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Remove support for obsolete 3.2.1 ABI

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Change-Id: I76b4960bda41f55d9c42f8c99c5beae3424ca851
This commit is contained in:
David van Moolenbroek 2013-08-31 23:11:34 +02:00 committed by Lionel Sambuc
parent dc1c50abf2
commit 24ed4e38de
14 changed files with 21 additions and 358 deletions
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5
include/minix/callnr.h
View file

@ -17,7 +17,6 @@
#define CHMOD 15
#define CHOWN 16
#define BRK 17
#define LSEEK_321 19
#define MINIX_GETPID 20
#define MOUNT 21
#define UMOUNT 22
@ -48,7 +47,6 @@
#define FSTAT 52
#define LSTAT 53
#define IOCTL 54
#define FCNTL_321 55
#define FS_READY 57
#define PIPE2 58
#define EXEC 59
@ -72,7 +70,6 @@
#define REBOOT 76
#define SVRCTL 77
#define SYSUNAME 78
#define GETDENTS_321 80 /* to VFS */
#define LLSEEK 81 /* to VFS */
#define GETVFSSTAT 82 /* to VFS */
#define STATVFS1 83 /* to VFS */
@ -85,8 +82,6 @@
#define GETTIMEOFDAY 90 /* to PM */
#define SETEUID 91 /* to PM */
#define SETEGID 92 /* to PM */
#define TRUNCATE_321 93 /* to VFS */
#define FTRUNCATE_321 94 /* to VFS */
#define FCHMOD 95 /* to VFS */
#define FCHOWN 96 /* to VFS */
#define LSEEK 97

81
lib/libc/sys-minix/fcntl.c
View file

@ -2,7 +2,6 @@
#include "namespace.h"
#include <lib.h>
#include <errno.h>
#include <fcntl.h>
#include <stdarg.h>
@ -10,78 +9,12 @@
__weak_alias(fcntl, _fcntl)
#endif
static int __fcntl_321(int fd, int cmd, va_list argp);
int __fcntl_321(int fd, int cmd, va_list argp)
{
message m;
struct flock_321 f_321;
struct flock *flock;
int r;
/* Set up for the sensible case where there is no variable parameter. This
* covers F_GETFD, F_GETFL and invalid commands.
*/
m.m1_i3 = 0;
m.m1_p1 = NULL;
/* Adjust for the stupid cases. */
switch(cmd) {
case F_DUPFD:
case F_SETFD:
case F_SETFL:
m.m1_i3 = va_arg(argp, int);
break;
case F_GETLK:
case F_SETLK:
case F_SETLKW:
case F_FREESP:
/* VFS expects old format, so translate */
flock = (struct flock *) va_arg(argp, struct flock *);
f_321.l_type = flock->l_type;
f_321.l_whence = flock->l_whence;
f_321.l_start = flock->l_start;
f_321.l_len = flock->l_len;
f_321.l_pid = flock->l_pid;
m.m1_p1 = (char *) &f_321;
break;
}
/* Clean up and make the system call. */
m.m1_i1 = fd;
m.m1_i2 = cmd;
r = _syscall(VFS_PROC_NR, FCNTL_321, &m);
if (r == 0) {
/* Maybe we need to convert back */
switch(cmd) {
case F_GETLK:
case F_SETLK:
case F_SETLKW:
case F_FREESP:
/* VFS expected old format but libc new format, so translate */
flock->l_type = f_321.l_type;
flock->l_whence = f_321.l_whence;
flock->l_start = f_321.l_start;
flock->l_len = f_321.l_len;
flock->l_pid = f_321.l_pid;
break;
}
}
return r;
}
int fcntl(int fd, int cmd, ...)
{
va_list argp, argp_321;
va_list argp;
message m;
int r, org_errno;
va_start(argp, cmd);
va_start(argp_321, cmd);
/* Set up for the sensible case where there is no variable parameter. This
* covers F_GETFD, F_GETFL and invalid commands.
@ -108,15 +41,5 @@ int fcntl(int fd, int cmd, ...)
va_end(argp);
m.m1_i1 = fd;
m.m1_i2 = cmd;
org_errno = errno;
r = _syscall(VFS_PROC_NR, FCNTL, &m);
if (r == -1 && errno == ENOSYS) {
errno = org_errno;
r = __fcntl_321(fd, cmd, argp_321);
}
va_end(argp_321);
return r;
return(_syscall(VFS_PROC_NR, FCNTL, &m));
}

