Commit graph

2260 commits

Author SHA1 Message Date
Peter Schauer
be78eb1ab1 * dbxread.c (read_dbx_dynamic_symtab): Relocate BFD symbols by
section vma. Do not read dynamic relocs for sun3 executables to
	avoid BFD assertion message.
1994-04-18 20:26:32 +00:00
Jeff Law
8bd8cef202 Fix typo. 1994-04-18 17:17:23 +00:00
Jeff Law
9c842e0c31 * nm-hppab.h (KERNEL_U_ADDR): Define.
(FIVE_ARG_PTRACE): Likewise.
        (CANNOT_STORE_REGISTER): Likewise.
        nm-hppah.h (KERNEL_U_ADDR): Define.
        (FIVE_ARG_PTRACE): Likewise.
        (CANNOT_STORE_REGISTER): Likewise.
        (NEED_TEXT_START_END): Likewise.

        * tm-hppah.h (NEED_TEXT_START_END): Delete definition.
        * xm-hppah.h (KERNEL_U_ADDR): Delete definition.
        (FIVE_ARG_PTRACE): Likewise.
        * xm-hppab.h (KERNEL_U_ADDR): Delete definition.
        (FIVE_ARG_PTRACE): Likewise.

        * hppa-tdep.c (read_unwind_info): Make static.
        (restore_pc_queue): Indirect through the target vector to
        reload the register state.
1994-04-18 17:16:56 +00:00
Jeff Law
c5152d4234 * paread.c (compare_unwind_entries): Delete function. It's been
moved into hppa-tdep.c.
        (read_unwind_info): Likewise.
        (pa_symfile_read): No longer call read_unwind_info.  The unwind
        tables will be read in as they are needed.

        * hppa-tdep.c (compare_unwind_entries): New function.
        (read_unwind_info, internalize_unwinds): Likewise.
        (find_unwind_entry): Read in unwind information on demand.
1994-04-17 05:22:39 +00:00
Stan Shebs
fad466eb6d Fri Apr 15 11:53:46 1994 Stan Shebs (shebs@andros.cygnus.com)
* source.c (DIRNAME_SEPARATOR): New macro, replaces all references
	to : in search path processing.
	* defs.h (qsort): Rename argument in prototype.
	* symtab.h (SAYMBOL_VALUE): Rename value field, avoids bugs in
	some compilers.
	* breakpoint.c, exec.c, mdebugread.c, mipsread.c, xcoffexec.c
	(false): Eliminate usages.
1994-04-15 21:55:49 +00:00
Steve Chamberlain
63eef03aba * h8500-tdep.c (initialize_h8500_tdep, large_command):
All references to value changed to value_ptrlage_command is now
	called big_command.
	All references to value changed to value_ptr.
	* remote-z8k.c (e7000_wait): Use target_waitstatus and SETSTOP
	* remote-hms.c (hms_wait): Timeout after five seconds.
	* ser-go32.c (dosasync_read): Poll if timeout < 0.
	* config/tm/tm-h8500.h (BEFORE_MAIN_LOOP_HOOK): Deleted.
	* config/sh/tm-sh.h (BREAKPOINT): Is now sleep opcode.
1994-04-15 18:43:07 +00:00
Jeff Law
6bc194d2b5 * procfs.c (procfs_wait): Protect watchpoint code with appropriate
#ifdefs.
	(procfs_set_watchpoint, procfs_stopped_by_watchpoint): Likewise.
1994-04-14 14:16:56 +00:00
Jeff Law
e6b8a17192 * procfs.c (procfs_wait): Protect watchpoint code with appropriate
#ifdefs.
1994-04-14 14:04:15 +00:00
Jeff Law
9ec767849e * config/mips/nm-irix4.h (TARGET_CAN_USE_HARDWARE_WATCHPOINT): Define.
(STOPPED_BY_WATCHPOINT, HAVE_NONSTEPPABLE_WATCHPOINT): Likewise.
	(target_{insert,remove}_watchpoint): Likewise.
1994-04-14 03:13:52 +00:00
Jeff Law
999dd04b89 * breakpoint.h (enum bptype): Add bp_hardware_watchpoint and
bp_watchpoint_scope breakpoints.
	(struct breakpoint): Add val_chain and related_breakpoint fields
	for use by watchpoints.

