2002-01-23 Fred Fish <fnf@redhat.com>
* mdebugread.c (parse_partial_symbols): Only copy stabstring1 to
stabstring on initial malloc. Reallocing will copy it for us,
if necessary.
* ppc-linux-nat.c (ppc_register_u_addr, supply_gregset,
fill_gregset): Call gdbarch_tdep() just once, assign result to
variable and use that, instead of calling the function several
times.
* sh-tdep.c (sh_pseudo_register_read): New function. Renamed and
modified version of obsolete sh_fetch_pseudo_register.
(sh_fetch_pseudo_register): Rename to sh_pseudo_register_read.
(sh4_register_read): New function.
(sh_pseudo_register_write): New function. Renamed and modified
version of obsolete sh_store_pseudo_register.
(sh_store_pseudo_register): Rename to sh_pseudo_register_write.
(sh4_register_write): New function.
(sh_gdbarch_init): Remove setting of gdbarch function
fetch_pseudo_register and store_pseudo_register. Remove setting of
register_convert_to_raw, register_convert_to_virtual,
register_convertible.
(sh_sh4_register_convertible): Delete. No longer needed. All is
taken care by architecture specific functions
register_read/register_write.
(sh_sh4_register_convert_to_virtual): Make static.
(sh_sh4_register_convert_to_raw): Ditto.
parameter. Set frameless flag if it exists and depended of
whether the scanned function is frameless or not.
(xstormy16_skip_prologue): If function is frameless, return
result of xstormy16_scan_prologue().
(xstormy16_frame_init_saved_regs): Adjust xstormy16_scan_prologue()
call.
* sh-tdep.c (sh_fp_frame_init_saved_regs, sh_push_arguments,
sh_generic_show_regs, sh3_show_regs, sh3e_show_regs,
sh3_dsp_show_regs, sh4_show_regs, sh_dsp_show_regs,
sh_sh4_register_byte, sh_sh4_register_raw_size,
sh_sh3e_register_virtual_type, sh_sh4_register_virtual_type,
sh_sh4_register_convertible, sh_sh4_register_convert_to_virtual,
sh_sh4_register_convert_to_raw, sh_fetch_pseudo_register,
sh_store_pseudo_register, sh_do_pseudo_register): Call
gdbarch_tdep() just once, assign result to variable and use that,
instead of calling the function several times.
is up-to-date before running the program, not just when a program
exits.
* testsuite/gdb.base/reread.exp: Check that GDB properly re-reads the
executable file when it changes while no inferior is running.
2002-01-21 Fred Fish <fnf@redhat.com>
* gdb.base/maint.exp: Simplify the "maint info breakpoints" test to
optionally accept the "shlib events" variation.
2002-01-21 Fred Fish <fnf@redhat.com>
* arm-tdep.c (thumb_skip_prologue): Quit scanning prologue
when we have found all instructions we are looking for.
call `fflush' after every `printf', so that the output is produced
at predictable points, regardless of whatever buffering does (or
doesn't) take place.
* gdb.base/ending-run.exp: Adjust tests to expect output to appear
at different points.
(arm_registers_names): Make static.
* config/arm/tm-arm.h (arm_register_names): Delete declaration.
(arm_register_name): Declare.
(REGISTER_NAME): Use it.
and Kevin Buettner <kevinb@redhat.com>
Convert arm targets to new FRAME interface.
* arm-tdep.c (struct frame_extra_info): Remove fsr.
(arm_frame_find_save_regs): Delete.
(arm_frame_init_saved_regs): New.
(arm_init_extra_frame_info): Alloacte saved_regs as required.
Allocate extra_info as required. Convert all uses of fsr.regs
to use saved_regs, similarly all uses of EXTRA_FRAME_INFO fields
to use extra_info.
(thumb_scan_prologue, arm_scan_prologue, arm_find_callers_reg)
(arm_frame_chain, arm_frame_saved_pc, arm_pop_frame): Likewise.
(check_prologue_cache, save_prologue_cache): Likewise.
