Rebase against bcdb28a563d43f2aebe28f457497bb36f59a50ea.

This commit is contained in:
Alistair Leslie-Hughes 2021-09-29 09:12:17 +10:00
parent 47a1fa55d6
commit d8c1599a49
4 changed files with 17 additions and 26 deletions

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@ -1,4 +1,4 @@
From d528d994e0bd5c51c24c30c674bcce118d09bf4a Mon Sep 17 00:00:00 2001
From dd7071e971c22e8100510f51763b0efa4e03eb33 Mon Sep 17 00:00:00 2001
From: Andrew Wesie <awesie@gmail.com>
Date: Fri, 24 Apr 2020 14:55:14 -0500
Subject: [PATCH] ntdll: Track if a WRITECOPY page has been modified.
@ -8,11 +8,11 @@ read-write page.
Signed-off-by: Andrew Wesie <awesie@gmail.com>
---
dlls/ntdll/unix/virtual.c | 26 ++++++++++++++++++++------
1 file changed, 20 insertions(+), 6 deletions(-)
dlls/ntdll/unix/virtual.c | 24 +++++++++++++++++++-----
1 file changed, 19 insertions(+), 5 deletions(-)
diff --git a/dlls/ntdll/unix/virtual.c b/dlls/ntdll/unix/virtual.c
index b75df0a05c0..f31613911fd 100644
index 312448de4a0..37264c91689 100644
--- a/dlls/ntdll/unix/virtual.c
+++ b/dlls/ntdll/unix/virtual.c
@@ -141,6 +141,7 @@ struct file_view
@ -23,7 +23,7 @@ index b75df0a05c0..f31613911fd 100644
/* per-mapping protection flags */
#define VPROT_SYSTEM 0x0200 /* system view (underlying mmap not under our control) */
#define VPROT_NATIVE 0x0400
@@ -1029,7 +1030,7 @@ static int get_unix_prot( BYTE vprot )
@@ -1136,7 +1137,7 @@ static int get_unix_prot( BYTE vprot )
#if defined(__i386__)
if (vprot & VPROT_WRITECOPY)
{
@ -32,7 +32,7 @@ index b75df0a05c0..f31613911fd 100644
prot = (prot & ~PROT_WRITE) | PROT_READ;
else
prot |= PROT_WRITE | PROT_READ;
@@ -1466,7 +1467,11 @@ static NTSTATUS create_view( struct file_view **view_ret, void *base, size_t siz
@@ -1573,7 +1574,11 @@ static NTSTATUS create_view( struct file_view **view_ret, void *base, size_t siz
*/
static DWORD get_win32_prot( BYTE vprot, unsigned int map_prot )
{
@ -45,7 +45,7 @@ index b75df0a05c0..f31613911fd 100644
if (vprot & VPROT_GUARD) ret |= PAGE_GUARD;
if (map_prot & SEC_NOCACHE) ret |= PAGE_NOCACHE;
return ret;
@@ -1577,12 +1582,21 @@ static BOOL set_vprot( struct file_view *view, void *base, size_t size, BYTE vpr
@@ -1684,12 +1689,21 @@ static BOOL set_vprot( struct file_view *view, void *base, size_t size, BYTE vpr
if (view->protect & VPROT_WRITEWATCH)
{
/* each page may need different protections depending on write watch flag */
@ -69,7 +69,7 @@ index b75df0a05c0..f31613911fd 100644
return TRUE;
}
@@ -3321,7 +3335,7 @@ NTSTATUS virtual_handle_fault( void *addr, DWORD err, void *stack )
@@ -3449,7 +3463,7 @@ NTSTATUS virtual_handle_fault( void *addr, DWORD err, void *stack )
}
if (vprot & VPROT_WRITECOPY)
{
@ -78,15 +78,6 @@ index b75df0a05c0..f31613911fd 100644
mprotect_range( page, page_size, 0, 0 );
}
/* ignore fault if page is writable now */
@@ -4238,7 +4252,7 @@ static NTSTATUS get_basic_memory_info( HANDLE process, LPCVOID addr,
else if (view->protect & (SEC_FILE | SEC_RESERVE | SEC_COMMIT)) info->Type = MEM_MAPPED;
else info->Type = MEM_PRIVATE;
for (ptr = base; ptr < base + range_size; ptr += page_size)
- if ((get_page_vprot( ptr ) ^ vprot) & ~VPROT_WRITEWATCH) break;
+ if ((get_page_vprot( ptr ) ^ vprot) & ~(VPROT_WRITEWATCH|VPROT_WRITTEN)) break;
info->RegionSize = ptr - base;
}
server_leave_uninterrupted_section( &virtual_mutex, &sigset );
--
2.30.2
2.33.0

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@ -1,4 +1,4 @@
From 961363c939e566a74b9343ad2e328b1f6fce7361 Mon Sep 17 00:00:00 2001
From 94c657aca5daa972b3c8ce07642471c2b47818ef Mon Sep 17 00:00:00 2001
From: Andrew Wesie <awesie@gmail.com>
Date: Fri, 24 Apr 2020 14:55:17 -0500
Subject: [PATCH] ntdll: Report unmodified WRITECOPY pages as shared.
@ -13,10 +13,10 @@ Signed-off-by: Andrew Wesie <awesie@gmail.com>
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/dlls/ntdll/unix/virtual.c b/dlls/ntdll/unix/virtual.c
index 16cfa8bda2d7..8b3f93b70d41 100644
index 0f0fcc4517b..3c74585d160 100644
--- a/dlls/ntdll/unix/virtual.c
+++ b/dlls/ntdll/unix/virtual.c
@@ -2174,6 +2174,8 @@ static NTSTATUS map_image_into_view( struct file_view *view, int fd, void *orig_
@@ -2509,6 +2509,8 @@ static NTSTATUS map_image_into_view( struct file_view *view, const WCHAR *filena
ptr + sec->VirtualAddress + file_size,
ptr + sec->VirtualAddress + end );
memset( ptr + sec->VirtualAddress + file_size, 0, end - file_size );
@ -25,8 +25,8 @@ index 16cfa8bda2d7..8b3f93b70d41 100644
}
}
@@ -3937,7 +3939,7 @@ static NTSTATUS get_working_set_ex( HANDLE process, LPCVOID addr,
(vprot & VPROT_COMMITTED))
@@ -4431,7 +4433,7 @@ static NTSTATUS get_working_set_ex( HANDLE process, LPCVOID addr,
(vprot & VPROT_COMMITTED))
{
p->VirtualAttributes.Valid = !(vprot & VPROT_GUARD) && (vprot & 0x0f) && (pagemap >> 63);
- p->VirtualAttributes.Shared = !is_view_valloc( view ) && ((pagemap >> 61) & 1);
@ -35,5 +35,5 @@ index 16cfa8bda2d7..8b3f93b70d41 100644
p->VirtualAttributes.ShareCount = 1; /* FIXME */
if (p->VirtualAttributes.Valid)
--
2.20.1
2.33.0

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@ -51,7 +51,7 @@ usage()
# Get the upstream commit sha
upstream_commit()
{
echo "de7adacedbdd78fd1ed8ee0986a78670e11a60bc"
echo "bcdb28a563d43f2aebe28f457497bb36f59a50ea"
}
# Show version information

View File

@ -1 +1 @@
de7adacedbdd78fd1ed8ee0986a78670e11a60bc
bcdb28a563d43f2aebe28f457497bb36f59a50ea