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Kernel+LibC: Pass 64-bit integers in syscalls by value

Now that support for 32-bit x86 has been removed, we don't have to worry
about the top half of `off_t`/`u64` values being chopped off when we try
to pass them in registers. Therefore, we no longer need the workaround
of pointers to stack-allocated values to syscalls.

Note that this changes the system call ABI, so statically linked
programs will have to be re-linked.
This commit is contained in:
Daniel Bertalan 2023-08-11 10:47:31 +02:00
parent 87f4b0f1c2
commit 286984750e
12 changed files with 22 additions and 37 deletions

View file

@ -22,7 +22,7 @@ int disown(pid_t pid)
int profiling_enable(pid_t pid, uint64_t event_mask)
{
int rc = syscall(SC_profiling_enable, pid, &event_mask);
int rc = syscall(SC_profiling_enable, pid, event_mask);
__RETURN_WITH_ERRNO(rc, rc, -1);
}