(_initialize_arm_tdep): Ensure prologue_cache is correctly set up.
* config/arm/tm-arm.h (EXTRA_FRAME_INFO): Delete.
(FRAME_FIND_SAVED_REGS): Delete.
(arm_frame_find_saved_regs): Delete prototype.
(arm_frame_init_saved_regs): New prototype.
(FRAME_INIT_SAVED_REGS): Define.
(alpha_register_raw_size): Ditto.
(alpha_register_virtual_size): Ditto.
(alpha_skip_prologue_internal): Renamed from
alpha_skip_prologue.
(alpha_skip_prologue): New version that calls
alpha_skip_prologue_internal.
(alpha_in_lenient_prologue): Use alpha_skip_prologue_internal.
* config/alpha/tm-alpha.h (SKIP_PROLOGUE): Remove
second argument from alpha_skip_prologue.
(REGISTER_BYTE): Use alpha_register_byte.
(REGISTER_RAW_SIZE): Use alpha_register_raw_size.
(REGISTER_VIRTUAL_SIZE): Use alpha_register_virtual_size.
(FRAMELESS_FUNCTION_INVOCATION): Use
generic_frameless_function_invocation_not.
(FRAME_NUM_ARGS): Use frame_num_args_unknown.
(COERCE_FLOAT_TO_DOUBLE): Use standard_coerce_float_to_double.
(alpha_init_frame_pc_first): Ditto.
(alpha_fix_call_dummy): Ditto.
(alpha_store_struct_return): Ditto.
(alpha_extract_struct_value_address): Ditto.
* config/alpha/tm-alpha.h (REGISTER_VIRTUAL_TYPE): Use
alpha_register_virtual_type.
(STORE_STRUCT_RETURN): Use alpha_store_struct_return.
(EXTRACT_STRUCT_VALUE_ADDRESS): Use
alpha_extract_struct_value_address.
(FIX_CALL_DUMMY): Use alpha_fix_call_dummy.
(INIT_FRAME_PC): Use init_frame_pc_noop.
(INIT_FRAME_PC_FIRST): Use alpha_init_frame_pc_first.
(alpha_find_saved_regs): Make static. Use
frame->extra_info.
(alpha_frame_init_saved_regs): New function.
(alpha_frame_saved_pc): Use frame->extra_info.
(temp_saved_regs): Don't declare as struct frame_saved_regs.
(heuristic_proc_desc): Adjust for temp_saved_regs changes.
(init_extra_frame_info): Rename to...
(alpha_init_extra_frame_info): ...this. Use frame->extra_info.
(alpha_print_extra_frame_info): New function.
(alpha_frame_locals_address): Ditto.
(alpha_frame_args_address): Ditto.
(alpha_pop_frame): Use frame->extra_info.
* config/alpha/tm-alpha.h (FRAME_ARGS_ADDRESS): Use
alpha_frame_args_address.
(FRAME_LOCALS_ADDRESS): Use alpha_frame_locals_address.
(alpha_find_saved_regs): Remove prototype.
(FRAME_INIT_SAVED_REGS): Use alpha_frame_init_saved_regs.
(EXTRA_FRAME_INFO): Remove.
(INIT_EXTRA_FRAME_INFO): Use alpha_init_extra_frame_info.
(PRINT_EXTRA_FRAME_INFO): Use alpha_print_extra_frame_info.
(alpha_cannot_fetch_register): Ditto.
(alpha_cannot_store_register): Ditto.
(alpha_register_convertible): Ditto.
(alpha_use_struct_convention): Ditto.
* config/alpha/tm-alpha.h: Update copyright years.
(IN_SIGTRAMP): Use alpha_osf_in_sigtramp.
(INNER_THAN): Use core_addr_lessthan.
(CANNOT_FETCH_REGISTER): Use alpha_cannot_fetch_register.
(CANNOT_STORE_REGISTER): Use alpha_cannot_store_register.
(REGISTER_CONVERTIBLE): Use alpha_register_convertible.
(USE_STRUCT_CONVENTION): Use alpha_use_struct_convention.