28
lib/libc/sys-minix/ftruncate.c
View file

@ -3,7 +3,6 @@
#include <lib.h>
#include <minix/u64.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
@ -11,38 +10,13 @@
__weak_alias(ftruncate, _ftruncate)
#endif
static int __ftruncate_321(int _fd, int _length);
static int __ftruncate_321(int _fd, int _length)
{
message m;
m.m2_l1 = _length;
m.m2_i1 = _fd;
return(_syscall(VFS_PROC_NR, FTRUNCATE_321, &m));
}
int ftruncate(int _fd, off_t _length)
{
message m;
int orig_errno, r;
m.m2_l1 = ex64lo(_length);
m.m2_l2 = ex64hi(_length);
m.m2_i1 = _fd;
orig_errno = errno;
r = _syscall(VFS_PROC_NR, FTRUNCATE, &m);
if (r == -1 && errno == ENOSYS) {
/* Old VFS, no support for new ftruncate */
if (_length >= INT_MIN && _length <= INT_MAX) {
errno = orig_errno;
return __ftruncate_321(_fd, (int) _length);
}
/* Not going to fit */
errno = EOVERFLOW;
}
return r;
return(_syscall(VFS_PROC_NR, FTRUNCATE, &m));
}

70
lib/libc/sys-minix/getdents.c
View file

@ -3,83 +3,15 @@
#include <lib.h>
#include <dirent.h>
#include <errno.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
static ssize_t __getdents321(int fd, char *buffer, size_t nbytes);
ssize_t getdents(int fd, char *buffer, size_t nbytes)
{
message m;
int r, orig_errno;
orig_errno = errno;
m.m1_i1 = fd;
m.m1_i2 = nbytes;
m.m1_p1 = (char *) buffer;
r = _syscall(VFS_PROC_NR, GETDENTS, &m);
if (r == -1 && errno == ENOSYS) {
errno = orig_errno;/* Restore old value so world is still as expected*/
r = __getdents321(fd, buffer, nbytes);
}
return r;
}
ssize_t __getdents321(int fd, char *buffer, size_t nbytes)
{
message m;
int r, consumed = 0, newconsumed = 0;
char *intermediate = NULL;
struct dirent *dent;
struct dirent_321 *dent_321;
#define DWORD_ALIGN(d) if((d) % sizeof(long)) (d)+=sizeof(long)-(d)%sizeof(long)
intermediate = malloc(nbytes);
if (intermediate == NULL) return EINVAL;
m.m1_i1 = fd;
/* Pretend the buffer is smaller so we know the converted/expanded version
* will fit.
*/
nbytes = nbytes / 2;
if (nbytes < (sizeof(struct dirent) + NAME_MAX + 1)) {
free(intermediate);
return EINVAL; /* This might not fit. Sorry */
}
m.m1_i2 = nbytes;
m.m1_p1 = (char *) intermediate;
r = _syscall(VFS_PROC_NR, GETDENTS_321, &m);
if (r <= 0) {
free(intermediate);
return r;
}
/* Provided format is struct dirent_321 and has to be translated to
* struct dirent */
dent_321 = (struct dirent_321 *) intermediate;
dent = (struct dirent *) buffer;
while (consumed < r && dent_321->d_reclen > 0) {
dent->d_ino = (ino_t) dent_321->d_ino;
dent->d_off = (off_t) dent_321->d_off;
dent->d_reclen = offsetof(struct dirent, d_name) +
strlen(dent_321->d_name) + 1;
DWORD_ALIGN(dent->d_reclen);
strcpy(dent->d_name, dent_321->d_name);
consumed += dent_321->d_reclen;
newconsumed += dent->d_reclen;
dent_321 = (struct dirent_321 *) &intermediate[consumed];
dent = (struct dirent *) &buffer[newconsumed];
}
free(intermediate);
return newconsumed;
return _syscall(VFS_PROC_NR, GETDENTS, &m);
}
#if defined(__minix) && defined(__weak_alias)

