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cpu/native: add some syscall wrappers

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Add wrappers for chdir, setsid, and umask.
This commit is contained in:
Ludwig Ortmann 2015-02-15 12:43:50 +01:00
parent ccd3db6ae8
commit 9a130e2e84
2 changed files with 11 additions and 0 deletions
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4
cpu/native/include/native_internal.h
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@ -46,6 +46,7 @@
#include <ifaddrs.h> #include <ifaddrs.h>
#include <time.h> #include <time.h>
#include <sys/time.h> #include <sys/time.h>
#include <sys/stat.h>
#include "kernel_types.h" #include "kernel_types.h"
@ -91,6 +92,7 @@ extern void (*real_srandom)(unsigned int seed);
extern int (*real_accept)(int socket, ...); extern int (*real_accept)(int socket, ...);
/* The ... is a hack to save includes: */ /* The ... is a hack to save includes: */
extern int (*real_bind)(int socket, ...); extern int (*real_bind)(int socket, ...);
extern int (*real_chdir)(const char *path);
extern int (*real_close)(int); extern int (*real_close)(int);
/* The ... is a hack to save includes: */ /* The ... is a hack to save includes: */
extern int (*real_creat)(const char *path, ...); extern int (*real_creat)(const char *path, ...);
@ -112,6 +114,7 @@ extern int (*real_pipe)(int[2]);
extern int (*real_select)(int nfds, ...); extern int (*real_select)(int nfds, ...);
extern int (*real_setitimer)(int which, const struct itimerval extern int (*real_setitimer)(int which, const struct itimerval
*__restrict value, struct itimerval *__restrict ovalue); *__restrict value, struct itimerval *__restrict ovalue);
extern int (*real_setsid)(void);
extern int (*real_setsockopt)(int socket, ...); extern int (*real_setsockopt)(int socket, ...);
extern int (*real_socket)(int domain, int type, int protocol); extern int (*real_socket)(int domain, int type, int protocol);
extern int (*real_printf)(const char *format, ...); extern int (*real_printf)(const char *format, ...);
@ -119,6 +122,7 @@ extern int (*real_unlink)(const char *);
extern long int (*real_random)(void); extern long int (*real_random)(void);
extern const char* (*real_gai_strerror)(int errcode); extern const char* (*real_gai_strerror)(int errcode);
extern FILE* (*real_fopen)(const char *path, const char *mode); extern FILE* (*real_fopen)(const char *path, const char *mode);
extern mode_t (*real_umask)(mode_t cmask);
#ifdef __MACH__ #ifdef __MACH__
#else #else