(FRAME_CHAIN): Remove unnecessary cast.
(fill_gregset): Use regcache_collect.
(fill_fpregset): Likewise.
(fetch_inferior_registers): Only fetch integer registers
if requested to do so.
(store_inferior_registers): Only store integer registers
if requested to do so.
* linux-proc.c: Add "info proc" command, a la procfs.c.
(read_mapping): New function, abstract and re-use code.
(linux_find_memory_regions): Use new func read_mapping.
(linux_info_proc_cmd): New function, implement "info proc".
(_initialize_linux_proc): Add new command "info proc".
* symfile.c (generic_load): Use bfd_map_over_sections method
instead of manipulating bfd structure members directly.
(add_section_size_callback): New function, bfd sections callback
used by generic_load.
(load_sections_callback): New function, bfd sections callback
used by generic_load.
[Based on work by Jim Blandy]
* gdbtypes.h (builtin_type_v16qi, builtin_type_v8hi): Export.
(builtin_type_vec128): Export.
* gdbtypes.c (builtin_type_v16qi, builtin_type_v8hi): New SIMD
types.
(builtin_type_vec128): New builtin type for 128 bit vector
registers.
(build_gdbtypes): Initialize builtin_type_v16qi and
builtin_type_v8hi. Create the vec128 register builtin type
structure.
(build_builtin_type_vec128): New function.
(_initialize_gdbtypes): Register builtin_type_v16qi and
builtin_type_v8hi with gdbarch. Same for builtin_type_vec128.
* rs6000-tdep.c (rs6000_register_virtual_type): Change type of
AltiVec register to new builtin type.
* linux-proc.c (linux_do_thread_registers): Ignore fpxregs
until we can resolve portability issues.
* gregset.h: Remove references to fpxregs.
* gcore.c (gcore_command): Initialize note_sec to NULL.
errors evaluating the object before attempting to set its
value.
value_cast now properly adjusts VALUE_ADDRESS for baseclasses,
so this offset adjustment is no longer necessary.
(create_child): Don't set the error flag if the child is
a CPLUS_FAKE_CHILD.
(value_of_child): If value_fetch_lazy fails, return NULL
so that callers will be notified that an error occurred.
(c_value_of_variable): Delay check of variable's validity
until later. We actually want all structs and unions to have
the value "{...}".
Do not return "???" for variables which could not be evaluated.
This error condition must be returned to the caller so that it
can get the error condition from gdb.
(cplus_name_of_child): Adjust index for vptr before figuring
out the name of the child.
(cplus_value_of_child): If a child's (real) parent is not valid,
don't even bother trying to give a value for it. Just return
an error. Change all instances in this function.
(cplus_type_of_child): If our parent is one of the "fake"
parents, we need to get at the type of the real parent, and
derive the child's true type using this information.
* symfile.c (generic_load): Whitespace and long line cleanups.
Remove duplicate variable, change several local variables to
more appropriate data types.
(print_transfer_performance): Use %lu instead of %ld for ulongs.
DW_TAG_string_type (this is acceptable under the current DWARF 2.1/3.0
standard.)
2) In read_tag_string_type(), a fix for FORTRAN that propagates the
first string length to all string types. This is important as FORTRAN
strings are not delimited as in C/C++.
3) Handling of the DW_LANG_Fortran95.
* main.c (captured_main): Add new command line option "--pid".
If the second command line argument (following the symbol-file)
begins with a digit, try to attach to it before trying to open
it as a corefile.
(print_gdb_help): Document the "--pid" argument.
* gdb.c++/classes.exp: Accept 'A const' or 'const A' in copy
constructors.
* gdb.c++/derivation.exp: Likewise.
* gdb.c++/templates.exp: Likewise.
* gdb.c++/virtfunc.exp: Likewise.
* gdb.base/gcore.exp: New test for generate-core-file command.
* gdb.base/gcore.c: Testcase for above.
* gdb.threads/gcore-thread.exp: New test for gcore (threaded).
