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Add x86_64-linux-gnu emulator

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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
This commit is contained in:
Justine Tunney
2020-08-25 04:23:25 -07:00
parent 467504308a
commit f4f4caab0e
1052 changed files with 65667 additions and 7825 deletions
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12
libc/nexgen32e/nexgen32e.h
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@@ -8,14 +8,18 @@ void insertionsort(size_t n, int32_t[n]);
void *doublebytes(size_t, void *);
int64_t div10int64(int64_t) libcesque pureconst;
int64_t div100int64(int64_t) libcesque pureconst;
int64_t div1000int64(int64_t) libcesque pureconst;
int64_t div10000int64(int64_t) libcesque pureconst;
int64_t div1000000int64(int64_t) libcesque pureconst;
int64_t div1000000000int64(int64_t) libcesque pureconst;
int64_t mod10int64(int64_t) libcesque pureconst;
int64_t mod1000int64(int64_t) libcesque pureconst;
int64_t mod1000000int64(int64_t) libcesque pureconst;
int64_t mod1000000000int64(int64_t) libcesque pureconst;
int64_t rem10int64(int64_t) libcesque pureconst;
int64_t rem100int64(int64_t) libcesque pureconst;
int64_t rem1000int64(int64_t) libcesque pureconst;
int64_t rem10000int64(int64_t) libcesque pureconst;
int64_t rem1000000int64(int64_t) libcesque pureconst;
int64_t rem1000000000int64(int64_t) libcesque pureconst;
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */