Documentation/filesystems/proc.txt, inside the Linux kernel
tree. */
-enum
+enum filterflags
{
COREFILTER_ANON_PRIVATE = 1 << 0,
COREFILTER_ANON_SHARED = 1 << 1,
static struct linux_gdbarch_data *
get_linux_gdbarch_data (struct gdbarch *gdbarch)
{
- return gdbarch_data (gdbarch, linux_gdbarch_data_handle);
+ return ((struct linux_gdbarch_data *)
+ gdbarch_data (gdbarch, linux_gdbarch_data_handle));
}
/* Per-inferior data key. */
{
struct linux_info *info;
- info = inferior_data (inf, linux_inferior_data);
+ info = (struct linux_info *) inferior_data (inf, linux_inferior_data);
if (info != NULL)
{
xfree (info);
struct linux_info *info;
struct inferior *inf = current_inferior ();
- info = inferior_data (inf, linux_inferior_data);
+ info = (struct linux_info *) inferior_data (inf, linux_inferior_data);
if (info == NULL)
{
info = XCNEW (struct linux_info);
/* This function is suitable for architectures that don't
extend/override the standard siginfo structure. */
-struct type *
+static struct type *
linux_get_siginfo_type (struct gdbarch *gdbarch)
{
struct linux_gdbarch_data *linux_gdbarch_data;
This should work OK enough, however. */
static int
-dump_mapping_p (unsigned int filterflags, const struct smaps_vmflags *v,
+dump_mapping_p (enum filterflags filterflags, const struct smaps_vmflags *v,
int maybe_private_p, int mapping_anon_p, int mapping_file_p,
const char *filename)
{
if (cmdline_f)
{
xsnprintf (filename, sizeof filename, "/proc/%ld/cmdline", pid);
- data = target_fileio_read_stralloc (filename);
+ data = target_fileio_read_stralloc (NULL, filename);
if (data)
{
struct cleanup *cleanup = make_cleanup (xfree, data);
if (cwd_f)
{
xsnprintf (filename, sizeof filename, "/proc/%ld/cwd", pid);
- data = target_fileio_readlink (filename, &target_errno);
+ data = target_fileio_readlink (NULL, filename, &target_errno);
if (data)
{
struct cleanup *cleanup = make_cleanup (xfree, data);
if (exe_f)
{
xsnprintf (filename, sizeof filename, "/proc/%ld/exe", pid);
- data = target_fileio_readlink (filename, &target_errno);
+ data = target_fileio_readlink (NULL, filename, &target_errno);
if (data)
{
struct cleanup *cleanup = make_cleanup (xfree, data);
if (mappings_f)
{
xsnprintf (filename, sizeof filename, "/proc/%ld/maps", pid);
- data = target_fileio_read_stralloc (filename);
+ data = target_fileio_read_stralloc (NULL, filename);
if (data)
{
struct cleanup *cleanup = make_cleanup (xfree, data);
if (status_f)
{
xsnprintf (filename, sizeof filename, "/proc/%ld/status", pid);
- data = target_fileio_read_stralloc (filename);
+ data = target_fileio_read_stralloc (NULL, filename);
if (data)
{
struct cleanup *cleanup = make_cleanup (xfree, data);
if (stat_f)
{
xsnprintf (filename, sizeof filename, "/proc/%ld/stat", pid);
- data = target_fileio_read_stralloc (filename);
+ data = target_fileio_read_stralloc (NULL, filename);
if (data)
{
struct cleanup *cleanup = make_cleanup (xfree, data);
if (note_size < 2 * addr_size)
error (_("malformed core note - too short for header"));
- contents = xmalloc (note_size);
+ contents = (unsigned char *) xmalloc (note_size);
cleanup = make_cleanup (xfree, contents);
if (!bfd_get_section_contents (core_bfd, section, contents, 0, note_size))
error (_("could not get core note contents"));
/* Default dump behavior of coredump_filter (0x33), according to
Documentation/filesystems/proc.txt from the Linux kernel
tree. */
- unsigned int filterflags = (COREFILTER_ANON_PRIVATE
- | COREFILTER_ANON_SHARED
- | COREFILTER_ELF_HEADERS
- | COREFILTER_HUGETLB_PRIVATE);
+ enum filterflags filterflags = (COREFILTER_ANON_PRIVATE
+ | COREFILTER_ANON_SHARED
+ | COREFILTER_ELF_HEADERS
+ | COREFILTER_HUGETLB_PRIVATE);
/* We need to know the real target PID to access /proc. */
if (current_inferior ()->fake_pid_p)
{
xsnprintf (coredumpfilter_name, sizeof (coredumpfilter_name),
"/proc/%d/coredump_filter", pid);
- coredumpfilterdata = target_fileio_read_stralloc (coredumpfilter_name);
+ coredumpfilterdata = target_fileio_read_stralloc (NULL,
+ coredumpfilter_name);
if (coredumpfilterdata != NULL)
{
sscanf (coredumpfilterdata, "%x", &filterflags);
}
xsnprintf (mapsfilename, sizeof mapsfilename, "/proc/%d/smaps", pid);
- data = target_fileio_read_stralloc (mapsfilename);
+ data = target_fileio_read_stralloc (NULL, mapsfilename);
if (data == NULL)
{
/* Older Linux kernels did not support /proc/PID/smaps. */
xsnprintf (mapsfilename, sizeof mapsfilename, "/proc/%d/maps", pid);
- data = target_fileio_read_stralloc (mapsfilename);
+ data = target_fileio_read_stralloc (NULL, mapsfilename);
}
if (data != NULL)
const char *permissions, *device, *filename;
struct smaps_vmflags v;
size_t permissions_len, device_len;
- int read, write, exec, private;
+ int read, write, exec, priv;
