/* Base/prototype target for default child (native) targets.
- Copyright (C) 1988-2014 Free Software Foundation, Inc.
+ Copyright (C) 1988-2016 Free Software Foundation, Inc.
This file is part of GDB.
#include "inferior.h"
#include <sys/stat.h>
#include "inf-child.h"
-#include "gdb/fileio.h"
+#include "fileio.h"
#include "agent.h"
#include "gdb_wait.h"
#include "filestuff.h"
return NULL;
}
-
-/* Target file operations. */
-
-static int
-inf_child_fileio_open_flags_to_host (int fileio_open_flags, int *open_flags_p)
-{
- int open_flags = 0;
-
- if (fileio_open_flags & ~FILEIO_O_SUPPORTED)
- return -1;
-
- if (fileio_open_flags & FILEIO_O_CREAT)
- open_flags |= O_CREAT;
- if (fileio_open_flags & FILEIO_O_EXCL)
- open_flags |= O_EXCL;
- if (fileio_open_flags & FILEIO_O_TRUNC)
- open_flags |= O_TRUNC;
- if (fileio_open_flags & FILEIO_O_APPEND)
- open_flags |= O_APPEND;
- if (fileio_open_flags & FILEIO_O_RDONLY)
- open_flags |= O_RDONLY;
- if (fileio_open_flags & FILEIO_O_WRONLY)
- open_flags |= O_WRONLY;
- if (fileio_open_flags & FILEIO_O_RDWR)
- open_flags |= O_RDWR;
-/* On systems supporting binary and text mode, always open files in
- binary mode. */
-#ifdef O_BINARY
- open_flags |= O_BINARY;
-#endif
-
- *open_flags_p = open_flags;
- return 0;
-}
+/* Implementation of to_fileio_open. */
-static int
-inf_child_errno_to_fileio_error (int errnum)
-{
- switch (errnum)
- {
- case EPERM:
- return FILEIO_EPERM;
- case ENOENT:
- return FILEIO_ENOENT;
- case EINTR:
- return FILEIO_EINTR;
- case EIO:
- return FILEIO_EIO;
- case EBADF:
- return FILEIO_EBADF;
- case EACCES:
- return FILEIO_EACCES;
- case EFAULT:
- return FILEIO_EFAULT;
- case EBUSY:
- return FILEIO_EBUSY;
- case EEXIST:
- return FILEIO_EEXIST;
- case ENODEV:
- return FILEIO_ENODEV;
- case ENOTDIR:
- return FILEIO_ENOTDIR;
- case EISDIR:
- return FILEIO_EISDIR;
- case EINVAL:
- return FILEIO_EINVAL;
- case ENFILE:
- return FILEIO_ENFILE;
- case EMFILE:
- return FILEIO_EMFILE;
- case EFBIG:
- return FILEIO_EFBIG;
- case ENOSPC:
- return FILEIO_ENOSPC;
- case ESPIPE:
- return FILEIO_ESPIPE;
- case EROFS:
- return FILEIO_EROFS;
- case ENOSYS:
- return FILEIO_ENOSYS;
- case ENAMETOOLONG:
- return FILEIO_ENAMETOOLONG;
- }
- return FILEIO_EUNKNOWN;
-}
-
-/* Open FILENAME on the target, using FLAGS and MODE. Return a
- target file descriptor, or -1 if an error occurs (and set
- *TARGET_ERRNO). */
static int
inf_child_fileio_open (struct target_ops *self,
- const char *filename, int flags, int mode,
+ struct inferior *inf, const char *filename,
+ int flags, int mode, int warn_if_slow,
int *target_errno)
{
int nat_flags;
+ mode_t nat_mode;
int fd;
- if (inf_child_fileio_open_flags_to_host (flags, &nat_flags) == -1)
+ if (fileio_to_host_openflags (flags, &nat_flags) == -1
+ || fileio_to_host_mode (mode, &nat_mode) == -1)
{
*target_errno = FILEIO_EINVAL;
return -1;
}
- /* We do not need to convert MODE, since the fileio protocol uses
- the standard values. */
- fd = gdb_open_cloexec (filename, nat_flags, mode);
+ fd = gdb_open_cloexec (filename, nat_flags, nat_mode);
if (fd == -1)
- *target_errno = inf_child_errno_to_fileio_error (errno);
+ *target_errno = host_to_fileio_error (errno);
return fd;
}
-/* Write up to LEN bytes from WRITE_BUF to FD on the target.
