Difference between revisions of "Assembler:Commands:JMP"
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| − | '''command''' jmp '' | + | '''command''' jmp ''size'' ''operand'' |
Jumps to the given operand (address). | Jumps to the given operand (address). | ||
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!style="width: 80%;background-color:white;" align="left"|Description | !style="width: 80%;background-color:white;" align="left"|Description | ||
|- | |- | ||
| − | | | + | |size '''OPTIONAL''' |
|The preferred size of the assembled address | |The preferred size of the assembled address | ||
|- | |- | ||
Revision as of 04:36, 14 March 2017
command jmp size operand
Jumps to the given operand (address).
Command Parameters
| Parameter | Description |
|---|---|
| size OPTIONAL | The preferred size of the assembled address |
| operand | The address or symbol to jump to |
Examples
jmp +1A // Jump from end of command to +1A (hex).
jmp 00123ABC // Jump to address.
jmp 0000123456ABCDEF // Jump to address.
jmp eax // Jump to value of eax.
jmp rax // Jump to value of rax.
jmp someSymbol // Jump to user defined symbol.
jmp someLabel // Jump to label.
jmp short someLabel // Jump to label with short byte code.
jmp long someLabel // Jump to label with full address.
jmp @b // Jump back to closest label
jmp @f // Jump forward to closest label
Running this script in 64 bit mode:
globalAlloc(memTest, 0x200)
label(testLbl)
memTest:
add [rax],al // db 00 00
@@:
add [rax],al
jmp short @b
jmp short @f
add [rax],al
@@:
add [rax],al
add [rax],al
jmp short -4
jmp short +2
add [rax],al
testLbl:
add [rax],al
jmp 01160002
add [rax],al
jmp rax
add [rax],al
jmp memTest
add [rax],al
jmp testLbl
add [rax],al
jmp short testLbl
add [rax],al
jmp long testLbl
add [rax],al
db 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
