/* Base/prototype target for default child (native) targets.
- Copyright (C) 1988-2015 Free Software Foundation, Inc.
+ Copyright (C) 1988-2018 Free Software Foundation, Inc.
This file is part of GDB.
#include "inferior.h"
#include <sys/stat.h>
#include "inf-child.h"
-#include "common-remote-fileio.h"
+#include "fileio.h"
#include "agent.h"
#include "gdb_wait.h"
#include "filestuff.h"
if (regnum == -1)
{
for (regnum = 0;
- regnum < gdbarch_num_regs (get_regcache_arch (regcache));
+ regnum < gdbarch_num_regs (regcache->arch ());
regnum++)
regcache_raw_supply (regcache, regnum, NULL);
}
return NULL;
}
-
-/* Target file operations. */
+/* Implementation of to_fileio_open. */
-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;
-}
-
-/* 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 = remote_fileio_to_fio_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 = remote_fileio_to_fio_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 = remote_fileio_to_fio_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)
ret = fstat (fd, sb);
if (ret == -1)
- *target_errno = remote_fileio_to_fio_error (errno);
+ *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 = remote_fileio_to_fio_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 = remote_fileio_to_fio_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). */
-static char *
+/* Implementation of to_fileio_readlink. */
+
+static gdb::optional<std::string>
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 (PATH_MAX)
char buf[PATH_MAX];
int len;
- char *ret;
len = readlink (filename, buf, sizeof buf);
if (len < 0)
{
- *target_errno = remote_fileio_to_fio_error (errno);
- return NULL;
+ *target_errno = host_to_fileio_error (errno);
+ return {};
}
- ret = xmalloc (len + 1);
- memcpy (ret, buf, len);
- ret[len] = '\0';
- return ret;
+ return std::string (buf, len);
#else
*target_errno = FILEIO_ENOSYS;
- return NULL;
+ return {};
#endif
}
t->to_remove_breakpoint = memory_remove_breakpoint;
t->to_terminal_init = child_terminal_init;
t->to_terminal_inferior = child_terminal_inferior;
+ t->to_terminal_save_inferior = child_terminal_save_inferior;
t->to_terminal_ours_for_output = child_terminal_ours_for_output;
t->to_terminal_ours = child_terminal_ours;
t->to_terminal_info = child_terminal_info;
+ t->to_pass_ctrlc = child_pass_ctrlc;
+ t->to_interrupt = child_interrupt;
t->to_post_startup_inferior = inf_child_post_startup_inferior;
t->to_follow_fork = inf_child_follow_fork;
t->to_can_run = inf_child_can_run;
projects / deliverable / binutils-gdb.git / blobdiff