Implement a "generate-core-file" command in gdb, save target state.
* gcore.c: New file. Implement new command 'generate-core-file'.
Save a corefile image of the current state of the inferior.
* linux-proc.c: Add linux-specific code for saving corefiles.
* target.h (struct target_ops): Add new target vectors for saving
corefiles; to_find_memory_regions and to_make_corefile_notes.
(target_find_memory_regions): New macro.
(target_make_corefile_notes): New macro.
* target.c (update_current_target): Inherit new target methods.
(dummy_find_memory_regions): New place-holder method.
(dummy_make_corefile_notes): New place-holder method.
(init_dummy_target): Initialize new dummy target vectors.
* exec.c (exec_set_find_memory_regions): New function.
Allow the exec_ops vector for memory regions to be taken over.
(exec_make_note_section): New function, target vector method.
* defs.h (exec_set_find_memory_regions): Export prototype.
* procfs.c (proc_find_memory_regions): New function, corefile method.
(procfs_make_note_section): New function, corefile method.
(init_procfs_ops): Set new target vector pointers.
(find_memory_regions_callback): New function.
(procfs_do_thread_registers): New function.
(procfs_corefile_thread_callback): New function.
* sol-thread.c (sol_find_memory_regions): New function.
(sol_make_note_section): New function.
(init_sol_thread_ops): Initialize new target vectors.
* inftarg.c (inftarg_set_find_memory_regions): New function.
Allow to_find_memory_regions vector to be taken over.
(inftarg_set_make_corefile_notes): New function.
Allow to_make_corefile_notes vector to be taken over.
* thread-db.c (thread_db_new_objfile): Don't activate thread-db
interface layer if not target_has_execution (may be a corefile).
* config/i386/linux.mh: Add gcore.o to NATDEPFILES.
* config/sparc/sun4sol2.mh: Ditto.
* config/alpha/alpha-linux.mh: Ditto.
* config/arm/linux.mh: Ditto.
* config/i386/x86-64linux.mh: Ditto.
* config/ia64/linux.mh: Ditto.
* config/m68k/linux.mh: Ditto.
* config/mips/linux.mh: Ditto.
* config/powerpc/linux.mh: Ditto.
* config/sparc/linux.mh: Ditto.
* infptrace.c (GDB_MAX_ALLOCA): New define.
(child_xfer_memory): Use xmalloc/xfree instead of alloca if the
size of the buffer exceeds GDB_MAX_ALLOCA (default 1 megabyte,
can be overridden with whatever value is appropriate to the host).
* infttrace.c (child_xfer_memory): Add FIXME warning about use of
alloca to allocate potentially large buffer.
* rs6000-nat.c (child_xfer_memory): Ditto.
* symm-nat.c (child_xfer_memory): Ditto.
* x86-64-linux-nat.c (child_xfer_memory): Ditto.
* gdb.base/huge.exp: New test. Print a very large target data object.
(skip_huge_test): New test variable. Define if you want to skip this
test. The test reads an 8 megabyte data object from the target, so it
might be very time consuming on remote targets with a slow connection.
* gdb.base/huge.c: New file. Test case for above.
* infptrace.c (GDB_MAX_ALLOCA): New define.
(child_xfer_memory): Use xmalloc/xfree instead of alloca if the
size of the buffer exceeds GDB_MAX_ALLOCA (default 1 megabyte,
can be overridden with whatever value is appropriate to the host).
* infttrace.c (child_xfer_memory): Add FIXME warning about use of
alloca to allocate potentially large buffer.
* rs6000-nat.c (child_xfer_memory): Ditto.
* symm-nat.c (child_xfer_memory): Ditto.
* x86-64-linux-nat.c (child_xfer_memory): Ditto.
(multi_ilne_while_conditional): Likewise.
* gdb.base/break.exp: Verify that a breakpoint on a multi-line
IF or WHILE condition puts the breakpoint at the start of
the condition.
* config.in: Regenerate.
* configure.in: Update copyright years.
Add test for PT_GETXMMREGS supplied by <sys/ptrace.h>.
