2 Fri Feb 07 09:04:37 1997 Gavin Koch <gavin@cygnus.com>
4 * configure.tgt: added r5900.
7 Mon Feb 10 18:35:55 1997 Mark Alexander <marka@cygnus.com>
9 * mips-tdep.c (non_heuristic_proc_desc): New function.
10 (find_proc_desc): Move non-heuristic proc search code into separate
12 (gdb_print_insn_mips): Use non-heuristic method to find procedure
13 descriptor, to avoid prologue examination when disassembling.
14 * remote-mips.c: Add support for new "lsi" target (LSI MiniRISC
15 aka MicroMeteor board).
16 (mips_exit_debug): Prevent protocol reinitialization if an error
17 occurs while exiting debug mode.
19 Mon Feb 10 16:11:57 1997 Jeffrey A Law (law@cygnus.com)
21 * mn10200-tdep.c: Remove lots of debugging printfs, update/improve
22 comments, formatting, etc. Plus other minor fixes for problems
23 I found during my first pass over the mn10200 port.
24 (mn10200_analyze_prologue): New function.
25 (mn10200_frame_chain, mn10200_init_extra_frame_info): Use it.
26 * config/mn10200/tm-mn10200.h: Lots of updates/improvements to
27 comments, formatting, etc. Minor fixes for problems I found during
28 my first pass over the mn10200 port.
29 (TARGET_*_BIT): Define appropriately for ints, long longs, doubles and
31 (REGISTER_VIRTUAL_TYPE): Define as a long.
32 (EXTRACT_RETURN_VALUE): Rework to deal with long ints living
34 (STORE_RETURN_VALUE): Similarly.
36 * blockframe.c (generic_get_saved_regs): Remove unused variable
38 * breakpoint.c (frame_in_dummy): Move struct breakpoint *b decl
39 inside #ifdef CALL_DUMMY.
40 (watch_command_1): Initialize target_resources_ok.
41 * command.c (do_setshow_command): Provide dummy initialization
43 * valops.c (find_function_addr): Move function & prototype inside
45 (value_arg_coerce): Similarly.
46 (value_of_variable): Provide dummy initialization of "frame".
48 Mon Feb 10 13:50:53 1997 Stu Grossman (grossman@critters.cygnus.com)
50 * gdbtk.c (call_wrapper): Clear running_now if an error occurs.
51 This fixes PR 11323, where gdbtk stops responding if an error occurs.
53 Mon Feb 10 07:54:26 1997 Fred Fish <fnf@cygnus.com>
55 * xcoffread.c (RECORD_MINIMAL_SYMBOL): Add NULL asection* parameter
56 to prim_record_minimal_symbol_and_info call that was missed in Jan 3
58 (scan_xcoff_symtab): Ditto.
60 Sun Feb 09 09:23:26 1997 Mark Alexander <marka@cygnus.com>
62 * remote-mips.c (common_breakpoint): Prevent 64-bit addresses
63 from being sent to 32-bit targets by masking off upper bits.
64 * mips-tdep.c (heuristic_proc_start): Mask off upper 32 bits
65 of PC on 32-bit targets.
66 (mips16_heuristic_proc_desc): Recognize 'addiu s1,sp,n' as a
67 frame setup instruction.
68 (mips32_heuristic_proc_desc): Fix warning found by gcc -Wall.
69 (mips16_skip_prologue): Recognize 'addiu s1,sp,n' as a valid
70 prologue instruction. Fix warnings and bugs found by gcc -Wall.
71 * buildsym.c (finish_block): Improve handling of overlapping blocks;
72 fixes problem on MIPS16 printing function arguments.
74 Sat Feb 8 01:14:43 1997 Peter Schauer (pes@regent.e-technik.tu-muenchen.de)
76 * dwarf2read.c (dwarf2_linkage_name): New function to get
77 the linkage name of a die from DW_AT_MIPS_linkage_name or
79 (read_func_scope, dwarf2_add_field, dwarf2_add_member_fn,
80 new_symbol): Use it instead of accessing DW_AT_name.
