From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 22873 invoked by alias); 4 Aug 2009 14:43:49 -0000 Received: (qmail 22854 invoked by uid 22791); 4 Aug 2009 14:43:46 -0000 X-SWARE-Spam-Status: No, hits=-1.1 required=5.0 tests=AWL,BAYES_00,J_CHICKENPOX_41,J_CHICKENPOX_53,SARE_MSGID_LONG40,SPF_PASS X-Spam-Check-By: sourceware.org Received: from mail-px0-f194.google.com (HELO mail-px0-f194.google.com) (209.85.216.194) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Tue, 04 Aug 2009 14:43:37 +0000 Received: by pxi32 with SMTP id 32so2687071pxi.24 for ; Tue, 04 Aug 2009 07:43:35 -0700 (PDT) MIME-Version: 1.0 Received: by 10.142.233.20 with SMTP id f20mr493901wfh.51.1249397015103; Tue, 04 Aug 2009 07:43:35 -0700 (PDT) In-Reply-To: <536923.21081.qm@web112518.mail.gq1.yahoo.com> References: <536923.21081.qm@web112518.mail.gq1.yahoo.com> From: Hui Zhu Date: Tue, 04 Aug 2009 14:43:00 -0000 Message-ID: Subject: Re: final i386.floating.record.patch To: paawan oza Cc: Michael Snyder , "gdb-patches@sourceware.org" Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-IsSubscribed: yes Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org X-SW-Source: 2009-08/txt/msg00046.txt.bz2 ./gdb ./a.out GNU gdb (GDB) 6.8.50.20090804-cvs Copyright (C) 2009 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "i686-pc-linux-gnu". For bug reporting instructions, please see: ... Setting up the environment for debugging gdb. Function "internal_error" not defined. Make breakpoint pending on future shared library load? (y or [n]) [answered N; input not from terminal] Function "info_command" not defined. Make breakpoint pending on future shared library load? (y or [n]) [answered N; input not from terminal] /home/teawater/gdb/rec/bgdbno/gdb/.gdbinit:8: Error in sourced command file: No breakpoint number 0. (gdb) start During symbol reading, DW_AT_name missing from DW_TAG_base_type. Temporary breakpoint 1 at 0x8048c74: file 1.c, line 197. Starting program: /home/teawater/gdb/rec/bgdbno/gdb/a.out Temporary breakpoint 1, main () at 1.c:197 197 init_floats(); (gdb) record (gdb) info all-registers eax 0x1 1 ecx 0xbffff780 -1073744000 edx 0xbffff7a0 -1073743968 ebx 0xb7f9eff4 -1208356876 esp 0xbffff760 0xbffff760 ebp 0xbffff768 0xbffff768 esi 0xb7ffece0 -1207964448 edi 0x0 0 eip 0x8048c74 0x8048c74 eflags 0x200286 [ PF SF IF ID ] cs 0x73 115 ss 0x7b 123 ds 0x7b 123 es 0x7b 123 fs 0x0 0 gs 0x33 51 st0 0 (raw 0x00000000000000000000) st1 0 (raw 0x00000000000000000000) st2 0 (raw 0x00000000000000000000) st3 0 (raw 0x00000000000000000000) st4 0 (raw 0x00000000000000000000) st5 0 (raw 0x00000000000000000000) st6 0 (raw 0x00000000000000000000) st7 0 (raw 0x00000000000000000000) fctrl 0x37f 895 fstat 0x0 0 ftag 0xffff 65535 fiseg 0x0 0 fioff 0x0 0 foseg 0x0 0 fooff 0x0 0 fop 0x0 0 xmm0 {v4_float =3D {0x0, 0x0, 0x0, 0x0}, v2_double =3D {0x0, 0x0}, v16_int8 =3D {0x0 }, v8_int16 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 =3D {0x0, 0x0, 0x0, 0x0}, v2_int64 =3D {0x0, 0x0}, uint128 =3D 0x00000000000000000000000000000000} xmm1 {v4_float =3D {0x0, 0x0, 0x0, 0x0}, v2_double =3D {0x0, 0x0}, v16_int8 =3D {0x0 }, v8_int16 =3D {0x0, 0x0, 0x0, ---Type to continue, or q to quit--- 