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Remove some legacy cruft

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Function trace logs will report stack usage accurately. It won't include
the argv/environ block. Our clone() polyfill is now simpler and does not
use as much stack memory. Function call tracing on x86 is now faster too
This commit is contained in:
Justine Tunney 2025-01-02 18:44:07 -08:00
parent 8db646f6b2
commit a15958edc6
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GPG key ID: BE714B4575D6E328
21 changed files with 291 additions and 467 deletions
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2
libc/sysv/systemfive.S
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@ -187,7 +187,7 @@ systemfive_error:
#endif
systemfive_errno:
xchg %eax,%ecx
.errno
call __errno_location
mov %ecx,(%rax) // normalize to c library convention
push $-1 // negative one is only error result
pop %rax // the push pop is to save code size