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knknkn1162/initcode.asm

Last active September 25, 2018 04:08
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Raw
initcode.asm
initcode.o: file format elf32-i386
Disassembly of section .text:
00000000 <start>:
# exec(init, argv)
.globl start
start:
pushl $argv
0: 68 24 00 00 00 push $0x24
pushl $init
5: 68 1c 00 00 00 push $0x1c
pushl $0 // where caller pc would be
a: 6a 00 push $0x0
movl $SYS_exec, %eax
c: b8 07 00 00 00 mov $0x7,%eax
// 14.2. Now that `num = curproc->tf->eax` is equal to `$SYS_exec`, and the function associated with $SYS_exec number, sys_exec(void) is called.
// 15. pop general purpose registers
// 16. pop %ds, %es, %fs, %gs
// 17. pop errcode and trapno
// 18. call iret, which jumps back into user space -> [hardware]
int $T_SYSCALL
11: cd 40 int $0x40
00000013 <exit>:
# for(;;) exit();
exit:
movl $SYS_exit, %eax
13: b8 02 00 00 00 mov $0x2,%eax
int $T_SYSCALL
18: cd 40 int $0x40
jmp exit
1a: eb f7 jmp 13 <exit>
0000001c <init>:
1c: 2f das
1d: 69 6e 69 74 00 00 90 imul $0x90000074,0x69(%esi),%ebp
00000024 <argv>:
24: 1c 00 sbb $0x0,%al
26: 00 00 add %al,(%eax)
28: 00 00 add %al,(%eax)
...
Raw
kernel_readelf_s.log
$ readelf -s kernel
Symbol table '.symtab' contains 521 entries:
Num: Value Size Type Bind Vis Ndx Name
0: 00000000 0 NOTYPE LOCAL DEFAULT UND
1: 80100000 0 SECTION LOCAL DEFAULT 1
2: 80106460 0 SECTION LOCAL DEFAULT 2
3: 80106e4c 0 SECTION LOCAL DEFAULT 3
4: 80106e4d 0 SECTION LOCAL DEFAULT 4
5: 80107000 0 SECTION LOCAL DEFAULT 5
6: 80109520 0 SECTION LOCAL DEFAULT 6
7: 00000000 0 SECTION LOCAL DEFAULT 7
8: 00000000 0 SECTION LOCAL DEFAULT 8
9: 00000000 0 SECTION LOCAL DEFAULT 9
10: 00000000 0 SECTION LOCAL DEFAULT 10
11: 00000000 0 SECTION LOCAL DEFAULT 11
12: 00000000 0 SECTION LOCAL DEFAULT 12
13: 00000000 0 SECTION LOCAL DEFAULT 13
14: 00000000 0 SECTION LOCAL DEFAULT 14
15: 00000000 0 FILE LOCAL DEFAULT ABS bio.c
16: 00000000 0 FILE LOCAL DEFAULT ABS console.c
17: 80109520 56 OBJECT LOCAL DEFAULT 6 cons
18: 80109558 4 OBJECT LOCAL DEFAULT 6 panicked
19: 801003b0 372 FUNC LOCAL DEFAULT 1 consputc
20: 80100524 97 FUNC LOCAL DEFAULT 1 printint
21: 801064d0 17 OBJECT LOCAL DEFAULT 2 digits.1539
22: 00000000 0 FILE LOCAL DEFAULT ABS exec.c
23: 00000000 0 FILE LOCAL DEFAULT ABS file.c
24: 00000000 0 FILE LOCAL DEFAULT ABS fs.c
25: 80100fa8 250 FUNC LOCAL DEFAULT 1 balloc
26: 801010a4 190 FUNC LOCAL DEFAULT 1 iget
27: 80101164 180 FUNC LOCAL DEFAULT 1 bmap
28: 80101250 128 FUNC LOCAL DEFAULT 1 bfree
29: 80101a34 428 FUNC LOCAL DEFAULT 1 namex
30: 00000000 0 FILE LOCAL DEFAULT ABS ide.c
31: 80101cc0 166 FUNC LOCAL DEFAULT 1 idestart
32: 80109580 52 OBJECT LOCAL DEFAULT 6 idelock
33: 80109560 4 OBJECT LOCAL DEFAULT 6 havedisk1
34: 80109564 4 OBJECT LOCAL DEFAULT 6 idequeue
35: 00000000 0 FILE LOCAL DEFAULT ABS ioapic.c
36: 00000000 0 FILE LOCAL DEFAULT ABS kalloc.c
37: 00000000 0 FILE LOCAL DEFAULT ABS kbd.c
38: 801095b4 4 OBJECT LOCAL DEFAULT 6 shift.1380
39: 80106800 256 OBJECT LOCAL DEFAULT 2 shiftcode
40: 80106700 256 OBJECT LOCAL DEFAULT 2 togglecode
41: 801066e0 16 OBJECT LOCAL DEFAULT 2 charcode.1381
42: 80107200 256 OBJECT LOCAL DEFAULT 5 normalmap
43: 80107100 256 OBJECT LOCAL DEFAULT 5 shiftmap