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 =3D {0x0, 0x0, 0x0, 0x0}, v2_int64 =3D {0x0, 0x0}, uint128 =3D 0x00000000000000000000000000000000} xmm2 {v4_float =3D {0x0, 0x0, 0x0, 0x0}, v2_double =3D {0x0, 0x0}, v16_int8 =3D {0x0 }, v8_int16 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 =3D {0x0, 0x0, 0x0, 0x0}, v2_int64 =3D {0x0, 0x0}, uint128 =3D 0x00000000000000000000000000000000} xmm3 {v4_float =3D {0x0, 0x0, 0x0, 0x0}, v2_double =3D {0x0, 0x0}, v16_int8 =3D {0x0 }, v8_int16 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 =3D {0x0, 0x0, 0x0, 0x0}, v2_int64 =3D {0x0, 0x0}, uint128 =3D 0x00000000000000000000000000000000} xmm4 {v4_float =3D {0x0, 0x0, 0x0, 0x0}, v2_double =3D {0x0, 0x0}, v16_int8 =3D {0x0 }, v8_int16 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 =3D {0x0, 0x0, 0x0, 0x0}, v2_int64 =3D {0x0, 0x0}, uint128 =3D 0x00000000000000000000000000000000} xmm5 {v4_float =3D {0x0, 0x0, 0x0, 0x0}, v2_double =3D {0x0, 0x0}, v16_int8 =3D {0x0 }, v8_int16 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 =3D {0x0, 0x0, 0x0, 0x0}, v2_int64 =3D {0x0, 0x0}, uint128 =3D 0x00000000000000000000000000000000} xmm6 {v4_float =3D {0x0, 0x0, 0x0, 0x0}, v2_double =3D {0x0, 0x0}, v16_int8 =3D {0x0 }, v8_int16 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 =3D {0x0, 0x0, 0x0, 0x0}, v2_int64 =3D {0x0, 0x0}, uint128 =3D 0x00000000000000000000000000000000} xmm7 {v4_float =3D {0x0, 0x0, 0x0, 0x0}, v2_double =3D {0x0, 0x0}, v16_int8 =3D {0x0 }, v8_int16 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 =3D {0x0, 0x0, 0x0, 0x0}, v2_int64 =3D {0x0, 0x0}, uint128 =3D 0x00000000000000000000000000000000} mxcsr 0x1f80 [ IM DM ZM OM UM PM ] mm0 {uint64 =3D 0x0, v2_int32 =3D {0x0, 0x0}, v4_int16 =3D {0x0, 0x0, 0x0, 0x0}, v8_int8 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}} mm1 {uint64 =3D 0x0, v2_int32 =3D {0x0, 0x0}, v4_int16 =3D {0x0, 0x0, 0x0, 0x0}, v8_int8 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}} mm2 {uint64 =3D 0x0, v2_int32 =3D {0x0, 0x0}, v4_int16 =3D {0x0, 0x0, 0x0, 0x0}, v8_int8 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}} mm3 {uint64 =3D 0x0, v2_int32 =3D {0x0, 0x0}, v4_int16 =3D {0x0, 0x0, 0x0, 0x0}, v8_int8 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}} mm4 {uint64 =3D 0x0, v2_int32 =3D {0x0, 0x0}, v4_int16 =3D {0x0, 0x0, 0x0, 0x0}, v8_int8 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}} mm5 {uint64 =3D 0x0, v2_int32 =3D {0x0, 0x0}, v4_int16 =3D {0x0, 0x0, 0x0, 0x0}, v8_int8 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}} mm6 {uint64 =3D 0x0, v2_int32 =3D {0x0, 0x0}, v4_int16 =3D {0x0, 0x0, 0x0, 0x0}, v8_int8 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}} mm7 {uint64 =3D 0x0, v2_int32 =3D {0x0, 0x0}, v4_int16 =3D {0x0, 0x0, 0x0, 0x0}, v8_int8 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}} (gdb) (gdb) c Continuing. result is 369.438751 result is 10.320001 result is 23.008301 result is 0.000000 result is 10.450000 result is 10.776012 result is 495830.968750 result is -181.778748 result is 12.525923 result is 2.195619 result is 5.055601 result is inf result is inf result is -0.988032 result is 0.154251 result is -6.405331 result is 1.537475 The next instruction is syscall exit_group. It will make the program exit. Do you want to stop the program?