int has_anonymous = 0;
int should_dump_p = 0;
int mapping_anon_p;
not have the VmFlags there. In this case, there is
really no way to know if we are dealing with VM_SHARED,
so we just assume that VM_MAYSHARE is enough. */
- private = memchr (permissions, 'p', permissions_len) != 0;
+ priv = memchr (permissions, 'p', permissions_len) != 0;
/* Try to detect if region should be dumped by parsing smaps
counters. */
}
if (has_anonymous)
- should_dump_p = dump_mapping_p (filterflags, &v, private,
+ should_dump_p = dump_mapping_p (filterflags, &v, priv,
mapping_anon_p, mapping_file_p,
filename);
else
int read, int write, int exec, int modified,
const char *filename, void *arg)
{
- struct linux_find_memory_regions_data *data = arg;
+ struct linux_find_memory_regions_data *data
+ = (struct linux_find_memory_regions_data *) arg;
return data->func (vaddr, size, read, write, exec, modified, data->obfd);
}
int read, int write, int exec, int modified,
const char *filename, void *data)
{
- struct linux_make_mappings_data *map_data = data;
+ struct linux_make_mappings_data *map_data
+ = (struct linux_make_mappings_data *) data;
gdb_byte buf[sizeof (ULONGEST)];
if (*filename == '\0' || inode == 0)
const char *human_name, void *cb_data)
{
char *buf;
- struct linux_collect_regset_section_cb_data *data = cb_data;
+ struct linux_collect_regset_section_cb_data *data
+ = (struct linux_collect_regset_section_cb_data *) cb_data;
if (data->abort_iteration)
return;
gdb_assert (regset && regset->collect_regset);
- buf = xmalloc (size);
+ buf = (char *) xmalloc (size);
regset->collect_regset (regset, data->regcache, -1, buf, size);
/* PRSTATUS still needs to be treated specially. */
siginfo_type = gdbarch_get_siginfo_type (gdbarch);
- buf = xmalloc (TYPE_LENGTH (siginfo_type));
+ buf = (gdb_byte *) xmalloc (TYPE_LENGTH (siginfo_type));
cleanups = make_cleanup (xfree, buf);
bytes_read = target_read (¤t_target, TARGET_OBJECT_SIGNAL_INFO, NULL,
static int
linux_corefile_thread_callback (struct thread_info *info, void *data)
{
- struct linux_corefile_thread_data *args = data;
+ struct linux_corefile_thread_data *args
+ = (struct linux_corefile_thread_data *) data;
/* It can be current thread
which cannot be removed by update_thread_list. */
/* Obtaining PID and filename. */
pid = ptid_get_pid (inferior_ptid);
xsnprintf (filename, sizeof (filename), "/proc/%d/cmdline", (int) pid);
- fname = target_fileio_read_stralloc (filename);
+ fname = target_fileio_read_stralloc (NULL, filename);
if (fname == NULL || *fname == '\0')
{
p->pr_psargs[sizeof (p->pr_psargs) - 1] = '\0';
xsnprintf (filename, sizeof (filename), "/proc/%d/stat", (int) pid);
- proc_stat = target_fileio_read_stralloc (filename);
+ proc_stat = target_fileio_read_stralloc (NULL, filename);
make_cleanup (xfree, proc_stat);
if (proc_stat == NULL || *proc_stat == '\0')
/* Finally, obtaining the UID and GID. For that, we read and parse the
contents of the `/proc/PID/status' file. */
xsnprintf (filename, sizeof (filename), "/proc/%d/status", (int) pid);
- proc_status = target_fileio_read_stralloc (filename);
+ proc_status = target_fileio_read_stralloc (NULL, filename);
make_cleanup (xfree, proc_status);
if (proc_status == NULL || *proc_status == '\0')
int read, int write, int exec, int modified,
void *data)
{
- struct mem_range *range = data;
+ struct mem_range *range = (struct mem_range *) data;
if (vaddr == range->start)
{
return retval;
}
+/* See gdbarch.sh 'infcall_munmap'. */
+
+static void
+linux_infcall_munmap (CORE_ADDR addr, CORE_ADDR size)
+{
+ struct objfile *objf;
+ struct value *munmap_val = find_function_in_inferior ("munmap", &objf);
+ struct value *retval_val;
+ struct gdbarch *gdbarch = get_objfile_arch (objf);
+ LONGEST retval;
+ enum
+ {
+ ARG_ADDR, ARG_LENGTH, ARG_LAST
+ };
+ struct value *arg[ARG_LAST];
+
+ arg[ARG_ADDR] = value_from_pointer (builtin_type (gdbarch)->builtin_data_ptr,
+ addr);
+ /* Assuming sizeof (unsigned long) == sizeof (size_t). */
+ arg[ARG_LENGTH] = value_from_ulongest
+ (builtin_type (gdbarch)->builtin_unsigned_long, size);
+ retval_val = call_function_by_hand (munmap_val, ARG_LAST, arg);
+ retval = value_as_long (retval_val);
+ if (retval != 0)
+ warning (_("Failed inferior munmap call at %s for %s bytes, "
+ "errno is changed."),
+ hex_string (addr), pulongest (size));
+}
+
/* See linux-tdep.h. */
CORE_ADDR
linux_gdb_signal_to_target);
set_gdbarch_vsyscall_range (gdbarch, linux_vsyscall_range);
set_gdbarch_infcall_mmap (gdbarch, linux_infcall_mmap);
+ set_gdbarch_infcall_munmap (gdbarch, linux_infcall_munmap);
+ set_gdbarch_get_siginfo_type (gdbarch, linux_get_siginfo_type);
}
/* Provide a prototype to silence -Wmissing-prototypes. */
projects / deliverable / binutils-gdb.git / blobdiff