81 (read_partial_die): Use DW_AT_MIPS_linkage name as name of the
82 partial die if present.
83 (dwarf2_add_member_fn): Make a copy of physname on the type obstack.
85 Fri Feb 7 10:06:22 1997 Jeffrey A Law (law@cygnus.com)
87 * blockframe.c (generic_frame_chain_valid): If the new frame
88 is not INNER_THAN the old frame, then it's not valid.
90 Tue Feb 04 09:04:37 1997 Mark Alexander <marka@cygnus.com>
92 * mips-tdep.c (mips16_get_imm): Fix calculation of extended immediate.
93 (mips16_heuristic_proc_desc): Recognize jal(x) instruction.
95 Mon Feb 03 17:57:58 1997 Mark Alexander <marka@cygnus.com>
97 * mips-tdep.c (mips16_decode_reg_save): Distinguish between
98 sd and sw instructions correctly.
99 (heuristic_proc_start): Add support for MIPS16.
100 (mips16_get_imm, mips16_heuristic_proc_desc,
101 mips32_heuristic_proc_desc): New helper functions for
103 (heuristic_proc_desc): Rewrite and reorganize to support MIPS16.
104 (mips_push_arguments): Don't align small arguments in EABI.
105 (mips32_skip_prologue): Attempt to shrink code size a little.
108 Mon Feb 3 11:06:05 1997 Michael Snyder <msnyder@cleaver.cygnus.com>
110 * m32r-stub.c: New -- remote protocol support for M32R cpu.
111 * m32r-rom.c: Several experiments with improved download time.
112 * .Sanitize: Add entry for m32r-stub.c
115 Fri Jan 31 08:26:39 1997 Mark Alexander <marka@cygnus.com>
117 * mips-tdep.c (MIPS16_INSTLEN): Define.
118 (mips_find_saved_regs): Replace hardcoded 2's with MIPS16_INSTLEN.
119 (heuristic_proc_start): Recognize 'entry' pseudo-op as a start
120 of function on MIPS16.
121 (mips32_skip_prologue, mips16_skip_prologue): New helper functions
122 for mips_skip_prologue.
123 (mips_skip_prologue): Recognize both 16- and 32-bit prologues.
125 Wed Jan 29 12:45:54 1997 Michael Meissner <meissner@tiktok.cygnus.com>
127 * config/powerpc/ppc{,le}-sim.mt (SIM): Remove the library
128 ../sim/common/libcommon.a.
130 Tue Jan 28 15:54:13 1997 Michael Snyder <msnyder@cleaver.cygnus.com>
132 * blockframe.c: fix a null pointer ref in generic_get_saved_register
134 Tue Jan 28 15:39:50 1997 Geoffrey Noer <noer@cygnus.com>
136 * mn10200-tdep.c (mn10200_frame_chain): Get basic backtracing
139 Mon Jan 27 14:31:52 1997 Mark Alexander <marka@cygnus.com>
141 First set of changes for mips16:
142 * config/mips/tm-mips.h (MIPS16_BIG_BREAKPOINT,
143 MIPS16_LITTLE_BREAKPOINT, BREAKPOINT_FROM_PC): Define.
144 (ABOUT_TO_RETURN): Call new function mips_about_to_return.
145 (mips_breakpoint_from_pc, mips_about_to_return): Declare.
146 * mem-break.c (memory_breakpoint_from_pc): New function.
147 (memory_insert_breakpoint, memory_remove_breakpoint): Use
148 memory_breakpoint_from_pc to determine breakpoint contents and size.
149 * target.h (memory_breakpoint_from_pc): Declare.
150 * monitor.c (monitor_insert_breakpoint): Use memory_breakpoint_from_pc
151 to determine size of breakpoint instruction.