([y] or n) Process record: inferior program stopped. Program received signal SIGTRAP, Trace/breakpoint trap. 0xb7fe3405 in __kernel_vsyscall () (gdb) rc Continuing. No more reverse-execution history. main () at 1.c:197 197 init_floats(); (gdb) info all-registers eax 0x1 1 ecx 0xbffff780 -1073744000 edx 0xbffff7a0 -1073743968 ebx 0xb7f9eff4 -1208356876 esp 0xbffff760 0xbffff760 ebp 0xbffff768 0xbffff768 esi 0xb7ffece0 -1207964448 edi 0x0 0 eip 0x8048c74 0x8048c74 eflags 0x200286 [ PF SF IF ID ] cs 0x73 115 ss 0x7b 123 ds 0x7b 123 es 0x7b 123 fs 0x0 0 gs 0x33 51 st0 0 (raw 0x00000000000000000000) st1 0 (raw 0x00000000000000000000) st2 0 (raw 0x00000000000000000000) st3 0 (raw 0x00000000000000000000) st4 0 (raw 0x00000000000000000000) st5 0 (raw 0x00000000000000000000) st6 0 (raw 0x00000000000000000000) st7 0 (raw 0x00000000000000000000) fctrl 0x37f 895 fstat 0x6069 24681 ftag 0x13f 319 fiseg 0x73 115 fioff 0x8048bfd 134515709 foseg 0x7b 123 fooff 0x0 0 fop 0x2e9 745 xmm0 {v4_float =3D {0x0, 0x0, 0x0, 0x0}, v2_double =3D {0x0, 0x0}, v16_int8 =3D {0x0 }, v8_int16 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 =3D {0x0, 0x0, 0x0, 0x0}, v2_int64 =3D {0x0, 0x0}, uint128 =3D 0x00000000000000000000000000000000} xmm1 {v4_float =3D {0x0, 0x0, 0x0, 0x0}, v2_double =3D {0x0, 0x0}, v16_int8 =3D {0x0 }, v8_int16 =3D {0x0, 0x0, 0x0, ---Type to continue, or q to quit--- 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 =3D {0x0, 0x0, 0x0, 0x0}, v2_int64 =3D {0x0, 0x0}, uint128 =3D 0x00000000000000000000000000000000} xmm2 {v4_float =3D {0x0, 0x0, 0x0, 0x0}, v2_double =3D {0x0, 0x0}, v16_int8 =3D {0x0 }, v8_int16 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 =3D {0x0, 0x0, 0x0, 0x0}, v2_int64 =3D {0x0, 0x0}, uint128 =3D 0x00000000000000000000000000000000} xmm3 {v4_float =3D {0x0, 0x0, 0x0, 0x0}, v2_double =3D {0x0, 0x0}, v16_int8 =3D {0x0 }, v8_int16 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 =3D {0x0, 0x0, 0x0, 0x0}, v2_int64 =3D {0x0, 0x0}, uint128 =3D 0x00000000000000000000000000000000} xmm4 {v4_float =3D {0x0, 0x0, 0x0, 0x0}, v2_double =3D {0x0, 0x0}, v16_int8 =3D {0x0 }, v8_int16 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 =3D {0x0, 0x0, 0x0, 0x0}, v2_int64 =3D {0x0, 0x0}, uint128 =3D 0x00000000000000000000000000000000} xmm5 {v4_float =3D {0x0, 0x0, 0x0, 0x0}, v2_double =3D {0x0, 0x0}, v16_int8 =3D {0x0 }, v8_int16 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 =3D {0x0, 0x0, 0x0, 0x0}, v2_int64 =3D {0x0, 0x0}, uint128 =3D 0x00000000000000000000000000000000} xmm6 {v4_float =3D {0x0, 0x0, 0x0, 0x0}, v2_double =3D {0x0, 0x0}, v16_int8 =3D {0x0 }, v8_int16 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 =3D {0x0, 0x0, 0x0, 0x0}, v2_int64 =3D {0x0, 0x0}, uint128 =3D 0x00000000000000000000000000000000} xmm7 {v4_float =3D {0x0, 0x0, 0x0, 0x0}, v2_double =3D {0x0, 0x0}, v16_int8 =3D {0x0 }, v8_int16 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 =3D {0x0, 0x0, 0x0, 0x0}, v2_int64 =3D {0x0, 0x0}, uint128 =3D 0x00000000000000000000000000000000} mxcsr 0x1f80 [ IM DM ZM OM UM PM ] mm0 {uint64 =3D 0x0, v2_int32 =3D {0x0, 0x0}, v4_int16 =3D {0x0, 0x0, 