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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-08 13:28:15 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-08 13:28:28 +0200 |
| commit | 5aa276efcbd67f4300ca1a7f809c6e00aadb03da (patch) | |
| tree | 9b8f0e074014cda8d42f5a97a95bc25082d8b764 /results/classifier/zero-shot-user-mode/instruction/754 | |
| parent | 1a3c4faf4e0a25ed0b86e8739d5319a634cb9112 (diff) | |
| download | qemu-analysis-5aa276efcbd67f4300ca1a7f809c6e00aadb03da.tar.gz qemu-analysis-5aa276efcbd67f4300ca1a7f809c6e00aadb03da.zip | |
restructure results
Diffstat (limited to 'results/classifier/zero-shot-user-mode/instruction/754')
| -rw-r--r-- | results/classifier/zero-shot-user-mode/instruction/754 | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/results/classifier/zero-shot-user-mode/instruction/754 b/results/classifier/zero-shot-user-mode/instruction/754 new file mode 100644 index 000000000..348bbde68 --- /dev/null +++ b/results/classifier/zero-shot-user-mode/instruction/754 @@ -0,0 +1,213 @@ +instruction: 0.351 +syscall: 0.341 +runtime: 0.308 + + + +qem_m68k : trapcs instruction causes the non-execution of the following 2 instructions +Description of problem: +In try to run following code : +``` +8004615a: 204f moveal %sp,%a0 +8004615c: b1c7 cmpal %d7,%a0 +8004615e: 55fc trapcs +80046160: 4e56 0000 linkw %fp,#0 +80046164: 2f14 movel %a4@,%sp@- +80046166: 288e movel %fp,%a4@ +80046168: c74d exg %a3,%a5 +8004616a: 48e7 3030 moveml %d2-%d3/%a2-%a3,%sp@- +8004616e: 7001 moveq #1,%d0 +80046170: 3b40 816c movew %d0,%a5@(-32404) +80046174: 7218 moveq #24,%d1 +80046176: 3b41 816a movew %d1,%a5@(-32406) +8004617a: 242d 8004 movel %a5@(-32764),%d2 +8004617e: 2b42 815c movel %d2,%a5@(-32420) +80046182: 206d 8008 moveal %a5@(-32760),%a0 +80046186: 2268 8010 moveal %a0@(-32752),%a1 +8004618a: 2b49 8158 movel %a1,%a5@(-32424) +8004618e: 42ad 8154 clrl %a5@(-32428) +80046192: 246d 8154 moveal %a5@(-32428),%a2 +80046196: 2b4a 8160 movel %a2,%a5@(-32416) +8004619a: 2b4a 8164 movel %a2,%a5@(-32412) +8004619e: 422d 8168 clrb %a5@(-32408) +800461a2: 7604 moveq #4,%d3 +800461a4: 2b43 8150 movel %d3,%a5@(-32432) +800461a8: 2668 8010 moveal %a0@(-32752),%a3 +800461ac: 2b4b 814c movel %a3,%a5@(-32436) +800461b0: 2268 8010 moveal %a0@(-32752),%a1 +800461b4: 266d 8008 moveal %a5@(-32760),%a3 +800461b8: 206b 8008 moveal %a3@(-32760),%a0 +800461bc: 4e90 jsr %a0@ +800461be: 2b48 8148 movel %a0,%a5@(-32440) +800461c2: 4cdf 0c0c moveml %sp@+,%d2-%d3/%a2-%a3 +800461c6: c74d exg %a3,%a5 +800461c8: 289f movel %sp@+,%a4@ +800461ca: 4e5e unlk %fp +800461cc: 4e75 rts +``` +When I run qemu-m68k -cpu m68020 -d in_asm,cpu, I have : +``` +---------------- +IN: +0x8004615a: moveal %sp,%a0 +0x8004615c: cmpal %d7,%a0 +0x8004615e: trapcs +0x80046160: linkw %fp,#0 +0x80046164: movel %a4@,%sp@- +0x80046166: movel %fp,%a4@ +0x80046168: exg %a3,%a5 +0x8004616a: moveml %d2-%d3/%a2-%a3,%sp@- +0x8004616e: moveq #1,%d0 +0x80046170: movew %d0,%a5@(-32404) +0x80046174: moveq #24,%d1 +0x80046176: movew %d1,%a5@(-32406) +0x8004617a: movel %a5@(-32764),%d2 +0x8004617e: movel %d2,%a5@(-32420) +0x80046182: moveal %a5@(-32760),%a0 +0x80046186: moveal %a0@(-32752),%a1 +0x8004618a: movel %a1,%a5@(-32424) +0x8004618e: clrl %a5@(-32428) +0x80046192: moveal %a5@(-32428),%a2 +0x80046196: movel %a2,%a5@(-32416) +0x8004619a: movel %a2,%a5@(-32412) +0x8004619e: clrb %a5@(-32408) +0x800461a2: moveq #4,%d3 +0x800461a4: movel %d3,%a5@(-32432) +0x800461a8: moveal %a0@(-32752),%a3 +0x800461ac: movel %a3,%a5@(-32436) +0x800461b0: moveal %a0@(-32752),%a1 +0x800461b4: moveal %a5@(-32760),%a3 +0x800461b8: moveal %a3@(-32760),%a0 +0x800461bc: jsr %a0@ + +Trace 0: 0x7f83a807e780 [00000000/8004615a/00000000/00000000] +D0 = 00000012 A0 = 8004615a F0 = 7fff ffffffffffffffff ( nan) +D1 = 00000001 A1 = 800466d6 F1 = 7fff ffffffffffffffff ( nan) +D2 = 00000000 A2 = 00000000 F2 = 7fff ffffffffffffffff ( nan) +D3 = 00000000 A3 = 8000c3b0 F3 = 7fff ffffffffffffffff ( nan) +D4 = 00000000 A4 = 8004604c F4 = 7fff ffffffffffffffff ( nan) +D5 = 00000000 A5 = 3ffd7000 F5 = 7fff ffffffffffffffff ( nan) +D6 = 00000004 A6 = 80046038 F6 = 7fff ffffffffffffffff ( nan) +D7 = 80042050 A7 = 80045ff4 F7 = 7fff ffffffffffffffff ( nan) +PC SR = 0004 T:0 I:0 UI --Z-- +FPSR = 00000000 ---- + FPCR = 0000 X RN + + +---------------- +IN: +0x80046358: lea %a1@(0,%d0:l),%a0 +0x8004635c: rts + +Trace 0: 0x7f83a807eac0 [00000000/80046358/00000000/00000000] +D0 = 00000001 A0 = 80046358 F0 = 7fff ffffffffffffffff ( nan) +D1 = 00000018 A1 = 00000000 F1 = 7fff ffffffffffffffff ( nan) +D2 = ffffffff A2 = 00000000 F2 = 7fff ffffffffffffffff ( nan) +D3 = 00000004 A3 = 8000c040 F3 = 7fff ffffffffffffffff ( nan) +D4 = 00000000 A4 = 8004604c F4 = 7fff ffffffffffffffff ( nan) +D5 = 00000000 A5 = 8000c3b0 F5 = 7fff ffffffffffffffff ( nan) +D6 = 00000004 A6 = 80046038 F6 = 7fff ffffffffffffffff ( nan) +D7 = 80042050 A7 = 80045fe0 F7 = 7fff ffffffffffffffff ( nan) +PC = 80046358 SR = 0004 T:0 I:0 UI --Z-- +FPSR = 00000000 ---- + FPCR = 0000 X RN +---------------- +``` +Stack pointer is 80045fe0, it should be 80045FD8. + +When I run with options -cpu m68020 -d in_asm,cpu,op -singlestep, I