152 * mips-tdep.c (mips32_decode_reg_save, mips16_decode_reg_save):
153 New helper functions for mips_find_saved_regs.
154 (mips_find_saved_regs): Recognize mips16 prologues.
155 (mips_addr_bits_remove): Strip off upper 32 bits of address
156 when target CPU is 32 bits but CORE_ADDR is 64 bits.
157 (mips_step_skips_delay): No branch delay slot on mips16.
158 (gdb_print_insn_mips): Disassemble mips16 code.
159 (mips_breakpoint_from_pc, mips_about_to_return): New functions.
161 Mon Jan 27 10:34:03 1997 Jeffrey A Law (law@cygnus.com)
163 * tm-mn10200.h (NUM_REGS): Decrease to 12.
164 (REGISTER_NAMES): Elimination registers not found on the mn10200.
165 (PC_REGNUM, MDR_REGNUM, PSW_REGNUM): Corresponding changes.
166 (LIR_REGNUM, LAR_REGNUM): Delete. They don't exist on the mn10200.
168 Sat Jan 25 00:07:59 1997 Peter Schauer (pes@regent.e-technik.tu-muenchen.de)
170 * dwarf2read.c: Replace integral tag, name and form fields in
171 internal structure definitions with the corresponding enumeration
172 types from dwarf2.h. Add default cases to switches on enumerations
174 Make quoting of string arguments in complaint messages consistent.
175 Check for NULL returns from DW_STRING.
176 (struct partial_die_info): Add sibling and has_type fields, remove
178 (DW_*): Move access macro definitions near the definition of the
180 (struct field_info): New structure to pass information about fields
181 and member functions between die processing routines.
182 (dwarf2_build_psymtabs_hard): Set cu_header_offset.
183 (scan_partial_symbols): Do not enter DW_TAG_subprogram dies into
184 the partial symbol table if the DW_AT_*_pc attributes are missing.
185 Add file scope base type definitions to the partial symbol table.
186 Skip over child dies if the die has a sibling attribute.
187 (add_partial_symbol): Enter global variables with type attributes
188 and without location descriptors into the partial symbol table.
189 Store value of DW_TAG_variable dies in the partial symbol table.
190 Do not enter global variables into the minimal symbol table.
191 Add base type definitions to the partial symbol table.
192 (psymtab_to_symtab_1): Use dwarf2_get_pc_bounds to determine highpc.
193 (process_die): Move check for DW_AT_low_pc to read_func_scope.
194 Add a typedef symbol for base type definitions to the symbol table.
195 Ignore DW_TAG_inlined_subroutine tags for now.
196 (read_file_scope): Use dwarf2_get_pc_bounds to determine pc bounds.
197 (read_func_scope, read_lexical_block_scope): Use dwarf2_get_pc_bounds
198 to determine pc bounds, ignore dies with invalid bounds.
199 (dwarf2_get_pc_bounds): New routine to extract and validate the
200 DW_AT_*_pc attributes of a die.
201 (dwarf2_add_field, dwarf2_attach_fields_to_type, skip_member_fn_name,
202 dwarf2_add_member_fn, dwarf2_attach_fn_fields_to_type):
203 New functions to handle fields and member functions.
204 (read_structure_scope): Rewritten to use them.
205 (read_array_type): Renamed from dwarf_read_array_type.
206 Default upper array bound to describe an array with unspecified
208 Create array types in backwards order, as dwarf2 puts out the array
209 dimensions from left to right.
210 (read_subroutine_type): Handle DW_TAG_unspecified_parameters,
211 DW_AT_artificial and DW_AT_prototyped.
212 (read_base_type): Make an unsigned type for DW_ATE_boolean.
213 Pass objfile to dwarf_base_type.
214 (read_partial_die): Use read_attribute to read in the attributes.
215 Handle DW_AT_sibling and DW_AT_type.
216 Follow references when determining DW_AT_name and DW_AT_external
217 attributes of the die.