44: 80107000 256 OBJECT LOCAL DEFAULT 5 ctlmap
45: 00000000 0 FILE LOCAL DEFAULT ABS lapic.c
46: 801022e4 100 FUNC LOCAL DEFAULT 1 fill_rtcdate
47: 00000000 0 FILE LOCAL DEFAULT ABS log.c
48: 801025e0 136 FUNC LOCAL DEFAULT 1 install_trans
49: 80102668 82 FUNC LOCAL DEFAULT 1 write_head
50: 00000000 0 FILE LOCAL DEFAULT ABS main.c
51: 801029bc 59 FUNC LOCAL DEFAULT 1 mpmain
52: 801029f8 26 FUNC LOCAL DEFAULT 1 mpenter
53: 00000000 0 FILE LOCAL DEFAULT ABS mp.c
54: 80102b34 98 FUNC LOCAL DEFAULT 1 mpsearch1
55: 00000000 0 FILE LOCAL DEFAULT ABS picirq.c
56: 00000000 0 FILE LOCAL DEFAULT ABS pipe.c
57: 00000000 0 FILE LOCAL DEFAULT ABS proc.c
58: 801030c0 188 FUNC LOCAL DEFAULT 1 allocproc
59: 80109000 4 OBJECT LOCAL DEFAULT 5 first.1581
60: 801095b8 4 OBJECT LOCAL DEFAULT 6 initproc
61: 80106ac0 24 OBJECT LOCAL DEFAULT 2 states.1607
62: 00000000 0 FILE LOCAL DEFAULT ABS sleeplock.c
63: 00000000 0 FILE LOCAL DEFAULT ABS spinlock.c
64: 00000000 0 FILE LOCAL DEFAULT ABS string.c
65: 00000000 0 FILE LOCAL DEFAULT ABS syscall.c
66: 80106b40 88 OBJECT LOCAL DEFAULT 2 syscalls
67: 00000000 0 FILE LOCAL DEFAULT ABS sysfile.c
68: 801040f4 50 FUNC LOCAL DEFAULT 1 fdalloc
69: 80104128 366 FUNC LOCAL DEFAULT 1 create
70: 80104298 92 FUNC LOCAL DEFAULT 1 argfd.constprop.0
71: 00000000 0 FILE LOCAL DEFAULT ABS sysproc.c
72: 00000000 0 FILE LOCAL DEFAULT ABS trap.c
73: 00000000 0 FILE LOCAL DEFAULT ABS uart.c
74: 80105028 39 FUNC LOCAL DEFAULT 1 uartgetc
75: 801095bc 4 OBJECT LOCAL DEFAULT 6 uart
76: 80105050 63 FUNC LOCAL DEFAULT 1 uartputc.part.0
77: 00000000 0 FILE LOCAL DEFAULT ABS vm.c
78: 80105bd0 114 FUNC LOCAL DEFAULT 1 walkpgdir
79: 80105c44 127 FUNC LOCAL DEFAULT 1 mappages
80: 80105cc4 152 FUNC LOCAL DEFAULT 1 deallocuvm.part.0
81: 80109420 64 OBJECT LOCAL DEFAULT 5 kmap
82: 80100244 244 FUNC GLOBAL DEFAULT 1 consoleread
83: 80105b27 0 NOTYPE GLOBAL DEFAULT 1 vector242
84: 8010557e 0 NOTYPE GLOBAL DEFAULT 1 vector119
85: 8010000c 0 NOTYPE GLOBAL DEFAULT 1 entry
86: 8010545e 0 NOTYPE GLOBAL DEFAULT 1 vector87
87: 80105455 0 NOTYPE GLOBAL DEFAULT 1 vector86
88: 80103f0c 51 FUNC GLOBAL DEFAULT 1 safestrcpy
89: 801043ec 63 FUNC GLOBAL DEFAULT 1 sys_close
90: 80105b93 0 NOTYPE GLOBAL DEFAULT 1 vector251
91: 80105482 0 NOTYPE GLOBAL DEFAULT 1 vector91
92: 80105278 0 NOTYPE GLOBAL DEFAULT 1 vector33
93: 80105767 0 NOTYPE GLOBAL DEFAULT 1 vector162
94: 8010374c 50 FUNC GLOBAL DEFAULT 1 yield
95: 80111680 196 OBJECT GLOBAL DEFAULT 6 log
96: 80111640 60 OBJECT GLOBAL DEFAULT 6 kmem
97: 801059cb 0 NOTYPE GLOBAL DEFAULT 1 vector213
98: 8010551b 0 NOTYPE GLOBAL DEFAULT 1 vector108
99: 80105090 156 FUNC GLOBAL DEFAULT 1 uartinit
100: 801052d2 0 NOTYPE GLOBAL DEFAULT 1 vector43
101: 80102444 27 FUNC GLOBAL DEFAULT 1 lapiceoi
102: 8010578b 0 NOTYPE GLOBAL DEFAULT 1 vector165
103: 8010587b 0 NOTYPE GLOBAL DEFAULT 1 vector185
104: 80101f50 160 FUNC GLOBAL DEFAULT 1 ioapicinit
105: 8010555a 0 NOTYPE GLOBAL DEFAULT 1 vector115
106: 80100e10 136 FUNC GLOBAL DEFAULT 1 fileread
107: 80105599 0 NOTYPE GLOBAL DEFAULT 1 vector122
108: 80104c2c 67 FUNC GLOBAL DEFAULT 1 sys_sbrk
109: 80111760 1 OBJECT GLOBAL DEFAULT 6 ioapicid
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124: 80105350 0 NOTYPE GLOBAL DEFAULT 1 vector57
