reactos/dll/win32/dbghelp/compat.c
winesync ebdb2b35d9 [WINESYNC] dbghelp: Move elf_check_alternate implementation to module.c.
Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

wine commit id 4694801e4f58f0e856327d251ac98cfb573fd83b by Jacek Caban <jacek@codeweavers.com>
2020-09-16 10:35:46 +02:00

512 lines
14 KiB
C

#include "dbghelp_private.h"
void* __HeapAlloc(int heap, int flags, size_t size)
{
void * ret = malloc(size);
if(flags & HEAP_ZERO_MEMORY)
memset(ret, 0, size);
return ret;
}
void* __HeapReAlloc(int heap, DWORD d2, void *slab, SIZE_T newsize)
{
return realloc(slab, newsize);
}
WCHAR* lstrcpynW(WCHAR* lpString1, const WCHAR* lpString2, int iMaxLength)
{
LPWSTR d = lpString1;
const WCHAR* s = lpString2;
UINT count = iMaxLength;
while ((count > 1) && *s)
{
count--;
*d++ = *s++;
}
if (count)
*d = 0;
return lpString1;
}
PIMAGE_NT_HEADERS __RtlImageNtHeader(void *data)
{
PIMAGE_DOS_HEADER DosHeader = (PIMAGE_DOS_HEADER)data;
PIMAGE_NT_HEADERS NtHeaders;
PCHAR NtHeaderPtr;
if (DosHeader->e_magic != IMAGE_DOS_SIGNATURE)
return NULL;
NtHeaderPtr = ((PCHAR)data) + DosHeader->e_lfanew;
NtHeaders = (PIMAGE_NT_HEADERS)NtHeaderPtr;
if (NtHeaders->Signature != IMAGE_NT_SIGNATURE)
return NULL;
return NtHeaders;
}
PIMAGE_SECTION_HEADER
__RtlImageRvaToSection(
const IMAGE_NT_HEADERS* NtHeader,
PVOID BaseAddress,
ULONG Rva)
{
PIMAGE_SECTION_HEADER Section;
ULONG Va;
ULONG Count;
Count = SWAPW(NtHeader->FileHeader.NumberOfSections);
Section = IMAGE_FIRST_SECTION(NtHeader);
while (Count--)
{
Va = SWAPD(Section->VirtualAddress);
if ((Va <= Rva) && (Rva < Va + SWAPD(Section->SizeOfRawData)))
return Section;
Section++;
}
return NULL;
}
PVOID
__RtlImageRvaToVa
(const IMAGE_NT_HEADERS* NtHeader,
PVOID BaseAddress,
ULONG Rva,
PIMAGE_SECTION_HEADER *SectionHeader)
{
PIMAGE_SECTION_HEADER Section = NULL;
if (SectionHeader)
Section = *SectionHeader;
if ((Section == NULL) ||
(Rva < SWAPD(Section->VirtualAddress)) ||
(Rva >= SWAPD(Section->VirtualAddress) + SWAPD(Section->SizeOfRawData)))
{
Section = RtlImageRvaToSection(NtHeader, BaseAddress, Rva);
if (Section == NULL)
return NULL;
if (SectionHeader)
*SectionHeader = Section;
}
return (PVOID)((ULONG_PTR)BaseAddress + Rva +
(ULONG_PTR)SWAPD(Section->PointerToRawData) -
(ULONG_PTR)SWAPD(Section->VirtualAddress));
}
PVOID
__RtlImageDirectoryEntryToData(
PVOID BaseAddress,
BOOLEAN MappedAsImage,
USHORT Directory,
PULONG Size)
{
PIMAGE_NT_HEADERS NtHeader;
ULONG Va;
/* Magic flag for non-mapped images. */
if ((ULONG_PTR)BaseAddress & 1)
{
BaseAddress = (PVOID)((ULONG_PTR)BaseAddress & ~1);
MappedAsImage = FALSE;
}
NtHeader = RtlImageNtHeader(BaseAddress);
if (NtHeader == NULL)
return NULL;
if (Directory >= SWAPD(NtHeader->OptionalHeader.NumberOfRvaAndSizes))
return NULL;
Va = SWAPD(NtHeader->OptionalHeader.DataDirectory[Directory].VirtualAddress);
if (Va == 0)
return NULL;
*Size = SWAPD(NtHeader->OptionalHeader.DataDirectory[Directory].Size);
if (MappedAsImage || Va < SWAPD(NtHeader->OptionalHeader.SizeOfHeaders))
return (PVOID)((ULONG_PTR)BaseAddress + Va);
/* Image mapped as ordinary file, we must find raw pointer */
