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2004-11-092004-11-08 Andrew Cagney <cagney@gnu.org>Andrew Cagney1-0/+9
* sentinel-frame.c (sentinel_frame_prev_pc): New function. (sentinel_frame_unwinder): Add the prev_pc method. * frame.c (frame_pc_unwind): Use the per-frame pc unwinder when available. Do not handle the sentinel-frame case. * frame-unwind.h (frame_prev_register_ftype): Define. (struct frame_unwind): Add prev_pc;
2004-04-082004-04-08 Andrew Cagney <cagney@redhat.com>Andrew Cagney1-5/+8
* frame-unwind.c (struct frame_unwind_table, frame_unwind_init) (frame_unwind_prepend_unwinder, frame_unwind_append_sniffer) (frame_unwind_find_by_frame): Re-implement the unwind code so that it can both prepend and append sniffers. Replace frame_unwind_register_unwinder with frame_unwind_prepend_unwinder. * tramp-frame.c (tramp_frame_append): Use frame_unwind_prepend_unwinder. * frame-unwind.h (frame_unwind_prepend_unwinder): Replace frame_unwind_register_unwinder. * tramp-frame.h (tramp_frame_prepend_unwinder): Rename tramp_frame_append. * tramp-frame.c (tramp_frame_prepend_unwinder): Update. * mips-linux-tdep.c (mips_linux_init_abi, mips_linux_init_abi) (mips_linux_init_abi): Update.
2004-03-212004-03-21 Andrew Cagney <cagney@redhat.com>Andrew Cagney1-3/+21
* frame-unwind.h: Update copyright. (struct frame_data): Add opaque declaration. (frame_sniffer_ftype): Declare. (struct frame_unwind): Add "unwind_data" and "sniffer". (frame_unwind_register_unwinder): Declare. (frame_unwind_find_by_frame): Add parameter "this_cache". * frame.c (get_frame_id, create_new_frame, legacy_get_prev_frame) (legacy_get_prev_frame, legacy_get_prev_frame) (get_frame_type): Pass the prologue_cache to frame_unwind_find_by_frame. * frame-unwind.c (struct frame_unwind_table_entry): Add field "unwinder". (frame_unwind_register_unwinder): New function. (frame_unwind_find_by_frame): Handle an unwind sniffer.
2003-07-162003-07-16 Andrew Cagney <cagney@redhat.com>Andrew Cagney1-6/+0
* frame-base.h (frame_base_p_ftype): Delete definition. (frame_base_append_predicate): Delete declaration. * frame-unwind.h (frame_unwind_p_ftype): Delete definition. (frame_unwind_append_predicate): Delete declaration. * frame-unwind.c (struct frame_unwind_table): Delete field "p". (append_predicate): Delete parameter "p". (frame_unwind_append_predicate): Delete function. (frame_unwind_append_sniffer): Update call to append_predicate. (frame_unwind_free): Delete function. (_initialize_frame_unwind): Pass NULL as "free" to register_gdbarch_data. (frame_unwind_init): Append the dummy_frame_sniffer. (frame_unwind_find_by_frame): Simplify. * frame-base.c (struct frame_base_table): Delete field "p". (append_predicate): Delete parameter "p". (frame_base_append_predicate): Delete function. (frame_base_append_sniffer): Update call to append_predicate. (frame_base_free): Delete function. (frame_base_find_by_frame): Simplify. (_initialize_frame_base): Pass NULL as "free" to register_gdbarch_data. * x86-64-tdep.c (x86_64_frame_sniffer): Replace "x86_64_frame_p". (x86_64_sigtramp_frame_sniffer): Replace "x86_64_sigtramp_frame_p". (x86_64_init_abi): Set the frame unwind sniffers. * m68k-tdep.c (m68k_frame_sniffer): Replace "m68k_frame_p". (m68k_sigtramp_frame_sniffer): Replace "m68k_sigtramp_frame_p" (m68k_gdbarch_init): Set the frame unwind sniffers. * i386-tdep.c (i386_sigtramp_frame_sniffer): Replace "i386_sigtramp_frame_p". (i386_frame_sniffer): Replace "i386_frame_p". (i386_gdbarch_init): Set the frame unwind sniffers. * avr-tdep.c (avr_frame_sniffer): Replace "avr_frame_sniffer". (avr_gdbarch_init): Set the frame unwind sniffers. * alpha-tdep.c (alpha_sigtramp_frame_sniffer): Replace "alpha_sigtramp_frame_p" (alpha_heuristic_frame_sniffer): Replace "alpha_heuristic_frame_p". (alpha_gdbarch_init): Set the frame unwind sniffers. (alpha_dwarf2_init_abi): Ditto. * alpha-mdebug-tdep.c (alpha_mdebug_frame_sniffer): Replace "alpha_debug_frame_p". (alpha_mdebug_frame_base_sniffer): Replace "alpha_mdebug_frame_base_p". (alpha_mdebug_init_abi): Set the frame unwind sniffers. * d10v-tdep.c (d10v_frame_sniffer): Replace "d10v_frame_p". (d10v_gdbarch_init): Set the frame unwind sniffer. * dwarf2-frame.c (dwarf2_frame_sniffer): Replace "dwarf2_frame_p". (dwarf2_frame_base_sniffer): Replace "dwarf2_frame_base_p". * dwarf2-frame.h (dwarf2_frame_sniffer): Replace "dwarf2_frame_p". (dwarf2_frame_base_sniffer): Replace "dwarf2_frame_base_p". * dummy-frame.c (dummy_frame_sniffer): Replace "dummy_frame_p". * dummy-frame.h (dummy_frame_sniffer): Replace "dummy_frame_p".
