+Mon Aug 23 10:16:32 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa64solib.c: Fix some minor whitespace problems.
+ (bfd_lookup_symbol): New function.
+ (pa64_solib_create_inferior_hook): Find the address __dld_break
+ in the dynamic linker. Try to set a shlib event breakpoint in
+ that function.
+ (add_to_solist): Do not add the same shared library to the shlib
+ list more than once.
+
+Sun Aug 22 14:49:40 1999 Andrew Cagney <cagney@b1.cygnus.com>
+
+ * value.h (enum lval_type): Move declaration from here.
+ * defs.h (enum lval_type): To here.
+ * frame.h, gdbarch.h: Delete incomplete declaration of ``enum
+ lval_type''.
+
+1999-08-20 Michael Snyder <msnyder@cleaver.cygnus.com>
+
+ * breakpoint.c (can_use_hardware_watchpoint): reject expressions
+ that refer to registers or register variables.
+
+Fri Aug 20 10:53:38 1999 Jeffrey A Law (law@cygnus.com)
+
+ * hppa-tdep.c (hppa_fix_call_dummy): Provide PA2.0W aware code.
+
+ * pa64solib.c pa64solib.h: New files.
+
+ * config/pa/hppa64.mt: Delete commented out code that is and
+ never will be appropriate for this target.
+ * config/pa/hpux11w.mt (TDEPFILES): Remove SOM references. Also
+ remove pa64solib.o.
+ * config/pa/hpux11w.mh (NATDEPFILES): Remove SOM references.
+
+ * configure.host; Use "hpux11w" and "hpux11" instead of
+ "hpux1100w" and "hpux1100" respectively
+ * config/pa/hpux11w.mh: Renamed from hpux1100w.mh.
+ * config/pa/hpux11w.mt, config/pa/hpux11.mh: Likewise.
+ * config/pa/hpux11.mt: Likewise.
+
+1999-08-19 Michael Snyder <msnyder@cleaver.cygnus.com>
+
+ * breakpoint.h (target_hw_bp_type): new enum.
+ * breakpoint.c (insert_breakpoints): use enum instead of consts.
+ (remove_breakpoint): use enum instead of consts.
+ [Also clean up a bunch of excessively long lines.]
+
+1999-08-19 J.T. Conklin <jtc@redback.com>
+
+ * i386-stub.c (waitabit): Removed.
+ (breakpoint): Update.
+
+ * i386-stub.c, m32r-stub.c, sparc-stub.c, sparcl-stub.c,
+ sparclet-stub.c (set_debug_traps): Don't send gratuitous ACK.
+
+ * m68k-stub.c (putpacket): Restore code so that packets are sent
+ until an ACK is received.
+
+1999-08-19 Eli Zaretskii <eliz@is.elta.co.il>
+
+ * breakpoint.c (bpstat_stop_status): Accept triggered addresses
+ anywhere inside the region occupied by a watched variable as a
+ sign that the watchpoint fired. Don't stop if some watchpoint
+ was triggered, but its address doesn't match the address of this
+ watchpoint.
+ (TARGET_REGION_OK_FOR_HW_WATCHPOINT): New macro.
+ Default definition is to call TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT.
+ (can_use_hardware_watchpoint): Call TARGET_REGION_OK_FOR_HW_WATCHPOINT;
+ if it returns zero, return zero immediately.
+ (insert_breakpoints): Try to insert watchpoints for all the values
+ on the value chain, even if some of them fail to insert. Remove
+ the breakpoint if parts of its value chain couldn't be inserted.
+
+1999-08-19 Eli Zaretskii <eliz@is.elta.co.il>
+
+ * go32-nat.c (go32_stopped_by_watchpoint): Remove unused code.
+
+1999-08-19 Eli Zaretskii <eliz@is.elta.co.il>
+
+ * go32-nat.c (tcgetpgrp, tcsetpgrp): New functions.
+
+1999-08-19 Eli Zaretskii <eliz@is.elta.co.il>
+
+ * go32-nat.c (go32_wait): If we are in a single-step mode, and the
+ next instruction is INT nn or INTO, use a temporary breakpoint to
+ simulate single-step mode, and reset the trace flag.
+
+1999-08-19 Eli Zaretskii <eliz@is.elta.co.il>
+
+ * go32-nat.c (wp_op): New typedef.
+ (SHOW_DR): Print the length of watched region as well.
+ (go32_insert_aligned_watchpoint): Remove unused argument PID. All
+ callers and the prototype changed.
+ (go32_handle_nonaligned_watchpoint): Renamed from
+ go32_insert_nonaligned_watchpoint. Now handles all operations on
+ non-aligned watchpoints: insertion, deletion, and counting. If
+ called with wp_count as the first argument, return the count of
+ debug registers needed to watch the region. Don't break out of
+ the loop before all the addresses in the region are processed.
+ (go32_remove_watchpoint): Call go32_remove_aligned_watchpoint to
+ do the actual work.
