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ras.py16-Dec-20146.2K
README-disasm16-Dec-201423.1K
README-lldb-disasm16-Dec-201410K
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README-disasm

      1 This README describes a sample invocation of disasm.py whose purpose is to test
      2 the low level ARM/Thumb disassembly functionality from llvm using the llvm-mc
      3 command line.  We invoke gdb on an executable, try to disassemble a function,
      4 and then read the memory contents of the disassembled function.
      5 
      6 The byte contents are written into a file named disasm-input.txt and then we
      7 invoke llvm-mc -disassemble plus options (set with the -o/--options) on the
      8 byte contents.
      9 
     10 See the following for a sample session using this command:
     11 
     12 [16:26:57] johnny:/Volumes/data/Radar/9131529 $ /Volumes/data/lldb/svn/trunk/utils/test/disasm.py -C 'set shlib-path-substitutions /usr /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.sdk/usr /System /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.sdk/System /Library /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.sdk/Library' -O '-arch armv7' -m /Volumes/data/lldb/llvm/Debug+Asserts/bin/llvm-mc -e /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.sdk/usr/lib/libSystem.B.dylib -f printf --options='-triple=thumb-apple-darwin -debug-only=arm-disassembler'
     13 gdb commands: ['set shlib-path-substitutions /usr /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.sdk/usr /System /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.sdk/System /Library /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.sdk/Library']
     14 gdb options: -arch armv7
     15 executable: /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.sdk/usr/lib/libSystem.B.dylib
     16 function: printf
     17 llvm-mc: /Volumes/data/lldb/llvm/Debug+Asserts/bin/llvm-mc
     18 llvm-mc options: -triple=thumb-apple-darwin -debug-only=arm-disassembler
     19 GNU gdb 6.3.50-20050815 (Apple version gdb-1518) (Sat Feb 12 02:56:02 UTC 2011)
     20 Copyright 2004 Free Software Foundation, Inc.
     21 GDB is free software, covered by the GNU General Public License, and you are
     22 welcome to change it and/or distribute copies of it under certain conditions.
     23 Type "show copying" to see the conditions.
     24 There is absolutely no warranty for GDB.  Type "show warranty" for details.
     25 This GDB was configured as "--host=x86_64-apple-darwin --target=arm-apple-darwin".
     26 <Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.sdk/Library
     27 <eloper/SDKs/iPhoneOS4.3.sdk/usr/lib/libSystem.B.dylib
     28 Reading symbols for shared libraries ................ done
     29 Reading symbols from /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.sdk/usr/lib/libSystem.B.dylib...done.
     30 (gdb) disassemble printf
     31 Dump of assembler code for function printf:
     32 0x0704cdd0 <printf+0>:	push	{r0, r1, r2, r3}
     33 0x0704cdd2 <printf+2>:	push	{r4, r5, r7, lr}
     34 0x0704cdd4 <printf+4>:	add	r7, sp, #8
     35 0x0704cdd6 <printf+6>:	sub	sp, #4
     36 0x0704cdd8 <printf+8>:	add	r3, sp, #20
     37 0x0704cdda <printf+10>:	ldr.w	r5, [r3], #4
     38 0x0704cdde <printf+14>:	str	r3, [sp, #0]
     39 0x0704cde0 <printf+16>:	ldr	r3, [pc, #52]	(0x704ce18 <printf+72>)
     40 0x0704cde2 <printf+18>:	add	r3, pc
     41 0x0704cde4 <printf+20>:	ldr	r0, [r3, #0]
     42 0x0704cde6 <printf+22>:	ldr	r4, [r0, #0]
     43 0x0704cde8 <printf+24>:	ldr	r0, [pc, #48]	(0x704ce1c <printf+76>)
     44 0x0704cdea <printf+26>:	add	r0, pc
     45 0x0704cdec <printf+28>:	ldr	r0, [r0, #0]
     46 0x0704cdee <printf+30>:	ldr	r0, [r0, #0]
     47 0x0704cdf0 <printf+32>:	blx	0x707ba30 <pthread_getspecific>
     48 0x0704cdf4 <printf+36>:	cbnz	r0, 0x704cdfe <printf+46>
     49 0x0704cdf6 <printf+38>:	ldr	r1, [pc, #40]	(0x704ce20 <printf+80>)
     50 0x0704cdf8 <printf+40>:	add	r1, pc
     51 0x0704cdfa <printf+42>:	ldr	r1, [r1, #0]
     52 0x0704cdfc <printf+44>:	b.n	0x704ce00 <printf+48>
     53 0x0704cdfe <printf+46>:	mov	r1, r0
     54 0x0704ce00 <printf+48>:	mov	r0, r4
     55 0x0704ce02 <printf+50>:	mov	r2, r5
     56 0x0704ce04 <printf+52>:	ldr	r3, [sp, #0]
