ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

loader: Hardcode Linux syscall numbers.

This commit is contained in:
Alexandre Julliard 2013-01-21 16:00:07 +01:00
parent 1ae300d753
commit 6f1932dbca
2 changed files with 13 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
loader/main.c
View File

@ -114,7 +114,7 @@ static void check_command_line( int argc, char *argv[] )
/* separate thread to check for NPTL and TLS features */
static void *needs_pthread( void *arg )
{
pid_t tid = syscall( SYS_gettid );
pid_t tid = syscall( 224 /* SYS_gettid */ );
/* check for NPTL */
if (tid != -1 && tid != getpid()) return (void *)1;
/* check for TLS glibc */

24
loader/preloader.c
View File

@ -236,14 +236,14 @@ static inline __attribute__((noreturn)) void wld_exit( int code )
{
for (;;) /* avoid warning */
__asm__ __volatile__( "pushl %%ebx; movl %1,%%ebx; int $0x80; popl %%ebx"
: : "a" (SYS_exit), "r" (code) );
: : "a" (1 /* SYS_exit */), "r" (code) );
}
static inline int wld_open( const char *name, int flags )
{
int ret;
__asm__ __volatile__( "pushl %%ebx; movl %2,%%ebx; int $0x80; popl %%ebx"
: "=a" (ret) : "0" (SYS_open), "r" (name), "c" (flags) );
: "=a" (ret) : "0" (5 /* SYS_open */), "r" (name), "c" (flags) );
return SYSCALL_RET(ret);
}
@ -251,7 +251,7 @@ static inline int wld_close( int fd )
{
int ret;
__asm__ __volatile__( "pushl %%ebx; movl %2,%%ebx; int $0x80; popl %%ebx"
: "=a" (ret) : "0" (SYS_close), "r" (fd) );
: "=a" (ret) : "0" (6 /* SYS_close */), "r" (fd) );
return SYSCALL_RET(ret);
}
@ -260,7 +260,7 @@ static inline ssize_t wld_read( int fd, void *buffer, size_t len )
int ret;
__asm__ __volatile__( "pushl %%ebx; movl %2,%%ebx; int $0x80; popl %%ebx"
: "=a" (ret)
: "0" (SYS_read), "r" (fd), "c" (buffer), "d" (len)
: "0" (3 /* SYS_read */), "r" (fd), "c" (buffer), "d" (len)
: "memory" );
return SYSCALL_RET(ret);
}
@ -269,7 +269,7 @@ static inline ssize_t wld_write( int fd, const void *buffer, size_t len )
{
int ret;
__asm__ __volatile__( "pushl %%ebx; movl %2,%%ebx; int $0x80; popl %%ebx"
: "=a" (ret) : "0" (SYS_write), "r" (fd), "c" (buffer), "d" (len) );
: "=a" (ret) : "0" (4 /* SYS_write */), "r" (fd), "c" (buffer), "d" (len) );
return SYSCALL_RET(ret);
}
@ -277,7 +277,7 @@ static inline int wld_mprotect( const void *addr, size_t len, int prot )
{
int ret;
__asm__ __volatile__( "pushl %%ebx; movl %2,%%ebx; int $0x80; popl %%ebx"
: "=a" (ret) : "0" (SYS_mprotect), "r" (addr), "c" (len), "d" (prot) );
: "=a" (ret) : "0" (125 /* SYS_mprotect */), "r" (addr), "c" (len), "d" (prot) );
return SYSCALL_RET(ret);
}
@ -302,35 +302,35 @@ static void *wld_mmap( void *start, size_t len, int prot, int flags, int fd, off
args.fd = fd;
args.offset = offset;
__asm__ __volatile__( "pushl %%ebx; movl %2,%%ebx; int $0x80; popl %%ebx"
: "=a" (ret) : "0" (SYS_mmap), "q" (&args) : "memory" );
: "=a" (ret) : "0" (90 /* SYS_mmap */), "q" (&args) : "memory" );
return (void *)SYSCALL_RET(ret);
}
static inline uid_t wld_getuid(void)
{
uid_t ret;
__asm__( "int $0x80" : "=a" (ret) : "0" (SYS_getuid) );
__asm__( "int $0x80" : "=a" (ret) : "0" (24 /* SYS_getuid */) );
return ret;
}
static inline uid_t wld_geteuid(void)
{
uid_t ret;
__asm__( "int $0x80" : "=a" (ret) : "0" (SYS_geteuid) );
__asm__( "int $0x80" : "=a" (ret) : "0" (49 /* SYS_geteuid */) );
return ret;
}
static inline gid_t wld_getgid(void)
{
gid_t ret;
__asm__( "int $0x80" : "=a" (ret) : "0" (SYS_getgid) );
__asm__( "int $0x80" : "=a" (ret) : "0" (47 /* SYS_getgid */) );
return ret;
}
static inline gid_t wld_getegid(void)
{
gid_t ret;
__asm__( "int $0x80" : "=a" (ret) : "0" (SYS_getegid) );
__asm__( "int $0x80" : "=a" (ret) : "0" (50 /* SYS_getegid */) );
return ret;
}
@ -338,7 +338,7 @@ static inline int wld_prctl( int code, long arg )
{
int ret;
__asm__ __volatile__( "pushl %%ebx; movl %2,%%ebx; int $0x80; popl %%ebx"
: "=a" (ret) : "0" (SYS_prctl), "r" (code), "c" (arg) );
: "=a" (ret) : "0" (172 /* SYS_prctl */), "r" (code), "c" (arg) );
return SYSCALL_RET(ret);
}