Convert frame unwinders to use the current frame and
"struct value".
* frame.c (frame_debug): Make global.
(get_frame_id): Pass this frame to unwinder routines.
(frame_pc_unwind): Remove unused unwind->prev_pc support.
(do_frame_register_read): Do not discard the return value of
frame_register_read.
(frame_register_unwind): Remove debug messages. Use
frame_unwind_register_value.
(frame_unwind_register_value, get_frame_register_value): New
functions.
(create_new_frame, get_frame_base_address, get_frame_locals_address)
(get_frame_args_address, get_frame_type): Pass this frame to
unwinder routines.
(frame_cleanup_after_sniffer, frame_prepare_for_sniffer): New
functions.
* frame.h: Update comments.
(frame_debug, frame_unwind_register_value, get_frame_register_value)
(frame_prepare_for_sniffer): Declare.
* frame-unwind.h: Update comments and parameter names.
(default_frame_sniffer): Declare.
(frame_prev_register_ftype): Return a struct value *.
(struct frame_unwind): Remove prev_pc member.
(frame_unwind_sniffer_ftype, frame_unwind_append_sniffer): Delete.
(frame_unwind_append_unwinder, frame_unwind_got_optimized)
(frame_unwind_got_register, frame_unwind_got_memory)
(frame_unwind_got_constant, frame_unwind_got_address): Declare.
* frame-base.h: Update comments and parameter names.
* valops.c (value_fetch_lazy): Use get_frame_register_value. Iterate
if necessary. Add debugging output.
* sentinel-frame.c (sentinel_frame_prev_register)
(sentinel_frame_this_id): Update for new signature.
(sentinel_frame_prev_pc): Delete.
(sentinel_frame_unwinder): Remove prev_pc.
* ia64-tdep.c (ia64_libunwind_frame_unwind): Do not initialize
prev_pc.
* libunwind-frame.c (libunwind_frame_unwind): Likewise.
* frame-unwind.c (struct frame_unwind_table_entry): Remove sniffer.
(frame_unwind_append_sniffer): Delete.
(frame_unwind_append_unwinder): New function.
(frame_unwind_find_by_frame): Take this frame. Only use sniffers
from unwinders. Use frame_prepare_for_sniffer.
(default_frame_sniffer, frame_unwind_got_optimized)
(frame_unwind_got_register, frame_unwind_got_memory)
(frame_unwind_got_constant, frame_unwind_got_address): New functions.
* dummy-frame.c (dummy_frame_sniffer): Use gdbarch_dummy_id.
(dummy_frame_prev_register, dummy_frame_this_id): Update for new
signature.
* gdbarch.sh: Replace unwind_dummy_id with dummy_id.
* gdbarch.c, gdbarch.c: Regenerated.
* frame-base.c (default_frame_base_address)
(default_frame_locals_address, default_frame_args_address): Update
for new signature.
(frame_base_find_by_frame): Pass this frame to unwinder routines.
* infcall.c (call_function_by_hand): Update comments.
* Makefile.in (frame-unwind.o): Update dependencies.
* gdbint.texinfo (Stack Frames): New chapter.
(Algorithms): Move Frames text to the new chapter.
(Target Conditionals): Delete SAVE_DUMMY_FRAME_TOS. Document
gdbarch_dummy_id instead of gdbarch_unwind_dummy_id.
Joel Brobecker [Tue, 29 Apr 2008 16:06:07 +0000 (16:06 +0000)]
* gdbarch.sh: Document the return_value method. Explain that
the FUNCTYPE parameter might be NULL.
* gdbarch.h: Regenerated.
* sparc-tdep.c (sparc32_push_dummy_code): Do not pass the function
type when calling using_struct_return, as this is unnecessary
on this target.
* elf.c (_bfd_elf_get_dynamic_reloc_upper_bound)
(_bfd_elf_canonicalize_dynamic_reloc): Find dynamic relocations
even if they are not loaded.
* elflink.c (_bfd_elf_init_2_index_sections): Set data_index_section
first.
* ld-arm/symbian-seg1.s, ld-arm/symbian-seg1.d: New files.
