changelog

这个是LINUX下的GDB调度工具的源码

	* 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
	a sim_set_callbacks call.
	
Thu Oct  5 14:13:29 1995  steve chamberlain  <[e-mail]>

	* interp.c (callback): Initialize to default callback.

Thu Sep 28 15:26:59 1995  steve chamberlain  <[e-mail]>

	* run.c: Moved to ../common.
	* interp.c (trap): Use gdb's callback interface.
	* Makefile.in: Updated.

Wed Sep 20 13:35:13 1995  Ian Lance Taylor  <[e-mail]>

	* Makefile.in (maintainer-clean): New synonym for realclean.

Wed Sep 20 09:51:50 1995  steve chamberlain  <[e-mail]>

	* run.c (sim_callback_write_stdout):  New.
	* interp.c (trap): Call sim_callback_write_stdout when needed.

Mon Sep 18 18:42:27 1995  steve chamberlain  <[e-mail]>

	* interp.c (trap): Remove useless code.

Fri Sep 15 19:30:05 1995  steve chamberlain  <[e-mail]>

	* syscall.h: Copy from newlib.

Thu Sep 14 19:32:59 1995  Stu Grossman  ([e-mail])

	* gencode.c:  Back up PC by 2 for breakpoints.
	* interp.c:  Move fp regs beyond pc/pr/etc to avoid confusing GDB,
	which expect pc to immediatly follow regs[].

Fri Sep  8 14:18:13 1995  Ian Lance Taylor  <[e-mail]>

	* configure.in: Define CC_FOR_BUILD.  Don't call AC_PROG_INSTALL.
	* configure: Rebuild.
	* Makefile.in (INSTALL): Revert to using install.sh.
	(INSTALL_PROGRAM, INSTALL_DATA): Set to $(INSTALL).
	(INSTALL_XFORM, INSTALL_XFORM1): Restore.
	(CC_FOR_BUILD): Restore.
	(gencode): Build using $(CC_FOR_BUILD).
	(install): Don't install in $(tooldir).

Thu Sep  7 15:02:31 1995  J.T. Conklin  <[e-mail]>

	(Try to) Update to new bfd autoconf scheme.
	* run.c: Don't include sysdep.h.
	* Makefile.in (INSTALL{,_PROGRAM,_DATA}): Use autoconf computed value.
	(CC, CFLAGS, AR, RANLIB): Likewise.
	(HDEFINES, TDEFINES): Define.
	(CC_FOR_BUILD): Delete.
	(host_makefile_frag): Delete.
	(Makefile): Don't depend on frags.
	* configure.in (sysdep.h): Don't create symlink.
	(host_makefile_frag, frags): Deleted.
	(CC, CFLAGS, AR, RANLIB, INSTALL): Compute values.
	* configure: Regenerated.

Thu Aug 31 12:39:07 1995  Jim Wilson  <[e-mail]>

	* interp.c: Include <math.h>.

Wed Aug 30 22:05:17 1995  Jeff Law  ([e-mail])

	* Makefile.in (run): Link in math library too.
	* gencode.c (gensim): abort if an unknown opcode is encountered.
	* interp.c (FPSCR, FPUL): Define.
	(struct save_state): Add fields for floating point registers,
	FPSCR and FPUL.
	(sim_resume): Add 'F' for accessing floating point registers
	in the save state structure.
	* gencode.c: Add sh3e opcodes.
	(gensym): Define a buffer for int<->fp conversions.

Tue Aug 22 14:16:46 1995  J.T. Conklin  <[e-mail]>

	* interp.c (trap): Use trap vector 34 for host system interface.
	* gencode.c: Add 34 to conditional which determines which traps
	will be handled by simulator.

Fri Aug 11 17:59:15 1995  Jim Wilson  <[e-mail]>

	* run.c: Include <signal.h>.  Define SIGQUIT if not defined.
	(main): New variables reason and sigrc.  After simulator exits,
	check to see if it exited because of a signal, and if so, then
	use the signal number as the return value.

Thu Aug  3 10:45:37 1995  Fred Fish  <[e-mail]>

	* Update all FSF addresses except those in COPYING* files.

Tue Jul 18 23:33:10 1995  Fred Fish  <fnf@fishbowl>

	* interp.c (trap): Only use SYS_execv if defined.  Might be
	implemented as execve(arg1,arg2,0), as with Unixware 2.0.
	(sim_resume): In sbit initializer, cast shifted arg to unsigned
	to avoid signed integer overflow.

Wed Jul  5 14:32:54 1995  J.T. Conklin  <[e-mail]>

	* Makefile.in (clean): Remove run, libsim.a.
	  (distclean, mostlyclean, realclean): Remove Makefile and 
	  autoconf files.

