/*************************************************************************** * Copyright (C) 2006 by Dominic Rath * * Dominic.Rath@gmx.de * * * * Copyright (C) 2007,2008 Øyvind Harboe * * oyvind.harboe@zylin.com * * * * Copyright (C) 2008 by Spencer Oliver * * spen@spen-soft.co.uk * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the * * Free Software Foundation, Inc., * * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * ***************************************************************************/ #ifndef REPLACEMENTS_H #define REPLACEMENTS_H #include "types.h" /* MIN,MAX macros */ #ifndef MIN #define MIN(a,b) (((a)<(b))?(a):(b)) #endif #ifndef MAX #define MAX(a,b) (((a)>(b))?(a):(b)) #endif /* for systems that do not support ENOTSUP * win32 being one of them */ #ifndef ENOTSUP #define ENOTSUP 134 /* Not supported */ #endif #ifndef HAVE_SYS_TIME_H #ifndef _TIMEVAL_DEFINED #define _TIMEVAL_DEFINED struct timeval { long tv_sec; long tv_usec; }; #endif /* _TIMEVAL_DEFINED */ #endif /* gettimeofday() */ #ifndef HAVE_GETTIMEOFDAY #ifdef _WIN32 struct timezone { int tz_minuteswest; int tz_dsttime; }; #endif struct timezone; extern int gettimeofday(struct timeval *tv, struct timezone *tz); #endif #ifndef IN_REPLACEMENTS_C /**** clear_malloc & fill_malloc ****/ void *clear_malloc(size_t size); void *fill_malloc(size_t size); #endif /* * Now you have 3 ways for the malloc function: * * 1. Do not change anything, use the original malloc * * 2. Use the clear_malloc function instead of the original malloc. * In this case you must use the following define: * #define malloc((_a)) clear_malloc((_a)) * * 3. Use the fill_malloc function instead of the original malloc. * In this case you must use the following define: * #define malloc((_a)) fill_malloc((_a)) * * We have figured out that there could exist some malloc problems * where variables are using without to be initialise. To find this * places, use the fill_malloc function. With this function we want * to initialize memory to some known bad state. This is quite easily * spotted in the debugger and will trap to an invalid address. * * clear_malloc can be used if you want to set not initialise * variable to 0. * * If you do not want to change the malloc function, to not use one of * the following macros. Which is the default way. */ /* #define malloc(_a) clear_malloc(_a) */ /* #define malloc(_a) fill_malloc(_a) */ /* GNU extensions to the C library that may be missing on some systems */ #ifndef HAVE_STRNDUP extern char* strndup(const char *s, size_t n); #endif /* HAVE_STRNDUP */ #ifndef HAVE_STRNLEN extern size_t strnlen(const char *s, size_t maxlen); #endif /* HAVE_STRNLEN */ #ifndef HAVE_USLEEP #ifdef _WIN32 static __inline unsigned usleep(unsigned int usecs) { Sleep((usecs/1000)); return 0; } #else #if BUILD_ECOSBOARD void usleep(int us); #else #error no usleep defined for your platform #endif #endif #endif /* HAVE_USLEEP */ /* Windows specific */ #ifdef _WIN32 #define WIN32_LEAN_AND_MEAN #include #include /* win32 systems do not support ETIMEDOUT */ #ifndef ETIMEDOUT #define ETIMEDOUT WSAETIMEDOUT #endif #if IS_MINGW == 1 static __inline unsigned char inb(unsigned short int port) { unsigned char _v; __asm__ __volatile__ ("inb %w1,%0":"=a" (_v):"Nd" (port)); return _v; } static __inline void outb(unsigned char value, unsigned short int port) { __asm__ __volatile__ ("outb %b0,%w1": :"a" (value), "Nd" (port)); } #endif /* IS_MINGW */ int win_select(int max_fd, fd_set *rfds, fd_set *wfds, fd_set *efds, struct timeval *tv); #endif /* _WIN32 */ /* generic socket functions for Windows and Posix */ static __inline int write_socket( int handle, const void *buffer, unsigned int count ) { #ifdef _WIN32 return send(handle, buffer, count, 0); #else return write(handle, buffer, count); #endif } static __inline int read_socket( int handle, void *buffer, unsigned int count ) { #ifdef _WIN32 return recv(handle, buffer, count, 0); #else return read(handle, buffer, count); #endif } static __inline int close_socket(int sock) { #ifdef _WIN32 return closesocket(sock); #else return close(sock); #endif } static __inline void socket_nonblock(int fd) { #ifdef _WIN32 unsigned long nonblock = 1; ioctlsocket(fd, FIONBIO, &nonblock ); #else int oldopts = fcntl(fd, F_GETFL, 0); fcntl(fd, F_SETFL, oldopts | O_NONBLOCK); #endif } static __inline int socket_select(int max_fd, fd_set *rfds, fd_set *wfds, fd_set *efds, struct timeval *tv) { #ifdef _WIN32 return win_select(max_fd, rfds, wfds, efds, tv); #else return select(max_fd, rfds, wfds, efds, tv); #endif } #ifndef HAVE_ELF_H typedef struct { unsigned char e_ident[16]; /* Magic number and other info */ u16 e_type; /* Object file type */ u16 e_machine; /* Architecture */ u32 e_version; /* Object file version */ u32 e_entry; /* Entry point virtual address */ u32 e_phoff; /* Program header table file offset */ u32 e_shoff; /* Section header table file offset */ u32 e_flags; /* Processor-specific flags */ u16 e_ehsize; /* ELF header size in bytes */ u16 e_phentsize; /* Program header table entry size */ u16 e_phnum; /* Program header table entry count */ u16 e_shentsize; /* Section header table entry size */ u16 e_shnum; /* Section header table entry count */ u16 e_shstrndx; /* Section header string table index */ } Elf32_Ehdr; #define ELFMAG "\177ELF" #define SELFMAG 4 #define EI_CLASS 4 /* File class byte index */ #define ELFCLASS32 1 /* 32-bit objects */ #define ELFCLASS64 2 /* 64-bit objects */ #define EI_DATA 5 /* Data encoding byte index */ #define ELFDATA2LSB 1 /* 2's complement, little endian */ #define ELFDATA2MSB 2 /* 2's complement, big endian */ typedef struct { u32 p_type; /* Segment type */ u32 p_offset; /* Segment file offset */ u32 p_vaddr; /* Segment virtual address */ u32 p_paddr; /* Segment physical address */ u32 p_filesz; /* Segment size in file */ u32 p_memsz; /* Segment size in memory */ u32 p_flags; /* Segment flags */ u32 p_align; /* Segment alignment */ } Elf32_Phdr; #define PT_LOAD 1 /* Loadable program segment */ #endif /* HAVE_ELF_H */ #endif /* REPLACEMENTS_H */