32
lib/libc/sys-minix/lseek.c
View file

@ -3,52 +3,24 @@
#include <lib.h>
#include <minix/u64.h>
#include <errno.h>
#include <unistd.h>
#ifdef __weak_alias
__weak_alias(lseek, _lseek)
#endif
i32_t __lseek_321(int fd, i32_t offset, int whence);
i32_t __lseek_321(int fd, i32_t offset, int whence)
{
message m;
m.m2_i1 = fd;
m.m2_l1 = offset;
m.m2_i2 = whence;
if (_syscall(VFS_PROC_NR, LSEEK_321, &m) < 0) return(-1);
return( (i32_t) m.m2_l1);
}
off_t
lseek(int fd, off_t offset, int whence)
{
message m;
int orig_errno;
m.m2_i1 = fd;
m.m2_l1 = ex64lo(offset);
m.m2_l2 = ex64hi(offset);
m.m2_i2 = whence;
orig_errno = errno;
if (_syscall(VFS_PROC_NR, LSEEK, &m) < 0) {
if (errno == ENOSYS) {
/* Old VFS, no support for new lseek */
if (offset >= INT_MIN && offset <= INT_MAX) {
/* offset fits in old range, retry */
errno = orig_errno;
return (off_t) __lseek_321(fd, (i32_t) offset, whence);
}
/* Not going to fit */
errno = EOVERFLOW;
}
if (_syscall(VFS_PROC_NR, LSEEK, &m) < 0)
return( (off_t) -1);
}
return( (off_t) make64(m.m2_l1, m.m2_l2));
}

30
lib/libc/sys-minix/truncate.c
View file

@ -7,45 +7,17 @@ __weak_alias(truncate, _truncate)
#endif
#include <minix/u64.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
static int __truncate_321(const char *_path, int _length);
static int __truncate_321(const char *_path, int _length)
{
message m;
m.m2_p1 = (char *) __UNCONST(_path);
m.m2_i1 = strlen(_path)+1;
m.m2_l1 = _length;
return(_syscall(VFS_PROC_NR, TRUNCATE_321, &m));
}
int truncate(const char *_path, off_t _length)
{
message m;
int orig_errno, r;
m.m2_p1 = (char *) __UNCONST(_path);
m.m2_i1 = strlen(_path)+1;
m.m2_l1 = ex64lo(_length);
m.m2_l2 = ex64hi(_length);
orig_errno = errno;
r = _syscall(VFS_PROC_NR, TRUNCATE, &m);
if (r == -1 && errno == ENOSYS) {
/* Old VFS, no support for new truncate */
if (_length >= INT_MIN && _length <= INT_MAX) {
errno = orig_errno;
return __truncate_321(_path, (int) _length);
}
/* Not going to fit */
errno = EOVERFLOW;
}
return r;
return(_syscall(VFS_PROC_NR, TRUNCATE, &m));
}

20
servers/vfs/link.c
View file

@ -16,7 +16,6 @@
#include <string.h>
#include <minix/com.h>
#include <minix/callnr.h>
#include <minix/config.h> /* Remove with version check in do_truncate */
#include <minix/vfsif.h>
#include <dirent.h>
#include <assert.h>
@ -307,13 +306,8 @@ int do_truncate(message *UNUSED(m_out))
resolve.l_vmnt_lock = VMNT_READ;
resolve.l_vnode_lock = VNODE_WRITE;
if (job_call_nr == TRUNCATE_321) {
length = (off_t) job_m_in.m2_l1;
if ((int) job_m_in.flength < 0) return(EINVAL);
} else {
length = (off_t) make64(job_m_in.m2_l1, job_m_in.m2_l2);
if (length < 0) return(EINVAL);
}
length = (off_t) make64(job_m_in.m2_l1, job_m_in.m2_l2);
if (length < 0) return(EINVAL);
/* Temporarily open file */
if (fetch_name(vname, vname_length, fullpath) != OK) return(err_code);
@ -350,14 +344,8 @@ int do_ftruncate(message *UNUSED(m_out))
scratch(fp).file.fd_nr = job_m_in.fd;
if (job_call_nr == FTRUNCATE_321) {
length = (off_t) job_m_in.m2_l1;
if ((int) job_m_in.flength < 0) return(EINVAL);
} else {
length = (off_t) make64(job_m_in.m2_l1, job_m_in.m2_l2);
if (length < 0) return(EINVAL);
}
length = (off_t) make64(job_m_in.m2_l1, job_m_in.m2_l2);
if (length < 0) return(EINVAL);
/* File is already opened; get a vnode pointer from filp */
if ((rfilp = get_filp(scratch(fp).file.fd_nr, VNODE_WRITE)) == NULL)

