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| author | Jon Santmyer <jon@jonsantmyer.com> | 2025-08-10 15:40:19 -0400 |
|---|---|---|
| committer | Jon Santmyer <jon@jonsantmyer.com> | 2025-08-10 15:40:19 -0400 |
| commit | c4f8ef91f18d854a4ede7a94e95b2eab898d6963 (patch) | |
| tree | c2772c4f380a684b6fa347f03b13f9476bf9500c /syscall/handles.h | |
| parent | b905869a35f062a4e5072f10bec3a2ba3db0e365 (diff) | |
| download | jove-kernel-c4f8ef91f18d854a4ede7a94e95b2eab898d6963.tar.gz jove-kernel-c4f8ef91f18d854a4ede7a94e95b2eab898d6963.tar.bz2 jove-kernel-c4f8ef91f18d854a4ede7a94e95b2eab898d6963.zip | |
working usermode objdir iteration
Diffstat (limited to 'syscall/handles.h')
| -rw-r--r-- | syscall/handles.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/syscall/handles.h b/syscall/handles.h index f9fd79c..5b6e395 100644 --- a/syscall/handles.h +++ b/syscall/handles.h @@ -2,7 +2,26 @@ #define _JOVE_SYSCALL_HANDLES_H 1 #include "object.h" +#include <stddef.h> -int syscall_handle_invoke_objdir(objdir_t *root_dir, objdir_t *target_dir, void *payload); +#define SYSCALL_PAYLOAD_TAKEL(p, at, val, type) \ + if(sizeof(type) + at >= KO_MESSAGE_BYTES) return -KE_BADMSG; \ + val = *((type*)(&p[at])); \ + at += sizeof(type) + +#define SYSCALL_PAYLOAD_TAKEP(p, at, val, type) \ + if(sizeof(type) + at >= KO_MESSAGE_BYTES) return -KE_BADMSG; \ + val = ((type*)(&p[at])); \ + at += sizeof(type) + +#define SYSCALL_PAYLOAD_TAKEOBJ(p, at, w, o) \ + SYSCALL_PAYLOAD_TAKEL(p, at, w, size_t); \ + if(w + payload_at >= KO_MESSAGE_BYTES) return -KE_BADMSG; \ + o = objdir_seek(root_dir, &p[at], w); \ + at += w + +int syscall_handle_invoke_objdir(objdir_t *root_dir, objdir_entry_t *target, uint8_t *payload, size_t payload_at); +int syscall_handle_invoke_untyped(objdir_t *root_dir, objdir_entry_t *target, uint8_t *payload, size_t payload_at); +int syscall_handle_invoke_mapping(objdir_t *root_dir, objdir_entry_t *target, uint8_t *payload, size_t payload_at); #endif |