diff options
author | dzwdz | 2021-08-24 19:05:46 +0200 |
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committer | dzwdz | 2021-08-24 19:05:46 +0200 |
commit | b988b821372466ed58eb1d2116bcbb158f70346c (patch) | |
tree | 669bb9331082848277031632e818e8293fb6e44c /src/kernel/proc.h | |
parent | 04878a07e587f26fe6d5a1044b69651406e3aa1c (diff) |
switch to using user_ptr for pointers coming from userland
this avoid accidental dereferences, and now it's easy to tell apart
which pointers are safe to directly read and which aren't.
cons:
- const is completely discarded
Diffstat (limited to 'src/kernel/proc.h')
-rw-r--r-- | src/kernel/proc.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/kernel/proc.h b/src/kernel/proc.h index 87fed14..6de270b 100644 --- a/src/kernel/proc.h +++ b/src/kernel/proc.h @@ -11,7 +11,7 @@ enum process_state { }; struct process { - void *stack_top; + user_ptr stack_top; struct pagedir *pages; struct registers regs; enum process_state state; @@ -25,7 +25,7 @@ struct process { // meaning changes depending on the state // PS_DEAD - death message // PS_WAITS4CHILDDEATH - buffer for said message - void *saved_addr; + user_ptr saved_addr; size_t saved_len; struct vfs_mount *mount; |