2003-07-152003-07-15 Andrew Cagney <cagney@redhat.com>Andrew Cagney1-15/+20
* frame.c (get_frame_id): Use frame_unwind_find_by_frame. (frame_register_unwind, create_new_frame): Ditto. (legacy_get_prev_frame, get_frame_type): Ditto. (get_frame_base_address): Use frame_base_find_by_frame. (get_frame_locals_address): Use frame_base_find_by_frame. (get_frame_args_address): Use frame_base_find_by_frame. * frame-base.h (frame_base_sniffer_ftype): Declare. (frame_base_append_sniffer): Declare. (frame_base_find_by_frame): Replace frame_base_find_by_pc. * frame-base.c (append_predicate): Add a "sniffer" parameter. (frame_base_append_sniffer): New function. (frame_base_append_predicate): Add a NULL sniffer. (frame_base_find_by_frame): Replace "frame_base_find_by_pc". (struct frame_base_table): Add "sniffer". (frame_base_free): Free the "sniffer" table. * frame-unwind.h (frame_unwind_sniffer_ftype): Define. (frame_unwind_append_sniffer): Declare. (frame_unwind_find_by_frame): Replace frame_unwind_find_by_pc. * frame-unwind.c (frame_unwind_free): Free the "sniffer" table. (struct frame_unwind_table): Add "sniffer", delete "middle". (append_predicate): Add "sniffer" parameter, append the sniffer. (frame_unwind_init): Update append_predicate call. (frame_unwind_append_sniffer): New function. (frame_unwind_append_predicate): Update append_predicate call. (frame_unwind_find_by_frame): Replace frame_unwind_find_by_pc.
2003-04-052003-04-04 Andrew Cagney <cagney@redhat.com>Andrew Cagney1-1/+5
* frame.c (get_prev_frame): Do not call frame_type_from_pc. Set the frame's type from the unwinder. (get_frame_type): Map UNKNOWN_FRAME onto NORMAL_FRAME. (create_new_frame, legacy_get_prev_frame): When the unwinder's type isn't UNKNOWN_FRAME, initalize "type" from the unwinder. (get_frame_base_address): Use get_frame_type. (get_frame_locals_address, get_frame_args_address): Ditto. (legacy_saved_regs_unwinder): Set the type to UNKNOWN_TYPE. * frame.h (enum frame_type): Add UNKNOWN_FRAME. (struct frame_info): Add comment explaining why the frame contains a "type" field. * dummy-frame.c (dummy_frame_unwind): Set the type to DUMMY_FRAME. * d10v-tdep.c (d10v_frame_unwind): Set the type to NORMAL_FRAME. * sentinel-frame.c (sentinel_frame_unwinder): Set the type to NORMAL_FRAME. * frame-unwind.h: Include "frame.h". (struct frame_unwind): Add "type" field. * Makefile.in (frame_unwind_h): Add $(frame_h).
2003-03-172003-03-17 Andrew Cagney <cagney@redhat.com>Andrew Cagney1-30/+80
Fix frame off-by-one bug. * frame-unwind.h (frame_this_id_ftype): Replace frame_unwind_id_ftype. (frame_prev_register_ftype): Replace frame_unwind_reg_ftype. (struct frame_unwind): Replace "id" with "this_id". Replace "reg" with "prev_register". * frame-unwind.c (frame_unwind_find_by_pc): Return legacy_saved_regs_unwind instead of trad_frame_unwind. Update comment. * dummy-frame.c (cached_find_dummy_frame): Delete function. (dummy_frame_this_id): Replace dummy_frame_id_unwind. (dummy_frame_prev_register): Replace dummy_frame_register_unwind. (dummy_frame_unwind): Update. * sentinel-frame.c (sentinel_frame_prev_register): Replace sentinel_frame_register_unwind. (sentinel_frame_this_id): Replace sentinel_frame_id_unwind. (sentinel_frame_unwinder): Update. * frame.h (legacy_saved_regs_unwind): Replace trad_frame_unwind. (struct frame_info): Rename "unwind_cache" to "prologue_cache". * frame.c (create_sentinel_frame): Update. Initialize "prologue_cache" instead of "unwind_cache". (frame_register_unwind): Call this frame's prev_register with the next frame and this frame's prologue cache. (get_prev_frame): Simplify. Always call prev frame's this_id with this frame and prev frame's prologue cache. Document that this call is shifted one to the left when compared to the frame_register_unwind call. (legacy_saved_regs_prev_register): Replace frame_saved_regs_register_unwind. (legacy_saved_regs_this_id): Replace frame_saved_regs_id_unwind. (legacy_saved_regs_unwinder): Replace trad_frame_unwinder. (legacy_saved_regs_unwind): Replace trad_frame_unwind. * d10v-tdep.c (d10v_frame_this_id): Replace d10v_frame_id_unwind. (d10v_frame_unwind): Update. (d10v_frame_prev_register): Replace d10v_frame_register_unwind. (d10v_frame_unwind_cache): Replace this "fi" with "next_frame". (saved_regs_unwinder): Replace this "frame" with "next_frame", and "saved_regs" with "this_saved_regs".