* ld-arm/arm-elf.exp: Run symbian-seg1.
Adam Nemet [Mon, 28 Apr 2008 17:10:18 +0000 (17:10 +0000)]
* gas/mips/mips4.s: Split out fp instruction from here ...
* gas/mips/mips4-fp.s: ... to here.
* gas/mips/mips4.d: Update.
* gas/mips/mips4-fp.l: New file. Check error messages with
-msoft-float.
* gas/mips/mips4-fp.d: New file. Check disassembly with
hard-float.
* gas/mips/mips32r2.s: Split out fp instructions from here ...
* gas/mips/mips32r2-fp32.s: ... to here.
* gas/mips/mips32r2.d: Update.
* gas/mips/mips32r2-fp32.l: New file. Check error messages with
-msoft-float.
* gas/mips/mips32r2-fp32.d: New file. Check disassembly with
hard-float.
* gas/mips/mips32r2-ill-nofp.s, gas/mips/mips32r2-ill-nofp.l: New
test derived from mips32r2-ill.
* gas/mips/mips32-sf32.l: New list test for mips32-sf32.s to check
error messages for soft-float targets.
* gas/mips/mips-macro-ill-sfp.s, gas/mips/mips-macro-ill-sfp.l:
New test for -msingle-float.
* gas/mips/mips-macro-ill-nofp.s, gas/mips/mips-macro-ill-nofp.l:
New test for -msoft-float.
* gas/mips/mips-hard-float-flag.s,
gas/mips/mips-hard-float-flag.l: New test for -mhard-float.
* gas/mips/mips-double-float-flag.s,
gas/mips/mips-double-float-flag.l: New test for -mdouble-float.
* gas/mips/mips.exp: Run new mips4-fp and mips32r2-fp dump tests.
Run mips4-fp and mips32r2-fp list tests with -msoft-float. Run
new mips32r2-ill-nofp with -msoft-float. Run new mips32-sf32 list
test with -msoft-float. Run new mips-macro-ill-sfp test with
-msingle-float. Run new mips-macro-ill-nofp test with
-msoft-float. Run new mips-hard-float-flag and
mips-double-float-flag tests.
Adam Nemet [Mon, 28 Apr 2008 17:06:28 +0000 (17:06 +0000)]
* config/tc-mips.c (file_mips_soft_float, file_mips_single_float):
New statics.
(OPTION_ELF_BASE): Make room for new option macros.
(OPTION_SOFT_FLOAT, OPTION_HARD_FLOAT, OPTION_SINGLE_FLOAT,
OPTION_DOUBLE_FLOAT): New option macros.
(md_longopts): Add msoft-float, mhard-float, msingle-float and
mdouble-float.
(md_parse_option): Handle OPTION_SINGLE_FLOAT,
OPTION_DOUBLE_FLOAT, OPTION_SOFT_FLOAT and OPTION_HARD_FLOAT.
(md_show_usage): Add -msoft-float, -mhard-float, -msingle-float
and -mdouble-float.
(struct mips_set_options): New fields soft_float and single_float.
(mips_opts): Initialized them. Add comment for each field
initializer.
(mips_after_parse_args): Set them based on file_mips_soft_float
and file_mips_single_float.
(s_mipsset): Add support for `.set softfloat', `.set hardfloat',
`.set singlefloat' and `.set doublefloat'.
(is_opcode_valid): New function to invoke OPCODE_IS_MEMBER.
Handle single-float and soft-float instructions here.
(macro_build, mips_ip): Use it instead of OPCODE_IS_MEMBER.
(is_opcode_valid_16): New function.
(mips16_ip): Use it instead of OPCODE_IS_MEMBER.
(macro) <M_LDC1_AB, M_SDC1_AB, M_L_DOB, M_L_DAB, M_S_DAB,
M_S_DOB>: Remove special-casing of r4650.
* doc/c-mips.texi (-march=): Add Octeon.
(MIPS Opts): Document -msoft-float and -mhard-float. Document
-msingle-float and -mdouble-float.
(MIPS floating-point): New section. Document `.set softfloat' and
`.set hardfloat'. Document `.set singlefloat' and `.set
doublefloat'.
