/* Generic symbol file reading for the GNU debugger, GDB.
- Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998
- Free Software Foundation, Inc.
+
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
+ 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+
Contributed by Cygnus Support, using pieces from other GDB modules.
This file is part of GDB.
#include "inferior.h" /* for write_pc */
#include "gdb-stabs.h"
#include "obstack.h"
+#include "completer.h"
-#include <assert.h>
#include <sys/types.h>
#include <fcntl.h>
#include "gdb_string.h"
#endif
int (*ui_load_progress_hook) (const char *section, unsigned long num);
-void (*pre_add_symbol_hook) PARAMS ((char *));
-void (*post_add_symbol_hook) PARAMS ((void));
+void (*show_load_progress) (const char *section,
+ unsigned long section_sent,
+ unsigned long section_size,
+ unsigned long total_sent,
+ unsigned long total_size);
+void (*pre_add_symbol_hook) (char *);
+void (*post_add_symbol_hook) (void);
+void (*target_new_objfile_hook) (struct objfile *);
+
+static void clear_symtab_users_cleanup (void *ignore);
/* Global variables owned by this file */
int readnow_symbol_files; /* Read full symbols immediately */
/* External variables and functions referenced. */
-extern int info_verbose;
-
-extern void report_transfer_performance PARAMS ((unsigned long,
- time_t, time_t));
+extern void report_transfer_performance (unsigned long, time_t, time_t);
/* Functions this file defines */
#if 0
-static int simple_read_overlay_region_table PARAMS ((void));
-static void simple_free_overlay_region_table PARAMS ((void));
+static int simple_read_overlay_region_table (void);
+static void simple_free_overlay_region_table (void);
#endif
-static void set_initial_language PARAMS ((void));
+static void set_initial_language (void);
-static void load_command PARAMS ((char *, int));
+static void load_command (char *, int);
-static void add_symbol_file_command PARAMS ((char *, int));
+static void symbol_file_add_main_1 (char *args, int from_tty, int flags);
-static void add_shared_symbol_files_command PARAMS ((char *, int));
+static void add_symbol_file_command (char *, int);
-static void cashier_psymtab PARAMS ((struct partial_symtab *));
+static void add_shared_symbol_files_command (char *, int);
-static int compare_psymbols PARAMS ((const void *, const void *));
+static void cashier_psymtab (struct partial_symtab *);
-static int compare_symbols PARAMS ((const void *, const void *));
+bfd *symfile_bfd_open (char *);
-bfd *symfile_bfd_open PARAMS ((char *));
+int get_section_index (struct objfile *, char *);
-static void find_sym_fns PARAMS ((struct objfile *));
+static void find_sym_fns (struct objfile *);
-static void decrement_reading_symtab PARAMS ((void *));
+static void decrement_reading_symtab (void *);
-static void overlay_invalidate_all PARAMS ((void));
+static void overlay_invalidate_all (void);
-static int overlay_is_mapped PARAMS ((struct obj_section *));
+static int overlay_is_mapped (struct obj_section *);
-void list_overlays_command PARAMS ((char *, int));
+void list_overlays_command (char *, int);
-void map_overlay_command PARAMS ((char *, int));
+void map_overlay_command (char *, int);
-void unmap_overlay_command PARAMS ((char *, int));
+void unmap_overlay_command (char *, int);
-static void overlay_auto_command PARAMS ((char *, int));
+static void overlay_auto_command (char *, int);
-static void overlay_manual_command PARAMS ((char *, int));
+static void overlay_manual_command (char *, int);
-static void overlay_off_command PARAMS ((char *, int));
+static void overlay_off_command (char *, int);
-static void overlay_load_command PARAMS ((char *, int));
+static void overlay_load_command (char *, int);
-static void overlay_command PARAMS ((char *, int));
+static void overlay_command (char *, int);
-static void simple_free_overlay_table PARAMS ((void));
+static void simple_free_overlay_table (void);
-static void read_target_long_array PARAMS ((CORE_ADDR, unsigned int *, int));
+static void read_target_long_array (CORE_ADDR, unsigned int *, int);
-static int simple_read_overlay_table PARAMS ((void));
+static int simple_read_overlay_table (void);
-static int simple_overlay_update_1 PARAMS ((struct obj_section *));
+static int simple_overlay_update_1 (struct obj_section *);
-static void add_filename_language PARAMS ((char *ext, enum language lang));
+static void add_filename_language (char *ext, enum language lang);
-static void set_ext_lang_command PARAMS ((char *args, int from_tty));
+static void set_ext_lang_command (char *args, int from_tty);
-static void info_ext_lang_command PARAMS ((char *args, int from_tty));
+static void info_ext_lang_command (char *args, int from_tty);
-static void init_filename_language_table PARAMS ((void));
+static void init_filename_language_table (void);
-void _initialize_symfile PARAMS ((void));
+void _initialize_symfile (void);
/* List of all available sym_fns. On gdb startup, each object file reader
calls add_symtab_fns() to register information on each format it is
int symbol_reloading = 0;
#endif
-/* If non-zero, then on HP-UX (i.e., platforms that use somsolib.c),
- this variable is interpreted as a threshhold. If adding a new
- library's symbol table to those already known to the debugger would
- exceed this threshhold, then the shlib's symbols are not added.
-
- If non-zero on other platforms, shared library symbols will be added
- automatically when the inferior is created, new libraries are loaded,
- or when attaching to the inferior. This is almost always what users
- will want to have happen; but for very large programs, the startup
- time will be excessive, and so if this is a problem, the user can
- clear this flag and then add the shared library symbols as needed.
- Note that there is a potential for confusion, since if the shared
+/* If non-zero, shared library symbols will be added automatically
+ when the inferior is created, new libraries are loaded, or when
+ attaching to the inferior. This is almost always what users will
+ want to have happen; but for very large programs, the startup time
+ will be excessive, and so if this is a problem, the user can clear
+ this flag and then add the shared library symbols as needed. Note
+ that there is a potential for confusion, since if the shared
library symbols are not loaded, commands like "info fun" will *not*
- report all the functions that are actually present.
-
- Note that HP-UX interprets this variable to mean, "threshhold size
- in megabytes, where zero means never add". Other platforms interpret
- this variable to mean, "always add if non-zero, never add if zero."
- */
+ report all the functions that are actually present. */
int auto_solib_add = 1;
+
+/* For systems that support it, a threshold size in megabytes. If
+ automatically adding a new library's symbol table to those already
+ known to the debugger would cause the total shared library symbol
+ size to exceed this threshhold, then the shlib's symbols are not
+ added. The threshold is ignored if the user explicitly asks for a
+ shlib to be added, such as when using the "sharedlibrary"
+ command. */
+
+int auto_solib_limit;
\f
/* Since this function is called from within qsort, in an ANSI environment
comparison function takes two "void *" pointers. */
static int
-compare_symbols (s1p, s2p)
- const PTR s1p;
- const PTR s2p;
+compare_symbols (const void *s1p, const void *s2p)
{
register struct symbol **s1, **s2;
s1 = (struct symbol **) s1p;
s2 = (struct symbol **) s2p;
-
- return (STRCMP (SYMBOL_NAME (*s1), SYMBOL_NAME (*s2)));
+ return (strcmp (SYMBOL_SOURCE_NAME (*s1), SYMBOL_SOURCE_NAME (*s2)));
}
/*
*/
static int
-compare_psymbols (s1p, s2p)
- const PTR s1p;
- const PTR s2p;
+compare_psymbols (const void *s1p, const void *s2p)
{
- register char *st1 = SYMBOL_NAME (*(struct partial_symbol **) s1p);
- register char *st2 = SYMBOL_NAME (*(struct partial_symbol **) s2p);
+ register struct partial_symbol **s1, **s2;
+ register char *st1, *st2;
+
+ s1 = (struct partial_symbol **) s1p;
+ s2 = (struct partial_symbol **) s2p;
+ st1 = SYMBOL_SOURCE_NAME (*s1);
+ st2 = SYMBOL_SOURCE_NAME (*s2);
+
if ((st1[0] - st2[0]) || !st1[0])
{
}
else
{
- /* Note: I replaced the STRCMP line (commented out below)
- * with a simpler "strcmp()" which compares the 2 strings
- * from the beginning. (STRCMP is a macro which first compares
- * the initial characters, then falls back on strcmp).