return RtlImageRvaToVa(NtHeader, BaseAddress, Va, NULL);
}
BOOL __GetFileSizeEx(HANDLE file, PLARGE_INTEGER fsize)
{
if (fseek((FILE*)file, 0, 2) == -1)
return FALSE;
fsize->QuadPart = ftell((FILE*)file);
return TRUE;
}
BOOL __CloseHandle(HANDLE handle)
{
fclose(handle);
return TRUE;
}
HANDLE __CreateFileW(
LPCWSTR lpFileName,
DWORD dwDesiredAccess,
DWORD dwShareMode,
LPSECURITY_ATTRIBUTES lpSecurityAttributes,
DWORD dwCreationDisposition,
DWORD dwFlagsAndAttributes,
HANDLE hTemplateFile)
{
char buf[MAX_PATH];
HANDLE res;
WideCharToMultiByte(CP_ACP, 0, lpFileName, -1, buf, MAX_PATH, NULL, NULL);
res = CreateFileA(buf, dwDesiredAccess, dwShareMode, lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
return res;
}
BOOL __ReadFile(HANDLE file, PVOID buffer, DWORD len, PDWORD outlen, PVOID overlap)
{
size_t read;
assert(overlap == NULL);
read = fread(buffer, 1, len, file);
if (ferror(file) != 0)
return FALSE;
*outlen = (DWORD)read;
return TRUE;
}
DWORD __SetFilePointer(HANDLE file,LONG low, PLONG high, DWORD move)
{
assert(move == FILE_BEGIN);
assert(high == NULL);
if (fseek(file, low, SEEK_SET))
return INVALID_SET_FILE_POINTER;
return low;
}
void* __MapViewOfFile(HANDLE file,DWORD d1,DWORD d2,DWORD d3,SIZE_T s)
{
FILE *f = (FILE*)file;
LARGE_INTEGER size;
char *result;
if (file == INVALID_HANDLE_VALUE)
return NULL;
if (!GetFileSizeEx(file, &size))
return NULL;
if (fseek(f, 0, 0) == -1)
return NULL;
result = malloc(size.LowPart);
if (fread(result, 1, size.LowPart, f) != size.LowPart)
{
free(result);
return NULL;
}
return result;
}
BOOL __UnmapViewOfFile(const void* data)
{
free((void *)data);
return TRUE;
}
LPSTR __lstrcpynA(LPSTR d,LPCSTR s,int c)
{
LPSTR r = d;
while(*s && c)
{
*d++ = *s++;
c--;
}
return r;
}
/* From Wine implementation over their unicode library */
INT
__WideCharToMultiByte(UINT page, DWORD flags, LPCWSTR src, INT srclen,
LPSTR dst, INT dstlen, LPCSTR defchar, BOOL *used )
{
int i;
if (!src || !srclen || (!dst && dstlen))
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
if (srclen < 0) srclen = strlenW(src) + 1;
if(!dstlen)
return srclen;
for(i=0; i<srclen && i<dstlen; i++)
dst[i] = src[i] & 0xFF;
if (used) *used = FALSE;
return i;
}
INT
__MultiByteToWideChar(UINT page, DWORD flags, LPCSTR src, INT srclen,
LPWSTR dst, INT dstlen )
{
int i;
if (!src || !srclen || (!dst && dstlen))
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
if (srclen < 0) srclen = strlen(src) + 1;
if(!dstlen)
return srclen;
for(i=0; i<srclen && i<dstlen; i++)
dst[i] = src[i];
return i;
}
/* In our case, the provided file path is the one we are looking for */
HANDLE __FindExecutableImageExW(PCWSTR file, PCWSTR path, PWSTR out_buffer, PFIND_EXE_FILE_CALLBACKW x, PVOID y)
{
HANDLE ret = CreateFileW(file, 0, 0, NULL, 0, 0, NULL);
if(ret)
memcpy(out_buffer, file, (strlenW(file) + 1)*sizeof(WCHAR));
return ret;
}
/* printf with temp buffer allocation */
const char *wine_dbg_sprintf( const char *format, ... )
{
static const int max_size = 200;
static char buffer[256];
char *ret;
int len;
va_list valist;
va_start(valist, format);
ret = buffer;
