Created
June 1, 2015 21:18
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disassemble3
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gdb rust_blink | |
GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.2) 7.7.1 | |
Copyright (C) 2014 Free Software Foundation, Inc. | |
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> | |
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 "arm-linux-gnueabihf". | |
Type "show configuration" for configuration details. | |
For bug reporting instructions, please see: | |
<http://www.gnu.org/software/gdb/bugs/>. | |
Find the GDB manual and other documentation resources online at: | |
<http://www.gnu.org/software/gdb/documentation/>. | |
For help, type "help". | |
Type "apropos word" to search for commands related to "word"... | |
Reading symbols from rust_blink...done. | |
(gdb) start | |
Temporary breakpoint 1 at 0x4434 | |
Starting program: /home/rust_blink | |
[Thread debugging using libthread_db enabled] | |
Using host libthread_db library "/lib/arm-linux-gnueabihf/libthread_db.so.1". | |
Temporary breakpoint 1, 0x2a004434 in main () | |
(gdb) c | |
Continuing. | |
Program received signal SIGBUS, Bus error. | |
0x36f524a0 in memset () from /lib/arm-linux-gnueabihf/libc.so.6 | |
(gdb) disassemble | |
Dump of assembler code for function memset: | |
0x36f52470 <+0>: mov r3, r0 | |
0x36f52474 <+4>: cmp r2, #8 | |
0x36f52478 <+8>: bcc 0x36f524c4 <memset+84> | |
0x36f5247c <+12>: tst r3, #3 | |
0x36f52480 <+16>: strbne r1, [r3], #1 | |
0x36f52484 <+20>: subne r2, r2, #1 | |
0x36f52488 <+24>: bne 0x36f5247c <memset+12> | |
0x36f5248c <+28>: and r1, r1, #255 ; 0xff | |
0x36f52490 <+32>: orr r1, r1, r1, lsl #8 | |
0x36f52494 <+36>: orr r1, r1, r1, lsl #16 | |
0x36f52498 <+40>: mov r12, r1 | |
0x36f5249c <+44>: subs r2, r2, #8 | |
=> 0x36f524a0 <+48>: stmiacs r3!, {r1, r12} | |
0x36f524a4 <+52>: subscs r2, r2, #8 | |
0x36f524a8 <+56>: stmiacs r3!, {r1, r12} | |
0x36f524ac <+60>: subscs r2, r2, #8 | |
0x36f524b0 <+64>: stmiacs r3!, {r1, r12} | |
0x36f524b4 <+68>: subscs r2, r2, #8 | |
0x36f524b8 <+72>: stmiacs r3!, {r1, r12} | |
0x36f524bc <+76>: bcs 0x36f5249c <memset+44> | |
0x36f524c0 <+80>: and r2, r2, #7 | |
0x36f524c4 <+84>: subs r2, r2, #1 | |
---Type <return> to continue, or q <return> to quit-- |
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