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emacs/mps/code/notes/xcppgc-hi-disassembly.txt
Richard Kistruck 1d6d74650b Mps br/timing notes: disassembly of gcc -o1 output showing ambiguous interior pointers. 
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Last login: Wed Feb 4 12:28:26 on ttyp9
Welcome to Darwin!
SMART Status: Verified
duck:~ richardk$ cd mps/branch/2008-10-30/timing/code/
duck:~/mps/branch/2008-10-30/timing/code richardk$
duck:~/mps/branch/2008-10-30/timing/code richardk$
duck:~/mps/branch/2008-10-30/timing/code richardk$
duck:~/mps/branch/2008-10-30/timing/code richardk$ gcc ./xcppgc/ci/mpsicv 16993
powerpc-apple-darwin8-gcc-4.0.1: 16993: No such file or directory
duck:~/mps/branch/2008-10-30/timing/code richardk$ gcc ./xcppgc/ci/mpsicv 16993
powerpc-apple-darwin8-gcc-4.0.1: 16993: No such file or directory
duck:~/mps/branch/2008-10-30/timing/code richardk$ gcc mpsicv 16993
powerpc-apple-darwin8-gcc-4.0.1: mpsicv: No such file or directory
powerpc-apple-darwin8-gcc-4.0.1: 16993: No such file or directory
powerpc-apple-darwin8-gcc-4.0.1: no input files
duck:~/mps/branch/2008-10-30/timing/code richardk$ gdb ./xcppgc/ci/mpsicv 16993
GNU gdb 6.3.50-20050815 (Apple version gdb-477) (Sun Apr 30 20:06:22 GMT 2006)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "powerpc-apple-darwin"...Reading symbols for shared libraries .. done
/Users/richardk/mps/branch/2008-10-30/timing/code/16993: No such file or directory.
Attaching to program: `/Users/richardk/mps/branch/2008-10-30/timing/code/xcppgc/ci/mpsicv', process 16993.
Reading symbols for shared libraries . done
0x000138a4 in ArenaCheck (arena=0x19e000) at arena.c:120
120 CHECKL(arena->alignment >= MPS_PF_ALIGN);
(gdb) bt
#0 0x000138a4 in ArenaCheck (arena=0x19e000) at arena.c:120
#1 0x0001c578 in ChunkOfAddr (chunkReturn=0xbffff2ac, arena=0x19e000, addr=0x3e3d000) at tract.c:317
#2 0x0002fe80 in SegCheck (seg=0x3fea8c0) at seg.c:639
#3 0x0003fe6c in ShieldCover (arena=0x19e000, seg=0x3fea8c0) at shield.c:295
#4 0x0005c9c4 in AMCFix (pool=0x3fd00a8, ss=0xbffff710, seg=0x3fea8c0, refIO=0x3baf078) at poolamc.c:1741
#5 0x00027e5c in TraceFix (ss=0xbffff710, refIO=0x3baf078) at trace.c:1196
#6 0x00004b64 in dylan_scan_contig (mps_ss=0xbffff710, base=0x3baf060, limit=0x3baf084) at fmtdy.c:222
#7 0x00005604 in dylan_scan1 (mps_ss=0xbffff710, object_io=0xbffff61c) at fmtdy.c:468
#8 0x000057a0 in dylan_scan (mps_ss=0xbffff710, base=0x3baf058, limit=0x3baf4e0) at fmtdy.c:515
#9 0x0005bdb8 in AMCScan (totalReturn=0xbffff70c, ss=0xbffff710, pool=0x3fd00a8, seg=0x3fbd480) at poolamc.c:1487
#10 0x000219a0 in PoolScan (totalReturn=0xbffff70c, ss=0xbffff710, pool=0x3fd00a8, seg=0x3fbd480) at pool.c:404
#11 0x0002760c in traceScanSegRes (ts=1, rank=1, arena=0x19e000, seg=0x3fbd480) at trace.c:1038
#12 0x00027888 in traceScanSeg (ts=1, rank=1, arena=0x19e000, seg=0x3fbd480) at trace.c:1097
#13 0x0002925c in TraceQuantum (trace=0x19e344) at trace.c:1698
#14 0x0002af9c in ArenaPark (globals=0x19e000) at traceanc.c:587
#15 0x0002b13c in ArenaCollect (globals=0x19e000, why=5) at traceanc.c:630
#16 0x000080f4 in mps_arena_collect (mps_space=0x19e000) at mpsi.c:400
#17 0x00004040 in test (arg=0x19e000, s=0) at mpsicv.c:476
#18 0x00057354 in ProtTramp (resultReturn=0xbffffb14, f=0x36dc <test>, p=0x19e000, s=0) at protix.c:139
#19 0x0000ac04 in mps_tramp (r_o=0xbffffb14, f=0x36dc <test>, p=0x19e000, s=0) at mpsi.c:1430
#20 0x00004230 in main (argc=1, argv=0xbffffbec) at mpsicv.c:518
(gdb) q
The program is running. Quit anyway (and detach it)? (y or n) y
Detaching from program: `/Users/richardk/mps/branch/2008-10-30/timing/code/xcppgc/ci/mpsicv', process 16993 thread 0xd03.
duck:~/mps/branch/2008-10-30/timing/code richardk$ gdb ./xcppgc/hi/zcoll 17375
GNU gdb 6.3.50-20050815 (Apple version gdb-477) (Sun Apr 30 20:06:22 GMT 2006)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "powerpc-apple-darwin"...Reading symbols for shared libraries .. done
/Users/richardk/mps/branch/2008-10-30/timing/code/17375: No such file or directory.
