* hppa-linux-tdep.c (hppa_linux_sigtramp_find_sigcontext): Pass in pc
instead of sp, handle sigaltstack case.
(hppa_linux_sigtramp_frame_unwind_cache): Adjust calls to
hppa_linux_sigtramp_find_sigcontext, and set base to the frame of the
signal handler and not that of the caller.
(hppa_linux_sigtramp_unwind_sniffer): Adjust calls to
hppa_linux_sigtramp_find_sigcontext.
* Makefile.in (ALLDEPFILES): Add hppa-linux-tdep.c and
hppa-linux-nat.c.
(hppa-linux-tdep.o, hppa-linux-nat.o): Define rules.
* hppa-linux-nat.c (fetch_register, store_register): Define.
(fetch_inferior_registers, store_inferior_registers): Define.
(supply_gregset): Add comment and clean up some unneeded code.
(fill_gregset): Add comment and fix so that it saves registers in
the right place in the gregset.
(fill_fpregset): Fix buffer overrun problem.
* config/pa/nm-linux.h (FETCH_INFERIOR_REGISTERS): Define.
* hppa-tdep.c (hppa_frame_prev_register_helper): New function to
do common handling of the pcoqt register.
(hppa_frame_prev_register, hppa_stub_frame_prev_register): Convert
to use helper function.
(hppa_frame_unwind_sniffer): Only use if unwind entry is present.
(hppa_fallback_frame_cache, hppa_fallback_frame_this_id)
(hppa_fallback_frame_prev_register, hppa_fallback_frame_unwind): New
generic fallback unwinder when all else fails.
(hppa_gdbarch_init): Add fallback sniffer.
* hppa-tdep.h (hppa_frame_prev_register_helper): Prototype.
* hppa-linux-tdep.c (hppa_linux_sigtramp_frame_prev_register): Convert
to use helper function.
fill_gprs32, store_regs_kernel_thread): Use tdep->ppc_gp0_regnum
to recognize gpr regnums, instead of assuming that
tdep->ppc_fp0_regnum marks the end of the general-purpose
registers.
* gdbarch.sh (DEPRECATED_USE_GENERIC_DUMMY_FRAMES): Replace with
macro defined to 1.
* gdbarch.h, gdbarch.c: Re-generate.
* ns32k-tdep.c (ns32k_gdbarch_init): Do not set
deprecated_use_generic_dummy_frames.
Don't assume that the gprs, fprs, and UISA sprs are
contiguous, start at register number zero, and end with fpscr.
Instead, use the numbers from the tdep structure.
failure detected by recent versions of GCC.
(psymtab_to_symtab_1): No longer use the PST_PRIVATE macro
to be consistent with the usage in dwarf2_create_include_psymtab.
struct_value_regnum.
(m68k_svr4_init_abi): New prototype.
* m68k-tdep.c: Include "floatformat.h". Add comment about all the
different calling conventions.
(m68k_extract_return_value): Remove code dealing with single-field
structs.
(m68k_store_return_value): Remove code dealing with single-field
structs. Correctly store return values of 5, 6, 7 or 8 bytes.
(m68k_extract_struct_value_address): Remove function.
(m68k_svr4_extract_return_value,m68k_svr4_store_return_value)
(m68k_reg_struct_return_p, m68k_return_value)
(m68k_svr4_return_value): New functions.
(m68k_use_struct_convention): Remove function.
(m68k_push_dummy_call): Use new struct_value_regnum member of
`struct gdbarch_tdep' instead of hardcoded register number to
store STRUCT_ADDR.
(m68k_svr4_init_abi): New function.
(m68k_gdbarch_init): Don't set extract_return_value,
store_return_values, deprecated_extract_struct_value_address and
use_struct_convention. Set return_value instead. Initialize new
struct_value_regnum member of `struct gdbarch_tdep'.
* m68klinux-tdep.c: Update copyright year.
(m68k_linux_extract_return_value, m68k_linux_store_return_value)
(m68k_linux_extract_struct_value_address): Remove function.
(m68k_linux_init_abi): Don't set extract_return_value,
store_return_values, deprecated_extract_struct_value_address and
use_struct_convention. Call m68k_svr4_init_abi but override the
new struct_value_regnum member of `struct gdbarch_tdep'.