- * The reason is that the STRCMP line was tickling a C compiler
- * bug on HP-UX 10.30, which is avoided with the simpler
- * code. The performance gain from the more complicated code
- * is negligible, given that we have already checked the
- * initial 2 characters above. I reported the compiler bug,
- * and once it is fixed the original line can be put back. RT
- */
- /* return ( STRCMP (st1 + 2, st2 + 2)); */
return (strcmp (st1, st2));
}
}
void
-sort_pst_symbols (pst)
- struct partial_symtab *pst;
+sort_pst_symbols (struct partial_symtab *pst)
{
/* Sort the global list; don't sort the static list */
/* Call sort_block_syms to sort alphabetically the symbols of one block. */
void
-sort_block_syms (b)
- register struct block *b;
+sort_block_syms (register struct block *b)
{
qsort (&BLOCK_SYM (b, 0), BLOCK_NSYMS (b),
sizeof (struct symbol *), compare_symbols);
the symbols of each block of one symtab. */
void
-sort_symtab_syms (s)
- register struct symtab *s;
+sort_symtab_syms (register struct symtab *s)
{
register struct blockvector *bv;
int nbl;
may be part of a larger string and we are only saving a substring. */
char *
-obsavestring (ptr, size, obstackp)
- char *ptr;
- int size;
- struct obstack *obstackp;
+obsavestring (char *ptr, int size, struct obstack *obstackp)
{
register char *p = (char *) obstack_alloc (obstackp, size + 1);
/* Open-coded memcpy--saves function call time. These strings are usually
in the obstack pointed to by OBSTACKP. */
char *
-obconcat (obstackp, s1, s2, s3)
- struct obstack *obstackp;
- const char *s1, *s2, *s3;
+obconcat (struct obstack *obstackp, const char *s1, const char *s2,
+ const char *s3)
{
register int len = strlen (s1) + strlen (s2) + strlen (s3) + 1;
register char *val = (char *) obstack_alloc (obstackp, len);
int currently_reading_symtab = 0;
static void
-decrement_reading_symtab (dummy)
- void *dummy;
+decrement_reading_symtab (void *dummy)
{
currently_reading_symtab--;
}
case inline. */
struct symtab *
-psymtab_to_symtab (pst)
- register struct partial_symtab *pst;
+psymtab_to_symtab (register struct partial_symtab *pst)
{
/* If it's been looked up before, return it. */
if (pst->symtab)
/* Initialize entry point information for this objfile. */
void
-init_entry_point_info (objfile)
- struct objfile *objfile;
+init_entry_point_info (struct objfile *objfile)
{
/* Save startup file's range of PC addresses to help blockframe.c
decide where the bottom of the stack is. */
/* Get current entry point address. */
CORE_ADDR
-entry_point_address ()
+entry_point_address (void)
{
return symfile_objfile ? symfile_objfile->ei.entry_point : 0;
}
lowest-addressed loadable section. */
void
-find_lowest_section (abfd, sect, obj)
- bfd *abfd;
- asection *sect;
- PTR obj;
+find_lowest_section (bfd *abfd, asection *sect, PTR obj)
{
asection **lowest = (asection **) obj;
*lowest = sect;
}
+
+/* Build (allocate and populate) a section_addr_info struct from
+ an existing section table. */
+
+extern struct section_addr_info *
+build_section_addr_info_from_section_table (const struct section_table *start,
+ const struct section_table *end)
+{
+ struct section_addr_info *sap;
+ const struct section_table *stp;
+ int oidx;
+
+ sap = xmalloc (sizeof (struct section_addr_info));
+ memset (sap, 0, sizeof (struct section_addr_info));
+
+ for (stp = start, oidx = 0; stp != end; stp++)
+ {
+ if (bfd_get_section_flags (stp->bfd,
+ stp->the_bfd_section) & (SEC_ALLOC | SEC_LOAD)
+ && oidx < MAX_SECTIONS)
+ {
+ sap->other[oidx].addr = stp->addr;
+ sap->other[oidx].name
+ = xstrdup (bfd_section_name (stp->bfd, stp->the_bfd_section));
+ sap->other[oidx].sectindex = stp->the_bfd_section->index;
+ oidx++;
+ }
+ }
+
+ return sap;
+}
+
+
+/* Free all memory allocated by build_section_addr_info_from_section_table. */
+
+extern void
+free_section_addr_info (struct section_addr_info *sap)
+{
+ int idx;
+
+ for (idx = 0; idx < MAX_SECTIONS; idx++)
+ if (sap->other[idx].name)
+ xfree (sap->other[idx].name);
+ xfree (sap);
+}
+
+
/* Parse the user's idea of an offset for dynamic linking, into our idea
of how to represent it for fast symbol reading. This is the default
version of the sym_fns.sym_offsets function for symbol readers that
for the objectfile OBJFILE and stuffs ADDR into all of the offsets. */
void
-default_symfile_offsets (objfile, addrs)
- struct objfile *objfile;
- struct section_addr_info *addrs;
+default_symfile_offsets (struct objfile *objfile,
+ struct section_addr_info *addrs)
{
int i;
+ asection *sect = NULL;
objfile->num_sections = SECT_OFF_MAX;
objfile->section_offsets = (struct section_offsets *)
obstack_alloc (&objfile->psymbol_obstack, SIZEOF_SECTION_OFFSETS);
memset (objfile->section_offsets, 0, SIZEOF_SECTION_OFFSETS);
- /* If user explicitly specified values for data and bss, set them here. */
-
- if (addrs->text_addr)
- ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT) = addrs->text_addr;
- if (addrs->data_addr)
- ANOFFSET (objfile->section_offsets, SECT_OFF_DATA) = addrs->data_addr;
- if (addrs->bss_addr)
- ANOFFSET (objfile->section_offsets, SECT_OFF_BSS) = addrs->bss_addr;
-
- /* Now calculate offsets for other sections. */
+ /* Now calculate offsets for section that were specified by the
+ caller. */
for (i = 0; i < MAX_SECTIONS && addrs->other[i].name; i++)
{
struct other_sections *osp ;
osp = &addrs->other[i] ;
- if (addrs->other[i].addr == 0)
+ if (osp->addr == 0)
continue;
-#if 0
- if (strcmp (".text", osp->name) == 0)
- SECT_OFF_TEXT = osp->sectindex ;
- else if (strcmp (".data", osp->name) == 0)
- SECT_OFF_DATA = osp->sectindex ;
- else if (strcmp (".bss", osp->name) == 0)
- SECT_OFF_BSS = osp->sectindex ;
-#endif
+
/* Record all sections in offsets */
- ANOFFSET (objfile->section_offsets, osp->sectindex) = osp->addr;
+ /* The section_offsets in the objfile are here filled in using
+ the BFD index. */
+ (objfile->section_offsets)->offsets[osp->sectindex] = osp->addr;
}
-}
+ /* Remember the bfd indexes for the .text, .data, .bss and
+ .rodata sections. */
+
+ sect = bfd_get_section_by_name (objfile->obfd, ".text");
+ if (sect)
+ objfile->sect_index_text = sect->index;
+
+ sect = bfd_get_section_by_name (objfile->obfd, ".data");
+ if (sect)
+ objfile->sect_index_data = sect->index;
+
+ sect = bfd_get_section_by_name (objfile->obfd, ".bss");
+ if (sect)
+ objfile->sect_index_bss = sect->index;
+
+ sect = bfd_get_section_by_name (objfile->obfd, ".rodata");
+ if (sect)
+ objfile->sect_index_rodata = sect->index;
+
+}
/* Process a symbol file, as either the main file or as a dynamically
loaded file.
the symbol reading (and complaints can be more terse about it). */
void
-syms_from_objfile (objfile, addrs, mainline, verbo)
- struct objfile *objfile;
- struct section_addr_info *addrs;
- int mainline;
- int verbo;
+syms_from_objfile (struct objfile *objfile, struct section_addr_info *addrs,
+ int mainline, int verbo)
{
- struct section_offsets *section_offsets;
asection *lower_sect;
asection *sect;
CORE_ADDR lower_offset;
init_entry_point_info (objfile);
find_sym_fns (objfile);
+ if (objfile->sf == NULL)
+ return; /* No symbols. */
+
/* Make sure that partially constructed symbol tables will be cleaned up
if an error occurs during symbol reading. */
- old_chain = make_cleanup ((make_cleanup_func) free_objfile, objfile);
+ old_chain = make_cleanup_free_objfile (objfile);
if (mainline)
{
/* We will modify the main symbol table, make sure that all its users
will be cleaned up if an error occurs during symbol reading. */
- make_cleanup ((make_cleanup_func) clear_symtab_users, 0);
+ make_cleanup (clear_symtab_users_cleanup, 0 /*ignore*/);
/* Since no error yet, throw away the old symbol table. */
We no longer warn if the lowest section is not a text segment (as
happens for the PA64 port. */
- if (mainline)
- {
- /* No offset from objfile addresses. */
- addrs -> text_addr = 0;
- addrs -> data_addr = 0;
- addrs -> bss_addr = 0;
- }
- else
+ if (!mainline)
{
/* Find lowest loadable section to be used as starting point for
continguous sections. FIXME!! won't work without call to find
if (lower_sect == NULL)
warning ("no loadable sections found in added symbol-file %s",
objfile->name);
- else if ((bfd_get_section_flags (objfile->obfd, lower_sect) & SEC_CODE)
- == 0)
- warning ("Lowest section in %s is %s at %s",
- objfile->name,
- bfd_section_name (objfile->obfd, lower_sect),
- paddr (bfd_section_vma (objfile->obfd, lower_sect)));
+ else
+ if ((bfd_get_section_flags (objfile->obfd, lower_sect) & SEC_CODE) == 0)
+ warning ("Lowest section in %s is %s at %s",
+ objfile->name,
+ bfd_section_name (objfile->obfd, lower_sect),
+ paddr (bfd_section_vma (objfile->obfd, lower_sect)));
if (lower_sect != NULL)
lower_offset = bfd_section_vma (objfile->obfd, lower_sect);
else
(the loadable section directly below it in memory).
this_offset = lower_offset = lower_addr - lower_orig_addr */
- /* FIXME: These sections will not need special treatment because ALL
- sections are in the other sections table */
-
- if (addrs->text_addr != 0)
- {
- sect = bfd_get_section_by_name (objfile->obfd, ".text");
- if (sect)
- {
- addrs->text_addr -= bfd_section_vma (objfile->obfd, sect);
- lower_offset = addrs->text_addr;
- }
- }
- else
- /* ??? who's below me? */
- addrs->text_addr = lower_offset;
-
- if (addrs->data_addr != 0)
- {
- sect = bfd_get_section_by_name (objfile->obfd, ".data");
- if (sect)
- {
- addrs->data_addr -= bfd_section_vma (objfile->obfd, sect);
- lower_offset = addrs->data_addr;
- }
- }
- else
- addrs->data_addr = lower_offset;
-
- if (addrs->bss_addr != 0)
- {
- sect = bfd_get_section_by_name (objfile->obfd, ".bss");
- if (sect)
- {
- addrs->bss_addr -= bfd_section_vma (objfile->obfd, sect);
- lower_offset = addrs->bss_addr;
- }
- }
- else
- addrs->bss_addr = lower_offset;
-
- /* Now calculate offsets for other sections. */
+ /* Calculate offsets for sections. */
for (i=0 ; i < MAX_SECTIONS && addrs->other[i].name; i++)
{
-
- if (addrs->other[i].addr != 0)
+ if (addrs->other[i].addr != 0)
{
- sect=bfd_get_section_by_name(objfile->obfd, addrs->other[i].name);
+ sect = bfd_get_section_by_name (objfile->obfd, addrs->other[i].name);
if (sect)
{
addrs->other[i].addr -= bfd_section_vma (objfile->obfd, sect);
lower_offset = addrs->other[i].addr;
+ /* This is the index used by BFD. */
addrs->other[i].sectindex = sect->index ;
}
else
CORE_ADDR s_addr = 0;
int i;
- if (strcmp (s->the_bfd_section->name, ".text") == 0)
- s_addr = addrs->text_addr;
- else if (strcmp (s->the_bfd_section->name, ".data") == 0)
- s_addr = addrs->data_addr;
- else if (strcmp (s->the_bfd_section->name, ".bss") == 0)
- s_addr = addrs->bss_addr;
- else
- for (i = 0; !s_addr && addrs->other[i].name; i++)
- if (strcmp (s->the_bfd_section->name, addrs->other[i].name) == 0)
+ for (i = 0;
+ !s_addr && i < MAX_SECTIONS && addrs->other[i].name;
+ i++)
+ if (strcmp (bfd_section_name (s->objfile->obfd,
+ s->the_bfd_section),
+ addrs->other[i].name) == 0)
s_addr = addrs->other[i].addr; /* end added for gdb/13815 */
s->addr -= s->offset;
discard_cleanups (old_chain);
/* Call this after reading in a new symbol table to give target
- dependant code a crack at the new symbols. For instance, this
+ dependent code a crack at the new symbols. For instance, this
could be used to update the values of target-specific symbols GDB
needs to keep track of (such as _sigtramp, or whatever). */
objfile. */
void
-new_symfile_objfile (objfile, mainline, verbo)
- struct objfile *objfile;
- int mainline;
- int verbo;
+new_symfile_objfile (struct objfile *objfile, int mainline, int verbo)
{
/* If this is the main symbol file we have to clean up all users of the
Upon failure, jumps back to command level (never returns). */
struct objfile *
-symbol_file_add (name, from_tty, addrs, mainline, flags)
- char *name;
- int from_tty;
- struct section_addr_info *addrs;
- int mainline;
- int flags;
+symbol_file_add (char *name, int from_tty, struct section_addr_info *addrs,
+ int mainline, int flags)
{
struct objfile *objfile;
struct partial_symtab *psymtab;
}
}
+ if (objfile->sf == NULL)
+ return objfile; /* No symbols. */
+
new_symfile_objfile (objfile, mainline, from_tty);
- target_new_objfile (objfile);
+ if (target_new_objfile_hook)
+ target_new_objfile_hook (objfile);
return (objfile);
}
+/* Call symbol_file_add() with default values and update whatever is
+ affected by the loading of a new main().
