mirror of
https://gitlab.os-k.eu/os-k-team/kvisc.git
synced 2023-08-25 14:05:46 +02:00
55 lines
736 B
C
55 lines
736 B
C
// The OS/K Team licenses this file to you under the MIT license.
|
|
// See the LICENSE file in the project root for more information.
|
|
|
|
#include <in/instrs.h>
|
|
|
|
//
|
|
// Stack manipulation instructions
|
|
//
|
|
|
|
IMPL_START_1(push)
|
|
{
|
|
rsp -= 8;
|
|
writemem(ctx, v1, rsp, 8);
|
|
}
|
|
IMPL_END;
|
|
|
|
IMPL_START_1(pop)
|
|
{
|
|
v1 = readmem(ctx, rsp, 8);
|
|
rsp += 8;
|
|
}
|
|
IMPL_OUT;
|
|
|
|
IMPL_START_1(call)
|
|
{
|
|
rsp -= 8;
|
|
writemem(ctx, rip, rsp, 8);
|
|
|
|
rip = v1;
|
|
}
|
|
IMPL_END;
|
|
|
|
IMPL_START_0(ret)
|
|
{
|
|
rip = readmem(ctx, rsp, 8);
|
|
rsp += 8;
|
|
}
|
|
IMPL_END;
|
|
|
|
IMPL_START_0(enter)
|
|
{
|
|
writemem(ctx, rbp, rsp - 8, 8);
|
|
rbp = rsp - 8;
|
|
rsp -= (p1->val + 1) * 8;
|
|
}
|
|
IMPL_END;
|
|
|
|
IMPL_START_0(leave)
|
|
{
|
|
rsp = rbp + 8;
|
|
rbp = readmem(ctx, rbp, 8);
|
|
}
|
|
IMPL_END;
|
|
|