	* breakpoint.c (within_scope): Delete.  No longer used.
	(TARGET_CAN_USE_HARDWARE_WATCHPOINT): Provide default definition.
	(target_{remove,insert}_watchpoint): Likewise.
	(can_use_hardware_watchpoint): New function.
	(remove_breakpoint): New function to remove a single breakpoint
	or hardware watchpoint.
	(insert_breakpoints): Handle insertion of hardware watchpoints.
	Store a copy of the value chain derived from the watchpoint
	expression.
	(remove_breakpoints): Simplify by using remove_breakpoint.
	(delete_breakpoint): Likewise.
	(watchpoint_check): Delete the watchpoint and watchpoint scope
	breakpoints when the watchpoint goes out of scope.  Save & restore
	the current frame after checking watchpoints.
	(breakpoint_init_inferior): Likewise (restarting the program
	makes all local watchpoints go out of scope).
	(bpstat_stop_status): Handle hardware watchpoints much like normal
	watchpoints. Delete the watchpoint and watchpoint scope breakpoint
	when the watchpoint goes out of scope.  Remove and reinsert all
	breakpoints before returning if we stopped when a hardware watchpoint
	fired.
	(watch_command): Use a hardware watchpoint when possible.  If
	watching a local expression, build a scope breakpoint too.
	(map_breakpoint_numbers): Also call given function for any
	related breakpoints.
	(disable_breakpoint): Never disable a scope breakpoint.
	(enable_breakpoint): Handle hardware breakpoints much like normal
	breakpoints, but recompute the watchpoint_scope breakpoint's
	frame and address  (if we have an associated scope breakpoint).
	(read_memory_nobpt): Handle hardware watchpoints like normal
	watchpoints.  When necessary handle watchpoint_scope breakpoints.
	(print_it_normal, bpstat_what, breakpoint_1, mention): Likewise.
	(clear_command, breakpoint_re_set_one, enable_command): Likewise.
	(disable_command): Likewise.

	* blockframe.c (find_frame_addr_in_frame_chain): New function.
	Extern prototype added to frame.h

	* infrun.c (wait_for_inferior): Set current_frame and select
	a frame before checking if we stopped due to a hardare watchpoint
	firing.  Handle stepping over hardware watchpoints.
	(normal_stop): Remove unnecessary call to select_frame.

	* value.h (value_release_to_mark): Declare.
	* values.c (value_release_to_mark): New function.

	* procfs.c (procfs_wait): Add cases for hardware watchpoints.
	(procfs_set_watchpoint, procfs_stopped_by_watchpoint): New functions.

	* hppab-nat.c (hppa_set_watchpoint): New function.

	* config/pa/nm-hppab.h (STOPPED_BY_WATCHPOINT): Define.
	(HAVE_STEPPABLE_WATCHPOINT): Define.
	(TARGET_CAN_USE_HARDWARE_WATCHPOINT): Define.
	(target_{insert,delete}_watchpoint): Define.
1994-04-13 21:57:00 +00:00
Stu Grossman
70e375c356 Mon Apr 11 19:21:27 1994 Stu Grossman (grossman at cygnus.com)
* xcoffread.c (read_xcoff_symtab):  Ignore symbols of class C_EXT,
	smtyp XTY_LD, sclass XMC_DS (external data segment label).  They
	often have the same names as debug symbols for functions, and
	confuse lookup_symbol().
1994-04-12 02:53:09 +00:00
Jim Kingdon
2ddeed277e * remote.c: Around redefinition of PBUFSIZE, adjust whitespace.
* config/pa/tm-hppa.h (REGISTER_BYTES): Use 4 rather than
	REGISTER_RAW_SIZE (1).
	Together these changes work around a bug in HP's compiler.  Both
	seem to be necessary.
1994-04-11 17:52:11 +00:00
Jeff Law
699daa9c10 * paread.c (pa_symtab_read): Handle ST_STUB symbols and symbols
with scope SS_EXTERNAL.  ST_ENTRY symbols in dynamic executables
        are type mst_solib_trampoline.
1994-04-11 16:19:03 +00:00
Jim Kingdon
7b2b07585e Fri Apr 8 17:14:37 1994 Jim Kingdon (kingdon@deneb.cygnus.com)
* config/m68k/es1800.mt: Change comments.