	* sh.mt: Removed.

	* Makefile.in, configure.in: converted to autoconf.
	* configure: New file, generated with autconf 2.4.

Fri Jun 30 16:51:38 1995  Stan Shebs  <[e-mail]>

	* interp.c (sim_open): If argument supplied, interpret as
	desired memory size.
	(parse_and_set_memory_size): New function.
	(sim_do_command): New function.

Thu Jun 29 10:02:28 1995  Fred Fish  <[e-mail]>

	* interp.c  (SYS_wait): Define as SYS_wait4 if available and
	SYS_wait is not already defined (SunOS 4.1.3 for example).
	(SYS_utime): Define as SYS_utimes if available and
	SYS_utime is not already defined.

Thu Jun 22 17:25:57 1995  Steve Chamberlain  <[e-mail]>

	* interp.c: Don't include sys/times.h or sys/param.h

Wed Jun 21 15:03:49 1995  Steve Chamberlain  <[e-mail]>

	* interp.c (SIGBUS, SIGTERM): Define if not.
	(sim_memory_size): default to 2^19 on PCs.
	(sim_resume): Poll for quits on win32.

Wed May 24 16:22:48 1995  Jim Wilson  <[e-mail]>

	* gencode.c (op_tab): Add SH3 support.

Wed May 24 14:07:11 1995  Steve Chamberlain  <[e-mail]>

	* gencode.c (tab): Add bsrf and braf.

Mon Apr 24 15:09:49 1995  Jason Molenda  ([e-mail])

	* configure.in: use ../../bfd/hosts/std-host.h, not 
	../bfd/hosts/std-host.h (which doesn't exist).

Mon Mar 27 10:32:34 1995  J.T. Conklin  <[e-mail]>

	* run.c: parse arguments with getopt().

Sun Feb 26 15:27:24 1995  Steve Chamberlain  <[e-mail]>

	* configure.in: Use ../../bfd/hosts/std-host.h if specific
	host unavailable.

Mon Jan 23 16:10:58 1995  Torbjorn Granlund  <[e-mail]>

	* interp.c (macw): Sign extend MACH at bit 10 for non-saturating case.

Sun Jan 22 13:55:36 1995  Torbjorn Granlund  <[e-mail]>

	* gencode.c (op_tab): Make MAC.W call macw, not abort.
	* interp.c (macw): New function.
	(S): New #define.

Sat Jan 21 15:52:30 1995  Torbjorn Granlund  <[e-mail]>

	* gencode.c (op_tab): New code for ADDV and SUBV.
	Make MAC.L abort sicne it is not implemented.

	* interp.c (dmul): Handle the signed case by adjusting after unsigned multiply.
	Get rid of __GNUC__ conditional.

aThu Jan 19 05:50:50 1995  Torbjorn Granlund  <[e-mail]>

	* gencode.c (op_tab): Also replace NEGC, and try again with SUBC.
	Change ADDC for symmetry.

	* gencode.c (op_tab): Replace code for ADDC and SUBC.

Mon Jan  9 15:43:53 1995  Stu Grossman  ([e-mail])

	* interp.c:  Remove def of INLINE.  This comes from bfd.h.  Also,
	declare IOMEM before using it.

Wed Dec 28 21:25:31 1994  Steve Chamberlain  ([e-mail])

	* interp.c (BUSERROR): New macro.
	([r|w][bwl]at[little|big]) New functions.
	(sim_resume): If GO32 check for interrupt every now
	and again.  Decrement PC if SIGBUS seen.
	* run.c (main):  Return result of simulated _exit.

Mon Dec  5 21:59:51 1994  Doug Evans  <[e-mail]>

	* Makefile.in (gencode): Allow build in different directory.

Wed Nov 30 17:47:13 1994  Jim Wilson  <[e-mail]>

	* Makefile.in (gencode): Change $< to gencode.c for portability.

Wed Nov 23 21:31:55 1994  Steve Chamberlain  ([e-mail])

	* interp.c ([wr][bwl]at): New functions.
	(trap): Cope with both byte modes.

Thu Sep  8 17:35:07 1994  Steve Chamberlain  ([e-mail])

	* gencode.c (tab): Simulate T bit after a negc insn right.
	* interp.c (RSBAT): Sign extend the arg.
	(ACE_FAST): New macro.
	(sim_resume): Remove obsolete test of sim_timeout.
	
Fri Aug  5 14:12:31 1994  Steve Chamberlain  ([e-mail])

	* interp.c (IOMEM): New function, simulates very basic I/O area of
	the SH.
	(WBAT, RBAT) : Call I/O functions.
	* gencode.c (tab): Special case trapa #3.

