Fri Oct 11 16:22:28 2002 J"orn Rennecke <joern.rennecke@superh.com> * interp.c (trap): Return int. Take extra parameter for address of the trap instruction. Changed all callers. Add case 33 for profiling. * gencode.c (trapa): Handle trap 33 using the trap function. Add read of vector for generic traps. Wed Jul 17 19:36:38 2002 J"orn Rennecke <joern.rennecke@superh.com> * Makefile.in (interp.o): Depend on $(srcroot)/include/gdb/sim-sh.h. * interp.c: Include "gdb/sim-sh.h". (sim_store_register, sim_fetch_register): Use constants defined there. Tue Jun 18 16:53:11 2002 J"orn Rennecke <joern.rennecke@superh.com> * interp.c (sim_resume): Fix setting of bus error for instruction fetch. 2002-06-16 Andrew Cagney <ac131313@redhat.com> * configure: Regenerated to track ../common/aclocal.m4 changes. 2002-06-08 Andrew Cagney <cagney@redhat.com> * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h". 2001-01-30 Ben Elliston <bje@redhat.com> * interp.c (sim_create_inferior): Record program arguments for later inspection by the trap handler. (count_argc): New function. (prog_argv): Declare static. (sim_write): Declare. (trap): Implement argc, argnlen and argn system calls. Do not abort on unknown system calls--simply return -1. * syscall.h (SYS_argc, SYS_argnlen, SYS_argn): Define. 2001-01-24 Alexandre Oliva <aoliva@redhat.com> * interp.c (trap): Implement time. 2000-10-24 Ben Elliston <bje@redhat.com> * gencode.c (tab): Delimit strings with commas where applicable. Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. Mon May 15 22:04:51 2000 J"orn Rennecke <amylaar@cygnus.co.uk> sh-dsp support, simulator speedup by using host byte order: * Makefile.in (interp.o): Depends on ppi.c . (ppi.c): New rule. * gencode.c (printonmatch, think, genopc): Deleted. (MAX_NR_STUFF): Now 42. (tab): Add SH-DSP CPU instructions. Amalgamate ldc / stc / lds / sts instructions with similar bit patterns. Fix opcodes of stc Rm_BANK,@-<REG_N>. Fix semantics of lds.l @<REG_N>+,MACH (no sign extend). (movsxy_tab): New array. For movs, change MMMM field to GGGG, and mmmm field to MMMM. Added entries for movx, movy and parallel processing insns. (ppi_tab): New array. (qfunc): Stabilize sort. (expand_opcode): Handle [01][01]NN, [01][01]xx and [01][01]yy. Handle 'M', 'G' 's' 'X', 'a', 'Y' and 'A'. (dumptable): Now takes three arguments. Changed all callers. Emit just one contigous jump table. (filltable): Now takes an argument. Changed all callers. Make index static. (ppi_moves, expand_ppi_code, ppi_filltable, ppi_gensim): New functions. (gensim_caselist): New function, broken out of gensim. Handle opcode fields 'x', 'y', 's', 'M', 'G', 'X', 'a', and 'Y'. Handle ref '9'. (gensim): Handle 'N' in code field and '8' in refs field. Call gensim_caselist - twice. (ppi_index): New static variable. (main): Unsupport default action. Add dsp support for -x / -s option. Add -p option. * interp.c (sh_jump_table, sh_dsp_table, ppi_table): Declare. (saved_state_type): Rearrange to allow amalgamated ldc / stc / lds / sts to work efficiently. (target_dsp): New static variable. (GBR, VBR, SSR, SPC, MACH, MACL): Reflect saved_state_type change. (FPUL, Rn_BANK, SET_Rn_BANK, M, Q, S, T, SR_BL, SR_RB): Likewise. (SR_MD, SR_RC, SET_SR_BIT, GET_SR, SET_RC, GET_FPSCR): Likewise. (RS, RE, MOD, MOD_ME, DSP_R): Likewise. (set_fpscr1): Likewise. Use target_dsp to check for dsp. (MOD_MSi, SIG_BUS_FETCH): Deleted. (CREG, SREG, PR, SR_MASK_DMY, SR_MASK_DMX, SR_DMY): New macros. (SR_DMX, DSR, MOD_DELTA, GET_DSP_GRD): Likewise. (SET_MOD): Reflect saved_state_type change. Set MOD_DELTA instead of MOD_MS, and encode SR_DMY / SR_DMX into high word of MOD_ME. (set_sr): Reflect saved_state_type change. Fix SR_RB handling. Use SET_MOD. (MA, L, TL, TB): Now controlled by ACE_FAST. (SEXT32): Just cast to int. (SIGN32): Fixed to only shift by 31. (CHECK_INSN_PTR): SIGBUS at insn fetch now represented by insn_end 0. (ppi_insn): Declare. (ppi.c): Include. (init_dsp): Set target_dsp. When it changes, switch end of sh_jump_table with sh_dsp_table. (sim_resume) Don't declare sh_jump_table0. Use sh_jump_table instead. Don't Declare PR if it's #defined. Fix single-stepping (Was broken in Mar 6 