Fri Apr  8 17:14:37 1994  Rob Savoye  (rob@darkstar.cygnus.com)

	* config/m68k/monitor.mt (TDEPFILES): Don't include remote-es.o.
1994-04-09 00:18:21 +00:00
Stu Grossman
790a14a88b * lynx-nat.c: Restore regmap structure for SPARC. It's needed
for core files.
1994-04-08 22:37:35 +00:00
Jim Kingdon
a110a1c30b * values.c (unpack_long): Remove obsolete comment about using a
switch statement.
1994-04-08 22:30:55 +00:00
Jim Kingdon
f3e4ac4af6 * symfile.c (symbol_file_command): Add comments about command syntax. 1994-04-08 21:56:12 +00:00
Peter Schauer
2fe3b329f6 * infrun.c (IN_SOLIB_TRAMPOLINE): Correct comment, trampolines
are in the .plt section.
	* minsyms.c (lookup_solib_trampoline_symbol_by_pc,
	find_solib_trampoline_target):  New functions for handling
	stepping into -g compiled shared libraries.
	* symtab.h (lookup_solib_trampoline_symbol_by_pc,
	find_solib_trampoline_target):  Add prototypes.
	* config/tm-sunos.h (IN_SOLIB_TRAMPOLINE, SKIP_TRAMPOLINE_CODE):
	Define to handle stepping into  -g compiled shared libraries.
	* config/tm-sysv4.h (SKIP_TRAMPOLINE_CODE):  Define to handle
	stepping into  -g compiled shared libraries.
	* configure.in:  Add mips-*-sysv4* support.
	* config/mips/mipsv4.mh, config/mips/mipsv4.mt,
	config/mips/tm-mipsv4.h, config/mips/xm-mipsv4.h, mipsv4-nat.c:
	New files for MIPS SVR4 support.
	* Makefile.in:  Update for new mipsv4 files.
	* alpha-tdep.c (heuristic_proc_desc, find_proc_desc):  Use
	read_next_frame_reg to obtain the frame relative stack pointer.
	* mips-tdep.c (heuristic_proc_desc):  Use read_next_frame_reg to
	obtain the frame relative stack pointer.
	* mdebugread.c (parse_partial_symbols, psymtab_to_symtab1):
	Handle stStatic and stStaticProc symbols in stabs-in-ecoff output
	by entering them into the minimal symbol table.
	* printcmd.c (print_scalar_formatted):  Do not try to unpack to
	a long for float formats.
	* solib.c:  Include "elf/mips.h" only if DT_MIPS_RLD_MAP does not
	get defined in <link.h>.
	* solib.c (solib_add):  Add shared library sections to the section
	table of the target before adding the symbols.
	* partial-stab.h:  Relocate static and global functions.
	* dbxread.c (read_dbx_symtab):  Remove unused variable
	end_of_text_address.  Relocate text_addr when passing it
	to end_psymtab.