     57 0x0704ce06 <printf+54>:	bl	0x704ad44 <vfprintf_l>
     58 0x0704ce0a <printf+58>:	sub.w	sp, r7, #8	; 0x8
     59 0x0704ce0e <printf+62>:	ldmia.w	sp!, {r4, r5, r7, lr}
     60 0x0704ce12 <printf+66>:	add	sp, #16
     61 0x0704ce14 <printf+68>:	bx	lr
     62 0x0704ce16 <printf+70>:	nop
     63 0x0704ce18 <printf+72>:	movs	r3, #142
     64 0x0704ce1a <printf+74>:	lsls	r5, r0, #0
     65 0x0704ce1c <printf+76>:	adds	r1, #122
     66 0x0704ce1e <printf+78>:	lsls	r5, r0, #0
     67 0x0704ce20 <printf+80>:	adds	r1, #104
     68 0x0704ce22 <printf+82>:	lsls	r5, r0, #0
     69 End of assembler dump.
     70 (gdb) x /2b 0x0704cdd0
     71 0x704cdd0 <printf>:	0x0f	0xb4
     72 (gdb) x /2b 0x0704cdd2
     73 0x704cdd2 <printf+2>:	0xb0	0xb5
     74 (gdb) x /2b 0x0704cdd4
     75 0x704cdd4 <printf+4>:	0x02	0xaf
     76 (gdb) x /2b 0x0704cdd6
     77 0x704cdd6 <printf+6>:	0x81	0xb0
     78 (gdb) x /2b 0x0704cdd8
     79 0x704cdd8 <printf+8>:	0x05	0xab
     80 (gdb) x /4b 0x0704cdda
     81 0x704cdda <printf+10>:	0x53	0xf8	0x04	0x5b
     82 (gdb) x /2b 0x0704cdde
     83 0x704cdde <printf+14>:	0x00	0x93
     84 (gdb) x /2b 0x0704cde0
     85 0x704cde0 <printf+16>:	0x0d	0x4b
     86 (gdb) x /2b 0x0704cde2
     87 0x704cde2 <printf+18>:	0x7b	0x44
     88 (gdb) x /2b 0x0704cde4
     89 0x704cde4 <printf+20>:	0x18	0x68
     90 (gdb) x /2b 0x0704cde6
     91 0x704cde6 <printf+22>:	0x04	0x68
     92 (gdb) x /2b 0x0704cde8
     93 0x704cde8 <printf+24>:	0x0c	0x48
     94 (gdb) x /2b 0x0704cdea
     95 0x704cdea <printf+26>:	0x78	0x44
     96 (gdb) x /2b 0x0704cdec
     97 0x704cdec <printf+28>:	0x00	0x68
     98 (gdb) x /2b 0x0704cdee
     99 0x704cdee <printf+30>:	0x00	0x68
    100 (gdb) x /4b 0x0704cdf0
    101 0x704cdf0 <printf+32>:	0x2e	0xf0	0x1e	0xee
    102 (gdb) x /2b 0x0704cdf4
    103 0x704cdf4 <printf+36>:	0x18	0xb9
    104 (gdb) x /2b 0x0704cdf6
    105 0x704cdf6 <printf+38>:	0x0a	0x49
    106 (gdb) x /2b 0x0704cdf8
    107 0x704cdf8 <printf+40>:	0x79	0x44
    108 (gdb) x /2b 0x0704cdfa
    109 0x704cdfa <printf+42>:	0x09	0x68
    110 (gdb) x /2b 0x0704cdfc
    111 0x704cdfc <printf+44>:	0x00	0xe0
    112 (gdb) x /2b 0x0704cdfe
    113 0x704cdfe <printf+46>:	0x01	0x46
    114 (gdb) x /2b 0x0704ce00
    115 0x704ce00 <printf+48>:	0x20	0x46
    116 (gdb) x /2b 0x0704ce02
    117 0x704ce02 <printf+50>:	0x2a	0x46
    118 (gdb) x /2b 0x0704ce04
    119 0x704ce04 <printf+52>:	0x00	0x9b
    120 (gdb) x /4b 0x0704ce06
    121 0x704ce06 <printf+54>:	0xfd	0xf7	0x9d	0xff
    122 (gdb) x /4b 0x0704ce0a
    123 0x704ce0a <printf+58>:	0xa7	0xf1	0x08	0x0d
    124 (gdb) x /4b 0x0704ce0e
    125 0x704ce0e <printf+62>:	0xbd	0xe8	0xb0	0x40
    126 (gdb) x /2b 0x0704ce12
    127 0x704ce12 <printf+66>:	0x04	0xb0
    128 (gdb) x /2b 0x0704ce14
    129 0x704ce14 <printf+68>:	0x70	0x47
    130 (gdb) x /2b 0x0704ce16
    131 0x704ce16 <printf+70>:	0x00	0xbf
    132 (gdb) x /2b 0x0704ce18
    133 0x704ce18 <printf+72>:	0x8e	0x23
    134 (gdb) x /2b 0x0704ce1a
    135 0x704ce1a <printf+74>:	0x05	0x00
    136 (gdb) x /2b 0x0704ce1c
    137 0x704ce1c <printf+76>:	0x7a	0x31
    138 (gdb) x /2b 0x0704ce1e
    139 0x704ce1e <printf+78>:	0x05	0x00
    140 (gdb) x /2b 0x0704ce20
    141 0x704ce20 <printf+80>:	0x68	0x31
    142 (gdb) x /2b 0x0704ce22
    143 0x704ce22 <printf+82>:	0x05	0x00
    144 (gdb) quit
    145 
    146 Executing command: /Volumes/data/lldb/llvm/Debug+Asserts/bin/llvm-mc -disassemble -triple=thumb-apple-darwin -debug-only=arm-disassembler disasm-input.txt
    147 Opcode=2305 Name=tPUSH Format=ARM_FORMAT_THUMBFRM(25)
    148  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    149 -------------------------------------------------------------------------------------------------
    150 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 1: 0: 1: 1| 0: 1: 0: 0| 0: 0: 0: 0| 1: 1: 1: 1|
    151 -------------------------------------------------------------------------------------------------
    152 
    153 	push	{r0, r1, r2, r3}
    154 Opcode=2305 Name=tPUSH Format=ARM_FORMAT_THUMBFRM(25)
    155  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    156 -------------------------------------------------------------------------------------------------
    157 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 1: 0: 1: 1| 0: 1: 0: 1| 1: 0: 1: 1| 0: 0: 0: 0|
    158 -------------------------------------------------------------------------------------------------
    159 
    160 	push	{r4, r5, r7, lr}
    161 Opcode=2228 Name=tADDrSPi Format=ARM_FORMAT_THUMBFRM(25)
    162  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    163 -------------------------------------------------------------------------------------------------
    164 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 1: 0: 1: 0| 1: 1: 1: 1| 0: 0: 0: 0| 0: 0: 1: 0|
