with 0 length. A sticky tag caused this fix from
revision 2.32 date: 1996/04/29 23:25:27; author: dawn;
state: Exp; lines: +1 -0 branches: 2.32.34;
to not make it into devo.
Add prototypes for make_final_cleanup (and the other cleanup
routines.
* remote-e7000.c: Fix sync code to timeout if unable to sync.
Change sync code to report status while trying to sync-up
with hardware. Add debugging output and document.
* ser-e7kpc.c: Swap order of len & offset to match implementation.
Add debugging output and document.
* serial.c: Add debugging output.
* top.c: Add call to do_final_cleanups.
Remove conditionals preventing Win32 from getting SIGQUIT.
* utils.c: (*_cleanup): Modify cleanup routines to accept a cleanup
chain as a parameter. Extract this generic code from the cleanup
routines into separate funtions (*_my_cleanup). Keep old
functionality by passing "cleanup_chain" to the new funtions.
Define the cleanup chain "final_cleanup_chain" to be a cleanup
chain which will be executed only when gdb exits. Add functions
(*_final_cleanup) to match the original (*_cleanup) functions.
(pollquit, quit, notice_quit): Fix to read cntl-C from the
Windows message queue.
be two byte aligned. Round argument sizes up to two byte boundary.
Write out args in two byte hunks.
(mn10200_push_return_address): Implement.
* config/mn10200/tm-mn10200.h (EXTRACT_RETURN_VALUE): Abort for
structures > 8 bytes (temporary).
(STORE_RETURN_VALUE): Likewise.
(CALL_DUMMY): No longer undefine.
(USE_STRUCT_CONVENTION): Use for args > 8 bytes.
(REG_STRUCT_HAS_ADDR): Define.
Inferior function calls for the mn10200.
(find_proc_desc): Move non-heuristic proc search code into separate
function.
(gdb_print_insn_mips): Use non-heuristic method to find procedure
descriptor, to avoid prologue examination when disassembling.
* remote-mips.c: Add support for new "lsi" target (LSI MiniRISC
aka MicroMeteor board).
(mips_exit_debug): Prevent protocol reinitialization if an error
occurs while exiting debug mode.
comments, formatting, etc. Plus other minor fixes for problems
I found during my first pass over the mn10200 port.
(mn10200_analyze_prologue): New function.
(mn10200_frame_chain, mn10200_init_extra_frame_info): Use it.
* config/mn10200/tm-mn10200.h: Lots of updates/improvements to
comments, formatting, etc. Minor fixes for problems I found during
my first pass over the mn10200 port.
(TARGET_*_BIT): Define appropriately for ints, long longs, doubles and
pointers.
(REGISTER_VIRTUAL_TYPE): Define as a long.
(EXTRACT_RETURN_VALUE): Rework to deal with long ints living
in register pairs.
(STORE_RETURN_VALUE): Similarly.
Checking in my initial changes, prologue scanning, etc.
Current gdb testsuite results:
=== gdb Summary ===
# of expected passes 3684
# of expected failures 40
# of unexpected failures 6
from being sent to 32-bit targets by masking off upper bits.
* mips-tdep.c (heuristic_proc_start): Mask off upper 32 bits
of PC on 32-bit targets.
(mips16_heuristic_proc_desc): Recognize 'addiu s1,sp,n' as a
frame setup instruction.
(mips32_heuristic_proc_desc): Fix warning found by gcc -Wall.
(mips16_skip_prologue): Recognize 'addiu s1,sp,n' as a valid
prologue instruction. Fix warnings and bugs found by gcc -Wall.
* buildsym.c (finish_block): Improve handling of overlapping blocks;
fixes problem on MIPS16 printing function arguments.
the linkage name of a die from DW_AT_MIPS_linkage_name or
DW_AT_name.
(read_func_scope, dwarf2_add_field, dwarf2_add_member_fn,
new_symbol): Use it instead of accessing DW_AT_name.
(read_partial_die): Use DW_AT_MIPS_linkage name as name of the
partial die if present.
(dwarf2_add_member_fn): Make a copy of physname on the type obstack.
sd and sw instructions correctly.
(heuristic_proc_start): Add support for MIPS16.
(mips16_get_imm, mips16_heuristic_proc_desc,
mips32_heuristic_proc_desc): New helper functions for
heuristic_proc_desc.
(heuristic_proc_desc): Rewrite and reorganize to support MIPS16.
(mips_push_arguments): Don't align small arguments in EABI.
(mips32_skip_prologue): Attempt to shrink code size a little.
* m32r-stub.c: New -- remote protocol support for M32R cpu.
* m32r-rom.c: Several experiments with improved download time.
* .Sanitize: Add entry for m32r-stub.c
(mips_find_saved_regs): Replace hardcoded 2's with MIPS16_INSTLEN.
(heuristic_proc_start): Recognize 'entry' pseudo-op as a start
of function on MIPS16.
(mips32_skip_prologue, mips16_skip_prologue): New helper functions
for mips_skip_prologue.
(mips_skip_prologue): Recognize both 16- and 32-bit prologues.