39
servers/vfs/lock.c
View file

@ -6,7 +6,6 @@
*/
#include "fs.h"
#include <minix/callnr.h>
#include <minix/com.h>
#include <minix/u64.h>
#include <fcntl.h>
@ -31,26 +30,11 @@ int req; /* either F_SETLK or F_SETLKW */
mode_t mo;
off_t first, last;
struct flock flock;
struct flock_321 fa_321;
struct file_lock *flp, *flp2, *empty;
/* Fetch the flock structure from user space. */
if (job_call_nr == FCNTL_321) {
r = sys_datacopy(who_e, (vir_bytes) scratch(fp).io.io_buffer,
VFS_PROC_NR, (vir_bytes) &fa_321, sizeof(fa_321));
/* Convert old values to new structure */
if (r == OK) {
flock.l_type = fa_321.l_type;
flock.l_whence = fa_321.l_whence;
flock.l_start = (off_t) fa_321.l_start;
flock.l_len = (off_t) fa_321.l_len;
flock.l_pid = fa_321.l_pid;
}
} else {
r = sys_datacopy(who_e, (vir_bytes) scratch(fp).io.io_buffer,
VFS_PROC_NR, (vir_bytes) &flock, sizeof(flock));
}
r = sys_datacopy(who_e, (vir_bytes) scratch(fp).io.io_buffer, VFS_PROC_NR,
(vir_bytes) &flock, sizeof(flock));
if (r != OK) return(EINVAL);
/* Make some error checks. */
@ -159,23 +143,8 @@ int req; /* either F_SETLK or F_SETLKW */
}
/* Copy the flock structure back to the caller. */
if (job_call_nr == FCNTL_321) {
/* Convert new values to old structure */
if (r == OK) {
fa_321.l_type = flock.l_type;
fa_321.l_whence = flock.l_whence;
fa_321.l_start = (i32_t) flock.l_start;
fa_321.l_len = (i32_t) flock.l_len;
fa_321.l_pid = flock.l_pid;
}
r = sys_datacopy(VFS_PROC_NR, (vir_bytes) &fa_321,
who_e, (vir_bytes) scratch(fp).io.io_buffer,
sizeof(fa_321));
} else {
r = sys_datacopy(VFS_PROC_NR, (vir_bytes) &flock,
who_e, (vir_bytes) scratch(fp).io.io_buffer,
sizeof(flock));
}
r = sys_datacopy(VFS_PROC_NR, (vir_bytes) &flock, who_e,
(vir_bytes) scratch(fp).io.io_buffer, sizeof(flock));
return(r);
}

20
servers/vfs/misc.c
View file

@ -180,24 +180,8 @@ int do_fcntl(message *UNUSED(m_out))
else if (!(f->filp_mode & W_BIT)) r = EBADF;
else {
/* Copy flock data from userspace. */
if (job_call_nr == FCNTL_321) {
struct flock_321 fa_321;
r = sys_datacopy(who_e,
(vir_bytes) scratch(fp).io.io_buffer, SELF,
(vir_bytes) &fa_321, sizeof(fa_321));
/* Let's convert the values to the new structure */
if (r == OK) {
flock_arg.l_type = fa_321.l_type;
flock_arg.l_whence = fa_321.l_whence;
flock_arg.l_start = (off_t) fa_321.l_start;
flock_arg.l_len = (off_t) fa_321.l_len;
flock_arg.l_pid = fa_321.l_pid;
}
} else {
r = sys_datacopy(who_e,
(vir_bytes) scratch(fp).io.io_buffer, SELF,
(vir_bytes) &flock_arg, sizeof(flock_arg));
}
r = sys_datacopy(who_e, (vir_bytes) scratch(fp).io.io_buffer,
SELF, (vir_bytes) &flock_arg, sizeof(flock_arg));
}
if (r != OK) break;

