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Bring back gc() function

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Renaming gc() to _gc() was a mistake since the better thing to do is put
it behind the _COSMO_SOURCE macro. We need this change because I haven't
wanted to use my amazing garbage collector ever since we renamed it. You
now need to define _COSMO_SOURCE yourself when using amalgamation header
and cosmocc users need to pass the -mcosmo flag to get the gc() function

Some other issues relating to cancelation have been fixed along the way.
We're also now putting cosmocc in a folder named `.cosmocc` so it can be
more safely excluded by grep --exclude-dir=.cosmocc --exclude-dir=o etc.
This commit is contained in:
Justine Tunney 2024-01-08 10:07:35 -08:00
parent 6cb0354e19
commit a4b455185b
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GPG key ID: BE714B4575D6E328
280 changed files with 1362 additions and 1407 deletions
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10
tool/viz/cpuid.c
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@ -75,15 +75,15 @@ void showcachesizes(void) {
CPUID4_ITERATE(i, {
printf("%-19s%s%s %u-way %,7u byte cache w/%s %,5u sets of %u byte lines "
"shared across %u threads\n",
_gc(xasprintf("Level %u%s", CPUID4_CACHE_LEVEL,
CPUID4_CACHE_TYPE == 1 ? " data"
: CPUID4_CACHE_TYPE == 2 ? " code"
: "")),
gc(xasprintf("Level %u%s", CPUID4_CACHE_LEVEL,
CPUID4_CACHE_TYPE == 1 ? " data"
: CPUID4_CACHE_TYPE == 2 ? " code"
: "")),
CPUID4_IS_FULLY_ASSOCIATIVE ? " fully-associative" : "",
CPUID4_COMPLEX_INDEXING ? " complexly-indexed" : "",
CPUID4_WAYS_OF_ASSOCIATIVITY, CPUID4_CACHE_SIZE_IN_BYTES,
CPUID4_PHYSICAL_LINE_PARTITIONS > 1
? _gc(xasprintf(" %u physically partitioned"))
? gc(xasprintf(" %u physically partitioned"))
: "",
CPUID4_NUMBER_OF_SETS, CPUID4_SYSTEM_COHERENCY_LINE_SIZE,
CPUID4_MAX_THREADS_SHARING_CACHE);