have : +``` +---------------- +IN: +0x8004615e: trapcs +0x80046160: linkw %fp,#0 +Disassembler disagrees with translator over instruction decoding +Please report this to qemu-devel@nongnu.org + +OP: + ld_i32 tmp0,env,$0xfffffffffffffff8 + brcond_i32 tmp0,$0x0,lt,$L0 + + ---- 8004615e 00000000 + mov_i32 tmp0,$0x0 + call flush_flags,$0x0,$0,env,CC_OP + setcond_i32 tmp2,CC_C,tmp0,ne + neg_i32 tmp2,tmp2 + mov_i32 tmp0,$0x56 + mov_i32 PC,$0x80046162 + exit_tb $0x0 + set_label $L0 + exit_tb $0x7fba001a75c3 + +D0 = 00000012 A0 = 80045ff4 F0 = 7fff ffffffffffffffff ( nan) +D1 = 00000001 A1 = 800466d6 F1 = 7fff ffffffffffffffff ( nan) +D2 = 00000000 A2 = 00000000 F2 = 7fff ffffffffffffffff ( nan) +D3 = 00000000 A3 = 8000c3b0 F3 = 7fff ffffffffffffffff ( nan) +D4 = 00000000 A4 = 8004604c F4 = 7fff ffffffffffffffff ( nan) +D5 = 00000000 A5 = 3ffd5000 F5 = 7fff ffffffffffffffff ( nan) +D6 = 00000004 A6 = 80046038 F6 = 7fff ffffffffffffffff ( nan) +D7 = 80042050 A7 = 80045ff4 F7 = 7fff ffffffffffffffff ( nan) +PC = 8004615e SR = 0000 T:0 I:0 UI ----- +FPSR = 00000000 ---- + FPCR = 0000 X RN +---------------- +IN: +0x80046162: orib #20,%d0 + +OP: + ld_i32 tmp0,env,$0xfffffffffffffff8 + brcond_i32 tmp0,$0x0,lt,$L0 + + ---- 80046162 00000000 + mov_i32 tmp0,$0x14 + ext8s_i32 tmp3,D0 + or_i32 tmp4,tmp3,tmp0 + and_i32 D0,D0,$0xffffff00 + ext8u_i32 tmp6,tmp4 + or_i32 D0,D0,tmp6 + ext8s_i32 CC_N,tmp4 + discard CC_C + discard CC_Z + discard CC_V + mov_i32 CC_OP,$0xb + mov_i32 PC,$0x80046166 + exit_tb $0x0 + set_label $L0 + exit_tb $0x7fba001a7683 + +D0 = 00000012 A0 = 80045ff4 F0 = 7fff ffffffffffffffff ( nan) +D1 = 00000001 A1 = 800466d6 F1 = 7fff ffffffffffffffff ( nan) +D2 = 00000000 A2 = 00000000 F2 = 7fff ffffffffffffffff ( nan) +D3 = 00000000 A3 = 8000c3b0 F3 = 7fff ffffffffffffffff ( nan) +D4 = 00000000 A4 = 8004604c F4 = 7fff ffffffffffffffff ( nan) +D5 = 00000000 A5 = 3ffd5000 F5 = 7fff ffffffffffffffff ( nan) +D6 = 00000004 A6 = 80046038 F6 = 7fff ffffffffffffffff ( nan) +D7 = 80042050 A7 = 80045ff4 F7 = 7fff ffffffffffffffff ( nan) +PC = 80046162 SR = 0000 T:0 I:0 UI ----- +FPSR = 00000000 ---- + FPCR = 0000 X RN +---------------- +IN: +0x80046166: movel %fp,%a4@ + +OP: + ld_i32 tmp0,env,$0xfffffffffffffff8 + brcond_i32 tmp0,$0x0,lt,$L0 + +... +``` +I can see that instructions +``` +0x80046160: linkw %fp,#0 +0x80046164: movel %a4@,%sp@- +``` +are not executed +and an extra instruction +``` +0x80046162: orib #20,%d0 +``` +is executed +Steps to reproduce: +Run chroot qemu-m68k qemu-m68k-static -cpu m68020 -d in_asm,cpu -D log1.txt ./test +Additional information: + |