changelog

gdb-6.0 linux 下的调试工具

Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Tue Sep  2 13:15:27 1997  Andrew Cagney  <[e-mail]>

	* gencode.c (tab): Order instructions according to SH3 document.

Wed Aug 27 18:13:22 1997  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	* config.in: Ditto.

Tue Aug 26 10:41:55 1997  Andrew Cagney  <[e-mail]>

	* interp.c (sim_kill): Delete.
	(sim_create_inferior): Add ABFD argument.
	(sim_load): Move setting of PC from here.
	(sim_create_inferior): To here.

Mon Aug 25 17:50:22 1997  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	* config.in: Ditto.

Mon Aug 25 16:17:51 1997  Andrew Cagney  <[e-mail]>

	* interp.c (sim_open): Add ABFD argument.

Mon Jun 23 15:49:14 1997  Andrew Cagney  <[e-mail]>

	* interp.c (get_dr): Avoid SIGFPE by moving integers instead of
 	FP's around.
	(set_dr): Ditto.
	
Mon Jun 23 15:02:40 1997  Andrew Cagney  <[e-mail]>

	* interp.c (XD, SET_XD): Delete.
  	(XF, SET_XF, XD_TO_XF): Define, move around registers in either
 	FP bank.
	
	* gencode.c (fmov): Update.

Sun Jun 22 19:33:33 1997  Andrew Cagney  <[e-mail]>

	* interp.c (set_fpscr1): From J"orn Rennecke
 	<[e-mail]>, Fix typo. Ditto for comment.
	
Tue Aug 12 00:19:11 1997  J"orn Rennecke <[e-mail]>

	* interp.c (special_address): New function.
	(BUSERROR): Call it.  Added parameters bits_written and data.
	Changed all callers.
	* gencode.c (tab): Fixed ocbwb and pref.

Fri Jun 20 22:03:18 1997  J"orn Rennecke <[e-mail]>

	* interp.c (do_wdat, do_wdat): Fix bug in register number calculation.

Thu Jun 19 00:28:08 1997  Andrew Cagney  <[e-mail]>

	* interp.c (sim_create_inferior): Clear registers each time an
 	inferior is started.

Mon Jun 16 14:01:55 1997  Andrew Cagney  <[e-mail]>

	* interp.c (*FP, FP_OP, FP_CMP, FP_UNARY): Provide a hook for
 	when a host doesn't support IEEE FP.
	(*DP): Provide alternative definition that supports 64bit floating
 	point.
	(target_little_endian): Combine little_endian and little_endian_p.
	(saved_state_type): Make fpscr and sr simple integers.
	(SET_FPSCR, GET_FPSCR): Use macros to update fpscr register.
	(set_fpscr1): New function.  Handle swapping when PR / FR bits
 	changed. Call via *_FPSCR macro.
	(SET_SR*, GET_SR*): Use macro's to access the SR bits - avoids
 	endian problems.

	* gencode.c (tab): Update.
	
Sun Jun 15 15:22:52 1997  Andrew Cagney  <[e-mail]>

	* gencode.c (main): Perform basic checks on tab entries.

	* Makefile.in (gencode): Always compile with -g.

Sat Jun 14 13:45:09 1997  Andrew Cagney  <[e-mail]>

	* gencode.c (gensim): Move ref checking code to before `stuff'.
  	For branches with delay slots refs were not being checked.

	* interp.c (sim_resume): Use nia to specify the next instruction
 	address instead of overloading pc.
	(C): Delete definiton - refer to cycles directly.
	(SEXT12): New macro - sign extend a 12 bit quantity.
	(Delay_Slot): Rename from SL.

	* gencode.c (tab): Update/simplify.
	
	* gencode.c (gensim): Better formatting of output code.
	(gensim): Replace 10 with constant MAX_NR_STUFF- define as 15.
	(tab): Sort alphabetically.  Break `stuff' into multiple lines.

Fri Jun 13 22:10:13 1997  J"orn Rennecke <[e-mail]>

	* gencode.c (braf, bsrf): Fix branch destination calculation to
	be in accordance with the documentation.

Fri Jun 13 15:33:53 1997  J"orn Rennecke <[e-mail]>

	* interp.c (init_pointers): Fix little endian test.