2003-03-122003-03-12 Andrew Cagney <cagney@redhat.com>Andrew Cagney1-16/+0
Eliminate the need for POP_FRAME. * frame.c (do_frame_unwind_register): New function. (frame_pop): When no POP_FRAME, pop the frame using register unwind and a scratch regcache. (frame_saved_regs_pop): Delete function. (trad_frame_unwinder): Update. * d10v-tdep.c (d10v_frame_pop): Delete function. (d10v_frame_unwind): Update. * sentinel-frame.c (sentinel_frame_pop): Delete function. (sentinel_frame_unwinder): Update. * dummy-frame.c (dummy_frame_pop): Delete function. (dummy_frame_unwind): Update. * frame-unwind.h (frame_unwind_pop_ftype): Delete definition. (struct frame_unwind): Update.
2003-03-102003-03-10 Andrew Cagney <cagney@redhat.com>Andrew Cagney1-7/+0
* gdbarch.sh (gdbarch_unwind_pc): New method. * gdbarch.h, gdbarch.c: Regenerate. * frame.c (frame_pc_unwind): Rewrite. Prefer gdbarch_unwind_pc, but use read_pc and FRAME_SAVED_PC as fall backs. (frame_saved_regs_pc_unwind): Delete function. (trad_frame_unwinder): Update. * frame-unwind.h (frame_unwind_pc_ftype): Delete declaration. (struct frame_unwind): Update. * dummy-frame.c (dummy_frame_pc_unwind): Delete function. (dummy_frame_unwind): Update. * sentinel-frame.c (sentinel_frame_pc_unwind): Delete function. (sentinel_frame_unwinder): Update. * d10v-tdep.c (d10v_frame_pc_unwind): Delete function. (d10v_frame_unwind): Update. (d10v_unwind_pc): New function. (d10v_gdbarch_init): Set unwind_pc. Index: doc/ChangeLog 2003-03-10 Andrew Cagney <cagney@redhat.com> * gdbint.texinfo (Target Architecture Definition): Cross reference FRAME_SAVED_PC to unwind_pc. Document unwind_pc.
2003-01-192003-01-19 Andrew Cagney <ac131313@redhat.com>Andrew Cagney1-0/+15
* frame-unwind.h (frame_unwind_pop_ftype): Declare. (struct frame_unwind): Add field pop. * frame.h (frame_pop): Declare. * frame.c (frame_saved_regs_pop): New function. (trad_frame_unwinder): Add frame_saved_regs_pop. (frame_pop): New function. * dummy-frame.c (dummy_frame_pop): New function. (discard_innermost_dummy): New function. (generic_pop_dummy_frame): Use discard_innermost_dummy. (dummy_frame_unwind): Add dummy_frame_pop. * infrun.c (normal_stop): Call frame_pop instead of POP_FRAME. * valops.c (hand_function_call): Ditto. * stack.c (return_command): Ditto.
2003-01-182003-01-18 Andrew Cagney <ac131313@redhat.com>Andrew Cagney1-0/+96
* dummy-frame.h (dummy_frame_id_unwind): Delete declaration. (dummy_frame_pc_unwind, dummy_frame_register_unwind): Ditto. (struct frame_unwind): Declare opaque. (dummy_frame_p): Declare function. * dummy-frame.c (dummy_frame_id_unwind): Make static. (dummy_frame_pc_unwind, dummy_frame_register_unwind): Ditto. * dummy-frame.c: Include "frame-unwind.h". (dummy_frame_p): New function. (dummy_frame_unwind): New variable. * frame.c: Include "frame-unwind.h". (frame_pc_unwind, frame_id_unwind, frame_register_unwind): Update to use the new unwind field. (set_unwind_by_pc): Delete function. (create_new_frame, get_prev_frame): Set unwind field using frame_unwind_find_by_pc. (trad_frame_unwind, trad_frame_unwinder): New variables. * frame.h (trad_frame_unwind): Declare variable. (frame_id_unwind_ftype): Delete declaration. (frame_pc_unwind_ftype, frame_register_unwind_ftype): Ditto. (struct frame_unwind): Declare opaque. (struct frame_info): Replace the fields id_unwind, pc_unwind and register_unwind with a single unwind pointer. * frame-unwind.h, frame-unwind.c: New files. * Makefile.in (SFILES): Add frame-unwind.c. (frame_unwind_h): Define. (COMMON_OBS): Add frame-unwind.o. (frame-unwind.o): Specify dependencies. (frame.o, dummy-frame.o): Update dependencies.