtramp_p member of `struct gdbarch_tdep'. Also check whether
the program counter is in the range specified by `struct
gdbarch_tdep'.
(i386_pc_in_sigtramp, i386_svr4_pc_in_sigtramp): Remove functions.
(i386_sigtramp_p, i386_svr4_sigtramp_p): New functions.
(i386_go32_pc_in_sigtramp): Remove function.
(i386_svr4_init_abi): Don't set deprecated_pc_in_sigtramp.
Initialize TDEP->sigtramp_p.
(i386_go32_init_abi): Initialize TDEP->sigtramp_p to NULL.
(i386_gdbarch_init): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-linux-tdep.c: Adjust comments.
(i386_linux_pc_in_sigtramp): Remove function.
(i386_linux_sigtramp_p): New function.
(i386_linux_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-nto-tdep.c: Update copyright year.
(i386nto_pc_in_sigtramp): Remove function.
(i386nto_sigtramp_p): New function.
(i386nto_sigcontext_addr): Use I386_ESP_REGNUM instead of
SP_REGNUM.
(i386nto_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386-sol2-tdep.c: Update copyright year.
(i386_sol2_pc_in_sigtramp): Remove function.
(i386_sol2_sigtramp_p): New function.
(i386_sol2_init_abi): Initialize TDEP->sigtramp_p. Don't set
deprecated_pc_in_sigtramp.
* i386bsd-tdep.c (i386bsd_pc_in_sigtramp): Remove function.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): Remove functions.
(i386bsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start and deprecated_sigtramp_end.
* i386nbsd-tdep.c: Include "frame.h" and "symtab.h".
(i386nbsd_pc_in_sigtramp): Remove function.
(i386nbsd_sigtramp_p): New function.
(i386nbsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start, deprecated_sigtramp_end. Initialize
TDEP->sigtramp_start, TDEP->sigtramp_end and TDEP->sigtramp_p.
* i386obsd-tdep.c: Include "frame.h", "symtab.h" and "objfiles.h".
(i386obsd_pc_in_sigtramp): Remove function.
(i386obsd_sigtramp_p): New function.
(i386obsd_sigtramp_start, i386obsd_sigtramp_end): Remove
functions.
(i386bsd_init_abi): Don't set deprecated_pc_in_sigtramp,
deprecated_sigtramp_start, deprecated_sigtramp_end. Initialize
TDEP->sigtramp_p.
* Makefile.in (amd64-linux-tdep.o, amd64nbsd-tdep.o,
amd64obsd-tdep.o, i386nbsd-tdep.o, i386obsd-tdep.o): Update
dependencies.
* x86-64-tdep.c (x86_64_init_abi): No need to clear
extract_struct_value_address, i386 does not set it.
* sparc64-tdep.c (sparc64_init_abi): Do not set
extract_struct_value_address, never called.
(sparc64_extract_struct_value_address): Delete function.
* m68hc11-tdep.c: Update copyright.
(m68hc11_gdbarch_init): Delete redundant assignment of
extract_struct_value_address.
* i386-tdep.c: Update copyright.
(i386_gdbarch_init): Do not set extract_struct_value_address,
never called.
(i386_extract_struct_value_address): Delete function.
* sparc-tdep.c (sparc32_gdbarch_init): Do not set
extract_struct_value_address, never called.
(sparc32_extract_struct_value_address): #if 0 function.
i386_store_return_value): Add gdbarch argument. Use it instead of
determining it from REGCACHE. Remove recursive call for
structures with a single member.
(i386_use_struct_convention): Remove.
(i386_reg_struct_return_p): New function.
(i386_return_value): New function.
(i386_gdbarch_init): Set return_value, don't set
extract_return_value, store_return_value and
use_struct_convention.
* x86-64-tdep.c (x86_64_init_abi): Set return_value to NULL.
gregset_reg_offset, gregset_num_regs, sizeof_gregset, fpregset,
sizeof_fpregset.
* i386-tdep.c: Include "regset.h".
(i386_supply_gregset): New function.
(i386_supply_fpregset): New function.
(i386_gdbarch_init): Initialze register set-related members of
TDEP.
* x86-64-tdep.c (x86_64_supply_fpregset): New function.
(x86_64_init_abi): Initialize TDEP->sizeof_fpregset.
order. Remove spurious whitespace.
