/* Generic symbol file reading for the GNU debugger, GDB.
- Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
+ Copyright 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
Contributed by Cygnus Support, using pieces from other GDB modules.
This file is part of GDB.
static void
add_symbol_file_command PARAMS ((char *, int));
+static void
+add_shared_symbol_files_command PARAMS ((char *, int));
+
static void
cashier_psymtab PARAMS ((struct partial_symtab *));
else
{
/* Examination of non-executable.o files. Short-circuit this stuff. */
- /* ~0 will not be in any file, we hope. */
- objfile -> ei.entry_point = ~0;
- /* set the startup file to be an empty range. */
- objfile -> ei.entry_file_lowpc = 0;
- objfile -> ei.entry_file_highpc = 0;
+ objfile -> ei.entry_point = INVALID_ENTRY_POINT;
+ objfile -> ei.entry_file_lowpc = INVALID_ENTRY_LOWPC;
+ objfile -> ei.entry_file_highpc = INVALID_ENTRY_HIGHPC;
}
}
(*objfile -> sf -> sym_read) (objfile, section_offsets, mainline);
+ if (!have_partial_symbols () && !have_full_symbols ())
+ {
+ wrap_here ("");
+ printf_filtered ("(no debugging symbols found)...");
+ wrap_here ("");
+ }
+
/* Don't allow char * to have a typename (else would get caddr_t).
Ditto void *. FIXME: Check whether this is now done by all the
symbol readers themselves (many of them now do), and if so remove
}
new_symfile_objfile (objfile, mainline, from_tty);
-
- /* Getting new symbols may change our opinion about what is
- frameless. */
-
- reinit_frame_cache ();
return (objfile);
}
-/* This is the symbol-file command. Read the file, analyze its symbols,
- and add a struct symtab to a symtab list. */
+/* This is the symbol-file command. Read the file, analyze its
+ symbols, and add a struct symtab to a symtab list. The syntax of
+ the command is rather bizarre--(1) buildargv implements various
+ quoting conventions which are undocumented and have little or
+ nothing in common with the way things are quoted (or not quoted)
+ elsewhere in GDB, (2) options are used, which are not generally
+ used in GDB (perhaps "set mapped on", "set readnow on" would be
+ better), (3) the order of options matters, which is contrary to GNU
+ conventions (because it is confusing and inconvenient). */
void
symbol_file_command (args, from_tty)
}
else
{
- name = *argv;
+ char *p;
+
+ name = *argv;
+
+ /* this is for rombug remote only, to get the text relocation by
+ using link command */
+ p = strrchr(name, '/');
+ if (p != NULL) p++;
+ else p = name;
+
+ target_link(p, &text_relocation);
+
+ if (text_relocation == (CORE_ADDR)0)
+ return;
+ else if (text_relocation == (CORE_ADDR)-1)
+ symbol_file_add (name, from_tty, (CORE_ADDR)0, 1, mapped,
+ readnow);
+ else
+ symbol_file_add (name, from_tty, (CORE_ADDR)text_relocation,
+ 0, mapped, readnow);
+
+ /* Getting new symbols may change our opinion about what is
+ frameless. */
+ reinit_frame_cache ();
+
+ set_initial_language ();
}
argv++;
}
{
error ("no symbol file name was specified");
}
- else
- {
- char *p;
-
- /* If target_link can find out where the file is,
- more power to it. */
- p = strrchr (name, '/');
- if (p != NULL) p++;
- else p = name;
-
- target_link (p, &text_relocation);
- if (text_relocation == (CORE_ADDR)-1)
- text_relocation = 0;
-
- symbol_file_add (name, from_tty, text_relocation, 1, mapped,
- readnow);
- set_initial_language ();
- }
-
do_cleanups (cleanups);
}
}
char *arg;
int from_tty;
{
+ if (arg == NULL)
+ arg = get_exec_file (1);
target_load (arg, from_tty);
}
asection *s;
bfd *loadfile_bfd;
- if (filename == NULL)
- filename = get_exec_file (1);
-
loadfile_bfd = bfd_openr (filename, gnutarget);
if (loadfile_bfd == NULL)
{
printf_filtered ("Loading section %s, size 0x%lx vma ",
bfd_get_section_name (loadfile_bfd, s),
(unsigned long) size);
- print_address_numeric (vma, gdb_stdout);
+ print_address_numeric (vma, 1, gdb_stdout);
printf_filtered ("\n");
bfd_get_section_contents (loadfile_bfd, s, buffer, 0, size);
