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Create variables for page size

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Justine Tunney 2024-07-18 21:02:59 -07:00
parent 23dfb79d33
commit 567d8fe32d
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GPG key ID: BE714B4575D6E328
34 changed files with 137 additions and 101 deletions
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18
libc/runtime/winmain.greg.c
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@ -59,6 +59,7 @@ __msabi extern typeof(AddVectoredExceptionHandler) *const __imp_AddVectoredExcep
__msabi extern typeof(CreateFileMapping) *const __imp_CreateFileMappingW;
__msabi extern typeof(DuplicateHandle) *const __imp_DuplicateHandle;
__msabi extern typeof(FreeEnvironmentStrings) *const __imp_FreeEnvironmentStringsW;
__msabi extern typeof(GetCommandLine) *const __imp_GetCommandLineW;
__msabi extern typeof(GetConsoleMode) *const __imp_GetConsoleMode;
__msabi extern typeof(GetCurrentDirectory) *const __imp_GetCurrentDirectoryW;
__msabi extern typeof(GetCurrentProcessId) *const __imp_GetCurrentProcessId;
@ -67,6 +68,7 @@ __msabi extern typeof(GetEnvironmentVariable) *const __imp_GetEnvironmentVariabl
__msabi extern typeof(GetFileAttributes) *const __imp_GetFileAttributesW;
__msabi extern typeof(GetStdHandle) *const __imp_GetStdHandle;
__msabi extern typeof(GetSystemInfo) *const __imp_GetSystemInfo;
__msabi extern typeof(GetSystemInfo) *const __imp_GetSystemInfo;
__msabi extern typeof(GetUserName) *const __imp_GetUserNameW;
__msabi extern typeof(MapViewOfFileEx) *const __imp_MapViewOfFileEx;
__msabi extern typeof(SetConsoleCP) *const __imp_SetConsoleCP;
@ -87,16 +89,6 @@ __funline int IsAlpha(int c) {
return ('A' <= c && c <= 'Z') || ('a' <= c && c <= 'z');
}
// https://nullprogram.com/blog/2022/02/18/
__funline char16_t *MyCommandLine(void) {
void *cmd;
asm("mov\t%%gs:(0x60),%0\n"
"mov\t0x20(%0),%0\n"
"mov\t0x78(%0),%0\n"
: "=r"(cmd));
return cmd;
}
static abi char16_t *StrStr(const char16_t *haystack, const char16_t *needle) {
size_t i;
for (;;) {
@ -318,9 +310,13 @@ abi int64_t WinMain(int64_t hInstance, int64_t hPrevInstance,
"sudo sh -c 'echo -1 > /proc/sys/fs/binfmt_misc/WSLInterop'\n");
return 77 << 8; // exit(77)
}
struct NtSystemInfo si;
__imp_GetSystemInfo(&si);
__pagesize = si.dwPageSize;
__gransize = si.dwAllocationGranularity;
__umask = 077;
__pid = __imp_GetCurrentProcessId();
cmdline = MyCommandLine();
cmdline = __imp_GetCommandLineW();
#if SYSDEBUG
// sloppy flag-only check for early initialization
if (StrStr(cmdline, u"--strace"))