Adam Nemet [Mon, 28 Apr 2008 17:03:58 +0000 (17:03 +0000)]
* mips-opc.c (mips_builtin_opcodes): Mark prefx and c1
instructions FP_S. Mark l.s, li.s, lwc1, swc1, s.s, trunc.w.s and
cop1 macros INSN2_M_FP_S. Mark l.d, li.d, ldc1 and sdc1 macros
INSN2_M_FP_D. Mark trunc.w.d macro INSN2_M_FP_S and INSN2_M_FP_D.
David S. Miller [Fri, 25 Apr 2008 19:58:03 +0000 (19:58 +0000)]
gas/
* config/tc-sparc.c: Accept 'softint_clear' and 'softint_set'
%asr aliases.
* doc/c-sparc.texi: Consistently refer to architecture 'versions',
rather than occaisionally 'levels'. Consistently refer to Sun's
UNIX variant as SunOS, every version of Solaris is also SunOS.
Document new 'softint_clear' and 'softint_set' aliases. Clarify
which architecture versions support '%dcr', '%cq', and '%gl'. Add
section on 32-bit/64-bit opcode translations.
opcodes/
* sparc-dis.c: Emit %stick instead of %sys_tick, and %stick_cmpr
instead of %sys_tick_cmpr, as suggested in architecture manuals.
Vladimir Prus [Thu, 24 Apr 2008 13:28:06 +0000 (13:28 +0000)]
* mi/mi-cmds.h (mi_cmd_args_ftype): Remove.
Adjust all prototypes using mi_cmd_args_ftype to use
mi_cmd_argv_ftype.
(struct mi_cmd): Remove the args_func field.
* mi/mi-cmds.c: Don't provide value for the args_func field.
* mi/mi-main.c (mi_execute_async_cli_command)
(mi_cmd_exec_run, mi_cmd_exec_next, mi_cmd_exec_next_instruction)
(mi_cmd_exec_step, mi_cmd_exec_step_instruction)
(mi_cmd_exec_finish, mi_cmd_exec_until, mi_cmd_exec_return)
(mi_cmd_exec_continue, mi_cmd_exec_interrupt)
(mi_cmd_target_download): Adjust.
(mi_cmd_target_select): Adjust. Pass 0 for from_tty parameter.
(mi_cmd_execute): Do not check for args_func.
(mi_execute_async_cli_command): Adjust.
* mi/mi-parse.c: Don't check for args_func.
Vladimir Prus [Thu, 24 Apr 2008 12:56:45 +0000 (12:56 +0000)]
* breakpoint.c (bpstat_check_location)
(bpstat_check_watchpoint, bpstat_check_breakpoint_conditions):
New, extracted from bpstat_stop_status.
(bpstat_stop_status): Use the above.
Vladimir Prus [Thu, 24 Apr 2008 12:09:49 +0000 (12:09 +0000)]
* mi/mi-main.c (last_async_command): Rename to current_token.
(previous_async_command): Remove.
(mi_cmd_gdb_exit): Adjust.
(mi_cmd_exec_interrupt): Don't dance with previous_async_command.
(mi_cmd_target_select): Adjust.
(mi_cmd_execute): Don't set previous_async_command. Free token
here even in async mode.
(mi_execute_async_cli_command): Adjust.
(mi_exec_async_cli_cmd_continuation): Adjust. Do not free the
token.
(mi_load_progress): Adjust.
Vladimir Prus [Thu, 24 Apr 2008 11:13:44 +0000 (11:13 +0000)]
exec_cleanup murder.
* breakpoint.c (until_break_command_continuation): Add
the 'error' parameter. Directly delete the breakoint as
opposed to running cleanups.
(until_break_command): Install continuation only
after starting the target. Don't use exec cleanups,
use ordinary cleanups. Discard cleanups is successfully
started the target in async mode.
(make_cleanup_delete_breakpoint): Remove.
* breakpoint.h (make_cleanup_delete_breakpoint): Remove
declaration.
* defs.h (do_exec_cleanups, make_exec_cleanup): Remove
declarations.
(struct continations): Add the 'error' parameter to the
continuation_hook field.