+ Used when the file is supplied in the gdb command line
+ and by some targets with special loading requirements.
+ The auxiliary function, symbol_file_add_main_1(), has the flags
+ argument for the switches that can only be specified in the symbol_file
+ command itself. */
+
+void
+symbol_file_add_main (char *args, int from_tty)
+{
+ symbol_file_add_main_1 (args, from_tty, 0);
+}
+
+static void
+symbol_file_add_main_1 (char *args, int from_tty, int flags)
+{
+ symbol_file_add (args, from_tty, NULL, 1, flags);
+
+#ifdef HPUXHPPA
+ RESET_HP_UX_GLOBALS ();
+#endif
+
+ /* Getting new symbols may change our opinion about
+ what is frameless. */
+ reinit_frame_cache ();
+
+ set_initial_language ();
+}
+
+void
+symbol_file_clear (int from_tty)
+{
+ if ((have_full_symbols () || have_partial_symbols ())
+ && from_tty
+ && !query ("Discard symbol table from `%s'? ",
+ symfile_objfile->name))
+ error ("Not confirmed.");
+ free_all_objfiles ();
+
+ /* solib descriptors may have handles to objfiles. Since their
+ storage has just been released, we'd better wipe the solib
+ descriptors as well.
+ */
+#if defined(SOLIB_RESTART)
+ SOLIB_RESTART ();
+#endif
+
+ symfile_objfile = NULL;
+ if (from_tty)
+ printf_unfiltered ("No symbol file now.\n");
+#ifdef HPUXHPPA
+ RESET_HP_UX_GLOBALS ();
+#endif
+}
+
/* 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
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). */
+/* Note: ezannoni 2000-04-17. This function used to have support for
+ rombug (see remote-os9k.c). It consisted of a call to target_link()
+ (target.c) to get the address of the text segment from the target,
+ and pass that to symbol_file_add(). This is no longer supported. */
void
-symbol_file_command (args, from_tty)
- char *args;
- int from_tty;
+symbol_file_command (char *args, int from_tty)
{
char **argv;
char *name = NULL;
- CORE_ADDR text_relocation = 0; /* text_relocation */
struct cleanup *cleanups;
int flags = OBJF_USERLOADED;
if (args == NULL)
{
- if ((have_full_symbols () || have_partial_symbols ())
- && from_tty
- && !query ("Discard symbol table from `%s'? ",
- symfile_objfile->name))
- error ("Not confirmed.");
- free_all_objfiles ();
-
- /* solib descriptors may have handles to objfiles. Since their
- storage has just been released, we'd better wipe the solib
- descriptors as well.
- */
-#if defined(SOLIB_RESTART)
- SOLIB_RESTART ();
-#endif
-
- symfile_objfile = NULL;
- if (from_tty)
- {
- printf_unfiltered ("No symbol file now.\n");
- }
-#ifdef HPUXHPPA
- RESET_HP_UX_GLOBALS ();
-#endif
+ symbol_file_clear (from_tty);
}
else
{
while (*argv != NULL)
{
if (STREQ (*argv, "-mapped"))
- {
- flags |= OBJF_MAPPED;
- }
- else if (STREQ (*argv, "-readnow"))
- {
+ flags |= OBJF_MAPPED;
+ else
+ if (STREQ (*argv, "-readnow"))
flags |= OBJF_READNOW;
- }
- else if (**argv == '-')
- {
- error ("unknown option `%s'", *argv);
- }
- else
- {
- 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, NULL, 1, flags);
-#ifdef HPUXHPPA
- RESET_HP_UX_GLOBALS ();
-#endif
- }
+ else
+ if (**argv == '-')
+ error ("unknown option `%s'", *argv);
else
{
- struct section_addr_info section_addrs;
- memset (§ion_addrs, 0, sizeof (section_addrs));
- section_addrs.text_addr = (CORE_ADDR) text_relocation;
- symbol_file_add (name, from_tty, §ion_addrs, 0, flags);
- }
-
- /* Getting new symbols may change our opinion about what is
- frameless. */
- reinit_frame_cache ();
+ name = *argv;
- set_initial_language ();
- }
+ symbol_file_add_main_1 (name, from_tty, flags);
+ }
argv++;
}
{
error ("no symbol file name was specified");
}
- TUIDO (((TuiOpaqueFuncPtr) tuiDisplayMainFunction));
do_cleanups (cleanups);
}
}
FIXME. */
static void
-set_initial_language ()
+set_initial_language (void)
{
struct partial_symtab *pst;
enum language lang = language_unknown;
In case of trouble, error() is called. */
bfd *
-symfile_bfd_open (name)
- char *name;
+symfile_bfd_open (char *name)
{
bfd *sym_bfd;
int desc;
/* Look down path for it, allocate 2nd new malloc'd copy. */
desc = openp (getenv ("PATH"), 1, name, O_RDONLY | O_BINARY, 0, &absolute_name);
-#if defined(__GO32__) || defined(_WIN32)
+#if defined(__GO32__) || defined(_WIN32) || defined (__CYGWIN__)
if (desc < 0)
{
char *exename = alloca (strlen (name) + 5);
#endif
if (desc < 0)
{
- make_cleanup (free, name);
+ make_cleanup (xfree, name);
perror_with_name (name);
}
- free (name); /* Free 1st new malloc'd copy */
+ xfree (name); /* Free 1st new malloc'd copy */
name = absolute_name; /* Keep 2nd malloc'd copy in bfd */
/* It'll be freed in free_objfile(). */
if (!sym_bfd)
{
close (desc);
- make_cleanup (free, name);
+ make_cleanup (xfree, name);
error ("\"%s\": can't open to read symbols: %s.", name,
bfd_errmsg (bfd_get_error ()));
}
- sym_bfd->cacheable = true;
+ sym_bfd->cacheable = 1;
if (!bfd_check_format (sym_bfd, bfd_object))
{
on error it does not free all the storage associated with the
bfd). */
bfd_close (sym_bfd); /* This also closes desc */
- make_cleanup (free, name);
+ make_cleanup (xfree, name);
error ("\"%s\": can't read symbols: %s.", name,
bfd_errmsg (bfd_get_error ()));
}
return (sym_bfd);
}
+/* Return the section index for the given section name. Return -1 if
+ the section was not found. */
+int
+get_section_index (struct objfile *objfile, char *section_name)
+{
+ asection *sect = bfd_get_section_by_name (objfile->obfd, section_name);
+ if (sect)
+ return sect->index;
+ else
+ return -1;
+}
+
/* Link a new symtab_fns into the global symtab_fns list. Called on gdb
startup by the _initialize routine in each object file format reader,
to register information about each format the the reader is prepared
to handle. */
void
-add_symtab_fns (sf)
- struct sym_fns *sf;
+add_symtab_fns (struct sym_fns *sf)
{
sf->next = symtab_fns;
symtab_fns = sf;
symbol file. */
static void
-find_sym_fns (objfile)
- struct objfile *objfile;
+find_sym_fns (struct objfile *objfile)
{
struct sym_fns *sf;
enum bfd_flavour our_flavour = bfd_get_flavour (objfile->obfd);
char *our_target = bfd_get_target (objfile->obfd);
- /* Special kludge for RS/6000 and PowerMac. See xcoffread.c. */
- if (STREQ (our_target, "aixcoff-rs6000") ||
- STREQ (our_target, "xcoff-powermac"))
- our_flavour = (enum bfd_flavour) -1;
+ if (our_flavour == bfd_target_srec_flavour
+ || our_flavour == bfd_target_ihex_flavour
+ || our_flavour == bfd_target_tekhex_flavour)
+ return; /* No symbols. */
/* Special kludge for apollo. See dstread.c. */
if (STREQN (our_target, "apollo", 6))
/* This function runs the load command of our current target. */
static void
-load_command (arg, from_tty)
- char *arg;
- int from_tty;
+load_command (char *arg, int from_tty)
{
if (arg == NULL)
arg = get_exec_file (1);
target_load (arg, from_tty);
+
+ /* After re-loading the executable, we don't really know which
+ overlays are mapped any more. */
+ overlay_cache_invalid = 1;
}
/* This version of "load" should be usable for any target. Currently
static int download_write_size = 512;
static int validate_download = 0;
+/* Callback service function for generic_load (bfd_map_over_sections). */
+
+static void
+add_section_size_callback (bfd *abfd, asection *asec, void *data)
+{
+ bfd_size_type *sum = data;
+
+ *sum += bfd_get_section_size_before_reloc (asec);
+}
+
+/* Opaque data for load_section_callback. */
+struct load_section_data {
+ unsigned long load_offset;
+ unsigned long write_count;
+ unsigned long data_count;
+ bfd_size_type total_size;
+};
+
+/* Callback service function for generic_load (bfd_map_over_sections). */
+
+static void
+load_section_callback (bfd *abfd, asection *asec, void *data)
+{
+ struct load_section_data *args = data;
+
+ if (bfd_get_section_flags (abfd, asec) & SEC_LOAD)
+ {
+ bfd_size_type size = bfd_get_section_size_before_reloc (asec);
+ if (size > 0)
+ {
+ char *buffer;
+ struct cleanup *old_chain;
+ CORE_ADDR lma = bfd_section_lma (abfd, asec) + args->load_offset;
+ bfd_size_type block_size;
+ int err;
+ const char *sect_name = bfd_get_section_name (abfd, asec);
+ bfd_size_type sent;
+
+ if (download_write_size > 0 && size > download_write_size)
+ block_size = download_write_size;
+ else
+ block_size = size;
+
+ buffer = xmalloc (size);
+ old_chain = make_cleanup (xfree, buffer);
+
+ /* Is this really necessary? I guess it gives the user something
+ to look at during a long download. */
+ ui_out_message (uiout, 0, "Loading section %s, size 0x%s lma 0x%s\n",
+ sect_name, paddr_nz (size), paddr_nz (lma));