error ("Not confirmed.");
symbol_file_add (name, 0, text_addr, 0, mapped, readnow);
+
+ /* Getting new symbols may change our opinion about what is
+ frameless. */
+ reinit_frame_cache ();
+}
+\f
+static void
+add_shared_symbol_files_command (args, from_tty)
+ char *args;
+ int from_tty;
+{
+#ifdef ADD_SHARED_SYMBOL_FILES
+ ADD_SHARED_SYMBOL_FILES (args, from_tty);
+#else
+ error ("This command is not available in this configuration of GDB.");
+#endif
}
\f
/* Re-read symbols if a symbol-file has changed. */
struct section_offsets *offsets;
int num_offsets;
int section_offsets_size;
+ char *obfd_filename;
printf_filtered ("`%s' has changed; re-reading symbols.\n",
objfile->name);
/* Clean up any state BFD has sitting around. We don't need
to close the descriptor but BFD lacks a way of closing the
BFD without closing the descriptor. */
+ obfd_filename = bfd_get_filename (objfile->obfd);
if (!bfd_close (objfile->obfd))
error ("Can't close BFD for %s.", objfile->name);
- objfile->obfd = bfd_openr (objfile->name, gnutarget);
+ objfile->obfd = bfd_openr (obfd_filename, gnutarget);
if (objfile->obfd == NULL)
error ("Can't open %s to read symbols.", objfile->name);
/* bfd_openr sets cacheable to true, which is what we want. */
zero is OK since dbxread.c also does what it needs to do if
objfile->global_psymbols.size is 0. */
(*objfile->sf->sym_read) (objfile, objfile->section_offsets, 0);
+ if (!have_partial_symbols () && !have_full_symbols ())
+ {
+ wrap_here ("");
+ printf_filtered ("(no debugging symbols found)\n");
+ wrap_here ("");
+ }
objfile -> flags |= OBJF_SYMS;
/* We're done reading the symbol file; finish off complaints. */
; /* Get default */
else if (0 == (c = strrchr (filename, '.')))
; /* Get default. */
- else if (STREQ(c,".mod"))
- return language_m2;
- else if (STREQ(c,".c"))
+ else if (STREQ (c, ".c"))
return language_c;
- else if (STREQ (c,".cc") || STREQ (c,".C") || STREQ (c, ".cxx"))
+ else if (STREQ (c, ".cc") || STREQ (c, ".C") || STREQ (c, ".cxx")
+ || STREQ (c, ".cpp") || STREQ (c, ".cp"))
return language_cplus;
- else if (STREQ (c,".ch") || STREQ (c,".c186") || STREQ (c,".c286"))
+ else if (STREQ (c, ".ch") || STREQ (c, ".c186") || STREQ (c, ".c286"))
return language_chill;
+ else if (STREQ (c, ".f") || STREQ (c, ".F"))
+ return language_fortran;
+ else if (STREQ (c, ".mod"))
+ return language_m2;
+ else if (STREQ (c, ".s") || STREQ (c, ".S"))
+ return language_asm;
return language_unknown; /* default */
}
SYMBOL_LANGUAGE (psym) = language;
PSYMBOL_NAMESPACE (psym) = namespace;
PSYMBOL_CLASS (psym) = class;
- SYMBOL_INIT_DEMANGLED_NAME (psym, &objfile->psymbol_obstack);
+ SYMBOL_INIT_LANGUAGE_SPECIFIC (psym, language);
}
/* Add a symbol with a CORE_ADDR value to a psymtab. */
SYMBOL_LANGUAGE (psym) = language;
PSYMBOL_NAMESPACE (psym) = namespace;
PSYMBOL_CLASS (psym) = class;
- SYMBOL_INIT_DEMANGLED_NAME (psym, &objfile->psymbol_obstack);
+ SYMBOL_INIT_LANGUAGE_SPECIFIC (psym, language);
}
#endif /* !INLINE_ADD_PSYMBOL */
c->completer = filename_completer;
c = add_cmd ("add-symbol-file", class_files, add_symbol_file_command,
- "Load the symbols from FILE, assuming FILE has been dynamically loaded.\n\
-The second argument provides the starting address of the file's text.",
+ "Usage: add-symbol-file FILE ADDR\n\
+Load the symbols from FILE, assuming FILE has been dynamically loaded.\n\
+ADDR is the starting address of the file's text.",
&cmdlist);
c->completer = filename_completer;
+ c = add_cmd ("add-shared-symbol-files", class_files,
+ add_shared_symbol_files_command,
+ "Load the symbols from shared objects in the dynamic linker's link map.",
+ &cmdlist);
+ c = add_alias_cmd ("assf", "add-shared-symbol-files", class_files, 1,
+ &cmdlist);
+
c = add_cmd ("load", class_files, load_command,
"Dynamically load FILE into the running program, and record its symbols\n\
for access from GDB.", &cmdlist);
projects / deliverable / binutils-gdb.git / blobdiff