55 lines
736 B
C
55 lines
736 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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rsp -= 8;
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writemem(ctx, v1, rsp, 8);
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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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v1 = readmem(ctx, rsp, 8);
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rsp += 8;
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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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rsp -= 8;
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writemem(ctx, rip, rsp, 8);
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rip = 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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rip = readmem(ctx, rsp, 8);
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rsp += 8;
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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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writemem(ctx, rbp, rsp - 8, 8);
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rbp = rsp - 8;
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rsp -= (p1->val + 1) * 8;
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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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rsp = rbp + 8;
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rbp = readmem(ctx, rbp, 8);
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}
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IMPL_END;
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