* configure: Regenerate.
* i386bsd-nat.c: Update copyright years.
(fill_gregset): Use regcache_collect.
(fetch_inferior_registers): Only fetch integer registers
if requested to do so. Add support for XMM registers
using PT_GETXMMREGS.
(store_inferior_registers): Only store integer registers
if requested to do so. Add support for XMM registers
using PT_SETXMMREGS.
* i386nbsd-nat.c (fetch_inferior_registers): Remove.
(store_inferior_registers): Remove.
(fetch_core_registers): Use supply_gregset and i387_supply_fsave.
(fetch_elfcore_registers): New function.
(i386nbsd_elfcore_fns): New.
(_initialize_i386nbsd_nat): Register i386nbsd_elfcore_fns.
* config/i386/nbsd.mh (NATDEPFILES): Add i387-nat.o and
i386bsd-nat.o.
* config/i386/nbsdelf.mh (NATDEPFILES): Likewise.
* config/i386/nbsd.mt (TDEPFILES): Add i386bsd-nat.o.
* config/i386/nbsdelf.mt (TDEPFILES): Likewise.
* config/i386/tm-nbsd.h: Update copyright years.
(HAVE_SSE_REGS): Define.
(IN_SIGTRAMP): Define as i386bsd_in_sigtramp.
(SIGTRAMP_START): Redefine as i386bsd_sigtramp_start.
(SIGTRAMP_END): Redefine as i386bsd_sigtramp_end.
(SIGCONTEXT_PC_OFFSET): Remove.
(FRAME_SAVED_PC): Define as i386bsd_frame_saved_pc.
* stabsread.c: Update copyright years.
From Debashis Mahata <debashis.mahata@wipro.com>:
(read_struct_fields): Deal with Sun C compiler erroneous stab
output for structs and unions.
* valops.c (find_overload_match): Accept obj as a
reference parameter. Update it before returning.
* value.h (find_overload_match): Update prototype.
* eval.c (evaluate_subexp_standard): Pass object to
find_overload_match by reference.
Abstract the functionality of iterating over mapped memory
regions into a general purpose iterator function.
* procfs.c (iterate_over_mappings): New function, general purpose
iterator for memory sections.
(proc_iterate_over_mappings): Reimplement using iterate_over_mappings.
(solib_mappings_callback): New function, callback for above.
(info_proc_mappings): Reimpliment using iterate_over_mappings.
(info_mappings_callback): New function, callback for above.
* procfs.c (proc_set_watchpoint): Add cast to suppress warning.
* i386-tdep.c: Include "elf-bfd.h".
(process_note_abi_tag_sections): New function.
(i386_gdbarch_init): Add code to recognize various OS/ABI
combinations.
against BFD_ENDIAN_UNKNOWN.
(gdbarch_info_init): Initialize byte_order to BFD_ENDIAN_UNKNOWN.
* gdbarch.sh: Update comments on default value of byte_order.
(verify_gdbarch, gdbarch_update_p): Test byte_order against
BFD_ENDIAN_UNKNOWN.
* gdbarch.h, gdbarch.c: Re-generate.
* procfs.c (info_proc_cmd): Add the 'mappings' sub-command that
was dropped a few years ago, when procfs.c was rewritten.
(info_proc_mappings): New function, implement 'info proc mappings'.
(mappingflags): New function.
(_initialize_procfs): Document new option to 'info proc' command.
FCTRL_REGNUM, FPC_REGNUM, FSTAT_REGNUM, FTAG_REGNUM, FCS_REGNUM,
FCOFF_REGNUM, FDS_REGNUM, FDOFF_REGNUM, FOP_REGNUM,
LAST_FPU_CTRL_REGNUM, XMM0_REGNUM, XMM7_REGNUM, MXCSR_REGNUM,
IS_FP_REGNUM, IS_SSE_REGNUM): Removed.
(FP0_REGNUM): Define conditionally depending on HAVE_I387_REGS.
(SIZEOF_FPU_CTRL_REGS): Hardcode value.