125: 80104098 90 FUNC GLOBAL DEFAULT 1 syscall
126: 801059d7 0 NOTYPE GLOBAL DEFAULT 1 vector214
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128: 80103258 49 FUNC GLOBAL DEFAULT 1 cpuid
129: 80101858 285 FUNC GLOBAL DEFAULT 1 writei
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132: 8010a5c0 18776 OBJECT GLOBAL DEFAULT 6 bcache
133: 801057df 0 NOTYPE GLOBAL DEFAULT 1 vector172
134: 80105b1b 0 NOTYPE GLOBAL DEFAULT 1 vector241
135: 80103bb4 72 FUNC GLOBAL DEFAULT 1 getcallerpcs
136: 801048c4 92 FUNC GLOBAL DEFAULT 1 sys_mkdir
137: 80105bab 0 NOTYPE GLOBAL DEFAULT 1 vector253
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140: 80101978 21 FUNC GLOBAL DEFAULT 1 namecmp
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151: 8010581b 0 NOTYPE GLOBAL DEFAULT 1 vector177
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160: 80104334 91 FUNC GLOBAL DEFAULT 1 sys_read
161: 801059fb 0 NOTYPE GLOBAL DEFAULT 1 vector217
162: 80103f70 47 FUNC GLOBAL DEFAULT 1 fetchint
163: 801061f0 120 FUNC GLOBAL DEFAULT 1 setupkvm
164: 80103e6c 6 FUNC GLOBAL DEFAULT 1 memcpy
165: 80106180 110 FUNC GLOBAL DEFAULT 1 freevm
166: 80105166 0 NOTYPE GLOBAL DEFAULT 1 vector1
167: 80105827 0 NOTYPE GLOBAL DEFAULT 1 vector178
168: 801052a5 0 NOTYPE GLOBAL DEFAULT 1 vector38
169: 80102024 139 FUNC GLOBAL DEFAULT 1 kfree
170: 80105af7 0 NOTYPE GLOBAL DEFAULT 1 vector238
171: 801031e0 119 FUNC GLOBAL DEFAULT 1 mycpu
172: 801015c0 327 FUNC GLOBAL DEFAULT 1 iput
173: 8010560b 0 NOTYPE GLOBAL DEFAULT 1 vector133
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175: 8010568f 0 NOTYPE GLOBAL DEFAULT 1 vector144
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178: 80109004 4 OBJECT GLOBAL DEFAULT 5 nextpid
179: 801054dc 0 NOTYPE GLOBAL DEFAULT 1 vector101
180: 801059b3 0 NOTYPE GLOBAL DEFAULT 1 vector211
181: 80102b98 416 FUNC GLOBAL DEFAULT 1 mpinit
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184: 80100c4c 26 FUNC GLOBAL DEFAULT 1 fileinit
185: 80103b98 27 FUNC GLOBAL DEFAULT 1 initlock
186: 801055cf 0 NOTYPE GLOBAL DEFAULT 1 vector128
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191: 801051ca 0 NOTYPE GLOBAL DEFAULT 1 vector13
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195: 80105b0f 0 NOTYPE GLOBAL DEFAULT 1 vector240
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200: 80101728 42 FUNC GLOBAL DEFAULT 1 stati
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203: 801052e4 0 NOTYPE GLOBAL DEFAULT 1 vector45
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206: 80105a8b 0 NOTYPE GLOBAL DEFAULT 1 vector229
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214: 80105548 0 NOTYPE GLOBAL DEFAULT 1 vector113
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218: 80104d52 0 NOTYPE GLOBAL DEFAULT 1 trapret
219: 801059ef 0 NOTYPE GLOBAL DEFAULT 1 vector216
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221: 80105239 0 NOTYPE GLOBAL DEFAULT 1 vector26
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223: 80102348 227 FUNC GLOBAL DEFAULT 1 lapicinit
224: 801058ff 0 NOTYPE GLOBAL DEFAULT 1 vector196
225: 8010599b 0 NOTYPE GLOBAL DEFAULT 1 vector209
226: 80105181 0 NOTYPE GLOBAL DEFAULT 1 vector4
