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Rewrite ZipOS

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This reduces the virtual memory usage of Emacs for me by 30%. We now
have a simpler implementation that uses read(), rather mmap()ing the
whole executable.
This commit is contained in:
Justine Tunney 2023-10-03 07:27:25 -07:00
parent ff77f2a6af
commit b01282e23e
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GPG key ID: BE714B4575D6E328
21 changed files with 408 additions and 421 deletions
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7
libc/intrin/kprintf.greg.c
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@ -135,7 +135,6 @@ __msabi extern typeof(WriteFile) *const __imp_WriteFile;
// clang-format on
long __klog_handle;
extern struct SymbolTable *__symtab;
__funline char *kadvance(char *p, char *e, long n) {
intptr_t t = (intptr_t)p;
@ -755,11 +754,11 @@ privileged static size_t kformat(char *b, size_t n, const char *fmt,
// can be manually consulted to look up the faulting code.
int idx;
x = va_arg(va, intptr_t);
if (_weaken(__symtab) && *_weaken(__symtab) &&
if (_weaken(__symtab) && _weaken(__symtab)->st &&
(idx = _weaken(__get_symbol)(0, x)) != -1) {
if (p + 1 <= e) *p++ = '&';
s = (*_weaken(__symtab))->name_base +
(*_weaken(__symtab))->names[idx];
s = _weaken(__symtab)->st->name_base +
_weaken(__symtab)->st->names[idx];
goto FormatString;
}
base = 4;