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Change support vector to Windows 8+

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Doing this makes binaries tinier, since we don't need to have all the
extra code for supporting a 32-bit address space. It also benefits us
because we're able to use WIN32 futexes, which makes locking simpler.

b69f3d2488 is what officially ended our
Windows 7 support. This change is merely a formalization. You can use
old versions of Cosmo now and forevermore if you need Windows 7 since
our repository is hermetic and vendors all its dependencies.

Won't fix #617
This commit is contained in:
Justine Tunney 2022-09-15 03:49:34 -07:00
parent 6c90f830d9
commit 134ffee519
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
25 changed files with 296 additions and 167 deletions
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12
libc/nt/API-MS-Win-Core-Synch-l1-2-0/WaitOnAddress.s Normal file
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@ -0,0 +1,12 @@
.include "o/libc/nt/codegen.inc"
.imp API-MS-Win-Core-Synch-l1-2-0,__imp_WaitOnAddress,WaitOnAddress,111
.text.windows
WaitOnAddress:
push %rbp
mov %rsp,%rbp
.profilable
mov __imp_WaitOnAddress(%rip),%rax
jmp __sysv2nt
.endfn WaitOnAddress,globl
.previous

15
libc/nt/API-MS-Win-Core-Synch-l1-2-0/WakeByAddressAll.s Normal file
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@ -0,0 +1,15 @@
.include "o/libc/nt/codegen.inc"
.imp API-MS-Win-Core-Synch-l1-2-0,__imp_WakeByAddressAll,WakeByAddressAll,113
.text.windows
WakeByAddressAll:
push %rbp
mov %rsp,%rbp
.profilable
mov %rdi,%rcx
sub $32,%rsp
call *__imp_WakeByAddressAll(%rip)
leave
ret
.endfn WakeByAddressAll,globl
.previous

15
libc/nt/API-MS-Win-Core-Synch-l1-2-0/WakeByAddressSingle.s Normal file
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@ -0,0 +1,15 @@
.include "o/libc/nt/codegen.inc"
.imp API-MS-Win-Core-Synch-l1-2-0,__imp_WakeByAddressSingle,WakeByAddressSingle,116
.text.windows
WakeByAddressSingle:
push %rbp
mov %rsp,%rbp
.profilable
mov %rdi,%rcx
sub $32,%rsp
call *__imp_WakeByAddressSingle(%rip)
leave
ret
.endfn WakeByAddressSingle,globl
.previous

2
libc/nt/errors.h
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@ -992,7 +992,7 @@
#define kNtErrorInvalidKeyboardHandle 1457
#define kNtErrorHookTypeNotAllowed 1458
#define kNtErrorRequiresInteractiveWindowstation 1459
#define kNtErrorTimeout 1460
#define kNtErrorTimeout 1460 /* ETIMEDOUT */
#define kNtErrorInvalidMonitorHandle 1461
#define kNtErrorIncorrectSize 1462
#define kNtErrorSymlinkClassDisabled 1463

7
libc/nt/master.sh
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@ -3554,6 +3554,13 @@ imp 'InetIsOffline' InetIsOffline url 106
imp 'MIMEAssociationDialog' MIMEAssociationDialogW url 108
imp 'MailToProtocolHandler' MailToProtocolHandler url 109
# API-MS-Win-Core-Synch-l1-2-0.dll (Windows 8+)
#
# Name Actual DLL Hint Arity
imp 'WaitOnAddress' WaitOnAddress API-MS-Win-Core-Synch-l1-2-0 111 4
imp 'WakeByAddressAll' WakeByAddressAll API-MS-Win-Core-Synch-l1-2-0 113 1
imp 'WakeByAddressSingle' WakeByAddressSingle API-MS-Win-Core-Synch-l1-2-0 116 1
# NTDLL.DLL
# BEYOND THE PALE
#

21
libc/nt/nt.mk
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@ -167,6 +167,27 @@ $(LIBC_NT_URL_A).pkg: \
#───────────────────────────────────────────────────────────────────────────────
LIBC_NT_ARTIFACTS += LIBC_NT_SYNCHRONIZATION_A
LIBC_NT_SYNCHRONIZATION = $(LIBC_NT_SYNCHRONIZATION_A_DEPS) $(LIBC_NT_SYNCHRONIZATION_A)
LIBC_NT_SYNCHRONIZATION_A = o/$(MODE)/libc/nt/synchronization.a
LIBC_NT_SYNCHRONIZATION_A_SRCS := $(wildcard libc/nt/API-MS-Win-Core-Synch-l1-2-0/*.s)
LIBC_NT_SYNCHRONIZATION_A_OBJS = $(LIBC_NT_SYNCHRONIZATION_A_SRCS:%.s=o/$(MODE)/%.o)
LIBC_NT_SYNCHRONIZATION_A_CHECKS = $(LIBC_NT_SYNCHRONIZATION_A).pkg
LIBC_NT_SYNCHRONIZATION_A_DIRECTDEPS = LIBC_NT_KERNEL32
LIBC_NT_SYNCHRONIZATION_A_DEPS := \
$(call uniq,$(foreach x,$(LIBC_NT_SYNCHRONIZATION_A_DIRECTDEPS),$($(x))))
$(LIBC_NT_SYNCHRONIZATION_A): \
libc/nt/API-MS-Win-Core-Synch-l1-2-0/ \
$(LIBC_NT_SYNCHRONIZATION_A).pkg \
$(LIBC_NT_SYNCHRONIZATION_A_OBJS)
$(LIBC_NT_SYNCHRONIZATION_A).pkg: \
$(LIBC_NT_SYNCHRONIZATION_A_OBJS) \
$(foreach x,$(LIBC_NT_SYNCHRONIZATION_A_DIRECTDEPS),$($(x)_A).pkg)
#───────────────────────────────────────────────────────────────────────────────
LIBC_NT_ARTIFACTS += LIBC_NT_USER32_A
LIBC_NT_USER32 = $(LIBC_NT_USER32_A_DEPS) $(LIBC_NT_USER32_A)
LIBC_NT_USER32_A = o/$(MODE)/libc/nt/user32.a

5
libc/nt/synchronization.h
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@ -54,6 +54,11 @@ typedef void (*NtTimerapcroutine)(void *lpArgToCompletionRoutine,
typedef void (*NtWaitOrTimerCallback)(void *lpParameter,
bool32 TimerOrWaitFired);
void WakeByAddressAll(void *Address);
void WakeByAddressSingle(void *Address);
bool32 WaitOnAddress(volatile void *Address, void *CompareAddress,
size_t AddressSize, uint32_t opt_dwMilliseconds);
void Sleep(uint32_t dwMilliseconds);
uint32_t SleepEx(uint32_t dwMilliseconds, bool32 bAlertable);