+
+ bfd_get_section_contents (abfd, asec, buffer, 0, size);
+
+ sent = 0;
+ do
+ {
+ int len;
+ bfd_size_type this_transfer = size - sent;
+
+ if (this_transfer >= block_size)
+ this_transfer = block_size;
+ len = target_write_memory_partial (lma, buffer,
+ this_transfer, &err);
+ if (err)
+ break;
+ if (validate_download)
+ {
+ /* Broken memories and broken monitors manifest
+ themselves here when bring new computers to
+ life. This doubles already slow downloads. */
+ /* NOTE: cagney/1999-10-18: A more efficient
+ implementation might add a verify_memory()
+ method to the target vector and then use
+ that. remote.c could implement that method
+ using the ``qCRC'' packet. */
+ char *check = xmalloc (len);
+ struct cleanup *verify_cleanups =
+ make_cleanup (xfree, check);
+
+ if (target_read_memory (lma, check, len) != 0)
+ error ("Download verify read failed at 0x%s",
+ paddr (lma));
+ if (memcmp (buffer, check, len) != 0)
+ error ("Download verify compare failed at 0x%s",
+ paddr (lma));
+ do_cleanups (verify_cleanups);
+ }
+ args->data_count += len;
+ lma += len;
+ buffer += len;
+ args->write_count += 1;
+ sent += len;
+ if (quit_flag
+ || (ui_load_progress_hook != NULL
+ && ui_load_progress_hook (sect_name, sent)))
+ error ("Canceled the download");
+
+ if (show_load_progress != NULL)
+ show_load_progress (sect_name, sent, size,
+ args->data_count, args->total_size);
+ }
+ while (sent < size);
+
+ if (err != 0)
+ error ("Memory access error while loading section %s.", sect_name);
+
+ do_cleanups (old_chain);
+ }
+ }
+}
+
void
generic_load (char *args, int from_tty)
{
asection *s;
bfd *loadfile_bfd;
time_t start_time, end_time; /* Start and end times of download */
- unsigned long data_count = 0; /* Number of bytes transferred to memory */
- unsigned long write_count = 0; /* Number of writes needed. */
- unsigned long load_offset; /* offset to add to vma for each section */
char *filename;
struct cleanup *old_cleanups;
char *offptr;
+ struct load_section_data cbdata;
+ CORE_ADDR entry;
+
+ cbdata.load_offset = 0; /* Offset to add to vma for each section. */
+ cbdata.write_count = 0; /* Number of writes needed. */
+ cbdata.data_count = 0; /* Number of bytes written to target memory. */
+ cbdata.total_size = 0; /* Total size of all bfd sectors. */
/* Parse the input argument - the user can specify a load offset as
a second argument. */
filename = xmalloc (strlen (args) + 1);
- old_cleanups = make_cleanup (free, filename);
+ old_cleanups = make_cleanup (xfree, filename);
strcpy (filename, args);
offptr = strchr (filename, ' ');
if (offptr != NULL)
{
char *endptr;
- load_offset = strtoul (offptr, &endptr, 0);
+
+ cbdata.load_offset = strtoul (offptr, &endptr, 0);
if (offptr == endptr)
error ("Invalid download offset:%s\n", offptr);
*offptr = '\0';
}
else
- load_offset = 0;
+ cbdata.load_offset = 0;
/* Open the file for loading. */
loadfile_bfd = bfd_openr (filename, gnutarget);
/* FIXME: should be checking for errors from bfd_close (for one thing,
on error it does not free all the storage associated with the
bfd). */
- make_cleanup ((make_cleanup_func) bfd_close, loadfile_bfd);
+ make_cleanup_bfd_close (loadfile_bfd);
if (!bfd_check_format (loadfile_bfd, bfd_object))
{
bfd_errmsg (bfd_get_error ()));
}
- start_time = time (NULL);
+ bfd_map_over_sections (loadfile_bfd, add_section_size_callback,
+ (void *) &cbdata.total_size);
- for (s = loadfile_bfd->sections; s; s = s->next)
- {
- if (s->flags & SEC_LOAD)
- {
- CORE_ADDR size = bfd_get_section_size_before_reloc (s);
- if (size > 0)
- {
- char *buffer;
- struct cleanup *old_chain;
- CORE_ADDR lma = s->lma + load_offset;
- CORE_ADDR block_size;
- int err;
- const char *sect_name = bfd_get_section_name (loadfile_bfd, s);
- CORE_ADDR sent;
-
- if (download_write_size > 0 && size > download_write_size)
- block_size = download_write_size;
- else
- block_size = size;
-
- buffer = xmalloc (size);
- old_chain = make_cleanup (free, buffer);
-
- /* Is this really necessary? I guess it gives the user something
- to look at during a long download. */
- fprintf_unfiltered (gdb_stdout,
- "Loading section %s, size 0x%s lma 0x%s\n",
- sect_name, paddr_nz (size), paddr_nz (lma));
-
- bfd_get_section_contents (loadfile_bfd, s, buffer, 0, size);
-
- sent = 0;
- do
- {
- CORE_ADDR len;
- CORE_ADDR this_transfer = size - sent;
- if (this_transfer >= block_size)
- this_transfer = block_size;
- len = target_write_memory_partial (lma, buffer,
- this_transfer, &err);
- if (err)
- break;
- if (validate_download)
- {
- /* Broken memories and broken monitors manifest
- themselves here when bring new computers to
- life. This doubles already slow downloads. */
- /* NOTE: cagney/1999-10-18: A more efficient
- implementation might add a verify_memory()
- method to the target vector and then use
- that. remote.c could implement that method
- using the ``qCRC'' packet. */
- char *check = xmalloc (len);
- struct cleanup *verify_cleanups = make_cleanup (free, check);
- if (target_read_memory (lma, check, len) != 0)
- error ("Download verify read failed at 0x%s",
- paddr (lma));
- if (memcmp (buffer, check, len) != 0)
- error ("Download verify compare failed at 0x%s",
- paddr (lma));
- do_cleanups (verify_cleanups);
- }
- data_count += len;
- lma += len;
- buffer += len;
- write_count += 1;
- sent += len;
- if (quit_flag
- || (ui_load_progress_hook != NULL
- && ui_load_progress_hook (sect_name, sent)))
- error ("Canceled the download");
- }
- while (sent < size);
+ start_time = time (NULL);
- if (err != 0)
- error ("Memory access error while loading section %s.", sect_name);
-
- do_cleanups (old_chain);
- }
- }
- }
+ bfd_map_over_sections (loadfile_bfd, load_section_callback, &cbdata);
end_time = time (NULL);
- {
- CORE_ADDR entry;
- entry = bfd_get_start_address (loadfile_bfd);
- fprintf_unfiltered (gdb_stdout,
- "Start address 0x%s , load size %ld\n",
- paddr_nz (entry), data_count);
- /* We were doing this in remote-mips.c, I suspect it is right
- for other targets too. */
- write_pc (entry);
- }
+
+ entry = bfd_get_start_address (loadfile_bfd);
+ ui_out_text (uiout, "Start address ");
+ ui_out_field_fmt (uiout, "address", "0x%s", paddr_nz (entry));
+ ui_out_text (uiout, ", load size ");
+ ui_out_field_fmt (uiout, "load-size", "%lu", cbdata.data_count);
+ ui_out_text (uiout, "\n");
+ /* We were doing this in remote-mips.c, I suspect it is right
+ for other targets too. */
+ write_pc (entry);
/* FIXME: are we supposed to call symbol_file_add or not? According to
a comment from remote-mips.c (where a call to symbol_file_add was
loaded in. remote-nindy.c had no call to symbol_file_add, but remote-vx.c
does. */
- print_transfer_performance (gdb_stdout, data_count, write_count,
- end_time - start_time);
+ print_transfer_performance (gdb_stdout, cbdata.data_count,
+ cbdata.write_count, end_time - start_time);
do_cleanups (old_cleanups);
}
function signature). */
void
-report_transfer_performance (data_count, start_time, end_time)
- unsigned long data_count;
- time_t start_time, end_time;
+report_transfer_performance (unsigned long data_count, time_t start_time,
+ time_t end_time)
{
- print_transfer_performance (gdb_stdout, data_count, end_time - start_time, 0);
+ print_transfer_performance (gdb_stdout, data_count,
+ end_time - start_time, 0);
}
void
-print_transfer_performance (struct gdb_file *stream,
+print_transfer_performance (struct ui_file *stream,
unsigned long data_count,
unsigned long write_count,
unsigned long time_count)
{
- fprintf_unfiltered (stream, "Transfer rate: ");
+ ui_out_text (uiout, "Transfer rate: ");
if (time_count > 0)
- fprintf_unfiltered (stream, "%ld bits/sec", (data_count * 8) / time_count);
+ {
+ ui_out_field_fmt (uiout, "transfer-rate", "%lu",
+ (data_count * 8) / time_count);
+ ui_out_text (uiout, " bits/sec");
+ }
else
- fprintf_unfiltered (stream, "%ld bits in <1 sec", (data_count * 8));
+ {
+ ui_out_field_fmt (uiout, "transferred-bits", "%lu", (data_count * 8));
+ ui_out_text (uiout, " bits in <1 sec");
+ }
if (write_count > 0)
- fprintf_unfiltered (stream, ", %ld bytes/write", data_count / write_count);
- fprintf_unfiltered (stream, ".\n");
+ {
+ ui_out_text (uiout, ", ");
+ ui_out_field_fmt (uiout, "write-rate", "%lu", data_count / write_count);
+ ui_out_text (uiout, " bytes/write");
+ }
+ ui_out_text (uiout, ".\n");
}
/* This function allows the addition of incrementally linked object files.
