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checker: allow EnumName(number) casts only inside unsafe{} blocks (#15932)

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This commit is contained in:
Swastik Baranwal
2022-10-03 01:09:11 +05:30
committed by GitHub
parent 7993f0bf39
commit b584e1df98
32 changed files with 129 additions and 97 deletions
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16
vlib/builtin/linux_bare/linux_syscalls.v
View File

@ -225,7 +225,7 @@ enum WiSiCode {
fn split_int_errno(rc_in u64) (i64, Errno) {
rc := i64(rc_in)
if rc < 0 {
return i64(-1), Errno(-rc)
return i64(-1), unsafe { Errno(-rc) }
}
return rc, Errno.enoerror
}
@ -247,7 +247,7 @@ fn sys_open(filename &byte, flags i64, mode int) (i64, Errno) {
// 3 sys_close
fn sys_close(fd i64) Errno {
return Errno(-i64(sys_call1(3, u64(fd))))
return unsafe { Errno(-i64(sys_call1(3, u64(fd)))) }
}
// 9 sys_mmap
@ -259,7 +259,7 @@ fn sys_mmap(addr &byte, len u64, prot MemProt, flags MapFlags, fildes u64, off u
// 11 sys_munmap
fn sys_munmap(addr voidptr, len u64) Errno {
return Errno(-sys_call2(11, u64(addr), len))
return unsafe { Errno(-sys_call2(11, u64(addr), len)) }
}
// 25 sys_mremap
@ -271,17 +271,17 @@ fn sys_mremap(old_addr voidptr, old_len u64, new_len u64, flags u64) (&byte, Err
// 22 sys_pipe
fn sys_pipe(filedes &int) Errno {
return Errno(sys_call1(22, u64(filedes)))
return unsafe { Errno(sys_call1(22, u64(filedes))) }
}
// 24 sys_sched_yield
fn sys_sched_yield() Errno {
return Errno(sys_call0(24))
return unsafe { Errno(sys_call0(24)) }
}
// 28 sys_madvise
fn sys_madvise(addr voidptr, len u64, advice int) Errno {
return Errno(sys_call3(28, u64(addr), len, u64(advice)))
return unsafe { Errno(sys_call3(28, u64(addr), len, u64(advice))) }
}
// 39 sys_getpid
@ -323,7 +323,9 @@ fn sys_getuid() int {
// 247 sys_waitid
fn sys_waitid(which WiWhich, pid int, infop &int, options int, ru voidptr) Errno {
return Errno(sys_call5(247, u64(which), u64(pid), u64(infop), u64(options), u64(ru)))
return unsafe {
Errno(sys_call5(247, u64(which), u64(pid), u64(infop), u64(options), u64(ru)))
}
}
fn sys_call0(scn u64) u64 {

8
vlib/builtin/linux_bare/memory_managment.v
View File

@ -6,8 +6,8 @@ fn mm_alloc(size u64) (&byte, Errno) {
// BEGIN CONSTS
// the constants need to be here, since the initialization of other constants,
// which happen before these ones would, require malloc
mem_prot := MemProt(int(MemProt.prot_read) | int(MemProt.prot_write))
map_flags := MapFlags(int(MapFlags.map_private) | int(MapFlags.map_anonymous))
mem_prot := unsafe { MemProt(int(MemProt.prot_read) | int(MemProt.prot_write)) }
map_flags := unsafe { MapFlags(int(MapFlags.map_private) | int(MapFlags.map_anonymous)) }
// END CONSTS
a, e := sys_mmap(&u8(0), size + sizeof(u64), mem_prot, map_flags, -1, 0)
@ -34,8 +34,8 @@ fn system_alloc(_ voidptr, size usize) (voidptr, usize, u32) {
// BEGIN CONSTS
// the constants need to be here, since the initialization of other constants,
// which happen before these ones would, require malloc
mem_prot := MemProt(int(MemProt.prot_read) | int(MemProt.prot_write))
map_flags := MapFlags(int(MapFlags.map_private) | int(MapFlags.map_anonymous))
mem_prot := unsafe { MemProt(int(MemProt.prot_read) | int(MemProt.prot_write)) }
map_flags := unsafe { MapFlags(int(MapFlags.map_private) | int(MapFlags.map_anonymous)) }
// END CONSTS
a, e := sys_mmap(&u8(0), u64(size), mem_prot, map_flags, -1, 0)