/* Reading symbol files from memory.
- Copyright (C) 1986, 1987, 1989, 1991, 1994, 1995, 1996, 1998, 2000,
- 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1986-1987, 1989, 1991, 1994-1996, 1998, 2000-2005,
+ 2007-2012 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* This file defines functions (and commands to exercise those
functions) for reading debugging information from object files
#include "auxv.h"
#include "elf/common.h"
+/* Verify parameters of target_read_memory_bfd and target_read_memory are
+ compatible. */
+
+gdb_static_assert (sizeof (CORE_ADDR) == sizeof (bfd_vma));
+gdb_static_assert (sizeof (gdb_byte) == sizeof (bfd_byte));
+gdb_static_assert (sizeof (ssize_t) <= sizeof (bfd_size_type));
+
+/* Provide bfd/ compatible prototype for target_read_memory. Casting would not
+ be enough as LEN width may differ. */
+
+static int
+target_read_memory_bfd (bfd_vma memaddr, bfd_byte *myaddr, bfd_size_type len)
+{
+ /* MYADDR must be already allocated for the LEN size so it has to fit in
+ ssize_t. */
+ gdb_assert ((ssize_t) len == len);
+
+ return target_read_memory (memaddr, myaddr, len);
+}
/* Read inferior memory at ADDR to find the header of a loaded object file
and read its in-core symbols out of inferior memory. TEMPL is a bfd
bfd_vma loadbase;
struct section_addr_info *sai;
unsigned int i;
+ struct cleanup *cleanup;
if (bfd_get_flavour (templ) != bfd_target_elf_flavour)
error (_("add-symbol-file-from-memory not supported for this target"));
nbfd = bfd_elf_bfd_from_remote_memory (templ, addr, &loadbase,
- target_read_memory);
+ target_read_memory_bfd);
if (nbfd == NULL)
error (_("Failed to read a valid object file image from memory."));
}
sai = alloc_section_addr_info (bfd_count_sections (nbfd));
- make_cleanup (xfree, sai);
+ cleanup = make_cleanup (xfree, sai);
i = 0;
for (sec = nbfd->sections; sec != NULL; sec = sec->next)
if ((bfd_get_section_flags (nbfd, sec) & (SEC_ALLOC|SEC_LOAD)) != 0)
++i;
}
- objf = symbol_file_add_from_bfd (nbfd, from_tty,
- sai, 0, OBJF_SHARED);
+ objf = symbol_file_add_from_bfd (nbfd, from_tty ? SYMFILE_VERBOSE : 0,
+ sai, OBJF_SHARED, NULL);
/* This might change our ideas about frames already looked at. */
reinit_frame_cache ();
+ do_cleanups (cleanup);
return objf;
}
else
templ = exec_bfd;
if (templ == NULL)
- error (_("\
-Must use symbol-file or exec-file before add-symbol-file-from-memory."));
+ error (_("Must use symbol-file or exec-file "
+ "before add-symbol-file-from-memory."));
symbol_file_add_from_memory (templ, addr, NULL, from_tty);
}
return 0;
}
-/* Try to add the symbols for the vsyscall page, if there is one. This function
- is called via the inferior_created observer. */
+/* Try to add the symbols for the vsyscall page, if there is one.
+ This function is called via the inferior_created observer. */
static void
add_vsyscall_page (struct target_ops *target, int from_tty)
``bfd_runtime'' (a BFD created using the loaded image) file
format should fix this. */
{
- warning (_("\
-Could not load vsyscall page because no executable was specified\n\
-try using the \"file\" command first."));
+ warning (_("Could not load vsyscall page "
+ "because no executable was specified\n"
+ "try using the \"file\" command first."));
return;
}
args.bfd = bfd;
args.sysinfo_ehdr = sysinfo_ehdr;
- xasprintf (&args.name, "system-supplied DSO at 0x%s",
- paddr_nz (sysinfo_ehdr));
+ args.name = xstrprintf ("system-supplied DSO at %s",
+ paddress (target_gdbarch, sysinfo_ehdr));
/* Pass zero for FROM_TTY, because the action of loading the
vsyscall DSO was not triggered by the user, even if the user
typed "run" at the TTY. */
args.from_tty = 0;
- catch_exceptions (uiout, symbol_file_add_from_memory_wrapper,
+ catch_exceptions (current_uiout, symbol_file_add_from_memory_wrapper,
&args, RETURN_MASK_ALL);
}
}
\f
+
+/* Provide a prototype to silence -Wmissing-prototypes. */
+extern initialize_file_ftype _initialize_symfile_mem;
+
void
_initialize_symfile_mem (void)
{
add_cmd ("add-symbol-file-from-memory", class_files,
- add_symbol_file_from_memory_command, _("\
-Load the symbols out of memory from a dynamically loaded object file.\n\
-Give an expression for the address of the file's shared object file header."),
+ add_symbol_file_from_memory_command,
+ _("Load the symbols out of memory from a "
+ "dynamically loaded object file.\n"
+ "Give an expression for the address "
+ "of the file's shared object file header."),
&cmdlist);
/* Want to know of each new inferior so that its vsyscall info can
projects / binutils.git / blobdiff