0x0, 0x0}, v8_int8 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}} mm1 {uint64 =3D 0x0, v2_int32 =3D {0x0, 0x0}, v4_int16 =3D {0x0, 0x0, 0x0, 0x0}, v8_int8 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}} mm2 {uint64 =3D 0x0, v2_int32 =3D {0x0, 0x0}, v4_int16 =3D {0x0, 0x0, 0x0, 0x0}, v8_int8 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}} mm3 {uint64 =3D 0x0, v2_int32 =3D {0x0, 0x0}, v4_int16 =3D {0x0, 0x0, 0x0, 0x0}, v8_int8 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}} mm4 {uint64 =3D 0x0, v2_int32 =3D {0x0, 0x0}, v4_int16 =3D {0x0, 0x0, 0x0, 0x0}, v8_int8 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}} mm5 {uint64 =3D 0x0, v2_int32 =3D {0x0, 0x0}, v4_int16 =3D {0x0, 0x0, 0x0, 0x0}, v8_int8 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}} mm6 {uint64 =3D 0x0, v2_int32 =3D {0x0, 0x0}, v4_int16 =3D {0x0, 0x0, 0x0, 0x0}, v8_int8 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}} mm7 {uint64 =3D 0x0, v2_int32 =3D {0x0, 0x0}, v4_int16 =3D {0x0, 0x0, 0x0, 0x0}, v8_int8 =3D {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}} (gdb) On Tue, Aug 4, 2009 at 22:25, paawan oza wrote: > > Hi Hui, > > tested following line. > line 54: > result =3D fmodf(no2,no1); > > please see the log below. all registers are same. > > ****************************************************************** > (gdb) n > 52 =A0 =A0 =A0 =A0printf("result is %f\n",result); > (gdb) n > result is 369.438751 > 54 =A0 =A0 =A0 =A0result =3D fmodf(no2,no1); > (gdb) info all-registers > st0 =A0 =A0 =A0 =A0 =A0 =A00 =A0 =A0 =A0 =A0(raw 0x00000000000000000000) > st1 =A0 =A0 =A0 =A0 =A0 =A00 =A0 =A0 =A0 =A0(raw 0x00000000000000000000) > st2 =A0 =A0 =A0 =A0 =A0 =A00 =A0 =A0 =A0 =A0(raw 0x00000000000000000000) > st3 =A0 =A0 =A0 =A0 =A0 =A00 =A0 =A0 =A0 =A0(raw 0x00000000000000000000) > st4 =A0 =A0 =A0 =A0 =A0 =A00 =A0 =A0 =A0 =A0(raw 0x00000000000000000000) > st5 =A0 =A0 =A0 =A0 =A0 =A00 =A0 =A0 =A0 =A0(raw 0x00000000000000000000) > st6 =A0 =A0 =A0 =A0 =A0 =A088.87999725341796875 =A0 =A0 (raw 0x4005b1c28f= 0000000000) > st7 =A0 =A0 =A0 =A0 =A0 =A0369.438751220703125 =A0 =A0 =A0(raw 0x4007b8b8= 290000000000) > fctrl =A0 =A0 =A0 =A0 =A00x37f =A0 =A0895 > fstat =A0 =A0 =A0 =A0 =A00x20 =A0 =A0 32 > ftag =A0 =A0 =A0 =A0 =A0 0xffff =A0 65535 > fiseg =A0 =A0 =A0 =A0 =A00x73 =A0 =A0 115 > fioff =A0 =A0 =A0 =A0 =A00xb7eccd27 =A0 =A0 =A0 -1209217753 > foseg =A0 =A0 =A0 =A0 =A00x7b =A0 =A0 123 > fooff =A0 =A0 =A0 =A0 =A00xbfffc0d4 =A0 =A0 =A0 -1073757996 > fop =A0 =A0 =A0 =A0 =A0 =A00x0 =A0 =A0 =A00 > (gdb) n > 55 =A0 =A0 =A0 =A0printf("result is %f\n",result); > (gdb) > result is 10.320001 > 57 =A0 =A0 =A0 =A0resultd =3D fmod(x,y); > (gdb) reverse-next > 55 =A0 =A0 =A0 =A0printf("result is %f\n",result); > (gdb) > 54 =A0 =A0 =A0 =A0result =3D fmodf(no2,no1); > (gdb) > 52 =A0 =A0 =A0 =A0printf("result is %f\n",result); > (gdb) info all-registers > st0 =A0 =A0 =A0 =A0 =A0 =A00 =A0 =A0 =A0 =A0(raw 0x00000000000000000000) > st1 =A0 =A0 =A0 =A0 =A0 =A00 =A0 =A0 =A0 =A0(raw 0x00000000000000000000) > st2 =A0 =A0 =A0 =A0 =A0 =A00 =A0 =A0 =A0 =A0(raw 0x00000000000000000000) > st3 =A0 =A0 =A0 =A0 =A0 =A00 =A0 =A0 =A0 =A0(raw 0x00000000000000000000) > st4 =A0 =A0 =A0 =A0 =A0 =A00 =A0 =A0 =A0 =A0(raw 0x00000000000000000000) > st5 =A0 =A0 =A0 =A0 =A0 =A00 =A0 =A0 =A0 =A0(raw 0x00000000000000000000) > st6 =A0 =A0 =A0 =A0 =A0 =A088.87999725341796875 =A0 =A0 (raw 0x4005b1c28f= 0000000000) > st7 =A0 =A0 =A0 =A0 =A0 =A0369.43873691558837890625 (raw 0x4007b8b8288800= 000000) > fctrl =A0 =A0 =A0 =A0 =A00x37f =A0 =A0895 > fstat =A0 =A0 =A0 =A0 =A00x20 =A0 =A0 32 > ftag =A0 =A0 =A0 =A0 =A0 0xffff =A0 65535 > fiseg =A0 =A0 =A0 =A0 =A00x73 =A0 =A0 115 > fioff =A0 =A0 =A0 =A0 =A00xb7eccd27 =A0 =A0 =A0 -1209217753 > foseg =A0 =A0 =A0 =A0 =A00x7b =A0 =A0 123 > fooff =A0 =A0 =A0 =A0 =A00xbfffc0d4 =A0 =A0 =A0 -1073757996 > fop =A0 =A0 =A0 =A0 =A0 =A00x0 =A0 =A0 =A00 > (gdb) > ****************************************************************** > > --- On Tue, 8/4/09, Hui Zhu wrote: > >> From: Hui Zhu >> Subject: Re: final i386.floating.record.patch >> To: "paawan oza" >> Cc: "Michael Snyder" , "gdb-patches@sourceware.org" = >> Date: Tuesday, August 4, 2009, 7:28 PM >> I think you can do it with youself. >> >> Hui >> >> On Tue, Aug 4, 2009 at 21:05, paawan oza >> wrote: >> > >> > Hi, >> > >> > As I understand you have tried to run the example test >> code which I had sent earlier. >> > >> > please let me know at which c statement (or insn) it >> is causing this ? >> > So I can dig into it more. >> > >> > Thanks & Regards, >> > Oza. >> > >> > >> > --- On Tue, 8/4/09, paawan oza >> wrote: >> > >> >> From: paawan oza >> >> Subject: Re: final i386.floating.record.patch >> >> To: "Hui Zhu" >> >> Cc: "Michael Snyder" , >> "gdb-patches@sourceware.org" >> >> >> Date: Tuesday, August 4, 2009, 6:32 PM >> >> Hi Hui, >> >> I am not sure which test case (insn)=A0 caused >> this. >> >> would you please send me the example (.c file) >> which you >> >> have tried to run ? >> >> please also try to let me know at which insn (at >> which >> >> point it fails). >> >> Regards, >> >> Oza. >> >> >> >> --- On Tue, 8/4/09, Hui Zhu >> >> wrote: >> >> >> >> > From: Hui Zhu >> >> > Subject: Re: final >> i386.floating.record.patch >> >> > To: "paawan oza" >> >> > Cc: "Michael Snyder" , >> >> "gdb-patches@sourceware.org" >> >> >> >> > Date: Tuesday, August 4, 2009, 8:49 AM >> >> > Hi Paawan, >> >> > >> >> > Thanks for your work. >> >> > >> >> > I do a some test works with the test code >> that you >> >> sent in >> >> > before. >> >> > I get the values of fp reg with command >> "info >> >> > all-registers". >> >> > >> >> > It looks like some fp reg's values not right >> in >> >> replay >> >> > mode. >> >> > >> >> > In record mode they are: >> >> > fctrl >> >> > 0x37f=A0=A0=A0 895 >> >> > fstat >> >> > 0x0=A0=A0=A0 0 >> >> > ftag >> >> > =A0=A0=A00xffff=A0=A0=A0 65535 >> >> > fiseg >> >> > 0x0=A0=A0=A0 0 >> >> > fioff >> >> > 0x0=A0=A0=A0 0 >> >> > ---Type to continue, or q >> >> to >> >> > quit--- >> >> > foseg >> >> > 0x0=A0=A0=A0 0 >> >> > fooff >> >> > 0x0=A0=A0=A0 0 >> >> > fop >> >> > 0x0=A0=A0=A0 0 >> >> > >> >> > In replay mode they are: >> >> > fctrl >> >> > 0x37f=A0=A0=A0 895 >> >> > fstat >> >> > 0x6069=A0=A0=A0 24681 >> >> > ftag >> >> > =A0=A0=A00x557f=A0=A0=A0 21887 >> >> > fiseg >> >> > 0x73=A0=A0=A0 115 >> >> > fioff >> >> > 0x8048bfd=A0=A0=A0 134515709 >> >> > ---Type