+ (go32_remove_aligned_watchpoint): New function, modeled after
+ go32_insert_aligned_watchpoint. Removes watchpoints that watch
+ regions of arbitrary length by calling
+ go32_handle_nonaligned_watchpoint as needed.
+ (go32_region_ok_for_watchpoint): New function, called from
+ can_use_hardware_watchpoint via the new macro
+ TARGET_REGION_OK_FOR_HW_WATCHPOINT.
+
+ * config/i386/nm-go32.h (TARGET_REGION_OK_FOR_HW_WATCHPOINT):
+ Define to call go32_region_ok_for_watchpoint.
+ (DECR_PC_AFTER_HW_BREAK): Define back to zero (previous redefinition
+ to 1 was due to a bug in go32-nat.c).
+
+1999-08-19 Eli Zaretskii <eliz@is.elta.co.il>
+
+ * go32-nat.c (cleanup_dregs): New function.
+ (go32_mourn_inferior): Call it.
+ (IS_REG_FREE, LOCAL_ENABLE_REG, GLOBAL_ENABLE_REG, DISABLE_REG,
+ SET_BREAK, SET_WATCH, IS_WATCH, WATCH_HIT): Protect arguments with
+ parentheses.
+ (SET_BREAK): Increment the debug register's reference count.
+ (DR_DEF): New macro, returns the access and length bits of the
+ breakpoint.
+ (SHOW_DR): Print the reference count of each register. Disable or
+ enable print-out depending on an environment variable GDB_SHOW_DR.
+ (go32_insert_aligned_watchpoint): Look for an occupied debug
+ register with the same address and access/length bits, and reuse
+ it by incrementing reference the count, before occupying another
+ register. Return zero upon success.
+ (go32_insert_nonaligned_watchpoint): Pass the read/write bits to
+ go32_remove_watchpoint.
+ (go32_remove_watchpoint): Accept an additional parameter: the
+ read/write bits of the watchpoint to remove, and only remove a
+ watchpoint if it's occupied and its address and read/write bits
+ match. Only disable the register if its reference count is zero;
+ otherwise just decrease the reference count.
+ (go32_remove_hw_breakpoint): Only decrease reference count and
+ disable the debug register if it is occupied and its access bits
+ match those of an instruction breakpoint.
+ (go32_insert_hw_breakpoint): Before occupying another debug
+ register, look for an already occupied register that defines an
+ instruction breakpoint with the same address. If found, increment
+ its reference count. Call SHOW_DR even if failed to insert a
+ breakpoint.
+
+ * config/i386/nm-go32.h (target_remove_watchpoint): Accept the
+ TYPE argument as well.
+
+Wed Aug 18 17:47:25 1999 Andrew Cagney <cagney@b1.cygnus.com>
+
+ * mips-tdep.c: Add more comments.
+
+1999-08-17 Stan Shebs <shebs@andros.cygnus.com>
+
+ * blockframe.c: Don't use PARAMS anymore, remove obsolete comment
+ about frameless functions.
+
+1999-08-16 Michael Snyder <msnyder@cleaver.cygnus.com>
+
+ * thread.c (delete_thread): delete any step_resume breakpoint
+ held by the thread. (prune_threads): call delete_thread.
+ * breakpoint.c (breakpoint_init_inferior): if startup, then
+ delete any remaining step_resume breakpoints.
+ * infrun.c (handle_inferior_event): add cautionary comment.
+
+1999-08-16 Fernando Nasser <fnasser@totem.to.cygnus.com>
+
+ * remote.c (remote_async_mourn): New function. Async version of
+ remote_mourn().
+
+1999-08-16 Eli Zaretskii <eliz@is.elta.co.il>
+
+ * terminal.h [__GO32__]: Remove conditional; DJGPP now supports
+ termios.
+
+1999-08-16 Eli Zaretskii <eliz@is.elta.co.il>
+
+ * command.c (CANT_FORK) [__MSDOS__]: Define.
+ (shell_escape) [CANT_FORK]: If ARG is NULL, pass an empty string
+ to `system'.
+ [__DJGPP__]: Return to the original directory after the shell
+ exits.
+
+1999-08-16 Eli Zaretskii <eliz@is.elta.co.il>
+
+ * config/i386/xm-go32.h (ROOTED_P): Don't reference X[1] if X[0]
+ is a null character.
+
+ * config/i386/nm-go32.h (DECR_PC_AFTER_HW_BREAK): Define to 1.
+
+1999-08-16 Eli Zaretskii <eliz@is.elta.co.il>
+
+ * go32-nat.c (redir_cmdline_parse, redir_cmdline_delete,
+ redir_to_child, redir_to_debugger, redir_debug_init)
+ [__DJGPP_MINOR__ < 3]: Dummy stubs for redirecting debuggee's
+ standard handles.
+ (print_387_status): Print "last FP instruction", not "last
+ exception". Restore the upper 5 bits of the opcode that aren't
+ stored in the FPU state. Print the FPU stack in its physical
+ order, not relative to ST(0). Print "special", not "trap" for
+ unnormals and infinities. Print all 10 bytes of each FP register,
+ and print them with 19 significant digits.
