75 lines
950 B
C
75 lines
950 B
C
// The OS/K Team licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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#include <in/instrs.h>
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//
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// Stack manipulation instructions
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//
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IMPL_START_1(push)
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{
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CHK_STACK(<);
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PUSH(v1);
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}
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IMPL_END;
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IMPL_START_1(pop)
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{
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CHK_STACK(<=);
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POP(v1);
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}
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IMPL_OUT;
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IMPL_START_1(call)
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{
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CHK_STACK(<);
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PUSH(rip);
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JUMP(v1);
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}
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IMPL_END;
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IMPL_START_0(ret)
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{
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CHK_STACK(<=);
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POP(rip);
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}
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IMPL_END;
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IMPL_START_0(enter)
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{
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// We don't CHK_STACK(<) here because ENTER
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// (should) always be preceded by a CALL,
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// which already checks the stack
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PUSH(rbp);
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rbp = rsp;
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}
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IMPL_END;
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IMPL_START_0(leave)
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{
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// Do NOT check stack here
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// (it would always fail)
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POP(rbp);
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}
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IMPL_END;
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IMPL_START_0(pushf)
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{
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CHK_STACK(<);
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PUSH(flg);
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}
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IMPL_END;
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IMPL_START_0(popf)
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{
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CHK_STACK(<=);
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// XXX
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CHK_SUPERV();
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POP(flg);
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}
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IMPL_END;
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