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Kernel+LibC: Add sys$perf_register_string()

This syscall allows userspace to register a keyed string that appears in
a new "strings" JSON object in profile output.

This will be used to add custom strings to profile signposts. :^)
This commit is contained in:
Andreas Kling 2021-08-11 20:28:29 +02:00
parent 00b11d7577
commit 4657c79143
7 changed files with 43 additions and 0 deletions

View file

@ -400,6 +400,7 @@ public:
KResultOr<FlatPtr> sys$pledge(Userspace<const Syscall::SC_pledge_params*>);
KResultOr<FlatPtr> sys$unveil(Userspace<const Syscall::SC_unveil_params*>);
KResultOr<FlatPtr> sys$perf_event(int type, FlatPtr arg1, FlatPtr arg2);
KResultOr<FlatPtr> sys$perf_register_string(FlatPtr string_id, Userspace<char const*>, size_t);
KResultOr<FlatPtr> sys$get_stack_bounds(Userspace<FlatPtr*> stack_base, Userspace<size_t*> stack_size);
KResultOr<FlatPtr> sys$ptrace(Userspace<const Syscall::SC_ptrace_params*>);
KResultOr<FlatPtr> sys$sendfd(int sockfd, int fd);