* i386-tdep.h (struct gdbarch_tdep): Change such that it contains
a single member `num_xmm_regs'.
(FPC_REGNUM): New macro.
(FIRST_FPU_REGNUM, LAST_FPU_REGNUM, FISRT_XMM_REGNUM,
LAST_XMM_REGNUM, MXCSR_REGNUM, FIRST_FPU_CTRL_REGNUM,
LAST_FPU_CTRL_REGNUM): Removed.
(FCTRL_REGNUM, FSTAT_REGNUM, FTAG_REGNUM, FOP_REGNUM, XMM0_REGNUM,
MXCSR_REGNUM): Define unconditionally. Change macros to match the
comment describing the register layout.
(FISEG_REGNUM, FIOFF_REGNUM, FOSEG_REGNUM, FOOFF_REGNUM): New macros.
(FP_REGNUM_P, FPC_REGNUM_P, SSE_REGNUM_P): New macros.
(IS_FP_REGNUM, IS_FPU_CTRL_REGNUM, IS_SSE_REGNUM): Make obsolete,
unconditionally define in terms of FP_REGNUM_P, FPC_REGNUM_P and
SSE_REGNUM_P).
(FCS_REGNUM, FCOFF_REGNUM, FDS_REGNUM, FDOFF_REGNUM): Make
obsolete, unconditionally define in terms of FISEG_REGNUM,
FIOFF_REGNUM, FOSEG_REGNUM, FOOFF_REGNUM.
* i386-tdep.c (i386_gdbarch_init): Initialize `num_xmm_regs'
member of `struct gdbarch_tdep'.
* x86-64-tdep.c (i386_gdbarch_init): Change initialization of
`struct gdbarch_tdep'.
* i387-nat.c (FCS_REGNUM, FCOFF_REGNUM, FDS_REGNUM, FDOFF_REGNUM):
Replace with FISEG_REGNUM, FIOFF_REGNUM, FOSEG_REGNUM and
FOOFF_REGNUM. Use FPC_REGNUM instead of FIRST_FPU_CTRL_REGNUM.
Use XMM0_REGNUM instead of LAST_FPU_CTRL_REGNUM.
* configure.in: Check for realpath.
* defs.h (gdb_realpath): Declare.
* symtab.h (partial_symtab): Added fullname field.
* source.c (openp): Use gdb_realpath.
(forget_cached_source_info): Clear full name of each partial
symtab.
* utils.c (gdb_realpath): New function.
* symtab.c (lookup_symtab): Removed.
(lookup_symtab_1): Renamed to lookup_symtab.
(lookup_symtab): Look for real path.
(lookup_partial_symtab): Likewise.
* maint.c (match_substring): New function. Tokenizer for
'maintenance info sections' command arguments.
(match_bfd_flag): Use match_substring.
(print_bfd_section_info): Use match_substring.
(print_objfile_section_info): Use match_substring.
(maintenance_info_sections): Use match_substring.
with HP's compiler.
* gdb.hp/gdb.objdbg/objdbg01.exp: Likewise.
* gdb.hp/gdb.objdbg/objdbg02.exp: Likewise.
* gdb.hp/gdb.objdbg/objdbg03.exp: Likewise.
* gdb.hp/gdb.objdbg/objdbg04.exp: Likewise.
* gdb.hp/gdb.defects/solib-d.exp: Update to handle building with
either HP's compilers or GCC.
Andreas Schwab
Andrew Cagney
gdbadmin
Michael Snyder
Eli Zaretskii
Fred Fish
Elena Zannoni
Alexandre Oliva
Kevin Buettner
Corinna Vinschen
Mark Kettenis
Jim Blandy
Richard Earnshaw
Michael Chastain
Daniel Jacobowitz
Andreas Jaeger
Jason Thorpe
Per Bothner
Keith Seitz
Petr Sorfa
Jason Merrill
Pierre Muller
Jackie Smith Cashion
Jeff Law
Tom Rix
Tom Tromey
Orjan Friberg