It does not modify any state in the target, only in the debugger. */
+/* Note: ezannoni 2000-04-13 This function/command used to have a
+ special case syntax for the rombug target (Rombug is the boot
+ monitor for Microware's OS-9 / OS-9000, see remote-os9k.c). In the
+ rombug case, the user doesn't need to supply a text address,
+ instead a call to target_link() (in target.c) would supply the
+ value to use. We are now discontinuing this type of ad hoc syntax. */
/* ARGSUSED */
static void
-add_symbol_file_command (args, from_tty)
- char *args;
- int from_tty;
+add_symbol_file_command (char *args, int from_tty)
{
- char *name = NULL;
- CORE_ADDR text_addr;
+ char *filename = NULL;
int flags = OBJF_USERLOADED;
char *arg;
int expecting_option = 0;
- int option_index = 0;
+ int section_index = 0;
int argcnt = 0;
int sec_num = 0;
int i;
+ int expecting_sec_name = 0;
+ int expecting_sec_addr = 0;
+
struct
{
- enum { OPT_SECTION } type;
char *name;
char *value;
- } opt[SECT_OFF_MAX];
+ } sect_opts[SECT_OFF_MAX];
+
struct section_addr_info section_addrs;
+ struct cleanup *my_cleanups = make_cleanup (null_cleanup, NULL);
dont_repeat ();
if (args == NULL)
- {
- error ("add-symbol-file takes a file name and an address");
- }
+ error ("add-symbol-file takes a file name and an address");
/* Make a copy of the string that we can safely write into. */
-
- args = strdup (args);
- make_cleanup (free, args);
+ args = xstrdup (args);
/* Ensure section_addrs is initialized */
memset (§ion_addrs, 0, sizeof (section_addrs));
- /* Pick off any -option args and the file name. */
-
while (*args != '\000')
{
+ /* Any leading spaces? */
while (isspace (*args))
- {
- args++;
- }
+ args++;
+
+ /* Point arg to the beginning of the argument. */
arg = args;
+
+ /* Move args pointer over the argument. */
while ((*args != '\000') && !isspace (*args))
- {
- args++;
- }
+ args++;
+
+ /* If there are more arguments, terminate arg and
+ proceed past it. */
if (*args != '\000')
+ *args++ = '\000';
+
+ /* Now process the argument. */
+ if (argcnt == 0)
{
- *args++ = '\000';
- }
- if (*arg != '-')
- {
- if (expecting_option)
- {
- opt[option_index++].value = arg;
- expecting_option = 0;
- }
- else
- {
- switch (argcnt)
- {
- case 0:
- name = arg;
- break;
- case 1:
- opt[option_index].type = OPT_SECTION;
- opt[option_index].name = ".text";
- opt[option_index++].value = arg;
- break;
- case 2:
- opt[option_index].type = OPT_SECTION;
- opt[option_index].name = ".data";
- opt[option_index++].value = arg;
- break;
- case 3:
- opt[option_index].type = OPT_SECTION;
- opt[option_index].name = ".bss";
- opt[option_index++].value = arg;
- break;
- default:
- warning ("Too many arguments entered; see \"help add-symbol-file\" for command syntax.");
- }
- argcnt++;
- }
- }
- else if (STREQ (arg, "-mapped"))
- {
- flags |= OBJF_MAPPED;
- }
- else if (STREQ (arg, "-readnow"))
- {
- flags |= OBJF_READNOW;
+ /* The first argument is the file name. */
+ filename = tilde_expand (arg);
+ make_cleanup (xfree, filename);
}
- else if (STREQN (arg, "-T", 2))
- {
- if (option_index >= SECT_OFF_MAX)
- {
- warning ("Number of options exceeds maximum allowed.");
- }
- else
- {
- expecting_option = 1;
- opt[option_index].type = OPT_SECTION;
- opt[option_index].name = arg + 2;
- }
- }
- else
- {
- error ("Unknown option `%s'", arg);
- }
- }
+ else
+ if (argcnt == 1)
+ {
+ /* The second argument is always the text address at which
+ to load the program. */
+ sect_opts[section_index].name = ".text";
+ sect_opts[section_index].value = arg;
+ section_index++;
+ }
+ else
+ {
+ /* It's an option (starting with '-') or it's an argument
+ to an option */
- if (name == NULL)
- {
- error ("add-symbol-file takes a file name");
+ if (*arg == '-')
+ {
+ if (strcmp (arg, "-mapped") == 0)
+ flags |= OBJF_MAPPED;
+ else
+ if (strcmp (arg, "-readnow") == 0)
+ flags |= OBJF_READNOW;
+ else
+ if (strcmp (arg, "-s") == 0)
+ {
+ if (section_index >= SECT_OFF_MAX)
+ error ("Too many sections specified.");
+ expecting_sec_name = 1;
+ expecting_sec_addr = 1;
+ }
+ }
+ else
+ {
+ if (expecting_sec_name)
+ {
+ sect_opts[section_index].name = arg;
+ expecting_sec_name = 0;
+ }
+ else
+ if (expecting_sec_addr)
+ {
+ sect_opts[section_index].value = arg;
+ expecting_sec_addr = 0;
+ section_index++;
+ }
+ else
+ error ("USAGE: add-symbol-file <filename> <textaddress> [-mapped] [-readnow] [-s <secname> <addr>]*");
+ }
+ }
+ argcnt++;
}
- name = tilde_expand (name);
- make_cleanup (free, name);
- if (option_index > 0)
- {
- /* Print the prompt for the query below.
- We have to split this up into 3 print statements because
- local_hex_string returns a local static string. */
-
- printf_filtered ("add symbol table from file \"%s\" at\n", name);
- for (i = 0; i < option_index; i++)
- {
- switch (opt[i].type)
- {
- case OPT_SECTION:
- {
- CORE_ADDR addr;
- char *val = opt[i].value;
- char *sec = opt[i].name;
-
- val = opt[i].value;
- if (val[0] == '0' && val[1] == 'x')
- addr = strtoul (val+2, NULL, 16);
- else
- addr = strtoul (val, NULL, 10);
+ /* Print the prompt for the query below. And save the arguments into
+ a sect_addr_info structure to be passed around to other
+ functions. We have to split this up into separate print
+ statements because local_hex_string returns a local static
+ string. */
- if (strcmp (sec, ".text") == 0)
- section_addrs.text_addr = addr;
- else if (strcmp (sec, ".data") == 0)
- section_addrs.data_addr = addr;
- else if (strcmp (sec, ".bss") == 0)
- section_addrs.bss_addr = addr;
- /* Add the section to the others even if it is a
- text data or bss section. This is redundent but
- eventually, none will be given special treatment */
- {
- section_addrs.other[sec_num].name = strdup (sec);
- make_cleanup (free, section_addrs.other[sec_num].name);
- section_addrs.other[sec_num++].addr = addr;
- printf_filtered ("\t%s_addr = %s\n",
- sec,
- local_hex_string ((unsigned long)addr));
- }
-
- /* The object's sections are initialized when a
- call is made to build_objfile_section_table (objfile).
- This happens in reread_symbols.
- At this point, we don't know what file type this is,
- so we can't determine what section names are valid. */
- }
- break;
- default:
- complain (&unknown_option_complaint, opt[i].name);
- }
- }
- /* Eventually, these hard coded names will be obsolete */
- /* All the addresses will be on the others section */
- }
- else
+ printf_filtered ("add symbol table from file \"%s\" at\n", filename);
+ for (i = 0; i < section_index; i++)
{
- CORE_ADDR text_addr;
- target_link (name, &text_addr);
- if (text_addr == (CORE_ADDR) -1)
- error("Don't know how to get text start location for this file");
- section_addrs.text_addr = text_addr;
- section_addrs.data_addr = 0;
- section_addrs.bss_addr = 0;
- printf_filtered("add symbol table from file \"%s\" at text_addr = %s?\n",
- name, local_hex_string ((unsigned long)text_addr));
+ CORE_ADDR addr;
+ char *val = sect_opts[i].value;
+ char *sec = sect_opts[i].name;
+
+ val = sect_opts[i].value;
+ if (val[0] == '0' && val[1] == 'x')
+ addr = strtoul (val+2, NULL, 16);
+ else
+ addr = strtoul (val, NULL, 10);
+
+ /* Here we store the section offsets in the order they were
+ entered on the command line. */
+ section_addrs.other[sec_num].name = sec;
+ section_addrs.other[sec_num].addr = addr;
+ printf_filtered ("\t%s_addr = %s\n",
+ sec,
+ local_hex_string ((unsigned long)addr));
+ sec_num++;
+
+ /* The object's sections are initialized when a
+ call is made to build_objfile_section_table (objfile).
+ This happens in reread_symbols.