    165 -------------------------------------------------------------------------------------------------
    166 
    167 	add	r7, sp, #8
    168 Opcode=2328 Name=tSUBspi Format=ARM_FORMAT_THUMBFRM(25)
    169  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    170 -------------------------------------------------------------------------------------------------
    171 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 1: 0: 1: 1| 0: 0: 0: 0| 1: 0: 0: 0| 0: 0: 0: 1|
    172 -------------------------------------------------------------------------------------------------
    173 
    174 	sub	sp, #4
    175 Opcode=2228 Name=tADDrSPi Format=ARM_FORMAT_THUMBFRM(25)
    176  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    177 -------------------------------------------------------------------------------------------------
    178 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 1: 0: 1: 0| 1: 0: 1: 1| 0: 0: 0: 0| 0: 1: 0: 1|
    179 -------------------------------------------------------------------------------------------------
    180 
    181 	add	r3, sp, #20
    182 Opcode=1963 Name=t2LDR_POST Format=ARM_FORMAT_THUMBFRM(25)
    183  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    184 -------------------------------------------------------------------------------------------------
    185 | 1: 1: 1: 1| 1: 0: 0: 0| 0: 1: 0: 1| 0: 0: 1: 1| 0: 1: 0: 1| 1: 0: 1: 1| 0: 0: 0: 0| 0: 1: 0: 0|
    186 -------------------------------------------------------------------------------------------------
    187 
    188 	ldr	r5, [r3], #4
    189 Opcode=2324 Name=tSTRspi Format=ARM_FORMAT_THUMBFRM(25)
    190  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    191 -------------------------------------------------------------------------------------------------
    192 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 1: 0: 0: 1| 0: 0: 1: 1| 0: 0: 0: 0| 0: 0: 0: 0|
    193 -------------------------------------------------------------------------------------------------
    194 
    195 	str	r3, [sp]
    196 Opcode=2275 Name=tLDRpci Format=ARM_FORMAT_THUMBFRM(25)
    197  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    198 -------------------------------------------------------------------------------------------------
    199 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 1: 0: 0| 1: 0: 1: 1| 0: 0: 0: 0| 1: 1: 0: 1|
    200 -------------------------------------------------------------------------------------------------
    201 
    202 	ldr.n	r3, #52
    203 Opcode=2223 Name=tADDhirr Format=ARM_FORMAT_THUMBFRM(25)
    204  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    205 -------------------------------------------------------------------------------------------------
    206 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 1: 0: 0| 0: 1: 0: 0| 0: 1: 1: 1| 1: 0: 1: 1|
    207 -------------------------------------------------------------------------------------------------
    208 
    209 	add	r3, pc
    210 Opcode=2274 Name=tLDRi Format=ARM_FORMAT_THUMBFRM(25)
    211  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    212 -------------------------------------------------------------------------------------------------
    213 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 1: 1: 0| 1: 0: 0: 0| 0: 0: 0: 1| 1: 0: 0: 0|
    214 -------------------------------------------------------------------------------------------------
    215 
    216 	ldr	r0, [r3]
    217 Opcode=2274 Name=tLDRi Format=ARM_FORMAT_THUMBFRM(25)
    218  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    219 -------------------------------------------------------------------------------------------------
    220 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 1: 1: 0| 1: 0: 0: 0| 0: 0: 0: 0| 0: 1: 0: 0|
    221 -------------------------------------------------------------------------------------------------
    222 
    223 	ldr	r4, [r0]
    224 Opcode=2275 Name=tLDRpci Format=ARM_FORMAT_THUMBFRM(25)
    225  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    226 -------------------------------------------------------------------------------------------------
    227 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 1: 0: 0| 1: 0: 0: 0| 0: 0: 0: 0| 1: 1: 0: 0|
    228 -------------------------------------------------------------------------------------------------
    229 
    230 	ldr.n	r0, #48
    231 Opcode=2223 Name=tADDhirr Format=ARM_FORMAT_THUMBFRM(25)
    232  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    233 -------------------------------------------------------------------------------------------------
    234 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 1: 0: 0| 0: 1: 0: 0| 0: 1: 1: 1| 1: 0: 0: 0|