* Makefile.in (m68k-tdep.o): Update dependencies.
field file_names.
(partial_die_info): New field has_stmt_list. New field line_offset.
(dwarf2_create_include_psymtab): New function.
(dwarf2_build_include_psymtabs): New function.
(add_file_name): Add forward declaration. Initialize new field.
(dwarf_decode_lines): Add new parameter. Enhance this procedure
to be able to determine the list of files included by the
given unit, and build their associated psymtabs.
(dwarf2_build_psymtabs_hard): Build the psymtabs for the included
files as well.
(psymtab_to_symtab_1): Build the symtabs of all dependencies as well.
(read_file_scope): Update call to dwarf_decode_lines.
(read_partial_die): Handle DW_AT_stmt_list attributes.
* frame.c (create_sentinel_frame): Set type to SENTINEL_FRAME.
* dummy-frame.c (dummy_frame_this_id): Use get_frame_type, instead
of frame_relative_level.
* sentinel-frame.c (sentinel_frame_unwinder): Set unwinder's type
to SENTINEL_FRAME.
* frame.h (enum frame_type): Add SENTINEL_FRAME.
* s390-tdep.c (s390_prologue_frame_unwind_cache): Delete calls to
frame_relative_level.
* Makefile.in (m68klinux-nat.o): Update dependencies.
* m68klinux-tdep.c: Include "trad-frame.h" and "frame-unwind.h".
(m68k_linux_sigtramp_frame_cache)
(m68k_linux_sigtramp_frame_this_id)
(m68k_linux_sigtramp_frame_prev_register)
(m68k_linux_sigtramp_frame_unwind)
(m68k_linux_sigtramp_frame_sniffer)
(struct m68k_linux_sigtramp_info, m68k_linux_init_abi): Code from
m68k-tdep.h and m68k-tdep.c, add "linux" to function and variable
names, use trad-frame.h.
* m68k-tdep.h (struct gdbarch_tdep): Delete get_sigtramp_info.
(struct m68k_sigtramp_info): Delete.
* m68k-tdep.c (m68k_sigtramp_frame_cache)
(m68k_sigtramp_frame_this_id, m68k_sigtramp_frame_prev_register)
(m68k_sigtramp_frame_unwind, m68k_sigtramp_frame_sniffer)
(m68k_gdbarch_init): Delete all the sigtramp code, moved to
"m68klinux-tdep.c".
* frv-linux-tdep.c: Include "trad-frame.h" and "frame-unwind.h".
(frv_linux_sigtramp_frame_cache)
(frv_linux_sigtramp_frame_this_id)
(frv_linux_sigtramp_frame_prev_register)
(frv_linux_sigtramp_frame_unwind)
(frv_linux_sigtramp_frame_sniffer): Copied from frv-tdep.c,
include "linux" in function and variable names, directly call
frv_linux_pc_in_sigtramp and frv_linux_sigcontext_reg_addr, use
the latest trad-frame code.
(frv_linux_init_abi): Append frv_linux_sigtramp_frame_sniffer, do
not set frv_sigcontext_reg_addr or deprecated_pc_in_sigtramp
* Makefile.in (frv-linux-tdep.o): Update dependencies.
* frv-tdep.h (frv_set_sigcontext_reg_addr): Delete declaration.
* frv-tdep.c (frv_sigtramp_frame_cache)
(frv_sigtramp_frame_this_id, frv_sigtramp_frame_prev_register)
(frv_sigtramp_frame_unwind, frv_sigtramp_frame_sniffer): Moved to
frv-linux-tdep.c.
(frv_gdbarch_init): Do not append a sigtramp sniffer.
(struct gdbarch_tdep): Delete sigcontext_reg_addr.
(frv_set_sigcontext_reg_addr): Delete function.
* mips-tdep.c (struct gdbarch_tdep): Delete
mips_fp_register_double.
(FP_REGISTER_DOUBLE): Delete macro, replace with test for
mips_abi_regsize.
(mips_gdbarch_init): Do not set mips_fp_register_double.
(mips_dump_tdep): Do not print FP_REGISTER_DOUBLE.
* mips-tdep.c (mips_abi_regsize): Replace tdep parameter with
gdbarch, use mips_abi, update callers.