7
cpu/native/syscalls.c
View File

@ -34,6 +34,7 @@
#include <sys/time.h> #include <sys/time.h>
#endif #endif
#include <ifaddrs.h> #include <ifaddrs.h>
#include <sys/stat.h>
#include "kernel.h" #include "kernel.h"
#include "cpu.h" #include "cpu.h"
@ -66,6 +67,7 @@ int (*real_printf)(const char *format, ...);
int (*real_getaddrinfo)(const char *node, ...); int (*real_getaddrinfo)(const char *node, ...);
int (*real_getifaddrs)(struct ifaddrs **ifap); int (*real_getifaddrs)(struct ifaddrs **ifap);
int (*real_getpid)(void); int (*real_getpid)(void);
int (*real_chdir)(const char *path);
int (*real_close)(int); int (*real_close)(int);
int (*real_creat)(const char *path, ...); int (*real_creat)(const char *path, ...);
int (*real_dup2)(int, int); int (*real_dup2)(int, int);
@ -81,12 +83,14 @@ int (*real_pipe)(int[2]);
int (*real_select)(int nfds, ...); int (*real_select)(int nfds, ...);
int (*real_setitimer)(int which, const struct itimerval int (*real_setitimer)(int which, const struct itimerval
*restrict value, struct itimerval *restrict ovalue); *restrict value, struct itimerval *restrict ovalue);
int (*real_setsid)(void);
int (*real_setsockopt)(int socket, ...); int (*real_setsockopt)(int socket, ...);
int (*real_socket)(int domain, int type, int protocol); int (*real_socket)(int domain, int type, int protocol);
int (*real_unlink)(const char *); int (*real_unlink)(const char *);
long int (*real_random)(void); long int (*real_random)(void);
const char* (*real_gai_strerror)(int errcode); const char* (*real_gai_strerror)(int errcode);
FILE* (*real_fopen)(const char *path, const char *mode); FILE* (*real_fopen)(const char *path, const char *mode);
mode_t (*real_umask)(mode_t cmask);
#ifdef __MACH__ #ifdef __MACH__
#else #else
@ -393,12 +397,14 @@ void _native_init_syscalls(void)
*(void **)(&real_getifaddrs) = dlsym(RTLD_NEXT, "getifaddrs"); *(void **)(&real_getifaddrs) = dlsym(RTLD_NEXT, "getifaddrs");
*(void **)(&real_getpid) = dlsym(RTLD_NEXT, "getpid"); *(void **)(&real_getpid) = dlsym(RTLD_NEXT, "getpid");
*(void **)(&real_pipe) = dlsym(RTLD_NEXT, "pipe"); *(void **)(&real_pipe) = dlsym(RTLD_NEXT, "pipe");
*(void **)(&real_chdir) = dlsym(RTLD_NEXT, "chdir");
*(void **)(&real_close) = dlsym(RTLD_NEXT, "close"); *(void **)(&real_close) = dlsym(RTLD_NEXT, "close");
*(void **)(&real_creat) = dlsym(RTLD_NEXT, "creat"); *(void **)(&real_creat) = dlsym(RTLD_NEXT, "creat");
*(void **)(&real_fork) = dlsym(RTLD_NEXT, "fork"); *(void **)(&real_fork) = dlsym(RTLD_NEXT, "fork");
*(void **)(&real_dup2) = dlsym(RTLD_NEXT, "dup2"); *(void **)(&real_dup2) = dlsym(RTLD_NEXT, "dup2");
*(void **)(&real_select) = dlsym(RTLD_NEXT, "select"); *(void **)(&real_select) = dlsym(RTLD_NEXT, "select");
*(void **)(&real_setitimer) = dlsym(RTLD_NEXT, "setitimer"); *(void **)(&real_setitimer) = dlsym(RTLD_NEXT, "setitimer");
*(void **)(&real_setsid) = dlsym(RTLD_NEXT, "setsid");
*(void **)(&real_setsockopt) = dlsym(RTLD_NEXT, "setsockopt"); *(void **)(&real_setsockopt) = dlsym(RTLD_NEXT, "setsockopt");
*(void **)(&real_socket) = dlsym(RTLD_NEXT, "socket"); *(void **)(&real_socket) = dlsym(RTLD_NEXT, "socket");
*(void **)(&real_unlink) = dlsym(RTLD_NEXT, "unlink"); *(void **)(&real_unlink) = dlsym(RTLD_NEXT, "unlink");
@ -413,6 +419,7 @@ void _native_init_syscalls(void)
*(void **)(&real_feof) = dlsym(RTLD_NEXT, "feof"); *(void **)(&real_feof) = dlsym(RTLD_NEXT, "feof");
*(void **)(&real_ferror) = dlsym(RTLD_NEXT, "ferror"); *(void **)(&real_ferror) = dlsym(RTLD_NEXT, "ferror");
*(void **)(&real_clearerr) = dlsym(RTLD_NEXT, "clearerr"); *(void **)(&real_clearerr) = dlsym(RTLD_NEXT, "clearerr");
*(void **)(&real_umask) = dlsym(RTLD_NEXT, "umask");
#ifdef __MACH__ #ifdef __MACH__
#else #else
*(void **)(&real_clock_gettime) = dlsym(RTLD_NEXT, "clock_gettime"); *(void **)(&real_clock_gettime) = dlsym(RTLD_NEXT, "clock_gettime");