	For Alpha OSF/1 targets, enable gdb to set breakpoints in shared
	library functions before the executable is run. Retrieve dynamic
	symbols from stripped executables.
	* mipsread.c (read_alphacoff_dynamic_symtab):  New function.
	* mipsread.c (mipscoff_symfile_read):  Use it. Issue warning message
	if no debugging symbols were found.
	* alpha-tdep.c (alpha_skip_prologue):  Silently return the unaltered
	pc if memory at the pc is not accessible and GDB_TARGET_HAS_SHARED_LIBS
	is defined.
	* config/alpha/nm-alpha.h (GDB_TARGET_HAS_SHARED_LIBS):  Define,
	OSF/1 has shared libraries.
1994-04-08 00:35:15 +00:00
Ian Lance Taylor
192b64e7f9 * dbxread.c (read_dbx_dynamic_symtab): Adjust for recent changes
to BFD handling of dynamic symbols.
1994-04-07 19:13:17 +00:00
Jeff Law
4f91591410 * hppa-tdep.c (hppa_fix_call_dummy): If FUN is a procedure label,
then gets its real address into FUN and its GOT/DP value into %r19.

        * tm-hppa.h (CALL_DUMMY): Use %r20, not %r19 as a temporary.
1994-04-06 00:56:36 +00:00
Jeff Law
7f43b9b70d * hppa-tdep.c (frameless_function_invocation): If no unwind
descriptor was found, then assume this was not a frameless
        function invocation.
        (frame_saved_pc): If the saved PC is in a linker stub, then
        return the return address which the linker stub will return to.
1994-04-06 00:51:50 +00:00
Jeff Law
4556842434 * xm-hppab.h: Never define USG.
* xm-hppah.h: Always define USG.
1994-04-05 22:31:21 +00:00
Per Bothner
b96bc1e41f * values.c (unpack_long, value_from_longest),
valarith.c (value_binop):  Allow TYPE_CODE_RANGE.
1994-04-05 20:10:31 +00:00
Jim Kingdon
d541230260 * symfile.c (deduce_language_from_filename): .cpp is a C++ extension. 1994-04-02 15:40:00 +00:00
Peter Schauer
38b9047360 For SVR4 targets, enable gdb to set breakpoints in shared
library functions before the executable is run.
	* elfread.c (elf_symtab_read):  Handle symbols for shared library
	functions.
	* sparc-tdep.c (in_solib_trampoline):  Renamed to in_plt_section
	and moved to objfiles.c.
	* objfiles.c (in_plt_section):  Moved to here from sparc-tdep.
	* config/tm-sysv4.h (IN_SOLIB_TRAMPOLINE):  Use new in_plt_section.
	* config/sparc/tm-sun4sol2.h (IN_SOLIB_TRAMPOLINE):  Removed,
	the new generic definition from tm-sysv4.h works for Solaris.
1994-04-01 08:50:03 +00:00
Ian Lance Taylor
70f42bae0b * elfread.c (elf_symtab_read): Change storage_needed,
number_of_symbols and i to long.  Rename get_symtab_upper_bound to
	bfd_get_symtab_upper_bound.  Check for errors from
	bfd_get_symtab_upper_bound and bfd_canonicalize_symtab.
	* nlmread.c (nlm_symtab_read): Same changes.
1994-03-30 22:10:18 +00:00
Jim Kingdon
34d265dc08 * xcoffread.c (xcoff_next_symbol_text): New function.
(read_xcoff_symtab): Set next_symbol_text_func to it.
	Move raw_symbol outside of read_xcoff_symtab.
1994-03-30 21:48:14 +00:00
Jim Kingdon
aece310f08 * remote.c (getpkt): Remove unused "out" label. 1994-03-30 19:44:53 +00:00
Jeff Law
bd2f0c8543 * breakpoint.c (print_it_normal): Allow GDB to notify the user
about more than one watchpoint being triggered.
1994-03-30 17:17:01 +00:00
Jim Kingdon
c2216bfd1b * config/m68k/tm-dpx2.h: Include tm-m68k.h not nonexistent tm-68k.h. 1994-03-30 16:25:08 +00:00
Peter Schauer
9e837b37a4 * blockframe.c (find_pc_partial_function): mst_file_text
symbols do not live in the shared library transfer table.
1994-03-30 10:29:36 +00:00
Peter Schauer
db2302cb93 * ch-exp.y (decode_integer_value, match_character_literal,
match_bitstring_literal):  Guard tolower calls with isupper,
	tolower on old BSD systems blindly subtracts a constant.
	* dbxread.c (read_ofile_symtab):  Check for __gnu_compiled_* as
	well when determining the producer of the object file.
	* mdebugread.c (has_opaque_xref):  New function to check for
	cross reference to an opaque aggregate.
	* mdebugread.c (parse_symbol, parse_partial_symbols):  Do not
	enter typedefs to opaque aggregates into the symbol tables.
	* mdebugread.c (parse_external):  Remove skip_procedures argument,
	it has always been 1.  Remove code that handled stProc symbols,
	it was never executed and was wrong, as the index of a
	stProc symbol points to the local symbol table and not to the
	auxiliary symbol info. Update caller.
	* mdebugread.c (parse_partial_symbols):  Do not enter external
	stProc symbols into the partial symbol table, they are already
	entered into the minimal symbol table.
	* config/i386/tm-symmetry.h:  Clean up, it is now only used for Dynix.
	Remove all conditionals and definitions for ptx.
	I386_REGNO_TO_SYMMETRY moved to here from symm-tdep.c.
	Fix addresses of floating point registers in REGISTER_U_ADDR.
	STORE_STRUCT_RETURN now handles cc and gcc conventions.
	FRAME_CHAIN, FRAMELESS_FUNCTION_INVOCATION, FRAME_SAVED_PC,
	IN_SIGTRAMP, SIGCONTEXT_PC_OFFSET defined to make backtracing through
	signal trampoline code work.
	* config/i386/xm-symmetry.h:  Clean up, it is now only used for Dynix.
	Remove all conditionals and definitions for ptx.
	Remove KDB definitions.
	* symm-nat.c (store_inferior_registers):  Fetch registers before
	storing them to obtain valid floating point control registers.
	Store fpu registers.
	* symm-nat.c (print_1167_control_word):  Dynix 3.1.1 defines
	FPA_PCR_CC_C0 and FPA_PCR_CC_C1, avoid duplicate case value.
	* symm-nat.c (fetch_inferior_registers, child_xfer_memory):
	Fix typos.
	* symm-nat.c (child_resume):  Update type of `signal' parameter.
	* symm-tdep.c (I386_REGNO_TO_SYMMETRY):  Moved to tm-symmetry.h.
1994-03-30 09:57:08 +00:00
Jeff Law
19cd0c1f75 * hppa-tdep.c (hppa_fix_call_dummy): Use an alternate method for
calling import stubs for functions in shared libraries.
1994-03-30 07:03:01 +00:00
Per Bothner
58cda66eeb * ch-exp.y: Implement SIZE(mode_name) and SIZE(expression). 1994-03-30 06:59:16 +00:00
Per Bothner
73cd3b4911 * ch-lang.c (chill_is_varying_struct): Magic string is
was "<var_length>" is now "__var_length" (more portable).
1994-03-30 05:23:00 +00:00
Jim Kingdon
0c9935502f * remote.c (getpkt): If we get a timeout, actually retry rather
than just giving up the first time it happens.
	* remote.c: Document sequence numbers.
	(remote_store_registers): Change syntax of 'P' request so that it
	never looks like a sequence number.
1994-03-30 03:50:23 +00:00
Kung Hsu
d80ff70c10 Modified Files:
ChangeLog os9kread.c remote-os9k.c