    235 -------------------------------------------------------------------------------------------------
    236 
    237 	add	r0, pc
    238 Opcode=2274 Name=tLDRi Format=ARM_FORMAT_THUMBFRM(25)
    239  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    240 -------------------------------------------------------------------------------------------------
    241 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 1: 1: 0| 1: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0|
    242 -------------------------------------------------------------------------------------------------
    243 
    244 	ldr	r0, [r0]
    245 Opcode=2274 Name=tLDRi Format=ARM_FORMAT_THUMBFRM(25)
    246  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    247 -------------------------------------------------------------------------------------------------
    248 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 1: 1: 0| 1: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0|
    249 -------------------------------------------------------------------------------------------------
    250 
    251 	ldr	r0, [r0]
    252 Opcode=2243 Name=tBLXi_r9 Format=ARM_FORMAT_THUMBFRM(25)
    253  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    254 -------------------------------------------------------------------------------------------------
    255 | 1: 1: 1: 1| 0: 0: 0: 0| 0: 0: 1: 0| 1: 1: 1: 0| 1: 1: 1: 0| 1: 1: 1: 0| 0: 0: 0: 1| 1: 1: 1: 0|
    256 -------------------------------------------------------------------------------------------------
    257 
    258 	blx	#191548
    259 Opcode=2255 Name=tCBNZ Format=ARM_FORMAT_THUMBFRM(25)
    260  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    261 -------------------------------------------------------------------------------------------------
    262 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 1: 0: 1: 1| 1: 0: 0: 1| 0: 0: 0: 1| 1: 0: 0: 0|
    263 -------------------------------------------------------------------------------------------------
    264 
    265 	cbnz	r0, #6
    266 Opcode=2275 Name=tLDRpci Format=ARM_FORMAT_THUMBFRM(25)
    267  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    268 -------------------------------------------------------------------------------------------------
    269 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 1: 0: 0| 1: 0: 0: 1| 0: 0: 0: 0| 1: 0: 1: 0|
    270 -------------------------------------------------------------------------------------------------
    271 
    272 	ldr.n	r1, #40
    273 Opcode=2223 Name=tADDhirr Format=ARM_FORMAT_THUMBFRM(25)
    274  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    275 -------------------------------------------------------------------------------------------------
    276 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 1: 0: 0| 0: 1: 0: 0| 0: 1: 1: 1| 1: 0: 0: 1|
    277 -------------------------------------------------------------------------------------------------
    278 
    279 	add	r1, pc
    280 Opcode=2274 Name=tLDRi Format=ARM_FORMAT_THUMBFRM(25)
    281  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    282 -------------------------------------------------------------------------------------------------
    283 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 1: 1: 0| 1: 0: 0: 0| 0: 0: 0: 0| 1: 0: 0: 1|
    284 -------------------------------------------------------------------------------------------------
    285 
    286 	ldr	r1, [r1]
    287 Opcode=2238 Name=tB Format=ARM_FORMAT_THUMBFRM(25)
    288  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    289 -------------------------------------------------------------------------------------------------
    290 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 1: 1: 1: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0|
    291 -------------------------------------------------------------------------------------------------
    292 
    293 	b	#0
    294 Opcode=2294 Name=tMOVr Format=ARM_FORMAT_THUMBFRM(25)
    295  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    296 -------------------------------------------------------------------------------------------------
    297 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 1: 0: 0| 0: 1: 1: 0| 0: 0: 0: 0| 0: 0: 0: 1|
    298 -------------------------------------------------------------------------------------------------
    299 
    300 	mov	r1, r0
    301 Opcode=2294 Name=tMOVr Format=ARM_FORMAT_THUMBFRM(25)
    302  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    303 -------------------------------------------------------------------------------------------------