16:59:10 patch). (sim_store_register, sim_read_register): Translate accesses to reflect saved_state_type change. * interp.c (set_sr): Set sr. (SET_RC, MOD, MOD_MS, MOD_ME, SET_MOD, MOD_MS, MOD_ME): New macros. (set_fpscr1): Don't bank-switch fpu registers when simulating sh-dsp. (DSP_R): Fix definition. (sim_resume): Remove outdated SET_SR use. * interp.c (saved_state): New members for struct member asregs: rs, re, insn_end, xram_start, yram_start. (struct loop_bounds): New struct. (SKIP_INSN): New macro. (get_loop_bounds): New function. (endianw): Renamed to global_endianw. (maskw): negated bits. (PC): Now insn_ptr. (SR_MASK_RC, SR_RC_INCREMENT, SR_RC, RAISE_EXCEPTION): New macros. (RS, RE, DSP_R, DSP_GRD, A1, A0, X0, X1, Y0, Y1, M0, A1G): Likewise. (M1, A0G, RIAT, PT2H, PH2T, SET_NIP, CHECK_INSN_PTR): Likewise. (SIG_BUS_FETCH): Likewise (raise_exception, riat_fast): New functions. (raise_buserror, sim_stop): Use raise_exception. (PROCESS_SPECIAL_ADDRESS): Use xram_start / yram_start. (BUSERROR, WRITE_BUSERROR, READ_BUSERROR): Reverse sense of mask argument. (FP_OP, set_dr): Use RAISE_EXCEPTION. (wlat_fast, wwat_fast, wbat_fast, rlat_fast, rwat_fast, rbat_fast): Declare. Remove redundant masking. (wwat_fast, rwat_fast): Add argument endianw. Changed callers. (MA): Updated for change pc -> PC. (Delay_Slot): Use RIAT. (empty): Deleted. (trap): Remove argument little_endian. Add argument endianw. Changed all callers. Use raise_exception. (macw): Add argument endainw. Changed all callers. (init_dsp): New function, extended after broken out of init_pointers. (sim_resume): Replace pc with insn_ptr. Replace little_endian with endianw. Replace nia with nip. Reverse sense of maskb / maskw / maskl. Implement logic for zero-overhead loops. Don't try to interpret garbage when getting a SIGBUS at insn fetch. (sim_open): Call init_dsp. * gencode.c (tab): Use SET_NIP instead of nia = . Use PH2T / PT2H / RAISE_EXCEPTION where appropriate. Add extra cycles for brai, braf , bsr, bsrf, jmp, jsr. * interp.c (sim_store_register, sim_fetch_register): Do proper endianness switch. * interp.c (saved_state_type): New members for struct member asregs: xymem_select, xmem, ymem, xmem_offset, ymem_offset. (special_address): Delete. (BUSERROR): Now a two-argument predicate. (PROCESS_SPECIAL_ADDRESS, WRITE_BUSERROR, READ_BUSERROR): New macros. (wlat_little, wwat_little, wbat_any, wlat_big, wwat_big): Delete. (process_wlat_addr, process_wwat_addr): New functions. (process_wbat_addr, process_rlat_addr, process_rwat_addr): Likewise. (process_rbat_addr): Likewise. (wlat_fast, wwat_fast, wbat_fast): Use WRITE_BUSERROR. (rlat_little, rwat_little, rbat_any, rlat_big, rwat_big): Delete. (rlat_fast, rwat_fast, rbat_fast): Use READ_BUSERROR. (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Delete SLOW versions. (do_rdat, trap): Delete SLOW code. (SEXT32, SIGN32): New macros. (swap, swap16): Now integer in - integer out. Changed all callers. (strswaplen, strnswap): Delete SLOW versions. (init_pointers): Initialize dsp memory selection (preliminary). (sim_store_register, sim_fetch_register): Use swap instead of big / little endian read / write functions. * interp.c (maskl): Deleted. (endianw, endianb): New variables. (special_address): Now inline. (bp_holder): Put raising of buserror there, rename to: (raise_buserror). (BUSERROR): Now yields a value. Changed all users. (wbat_big): Delete. (wlat_fast, wwat_fast, wbat_fast): New functions. (rlat_fast, rwat_fast, rbat_fast): Likewise. (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Use new functions. (do_rdat, do_wdat): Likewise. Take maskl argument instead of little_endian one. Changed caller macros. (swap, swap16): Use w[rw]lat_big / w[rw]lat_little directly. (strswaplen, strnswap): New functions. (trap): Use them to fix up endian mismatches; disable SYS_execve and SYS_execv; fix double address translation for SYS_pipe and SYS_stat. (sym_write, sym_read): Add endianness translation. (sym_store_register, sym_fetch_register): Add maskl local variable. (sim_open): Set endianw and endianb. Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. Wed Aug 25 07:55:23 1999 Brendan Kehoe <brendan@cygnus.com> * gencode.c (fcnvds <DR_N>,FPUL): Rewrite to use a local anonymous union type, instead of casting to an int* then a float*. (fcnvsd FPUL,<DR_N>): Likewise. (flds <FREG_N>,FPUL): Likewise. (fsts FPUL,<FREG_N>): Likewise. 1999-05-08 Felix Lee <flee@cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. 1999-04-02 Keith Seitz <keiths@cygnus.com> * interp.c (POLL_QUIT_INTERVAL): Define. Used to tweak the frequency at which the poll_quit callback is called. (sim_resume): Use POLL_QUIT_INTERVAL instead of a hard-coded value. Thu Sep 10 02:16:39 1997 J"orn Rennecke <amylaar@cygnus.co.uk> * interp.c (saved_state.asregs): Add new member pad_dummy. (sim_store_register, sim_fetch_regsiter): Add 1 to rn for use as index into saved_state.asints. Mon Jun 29 19:35:24 1998 Jason Molenda (crash@bugshack.cygnus.com) * interp.c (sim_open): set endianness based on the ABFD if a -E option is not present and we have an ABFD. Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche> * configure: Regenerated to track ../common/aclocal.m4 changes. * config.in: Ditto. Sun Apr 26 15:19:48 1998 Tom Tromey <tromey@cygnus.com> * acconfig.h: New file. * configure.in: Reverted change of Apr 24; use sinclude again. Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche> * configure: Regenerated to track ../common/aclocal.m4 changes. * config.in: Ditto. Fri Apr 24 11:18:35 1998 Tom Tromey <tromey@cygnus.com> * configure.in: Don't call sinclude. Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. Tue Feb 17 12:49:44 1998 Andrew Cagney <cagney@b1.cygnus.com> * interp.c (sim_fetch_register, sim_store_register): Pass in length parameter. Return -1. Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba> * configure: Regenerated to track ../common/aclocal.m4 changes. Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. * config.in: Ditto. Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com> * interp.c (sim_load): Pass lma_p and sim_write args to sim_load_file. Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. Tue Sep 9 20:52:21 1997 Felix Lee <flee@cygnus.com> * interp.c (sim_resume): poll_quit() at least once per call; otherwise gdb can loop sim_resume() uninterruptably. 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 <cagney@b1.cygnus.com> * gencode.c (tab): Order instructions according to SH3 document. Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. * config.in: Ditto. Tue Aug 26 10:41:55 1997 Andrew Cagney <cagney@b1.cygnus.com> * 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 <cagney@b1.cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. * config.in: Ditto. Mon Aug 25 16:17:51 1997 Andrew Cagney <cagney@b1.cygnus.com> * interp.c (sim_open): Add ABFD argument. Mon Jun 23 15:49:14 1997 Andrew Cagney <cagney@b1.cygnus.com> * 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 <cagney@b1.cygnus.com> * 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 <cagney@b1.cygnus.com> * interp.c (set_fpscr1): From J"orn Rennecke <amylaar@cygnus.co.uk>, Fix typo. Ditto for comment. Tue Aug 12 00:19:11 1997 J"orn Rennecke <amylaar@cygnus.co.uk> * 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 <amylaar@cygnus.co.uk> * interp.c (do_wdat, do_wdat): Fix bug in register number calculation. Thu Jun 19 00:28:08 1997 Andrew Cagney <cagney@b1.cygnus.com> * interp.c (sim_create_inferior): Clear registers each time an inferior is started. Mon Jun 16 14:01:55 1997 Andrew Cagney <cagney@b1.cygnus.com> * 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 <cagney@b1.cygnus.com> * 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 <cagney@b1.cygnus.com> * 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 <amylaar@cygnus.co.uk> * 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 <amylaar@cygnus.co.uk> * interp.c (init_pointers): Fix little endian test. Thu Jun 5 12:56:08 1997 J"orn Rennecke <amylaar@cygnus.co.uk> * 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 <amylaar@cygnus.co.uk> * gencode.c (swap.b): Fix treatment of high word. Wed May 28 23:42:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk> * 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 <cagney@b1.cygnus.com> * interp.c (sim_open): Add callback argument. (sim_set_callbacks): Delete SIM_DESC argument. Wed Apr 30 11:38:08 1997 Doug Evans <dje@canuck.cygnus.com> * Makefile.in (SIM_EXTRA_CLEAN): Define. (clean targets): Delete. (sh-clean): New target. Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. Wed Apr 23 17:55:22 1997 Doug Evans <dje@canuck.cygnus.com> * tconfig.in: New file. * interp.c (sim_open): Handle missing arg to -E. Tue Apr 22 08:55:35 1997 Stu Grossman (grossman@critters.cygnus.com) * Makefile.in: Add clean targets. Fri Apr 18 18:57:04 1997 Stu Grossman (grossman@critters.cygnus.com) * 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 <dje@canuck.cygnus.com> * interp.c (sim_resume): Fix argument to poll_quit. Fri Apr 18 14:14:49 1997 Andrew Cagney <cagney@b1.cygnus.com> * interp.c (sim_stop): New function. (sim_resume): Use poll_quit for polling. Thu Apr 17 03:32:04 1997 Doug Evans <dje@canuck.cygnus.com> * 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 <cagney@kremvax.cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. * config.in: Ditto. Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com> * interp.c (sim_open): New arg `kind'. * configure: Regenerated to track ../common/aclocal.m4 changes. Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. Wed Mar 19 09:34:36 1997 Fred Fish <fnf@cygnus.com> * 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 <cagney@kremvax.cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com> * configure: Re-generate. Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com> * configure: Regenerate to track ../common/aclocal.m4 changes. Thu Mar 13 13:00:00 1997 Doug Evans <dje@canuck.cygnus.com> * 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 <dje@canuck.cygnus.com> * 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 (grossman@critters.cygnus.com) * 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 <dje@canuck.cygnus.com> * 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 <dawn@cygnus.com> * interp.c: Don't include windows polling code if inside simluator. Fri Sep 20 14:57:50 1996 Stan Shebs <shebs@andros.cygnus.com> * 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 (crash@godzilla.cygnus.co.jp) * 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 <ian@cygnus.com> * 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 <ian@cygnus.com> * configure: Regenerate with autoconf 2.7. Tue Dec 5 16:38:55 1995 Stu Grossman (grossman@cygnus.com) * 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 <jtc@rtl.cygnus.com> * 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 <wilson@chestnut.cygnus.com> * 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 <wilson@chestnut.cygnus.com> * gencode.c (tab): Add explicit NaN support for ftrc instruction. Wed Nov 15 11:25:27 1995 Stu Grossman (grossman@cygnus.com) * 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 (grossman@cygnus.com) * 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 <wilson@chestnut.cygnus.com> * 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 <wilson@chestnut.cygnus.com> * interp.c (saved_state_type): Move FP registers to immediately after SR. Tue Oct 10 11:12:15 1995 Fred Fish <fnf@cygnus.com> * Makefile.in (BISON): Remove macro. Fri Oct 6 12:08:18 1995 Jim Wilson <wilson@chestnut.cygnus.com> * 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 <sac@slash.cygnus.com> * interp.c (callback): Initialize to default callback. Thu Sep 28 15:26:59 1995 steve chamberlain <sac@slash.cygnus.com> * 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 <ian@cygnus.com> * Makefile.in (maintainer-clean): New synonym for realclean. Wed Sep 20 09:51:50 1995 steve chamberlain <sac@slash.cygnus.com> * 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 <sac@slash.cygnus.com> * interp.c (trap): Remove useless code. Fri Sep 15 19:30:05 1995 steve chamberlain <sac@slash.cygnus.com> * syscall.h: Copy from newlib. Thu Sep 14 19:32:59 1995 Stu Grossman (grossman@cygnus.com) * 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 <ian@cygnus.com> * 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 <jtc@rtl.cygnus.com> (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 <wilson@chestnut.cygnus.com> * interp.c: Include <math.h>. Wed Aug 30 22:05:17 1995 Jeff Law (law@snake.cs.utah.edu) * 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 <jtc@rtl.cygnus.com> * 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 <wilson@chestnut.cygnus.com> * 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 <fnf@cygnus.com> * 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 <jtc@rtl.cygnus.com> * 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 <shebs@andros.cygnus.com> * 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 <fnf@deneb.cygnus.com> * 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 <sac@slash.cygnus.com> * interp.c: Don't include sys/times.h or sys/param.h Wed Jun 21 15:03:49 1995 Steve Chamberlain <sac@slash.cygnus.com> * 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 <wilson@chestnut.cygnus.com> * gencode.c (op_tab): Add SH3 support. Wed May 24 14:07:11 1995 Steve Chamberlain <sac@slash.cygnus.com> * gencode.c (tab): Add bsrf and braf. Mon Apr 24 15:09:49 1995 Jason Molenda (crash@cygnus.com) * 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 <jtc@rtl.cygnus.com> * run.c: parse arguments with getopt(). Sun Feb 26 15:27:24 1995 Steve Chamberlain <sac@cygnus.com> * configure.in: Use ../../bfd/hosts/std-host.h if specific host unavailable. Mon Jan 23 16:10:58 1995 Torbjorn Granlund <tege@rtl.cygnus.com> * interp.c (macw): Sign extend MACH at bit 10 for non-saturating case. Sun Jan 22 13:55:36 1995 Torbjorn Granlund <tege@rtl.cygnus.com> * 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 <tege@rtl.cygnus.com> * 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 <tege@rtl.cygnus.com> * 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 (grossman@cygnus.com) * 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 (sac@jonny.cygnus.com) * 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 <dje@canuck.cygnus.com> * Makefile.in (gencode): Allow build in different directory. Wed Nov 30 17:47:13 1994 Jim Wilson <wilson@chestnut.cygnus.com> * Makefile.in (gencode): Change $< to gencode.c for portability. Wed Nov 23 21:31:55 1994 Steve Chamberlain (sac@jonny.cygnus.com) * interp.c ([wr][bwl]at): New functions. (trap): Cope with both byte modes. Thu Sep 8 17:35:07 1994 Steve Chamberlain (sac@jonny.cygnus.com) * 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 (sac@jonny.cygnus.com) * 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 (sac@cirdan.cygnus.com) * run.c (main): Specify the file type again. Thu May 26 19:04:37 1994 Steve Chamberlain (sac@thepub.cygnus.com) * interp.c (trap): Fix irix incompatibility. * run.c (main): open without specifying file type. Wed May 18 14:18:53 1994 Doug Evans (dje@canuck.cygnus.com) * 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 (sac@cygnus.com) * 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 (sac@sphagnum.cygnus.com) * 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 (sac@jonny.cygnus.com) * gencode.c: mova uses aligned addresses * interp.c (trap): Return results in r0. Tue Oct 26 10:38:55 1993 Doug Evans (dje@canuck.cygnus.com) * 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 (dje@canuck.cygnus.com) * interp.c (sim_stop_signal): Result is now enum sim_stop. Fri Oct 8 10:47:09 1993 Steve Chamberlain (sac@phydeaux.cygnus.com) * 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 (shebs@rtl.cygnus.com) * interp.c (sim_info): Fix small typo in printf string. Thu Aug 5 11:37:48 1993 Stan Shebs (shebs@rtl.cygnus.com) * interp.c (sim_resume): Set memory after pointers inited. Mon Aug 2 14:13:22 1993 Steve Chamberlain (sac@phydeaux.cygnus.com) * interp.c (get_now): Use time system call. * Makefile.in: install correctly. Tue Jul 6 10:30:46 1993 Steve Chamberlain (sac@phydeaux.cygnus.com) * 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 (sac@phydeaux.cygnus.com) * 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 (sac@cygnus.com) * gencode.c (tab): Lint for sgi compiler * interp.c: Lint for sgi compiler. Mon May 3 15:25:33 1993 Steve Chamberlain (sac@thepub.cygnus.com) * 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 (sac@thepub.cygnus.com) * created