(add_continuation, do_all_continuations)
(add_intermediate_continuation)
(do_all_intermediate_continuations): Add the 'error' parameter.
* exceptions.c (throw_exception): Don't call do_exec_cleanups.
* inf-loop.c (inferior_event_handler): Instead of calling
discard_all_continuations, use do_all_continuations with 1 as
'error' parameter. Pass 0 as 'error' parameter in existing uses
of discard_all_continuations.
* infcmd.c (step_1): Do not use exec cleanup. For async case, discard
cleanups.
(step_once): Install continuation only after resuming the target.
(step_1_continuation): Disable longjmp breakpoint on error.
(finish_command_continuation): Add the error parameter. Delete
the finish breakpoint directly, do not use cleanups.
(finish_command): Do not use exec_cleanups. Always setup
continuation. For sync case, immediately run them.
(attach_command_continuation): Add the error parameter.
* infrun.c (fetch_inferior_event): Do not use exec cleanups to
remove step_resume_breakpoint -- adjust delete it directly.
* interps.c (interp_set): Adjust call to do_all_continations.
* mi/mi-interp.c (mi_interpreter_exec_continuation): Do not
do exec cleanups.
* mi/mi-main.c (mi_cmd_target_select): Do not do exec
cleanups.
(mi_cmd_execute): Do not use exec_cleanup.
(mi_execute_async_cli_command): Simplify the string concatenation
logic. Do no use exec cleanup.
(mi_exec_async_cli_cmd_continuation): New parameter error.
Free last_async_command.
* top.c (command_line_handler_continuation): New parameter error.
* utils.c (exec_cleanup_chain, make_exec_cleanup)
(do_exec_cleanups): Remove.
(add_continuation, do_all_continations)
(add_intermediate_continuation)
(do_all_intermediate_continuations): New parameter error.
* Makefile.in (xtensa-tdep.o): Update dependencies.
* configure.tgt (xtensa*): Update dependencies.
* xtensa-tdep.c (arreg_number): Renamed from areg_number.
Local variable areg renamed to arreg.
(areg_number): New function.
(xtensa_pseudo_register_read, xtensa_pseudo_register_write)
(xtensa_extract_return_value, xtensa_store_return_value): areg_number
replaced by arreg_number.
(xtensa_windowed_frame_cache, struct xtensa_frame_cache): New comments.
(xtensa_alloc_frame_cache): Initialize cache->wd.ws.
(xtensa_scan_prologue): New function.
(xtensa_frame_cache): New local fp_regnum. Handle separately the case,
when ENTRY instraction hasn't been executed yet. Get the frame pointer
value based on prologue analysis. Fix the bugs preventing WS and
AR4-AR7/A11 registers from getting right values for intermediate frames,
whose registers have been already spilled.
(xtensa_frame_prev_register): Fix WS register value. Use are_number
and arreg_number appropriately.
(xtensa_gdbarch_init): Set solib_svr4_fetch_link_map_offsets to
svr4_ilp32_fetch_link_map_offsets.
Mike Frysinger [Wed, 23 Apr 2008 18:40:34 +0000 (18:40 +0000)]
2008-04-23 Mike Frysinger <vapier@gentoo.org>
* Makefile.am (OBJ_FORMAT_CFILES): Add config/obj-fdpicelf.c.
(OBJ_FORMAT_HFILES): Add config/obj-fdpicelf.h.
(obj-fdpicelf.o): Define.
* Makefile.in: Regenerate.
* configure.tgt: Set bfd_gas to yes when fmt is fdpicelf.
(bfin-*-*): Delete.
(bfin-*-linux-uclibc): New; set fmt to fdpicelf and em to linux.
(bfin-*-uclinux*): New; set fmt to elf and em to linux.
* config/obj-fdpicelf.c: New.
* config/obj-fdpicelf.h: Likewise.
* config/tc-bfin.c (bfin_flags, bfin_pic_flag): Set default based on
the OBJ_FDPIC_ELF define.
(OPTION_NOPIC): Define.
(md_longopts): Add mnopic and mno-fdpic.
(md_parse_option): Handle OPTION_NOPIC.