* config/mips/tm-mips.h (MIPS16_BIG_BREAKPOINT,
MIPS16_LITTLE_BREAKPOINT, BREAKPOINT_FROM_PC): Define.
(ABOUT_TO_RETURN): Call new function mips_about_to_return.
(mips_breakpoint_from_pc, mips_about_to_return): Declare.
* mem-break.c (memory_breakpoint_from_pc): New function.
(memory_insert_breakpoint, memory_remove_breakpoint): Use
memory_breakpoint_from_pc to determine breakpoint contents and size.
* target.h (memory_breakpoint_from_pc): Declare.
* monitor.c (monitor_insert_breakpoint): Use memory_breakpoint_from_pc
to determine size of breakpoint instruction.
* mips-tdep.c (mips32_decode_reg_save, mips16_decode_reg_save):
New helper functions for mips_find_saved_regs.
(mips_find_saved_regs): Recognize mips16 prologues.
(mips_addr_bits_remove): Strip off upper 32 bits of address
when target CPU is 32 bits but CORE_ADDR is 64 bits.
(mips_step_skips_delay): No branch delay slot on mips16.
(gdb_print_insn_mips): Disassemble mips16 code.
(mips_breakpoint_from_pc, mips_about_to_return): New functions.
(REGISTER_NAMES): Elimination registers not found on the mn10200.
(PC_REGNUM, MDR_REGNUM, PSW_REGNUM): Corresponding changes.
(LIR_REGNUM, LAR_REGNUM): Delete. They don't exist on the mn10200.
internal structure definitions with the corresponding enumeration
types from dwarf2.h. Add default cases to switches on enumerations
where appropriate.
Make quoting of string arguments in complaint messages consistent.
Check for NULL returns from DW_STRING.
(struct partial_die_info): Add sibling and has_type fields, remove
unused value field.
(DW_*): Move access macro definitions near the definition of the
attribute structure.
(struct field_info): New structure to pass information about fields
and member functions between die processing routines.
(dwarf2_build_psymtabs_hard): Set cu_header_offset.
(scan_partial_symbols): Do not enter DW_TAG_subprogram dies into
the partial symbol table if the DW_AT_*_pc attributes are missing.
Add file scope base type definitions to the partial symbol table.
Skip over child dies if the die has a sibling attribute.
(add_partial_symbol): Enter global variables with type attributes
and without location descriptors into the partial symbol table.
Store value of DW_TAG_variable dies in the partial symbol table.
Do not enter global variables into the minimal symbol table.
Add base type definitions to the partial symbol table.
(psymtab_to_symtab_1): Use dwarf2_get_pc_bounds to determine highpc.
(process_die): Move check for DW_AT_low_pc to read_func_scope.
Add a typedef symbol for base type definitions to the symbol table.
Ignore DW_TAG_inlined_subroutine tags for now.
(read_file_scope): Use dwarf2_get_pc_bounds to determine pc bounds.
(read_func_scope, read_lexical_block_scope): Use dwarf2_get_pc_bounds
to determine pc bounds, ignore dies with invalid bounds.
(dwarf2_get_pc_bounds): New routine to extract and validate the
DW_AT_*_pc attributes of a die.
(dwarf2_add_field, dwarf2_attach_fields_to_type, skip_member_fn_name,
dwarf2_add_member_fn, dwarf2_attach_fn_fields_to_type):
New functions to handle fields and member functions.
(read_structure_scope): Rewritten to use them.
(read_array_type): Renamed from dwarf_read_array_type.
Default upper array bound to describe an array with unspecified
length.
Create array types in backwards order, as dwarf2 puts out the array
dimensions from left to right.
(read_subroutine_type): Handle DW_TAG_unspecified_parameters,
DW_AT_artificial and DW_AT_prototyped.
(read_base_type): Make an unsigned type for DW_ATE_boolean.
Pass objfile to dwarf_base_type.
(read_partial_die): Use read_attribute to read in the attributes.
Handle DW_AT_sibling and DW_AT_type.
Follow references when determining DW_AT_name and DW_AT_external
attributes of the die.
Validate DW_AT_*_pc attributes.
(read_full_die): Use read_attribute to read in the attributes.
(read_attribute): New function to read an attribute described
by an abbreviated attribute.
(new_symbol): Relocate symbol value for DW_TAG_label with baseaddr.
Do not set SYMBOL_VALUE_ADDRESS for DW_TAG_subprogram,
SYMBOL_BLOCK_VALUE for the symbol will be set later by finish_block.
Change symbol class for global variables with a zero valued location
descriptor to LOC_UNRESOLVED.
Handle DW_AT_const_value attributes for DW_TAG_variable,
DW_TAG_formal_parameter and DW_TAG_enumerator.
Build a typedef symbol for DW_TAG_base_type.
(dwarf2_const_value): New routine to copy a constant value from an
attribute to a symbol.
(dwarf_base_type): Use passed in objfile, not current_objfile
when calling dwarf2_fundamental_type.
(dump_die): Use DW_* accessor macros to access values of attributes.