28
servers/vfs/open.c
View file

@ -7,7 +7,6 @@
* do_mkdir: perform the MKDIR system call
* do_close: perform the CLOSE system call
* do_lseek: perform the LSEEK system call
* do_llseek: perform the LLSEEK system call
*/
#include "fs.h"
@ -645,24 +644,6 @@ int actual_llseek(struct fproc *rfp, message *m_out, int seekfd, int seekwhence,
return(r);
}
/*===========================================================================*
* do_lseek_321 *
*===========================================================================*/
int do_lseek_321(message *m_out)
{
int r;
r = actual_llseek(fp, m_out, job_m_in.ls_fd, job_m_in.whence,
make64(job_m_in.offset_lo, 0));
/* check value is 32bit */
if (m_out->reply_l2 != 0) {
r = EOVERFLOW;
}
return r;
}
/*===========================================================================*
* do_lseek *
*===========================================================================*/
@ -672,15 +653,6 @@ int do_lseek(message *m_out)
make64(job_m_in.offset_lo, job_m_in.offset_high));
}
/*===========================================================================*
* do_llseek *
*===========================================================================*/
int do_llseek(message *m_out)
{
return actual_llseek(fp, m_out, job_m_in.ls_fd, job_m_in.whence,
make64(job_m_in.offset_lo, job_m_in.offset_high));
}
/*===========================================================================*
* do_close *
*===========================================================================*/

3
servers/vfs/proto.h
View file

@ -168,13 +168,10 @@ void close_reply(void);
int common_open(char path[PATH_MAX], int oflags, mode_t omode);
int do_creat(void);
int do_lseek(message *m_out);
int do_lseek_321(message *m_out);
int do_llseek(message *m_out);
int do_mknod(message *m_out);
int do_mkdir(message *m_out);
int do_open(message *m_out);
int do_slink(message *m_out);
int actual_lseek(message *m_out, int seekfd, int seekwhence, off_t offset);
int actual_llseek(struct fproc *rfp, message *m_out, int seekfd,
int seekwhence, off_t offset);
int do_vm_open(void);

8
servers/vfs/table.c
View file

@ -34,7 +34,7 @@ int (*call_vec[])(message *m_out) = {
do_chown, /* 16 = chown */
no_sys, /* 17 = break */
no_sys, /* 18 = unused (was old stat)*/
no_sys, /* 19 = unused (was lseek_321)*/
no_sys, /* 19 = unused */
no_sys, /* 20 = getpid */
do_mount, /* 21 = mount */
do_umount, /* 22 = umount */
@ -95,7 +95,7 @@ int (*call_vec[])(message *m_out) = {
do_svrctl, /* 77 = svrctl */
no_sys, /* 78 = (sysuname) */
no_sys, /* 79 = unused */
do_getdents, /* 80 = getdents_321 (to be phased out) */
no_sys, /* 80 = unused */
do_lseek, /* 81 = llseek */
do_getvfsstat, /* 82 = getvfsstat */
do_statvfs, /* 83 = fstatvfs */
@ -108,8 +108,8 @@ int (*call_vec[])(message *m_out) = {
no_sys, /* 90 = (gettimeofday) */
no_sys, /* 91 = (seteuid) */
no_sys, /* 92 = (setegid) */
do_truncate, /* 93 = truncate_321 (to be phased out) */
do_ftruncate, /* 94 = ftruncate_321 (to be phased out) */
no_sys, /* 93 = unused */
no_sys, /* 94 = unused */
do_chmod, /* 95 = fchmod */
do_chown, /* 96 = fchown */
do_lseek, /* 97 = lseek */

7
sys/sys/dirent.h
View file

@ -17,13 +17,6 @@ struct dirent { /* Largest entry (8 slots) */
char d_name[1]; /* Null terminated name */
};
struct dirent_321 { /* Largest entry (8 slots) */
u32_t d_ino; /* I-node number */
i32_t d_off; /* Offset in directory */
unsigned short d_reclen; /* Length of this record */
char d_name[1]; /* Null terminated name */
};
#if defined(_NETBSD_SOURCE)
#define MAXNAMLEN 511
#define d_fileno d_ino

8
sys/sys/fcntl.h
View file

@ -153,14 +153,6 @@ struct flock {
pid_t l_pid; /* process id of the locks' owner */
};
struct flock_321 {
short l_type; /* type: F_RDLCK, F_WRLCK, or F_UNLCK */
short l_whence; /* flag for starting offset */
i32_t l_start; /* relative offset in bytes */
i32_t l_len; /* size; if 0, then until EOF */
pid_t l_pid; /* process id of the locks' owner */
};
#if defined(_NETBSD_SOURCE)
/* lock operations for flock(2) */
#define LOCK_SH F_RDLCK /* Shared lock */