osabi sniffer, signal handling initializer, 'in_dynsym_resolve_code'
function and nto_set_target function.
(struct nto_target_ops): Put comments inline with struct. Add osabi
sniffer hook. Redefine macros to permit testing/assignment. Remove
nto_ prefix from members.
* nto-tdep.c (nto_find_and_open_solib): Allocate all buffers
dynamically to support arbitrary root paths. Check for basename of
lib in search path and then check for absolute.
(nto_in_dynsym_resolve_code): New function.
(nto_core_sniffer): New function.
(regset_core_fns): Register core sniffer.
(nto_initialize_signals): New function.
(_initialize_nto_tdep): Move signal initialization code to above to
avoid initialization race conditions.
(nto_set_target): New function.
* nto-procfs.c: Minor formatting/indenting changes.
(procfs_is_nto_target): New function.
(procfs_open): Set nto_is_nto_target.
(_initialize_procfs): Ditto. Remove notice_signals() call to avoid
initialization race conditions.
(procfs_create_inferior): Resume inferior after creation.
* i386-nto-tdep.c: Declare i386_nto_target.
(init_i386nto_ops): Initialize i386_nto_target instead of
current_nto_target.
(i386nto_init_abi): Initialize signals. Call nto_set_target. Set
TARGET_SO_IN_DYNSYM_RESOLVE_CODE.
(_initialize_i386nto_tdep): Call init_i386nto_ops. Register osabi sniffer.
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.
(I386_SIZEOF_GREGS, I386_SIZEOF_FREGS, I386_SIZEOF_XREGS): Remove
defenitions.
(IS_FP_REGNUM, IS_SSE_REGNUM): Remove definitions.
* i386-tdep.c: Mark functions that are 64-bit safe as such.
(I386_EAX_REGNUM, I386_EDX_REGNUM, I386_ESP_REGNUM,
I386_EBP_REGNUM, I386_EIP_REGNUM, I386_EFLAGS_REGNUM,
I386_ST0_REGNUM): New defines.
(CODESTREAM_BUFSIZ, codestream_tell, codestream_peek,
codestream_get): Remove define.
(codestream_next_addr, condestream_addr, condestream_buf,
codestream_off, codestream_cnt): Remove variables.
(codestream_fill, codestream_seek, codestream_read): Remove
functions.
(i386_follow_jump): Rewrite to avoid usage of removed codestream
functionality.
(i386_get_frame_setup, i386_frameless_signal_p, i386_frame_chain,
i386_sigtramp_saved_pc, i386_sigtramp_saved_sp,
i386_frame_saved_pc, i386_saved_pc_after_call,
i386_frame_num_args, i386_frame_init_saved_regs,
i386_push_return_address, i386_do_pop_frame, i386_pop_frame,
i386_push_arguments): Remove functions.
(i386_skip_prologue): Rewrite to avoid usage of removed codestream
functionality. Use i386_analyze_prologue instead of
i386_get_frame_setup.
(I386_NUM_SAVED_REGS): New define.
(struct i386_frame_cache): New structure.
(i386_alloc_frame_cache, i386_analyze_struct_return,
i386_skip_probe, i386_analyze_frame_setup,
i386_analyze_register_saves, i386_analyze_prologue,
i386_unwind_pc, i386_frame_cache, i386_frame_this_id,
i386_frame_prev_register, i386_sigtramp_frame_cache,
i386_sigtramp_frame_this_id, i386_sigtramp_frame_prev_register,
i386_frame_p, i386_sigtramp_frame_p, i386_frame_base_address,
i386_unwind_dummy_id, i386_save_dummy_tos, i386_push_dummy_call):
New functions.
(i386_frame_unwind, i386_sigtramp_frame_unwind, i386_frame_base):
New variables.
(LOW_RETURN_REGNUM, HIGH_RETURN_REGNUM): Define in terms of
I386_EAX_REGNUM and I386_EDX_REGNUM.
(i386_extract_return_value, i386_store_return_value): Use
I386_ST0_REGNUM where appropriate.
(i386_extract_struct_value_address): Rewrite to use extract_address.
(i386_svr4_pc_in_sigtramp): Add comment.
(i386_svr4_sigcontext_addr): Rewrite.
(i386_svr4_init_abi): Adjust TDEP->sc_pc_offset and
TDEP->sc_sp_offset.
(i386_gdbarch_init): Don't set deprecated_init_frame_pc. Set
sp_regnum, fp_regnum, pc_regnum, ps_regnum and fp0_regnum in terms
of new defines. Set push_dummy_call, don't set
deprecated_push_arguments, deprecated_push_return_address,
deprecated_pop_frame. Don't set parm_boundary. Don't set
deprecated_frame_chain, deprecated_frame_saved_pc,
deprecated_saved_pc_after_call. Set unwind_dummy_id,
save_dummy_frame_tos, unwind_pc. Call
frame_unwind_append_predicate and frame_base_set_default. Don't
set deprecated_dummy_write_pc. Don't set deprecated_fp_regnum.
Don't set frameless_function_invocation. Don't set
deprecated_register_bytes, deprecated_register_size,
deprecated_call_dummy_words and deprecated_sizeof_call_dummy.
* i386-linux-tdep.c: Fix formatting in some comments.
(LINUX_SIGTRAMP_INSN0, LINUX_SIGTRAMP_OFFSET0,
LINUX_SIGTRAMP_INSN1, LINUX_SIGTRAMP_OFFSET1,
LINUX_SIGTRAMP_INSN2, LINUX_SIGTRAMP_OFFSET2,
LINUX_RT_SIGTRAMP_INSN0, LINUX_RT_SIGTRAMP_OFFSET0,
LINUX_RT_SIGTRAMP_INSN1, LINUX_RT_SIGTRAMP_OFFSET1): Drop
redundant parentheses.
(I386_LINUX_UCONTEXT_SIGCONTEXT_OFFSET): New define.
(i386_linux_sigcontext_addr): Use it. Rewrite.
(find_minsym_and_objfile): Change name of second argument.
(skip_gnu_resolver): Renamed from skip_hurd_resolver. All callers
changed. Use frame_pc_unwind instead of
DEPRECATED_SAVED_PC_AFTER_CALL.
(i386_linux_init_abi): Don't set deprecated_register_bytes.
* i386bsd-tdep.c (i386bsd_sigcontext_addr): Rewrite.
* i386-nto-tdep.c (i386nto_sigcontext_addr): Adapt for new frame
unwinder.
* i386-cygwin-tdep.c: Don't include "gdbcore.h", "frame.h" and
"dummy-frame.h".
(i386_cygwin_frame_chain_valid, i386_cygwin_frame_chain): Removed.
(_initialize_i386_cygwin_tdep): New prototype.
(i386_cygwin_init_abi): Don't set deprecated_frame_chain and
deprecated_frame_chain_valid.
* i386-sol2-tdep.c (i386_sol2_init_abi): Don't set
TDEP->sigcontext_addr, TDEP->sc_pc_offset and TDEP->sc_sp_offset.
Rely on the SVR4 defaults.
* config/i386/i386sol2.mt (TDEPFILES): Remove i386bsd-tdep.o.
* Makefile.in (i386-tdep.o, i386-cygwin-tdep.o): Update dependencies.