(decode_locdesc): Handle DW_OP_plus_uconst.
Start mn10200 gdb port by adding copies of mn10300
target-specific files with all instances of mn10300 changed
to mn10200 to start with.
* mn10200-tdep.c: new
* config/mn10200/tm-mn10200.h: new, REGISTER_SIZE is 24 bits not 32,
SP_REGNUM and FP_REGNUM are different, also no lar or lir.
* config/mn10200/mn10200.mt: new
* configure.tgt: add mn10200 entry
Start mn10200 gdb port by adding copies of mn10300
target-specific files with all instances of mn10300 changed
to mn10200 to start with.
* mn10200-tdep.c: new
* config/mn10200/tm-mn10200.h: new, REGISTER_SIZE is 24 bits not 32,
SP_REGNUM and FP_REGNUM are different, also no lar or lir.
* config/mn10200/mn10200.mt: new
* mn10300-tdep.c: wrote/fixed implementations of
mn10300_frame_chain, mn10300_init_extra_frame_info,
mn10300_frame_saved_pc
* config/mn10300/tm-mn10300.h: redefine INIT_EXTRA_FRAME_INFO
and INIT_FRAME_PC macros
Backtracing starting to work correctly.
FP_REGISTER_BYTES to compute offsets into the saved frame,
since it fails for SPARC targets configured without any
FP regs. Instead, use DUMMY_STACK_REG_BUF_SIZE.
--------------------------------------------------------------------
ENABLE_OBS, and THREAD_DB_OBS. These are consolidated into LIBS
and CONFIG_OBS.
* configure configure.in: Clean up test cases around thread support.
start-sanitize-v850
* configure.tgt (v850-*-*): Include v850ice.o and v850.lib if
host is Windows.
end-sanitize-v850
* c-valprint.c ch-valprint.c cp-valprint.c eval.c expprint.c
printcmd.c valops.c value.h values.c: Add bfd_section arg to
value_at and value_at_lazy.
* coffread.c dbxread.c elfread.c mdebugread.c minsyms.c symtab.h:
Add bfd_section arg to prim_record_minimal_symbol_and_info.
* corefile.c gdbcore.h printcmd.c valops.c: Use read_memory_section
instead of read_memory. It takes a bfd_section arg.
* coffread.c dbxread.c elfread.c gdb-stabs.h objfiles.h: Remove
unnecessary cast for assignment of struct dbx_symfile_info.
Struct objfile now uses a real pointer instead of PTR for this
element.
* dbxread.c (dbx_symfile_init): Stash bfd section pointers for
text, data and bss into dbx_symfile_info.
* exec.c (xfer_memory): Handle transfers for user-specified
sections.
* findvar.c (read_var_value locate_var_value): Copy bfd section
from the symbol to the value.
* gdb-stabs.h: Add section pointers for text, data and bss
sections.
* maint.c (translate address command): Add test code for overlay
address translation.
* printcmd.c (do_examine do_one_display): Now takes a bfd section
arg.
* (print_formatted x_command): Record current section along with
current address for repeated commands.
* sparc-nat.c (fetch_inferior_registers): Change
target_xfer_memory to target_{read write}_memory to allow changes
to target_xfer_memory interface for section info.
* symmisc.c (dump_msymbols print_symbol): Print section
assocaited with symbol.
* symtab.c (fixup_symbol_section): New routine to
add section info to symbols returned by lookup_symbol.
* symtab.h (struct general_symbol_info): Add bfd section to
symbols.
* target.c target.h (target_xfer_memory): Add bfd section to
args.
* (target_read_memory_section): New routine to read data from a
specific section.
* (target_memory_bfd_section): New global variable to pass bfd
section in to targets.
* valarith.c (value_add value_addr value_array): Preserve bfd
section when computing new value.
* value.h (struct value): Add bfd section to values.
* values.c (allocate_value value_copy): Initialize/preserve bfd
section.
* (unpack_double): Clean up _MSC_VER conditionals to remove
duplicate code.
start-sanitize-v850
* v850ice.c: New module to support communication with NEC's
PC-based ICE.
* config/v850/tm-v850.h (REGISTER_NAMES): Replace sp, gp, fp, and
ep names with rxx names. sp and fp are renamed via a different
mechanism.
end-sanitize-v850
* mn10300-tdep.c (mn10300_push_arguments): rewrote
also removed code elsewhere that made use of RP_REGNUM
* config/mn10300/tm-mn10300.h: ripped out RP_REGNUM, V0_REGNUM,
ARG0_REGNUM, ARGLAST_REGNUM (all not appropriate for mn10300
arch.), redefined SAVED_PC_AFTER_CALL, EXTRACT_RETURN_VALUE,
EXTRACT_STRUCT_VALUE_ADDRESS, STORE_RETURN_VALUE
and SIGQUIT values; it messed up non-MIPS targets.
* config/mips/tm-mips.h: Undefine BREAKPOINT, replace
with separate LITTLE_BREAKPOINT and BIG_BREAKPOINT definitions;
this fixes problem with setting breakpoints in little-endian
programs in the simulator.