(struct gdbarch_tdep): add st0_regnum and mm0_regnum members.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes.
* i386-tdep.c (MM0_REGNUM): Remove define.
(i386_mmx_regnum_p): Add gdbarch argument.
(i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument.
Rewrite using new macro definitions for FPU/SSE registers.
(i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro
definitions from i387-tdep.h.
(i386_register_name): Update.
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use
new macro definitions for FPU/SSE registers.
(i386_extract_return_value): Determine whether floating-point
registers are present by examining REGCACHE's architecture.
(i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE
instead of FPU_REG_RAW_SIZE. Use new macro definitions for
FPU/SSE registers.
(i386_register_type): Update.
(i386_mmx_regnum_to_fp_regnum): Rewrite using new macro
definitions for FPU registers. Use REGCACHE's architecture to
determine the appropriate register numbers.
(i386_pseudo_register_read, i386_pseudo_register_write,
i386_register_reggroup_p): Update.
(i386_gdbarch_init): Initialize TDEP->st0_regnum and
TDEP->mm0_regnum.
* i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM,
I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM,
I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM,
I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines.
(i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave,
i387_fill_fxsave): Change type of fsave/fxsave argument from `char
*' to `void *'.
* i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR,
i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR,
i387_supply_fxsave, i387_fill_fxsave): Update to use new macro
definitions for FPU/SSE registers.
(FXSAVE_MXCSR_ADDR): New define.
* x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and
TDEP->mm0_regnum.
(I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines.
(I387_ST0_REGNUM): Define.
instead of frame_read_register.
(i386_fetch_pointer_argument): Use get_frame_register_unsigned
instead of frame_read_register. Use I386_ESP_REGNUM instead of
SP_REGNUM.
(i386_frame_prev_register): Use frame_unwind_register_unsigned
instead of frame_unwind_unsigned_register. Use
I386_EFLAGS_REGISTER instead of PS_REGNUM.
(i386_get_longjmp_target): Use regcache_read_unsigned_register
instead of read_register. Use builtin_type_void_data_ptr instead
of builtin_type_void_func_ptr when extracting the address of the
jmp_buf.
(i386_extract_return_value, i386_store_return_value,
i386_pseudo_register_read, i386_pseudo_register_write): Use
register_size instead REGISTER_RAW_SIZE.
(i387_print_float_info): Use get_frame_register and
get_frame_register_unsigned instead of frame_register_read.
* gdbarch.sh (DWARF2_BUILD_FRAME_INFO): Delete method.
* gdbarch.h, gdbarch.c: Re-generate.
* i386-tdep.c (i386_gdbarch_init): Do not set
DWARF2_BUILD_FRAME_INFO.
* elfread.c (elf_symfile_read): Call dwarf2_build_frame_info
unconditionally.
* alpha-tdep.c (alpha_dwarf2_init_abi): Do not set
DWARF2_BUILD_FRAME_INFO.
* trad-frame.h: Update comments, a -1 .addr is reserved.
(trad_frame_value_p, trad_frame_addr_p): Declare.
(trad_frame_reg_p): Declare.
(trad_frame_set_value): Rename trad_frame_register_value.
(trad_frame_set_unknown): Declare.
* trad-frame.c (trad_frame_realreg_p): New function.
(trad_frame_addr_p, trad_frame_value_p): New function.
(trad_frame_set_unknown): New function.
(trad_frame_alloc_saved_regs): Initialize .addr to -1, not zero.
(trad_frame_prev_register): Use trad_frame_realreg_p,
trad_frame_addr_p and trad_frame_value_p.
(trad_frame_set_value): Rename trad_frame_register_value.
* d10v-tdep.c (d10v_frame_unwind_cache): Use trad_frame_addr_p
and trad_frame_set_value.
Move floating-point code to new function in i387-tdep.c.
* i387-tdep.c (i387_register_to_value, i387_value_to_register):
New functions containing code moved here from i386-tdep.c.
* i387-tdep.h: Add opaque declaration for `struct type'.
(i387_register_to_value, i387_value_to_register): New prototypes.
* x86-64-tdep.c (x86_64_convert_register_p): New function.
(x86_64_init_abi): Set convert_register_p, register_to_value and
value_to_register here.
Andrew Cagney