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/* SPDX-License-Identifier: GPL-2.0-or-later */
/***************************************************************************
* 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 *
***************************************************************************/
#ifndef OPENOCD_HELPER_REPLACEMENTS_H
#define OPENOCD_HELPER_REPLACEMENTS_H
#include <stdint.h>
#include <helper/system.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
/* for systems that do not support O_BINARY
* linux being one of them */
#ifndef O_BINARY
#define O_BINARY 0
#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;
int gettimeofday(struct timeval *tv, struct timezone *tz);
#endif
void *clear_malloc(size_t size);
void *fill_malloc(size_t size);
#ifndef IN_REPLACEMENTS_C
/*
* 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) */
#endif /* IN_REPLACEMENTS_C */
/* GNU extensions to the C library that may be missing on some systems */
#ifndef HAVE_STRNDUP
char *strndup(const char *s, size_t n);
#endif /* HAVE_STRNDUP */
#ifndef HAVE_STRNLEN
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
#error no usleep defined for your platform
#endif
#endif /* HAVE_USLEEP */
/* Windows specific */
#ifdef _WIN32
#include <windows.h>
#include <time.h>
/* Windows does not declare sockaddr_un */
#define UNIX_PATH_LEN 108
struct sockaddr_un {
uint16_t sun_family;
char sun_path[UNIX_PATH_LEN];
};
/* 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));
}
/* mingw does not have ffs, so use gcc builtin types */
#define ffs __builtin_ffs
#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_block(int fd)
{
#ifdef _WIN32
unsigned long nonblock = 0;
ioctlsocket(fd, FIONBIO, &nonblock);
#else
int oldopts = fcntl(fd, F_GETFL, 0);
fcntl(fd, F_SETFL, oldopts & ~O_NONBLOCK);
#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 uint32_t Elf32_Addr;
typedef uint16_t Elf32_Half;
typedef uint32_t Elf32_Off;
typedef uint32_t Elf32_Word;
typedef uint32_t Elf32_Size;
#define EI_NIDENT 16
typedef struct {
unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */
Elf32_Half e_type; /* Object file type */
Elf32_Half e_machine; /* Architecture */
Elf32_Word e_version; /* Object file version */
Elf32_Addr e_entry; /* Entry point virtual address */
Elf32_Off e_phoff; /* Program header table file offset */
Elf32_Off e_shoff; /* Section header table file offset */
Elf32_Word e_flags; /* Processor-specific flags */
Elf32_Half e_ehsize; /* ELF header size in bytes */
Elf32_Half e_phentsize; /* Program header table entry size */
Elf32_Half e_phnum; /* Program header table entry count */
Elf32_Half e_shentsize; /* Section header table entry size */
Elf32_Half e_shnum; /* Section header table entry count */
Elf32_Half e_shstrndx; /* Section header string table index */
} Elf32_Ehdr;
typedef struct {
Elf32_Word sh_name; /* Section name (index into the
section header string table). */
Elf32_Word sh_type; /* Section type. */
Elf32_Word sh_flags; /* Section flags. */
Elf32_Addr sh_addr; /* Address in memory image. */
Elf32_Off sh_offset; /* Offset in file. */
Elf32_Size sh_size; /* Size in bytes. */
Elf32_Word sh_link; /* Index of a related section. */
Elf32_Word sh_info; /* Depends on section type. */
Elf32_Size sh_addralign; /* Alignment in bytes. */
Elf32_Size sh_entsize; /* Size of each entry in section. */
} Elf32_Shdr;
typedef struct {
Elf32_Word st_name; /* String table index of name. */
Elf32_Addr st_value; /* Symbol value. */
Elf32_Size st_size; /* Size of associated object. */
unsigned char st_info; /* Type and binding information. */
unsigned char st_other; /* Reserved (not used). */
Elf32_Half st_shndx; /* Section index of symbol. */
} Elf32_Sym;
#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 {
Elf32_Word p_type; /* Segment type */
Elf32_Off p_offset; /* Segment file offset */
Elf32_Addr p_vaddr; /* Segment virtual address */
Elf32_Addr p_paddr; /* Segment physical address */
Elf32_Size p_filesz; /* Segment size in file */
Elf32_Size p_memsz; /* Segment size in memory */
Elf32_Word p_flags; /* Segment flags */
Elf32_Size p_align; /* Segment alignment */
} Elf32_Phdr;
#define PT_LOAD 1 /* Loadable program segment */
#endif /* HAVE_ELF_H */
#ifndef HAVE_ELF64
typedef uint64_t Elf64_Addr;
typedef uint16_t Elf64_Half;
typedef uint64_t Elf64_Off;
typedef uint32_t Elf64_Word;
typedef uint64_t Elf64_Xword;
typedef struct {
unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */
Elf64_Half e_type; /* Object file type */
Elf64_Half e_machine; /* Architecture */
Elf64_Word e_version; /* Object file version */
Elf64_Addr e_entry; /* Entry point virtual address */
Elf64_Off e_phoff; /* Program header table file offset */
Elf64_Off e_shoff; /* Section header table file offset */
Elf64_Word e_flags; /* Processor-specific flags */
Elf64_Half e_ehsize; /* ELF header size in bytes */
Elf64_Half e_phentsize; /* Program header table entry size */
Elf64_Half e_phnum; /* Program header table entry count */
Elf64_Half e_shentsize; /* Section header table entry size */
Elf64_Half e_shnum; /* Section header table entry count */
Elf64_Half e_shstrndx; /* Section header string table index */
} Elf64_Ehdr;
typedef struct {
Elf64_Word p_type; /* Segment type */
Elf64_Word p_flags; /* Segment flags */
Elf64_Off p_offset; /* Segment file offset */
Elf64_Addr p_vaddr; /* Segment virtual address */
Elf64_Addr p_paddr; /* Segment physical address */
Elf64_Xword p_filesz; /* Segment size in file */
Elf64_Xword p_memsz; /* Segment size in memory */
Elf64_Xword p_align; /* Segment alignment */
} Elf64_Phdr;
#endif /* HAVE_ELF64 */
#endif /* OPENOCD_HELPER_REPLACEMENTS_H */
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