        * os9kread.c (record_minmal_symbol): add section_offset to
        relocate minimal symbol table.
        * os9kread.c (read_minimal_symbols): ditto.
        * os9kread.c (os9k_symfile_init): increase size of dbg and stb
        file names.
        * os9kread.c (read_os9k_psymtab): if there's no dbg file, just
        return. Also if file addr is 0 leave it 0, not to relocate.
        * remote-os9k.c (_initialize_remote_os9k): add 'set remotexon',
        'set remotexoff' and 'set remotelog' commands.
1994-03-30 00:18:29 +00:00
Jim Kingdon
4aa6fe102d * remote.c (remote_store_registers): Add 'P' request to set an
individual register.
	(remote_write_bytes, remote_read_bytes): Use %lx, not %x, to print
	a target address.
1994-03-29 20:43:48 +00:00
Jim Kingdon
649694ea87 * config/sparc/tm-sparc.h: Define USE_REGISTER_NOT_ARG.
* stabsread (define_symbol): If USE_REGISTER_NOT_ARG, go back to
	combining all 'p' and 'r' pairs into a LOC_REGPARM.
1994-03-26 16:00:02 +00:00
Jim Kingdon
72e35288c7 * command.c (do_setshow_command, case var_string): Never add a
space to the end of the string.
	* NEWS: Document this change.
	* .gdbinit: Add a space to the "set prompt" command.
1994-03-26 15:15:00 +00:00
Jim Kingdon
493424b108 * m3-nat.c, i386m3-nat.c, config/i386/i386m3.mh: Many minor
changes to make it compile (it doesn't link yet).
1994-03-26 04:20:44 +00:00
Jeff Law
de48213858 * hppa-tdep.c (skip_prologue): Do nothing if not at the beginning
of a function.
        (skip_trampoline_code): Rewrite and add support for argument
        relocation stubs stubs, import/export stubs, calls through
        "_sr4export" and cascaded trampolines.
1994-03-26 01:07:36 +00:00
Jim Kingdon
59144a8124 * config/i386/ptx.mh (XDEPFILES): Add coredep.o. Delete infptrace.o.
* symm-nat.c (child_wait, _initialize_symm_nat, kill_inferior):
	Supply alternate version if ATTACH_DETACH is not defined.
	* ptx4-nat.c, config/i386/{nm-ptx4.h, ptx4.mh, ptx.mt, ptx4.mt,
	tm-ptx.h, tm-ptx4.h, xm-ptx.h, xm-ptx4.h}: New files.
	* configure.in: Recognize i[34]86-sequent-sysv4* host.
1994-03-26 00:19:35 +00:00
Jeff Law
fdafbfad9e * hppa-tdep.c (skip_prologue): Return "pc" not zero
if no unwind descriptor is found.
1994-03-25 18:48:24 +00:00
Jeff Law
eb1167c65c * tm-hppa.h (NUM_REGS): Bump to 128 registers.
(REGISTER_NAMES): Add entries for "right-half" of FP registers.
        (REGISTER_RAW_SIZE, MAX_REGISTER_RAW_SIZE): Do not treat FP regs
        differently.  All registers are four bytes.
        (REGISTER_BYTES, REGISTER_BYTE): Simplify now that all registers are
        the same size.
        (REGISTER_VIRTUAL_TYPE): Use builtin_type_float for all FP regs.

