diff options
| author | kitty <nepeta@canaglie.net> | 2026-03-19 17:46:09 +1100 |
|---|---|---|
| committer | kitty <nepeta@canaglie.net> | 2026-03-19 17:46:09 +1100 |
| commit | e8d44270cde4c9e3149cde0ab9ae6bf58cd05578 (patch) | |
| tree | 5ff0fdeabba7fe29c43ee02f404c172bb6bcf282 /sanctuary.s | |
| parent | d1cee77ae93afa7bf6b6263933c9199e226530ef (diff) | |
`grow` calls `executable`
Diffstat (limited to 'sanctuary.s')
| -rw-r--r-- | sanctuary.s | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/sanctuary.s b/sanctuary.s index f1a7047..f9fc5f0 100644 --- a/sanctuary.s +++ b/sanctuary.s @@ -73,12 +73,6 @@ _start: mov r11, init_brk pspush r11 call grow - ; TODO grow should call executable automatically - mov r11, qword [dp0] - pspush r11 - mov r11, init_brk - pspush r11 - call executable call interpret call bye @@ -97,6 +91,13 @@ defcode "grow", grow, 0 mov rax, __NR_brk syscall mov qword [dp$], rax + ; this marks the *whole user memory* as executable. + ; technically redundant but i think it's fine + mov r14, qword [dp0] + pspush r14 + sub rax, r14 + pspush rax + call executable ret defcode "executable", executable, 0 |