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f4f4caab0e
I wanted a tiny scriptable meltdown proof way to run userspace programs and visualize how program execution impacts memory. It helps to explain how things like Actually Portable Executable works. It can show you how the GCC generated code is going about manipulating matrices and more. I didn't feel fully comfortable with Qemu and Bochs because I'm not smart enough to understand them. I wanted something like gVisor but with much stronger levels of assurances. I wanted a single binary that'll run, on all major operating systems with an embedded GPL barrier ZIP filesystem that is tiny enough to transpile to JavaScript and run in browsers too. https://justine.storage.googleapis.com/emulator625.mp4
19 lines
582 B
C
19 lines
582 B
C
#ifndef COSMOPOLITAN_TOOL_BUILD_EMUBIN_METALSHA256_H_
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#define COSMOPOLITAN_TOOL_BUILD_EMUBIN_METALSHA256_H_
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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struct MetalSha256Ctx {
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uint8_t data[64];
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uint32_t datalen;
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uint64_t bitlen;
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uint32_t state[8];
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};
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void MetalSha256Init(struct MetalSha256Ctx *);
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void MetalSha256Update(struct MetalSha256Ctx *, const uint8_t *, long);
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void MetalSha256Final(struct MetalSha256Ctx *, uint8_t *);
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_TOOL_BUILD_EMUBIN_METALSHA256_H_ */
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