- Return the number of bytes written, or -1 if an error occurs
- (and set *TARGET_ERRNO). */
+/* Implementation of to_fileio_pwrite. */
+
static int
inf_child_fileio_pwrite (struct target_ops *self,
int fd, const gdb_byte *write_buf, int len,
}
if (ret == -1)
- *target_errno = inf_child_errno_to_fileio_error (errno);
+ *target_errno = host_to_fileio_error (errno);
return ret;
}
-/* Read up to LEN bytes FD on the target into READ_BUF.
- Return the number of bytes read, or -1 if an error occurs
- (and set *TARGET_ERRNO). */
+/* Implementation of to_fileio_pread. */
+
static int
inf_child_fileio_pread (struct target_ops *self,
int fd, gdb_byte *read_buf, int len,
}
if (ret == -1)
- *target_errno = inf_child_errno_to_fileio_error (errno);
+ *target_errno = host_to_fileio_error (errno);
+
+ return ret;
+}
+
+/* Implementation of to_fileio_fstat. */
+
+static int
+inf_child_fileio_fstat (struct target_ops *self, int fd,
+ struct stat *sb, int *target_errno)
+{
+ int ret;
+
+ ret = fstat (fd, sb);
+ if (ret == -1)
+ *target_errno = host_to_fileio_error (errno);
return ret;
}
-/* Close FD on the target. Return 0, or -1 if an error occurs
- (and set *TARGET_ERRNO). */
+/* Implementation of to_fileio_close. */
+
static int
inf_child_fileio_close (struct target_ops *self, int fd, int *target_errno)
{
ret = close (fd);
if (ret == -1)
- *target_errno = inf_child_errno_to_fileio_error (errno);
+ *target_errno = host_to_fileio_error (errno);
return ret;
}
-/* Unlink FILENAME on the target. Return 0, or -1 if an error
- occurs (and set *TARGET_ERRNO). */
+/* Implementation of to_fileio_unlink. */
+
static int
inf_child_fileio_unlink (struct target_ops *self,
- const char *filename, int *target_errno)
+ struct inferior *inf, const char *filename,
+ int *target_errno)
{
int ret;
ret = unlink (filename);
if (ret == -1)
- *target_errno = inf_child_errno_to_fileio_error (errno);
+ *target_errno = host_to_fileio_error (errno);
return ret;
}
-/* Read value of symbolic link FILENAME on the target. Return a
- null-terminated string allocated via xmalloc, or NULL if an error
- occurs (and set *TARGET_ERRNO). */
+/* Implementation of to_fileio_readlink. */
+
static char *
inf_child_fileio_readlink (struct target_ops *self,
- const char *filename, int *target_errno)
+ struct inferior *inf, const char *filename,
+ int *target_errno)
{
/* We support readlink only on systems that also provide a compile-time
maximum path length (PATH_MAX), at least for now. */
-#if defined (HAVE_READLINK) && defined (PATH_MAX)
+#if defined (PATH_MAX)
char buf[PATH_MAX];
int len;
char *ret;
len = readlink (filename, buf, sizeof buf);
if (len < 0)
{
- *target_errno = inf_child_errno_to_fileio_error (errno);
+ *target_errno = host_to_fileio_error (errno);
return NULL;
}
- ret = xmalloc (len + 1);
+ ret = (char *) xmalloc (len + 1);
memcpy (ret, buf, len);
ret[len] = '\0';
return ret;
t->to_fileio_open = inf_child_fileio_open;
t->to_fileio_pwrite = inf_child_fileio_pwrite;
t->to_fileio_pread = inf_child_fileio_pread;
+ t->to_fileio_fstat = inf_child_fileio_fstat;
t->to_fileio_close = inf_child_fileio_close;
t->to_fileio_unlink = inf_child_fileio_unlink;
t->to_fileio_readlink = inf_child_fileio_readlink;
projects / deliverable / binutils-gdb.git / blobdiff