cli/q
Code Issues 1 Pull Requests Activity

Implemented indirect calls

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This commit is contained in:
Eduard Urbach
2024-08-16 20:39:04 +02:00
parent 499fe8aec8
commit 34aeba740a
4 changed files with 45 additions and 5 deletions
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18
src/arch/x64/Call.go
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@ -1,7 +1,8 @@
package x64
// Call places the return address on the top of the stack and continues
// program flow at the new address. The address is relative to the next instruction.
// program flow at the new address.
// The address is relative to the next instruction.
func Call(code []byte, address uint32) []byte {
return append(
code,
@ -12,3 +13,18 @@ func Call(code []byte, address uint32) []byte {
byte(address>>24),
)
}
// CallAtAddress places the return address on the top of the stack and
// continues program flow at the address stored at the given memory address.
// The memory address is relative to the next instruction.
func CallAtAddress(code []byte, address uint32) []byte {
return append(
code,
0xFF,
0x15,
byte(address),
byte(address>>8),
byte(address>>16),
byte(address>>24),
)
}