218 Validate DW_AT_*_pc attributes.
219 (read_full_die): Use read_attribute to read in the attributes.
220 (read_attribute): New function to read an attribute described
221 by an abbreviated attribute.
222 (new_symbol): Relocate symbol value for DW_TAG_label with baseaddr.
223 Do not set SYMBOL_VALUE_ADDRESS for DW_TAG_subprogram,
224 SYMBOL_BLOCK_VALUE for the symbol will be set later by finish_block.
225 Change symbol class for global variables with a zero valued location
226 descriptor to LOC_UNRESOLVED.
227 Handle DW_AT_const_value attributes for DW_TAG_variable,
228 DW_TAG_formal_parameter and DW_TAG_enumerator.
229 Build a typedef symbol for DW_TAG_base_type.
230 (dwarf2_const_value): New routine to copy a constant value from an
231 attribute to a symbol.
232 (dwarf_base_type): Use passed in objfile, not current_objfile
233 when calling dwarf2_fundamental_type.
234 (dump_die): Use DW_* accessor macros to access values of attributes.
235 (decode_locdesc): Handle DW_OP_plus_uconst.
237 Wed Jan 22 01:31:16 1997 Geoffrey Noer <noer@cygnus.com>
239 * mn10200-tdep.c: New file.
240 * config/mn10200/tm-mn10200.h: New, REGISTER_SIZE is 24 bits not 32,
241 SP_REGNUM and FP_REGNUM are different, also no lar or lir.
242 * config/mn10200/mn10200.mt: New file.
243 * configure.tgt: add mn10200 entry.
245 Tue Jan 21 18:32:23 1997 Stu Grossman (grossman@lisa.cygnus.com)
247 * configure.in configure: Check if host has libdl if doing
250 Tue Jan 21 17:03:26 1997 Geoffrey Noer <noer@cygnus.com>
252 * mn10300-tdep.c: Wrote/fixed implementations of
253 mn10300_frame_chain, mn10300_init_extra_frame_info,
254 mn10300_frame_saved_pc
255 * config/mn10300/tm-mn10300.h: Redefine INIT_EXTRA_FRAME_INFO
256 and INIT_FRAME_PC macros.
258 Tue Jan 21 17:01:20 1997 Stu Grossman (grossman@lisa.cygnus.com)
260 * configure.in configure: Check if host has libm. Make sure we
261 are using gcc when using the -export-dynamic option. Fixes a
262 problem with building under Solaris/SunPro cc.
264 Mon Jan 20 13:52:13 1997 Mark Alexander <marka@cygnus.com>
266 * config/mips/{embed,embed64,embedl,embedl64}.mt:
267 Link in simulator on MIPS embedded targets.
269 Sat Jan 18 02:31:29 1997 Peter Schauer (pes@regent.e-technik.tu-muenchen.de)
271 * blockframe.c (frameless_look_for_prologue): Mark frames
272 with a zero PC as frameless to improve backtraces from core dumps
273 caused by dereferencing a NULL function pointer.
275 Thu Jan 16 14:10:41 1997 Geoffrey Noer <noer@cygnus.com>
277 * config/mn10300/tm-mn10300.h: fix BREAKPOINT definition.
279 Tue Jan 14 16:01:06 1997 Geoffrey Noer <noer@cygnus.com>
281 * mn10300-tdep.c: made a lot more generic, ripping out code
282 from copied target (no more mn10300_scan_prologue,
283 init_extra_frame_info, and mn10300_fix_call_dummy calls)
