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Make mappings unlimited on NT

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This change might also fix fork() in certain cases on NT.
This commit is contained in:
Justine Tunney 2021-09-04 13:20:47 -07:00
parent ab64c746cc
commit 34b68f1945
31 changed files with 356 additions and 127 deletions
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10
libc/nt/kernel32/GlobalAlloc.s
View file

@ -1,2 +1,12 @@
.include "o/libc/nt/codegen.inc"
.imp kernel32,__imp_GlobalAlloc,GlobalAlloc,0
.text.windows
GlobalAlloc:
push %rbp
mov %rsp,%rbp
.profilable
mov __imp_GlobalAlloc(%rip),%rax
jmp __sysv2nt
.endfn GlobalAlloc,globl
.previous

13
libc/nt/kernel32/GlobalFree.s
View file

@ -1,2 +1,15 @@
.include "o/libc/nt/codegen.inc"
.imp kernel32,__imp_GlobalFree,GlobalFree,0
.text.windows
GlobalFree:
push %rbp
mov %rsp,%rbp
.profilable
mov %rdi,%rcx
sub $32,%rsp
call *__imp_GlobalFree(%rip)
leave
ret
.endfn GlobalFree,globl
.previous

4
libc/nt/master.sh
View file

@ -2785,14 +2785,14 @@ imp 'GlobalAddAtomA' GlobalAddAtomA kernel32 815
imp 'GlobalAddAtomExA' GlobalAddAtomExA kernel32 816
imp 'GlobalAddAtomEx' GlobalAddAtomExW kernel32 817
imp 'GlobalAddAtom' GlobalAddAtomW kernel32 818
imp 'GlobalAlloc' GlobalAlloc kernel32 0 # KernelBase
imp 'GlobalAlloc' GlobalAlloc kernel32 0 2 # KernelBase
imp 'GlobalCompact' GlobalCompact kernel32 820
imp 'GlobalDeleteAtom' GlobalDeleteAtom kernel32 821
imp 'GlobalFindAtomA' GlobalFindAtomA kernel32 822
imp 'GlobalFindAtom' GlobalFindAtomW kernel32 823
imp 'GlobalFix' GlobalFix kernel32 824
imp 'GlobalFlags' GlobalFlags kernel32 825
imp 'GlobalFree' GlobalFree kernel32 0 # KernelBase
imp 'GlobalFree' GlobalFree kernel32 0 1 # KernelBase
imp 'GlobalGetAtomNameA' GlobalGetAtomNameA kernel32 827
imp 'GlobalGetAtomName' GlobalGetAtomNameW kernel32 828
imp 'GlobalHandle' GlobalHandle kernel32 829

3
libc/nt/memory.h
View file

@ -70,6 +70,9 @@ bool32 PrefetchVirtualMemory(int64_t hProcess, const uint32_t *NumberOfEntries,
bool32 OfferVirtualMemory(void *inout_VirtualAddress, size_t Size,
int Priority);
void *GlobalAlloc(uint32_t uFlags, uint64_t dwBytes) nodiscard;
void *GlobalFree(void *hMem);
#if ShouldUseMsabiAttribute()
#include "libc/nt/thunk/memory.inc"
#endif /* ShouldUseMsabiAttribute() */