len = vsnprintf( ret, max_size, format, valist );
if (len == -1 || len >= max_size) ret[max_size-1] = 0;
va_end(valist);
return ret;
}
/* default implementation of wine_dbgstr_an */
const char *wine_dbgstr_an( const char *str, int n )
{
static const char hex[16] = "0123456789abcdef";
char *dst, *res;
size_t size;
static char buffer[256];
if (!((ULONG_PTR)str >> 16))
{
if (!str) return "(null)";
res = buffer;
sprintf( res, "#%04x", LOWORD(str) );
return res;
}
if (n == -1) n = strlen(str);
if (n < 0) n = 0;
size = 10 + min( 300, n * 4 );
dst = res = buffer;
*dst++ = '"';
while (n-- > 0 && dst <= res + size - 9)
{
unsigned char c = *str++;
switch (c)
{
case '\n': *dst++ = '\\'; *dst++ = 'n'; break;
case '\r': *dst++ = '\\'; *dst++ = 'r'; break;
case '\t': *dst++ = '\\'; *dst++ = 't'; break;
case '"': *dst++ = '\\'; *dst++ = '"'; break;
case '\\': *dst++ = '\\'; *dst++ = '\\'; break;
default:
if (c >= ' ' && c <= 126)
*dst++ = c;
else
{
*dst++ = '\\';
*dst++ = 'x';
*dst++ = hex[(c >> 4) & 0x0f];
*dst++ = hex[c & 0x0f];
}
}
}
*dst++ = '"';
if (n > 0)
{
*dst++ = '.';
*dst++ = '.';
*dst++ = '.';
}
*dst++ = 0;
return res;
}
/* default implementation of wine_dbgstr_wn */
const char *wine_dbgstr_wn( const WCHAR *str, int n )
{
char *dst, *res;
size_t size;
static char buffer[256];
if (!((ULONG_PTR)str >> 16))
{
if (!str) return "(null)";
res = buffer;
sprintf( res, "#%04x", LOWORD(str) );
return res;
}
if (n == -1)
{
const WCHAR *end = str;
while (*end) end++;
n = end - str;
}
if (n < 0) n = 0;
size = 12 + min( 300, n * 5 );
dst = res = buffer;
*dst++ = 'L';
*dst++ = '"';
while (n-- > 0 && dst <= res + size - 10)
{
WCHAR c = *str++;
switch (c)
{
case '\n': *dst++ = '\\'; *dst++ = 'n'; break;
case '\r': *dst++ = '\\'; *dst++ = 'r'; break;
case '\t': *dst++ = '\\'; *dst++ = 't'; break;
case '"': *dst++ = '\\'; *dst++ = '"'; break;
case '\\': *dst++ = '\\'; *dst++ = '\\'; break;
default:
if (c >= ' ' && c <= 126)
*dst++ = c;
else
{
*dst++ = '\\';
sprintf(dst,"%04x",c);
dst+=4;
}
}
}
*dst++ = '"';
if (n > 0)
{
*dst++ = '.';
*dst++ = '.';
*dst++ = '.';
}
*dst++ = 0;
return res;
}
BOOL __IsWow64Process(HANDLE Process, BOOL* is_wow64)
{
*is_wow64 = FALSE;
return TRUE;
}
/* from sdk/lib/rtl/crc2.c */
/* This work is based off of rtl.c in Wine.
* Please give credit where credit is due:
*
* Copyright 2003 Thomas Mertes
* Crc32 code Copyright 1986 Gary S. Brown (Public domain)
*/
/* CRC polynomial 0xedb88320 */
static const ULONG CrcTable[256] =
{
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
};
/*********************************************************************
* RtlComputeCrc32 [NTDLL.@]
*
* Calculate the CRC32 checksum of a block of bytes
*
* PARAMS
* Initial [I] Initial CRC value
* Data [I] Data block
* Length [I] Length of the byte block
*
* RETURNS
* The cumulative CRC32 of Initial and Length bytes of the Data block.
*
* @implemented
*/
ULONG
__RtlComputeCrc32(ULONG Initial, PUCHAR Data, ULONG Length)
{
ULONG CrcValue = ~Initial;
while (Length > 0)
{
CrcValue = CrcTable[(CrcValue ^ *Data) & 0xff] ^ (CrcValue >> 8);
Data++;
Length--;
}
return ~CrcValue;
}