to continue, or q >> >> to >> >> > quit--- >> >> > foseg >> >> > 0x7b=A0=A0=A0 123 >> >> > fooff >> >> > 0x0=A0=A0=A0 0 >> >> > fop >> >> > 0x2e9=A0=A0=A0 745 >> >> > >> >> > >> >> > >> >> > Thanks, >> >> > Hui >> >> > >> >> > >> >> > #include >> >> > #include >> >> > #include >> >> > >> >> > /* the test intends to test following insns. >> >> > flds faddp fstps fstpl fldl fxch fabs fdivrp >> fmulp >> >> fsubrp >> >> > fucomp fnstsw fsqrt >> >> > fchs f2xm1 fyl2x fxtract fprem1 fld fdecstp >> fld1 >> >> fldl2t >> >> > fldl2e FLDPI >> >> > FLDLG2 FLDLN2 >> >> > FLDZ fincstp ffree fptan fpatan fincstp >> fsincos >> >> frndint >> >> > fscale fsin fcos fcmovb >> >> > fcmovbe fcmove fcmovu fcmovnb fcmovnbe fsave >> frstor >> >> fstsw >> >> > */ >> >> > >> >> > float no1,no2,no3,no4,no5,no6,no7; >> >> > double x =3D 100.345, y =3D 25.7789; >> >> > long double ldx =3D 88888888888888888888.88, >> ldy =3D >> >> > 9999999999999999999.99; >> >> > float result,resultd,resultld; >> >> > float *float_memory; >> >> > >> >> > /* initialization of floats */ >> >> > void init_floats() >> >> > { >> >> >=A0 no1 =3D 10.45; >> >> >=A0 no2 =3D 20.77; >> >> >=A0 no3 =3D 156.89874646; >> >> >=A0 no4 =3D 14.56; >> >> >=A0 no5 =3D 11.11; >> >> >=A0 no6 =3D 66.77; >> >> >=A0 no7 =3D 88.88; >> >> >=A0 float_memory =3D malloc(sizeof(float) * 4); >> >> >=A0 *float_memory =3D 256.256; >> >> >=A0 *(float_memory + 1) =3D 356.356; >> >> >=A0 *(float_memory + 2) =3D 456.456; >> >> >=A0 *(float_memory + 3) =3D 556.556; >> >> > } >> >> > >> >> > /* marks FPU stack as empty */ >> >> > void empty_fpu_stack() >> >> > { >> >> >=A0 asm ("ffree %st(1) \n\t" >> >> > =A0 =A0 =A0 "ffree %st(2) \n\t" >> >> > =A0 =A0 =A0 "ffree %st(3) \n\t" >> >> > =A0 =A0 =A0 "ffree %st(4) \n\t" >> >> > =A0 =A0 =A0 "ffree %st(5) \n\t" >> >> > =A0 =A0 =A0 "ffree %st(6) \n\t" >> >> > =A0 =A0 =A0 "ffree %st(7)"); >> >> > } >> >> > >> >> > /* tests floating point arithmatic */ >> >> > void test_arith_floats() >> >> > { >> >> >=A0 result =3D no1 + no2 + no3 + no4 + no5 + no6 >> + >> >> no7; >> >> >=A0 printf("result is %f\n",result); >> >> > >> >> >=A0 result =3D fmodf(no2,no1); >> >> >=A0 printf("result is %f\n",result); >> >> > >> >> >=A0 resultd =3D fmod(x,y); >> >> >=A0 printf("result is %f\n",resultd); >> >> > >> >> >=A0 resultld =3D fmodl(ldy,ldy); >> >> >=A0 printf("result is %f\n",resultld); >> >> > >> >> >=A0 result =3D fabsf(no1); >> >> >=A0 printf("result is %f\n",result); >> >> > >> >> >=A0 result =3D no3 / no4; >> >> >=A0 printf("result is %f\n",result); >> >> > >> >> >=A0 result =3D no1 * no2 * no3 * no4; >> >> >=A0 printf("result is %f\n",result); >> >> > >> >> >=A0 result =3D no1 - no2 - no3 - no4; >> >> >=A0 printf("result is %f\n",result); >> >> > >> >> > >> >> >=A0 asm ("fld %0" : :"m"(*float_memory)); >> >> >=A0 asm ("fchs"); >> >> > >> >> >=A0 /* test for f2xm1 */ >> >> >=A0 asm ("fld %0" : :"m"(*float_memory)); >> >> >=A0 asm ("f2xm1"); >> >> > >> >> >=A0 asm ("fyl2x"); >> >> > >> >> >=A0 asm ("fld %0" : :"m"(*float_memory)); >> >> >=A0 asm ("fxtract"); >> >> > >> >> >=A0 asm ("fld %0" : :"m"(*float_memory)); >> >> >=A0 asm ("fprem1"); >> >> > >> >> >=A0 /* decrement fpu stack pointer only status >> >> register should >> >> > get affected */ >> >> >=A0 asm ("fld %0" : :"m"(*float_memory)); >> >> > >> >> >=A0 empty_fpu_stack(); >> >> > >> >> >=A0 asm ("fld1"); >> >> >=A0 asm ("fldl2t"); >> >> >=A0 asm ("fldl2e"); >> >> >=A0 asm ("fldpi"); >> >> >=A0 asm ("fldlg2"); >> >> >=A0 asm ("fldln2"); >> >> >=A0 asm ("fldz"); >> >> > >> >> >=A0 empty_fpu_stack(); >> >> >=A0 /* finishing emptying the stack */ >> >> > >> >> >=A0 result =3D sqrt(no3); >> >> >=A0 printf("result is %f\n",result); >> >> > } >> >> > >> >> > void test_log_exp_floats() >> >> > { >> >> >=A0 result =3D log10(no3); >> >> >=A0 printf("result is %f\n",result); >> >> > >> >> >=A0 result =3D log(no3); >> >> >=A0 printf("result is %f\n",result); >> >> > >> >> >=A0 result =3D exp10(no3); >> >> >=A0 printf("result is %f\n",result); >> >> > >> >> >=A0 result =3D exp(no3); >> >> >=A0 printf("result is %f\n",result); >> >> > } >> >> > >> >> > void test_trigo_floats() >> >> > { >> >> >=A0 result =3D sin(30); >> >> >=A0 printf("result is %f\n",result); >> >> > >> >> >=A0 result =3D cos(30); >> >> >=A0 printf("result is %f\n",result); >> >> > >> >> >=A0 result =3D tan(30); >> >> >=A0 printf("result is %f\n",result); >> >> > >> >> >=A0 result =3D atan(30); >> >> >=A0 printf("result is %f\n",result); >> >> > >> >> >=A0 asm ("fld %0" : :"m"(*float_memory)); >> >> >=A0 asm ("fptan"); >> >> > >> >> >=A0 /* changes st1 and popping register stack >> */ >> >> >=A0 asm ("fpatan"); >> >> > >> >> >=A0 asm("fincstp"); >> >> >=A0 asm ("fld %0" : :"m"(float_memory)); >> >> >=A0 asm ("fsincos"); >> >> > >> >> >=A0 asm ("fld %0" : :"m"(*float_memory)); >> >> >=A0 asm ("frndint"); >> >> > >> >> >=A0 asm ("fld %0" : :"m"(*float_memory)); >> >> >=A0 asm ("fld %0" : :"m"(*(float_memory+1))); >> >> >=A0 asm ("fscale"); >> >> > >> >> >=A0 empty_fpu_stack(); >> >> > >> >> >=A0 asm ("fld %0" : :"m"(*float_memory)); >> >> >=A0 asm ("fsin"); >> >> >=A0 asm ("fcos"); >> >> > >> >> >=A0 /* currently we assume condition likely >> and >> >> always record >> >> > the registers >> >> >=A0 code could be optimized only if the flag is >> set >> >> then >> >> > record */ >> >> >=A0 asm ("fld %0" : :"m"(*float_memory)); >> >> >=A0 asm ("fld %0" : :"m"(*(float_memory+1))); >> >> >=A0 asm ("fcmovb %st(1), %st"); >> >> >=A0 asm ("fcmovbe %st(1), %st"); >> >> >=A0 asm ("fcmove %st(1), %st"); >> >> >=A0 asm ("fcmovu %st(1), %st"); >> >> >=A0 asm ("fcmovnb %st(1), %st"); >> >> >=A0 asm ("fcmovnbe %st(1), %st"); >> >> > >> >> >=A0 empty_fpu_stack(); >> >> >=A0 /* finished emtyping the stack */ >> >> > } >> >> > >> >> > void test_compare_floats() >> >> > { >> >> > =A0=A0=A0ldy =3D 88888888888888888888.88; >> >> > =A0=A0=A0if (ldx =3D=3D ldy) >> >> > =A0 =A0=A0=A0ldy =3D >> >> > 7777777777777777777777777777.777; >> >> > =A0=A0=A0else >> >> > =A0 =A0=A0=A0ldy =3D >> >> > 666666666666666666666666666.666; >> >> > } >> >> > >> >> > /* test loading and saving of FPU environment >> */ >> >> > void test_fpu_env() >> >> > { >> >> >=A0 asm ("fsave %0" : "=3Dm"(*float_memory) : ); >> >> >=A0 asm ("frstor %0" : : "m"(*float_memory)); >> >> >=A0 asm ("fstsw %ax"); >> >> > } >> >> > >> >> > int