Mon Jun 27 18:04:54 1994  Steve Chamberlain  ([e-mail])

	* run.c (main): Specify the file type again.

Thu May 26 19:04:37 1994  Steve Chamberlain  ([e-mail])

	* interp.c (trap): Fix irix incompatibility.
	* run.c (main): open without specifying file type.

Wed May 18 14:18:53 1994  Doug Evans  ([e-mail])

	* interp.c (sim_*): Make result void where there isn't one.
	(sim_set_pc): Delete.
	(sim_info): Delete printf_fn arg, all callers changed.
	Call printf_filtered instead.
	(sim_close): New function.
	(sim_load): New function.
	(sim_create_inferior): Renamed from sim_set_args, all callers changed.
	* run.c: #include <varargs.h>, "remote-sim.h".
	(printf_filtered): New function.

Wed Apr 27 12:03:48 1994  Steve Chamberlain  ([e-mail])

	* gencode.c (table): Get direction of some opcodes right.
        (trapa, rte): Implement fully.
	* interp.c (trap): Make stat call more portable.

Fri Feb 11 21:59:38 1994  Steve Chamberlain  ([e-mail])

	* gencode.c (main, gendefines): New -d option prints table of defines.
	* interp.c (trap): Add a load of system calls. 
	(sim_memory_size): Now default to 8Mbyte.
        (PARANOID): Keep vector of registers with undefined contents.

Mon Nov 15 14:37:18 1993  Steve Chamberlain  ([e-mail])

	* gencode.c: mova uses aligned addresses
	* interp.c (trap): Return results in r0.

Tue Oct 26 10:38:55 1993  Doug Evans  ([e-mail])

	* Makefile.in (CSEARCH): Add -I$(srcdir)/../../gdb
	* interp.c: #include "remote-sim.h".
	(sim_resume): int result, new arg `siggnal'.
	(sim_write): Use SIM_ADDR for type of arg `addr'.
	(sim_read): Use SIM_ADDR for type of arg `addr'.
	Use unsigned char * for `buffer'.
	(sim_store_register): int result.
	(sim_fetch_register): Ditto.
	(sim_stop_reason): Renamed from sim_stop_signal.  New arg `reason'.
	(sim_set_pc): int result, use SIM_ADDR for type of arg `x'.
	(sim_info): int result, new args `verbose', `printf_fn'.
	(sim_kill): int result.
	(sim_open): int result, new arg `name'.
	* run.c: #include <stdio.h>
	(main): Update call to sim_info.

Sat Oct 23 15:09:29 1993  Doug Evans  ([e-mail])

	* interp.c (sim_stop_signal): Result is now enum sim_stop.

Fri Oct  8 10:47:09 1993  Steve Chamberlain  ([e-mail])

	* gencode.c (table): Becomes unsigned.
	* interp.c (trap): Get right breakpoint SIGnum. (sim_write,
	sim_read): Return number of bytes copied.  (sim_store_register):
	Value passed by reference. (sim_kill, sim_open, sim_set_args): New functions.

Tue Sep  7 16:24:13 1993  Stan Shebs  ([e-mail])

	* interp.c (sim_info): Fix small typo in printf string.

Thu Aug  5 11:37:48 1993  Stan Shebs  ([e-mail])

	* interp.c (sim_resume): Set memory after pointers inited.

Mon Aug  2 14:13:22 1993  Steve Chamberlain  ([e-mail])

	* interp.c (get_now): Use time system call.
	* Makefile.in: install correctly.

Tue Jul  6 10:30:46 1993  Steve Chamberlain  ([e-mail])

	* run.c (main), interp.c (sim_set_timeout): Remove timeout
	functionality.

Thu Jun 24 13:29:57 1993  david d `zoo' zuhn  (zoo at rtl.cygnus.com)

	* Makefile.in: don't run indent everytime; also add a space in the
	includes 

Thu Jun 17 18:30:42 1993  Steve Chamberlain  ([e-mail])

	* gencode.c: Fix some opcodes.
	* interp.c: Support for profiling and portability fixes.
	* run.c (main): Get profiling args.

Wed May  5 13:17:22 1993  Steve Chamberlain  ([e-mail])

	* gencode.c (tab): Lint for sgi compiler
	* interp.c: Lint for sgi compiler.

Mon May  3 15:25:33 1993  Steve Chamberlain  ([e-mail])

	* run.c (main): Support for resizing simulated RAM.	
	* Makefile.in: Support for broken makes.
	* interp.c, gencode.c: Lint.

Mon Apr 26 18:01:10 1993  Steve Chamberlain  ([e-mail])

	* created