+ (regno_mapping): Make the mapping consistent with tm-go32.h.
+ (sig_map): Add mappings for SIGQUIT, SIGFPE, SIGALRM. Map NMI to
+ SIGBUS.
+ (excep_map): New variable, maps GDB signals to DJGPP exceptions.
+ (go32_attach): Signal an error: we cannot attach to other
+ processes.
+ (go32_resume): Record the signal with which the inferior should be
+ resumed, mapped to the DJGPP exception number.
+ (go32_wait): Pass the signal recorded in go32_resume to the
+ debuggee. Save and restore debugger's and debuggee's current
+ working directory.
+ [__DJGPP_MINOR__ < 3]: Save and restore inferior's FPU state.
+ (store_register): FPU regsiters have numbers less than 31.
+ (go32_kill_inferior): Delete the parsed command-line storage.
+ (go32_create_inferior): Initialize the parsed command-line
+ storage. Parse the command line and create the redirections for
+ inferior's standard handles.
+ [__DJGPP_MINOR__ < 3]: Init the inferior's FPU state.
+ (ignore2): Function deleted.
+ (device_mode): New function, switches a character device between
+ raw and cooked mode.
+ (go32_terminal_init): Invalidate the raw/cooked mode information.
+ (go32_terminal_info): Print whether the inferior's terminal is in
+ raw or cooked mode.
+ [__DJGPP_MINOR__ > 2]: Say if standard handles are redirected or
+ closed by the inferior.
+ (go32_terminal_inferior): Switch standard handles to the
+ inferior's files/devices. Put the inferior's input device to
+ raw/cooked mode, exactly like we found it last time.
+ (go32_terminal_ours): Restore debugger's standard handles and put
+ the terminal into cooked mode. Save the mode of inferior's input
+ device.
+ (init_go32_ops): Assign go32_ops.to_attach,
+ go32_ops.to_terminal_info, go32_ops.to_terminal_ours_for_output.
+ Initialize inferior's cwd and the command-line storage.
+
+Mon Aug 16 14:29:30 1999 Jeffrey A Law (law@cygnus.com)
+
+ * config/pa/tm-hppa.h (ARGS_GROW_DOWNWARD): Define.
+ * config/pa/tm-hppa64.h (ARGS_GROW_DOWNWARD): Undefine.
+ * hppa-tdep.c (hppa_push_arguments): Handle arguments growing in
+ both directions depending ARGS_GROW_DOWNWARD.
+ (hppa_find_saved_regs): Update for 64bit wide registers & pointers
+ and PA64 ABI.
+
+ * hppa-tdep.c (hppa_pop_frame): Various fixes for 64bit wide
+ registers and pointers.
+ (hppa_fix_call_dummy, skip_trampoline_code): Likewise.
+ (restore_pc_queue): Update tests for width of memory loads.
+ (hppa_push_arguments): Delete version that was #if 0'd out.
+
+ * hppa-tdep.c (push_dummy_frame): Handle the new 64it ABI.
+ (find_dummy_frame_regs): Corresponding changes.
+
+ * hppa-tdep.c (read_unwind_info): Initialize obj_private->dp.
+ (internalize_unwinds): Improve test for when to use segment
+ relative code for unwinder bounds.
+ (rp_saved): Fix offset of saved return pointer for the 64bit ABI.
+ (hppa_frame_saved_pc): Various updates to handle 64bit registers
+ and pointers.
+ (frame_chain, restore_pc_queue): Likewise.
+
+ * hppa-tdep.c (rp_saved): RP is saved at frame-16 when
+ pointers are 64bits wide.
+
+ * hppa-tdep.c (record_text_segment_lowaddr): New function.
+ (internalize_unwinds): Use it if addressess are 8 bytes wide.
+
+ * symfile.c (syms_from_objfile): No longer warn if the lowest
+ section does not have SEC_CODE set.
+
+ * Makefile.in (pa64solib.o): Add dependencies.
+
+ * hppah-nat.c (store_inferior_registers): Do not try to write a
+ nonzero value to the high part of IPSW. Fix typo in unable to store
+ warning.
+
+ * config/pa/tm-hppa.h (opd_data structure): Delete. Not actually
+ needed.
+ (struct obj_private_struct): Add new entry for the objfile's DP
+ value.
+ * config/pa/tm-hppa64.h (CALL_DUMMY): Add a nop to make it an even
+ number of instructions. Pack the dummy into word sized hunks.
+ (CALL_DUMMY_LENGTH): Update appropriately.
+ (PC_IN_CALL_DUMMY, CALL_DUMMY_LOCATION_AFTER_TEXT_END): Delete.
+
Mon Aug 16 19:08:19 1999 Andrew Cagney <cagney@b1.cygnus.com>
* configure.in: Try -lsocket when looking for socketpair.
projects / deliverable / binutils-gdb.git / blobdiff