main() >> >> > { >> >> > =A0=A0=A0init_floats(); >> >> > =A0=A0=A0test_arith_floats(); >> >> > =A0=A0=A0test_log_exp_floats(); >> >> > =A0=A0=A0test_trigo_floats(); >> >> > =A0=A0=A0test_compare_floats(); >> >> > =A0=A0=A0test_fpu_env(); >> >> > } >> >> > >> >> > >> >> > >> >> > >> >> > On Mon, Aug 3, 2009 at 22:56, paawan >> oza >> >> > wrote: >> >> > > Hi, >> >> > > >> >> > > please find the patch attached. I have >> attached >> >> as per >> >> > your suggestion. >> >> > > I am attaching it from opera browser. >> >> > > >> >> > > Regards, >> >> > > Oza. >> >> > > >> >> > > --- On Thu, 7/30/09, Michael Snyder >> >> >> > wrote: >> >> > > >> >> > >> From: Michael Snyder >> >> > >> Subject: Re: final >> >> i386.floating.record.patch >> >> > >> To: "paawan oza" >> >> > >> Cc: "gdb-patches@sourceware.org" >> >> > >> >> > >> Date: Thursday, July 30, 2009, 11:31 >> PM >> >> > >> paawan oza wrote: >> >> > >> > Hi, >> >> > >> > >> >> > >> > please find my answers below. >> >> > >> > >> >> > >> >=A0 1) Are you using a Windows >> machine to >> >> send >> >> > your >> >> > >> >=A0 emails?=A0 If so, >> >> > >> >=A0 is it possible that there is >> a >> >> Unix/Linux >> >> > >> machine you could >> >> > >> >=A0 try >> >> > >> >=A0 sending from?=A0 Your >> attachments look >> >> OK >> >> > for >> >> > >> me, but >> >> > >> >=A0 some people >> >> > >> >=A0 seem to have had problems >> with them. >> >> > >> > >> >> > >> > Oza : I used to send all from >> windows >> >> till >> >> > now. >> >> > >> > but this patch I sent it from >> >> Linux...from >> >> > opera. >> >> > >> >=A0=A0=A02) And are you using >> cut-and-paste >> >> to >> >> > >> insert the patches >> >> > >> >=A0 into the >> >> > >> >=A0 body of your email?=A0 That >> would >> >> certainly >> >> > >> cause >> >> > >> >=A0 problems, because >> >> > >> >=A0 tabs might be changed into >> spaces >> >> (which >> >> > is >> >> > >> exactly what >> >> > >> >=A0 was >> >> > >> >=A0 causing patch to fail for me >> today). >> >> > >> >=A0 Oza: yes I am using >> copy-paste....I >> >> dont >> >> > know >> >> > >> any-other way. >> >> > >> > because attachmenet are not >> welcome, so >> >> I am >> >> > not sure >> >> > >> how I could proceed with this. >> >> > >> >> >> > >> It's not that attachments are not >> welcome. >> >> > >> There are various binary encodings >> for >> >> > attachments, and >> >> > >> some of those binary encodings are >> not >> >> welcome. >> >> > I >> >> > >> think >> >> > >> because there's no open-source way >> of >> >> decoding >> >> > them. >> >> > >> >> >> > >> If you look at the list, you'll see >> that >> >> > attachments are >> >> > >> used a lot. >> >> > >> >> >> > >> Copy-and-paste, though, in general >> will not >> >> work, >> >> > because >> >> > >> it >> >> > >> usually changes tabs into spaces, >> which ruins >> >> a >> >> > patch. >> >> > >> >> >> > >> >> >> > >> > I will send you updated >> patch.....may be >> >> I >> >> > might have >> >> > >> mistaken of old gdb file. sorry for >> >> incovenience. >> >> > >> >> >> > >> I think it was just the >> tabs-to-spaces >> >> issue. >> >> > >> Why don't you try sending an >> attachment from >> >> > Opera? >> >> > >> >> >> > >> >> >> > > >> >> > > >> >> > > >> >> > >> >> >> >> >> >> >> >> >> > >> > >> > >> > >> > > > >