    304 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 1: 0: 0| 0: 1: 1: 0| 0: 0: 1: 0| 0: 0: 0: 0|
    305 -------------------------------------------------------------------------------------------------
    306 
    307 	mov	r0, r4
    308 Opcode=2294 Name=tMOVr Format=ARM_FORMAT_THUMBFRM(25)
    309  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    310 -------------------------------------------------------------------------------------------------
    311 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 1: 0: 0| 0: 1: 1: 0| 0: 0: 1: 0| 1: 0: 1: 0|
    312 -------------------------------------------------------------------------------------------------
    313 
    314 	mov	r2, r5
    315 Opcode=2278 Name=tLDRspi Format=ARM_FORMAT_THUMBFRM(25)
    316  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    317 -------------------------------------------------------------------------------------------------
    318 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 1: 0: 0: 1| 1: 0: 1: 1| 0: 0: 0: 0| 0: 0: 0: 0|
    319 -------------------------------------------------------------------------------------------------
    320 
    321 	ldr	r3, [sp]
    322 Opcode=2246 Name=tBLr9 Format=ARM_FORMAT_THUMBFRM(25)
    323  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    324 -------------------------------------------------------------------------------------------------
    325 | 1: 1: 1: 1| 0: 1: 1: 1| 1: 1: 1: 1| 1: 1: 0: 1| 1: 1: 1: 1| 1: 1: 1: 1| 1: 0: 0: 1| 1: 1: 0: 1|
    326 -------------------------------------------------------------------------------------------------
    327 
    328 	bl	#-8390
    329 Opcode=2153 Name=t2SUBri Format=ARM_FORMAT_THUMBFRM(25)
    330  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    331 -------------------------------------------------------------------------------------------------
    332 | 1: 1: 1: 1| 0: 0: 0: 1| 1: 0: 1: 0| 0: 1: 1: 1| 0: 0: 0: 0| 1: 1: 0: 1| 0: 0: 0: 0| 1: 0: 0: 0|
    333 -------------------------------------------------------------------------------------------------
    334 
    335 	sub.w	sp, r7, #8
    336 Opcode=1926 Name=t2LDMIA_UPD Format=ARM_FORMAT_THUMBFRM(25)
    337  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    338 -------------------------------------------------------------------------------------------------
    339 | 1: 1: 1: 0| 1: 0: 0: 0| 1: 0: 1: 1| 1: 1: 0: 1| 0: 1: 0: 0| 0: 0: 0: 0| 1: 0: 1: 1| 0: 0: 0: 0|
    340 -------------------------------------------------------------------------------------------------
    341 
    342 	pop.w	{r4, r5, r7, lr}
    343 Opcode=2230 Name=tADDspi Format=ARM_FORMAT_THUMBFRM(25)
    344  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    345 -------------------------------------------------------------------------------------------------
    346 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 1: 0: 1: 1| 0: 0: 0: 0| 0: 0: 0: 0| 0: 1: 0: 0|
    347 -------------------------------------------------------------------------------------------------
    348 
    349 	add	sp, #16
    350 Opcode=2250 Name=tBX_RET Format=ARM_FORMAT_THUMBFRM(25)
    351  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    352 -------------------------------------------------------------------------------------------------
    353 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 1: 0: 0| 0: 1: 1: 1| 0: 1: 1: 1| 0: 0: 0: 0|
    354 -------------------------------------------------------------------------------------------------
    355 
    356 	bx	lr
    357 Opcode=2300 Name=tNOP Format=ARM_FORMAT_THUMBFRM(25)
    358  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    359 -------------------------------------------------------------------------------------------------
    360 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 1: 0: 1: 1| 1: 1: 1: 1| 0: 0: 0: 0| 0: 0: 0: 0|
    361 -------------------------------------------------------------------------------------------------
    362 
    363 	nop
    364 Opcode=2293 Name=tMOVi8 Format=ARM_FORMAT_THUMBFRM(25)
    365  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    366 -------------------------------------------------------------------------------------------------
    367 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 1: 0| 0: 0: 1: 1| 1: 0: 0: 0| 1: 1: 1: 0|
    368 -------------------------------------------------------------------------------------------------
    369 
    370 	movs	r3, #142
    371 Opcode=2290 Name=tMOVSr Format=ARM_FORMAT_THUMBFRM(25)
    372  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    373 -------------------------------------------------------------------------------------------------
    374 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 1: 0: 1|