Thu Jun  5 12:56:08 1997  J"orn Rennecke <[e-mail]>

	* interp.c (init_pointers): SH4 hardware is always WORDS_BIT_ENDIAN.
	* gencode (fmov from/to memory): take endian_mismatch into account
	for 32 bit moves too.

Wed May 28 23:42:35 1997  J"orn Rennecke <[e-mail]>

        * gencode.c (swap.b): Fix treatment of high word.

Wed May 28 23:42:35 1997  J"orn Rennecke <[e-mail]>

        * sh/gencode.c,
        * interp.c: experimental SH4 support.
        DFmode moves are probaly broken for target little endian.

Tue May 20 10:23:28 1997  Andrew Cagney  <[e-mail]>

	* interp.c (sim_open): Add callback argument.
	(sim_set_callbacks): Delete SIM_DESC argument.

Wed Apr 30 11:38:08 1997  Doug Evans  <[e-mail]>

	* Makefile.in (SIM_EXTRA_CLEAN): Define.
	(clean targets): Delete.
	(sh-clean): New target.

Thu Apr 24 00:39:51 1997  Doug Evans  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Wed Apr 23 17:55:22 1997  Doug Evans  <[e-mail]>

	* tconfig.in: New file.
	* interp.c (sim_open): Handle missing arg to -E.

Tue Apr 22 08:55:35 1997  Stu Grossman  ([e-mail])

	* Makefile.in:  Add clean targets.

Fri Apr 18 18:57:04 1997  Stu Grossman  ([e-mail])

	* interp.c:  Include float.h and define SIGTRAP if _WIN32.
	WIN32 -> _WIN32.
	* (trap):  Do do SYS_chown for _WIN32.

Fri Apr 18 13:33:09 1997  Doug Evans  <[e-mail]>

	* interp.c (sim_resume): Fix argument to poll_quit.

Fri Apr 18 14:14:49 1997  Andrew Cagney  <[e-mail]>

	* interp.c (sim_stop): New function.
	(sim_resume): Use poll_quit for polling.

Thu Apr 17 03:32:04 1997  Doug Evans  <[e-mail]>

	* Makefile.in (SIM_OBJS): Add sim-load.o.
	* interp.c (target_byte_order): Delete.
	(sim_kind, myname, little_endian_p): New static locals.
	(init_pointers): Use little_endian_p instead of target_byte_order.
	(sim_resume): Likewise.
	(sim_open): Set sim_kind, myname.  Set little_endian_p from -E arg.
	(sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
	load file into simulator.  Set start address from bfd.
	(sim_create_inferior): Return SIM_RC.  Delete arg start_address.

Mon Apr  7 15:45:02 1997  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	* config.in: Ditto.

Wed Apr  2 15:06:28 1997  Doug Evans  <[e-mail]>

	* interp.c (sim_open): New arg `kind'.

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Wed Apr  2 14:34:19 1997 Andrew Cagney <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Wed Mar 19 09:34:36 1997  Fred Fish  <[e-mail]>

	* interp.c (sim_do_command): Check for NULL command or empty
	string and handle it the same as a "help" command.  Use callback
 	to print error message for unrecognized commands.  Replace
	hardcoded tab in literal string with a \t.  Other minor code
 	cleanup.

Wed Mar 19 01:14:00 1997  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Mon Mar 17 15:10:07 1997  Andrew Cagney  <[e-mail]>

	* configure: Re-generate.

Fri Mar 14 10:34:11 1997  Michael Meissner  <[e-mail]>

	* configure: Regenerate to track ../common/aclocal.m4 changes.

Thu Mar 13 13:00:00 1997  Doug Evans  <[e-mail]>

	* interp.c (sim_open): New SIM_DESC result.  Argument is now
	in argv form.
	(other sim_*): New SIM_DESC argument.

Tue Feb  4 13:33:30 1997  Doug Evans  <[e-mail]>

	* Makefile.in (@COMMON_MAKEFILE_FRAG): Use
	COMMON_{PRE,POST}_CONFIG_FRAG instead.
	* configure.in: sinclude ../common/aclocal.m4.
	* configure: Regenerated.

Thu Jan 23 11:46:23 1997  Stu Grossman  ([e-mail])

	* configure configure.in Makefile.in:  Update to new configure
	scheme which is more compatible with WinGDB builds.
	* configure.in:  Improve comment on how to run autoconf.
	* configure:  Re-run autoconf to get new ../common/aclocal.m4.
	* Makefile.in:  Use autoconf substitution to install common
	makefile fragment.

