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What is the purpose of the EBP frame pointer register?
...ocal variable or an argument is at with a single constant offset. Although ESP's value changes over the course of execution, EBP remains the same making it possible to reach the same variable at the same offset (such as first parameter will always be at EBP+8 while ESP offsets can change significant...
jQuery: more than one handler for same event
...swered Sep 29 '09 at 10:28
Russ CamRuss Cam
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How to distinguish between left and right mouse click with jQuery
...swered Oct 29 '09 at 22:20
Russ CamRuss Cam
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Try-catch speeding up my code?
...le stores and the way the JIT compiler does register scheduling in the corresponding x86 code. The result is suboptimal code generation on the loads and stores of the locals.
For some reason unclear to all of us, the problematic code generation path is avoided when the JITter knows that the block i...
What does = +_ mean in JavaScript
...which case _ must be cast before adding to 0?
– colincameron
Feb 28 '13 at 10:06
3
@c.cam108 See ...
Difference between passing array and array pointer into function in C
... type derivation, then for each call to the function, the value of the corresponding
actual argument shall provide access to the first element of an array with at least as many
elements as specified by the size expression.
So, in short, any function parameter declared as T a[] or T a[N] is treated...
How does this milw0rm heap spraying exploit work?
...EA8331FC0B6A6A jmp 0x6a6a:0xbfc3183
00000017 03D4 add edx,esp
00000019 07 pop es
0000001A 67305CFF xor [si-0x1],bl
0000001E 98 cwde
0000001F BBD7FFA4FE mov ebx,0xfea4ffd7
00000024 9B wait
00000025 74AD j...
Is volatile expensive?
...R-133 Cookbook for Compiler Writers about the implementation of volatile, especially section "Interactions with Atomic Instructions" I assume that reading a volatile variable without updating it needs a LoadLoad or a LoadStore barrier. Further down the page I see that LoadLoad and LoadStore are eff...
How can I declare and define multiple variables in one line using C++?
...signed int! That's exactly the same! </rant>
– Cam Jackson
Jan 22 '13 at 5:41
6
...
GDB corrupted stack frame - How to debug?
...ff the stack. In 32-bit x86 code you just do:
(gdb) set $pc = *(void **)$esp
(gdb) set $esp = $esp + 4
With 64-bit x86 code you need
(gdb) set $pc = *(void **)$rsp
(gdb) set $rsp = $rsp + 8
Then, you should be able to do a bt and figure out where the code really is.
The other 1% of the time,...