Nick Clifton [Wed, 23 Apr 2008 13:54:56 +0000 (13:54 +0000)]
* config/obj-elf.c (obj_elf_section_type): Add prototype
before obj_elf_section_word and add 'warn' arg.
(obj_elf_section_word): Add type pointer arg, and if no #SECTION
is matched, try checking for #SECTION_TYPE.
(obj_elf_section): Adjust for new args.
(obj_elf_type_name): New function.
(obj_elf_type): Call it, and accept STT_foo number strings
in .type statements as output by SunPRO compiler.
* config/tc-sparc.c (v9a_asr_table): Add missing
'stick' and 'stick_cmpr', and document ordering rules
of table.
(tc_gen_reloc): Accept BFD_RELOC_SPARC_PC22 and
BFD_RELOC_SPARC_PC10.
* doc/c-sparc.texi: New section on Sparc constants.
Add documentation for %stick and %stick_cmpr.
gas/testsuite/
* gas/sparc/pc2210.d: New file.
* gas/sparc/pc2210.d: Likewise.
* gas/sparc/sparc.exp: Run new %pc22/%pc10 relocation test.
Jan Kratochvil [Tue, 22 Apr 2008 22:23:16 +0000 (22:23 +0000)]
* ada-lang.c (get_selections): Variable PROMPT made non-const and
initialized with a trailing space now. Use PROMPT_ARG of
COMMAND_LINE_INPUT instead of printing it ourselves.
* gdb.texinfo (Set SH Calling convention): New @item.
(Show SH Calling convention): Ditto.
ChangeLog:
----------
* NEWS: Add information on calling convention and new SH CLI options.
* sh-tdep.c (sh_cc_gcc): New static string.
(sh_cc_renesas): Ditto.
(sh_cc_enum): New static string array.
(sh_active_calling_convention): New static string pointer denoting
active user chosen ABI.
(sh_is_renesas_calling_convention): New function to return function
specific ABI, or user choice if necessary.
(sh_use_struct_convention): Rename first argument and turn around its
meaning. Check for renesas ABI and return accordingly.
(sh_use_struct_convention_nofpu): New function.
(sh_next_flt_argreg): Get function type as third parameter. Check
for renesas ABI and choose floating registers accordingly.
(sh_push_dummy_call_fpu): Check for ABI and choose argument slot and
struct return slot accordingly.
(sh_push_dummy_call_nofpu): Ditto.
(sh_return_value_nofpu): Call sh_use_struct_convention_nofpu from here.
Evaluate ABI and give to sh_use_struct_convention_nofpu.
(sh_return_value_fpu): Evaluate ABI and give to
sh_use_struct_convention.
(show_sh_command): New function.
(set_sh_command): Ditto.
(_initialize_sh_tdep): Initialize `set/show sh calling-convention
CLI command.
* gdbarch.sh (return_value): Add func_type argument.
* gdbarch.c: Regenerate.
* gdbarch.h: Ditto.
* eval.c (evaluate_subexp_standard): Rename local variable value_type to
val_type so as not to collide with value_type function. Call
using_struct_return with additional function type argument.
* infcall.c (call_function_by_hand): Call using_struct_return and
gdbarch_return_value with additional function type argument.
* infcmd.c (print_return_value): Take addition func_type argument.
Call gdbarch_return_value with additional function type argument.
(finish_command_continuation): Call print_return_value with additional
function type argument.
(finish_command): Ditto.
* sparc-tdep.c (sparc32_push_dummy_code): Call using_struct_return with
additional function type argument.
* stack.c (return_command): Call using_struct_return and
gdbarch_return_value with additional function type argument.
* value.c (using_struct_return): Take additional function type argument.
* value.h (using_struct_return): Accommodate declaration.
* alpha-tdep.c (alpha_return_value): Add func_type argument.
* amd64-tdep.c (amd64_return_value): Ditto.
* arm-tdep.c (arm_return_value): Ditto.
* avr-tdep.c (avr_return_value): Ditto.
* cris-tdep.c (cris_return_value): Ditto.
* frv-tdep.c (frv_return_value): Ditto.