        * hppa-tdep.c (pa_print_fp_reg): Update to print even numbered FP
        registers as both single and double values (fetching 2nd 32bit half
        as necessary).  Annotate each register printed with its precision.
1994-03-25 18:21:49 +00:00
Jeff Law
c8f75fe857 * paread.c (read_unwind_info): Fix off-by-one error. 1994-03-25 18:15:10 +00:00
Jim Kingdon
0c1af47ff0 * main.c (complete_command): Deal with it if arg is NULL. 1994-03-25 16:39:05 +00:00
Jim Kingdon
4df6dcd10d * config/mips/tm-mips.h (SETUP_ARBITRARY_FRAME): Revise comment
regarding using the PC--using the PC is necessary and all the
	FIXME comments in the world won't make it go away.
1994-03-25 01:38:24 +00:00
Jim Kingdon
2f3b7d8eb5 * valops.c (value_at, value_at_lazy): Give error if we dereference
a pointer to void.
	* gdbtypes.h: Fix comments regarding TYPE_CODE_VOID.
	* stabsread.c: Use 1, not 0, for TYPE_LENGTH of void types.
1994-03-24 18:32:31 +00:00
Jim Kingdon
553e18620a * stabsread.c (patch_block_stabs): Add comment about what happens
if the definition is in another compilation unit from the stab.
1994-03-24 17:03:23 +00:00