+ At this point, we don't know what file type this is,
+ so we can't determine what section names are valid. */
}
+
if (from_tty && (!query ("%s", "")))
error ("Not confirmed.");
- symbol_file_add (name, from_tty, §ion_addrs, 0, flags);
+ symbol_file_add (filename, from_tty, §ion_addrs, 0, flags);
/* Getting new symbols may change our opinion about what is
frameless. */
reinit_frame_cache ();
+ do_cleanups (my_cleanups);
}
\f
static void
-add_shared_symbol_files_command (args, from_tty)
- char *args;
- int from_tty;
+add_shared_symbol_files_command (char *args, int from_tty)
{
#ifdef ADD_SHARED_SYMBOL_FILES
ADD_SHARED_SYMBOL_FILES (args, from_tty);
\f
/* Re-read symbols if a symbol-file has changed. */
void
-reread_symbols ()
+reread_symbols (void)
{
struct objfile *objfile;
long new_modtime;
/* If we get an error, blow away this objfile (not sure if
that is the correct response for things like shared
libraries). */
- old_cleanups = make_cleanup ((make_cleanup_func) free_objfile,
- objfile);
+ old_cleanups = make_cleanup_free_objfile (objfile);
/* We need to do this whenever any symbols go away. */
- make_cleanup ((make_cleanup_func) clear_symtab_users, 0);
+ make_cleanup (clear_symtab_users_cleanup, 0 /*ignore*/);
/* Clean up any state BFD has sitting around. We don't need
to close the descriptor but BFD lacks a way of closing the
/* FIXME: Do we have to free a whole linked list, or is this
enough? */
if (objfile->global_psymbols.list)
- mfree (objfile->md, objfile->global_psymbols.list);
+ xmfree (objfile->md, objfile->global_psymbols.list);
memset (&objfile->global_psymbols, 0,
sizeof (objfile->global_psymbols));
if (objfile->static_psymbols.list)
- mfree (objfile->md, objfile->static_psymbols.list);
+ xmfree (objfile->md, objfile->static_psymbols.list);
memset (&objfile->static_psymbols, 0,
sizeof (objfile->static_psymbols));
/* Free the obstacks for non-reusable objfiles */
- obstack_free (&objfile->psymbol_cache.cache, 0);
- memset (&objfile->psymbol_cache, 0,
- sizeof (objfile->psymbol_cache));
+ free_bcache (&objfile->psymbol_cache);
obstack_free (&objfile->psymbol_obstack, 0);
obstack_free (&objfile->symbol_obstack, 0);
obstack_free (&objfile->type_obstack, 0);
objfile->free_psymtabs = NULL;
objfile->msymbols = NULL;
objfile->minimal_symbol_count = 0;
+ memset (&objfile->msymbol_hash, 0,
+ sizeof (objfile->msymbol_hash));
+ memset (&objfile->msymbol_demangled_hash, 0,
+ sizeof (objfile->msymbol_demangled_hash));
objfile->fundamental_types = NULL;
if (objfile->sf != NULL)
{
/* obstack_specify_allocation also initializes the obstack so
it is empty. */
obstack_specify_allocation (&objfile->psymbol_cache.cache, 0, 0,
- xmalloc, free);
+ xmalloc, xfree);
obstack_specify_allocation (&objfile->psymbol_obstack, 0, 0,
- xmalloc, free);
+ xmalloc, xfree);
obstack_specify_allocation (&objfile->symbol_obstack, 0, 0,
- xmalloc, free);
+ xmalloc, xfree);
obstack_specify_allocation (&objfile->type_obstack, 0, 0,
- xmalloc, free);
+ xmalloc, xfree);
if (build_objfile_section_table (objfile))
{
error ("Can't find the file sections in `%s': %s",
reread_one = 1;
/* Call this after reading in a new symbol table to give target
- dependant code a crack at the new symbols. For instance, this
+ dependent code a crack at the new symbols. For instance, this
could be used to update the values of target-specific symbols GDB
needs to keep track of (such as _sigtramp, or whatever). */
static int fl_table_size, fl_table_next;
static void
-add_filename_language (ext, lang)
- char *ext;
- enum language lang;
+add_filename_language (char *ext, enum language lang)
{
if (fl_table_next >= fl_table_size)
{
fl_table_size += 10;
- filename_language_table = realloc (filename_language_table,
- fl_table_size);
+ filename_language_table = xrealloc (filename_language_table,
+ fl_table_size);
}
- filename_language_table[fl_table_next].ext = strsave (ext);
+ filename_language_table[fl_table_next].ext = xstrdup (ext);
filename_language_table[fl_table_next].lang = lang;
fl_table_next++;
}
static char *ext_args;
static void
-set_ext_lang_command (args, from_tty)
- char *args;
- int from_tty;
+set_ext_lang_command (char *args, int from_tty)
{
int i;
char *cp = ext_args;
/* query ("Really make files of type %s '%s'?", */
/* ext_args, language_str (lang)); */
- free (filename_language_table[i].ext);
- filename_language_table[i].ext = strsave (ext_args);
+ xfree (filename_language_table[i].ext);
+ filename_language_table[i].ext = xstrdup (ext_args);
filename_language_table[i].lang = lang;
}
}
static void
-info_ext_lang_command (args, from_tty)
- char *args;
- int from_tty;
+info_ext_lang_command (char *args, int from_tty)
{
int i;
}
static void
-init_filename_language_table ()
+init_filename_language_table (void)
{
if (fl_table_size == 0) /* protect against repetition */
{
add_filename_language (".F", language_fortran);
add_filename_language (".s", language_asm);
add_filename_language (".S", language_asm);
+ add_filename_language (".pas", language_pascal);
+ add_filename_language (".p", language_pascal);
+ add_filename_language (".pp", language_pascal);
}
}
enum language
-deduce_language_from_filename (filename)
- char *filename;
+deduce_language_from_filename (char *filename)
{
int i;
char *cp;
*/
struct symtab *
-allocate_symtab (filename, objfile)
- char *filename;
- struct objfile *objfile;
+allocate_symtab (char *filename, struct objfile *objfile)
{
register struct symtab *symtab;
}
struct partial_symtab *
-allocate_psymtab (filename, objfile)
- char *filename;
- struct objfile *objfile;
+allocate_psymtab (char *filename, struct objfile *objfile)
{
struct partial_symtab *psymtab;
}
void
-discard_psymtab (pst)
- struct partial_symtab *pst;
+discard_psymtab (struct partial_symtab *pst)
{
struct partial_symtab **prev_pst;
table data. */
void
-clear_symtab_users ()
+clear_symtab_users (void)
{
/* Someday, we should do better than this, by only blowing away
the things that really need to be blown. */
current_source_symtab = 0;
current_source_line = 0;
clear_pc_function_cache ();
- target_new_objfile (NULL);
+ if (target_new_objfile_hook)
+ target_new_objfile_hook (NULL);
+}
+
+static void
+clear_symtab_users_cleanup (void *ignore)
+{
+ clear_symtab_users ();
}
/* clear_symtab_users_once:
#if 0
/* FIXME: As free_named_symtabs is currently a big noop this function
is no longer needed. */
-static void
-clear_symtab_users_once PARAMS ((void));
+static void clear_symtab_users_once (void);
static int clear_symtab_users_queued;
static int clear_symtab_users_done;
static void
-clear_symtab_users_once ()
+clear_symtab_users_once (void)
{
/* Enforce once-per-`do_cleanups'-semantics */
if (clear_symtab_users_queued <= clear_symtab_users_done)
/* Delete the specified psymtab, and any others that reference it. */
static void
-cashier_psymtab (pst)
- struct partial_symtab *pst;
+cashier_psymtab (struct partial_symtab *pst)
{
struct partial_symtab *ps, *pprev = NULL;
int i;
it is not called for subsidiary files such as .h files.
Return value is 1 if we blew away the environment, 0 if not.
- FIXME. The return valu appears to never be used.
+ FIXME. The return value appears to never be used.
FIXME. I think this is not the best way to do this. We should
work on being gentler to the environment while still cleaning up
all stray pointers into the freed symtab. */
int
-free_named_symtabs (name)
- char *name;
+free_named_symtabs (char *name)
{
#if 0
/* FIXME: With the new method of each objfile having it's own
FILENAME is the name of the symbol-file we are reading from. */
struct partial_symtab *
-start_psymtab_common (objfile, section_offsets,
- filename, textlow, global_syms, static_syms)
- struct objfile *objfile;
- struct section_offsets *section_offsets;
- char *filename;
- CORE_ADDR textlow;
- struct partial_symbol **global_syms;
- struct partial_symbol **static_syms;
+start_psymtab_common (struct objfile *objfile,
+ struct section_offsets *section_offsets, char *filename,
+ CORE_ADDR textlow, struct partial_symbol **global_syms,
+ struct partial_symbol **static_syms)
{
struct partial_symtab *psymtab;
Since one arg is a struct, we pass in a ptr and deref it (sigh). */
void
-add_psymbol_to_list (name, namelength, namespace, class, list, val, coreaddr,
- language, objfile)
- char *name;
- int namelength;
- namespace_enum namespace;
- enum address_class class;
- struct psymbol_allocation_list *list;
- long val; /* Value as a long */
- CORE_ADDR coreaddr; /* Value as a CORE_ADDR */
- enum language language;
- struct objfile *objfile;
+add_psymbol_to_list (char *name, int namelength, namespace_enum namespace,
+ enum address_class class,
+ struct psymbol_allocation_list *list, long val, /* Value as a long */
+ CORE_ADDR coreaddr, /* Value as a CORE_ADDR */
+ enum language language, struct objfile *objfile)
{
register struct partial_symbol *psym;
char *buf = alloca (namelength + 1);
* name. */
void
-add_psymbol_with_dem_name_to_list (name, namelength, dem_name, dem_namelength,
- namespace, class, list, val, coreaddr, language, objfile)
- char *name;
- int namelength;
- char *dem_name;
- int dem_namelength;
- namespace_enum namespace;
- enum address_class class;
- struct psymbol_allocation_list *list;
- long val; /* Value as a long */
- CORE_ADDR coreaddr; /* Value as a CORE_ADDR */
- enum language language;
- struct objfile *objfile;
+add_psymbol_with_dem_name_to_list (char *name, int namelength, char *dem_name,
+ int dem_namelength, namespace_enum namespace,
+ enum address_class class,
+ struct psymbol_allocation_list *list, long val, /* Value as a long */
+ CORE_ADDR coreaddr, /* Value as a CORE_ADDR */
+ enum language language,
+ struct objfile *objfile)
{
register struct partial_symbol *psym;
char *buf = alloca (namelength + 1);
/* Initialize storage for partial symbols. */
void
-init_psymbol_list (objfile, total_symbols)
- struct objfile *objfile;
- int total_symbols;
+init_psymbol_list (struct objfile *objfile, int total_symbols)
{
/* Free any previously allocated psymbol lists. */
if (objfile->global_psymbols.list)
{
- mfree (objfile->md, (PTR) objfile->global_psymbols.list);
+ xmfree (objfile->md, (PTR) objfile->global_psymbols.list);
}
if (objfile->static_psymbols.list)
{
- mfree (objfile->md, (PTR) objfile->static_psymbols.list);
+ xmfree (objfile->md, (PTR) objfile->static_psymbols.list);
}
/* Current best guess is that approximately a twentieth
section_is_overlay(sect): true if section's VMA != LMA
pc_in_mapped_range(pc,sec): true if pc belongs to section's VMA
pc_in_unmapped_range(...): true if pc belongs to section's LMA
+ sections_overlap(sec1, sec2): true if mapped sec1 and sec2 ranges overlap
overlay_mapped_address(...): map an address from section's LMA to VMA
overlay_unmapped_address(...): map an address from section's VMA to LMA
symbol_overlayed_address(...): Return a "current" address for symbol:
/* Overlay debugging state: */
-int overlay_debugging = 0; /* 0 == off, 1 == manual, -1 == auto */
+enum overlay_debugging_state overlay_debugging = ovly_off;
int overlay_cache_invalid = 0; /* True if need to refresh mapped state */
/* Target vector for refreshing overlay mapped state */
-static void simple_overlay_update PARAMS ((struct obj_section *));
-void (*target_overlay_update) PARAMS ((struct obj_section *))
-= simple_overlay_update;
+static void simple_overlay_update (struct obj_section *);
+void (*target_overlay_update) (struct obj_section *) = simple_overlay_update;
/* Function: section_is_overlay (SECTION)
Returns true if SECTION has VMA not equal to LMA, ie.
