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Cygwin: memory_layout.h: define absolute MMAP_STORAGE_HIGH values here 

Use the symbolic values in wincap.cc.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2022-10-26 22:04:41 +02:00
parent 0508e11f88
commit 49df152de7
2 changed files with 22 additions and 17 deletions
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12
winsup/cygwin/local_includes/memory_layout.h
View File

@ -52,8 +52,12 @@ details. */
so there's not much chance to meet unluckily. */
#define USERHEAP_START 0xa00000000UL
/* The memory region used for memory maps.
Up to Win 8 only 44 bit address space, 48 bit starting witrh 8.1, so
the max value is variable. */
#define MMAP_STORAGE_LOW 0x001000000000L /* Leave ~32 Gigs for heap. */
/* The memory region used for memory maps. Mmaps grow downwards.
Set the lowest address to leave ~32 Gigs for heap.
Up to Win 8 we only have a 44 bit address space, 48 bit address space
starting with 8.1, so the max value is a system-specific variable. */
#define MMAP_STORAGE_LOW 0x001000000000UL
#define __MMAP_STORAGE_HIGH_LEGACY 0x070000000000UL
#define __MMAP_STORAGE_HIGH 0x700000000000UL
#define MMAP_STORAGE_HIGH wincap.mmap_storage_high ()

25
winsup/cygwin/wincap.cc
View File

@ -11,6 +11,7 @@ details. */
#include "miscfuncs.h"
#include "security.h"
#include "ntdll.h"
#include "memory_layout.h"
/* CV, 2008-10-23: All wincapc's have to be in the .cygwin_dll_common section,
same as wincap itself. Otherwise the capability changes made in
@ -20,7 +21,7 @@ details. */
wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
def_guard_pages:2,
mmap_storage_high:0x070000000000LL,
mmap_storage_high:__MMAP_STORAGE_HIGH_LEGACY,
{
is_server:false,
needs_query_information:true,
@ -51,7 +52,7 @@ wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
wincaps wincap_8 __attribute__((section (".cygwin_dll_common"), shared)) = {
def_guard_pages:3,
mmap_storage_high:0x070000000000LL,
mmap_storage_high:__MMAP_STORAGE_HIGH_LEGACY,
{
is_server:false,
needs_query_information:true,
@ -82,7 +83,7 @@ wincaps wincap_8 __attribute__((section (".cygwin_dll_common"), shared)) = {
wincaps wincap_8_1 __attribute__((section (".cygwin_dll_common"), shared)) = {
def_guard_pages:3,
mmap_storage_high:0x700000000000LL,
mmap_storage_high:__MMAP_STORAGE_HIGH,
{
is_server:false,
needs_query_information:false,
@ -113,7 +114,7 @@ wincaps wincap_8_1 __attribute__((section (".cygwin_dll_common"), shared)) = {
wincaps wincap_10_1507 __attribute__((section (".cygwin_dll_common"), shared)) = {
def_guard_pages:3,
mmap_storage_high:0x700000000000LL,
mmap_storage_high:__MMAP_STORAGE_HIGH,
{
is_server:false,
needs_query_information:false,
@ -144,7 +145,7 @@ wincaps wincap_10_1507 __attribute__((section (".cygwin_dll_common"), shared))
wincaps wincap_10_1607 __attribute__((section (".cygwin_dll_common"), shared)) = {
def_guard_pages:3,
mmap_storage_high:0x700000000000LL,
mmap_storage_high:__MMAP_STORAGE_HIGH,
{
is_server:false,
needs_query_information:false,
@ -175,7 +176,7 @@ wincaps wincap_10_1607 __attribute__((section (".cygwin_dll_common"), shared))
wincaps wincap_10_1703 __attribute__((section (".cygwin_dll_common"), shared)) = {
def_guard_pages:3,
mmap_storage_high:0x700000000000LL,
mmap_storage_high:__MMAP_STORAGE_HIGH,
{
is_server:false,
needs_query_information:false,
@ -206,7 +207,7 @@ wincaps wincap_10_1703 __attribute__((section (".cygwin_dll_common"), shared)) =
wincaps wincap_10_1709 __attribute__((section (".cygwin_dll_common"), shared)) = {
def_guard_pages:3,
mmap_storage_high:0x700000000000LL,
mmap_storage_high:__MMAP_STORAGE_HIGH,
{
is_server:false,
needs_query_information:false,
@ -237,7 +238,7 @@ wincaps wincap_10_1709 __attribute__((section (".cygwin_dll_common"), shared)) =
wincaps wincap_10_1803 __attribute__((section (".cygwin_dll_common"), shared)) = {
def_guard_pages:3,
mmap_storage_high:0x700000000000LL,
mmap_storage_high:__MMAP_STORAGE_HIGH,
{
is_server:false,
needs_query_information:false,
@ -268,7 +269,7 @@ wincaps wincap_10_1803 __attribute__((section (".cygwin_dll_common"), shared)) =
wincaps wincap_10_1809 __attribute__((section (".cygwin_dll_common"), shared)) = {
def_guard_pages:3,
mmap_storage_high:0x700000000000LL,
mmap_storage_high:__MMAP_STORAGE_HIGH,
{
is_server:false,
needs_query_information:false,
@ -299,7 +300,7 @@ wincaps wincap_10_1809 __attribute__((section (".cygwin_dll_common"), shared)) =
wincaps wincap_10_1903 __attribute__((section (".cygwin_dll_common"), shared)) = {
def_guard_pages:3,
mmap_storage_high:0x700000000000LL,
mmap_storage_high:__MMAP_STORAGE_HIGH,
{
is_server:false,
needs_query_information:false,
@ -330,7 +331,7 @@ wincaps wincap_10_1903 __attribute__((section (".cygwin_dll_common"), shared)) =
wincaps wincap_10_2004 __attribute__((section (".cygwin_dll_common"), shared)) = {
def_guard_pages:3,
mmap_storage_high:0x700000000000LL,
mmap_storage_high:__MMAP_STORAGE_HIGH,
{
is_server:false,
needs_query_information:false,
@ -361,7 +362,7 @@ wincaps wincap_10_2004 __attribute__((section (".cygwin_dll_common"), shared)) =
wincaps wincap_11 __attribute__((section (".cygwin_dll_common"), shared)) = {
def_guard_pages:3,
mmap_storage_high:0x700000000000LL,
mmap_storage_high:__MMAP_STORAGE_HIGH,
{
is_server:false,
needs_query_information:false,