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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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4
tool/build/lib/elfwriter.c
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@ -87,8 +87,8 @@ static void MakeRelaSection(struct ElfWriter *elf, size_t section) {
elfwriter_align(elf, alignof(Elf64_Rela), sizeof(Elf64_Rela));
shdr = elfwriter_startsection(
elf,
_gc(xasprintf("%s%s", ".rela",
&elf->shstrtab->p[elf->shdrs->p[section].sh_name])),
gc(xasprintf("%s%s", ".rela",
&elf->shstrtab->p[elf->shdrs->p[section].sh_name])),
SHT_RELA, SHF_INFO_LINK);
elf->shdrs->p[shdr].sh_info = section;
elfwriter_reserve(elf, size);