SECTION is loaded at an address different from where it will "run". */
int
-section_is_overlay (section)
- asection *section;
+section_is_overlay (asection *section)
{
+ /* FIXME: need bfd *, so we can use bfd_section_lma methods. */
+
if (overlay_debugging)
if (section && section->lma != 0 &&
section->vma != section->lma)
Invalidate the mapped state of all overlay sections (mark it as stale). */
static void
-overlay_invalidate_all ()
+overlay_invalidate_all (void)
{
struct objfile *objfile;
struct obj_section *sect;
section is stale, then call TARGET_OVERLAY_UPDATE to refresh it. */
static int
-overlay_is_mapped (osect)
- struct obj_section *osect;
+overlay_is_mapped (struct obj_section *osect)
{
if (osect == 0 || !section_is_overlay (osect->the_bfd_section))
return 0;
switch (overlay_debugging)
{
default:
- case 0:
+ case ovly_off:
return 0; /* overlay debugging off */
- case -1: /* overlay debugging automatic */
+ case ovly_auto: /* overlay debugging automatic */
/* Unles there is a target_overlay_update function,
there's really nothing useful to do here (can't really go auto) */
if (target_overlay_update)
(*target_overlay_update) (osect);
}
/* fall thru to manual case */
- case 1: /* overlay debugging manual */
+ case ovly_on: /* overlay debugging manual */
return osect->ovly_mapped == 1;
}
}
Returns true if section is an overlay, and is currently mapped. */
int
-section_is_mapped (section)
- asection *section;
+section_is_mapped (asection *section)
{
struct objfile *objfile;
struct obj_section *osect;
If PC falls into the lma range of SECTION, return true, else false. */
CORE_ADDR
-pc_in_unmapped_range (pc, section)
- CORE_ADDR pc;
- asection *section;
+pc_in_unmapped_range (CORE_ADDR pc, asection *section)
{
+ /* FIXME: need bfd *, so we can use bfd_section_lma methods. */
+
int size;
if (overlay_debugging)
If PC falls into the vma range of SECTION, return true, else false. */
CORE_ADDR
-pc_in_mapped_range (pc, section)
- CORE_ADDR pc;
- asection *section;
+pc_in_mapped_range (CORE_ADDR pc, asection *section)
{
+ /* FIXME: need bfd *, so we can use bfd_section_vma methods. */
+
int size;
if (overlay_debugging)
return 0;
}
+
+/* Return true if the mapped ranges of sections A and B overlap, false
+ otherwise. */
+int
+sections_overlap (asection *a, asection *b)
+{
+ /* FIXME: need bfd *, so we can use bfd_section_vma methods. */
+
+ CORE_ADDR a_start = a->vma;
+ CORE_ADDR a_end = a->vma + bfd_get_section_size_before_reloc (a);
+ CORE_ADDR b_start = b->vma;
+ CORE_ADDR b_end = b->vma + bfd_get_section_size_before_reloc (b);
+
+ return (a_start < b_end && b_start < a_end);
+}
+
/* Function: overlay_unmapped_address (PC, SECTION)
Returns the address corresponding to PC in the unmapped (load) range.
May be the same as PC. */
CORE_ADDR
-overlay_unmapped_address (pc, section)
- CORE_ADDR pc;
- asection *section;
+overlay_unmapped_address (CORE_ADDR pc, asection *section)
{
+ /* FIXME: need bfd *, so we can use bfd_section_lma methods. */
+
if (overlay_debugging)
if (section && section_is_overlay (section) &&
pc_in_mapped_range (pc, section))
May be the same as PC. */
CORE_ADDR
-overlay_mapped_address (pc, section)
- CORE_ADDR pc;
- asection *section;
+overlay_mapped_address (CORE_ADDR pc, asection *section)
{
+ /* FIXME: need bfd *, so we can use bfd_section_vma methods. */
+
if (overlay_debugging)
if (section && section_is_overlay (section) &&
pc_in_unmapped_range (pc, section))
depending on whether the section is mapped or not. */
CORE_ADDR
-symbol_overlayed_address (address, section)
- CORE_ADDR address;
- asection *section;
+symbol_overlayed_address (CORE_ADDR address, asection *section)
{
if (overlay_debugging)
{
Else if PC matches an unmapped section's LMA, return that section. */
asection *
-find_pc_overlay (pc)
- CORE_ADDR pc;
+find_pc_overlay (CORE_ADDR pc)
{
struct objfile *objfile;
struct obj_section *osect, *best_match = NULL;
currently marked as MAPPED, return that section. Else return NULL. */
asection *
-find_pc_mapped_section (pc)
- CORE_ADDR pc;
+find_pc_mapped_section (CORE_ADDR pc)
{
struct objfile *objfile;
struct obj_section *osect;
Print a list of mapped sections and their PC ranges */
void
-list_overlays_command (args, from_tty)
- char *args;
- int from_tty;
+list_overlays_command (char *args, int from_tty)
{
int nmapped = 0;
struct objfile *objfile;
Mark the named section as mapped (ie. residing at its VMA address). */
void
-map_overlay_command (args, from_tty)
- char *args;
- int from_tty;
+map_overlay_command (char *args, int from_tty)
{
struct objfile *objfile, *objfile2;
struct obj_section *sec, *sec2;
asection *bfdsec;
if (!overlay_debugging)
- error ("Overlay debugging not enabled. Use the 'OVERLAY ON' command.");
+ error ("\
+Overlay debugging not enabled. Use either the 'overlay auto' or\n\
+the 'overlay manual' command.");
if (args == 0 || *args == 0)
error ("Argument required: name of an overlay section");
/* Next, make a pass and unmap any sections that are
overlapped by this new section: */
ALL_OBJSECTIONS (objfile2, sec2)
- if (sec2->ovly_mapped &&
- sec != sec2 &&
- sec->the_bfd_section != sec2->the_bfd_section &&
- (pc_in_mapped_range (sec2->addr, sec->the_bfd_section) ||
- pc_in_mapped_range (sec2->endaddr, sec->the_bfd_section)))
+ if (sec2->ovly_mapped
+ && sec != sec2
+ && sec->the_bfd_section != sec2->the_bfd_section
+ && sections_overlap (sec->the_bfd_section,
+ sec2->the_bfd_section))
{
if (info_verbose)
printf_filtered ("Note: section %s unmapped by overlap\n",
(ie. resident in its LMA address range, rather than the VMA range). */
void
-unmap_overlay_command (args, from_tty)
- char *args;
- int from_tty;
+unmap_overlay_command (char *args, int from_tty)
{
struct objfile *objfile;
struct obj_section *sec;
if (!overlay_debugging)
- error ("Overlay debugging not enabled. Use the 'OVERLAY ON' command.");
+ error ("\
+Overlay debugging not enabled. Use either the 'overlay auto' or\n\
+the 'overlay manual' command.");
if (args == 0 || *args == 0)
error ("Argument required: name of an overlay section");
Possibly this should be done via a set/show command. */
static void
-overlay_auto_command (args, from_tty)
- char *args;
- int from_tty;
+overlay_auto_command (char *args, int from_tty)
{
- overlay_debugging = -1;
+ overlay_debugging = ovly_auto;
+ enable_overlay_breakpoints ();
if (info_verbose)
printf_filtered ("Automatic overlay debugging enabled.");
}
Possibly this should be done via a set/show command. */
static void
-overlay_manual_command (args, from_tty)
- char *args;
- int from_tty;
+overlay_manual_command (char *args, int from_tty)
{
- overlay_debugging = 1;
+ overlay_debugging = ovly_on;
+ disable_overlay_breakpoints ();
if (info_verbose)
printf_filtered ("Overlay debugging enabled.");
}
Possibly this should be done via a set/show command. */
static void
-overlay_off_command (args, from_tty)
- char *args;
- int from_tty;
+overlay_off_command (char *args, int from_tty)
{
- overlay_debugging = 0;
+ overlay_debugging = ovly_off;
+ disable_overlay_breakpoints ();
if (info_verbose)
printf_filtered ("Overlay debugging disabled.");
}
static void
-overlay_load_command (args, from_tty)
- char *args;
- int from_tty;
+overlay_load_command (char *args, int from_tty)
{
if (target_overlay_update)
(*target_overlay_update) (NULL);
struct cmd_list_element *overlaylist;
static void
-overlay_command (args, from_tty)
- char *args;
- int from_tty;
+overlay_command (char *args, int from_tty)
{
printf_unfiltered
("\"overlay\" must be followed by the name of an overlay command.\n");
/* Throw away the cached copy of _ovly_table */
static void
-simple_free_overlay_table ()
+simple_free_overlay_table (void)
{
if (cache_ovly_table)
- free (cache_ovly_table);
+ xfree (cache_ovly_table);
cache_novlys = 0;
cache_ovly_table = NULL;
cache_ovly_table_base = 0;
#if 0
/* Throw away the cached copy of _ovly_region_table */
static void
-simple_free_overlay_region_table ()
+simple_free_overlay_region_table (void)
{
if (cache_ovly_region_table)
- free (cache_ovly_region_table);
+ xfree (cache_ovly_region_table);
cache_novly_regions = 0;
cache_ovly_region_table = NULL;
cache_ovly_region_table_base = 0;
/* Read an array of ints from the target into a local buffer.