(mips_stack_argsize): Replace tdep parameter with gdbarch, use
mips_abi_regsize, update callers.
(struct gdbarch_tdep): Delete mips_default_stack_argsize and
mips_default_abi_regsize.
(mips_gdbarch_init): Do not set mips_default_stack_argsize and
mips_default_abi_regsize.
* configure.host (hppa*-*-linux*): New target.
* configure.tgt (hppa*-*-linux*): Likewise.
* hppa-tdep.c (hppa_gdbarch_init): Set cannot_fetch_register, move
gdbarch_init_osabi() call earlier so that osabi-specific frame
unwinders can be registered first.
* config/djgpp/fnchange.lst: Add entries for hppa-linux-tdep.c and
hppa-linux-nat.c.
* config/pa/tm-hppa.h (ISR_REGNUM, PID0_REGNUM, PID1_REGNUM)
(PID2_REGNUM, PID3_REGNUM): Add definitions of some register numbers.
* config/pa/linux.mh: New file.
* config/pa/linux.mt: New file.
* config/pa/nm-linux.h: New file.
* config/pa/xm-linux.h: New file.
* hppa-linux-nat.c: New file.
* hppa-linux-tdep.c: New file.
* hppa-tdep.c (hppa32_return_value): Handle both 4- and 8-byte fp
return values.
(hppa32_push_dummy_call): Fix small struct and floating point argument
passing, and make sure the stack frame is properly aligned.
From Paul Koning <pkoning@equallogic.com>:
* breakpoint.c (free_valchain): New function.
(insert_bp_location, delete_breakpoint): Use free_valchain.
(remove_breakpoint): Do not remove the valchain.
(bpstat_stop_status): If not stopped by watchpoint, skip
watchpoints when generating stop status list.
* infrun.c (handle_inferior_event): Make
stepped_after_stopped_by_watchpoint a global variable.
* remote.c (remote_stopped_data_address): Return watch data
address rather than zero if stepped_after_stopped_by_watchpoint is
set.
* hppa-tdep.c (hppa_stub_unwind_cache, hppa_stub_frame_unwind_cache)
(hppa_stub_frame_this_id, hppa_stub_frame_prev_register)
(hppa_stub_frame_unwind, hppa_stub_unwind_sniffer): New stub unwinder
for handling stackless frames.
(hppa_gdbarch_init): Link in hppa_stub_unwind_sniffer.
* hppa-tdep.h (find_unwind_entry, hppa_get_field, hppa_extract_5_load)
(hppa_extract_5R_store, hppa_extract_5r_store, hppa_extract_17)
(hppa_extract_21, hppa_extract_14, hppa_low_sign_extend)
(hppa_sign_extend): Add prototype.
* hppa-tdep.c (get_field, extract_5_load, extract_5R_store)
(extract_5r_store, extract_17, extract_21, extract_14, low_sign_extend)
(sign_extend): Rename with hppa_ prefix and make non-static. Other
hppa targets will also use these functions.
(find_unwind_entry): Remove prototype (moved to hppa-tdep.h).
(hppa_in_solib_call_trampoline, hppa_in_solib_return_trampoline)
(hppa_skip_trampoline_code): Move to hppa-hpux-tdep.c
(hppa_gdbarch_init): Remove gdbarch setting of
skip_trampoline_code, in_solib_call_trampoline and
in_solib_return_trampoline.
* hppa-hpux-tdep.c (hppa32_hpux_in_solib_call_trampoline)
(hppa64_hpux_in_solib_call_trampoline): New functions, split from
hppa_in_solib_call_trampoline.
(hppa_hpux_in_solib_return_trampoline, hppa_hpux_skip_trampoline_code):
Moved from hppa-tdep.c.
(hppa_hpux_init_abi): Set gdbarch for skip_trampoline_code,
in_solib_call_trampoline and in_solib_return_trampoline.
* ppcnbsd-tdep.c: Update copyright. Include "tramp-frame.h" and
"trad-frame.h".
(ppcnbsd_sigtramp_cache_init, ppcnbsd_sigtramp): Implement a NetBSD
signal trampoline unwinder.
(ppcnbsd_init_abi): Register ppcnbsd_sigtramp.