Wed Nov 20 02:04:32 1996  Doug Evans  <[e-mail]>

	* Makefile.in: Delete stuff moved to ../common/Make-common.in.
	(SIM_OBJS,SIM_EXTRA_LIBS): Define.
	* configure.in: Simplify using macros in ../common/aclocal.m4.
	Call AC_CHECK_HEADERS(unistd.h).
	* configure: Regenerated.
	* config.in: New file.
	* interp.c: #include "config.h".  #include <unistd.h> if present.
	(trap): Fetch errno value with callback->get_errno.

Tue Nov 12 13:34:00 1996  Dawn Perchik  <[e-mail]>   

	* interp.c: Don't include windows polling code if inside simluator.

Fri Sep 20 14:57:50 1996  Stan Shebs  <[e-mail]>

	* interp.c: Minor formatting improvements.
	(saved_state_type): Add bank registers.
	(bp_holder): New function, use to break on when debugging BUSERROR.
	(BUSERROR): Call it if bus error occurs.

Wed Jun 26 12:29:22 1996  Jason Molenda  ([e-mail])

        * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
        INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
        (docdir): Removed.
        * configure.in (AC_PREREQ): autoconf 2.5 or higher.
        (AC_PROG_INSTALL): Added.
        * configure: Rebuilt.

Thu May 16 15:44:29 1996  Ian Lance Taylor  <[e-mail]>

	* interp.c (saved_state_type): Add memstalls field.
	(MA) Define macro.
	(sim_resume): New local variable memstalls.  Add it back in to
	saved_state at the end of the function.
	(sim_info): Report memstalls.
	* gencode.c (tab): Add MA() to the execution string of all
	instructions which access memory.

Wed Feb 21 12:16:41 1996  Ian Lance Taylor  <[e-mail]>

	* configure: Regenerate with autoconf 2.7.

Tue Dec  5 16:38:55 1995  Stu Grossman  ([e-mail])

	* gencode.c (mac.l):  Don't abort GDB if executing mac.l
	instruction (which is unimplemented).  Generate a SIGTRAP (in the
	simulated target) instead.

Mon Dec  4 12:22:24 1995  J.T. Conklin  <[e-mail]>

	* gencode.c (tab): Added several sh3 opcodes.
	(think): Added printonmatch for A_SSR and A_SPC.
	* interp.c (SSR, SPC): Added definitions.
	(saved_state_type): Added ssr and spc registers.

Wed Nov 29 12:39:27 1995  Jim Wilson  <[e-mail]>

	* gencode.c (tab): In shad/shld definitions, negate R[m] before
	the and operation instead of after.  For shad delete cast.  For shld
	use UR instead of R and delete cast.

Fri Nov 17 12:48:55 1995  Jim Wilson  <[e-mail]>

	* gencode.c (tab): Add explicit NaN support for ftrc instruction.

Wed Nov 15 11:25:27 1995  Stu Grossman  ([e-mail])

	* interp.c:  Make target_byte_order be extern to prevent SGI cc from
	issuing warnings about the use of common symbols.

Tue Nov 14 15:19:43 1995  Stu Grossman  ([e-mail])

	* gencode.c:  jsr, bsr and bsrf actually save pc+4 in pr, and rts
	actually uses pr+0.

Sat Oct 21 13:01:18 1995  Jim Wilson  <[e-mail]>

	* sh/interp.c (sim_stop_reason): Catch SIGQUIT and indicate
	program exited.
	(sim_get_quit_code): Delete.
	
	* gencode.c (gensim): Indicate SIGILL instead of calling abort for
	default case.

Mon Oct 16 18:24:03 1995  Jim Wilson  <[e-mail]>

	* interp.c (saved_state_type): Move FP registers to immediately
	after SR.

Tue Oct 10 11:12:15 1995  Fred Fish  <[e-mail]>

	* Makefile.in (BISON): Remove macro.

Fri Oct  6 12:08:18 1995  Jim Wilson  <[e-mail]>

	* interp.c (trap, case SYS_utime): Cast second arg of utime to
	void * to avoid compiler error.
	
	* interp.c (callback): Remove last change.  It is initialized by