diff options
Diffstat (limited to 'gdb/ChangeLog')
| -rw-r--r-- | gdb/ChangeLog | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 8908251..76e62f2 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,39 @@ 2011-10-09 Jan Kratochvil <jan.kratochvil@redhat.com> + Recognize virtual tail call frames. + * Makefile.in (SFILES): Add dwarf2-frame-tailcall.c. + (HFILES_NO_SRCDIR): Add dwarf2-frame-tailcall.h. + (COMMON_OBS): Add dwarf2-frame-tailcall.o. + * dwarf2-frame-tailcall.c: New file. + * dwarf2-frame-tailcall.h: New file. + * dwarf2-frame.c: Include dwarf2-frame-tailcall.h. + (execute_cfa_program): New function comment. Return INSN_PTR. Reset + REGS.PREV only after CIE execution. + (struct dwarf2_frame_cache): New field tailcall_cache. + (dwarf2_frame_cache): New variables entry_pc, entry_cfa_sp_offset, + entry_cfa_sp_offset_p and instr. Execute FDE instructions in two + parts, try to find entry_cfa_sp_offset. Call + dwarf2_tailcall_sniffer_first. + (dwarf2_frame_prev_register): Call dwarf2_tailcall_prev_register_first + when appropriate. + (dwarf2_frame_dealloc_cache): New function. + (dwarf2_frame_sniffer): Preinitialize cache by dwarf2_frame_cache. + (dwarf2_frame_unwind): Install dwarf2_frame_dealloc_cache. + (dwarf2_signal_frame_unwind): Do not install dwarf2_frame_dealloc_cache. + (dwarf2_append_unwinders): Add dwarf2_tailcall_frame_unwind. + (dwarf2_frame_cfa): Support also dwarf2_tailcall_frame_unwind. + * dwarf2loc.c (func_addr_to_tail_call_list) + (tailcall_dump, call_sitep, VEC (call_sitep), chain_candidate) + (call_site_find_chain_1, call_site_find_chain): New. + * dwarf2loc.h (struct call_site_chain): New. + (call_site_find_chain): New declaration. + * frame.c (get_frame_address_in_block): Support also TAILCALL_FRAME. + * frame.h (enum frame_type): New entry TAILCALL_FRAME. + * python/py-frame.c (gdbpy_initialize_frames): Add TAILCALL_FRAME. + * stack.c (frame_info): Support also TAILCALL_FRAME. + +2011-10-09 Jan Kratochvil <jan.kratochvil@redhat.com> + Tail call sites reader implementation. * dwarf2read.c (read_call_site_scope): Recognize DW_AT_GNU_tail_call, fill in TYPE_TAIL_CALL_LIST. |