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Diffstat (limited to 'gdb/ChangeLog')
| -rw-r--r-- | gdb/ChangeLog | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 3a63a2b..fe8c1357 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,292 @@ +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. |