284 * config/mn10300/tm-mn10300.h: undefine INIT_EXTRA_FRAME_INFO
285 and INIT_FRAME_PC macros
287 Thu Jan 9 11:44:40 1997 Michael Snyder <msnyder@cleaver.cygnus.com>
289 * sparc-tdep.c (sparc_frame_find_saved_regs): Don't use
290 FP_REGISTER_BYTES to compute offsets into the saved frame,
291 since it fails for SPARC targets configured without any
292 FP regs. Instead, use DUMMY_STACK_REG_BUF_SIZE.
294 Mon Jan 6 11:15:14 1997 Stu Grossman (grossman@critters.cygnus.com)
296 * symtab.c (fixup_symbol_section): Handle NULL symbols without
299 Fri Jan 3 12:08:16 1997 Stu Grossman (grossman@critters.cygnus.com)
301 * Makefile.in configure configure.in: Remove ENABLE_CLIBS,
302 ENABLE_OBS, and THREAD_DB_OBS. These are consolidated into LIBS
304 * configure configure.in: Clean up test cases around thread support.
306 * configure.tgt (v850-*-*): Include v850ice.o and v850.lib if
309 * c-valprint.c ch-valprint.c cp-valprint.c eval.c expprint.c
310 printcmd.c valops.c value.h values.c: Add bfd_section arg to
311 value_at and value_at_lazy.
312 * coffread.c dbxread.c elfread.c mdebugread.c minsyms.c symtab.h:
313 Add bfd_section arg to prim_record_minimal_symbol_and_info.
314 * corefile.c gdbcore.h printcmd.c valops.c: Use read_memory_section
315 instead of read_memory. It takes a bfd_section arg.
316 * coffread.c dbxread.c elfread.c gdb-stabs.h objfiles.h: Remove
317 unnecessary cast for assignment of struct dbx_symfile_info.
318 Struct objfile now uses a real pointer instead of PTR for this
320 * dbxread.c (dbx_symfile_init): Stash bfd section pointers for
321 text, data and bss into dbx_symfile_info.
322 * exec.c (xfer_memory): Handle transfers for user-specified
324 * findvar.c (read_var_value locate_var_value): Copy bfd section
325 from the symbol to the value.
326 * gdb-stabs.h: Add section pointers for text, data and bss
328 * maint.c (translate address command): Add test code for overlay
330 * printcmd.c (do_examine do_one_display): Now takes a bfd section
332 * (print_formatted x_command): Record current section along with
333 current address for repeated commands.
334 * sparc-nat.c (fetch_inferior_registers): Change
335 target_xfer_memory to target_{read write}_memory to allow changes
336 to target_xfer_memory interface for section info.
337 * symmisc.c (dump_msymbols print_symbol): Print section
338 assocaited with symbol.
339 * symtab.c (fixup_symbol_section): New routine to
340 add section info to symbols returned by lookup_symbol.
341 * symtab.h (struct general_symbol_info): Add bfd section to
343 * target.c target.h (target_xfer_memory): Add bfd section to
345 * (target_read_memory_section): New routine to read data from a
347 * (target_memory_bfd_section): New global variable to pass bfd
348 section in to targets.
349 * valarith.c (value_add value_addr value_array): Preserve bfd
350 section when computing new value.
351 * value.h (struct value): Add bfd section to values.
352 * values.c (allocate_value value_copy): Initialize/preserve bfd
354 * (unpack_double): Clean up _MSC_VER conditionals to remove
357 * v850ice.c: New module to support communication with NEC's
359 * config/v850/tm-v850.h (REGISTER_NAMES): Replace sp, gp, fp, and
360 ep names with rxx names. sp and fp are renamed via a different
364 Fri Jan 3 14:20:05 1997 Geoffrey Noer <noer@cygnus.com>
366 * mn10300-tdep.c (mn10300_push_arguments): rewrote,
367 also removed code elsewhere that made use of RP_REGNUM.
368 * config/mn10300/tm-mn10300.h: ripped out RP_REGNUM, V0_REGNUM,
369 ARG0_REGNUM, ARGLAST_REGNUM (all not appropriate for mn10300
370 arch.), redefined SAVED_PC_AFTER_CALL, EXTRACT_RETURN_VALUE,
371 EXTRACT_STRUCT_VALUE_ADDRESS, STORE_RETURN_VALUE.
373 For older changes see ChangeLog-96
379 version-control: never