Attaching to program: `/Users/richardk/mps/branch/2008-10-30/timing/code/xcppgc/hi/zcoll', process 17375.
Reading symbols for shared libraries . done
0x00000000 in ?? ()
(gdb) bt
#0 0x00000000 in ?? ()
Cannot access memory at address 0x0
Cannot access memory at address 0x0
Cannot access memory at address 0x0
#1 0x000397e8 in sigHandle (sig=Cannot access memory at address 0x0
Cannot access memory at address 0x0
Cannot access memory at address 0x0
10, info=0xbffff2d8, contextArg=0xbffff318) at protxcpp.c:110
#2 <signal handler called>
#3 CatalogDo (arena=0x18f000, ap=0x3ffe514) at zcoll.c:331
#4 0x000036f4 in testscriptC (arena=0x18f000, ap=0x3ffe514, script=0x3fa6c ", Katalog(), Collect.") at zcoll.c:398
#5 0x000039f0 in testscriptB (arg=0x3ffe1c8, s=259940) at zcoll.c:509
#6 0x0003974c in ProtTramp (resultReturn=0xbffffad4, f=0x3884 <testscriptB>, p=0xbffffac8, s=12) at protix.c:139
#7 0x00006d54 in mps_tramp (r_o=0xbffffad4, f=0x3884 <testscriptB>, p=0xbffffac8, s=12) at mpsi.c:1430
#8 0x00003b04 in testscriptA (script=0x3fa6c ", Katalog(), Collect.") at zcoll.c:552
#9 0x00003b5c in main (argc=0, argv=0x3f764) at zcoll.c:576
(gdb) disas CatalogDo
Dump of assembler code for function CatalogDo:
0x00003344 <CatalogDo+0>: mflr r0
0x00003348 <CatalogDo+4>: stmw r17,-60(r1)
0x0000334c <CatalogDo+8>: stw r0,8(r1)
0x00003350 <CatalogDo+12>: stwu r1,-144(r1)
0x00003354 <CatalogDo+16>: bcl- 20,4*cr7+so,0x3358 <CatalogDo+20>
0x00003358 <CatalogDo+20>: mflr r31
0x0000335c <CatalogDo+24>: mr r22,r3
0x00003360 <CatalogDo+28>: mr r27,r4
0x00003364 <CatalogDo+32>: addi r3,r1,56
0x00003368 <CatalogDo+36>: li r5,11
0x0000336c <CatalogDo+40>: bl 0x4700 <make_dylan_vector>
0x00003370 <CatalogDo+44>: addis r4,r31,4
0x00003374 <CatalogDo+48>: addi r4,r4,-15356
0x00003378 <CatalogDo+52>: bl 0x3ea08 <die>
0x0000337c <CatalogDo+56>: lis r0,3
0x00003380 <CatalogDo+60>: ori r0,r0,10409
0x00003384 <CatalogDo+64>: lwz r2,56(r1)
0x00003388 <CatalogDo+68>: stw r0,8(r2)
0x0000338c <CatalogDo+72>: lwz r29,56(r1)
0x00003390 <CatalogDo+76>: addis r2,r31,6
0x00003394 <CatalogDo+80>: stw r29,-10840(r2)
0x00003398 <CatalogDo+84>: mr r3,r22
0x0000339c <CatalogDo+88>: bl 0x3084 <get>
0x000033a0 <CatalogDo+92>: addis r3,r31,6
0x000033a4 <CatalogDo+96>: lwz r3,-11808(r3)
0x000033a8 <CatalogDo+100>: addi r3,r3,88
0x000033ac <CatalogDo+104>: bl 0x3f000 <dyld_stub_fflush>
0x000033b0 <CatalogDo+108>: bl 0x31e8 <CatalogCheck>
0x000033b4 <CatalogDo+112>: mr r23,r29
0x000033b8 <CatalogDo+116>: li r20,0
0x000033bc <CatalogDo+120>: addis r19,r31,4
0x000033c0 <CatalogDo+124>: addis r2,r31,6
0x000033c4 <CatalogDo+128>: lwz r18,-11808(r2)
0x000033c8 <CatalogDo+132>: addis r17,r31,4
0x000033cc <CatalogDo+136>: lis r21,2
0x000033d0 <CatalogDo+140>: ori r21,r21,39045
0x000033d4 <CatalogDo+144>: addis r26,r31,4
0x000033d8 <CatalogDo+148>: lis r28,2
0x000033dc <CatalogDo+152>: ori r28,r28,49605
0x000033e0 <CatalogDo+156>: addi r3,r1,56
0x000033e4 <CatalogDo+160>: mr r4,r27