    375 -------------------------------------------------------------------------------------------------
    376 
    377 	movs	r5, r0
    378 Opcode=2225 Name=tADDi8 Format=ARM_FORMAT_THUMBFRM(25)
    379  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    380 -------------------------------------------------------------------------------------------------
    381 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 1: 1| 0: 0: 0: 1| 0: 1: 1: 1| 1: 0: 1: 0|
    382 -------------------------------------------------------------------------------------------------
    383 
    384 	adds	r1, #122
    385 Opcode=2290 Name=tMOVSr Format=ARM_FORMAT_THUMBFRM(25)
    386  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    387 -------------------------------------------------------------------------------------------------
    388 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 1: 0: 1|
    389 -------------------------------------------------------------------------------------------------
    390 
    391 	movs	r5, r0
    392 Opcode=2225 Name=tADDi8 Format=ARM_FORMAT_THUMBFRM(25)
    393  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    394 -------------------------------------------------------------------------------------------------
    395 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 1: 1| 0: 0: 0: 1| 0: 1: 1: 0| 1: 0: 0: 0|
    396 -------------------------------------------------------------------------------------------------
    397 
    398 	adds	r1, #104
    399 Opcode=2290 Name=tMOVSr Format=ARM_FORMAT_THUMBFRM(25)
    400  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
    401 -------------------------------------------------------------------------------------------------
    402 | 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 1: 0: 1|
    403 -------------------------------------------------------------------------------------------------
    404 
    405 	movs	r5, r0
    406 [16:28:00] johnny:/Volumes/data/Radar/9131529 $ 
    407

README-lldb-disasm

      1 This README describes a sample invocation of lldb-disasm.py whose purpose is to test
      2 the lldb 'disassemble' command.
      3 
      4 This is for the initial checkin of lldb-disasm.py which only reads an executable image and
      5 dumps the symbol table from the imgae and its dependent libraries.  The output was cut off
      6 since it is too large.
      7 
      8 da0603a-dhcp191:9131529 johnny$ /Volumes/data/lldb/svn/trunk/utils/test/lldb-disasm.py -C 'platform create remote-ios' -e /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.sdk/usr/lib/libSystem.B.dylib
      9 lldb commands: ['platform create remote-ios']
     10 lldb options: None
     11 executable: /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.sdk/usr/lib/libSystem.B.dylib
     12 sys.path: ['/Volumes/data/lldb/svn/trunk/utils/test', '/Volumes/data/lldb/svn/trunk/build/Debug/LLDB.framework/Resources/Python', '/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python26.zip', '/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6', '/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/plat-darwin', '/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/plat-mac', '/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/plat-mac/lib-scriptpackages', '/System/Library/Frameworks/Python.framework/Versions/2.6/Extras/lib/python', '/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/lib-tk', '/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/lib-old', '/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/lib-dynload', '/Library/Python/2.6/site-packages', '/AppleInternal/Library/Python/2.6/site-packages', '/System/Library/Frameworks/Python.framework/Versions/2.6/Extras/lib/python/PyObjC', '/System/Library/Frameworks/Python.framework/Versions/2.6/Extras/lib/python/wx-2.8-mac-unicode', '/Volumes/data/lldb/svn/trunk/utils/test/../../test/pexpect-2.4', '/Volumes/data/lldb/svn/trunk/test']
     13 /Volumes/data/lldb/svn/trunk/test/lldbutil.py:80: SyntaxWarning: import * only allowed at module level
     14   def int_to_bytearray(val, bytesize):
     15 /Volumes/data/lldb/svn/trunk/test/lldbutil.py:105: SyntaxWarning: import * only allowed at module level
     16   def bytearray_to_int(bytes, bytesize):
     17 run command: platform create remote-ios
     18 output: Platform: remote-ios
     19 Not connected to a remote platform.
     20 SDKROOT: "/Developer/Platforms/iPhoneOS.platform/DeviceSupport/4.3 (8F190)"
     21 
     22 run command: file /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.sdk/usr/lib/libSystem.B.dylib
     23 output: Current executable set to '/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.sdk/usr/lib/libSystem.B.dylib' (armv7).
