CryptoPkg/Library/Include/CrtLibSupport.h

   1 /** @file
   2   Root include file of C runtime library to support building the third-party
   3   cryptographic library.
   4
   5 Copyright (c) 2010 - 2019, Intel Corporation. All rights reserved.<BR>
   6 SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 **/
   9
  10 #ifndef __CRT_LIB_SUPPORT_H__
  11 #define __CRT_LIB_SUPPORT_H__
  12
  13 #include <Library/BaseLib.h>
  14 #include <Library/BaseMemoryLib.h>
  15 #include <Library/DebugLib.h>
  16 #include <Library/PrintLib.h>
  17
  18 #define OPENSSLDIR ""
  19 #define ENGINESDIR ""
  20
  21 #define MAX_STRING_SIZE  0x1000
  22
  23 //
  24 // We already have "no-ui" in out Configure invocation.
  25 // but the code still fails to compile.
  26 // Ref:  https://github.com/openssl/openssl/issues/8904
  27 //
  28 // This is defined in CRT library(stdio.h).
  29 //
  30 #ifndef BUFSIZ
  31 #define BUFSIZ  8192
  32 #endif
  33
  34 //
  35 // OpenSSL relies on explicit configuration for word size in crypto/bn,
  36 // but we want it to be automatically inferred from the target. So we
  37 // bypass what's in <openssl/opensslconf.h> for OPENSSL_SYS_UEFI, and
  38 // define our own here.
  39 //
  40 #ifdef CONFIG_HEADER_BN_H
  41 #error CONFIG_HEADER_BN_H already defined
  42 #endif
  43
  44 #define CONFIG_HEADER_BN_H
  45
  46 #if defined(MDE_CPU_X64) || defined(MDE_CPU_AARCH64) || defined(MDE_CPU_IA64)
  47 //
  48 // With GCC we would normally use SIXTY_FOUR_BIT_LONG, but MSVC needs
  49 // SIXTY_FOUR_BIT, because 'long' is 32-bit and only 'long long' is
  50 // 64-bit. Since using 'long long' works fine on GCC too, just do that.
  51 //
  52 #define SIXTY_FOUR_BIT
  53 #elif defined(MDE_CPU_IA32) || defined(MDE_CPU_ARM) || defined(MDE_CPU_EBC)
  54 #define THIRTY_TWO_BIT
  55 #else
  56 #error Unknown target architecture
  57 #endif
  58
  59 //
  60 // Map all va_xxxx elements to VA_xxx defined in MdePkg/Include/Base.h
  61 //
  62 #if !defined(__CC_ARM) // if va_list is not already defined
  63 #define va_list   VA_LIST
  64 #define va_arg    VA_ARG
  65 #define va_start  VA_START
  66 #define va_end    VA_END
  67 #else // __CC_ARM
  68 #define va_start(Marker, Parameter)   __va_start(Marker, Parameter)
  69 #define va_arg(Marker, TYPE)          __va_arg(Marker, TYPE)
  70 #define va_end(Marker)                ((void)0)
  71 #endif
  72
  73 //
  74 // Definitions for global constants used by CRT library routines
  75 //
  76 #define EINVAL       22               /* Invalid argument */
  77 #define INT_MAX      0x7FFFFFFF       /* Maximum (signed) int value */
  78 #define LONG_MAX     0X7FFFFFFFL      /* max value for a long */
  79 #define LONG_MIN     (-LONG_MAX-1)    /* min value for a long */
  80 #define ULONG_MAX    0xFFFFFFFF       /* Maximum unsigned long value */
  81 #define CHAR_BIT     8                /* Number of bits in a char */
  82
  83 //
  84 // Basic types mapping
  85 //
  86 typedef UINTN          size_t;
  87 typedef INTN           ssize_t;
  88 typedef INT32          time_t;
  89 typedef UINT8          __uint8_t;
  90 typedef UINT8          sa_family_t;
  91 typedef UINT32         uid_t;
  92 typedef UINT32         gid_t;
  93
  94 //
  95 // File operations are not required for EFI building,
  96 // so FILE is mapped to VOID * to pass build
  97 //
  98 typedef VOID  *FILE;
  99
 100 //
 101 // Structures Definitions
 102 //
 103 struct tm {
 104   int   tm_sec;     /* seconds after the minute [0-60] */
 105   int   tm_min;     /* minutes after the hour [0-59] */
 106   int   tm_hour;    /* hours since midnight [0-23] */
 107   int   tm_mday;    /* day of the month [1-31] */
 108   int   tm_mon;     /* months since January [0-11] */
 109   int   tm_year;    /* years since 1900 */
 110   int   tm_wday;    /* days since Sunday [0-6] */
 111   int   tm_yday;    /* days since January 1 [0-365] */
 112   int   tm_isdst;   /* Daylight Savings Time flag */
 113   long  tm_gmtoff;  /* offset from CUT in seconds */
 114   char  *tm_zone;   /* timezone abbreviation */
 115 };
 116
 117 struct timeval {
 118   long tv_sec;      /* time value, in seconds */
