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sync.stdatomic: workaround for libatomic.a indirect symbols tcc bug (fix #23924) (#24472)

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kbkpbot 2025-05-13 21:22:16 +08:00 committed by GitHub
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commit a3f4b06b87
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1 changed files with 27 additions and 6 deletions
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33
vlib/sync/stdatomic/1.declarations.c.v
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@ -29,19 +29,40 @@ $if linux {
#flag $when_first_existing('/usr/lib/libatomic.a','/usr/lib/gcc/x86_64-pc-linux-musl/6/libatomic.a','/usr/lib/gcc/x86_64-pc-linux-musl/7/libatomic.a','/usr/lib/gcc/x86_64-pc-linux-musl/8/libatomic.a','/usr/lib/gcc/x86_64-pc-linux-musl/9/libatomic.a','/usr/lib/gcc/x86_64-pc-linux-musl/10/libatomic.a','/usr/lib/gcc/x86_64-pc-linux-musl/11/libatomic.a','/usr/lib/gcc/x86_64-pc-linux-musl/12/libatomic.a','/usr/lib/gcc/x86_64-pc-linux-musl/13/libatomic.a','/usr/lib/gcc/x86_64-pc-linux-musl/14/libatomic.a')
}
} $else $if arm64 {
// Note: Use `.so` instead of `.a`.
// This is because `libatomic.a` atomic symbols, such as `__atomic_fetch_add_4`, are indirect(IFUNC) symbols:
// This can not be handled correctly by `tcc` right now.
// Symbol table '.symtab' contains 14 entries:
// Num: Value Size Type Bind Vis Ndx Name
// 0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND
// 1: 0000000000000000 0 SECTION LOCAL DEFAULT 1
// 2: 0000000000000000 0 NOTYPE LOCAL DEFAULT 1 $x
// 3: 0000000000000030 12 FUNC LOCAL DEFAULT 1 select_fetch_add_4
// 4: 0000000000000040 12 FUNC LOCAL DEFAULT 1 select_add_fetch_4
// 5: 0000000000000014 0 NOTYPE LOCAL DEFAULT 6 $d
// 6: 0000000000000000 0 SECTION LOCAL DEFAULT 3
// 7: 0000000000000000 0 SECTION LOCAL DEFAULT 4
// 8: 0000000000000000 0 SECTION LOCAL DEFAULT 5
// 9: 0000000000000000 0 SECTION LOCAL DEFAULT 6
// 10: 0000000000000000 24 FUNC GLOBAL HIDDEN 1 libat_fetch_add_4
// 11: 0000000000000018 24 FUNC GLOBAL HIDDEN 1 libat_add_fetch_4
// 12: 0000000000000030 12 IFUNC GLOBAL DEFAULT 1 __atomic_fetch_add_4
// 13: 0000000000000040 12 IFUNC GLOBAL DEFAULT 1 __atomic_add_fetch_4
// Debian/Ubuntu:
#flag $when_first_existing('/usr/lib/gcc/aarch64-linux-gnu/6/libatomic.a','/usr/lib/gcc/aarch64-linux-gnu/7/libatomic.a','/usr/lib/gcc/aarch64-linux-gnu/8/libatomic.a','/usr/lib/gcc/aarch64-linux-gnu/9/libatomic.a','/usr/lib/gcc/aarch64-linux-gnu/10/libatomic.a','/usr/lib/gcc/aarch64-linux-gnu/11/libatomic.a','/usr/lib/gcc/aarch64-linux-gnu/12/libatomic.a','/usr/lib/gcc/aarch64-linux-gnu/13/libatomic.a','/usr/lib/gcc/aarch64-linux-gnu/14/libatomic.a')
#flag $when_first_existing('/usr/lib/gcc/aarch64-linux-gnu/6/libatomic.so','/usr/lib/gcc/aarch64-linux-gnu/7/libatomic.so','/usr/lib/gcc/aarch64-linux-gnu/8/libatomic.so','/usr/lib/gcc/aarch64-linux-gnu/9/libatomic.so','/usr/lib/gcc/aarch64-linux-gnu/10/libatomic.so','/usr/lib/gcc/aarch64-linux-gnu/11/libatomic.so','/usr/lib/gcc/aarch64-linux-gnu/12/libatomic.so','/usr/lib/gcc/aarch64-linux-gnu/13/libatomic.so','/usr/lib/gcc/aarch64-linux-gnu/14/libatomic.so')
// Redhat/CentOS:
#flag $when_first_existing('/usr/lib/gcc/aarch64-redhat-linux/6/libatomic.a','/usr/lib/gcc/aarch64-redhat-linux/7/libatomic.a','/usr/lib/gcc/aarch64-redhat-linux/8/libatomic.a','/usr/lib/gcc/aarch64-redhat-linux/9/libatomic.a','/usr/lib/gcc/aarch64-redhat-linux/10/libatomic.a','/usr/lib/gcc/aarch64-redhat-linux/11/libatomic.a','/usr/lib/gcc/aarch64-redhat-linux/12/libatomic.a','/usr/lib/gcc/aarch64-redhat-linux/13/libatomic.a','/usr/lib/gcc/aarch64-redhat-linux/14/libatomic.a')
#flag $when_first_existing('/usr/lib/gcc/aarch64-redhat-linux/6/libatomic.so','/usr/lib/gcc/aarch64-redhat-linux/7/libatomic.so','/usr/lib/gcc/aarch64-redhat-linux/8/libatomic.so','/usr/lib/gcc/aarch64-redhat-linux/9/libatomic.so','/usr/lib/gcc/aarch64-redhat-linux/10/libatomic.so','/usr/lib/gcc/aarch64-redhat-linux/11/libatomic.so','/usr/lib/gcc/aarch64-redhat-linux/12/libatomic.so','/usr/lib/gcc/aarch64-redhat-linux/13/libatomic.so','/usr/lib/gcc/aarch64-redhat-linux/14/libatomic.so')
// Gentoo:
#flag $when_first_existing('/usr/lib/gcc/aarch64-pc-linux-gnu/6/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-gnu/7/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-gnu/8/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-gnu/9/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-gnu/10/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-gnu/11/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-gnu/12/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-gnu/13/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-gnu/14/libatomic.a')
#flag $when_first_existing('/usr/lib/gcc/aarch64-pc-linux-gnu/6/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-gnu/7/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-gnu/8/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-gnu/9/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-gnu/10/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-gnu/11/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-gnu/12/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-gnu/13/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-gnu/14/libatomic.so')
// OpenSUSE:
#flag $when_first_existing('/usr/lib64/gcc/aarch64-suse-linux/6/libatomic.a','/usr/lib64/gcc/aarch64-suse-linux/7/libatomic.a','/usr/lib64/gcc/aarch64-suse-linux/8/libatomic.a','/usr/lib64/gcc/aarch64-suse-linux/9/libatomic.a','/usr/lib64/gcc/aarch64-suse-linux/10/libatomic.a','/usr/lib64/gcc/aarch64-suse-linux/11/libatomic.a','/usr/lib64/gcc/aarch64-suse-linux/12/libatomic.a','/usr/lib64/gcc/aarch64-suse-linux/13/libatomic.a','/usr/lib64/gcc/aarch64-suse-linux/14/libatomic.a')
#flag $when_first_existing('/usr/lib64/gcc/aarch64-suse-linux/6/libatomic.so','/usr/lib64/gcc/aarch64-suse-linux/7/libatomic.so','/usr/lib64/gcc/aarch64-suse-linux/8/libatomic.so','/usr/lib64/gcc/aarch64-suse-linux/9/libatomic.so','/usr/lib64/gcc/aarch64-suse-linux/10/libatomic.so','/usr/lib64/gcc/aarch64-suse-linux/11/libatomic.so','/usr/lib64/gcc/aarch64-suse-linux/12/libatomic.so','/usr/lib64/gcc/aarch64-suse-linux/13/libatomic.so','/usr/lib64/gcc/aarch64-suse-linux/14/libatomic.so')
// ALT Linux:
#flag $when_first_existing('/usr/lib64/gcc/aarch64-alt-linux/6/libatomic.a','/usr/lib64/gcc/aarch64-alt-linux/7/libatomic.a','/usr/lib64/gcc/aarch64-alt-linux/8/libatomic.a','/usr/lib64/gcc/aarch64-alt-linux/9/libatomic.a','/usr/lib64/gcc/aarch64-alt-linux/10/libatomic.a','/usr/lib64/gcc/aarch64-alt-linux/11/libatomic.a','/usr/lib64/gcc/aarch64-alt-linux/12/libatomic.a','/usr/lib64/gcc/aarch64-alt-linux/13/libatomic.a','/usr/lib64/gcc/aarch64-alt-linux/14/libatomic.a')
#flag $when_first_existing('/usr/lib64/gcc/aarch64-alt-linux/6/libatomic.so','/usr/lib64/gcc/aarch64-alt-linux/7/libatomic.so','/usr/lib64/gcc/aarch64-alt-linux/8/libatomic.so','/usr/lib64/gcc/aarch64-alt-linux/9/libatomic.so','/usr/lib64/gcc/aarch64-alt-linux/10/libatomic.so','/usr/lib64/gcc/aarch64-alt-linux/11/libatomic.so','/usr/lib64/gcc/aarch64-alt-linux/12/libatomic.so','/usr/lib64/gcc/aarch64-alt-linux/13/libatomic.so','/usr/lib64/gcc/aarch64-alt-linux/14/libatomic.so')
$if musl ? {
// Alpine:
#flag $when_first_existing('/usr/lib/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-musl/6/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-musl/7/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-musl/8/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-musl/9/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-musl/10/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-musl/11/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-musl/12/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-musl/13/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-musl/14/libatomic.a')
#flag $when_first_existing('/usr/lib/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-musl/6/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-musl/7/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-musl/8/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-musl/9/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-musl/10/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-musl/11/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-musl/12/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-musl/13/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-musl/14/libatomic.so')
}
}
}