     24 
     25 run command: image dump symtab
     26 output: Dumping symbol table for 18 modules.
     27 Symtab, file = /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.sdk/usr/lib/libSystem.B.dylib, num_symbols = 851:
     28                Debug symbol
     29                |Synthetic symbol
     30                ||Externally Visible
     31                |||
     32 Index   UserID DSX Type         File Address/Value Load Address       Size               Flags      Name
     33 ------- ------ --- ------------ ------------------ ------------------ ------------------ ---------- ----------------------------------
     34 [    0]      0     Code         0x0000000000001420                    0x0000000000000000 0x000e0008 libSystem_initializer
     35 [    1]      1     Code         0x00000000000014c4                    0x0000000000000000 0x001e0008 __keymgr_initializer
     36 [    2]      2     Code         0x00000000000014fc                    0x0000000000000000 0x000e0008 dwarf2_unwind_dyld_add_image_hook
     37 [    3]      3     Code         0x0000000000001564                    0x0000000000000000 0x000e0008 get_or_create_key_element
     38 [    4]      4     Code         0x0000000000001684                    0x0000000000000000 0x000e0008 unlock_node
     39 [    5]      5     Code         0x0000000000001930                    0x0000000000000000 0x000e0000 RsqrtTable
     40 [    6]      6     Code         0x0000000000001c30                    0x0000000000000000 0x000e0000 acosf_crossover
     41 [    7]      7     Code         0x0000000000001c34                    0x0000000000000000 0x000e0000 acosf_mid_poly
     42 [    8]      8     Code         0x0000000000001c48                    0x0000000000000000 0x000e0000 Pi2_Q30
     43 [    9]      9     Code         0x0000000000001c4c                    0x0000000000000000 0x000e0000 Pi_Q30
     44 [   10]     10     Code         0x0000000000001c78                    0x0000000000000000 0x000e0000 acosf_approx
     45 [   11]     11     Code         0x0000000000001cec                    0x0000000000000000 0x000e0000 acosf_pos_tail_poly
     46 [   12]     12     Code         0x0000000000001d00                    0x0000000000000000 0x000e0000 acosf_tail
     47 [   13]     13     Code         0x0000000000001dfc                    0x0000000000000000 0x000e0000 acosf_normalize
     48 [   14]     14     Code         0x0000000000001e10                    0x0000000000000000 0x000e0000 acosf_round
     49 [   15]     15     Code         0x0000000000001e28                    0x0000000000000000 0x000e0000 acosf_encode
     50 [   16]     16     Code         0x0000000000001e30                    0x0000000000000000 0x000e0000 acosf_done
     51 [   17]     17     Code         0x0000000000001e38                    0x0000000000000000 0x000e0000 acosf_special
     52 [   18]     18     Code         0x0000000000001e68                    0x0000000000000000 0x000e0000 acosf_small
     53 [   19]     19     Code         0x0000000000001e9c                    0x0000000000000000 0x000e0000 acosf_very_small
     54 [   20]     20     Code         0x0000000000001eb8                    0x0000000000000000 0x000e0000 Pif
     55 [   21]     21     Code         0x000000000000220c                    0x0000000000000000 0x000e0000 RsqrtTable
     56 [   22]     22     Code         0x000000000000250c                    0x0000000000000000 0x000e0000 asinf_crossover
     57 [   23]     23     Code         0x0000000000002510                    0x0000000000000000 0x000e0000 asinf_mid_poly
     58 [   24]     24     Code         0x0000000000002524                    0x0000000000000000 0x000e0000 Pi2_Q30
     59 [   25]     25     Code         0x0000000000002550                    0x0000000000000000 0x000e0000 asinf_approx
     60 [   26]     26     Code         0x00000000000025e4                    0x0000000000000000 0x000e0000 asinf_tail_poly
     61 [   27]     27     Code         0x0000000000002600                    0x0000000000000000 0x000e0000 asinf_tail
     62 [   28]     28     Code         0x00000000000026e0                    0x0000000000000000 0x000e0000 asinf_normalize
     63 [   29]     29     Code         0x00000000000026f4                    0x0000000000000000 0x000e0000 asinf_round
     64 [   30]     30     Code         0x000000000000270c                    0x0000000000000000 0x000e0000 asinf_encode
     65 [   31]     31     Code         0x0000000000002718                    0x0000000000000000 0x000e0000 asinf_done