 119   long tv_usec;     /* time value, in microseconds */
 120 };
 121
 122 struct sockaddr {
 123   __uint8_t    sa_len;       /* total length */
 124   sa_family_t  sa_family;    /* address family */
 125   char         sa_data[14];  /* actually longer; address value */
 126 };
 127
 128 //
 129 // Global variables
 130 //
 131 extern int  errno;
 132 extern FILE *stderr;
 133
 134 //
 135 // Function prototypes of CRT Library routines
 136 //
 137 void           *malloc     (size_t);
 138 void           *realloc    (void *, size_t);
 139 void           free        (void *);
 140 void           *memset     (void *, int, size_t);
 141 int            memcmp      (const void *, const void *, size_t);
 142 int            isdigit     (int);
 143 int            isspace     (int);
 144 int            isxdigit    (int);
 145 int            isalnum     (int);
 146 int            isupper     (int);
 147 int            tolower     (int);
 148 int            strcmp      (const char *, const char *);
 149 int            strncasecmp (const char *, const char *, size_t);
 150 char           *strrchr    (const char *, int);
 151 unsigned long  strtoul     (const char *, char **, int);
 152 long           strtol      (const char *, char **, int);
 153 char           *strerror   (int);
 154 size_t         strspn      (const char *, const char *);
 155 size_t         strcspn     (const char *, const char *);
 156 int            printf      (const char *, ...);
 157 int            sscanf      (const char *, const char *, ...);
 158 FILE           *fopen      (const char *, const char *);
 159 size_t         fread       (void *, size_t, size_t, FILE *);
 160 size_t         fwrite      (const void *, size_t, size_t, FILE *);
 161 int            fclose      (FILE *);
 162 int            fprintf     (FILE *, const char *, ...);
 163 time_t         time        (time_t *);
 164 struct tm      *gmtime     (const time_t *);
 165 uid_t          getuid      (void);
 166 uid_t          geteuid     (void);
 167 gid_t          getgid      (void);
 168 gid_t          getegid     (void);
 169 int            issetugid   (void);
 170 void           qsort       (void *, size_t, size_t, int (*)(const void *, const void *));
 171 char           *getenv     (const char *);
 172 char           *secure_getenv (const char *);
 173 #if defined(__GNUC__) && (__GNUC__ >= 2)
 174 void           abort       (void) __attribute__((__noreturn__));
 175 #else
 176 void           abort       (void);
 177 #endif
 178
 179 //
 180 // Macros that directly map functions to BaseLib, BaseMemoryLib, and DebugLib functions
 181 //
 182 #define memcpy(dest,source,count)         CopyMem(dest,source,(UINTN)(count))
 183 #define memset(dest,ch,count)             SetMem(dest,(UINTN)(count),(UINT8)(ch))
 184 #define memchr(buf,ch,count)              ScanMem8(buf,(UINTN)(count),(UINT8)ch)
 185 #define memcmp(buf1,buf2,count)           (int)(CompareMem(buf1,buf2,(UINTN)(count)))
 186 #define memmove(dest,source,count)        CopyMem(dest,source,(UINTN)(count))
 187 #define strlen(str)                       (size_t)(AsciiStrnLenS(str,MAX_STRING_SIZE))
 188 #define strcpy(strDest,strSource)         AsciiStrCpyS(strDest,MAX_STRING_SIZE,strSource)
 189 #define strncpy(strDest,strSource,count)  AsciiStrnCpyS(strDest,MAX_STRING_SIZE,strSource,(UINTN)count)
 190 #define strcat(strDest,strSource)         AsciiStrCatS(strDest,MAX_STRING_SIZE,strSource)
 191 #define strchr(str,ch)                    ScanMem8((VOID *)(str),AsciiStrSize(str),(UINT8)ch)
 192 #define strncmp(string1,string2,count)    (int)(AsciiStrnCmp(string1,string2,(UINTN)(count)))
 193 #define strcasecmp(str1,str2)             (int)AsciiStriCmp(str1,str2)
 194 #define sprintf(buf,...)                  AsciiSPrint(buf,MAX_STRING_SIZE,__VA_ARGS__)
 195 #define localtime(timer)                  NULL
 196 #define assert(expression)
 197 #define offsetof(type,member)             OFFSET_OF(type,member)
 198 #define atoi(nptr)                        AsciiStrDecimalToUintn(nptr)
 199 #define gettimeofday(tvp,tz)              do { (tvp)->tv_sec = time(NULL); (tvp)->tv_usec = 0; } while (0)
 200
 201 #endif