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Stellux posix cwd semantics #65

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Merged
FlareCoding merged 7 commits into from
Mar 4, 2026
Merged

Stellux posix cwd semantics #65

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38e8587
feat(fs): add base-relative lookup APIs and node path reconstruction
cursoragent Mar 4, 2026
989a79d
feat(sched): track and clean up task cwd references
cursoragent Mar 4, 2026
c12539b
feat(syscall): implement cwd syscalls and POSIX-style dirfd path sema…
cursoragent Mar 4, 2026
4f0cf9e
fix(cwd): prevent syscall stack overflow and add fs resolver tests
cursoragent Mar 4, 2026
4b02313
Deduplicate fs errno mapping and remove dead path_parent
cursoragent Mar 4, 2026
27ffd14
Fix *at path traversal semantics and path buffer guard
cursoragent Mar 4, 2026
780ddb2
Reject AT_FDCWD in fchdir
cursoragent Mar 4, 2026
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3 changes: 3 additions & 0 deletions kernel/arch/aarch64/syscall/linux_syscalls.h
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Original file line number Diff line number Diff line change
Expand Up @@ -5,10 +5,13 @@

namespace syscall::linux_nr {

constexpr uint64_t GETCWD = 17;
constexpr uint64_t FCNTL = 25;
constexpr uint64_t IOCTL = 29;
constexpr uint64_t UNLINKAT = 35;
constexpr uint64_t FTRUNCATE = 46;
constexpr uint64_t CHDIR = 49;
constexpr uint64_t FCHDIR = 50;
constexpr uint64_t OPENAT = 56;
constexpr uint64_t CLOSE = 57;
constexpr uint64_t GETDENTS64 = 61;
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3 changes: 3 additions & 0 deletions kernel/arch/x86_64/syscall/linux_syscalls.h
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Expand Up @@ -27,6 +27,9 @@ constexpr uint64_t SOCKETPAIR = 53;
constexpr uint64_t EXIT = 60;
constexpr uint64_t FCNTL = 72;
constexpr uint64_t FTRUNCATE = 77;
constexpr uint64_t GETCWD = 79;
constexpr uint64_t CHDIR = 80;
constexpr uint64_t FCHDIR = 81;
constexpr uint64_t ARCH_PRCTL = 158;
constexpr uint64_t GETDENTS64 = 217;
constexpr uint64_t SET_TID_ADDRESS = 218;
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