     66 [   32]     32     Code         0x0000000000002720                    0x0000000000000000 0x000e0000 asinf_special
     67 [   33]     33     Code         0x0000000000002754                    0x0000000000000000 0x000e0000 asinf_small
     68 [   34]     34     Code         0x0000000000002784                    0x0000000000000000 0x000e0000 Pi2f
     69 [   35]     35     Code         0x0000000000005774                    0x0000000000000000 0x000e0008 rem_pio2
     70 [   36]     36     Code         0x00000000000076c4                    0x0000000000000000 0x000e0008 __kernel_rem_pio2
     71 [   37]     37     Code         0x0000000000008c90                    0x0000000000000000 0x000e0008 __kernel_tan
     72 [   38]     38     Code         0x0000000000008ef0                    0x0000000000000000 0x000e0008 lgammaApprox
     73 [   39]     39     Code         0x000000000000b3d4                    0x0000000000000000 0x000e0000 powf_not_special
     74 [   40]     40     Code         0x000000000000b3dc                    0x0000000000000000 0x000e0000 powf_ylgx
     75 [   41]     41     Code         0x000000000000b438                    0x0000000000000000 0x000e0000 powf_done
     76 [   42]     42     Code         0x000000000000b43c                    0x0000000000000000 0x000e0000 powf_special_y
     77 [   43]     43     Code         0x000000000000b4a8                    0x0000000000000000 0x000e0000 powf_special_x
     78 [   44]     44     Code         0x000000000000b4cc                    0x0000000000000000 0x000e0000 powf_mzero_minf
     79 [   45]     45     Code         0x000000000000b54c                    0x0000000000000000 0x000e0000 powf_y_odd
     80 [   46]     46     Code         0x000000000000b57c                    0x0000000000000000 0x000e0000 powf_y_nonint
     81 [   47]     47     Code         0x000000000000b588                    0x0000000000000000 0x000e0000 powf_y_even
     82 [   48]     48     Code         0x000000000000b7a8                    0x0000000000000000 0x000e0000 powf_log2_reduction
     83 [   49]     49     Code         0x000000000000b7a8                    0x0000000000000000 0x000e0000 powf_log2
     84 [   50]     50     Code         0x000000000000b814                    0x0000000000000000 0x000e0000 powf_log2_approx
     85 [   51]     51     Code         0x000000000000b88c                    0x0000000000000000 0x000e0000 powf_log2_synthesis
     86 [   52]     52     Code         0x000000000000b960                    0x0000000000000000 0x000e0000 powf_log2_exactPowerOfTwo
     87 [   53]     53     Code         0x000000000000b980                    0x0000000000000000 0x000e0000 powf_log2_near1
     88 [   54]     54     Code         0x000000000000b9ec                    0x0000000000000000 0x000e0000 powf_log2_synthesis_near1
     89 [   55]     55     Code         0x000000000000ba04                    0x0000000000000000 0x000e0000 Q32_minimax
     90 [   56]     56     Code         0x000000000000ba10                    0x0000000000000000 0x000e0000 iexp2_lut
     91 [   57]     57     Code         0x000000000000ba94                    0x0000000000000000 0x000e0000 powf_exp2
     92 [   58]     58     Code         0x000000000000bb18                    0x0000000000000000 0x000e0000 powf_exp2_exact_int
     93 [   59]     59     Code         0x000000000000bb24                    0x0000000000000000 0x000e0000 powf_exp2_big
     94 [   60]     60     Code         0x000000000000bb74                    0x0000000000000000 0x000e0000 powf_exp2_overflow
     95

README-run-until-faulted

      1 A example usage of the Python script run-until-faulted.py:
      2 
      3 [18:20:29] johnny:/Volumes/data/lldb/svn/trunk/utils/test $ ./run-until-faulted.py -l /Volumes/data/lldb/svn/trunk/build/Debug/lldb -e './a.out'
      4 lldb command: /Volumes/data/lldb/svn/trunk/build/Debug/lldb
      5 executable: ./a.out
      6 executable options: 
      7 sending file command....
      8 sending process launch --  (iteration: 0)
      9 
     10 * thread #1: tid = 0x2d03, 0x0000000100000eef a.out`main + 39 at main.c:7, stop reason = EXC_BAD_ACCESS (code=1, address=0x0)
     11    4   	{
     12    5   	    int *null_ptr = 0;
     13    6   	    printf("Hello, fault!\n");
     14 -> 7   	    printf("Now segfault %d\n", *null_ptr);
     15    8   	}
     16 
     17 (lldb) q
     18 [18:20:40] johnny:/Volumes/data/lldb/svn/trunk/utils/test $ 
     19