0x000033e8 <CatalogDo+164>: li r5,101
0x000033ec <CatalogDo+168>: bl 0x4700 <make_dylan_vector>
0x000033f0 <CatalogDo+172>: addi r4,r19,-15348
0x000033f4 <CatalogDo+176>: bl 0x3ea08 <die>
0x000033f8 <CatalogDo+180>: lis r0,2
0x000033fc <CatalogDo+184>: ori r0,r0,60025
0x00003400 <CatalogDo+188>: lwz r2,56(r1)
0x00003404 <CatalogDo+192>: stw r0,8(r2)
0x00003408 <CatalogDo+196>: lwz r29,56(r1)
0x0000340c <CatalogDo+200>: stw r29,12(r23)
0x00003410 <CatalogDo+204>: mr r3,r22
0x00003414 <CatalogDo+208>: bl 0x3084 <get>
0x00003418 <CatalogDo+212>: addis r3,r31,4
0x0000341c <CatalogDo+216>: addi r3,r3,-15340
0x00003420 <CatalogDo+220>: mr r4,r20
0x00003424 <CatalogDo+224>: bl 0x3ead8 <printf$LDBLStub>
0x00003428 <CatalogDo+228>: addi r3,r18,88
0x0000342c <CatalogDo+232>: bl 0x3f000 <dyld_stub_fflush>
0x00003430 <CatalogDo+236>: mr r24,r29
0x00003434 <CatalogDo+240>: li r25,0
0x00003438 <CatalogDo+244>: addi r3,r1,56
0x0000343c <CatalogDo+248>: mr r4,r27
0x00003440 <CatalogDo+252>: li r5,101
0x00003444 <CatalogDo+256>: bl 0x4700 <make_dylan_vector>
0x00003448 <CatalogDo+260>: addi r4,r17,-15316
0x0000344c <CatalogDo+264>: bl 0x3ea08 <die>
0x00003450 <CatalogDo+268>: lwz r2,56(r1)
0x00003454 <CatalogDo+272>: stw r21,8(r2)
0x00003458 <CatalogDo+276>: lwz r29,56(r1)
0x0000345c <CatalogDo+280>: add r2,r25,r24
0x00003460 <CatalogDo+284>: stw r29,12(r2)
0x00003464 <CatalogDo+288>: mr r3,r22
0x00003468 <CatalogDo+292>: bl 0x3084 <get>
0x0000346c <CatalogDo+296>: li r30,0
0x00003470 <CatalogDo+300>: addi r3,r1,56
0x00003474 <CatalogDo+304>: mr r4,r27
0x00003478 <CatalogDo+308>: li r5,101
0x0000347c <CatalogDo+312>: bl 0x4700 <make_dylan_vector>
0x00003480 <CatalogDo+316>: addi r4,r26,-15312
0x00003484 <CatalogDo+320>: bl 0x3ea08 <die>
0x00003488 <CatalogDo+324>: lwz r2,56(r1)
0x0000348c <CatalogDo+328>: stw r28,8(r2)
0x00003490 <CatalogDo+332>: add r2,r29,r30
0x00003494 <CatalogDo+336>: lwz r0,56(r1)
0x00003498 <CatalogDo+340>: stw r0,12(r2)
0x0000349c <CatalogDo+344>: cmpwi cr7,r30,396
0x000034a0 <CatalogDo+348>: addi r30,r30,4
0x000034a4 <CatalogDo+352>: bne+ cr7,0x3470 <CatalogDo+300>
0x000034a8 <CatalogDo+356>: cmpwi cr7,r25,396
0x000034ac <CatalogDo+360>: addi r25,r25,4
0x000034b0 <CatalogDo+364>: bne+ cr7,0x3438 <CatalogDo+244>
0x000034b4 <CatalogDo+368>: addi r23,r23,4
0x000034b8 <CatalogDo+372>: cmpwi cr7,r20,9
0x000034bc <CatalogDo+376>: addi r20,r20,1
0x000034c0 <CatalogDo+380>: bne+ cr7,0x33e0 <CatalogDo+156>
0x000034c4 <CatalogDo+384>: addis r3,r31,6
0x000034c8 <CatalogDo+388>: lwz r3,-11808(r3)
0x000034cc <CatalogDo+392>: addi r3,r3,88
0x000034d0 <CatalogDo+396>: bl 0x3f000 <dyld_stub_fflush>
0x000034d4 <CatalogDo+400>: bl 0x31e8 <CatalogCheck>
0x000034d8 <CatalogDo+404>: addi r1,r1,144
0x000034dc <CatalogDo+408>: lwz r0,8(r1)
0x000034e0 <CatalogDo+412>: mtlr r0
0x000034e4 <CatalogDo+416>: lmw r17,-60(r1)
0x000034e8 <CatalogDo+420>: blr
End of assembler dump.
(gdb)
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