227: 801057c7 0 NOTYPE GLOBAL DEFAULT 1 vector170
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229: 8010562f 0 NOTYPE GLOBAL DEFAULT 1 vector136
230: 801051b5 0 NOTYPE GLOBAL DEFAULT 1 vector10
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234: 80105bc3 0 NOTYPE GLOBAL DEFAULT 1 vector255
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429: 801056fb 0 NOTYPE GLOBAL DEFAULT 1 vector153
430: 8010577f 0 NOTYPE GLOBAL DEFAULT 1 vector164
431: 801039e0 172 FUNC GLOBAL DEFAULT 1 procdump
432: 80105590 0 NOTYPE GLOBAL DEFAULT 1 vector121
433: 8010512c 26 FUNC GLOBAL DEFAULT 1 uartputc
434: 8010518a 0 NOTYPE GLOBAL DEFAULT 1 vector5
435: 801057a3 0 NOTYPE GLOBAL DEFAULT 1 vector167
436: 80105713 0 NOTYPE GLOBAL DEFAULT 1 vector155
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441: 8010552d 0 NOTYPE GLOBAL DEFAULT 1 vector110
442: 8010595f 0 NOTYPE GLOBAL DEFAULT 1 vector204
443: 801014b4 198 FUNC GLOBAL DEFAULT 1 ilock
444: 80104a48 235 FUNC GLOBAL DEFAULT 1 sys_exec
445: 8010563b 0 NOTYPE GLOBAL DEFAULT 1 vector137
446: 80109460 0 NOTYPE GLOBAL DEFAULT 5 _binary_initcode_start
447: 80103f59 0 NOTYPE GLOBAL DEFAULT 1 swtch
448: 80105b63 0 NOTYPE GLOBAL DEFAULT 1 vector247
449: 80105215 0 NOTYPE GLOBAL DEFAULT 1 vector22
450: 80105947 0 NOTYPE GLOBAL DEFAULT 1 vector202
451: 80105d5c 237 FUNC GLOBAL DEFAULT 1 seginit
452: 80101708 31 FUNC GLOBAL DEFAULT 1 iunlockput
453: 801053d7 0 NOTYPE GLOBAL DEFAULT 1 vector72
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461: 80105abb 0 NOTYPE GLOBAL DEFAULT 1 vector233
462: 80104de8 36 FUNC GLOBAL DEFAULT 1 idtinit
463: 80103638 273 FUNC GLOBAL DEFAULT 1 exit
464: 80104be0 9 FUNC GLOBAL DEFAULT 1 sys_wait
465: 80104bd0 15 FUNC GLOBAL DEFAULT 1 sys_exit
466: 80101be0 178 FUNC GLOBAL DEFAULT 1 dirlink
467: 0000002c 0 NOTYPE GLOBAL DEFAULT ABS _binary_initcode_size
468: 801056b3 0 NOTYPE GLOBAL DEFAULT 1 vector147
469: 80103a8c 51 FUNC GLOBAL DEFAULT 1 initsleeplock
470: 80101d68 104 FUNC GLOBAL DEFAULT 1 ideinit
471: 80105fd4 175 FUNC GLOBAL DEFAULT 1 loaduvm
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481: 80103f40 25 FUNC GLOBAL DEFAULT 1 strlen
482: 80104b34 142 FUNC GLOBAL DEFAULT 1 sys_pipe
483: 801012d0 139 FUNC GLOBAL DEFAULT 1 iinit
484: 80102d38 16 FUNC GLOBAL DEFAULT 1 picinit
485: 80105983 0 NOTYPE GLOBAL DEFAULT 1 vector207
486: 80105f60 113 FUNC GLOBAL DEFAULT 1 inituvm
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490: 80105494 0 NOTYPE GLOBAL DEFAULT 1 vector93
491: 801026bc 138 FUNC GLOBAL DEFAULT 1 initlog
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494: 80101e68 230 FUNC GLOBAL DEFAULT 1 iderw
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497: 80105a2b 0 NOTYPE GLOBAL DEFAULT 1 vector221
498: 801021b0 97 FUNC GLOBAL DEFAULT 1 kalloc
499: 8010f960 80 OBJECT GLOBAL DEFAULT 6 devsw
500: 80104c1c 16 FUNC GLOBAL DEFAULT 1 sys_getpid
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511: 801058c3 0 NOTYPE GLOBAL DEFAULT 1 vector191
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513: 80104920 140 FUNC GLOBAL DEFAULT 1 sys_mknod
514: 80102468 133 FUNC GLOBAL DEFAULT 1 lapicstartap
515: 80105e60 255 FUNC GLOBAL DEFAULT 1 switchuvm
516: 80103bfc 55 FUNC GLOBAL DEFAULT 1 pushcli