Convert to host order. int LEN is number of ints */
static void
-read_target_long_array (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- unsigned int *myaddr;
- int len;
+read_target_long_array (CORE_ADDR memaddr, unsigned int *myaddr, int len)
{
+ /* FIXME (alloca): Not safe if array is very large. */
char *buf = alloca (len * TARGET_LONG_BYTES);
int i;
/* Find and grab a copy of the target _ovly_table
(and _novlys, which is needed for the table's size) */
static int
-simple_read_overlay_table ()
+simple_read_overlay_table (void)
{
- struct minimal_symbol *msym;
+ struct minimal_symbol *novlys_msym, *ovly_table_msym;
simple_free_overlay_table ();
- msym = lookup_minimal_symbol ("_novlys", 0, 0);
- if (msym != NULL)
- cache_novlys = read_memory_integer (SYMBOL_VALUE_ADDRESS (msym), 4);
- else
- return 0; /* failure */
- cache_ovly_table = (void *) xmalloc (cache_novlys * sizeof (*cache_ovly_table));
- if (cache_ovly_table != NULL)
+ novlys_msym = lookup_minimal_symbol ("_novlys", NULL, NULL);
+ if (! novlys_msym)
{
- msym = lookup_minimal_symbol ("_ovly_table", 0, 0);
- if (msym != NULL)
- {
- cache_ovly_table_base = SYMBOL_VALUE_ADDRESS (msym);
- read_target_long_array (cache_ovly_table_base,
- (int *) cache_ovly_table,
- cache_novlys * 4);
- }
- else
- return 0; /* failure */
+ error ("Error reading inferior's overlay table: "
+ "couldn't find `_novlys' variable\n"
+ "in inferior. Use `overlay manual' mode.");
+ return 0;
}
- else
- return 0; /* failure */
+
+ ovly_table_msym = lookup_minimal_symbol ("_ovly_table", NULL, NULL);
+ if (! ovly_table_msym)
+ {
+ error ("Error reading inferior's overlay table: couldn't find "
+ "`_ovly_table' array\n"
+ "in inferior. Use `overlay manual' mode.");
+ return 0;
+ }
+
+ cache_novlys = read_memory_integer (SYMBOL_VALUE_ADDRESS (novlys_msym), 4);
+ cache_ovly_table
+ = (void *) xmalloc (cache_novlys * sizeof (*cache_ovly_table));
+ cache_ovly_table_base = SYMBOL_VALUE_ADDRESS (ovly_table_msym);
+ read_target_long_array (cache_ovly_table_base,
+ (int *) cache_ovly_table,
+ cache_novlys * 4);
+
return 1; /* SUCCESS */
}
/* Find and grab a copy of the target _ovly_region_table
(and _novly_regions, which is needed for the table's size) */
static int
-simple_read_overlay_region_table ()
+simple_read_overlay_region_table (void)
{
struct minimal_symbol *msym;
simple_free_overlay_region_table ();
- msym = lookup_minimal_symbol ("_novly_regions", 0, 0);
+ msym = lookup_minimal_symbol ("_novly_regions", NULL, NULL);
if (msym != NULL)
cache_novly_regions = read_memory_integer (SYMBOL_VALUE_ADDRESS (msym), 4);
else
cache_ovly_region_table = (void *) xmalloc (cache_novly_regions * 12);
if (cache_ovly_region_table != NULL)
{
- msym = lookup_minimal_symbol ("_ovly_region_table", 0, 0);
+ msym = lookup_minimal_symbol ("_ovly_region_table", NULL, NULL);
if (msym != NULL)
{
cache_ovly_region_table_base = SYMBOL_VALUE_ADDRESS (msym);
success, 0 for failure. */
static int
-simple_overlay_update_1 (osect)
- struct obj_section *osect;
+simple_overlay_update_1 (struct obj_section *osect)
{
int i, size;
+ bfd *obfd = osect->objfile->obfd;
+ asection *bsect = osect->the_bfd_section;
size = bfd_get_section_size_before_reloc (osect->the_bfd_section);
for (i = 0; i < cache_novlys; i++)
- if (cache_ovly_table[i][VMA] == osect->the_bfd_section->vma &&
- cache_ovly_table[i][LMA] == osect->the_bfd_section->lma /* &&
- cache_ovly_table[i][SIZE] == size */ )
+ if (cache_ovly_table[i][VMA] == bfd_section_vma (obfd, bsect)
+ && cache_ovly_table[i][LMA] == bfd_section_lma (obfd, bsect)
+ /* && cache_ovly_table[i][SIZE] == size */ )
{
read_target_long_array (cache_ovly_table_base + i * TARGET_LONG_BYTES,
(int *) cache_ovly_table[i], 4);
- if (cache_ovly_table[i][VMA] == osect->the_bfd_section->vma &&
- cache_ovly_table[i][LMA] == osect->the_bfd_section->lma /* &&
- cache_ovly_table[i][SIZE] == size */ )
+ if (cache_ovly_table[i][VMA] == bfd_section_vma (obfd, bsect)
+ && cache_ovly_table[i][LMA] == bfd_section_lma (obfd, bsect)
+ /* && cache_ovly_table[i][SIZE] == size */ )
{
osect->ovly_mapped = cache_ovly_table[i][MAPPED];
return 1;
}
- else /* Warning! Warning! Target's ovly table has changed! */
+ else /* Warning! Warning! Target's ovly table has changed! */
return 0;
}
return 0;
re-read the entire cache, and go ahead and update all sections. */
static void
-simple_overlay_update (osect)
- struct obj_section *osect;
+simple_overlay_update (struct obj_section *osect)
{
struct objfile *objfile;
if (cache_ovly_table != NULL)
/* Does its cached location match what's currently in the symtab? */
if (cache_ovly_table_base ==
- SYMBOL_VALUE_ADDRESS (lookup_minimal_symbol ("_ovly_table", 0, 0)))
+ SYMBOL_VALUE_ADDRESS (lookup_minimal_symbol ("_ovly_table", NULL, NULL)))
/* Then go ahead and try to look up this single section in the cache */
if (simple_overlay_update_1 (osect))
/* Found it! We're done. */
Or else we want all the sections, in which case it's actually
more efficient to read the whole table in one block anyway. */
- if (simple_read_overlay_table () == 0) /* read failed? No table? */
- {
- warning ("Failed to read the target overlay mapping table.");
- return;
- }
+ if (! simple_read_overlay_table ())
+ return;
+
/* Now may as well update all sections, even if only one was requested. */
ALL_OBJSECTIONS (objfile, osect)
if (section_is_overlay (osect->the_bfd_section))
{
int i, size;
+ bfd *obfd = osect->objfile->obfd;
+ asection *bsect = osect->the_bfd_section;
size = bfd_get_section_size_before_reloc (osect->the_bfd_section);
for (i = 0; i < cache_novlys; i++)
- if (cache_ovly_table[i][VMA] == osect->the_bfd_section->vma &&
- cache_ovly_table[i][LMA] == osect->the_bfd_section->lma /* &&
- cache_ovly_table[i][SIZE] == size */ )
- { /* obj_section matches i'th entry in ovly_table */
+ if (cache_ovly_table[i][VMA] == bfd_section_vma (obfd, bsect)
+ && cache_ovly_table[i][LMA] == bfd_section_lma (obfd, bsect)
+ /* && cache_ovly_table[i][SIZE] == size */ )
+ { /* obj_section matches i'th entry in ovly_table */
osect->ovly_mapped = cache_ovly_table[i][MAPPED];
break; /* finished with inner for loop: break out */
}
void
-_initialize_symfile ()
+_initialize_symfile (void)
{
struct cmd_list_element *c;
"Load symbol table from executable file FILE.\n\
The `file' command can also load symbol tables, as well as setting the file\n\
to execute.", &cmdlist);
- c->completer = filename_completer;
+ set_cmd_completer (c, filename_completer);
c = add_cmd ("add-symbol-file", class_files, add_symbol_file_command,
- "Usage: add-symbol-file FILE ADDR [DATA_ADDR [BSS_ADDR]]\n\
-or: add-symbol-file FILE -T<SECT> <SECT_ADDR> -T<SECT> <SECT_ADDR> ...\n\
+ "Usage: add-symbol-file FILE ADDR [-s <SECT> <SECT_ADDR> -s <SECT> <SECT_ADDR> ...]\n\
Load the symbols from FILE, assuming FILE has been dynamically loaded.\n\
ADDR is the starting address of the file's text.\n\
-The optional arguments, DATA_ADDR and BSS_ADDR, should be specified\n\
-if the data and bss segments are not contiguous with the text.\n\
-For complicated cases, SECT is a section name to be loaded at SECT_ADDR.",
+The optional arguments are section-name section-address pairs and\n\
+should be specified if the data and bss segments are not contiguous\n\
+with the text. SECT is a section name to be loaded at SECT_ADDR.",
&cmdlist);
- c->completer = filename_completer;
+ set_cmd_completer (c, filename_completer);
c = add_cmd ("add-shared-symbol-files", class_files,
add_shared_symbol_files_command,
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);
- c->completer = filename_completer;
+ set_cmd_completer (c, filename_completer);
add_show_from_set
(add_set_cmd ("symbol-reloading", class_support, var_boolean,
"Set mapping between filename extension and source language.\n\
Usage: set extension-language .foo bar",
&setlist);
- c->function.cfunc = set_ext_lang_command;
+ set_cmd_cfunc (c, set_ext_lang_command);
add_info ("extensions", info_ext_lang_command,
"All filename extensions associated with a source language.");
projects / deliverable / binutils-gdb.git / blobdiff