* h8300-tdep.c (h8300_return_value): Ditto.
(h8300h_return_value): Ditto.
* hppa-tdep.c (hppa32_return_value): Ditto.
(hppa64_return_value): Ditto.
* i386-tdep.c (i386_return_value): Ditto.
* ia64-tdep.c (ia64_return_value): Ditto.
* iq2000-tdep.c (iq2000_return_value): Ditto.
* m32c-tdep.c (m32c_return_value): Ditto.
* m32r-tdep.c (m32r_return_value): Ditto.
* m68hc11-tdep.c (m68hc11_return_value): Ditto.
* m68k-tdep.c (m68k_return_value): Ditto.
(m68k_svr4_return_value): Ditto.
* m88k-tdep.c (m88k_return_value): Ditto.
* mep-tdep.c (mep_return_value): Ditto.
* mips-tdep.c (mips_eabi_return_value): Ditto.
(mips_n32n64_return_value): Ditto.
(mips_o32_return_value): Ditto.
(mips_o64_return_value): Ditto.
* mn10300-tdep.c (mn10300_return_value): Ditto.
* mt-tdep.c (mt_return_value): Ditto.
* ppc-linux-tdep.c (ppc_linux_return_value): Ditto.
* ppc-sysv-tdep.c (ppc_sysv_abi_return_value): Ditto.
(ppc_sysv_abi_broken_return_value): Ditto.
(ppc64_sysv_abi_return_value): Ditto.
* ppc-tdep.h (ppc_sysv_abi_return_value): Ditto.
(ppc_sysv_abi_broken_return_value): Ditto.
(ppc64_sysv_abi_return_value): Ditto.
* ppcnbsd-tdep.c (ppcnbsd_return_value): Ditto.
* rs6000-tdep.c (rs6000_return_value): Ditto.
* s390-tdep.c (s390_return_value): Ditto.
* score-tdep.c (score_return_value): Ditto.
* sh-tdep.c (sh_return_value_nofpu): Ditto.
(sh_return_value_fpu): Ditto.
* sh64-tdep.c (sh64_return_value): Ditto.
* sparc-tdep.c (sparc32_return_value): Ditto.
* sparc64-tdep.c (sparc64_return_value): Ditto.
* spu-tdep.c (spu_return_value): Ditto.
* v850-tdep.c (v850_return_value): Ditto.
* vax-tdep.c (vax_return_value): Ditto.
* xstormy16-tdep.c (xstormy16_return_value): Ditto.
* xtensa-tdep.c (xtensa_return_value): Ditto.
* gdbtypes.h (struct type): Add calling_convention member.
* dwarf2read.c (read_subroutine_type): Add calling convention read
from DW_AT_calling_convention attribute to function type.
Markus Deuling [Tue, 22 Apr 2008 06:53:18 +0000 (06:53 +0000)]
* eval.c (evaluate_subexp_standard): Use value_subscripted_rvalue for
multi_f77_subscript to support values from registers.
* valarith.c (value_subscripted_rvalue): Remove prototype and static.
* value.h (value_subscripted_rvalue): Add prototype.
* f-typeprint.c (f_type_print_base): Add support for TYPE_CODE_UNION.
Fix output.
* f-valprint.c (f_val_print): Likewise.
bfd/
* elfxx-mips.c (_bfd_mips_vxworks_adjust_dynamic_symbol): Don't
set the value of undefined symbols in shared objects.
(_bfd_mips_vxworks_finish_dynamic_symbol): Clear value for
undefined symbols unless pointer equality is needed.
ld/testsuite/
* ld-vxworks/plt-mips1.s: New.
* ld-vxworks/plt-mips1.d: New.
* configure.srv (powerpc64-*-linux*, powerpc-*-linux*): Merge into single
powerpc*-*-linux* case.
(s390-*-linux*, s390x-*-linux*): Merge into single s390*-*-linux* case.
* NEWS: Add information on compressed debug sections.
* doc/gdb.texinfo (Requirements): Add an optional requirement
on zlib.
* doc/gdbint.texinfo (Debugging File Formats): Add new
subsection for Compressed DWARF 2.