517: 8010215c 81 FUNC GLOBAL DEFAULT 1 kinit2
518: 801051bc 0 NOTYPE GLOBAL DEFAULT 1 vector11
519: 801051d1 0 NOTYPE GLOBAL DEFAULT 1 vector14
520: 80100dcc 66 FUNC GLOBAL DEFAULT 1 filestat
Raw
make.sh
$ make kernel
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o bio.o bio.c
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o console.o console.c
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o exec.o exec.c
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o file.o file.c
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o fs.o fs.c
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o ide.o ide.c
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o ioapic.o ioapic.c
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o kalloc.o kalloc.c
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o kbd.o kbd.c
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o lapic.o lapic.c
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o log.o log.c
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o main.o main.c
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o mp.o mp.c
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o picirq.o picirq.c
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o pipe.o pipe.c
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o proc.o proc.c
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o sleeplock.o sleeplock.c
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o spinlock.o spinlock.c
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o string.o string.c
gcc -m32 -gdwarf-2 -Wa,-divide -c -o swtch.o swtch.S
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o syscall.o syscall.c
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o sysfile.o sysfile.c
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o sysproc.o sysproc.c
gcc -m32 -gdwarf-2 -Wa,-divide -c -o trapasm.o trapasm.S
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o trap.o trap.c
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o uart.o uart.c
./vectors.pl > vectors.S
gcc -m32 -gdwarf-2 -Wa,-divide -c -o vectors.o vectors.S
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -c -o vm.o vm.c
gcc -m32 -gdwarf-2 -Wa,-divide -c -o entry.o entry.S
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pic -nostdinc -I. -c entryother.S
ld -m elf_i386 -N -e start -Ttext 0x7000 -o bootblockother.o entryother.o
objcopy -S -O binary -j .text bootblockother.o entryother
objdump -S bootblockother.o > entryother.asm
gcc -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer -fno-stack-protector -nostdinc -I. -c initcode.S
ld -m elf_i386 -N -e start -Ttext 0 -o initcode.out initcode.o
objcopy -S -O binary initcode.out initcode
objdump -S initcode.o > initcode.asm
ld -m elf_i386 -T kernel.ld -o kernel entry.o bio.o console.o exec.o file.o fs.o ide.o ioapic.o kalloc.o kbd.o lapic.o log.o main.o mp.o picirq.o pipe.o proc.o sleeplock.o spinlock.o string.o swtch.o syscall.o sysfile.o sysproc.o trapasm.o trap.o uart.o vectors.o vm.o -b binary initcode entryother
objdump -S kernel > kernel.asm
objdump -t kernel | sed '1,/SYMBOL TABLE/d; s/ .* / /; /^$/d' > kernel.sym
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