Module: wine Branch: master Commit: e0311411786c85a560b6f9969a7adf1f544982ab URL: https://gitlab.winehq.org/wine/wine/-/commit/e0311411786c85a560b6f9969a7adf1...
Author: Alexandre Julliard julliard@winehq.org Date: Wed May 10 18:18:21 2023 +0200
wow64: Add a helper function to convert MEM_EXTENDED_PARAMETER.
And use the correct 32-bit types for the conversion.
---
dlls/wow64/struct32.h | 23 ++++++++-- dlls/wow64/virtual.c | 122 +++++++++++++++++++++++++------------------------- 2 files changed, 82 insertions(+), 63 deletions(-)
diff --git a/dlls/wow64/struct32.h b/dlls/wow64/struct32.h index 76308a7f659..0a560ac0f92 100644 --- a/dlls/wow64/struct32.h +++ b/dlls/wow64/struct32.h @@ -667,9 +667,26 @@ typedef struct
typedef struct { - ULONG LowestStartingAddress; - ULONG HighestEndingAddress; - ULONG Alignment; + ULONG LowestStartingAddress; + ULONG HighestEndingAddress; + ULONG Alignment; } MEM_ADDRESS_REQUIREMENTS32;
+typedef struct DECLSPEC_ALIGN(8) +{ + struct + { + DWORD64 Type : MEM_EXTENDED_PARAMETER_TYPE_BITS; + DWORD64 Reserved : 64 - MEM_EXTENDED_PARAMETER_TYPE_BITS; + }; + union + { + DWORD64 ULong64; + ULONG Pointer; + ULONG Size; + ULONG Handle; + ULONG ULong; + }; +} MEM_EXTENDED_PARAMETER32; + #endif /* __WOW64_STRUCT32_H */ diff --git a/dlls/wow64/virtual.c b/dlls/wow64/virtual.c index 0f34e8aec27..e58ae805914 100644 --- a/dlls/wow64/virtual.c +++ b/dlls/wow64/virtual.c @@ -48,6 +48,64 @@ static MEMORY_RANGE_ENTRY *memory_range_entry_array_32to64( const MEMORY_RANGE_E return addresses; }
+static NTSTATUS mem_extended_parameters_32to64( MEM_EXTENDED_PARAMETER **ret_params, + const MEM_EXTENDED_PARAMETER32 *params32, ULONG *count, + BOOL set_limit ) +{ + ULONG i; + MEM_EXTENDED_PARAMETER *params; + MEM_ADDRESS_REQUIREMENTS *req; + MEM_ADDRESS_REQUIREMENTS32 *req32 = NULL; + + if (*count && !params32) return STATUS_INVALID_PARAMETER; + + params = Wow64AllocateTemp( (*count + 1) * sizeof(*params) + sizeof(*req) ); + req = (MEM_ADDRESS_REQUIREMENTS *)(params + *count + 1); + + for (i = 0; i < *count; i++) + { + params[i].Type = params32[i].Type; + params[i].Reserved = 0; + switch (params[i].Type) + { + case MemExtendedParameterAddressRequirements: + req32 = ULongToPtr( params32[i].Pointer ); + params[i].Pointer = req; + break; + case MemExtendedParameterAttributeFlags: + case MemExtendedParameterNumaNode: + case MemExtendedParameterImageMachine: + params[i].ULong = params32[i].ULong; + break; + case MemExtendedParameterPartitionHandle: + case MemExtendedParameterUserPhysicalHandle: + params[i].Handle = ULongToHandle( params32[i].Handle ); + break; + } + } + + if (req32) + { + if (req32->HighestEndingAddress > highest_user_address) return STATUS_INVALID_PARAMETER; + req->LowestStartingAddress = ULongToPtr( req32->LowestStartingAddress ); + req->HighestEndingAddress = ULongToPtr( req32->HighestEndingAddress ); + req->Alignment = req32->Alignment; + } + else if (set_limit) + { + req->LowestStartingAddress = NULL; + req->HighestEndingAddress = (void *)highest_user_address; + req->Alignment = 0; + + params[i].Type = MemExtendedParameterAddressRequirements; + params[i].Reserved = 0; + params[i].Pointer = req; + *count = i + 1; + } + *ret_params = params; + return STATUS_SUCCESS; +} + /********************************************************************** * wow64_NtAllocateVirtualMemory */ @@ -85,75 +143,19 @@ NTSTATUS WINAPI wow64_NtAllocateVirtualMemoryEx( UINT *args ) ULONG *size32 = get_ptr( &args ); ULONG type = get_ulong( &args ); ULONG protect = get_ulong( &args ); - MEM_EXTENDED_PARAMETER *params = get_ptr( &args ); + MEM_EXTENDED_PARAMETER32 *params32 = get_ptr( &args ); ULONG count = get_ulong( &args );
void *addr; SIZE_T size; NTSTATUS status; - SIZE_T alloc_size = count * sizeof(*params); MEM_EXTENDED_PARAMETER *params64; - BOOL set_highest_address = (!*addr32 && process == GetCurrentProcess()); - BOOL add_address_requirements = set_highest_address; - MEM_ADDRESS_REQUIREMENTS *buf; - unsigned int i; - - if (count && !params) return STATUS_INVALID_PARAMETER; - - for (i = 0; i < count; ++i) - { - if (params[i].Type == MemExtendedParameterAddressRequirements) - { - alloc_size += sizeof(MEM_ADDRESS_REQUIREMENTS); - add_address_requirements = FALSE; - } - else if (params[i].Type && params[i].Type < MemExtendedParameterMax) - { - FIXME( "Unsupported parameter type %d.\n", params[i].Type); - } - } + BOOL set_limit = (!*addr32 && process == GetCurrentProcess());
- if (add_address_requirements) - alloc_size += sizeof(*params) + sizeof(MEM_ADDRESS_REQUIREMENTS); - params64 = Wow64AllocateTemp( alloc_size ); - memcpy( params64, params, count * sizeof(*params64) ); - if (add_address_requirements) - { - buf = (MEM_ADDRESS_REQUIREMENTS *)((char *)params64 + (count + 1) * sizeof(*params64)); - params64[count].Type = MemExtendedParameterAddressRequirements; - params64[count].Pointer = buf; - memset(buf, 0, sizeof(*buf)); - buf->HighestEndingAddress = (void *)highest_user_address; - ++buf; - } - else - { - buf = (MEM_ADDRESS_REQUIREMENTS *)((char *)params64 + count * sizeof(*params64)); - } - for (i = 0; i < count; ++i) - { - if (params64[i].Type == MemExtendedParameterAddressRequirements) - { - MEM_ADDRESS_REQUIREMENTS32 *p = (MEM_ADDRESS_REQUIREMENTS32 *)params[i].Pointer; - - buf->LowestStartingAddress = ULongToPtr(p->LowestStartingAddress); - if (p->HighestEndingAddress) - { - if (p->HighestEndingAddress > highest_user_address) return STATUS_INVALID_PARAMETER; - buf->HighestEndingAddress = ULongToPtr(p->HighestEndingAddress); - } - else - { - buf->HighestEndingAddress = set_highest_address ? (void *)highest_user_address : NULL; - } - buf->Alignment = p->Alignment; - params64[i].Pointer = buf; - ++buf; - } - } + if ((status = mem_extended_parameters_32to64( ¶ms64, params32, &count, set_limit ))) return status;
status = NtAllocateVirtualMemoryEx( process, addr_32to64( &addr, addr32 ), size_32to64( &size, size32 ), - type, protect, params64, count + add_address_requirements ); + type, protect, params64, count ); if (!status) { put_addr( addr32, addr );
-
Alexandre Julliard