right operations ourself, rather than calling symbol_file_command.
If we re-read something, call clear_symtab_users not just
breakpoint_re_set.
* objfiles.h, objfiles.c (build_objfile_section_table): No longer
static.
* symfile.c (clear_symtab_users): Call clear_pc_function_cache.
* coffread.c, dbxread.c, elfread.c, mipsread.c, nlmread.c, paread.c
(*_symfile_offsets): Set objfile->num_sections.
* remote.c (remote_wait), symfile.c (syms_from_objfile):
Don't muck with objfile->num_sections now that all the symbol
readers set it.
* elfread.c: Clean up obsolete comment about handling only DWARF.
* paread.c: Remove comment about how we should use an "ordinary"
file format with an hppa suffix. There is nothing ordinary about SOM.
+Sat Oct 30 08:32:53 1993 Jim Kingdon (kingdon@lioth.cygnus.com)
+
+ * symfile.c (reread_symbols): When re-reading symbols, do all the
+ right operations ourself, rather than calling symbol_file_command.
+ If we re-read something, call clear_symtab_users not just
+ breakpoint_re_set.
+ * objfiles.h, objfiles.c (build_objfile_section_table): No longer
+ static.
+ * symfile.c (clear_symtab_users): Call clear_pc_function_cache.
+ * coffread.c, dbxread.c, elfread.c, mipsread.c, nlmread.c, paread.c
+ (*_symfile_offsets): Set objfile->num_sections.
+ * remote.c (remote_wait), symfile.c (syms_from_objfile):
+ Don't muck with objfile->num_sections now that all the symbol
+ readers set it.
+ * elfread.c: Clean up obsolete comment about handling only DWARF.
+ * paread.c: Remove comment about how we should use an "ordinary"
+ file format with an hppa suffix. There is nothing ordinary about SOM.
+
+ * config/i386/{i386m3.mh,i386mk.mh}, config/mips/mipsm3.mh,
+ config/ns32k/ns32km3.mh: Change MMALLOC_LIB to MMALLOC.
+ * TODO: Update Mach stuff.
+
Fri Oct 29 16:30:36 1993 Stan Shebs (shebs@rtl.cygnus.com)
LynxOS support:
#include "objfiles.h"
#include "buildsym.h"
#include "gdb-stabs.h"
+#include "stabsread.h"
#include "complaints.h"
#include <obstack.h>
{
struct section_offsets *section_offsets;
int i;
-
+
+ objfile->num_sections = SECT_OFF_MAX;
section_offsets = (struct section_offsets *)
obstack_alloc (&objfile -> psymbol_obstack,
- sizeof (struct section_offsets) +
- sizeof (section_offsets->offsets) * (SECT_OFF_MAX-1));
+ sizeof (struct section_offsets)
+ + sizeof (section_offsets->offsets) * (SECT_OFF_MAX-1));
for (i = 0; i < SECT_OFF_MAX; i++)
ANOFFSET (section_offsets, i) = addr;
static void
init_header_files PARAMS ((void));
-static struct pending *
-copy_pending PARAMS ((struct pending *, int, struct pending *));
-
static void
read_ofile_symtab PARAMS ((struct partial_symtab *));
/* If this is nonzero, we've seen a non-gcc N_OPT symbol for this source
file. Used to detect the SunPRO solaris compiler. */
- int n_opt_found;
+ static int n_opt_found;
/* The stab type used for the definition of the last function.
N_STSYM or N_GSYM for SunOS4 acc; N_FUN for other compilers. */
break;
case N_BCOMM:
- if (common_block)
- {
- /* Note: this does not detect nesting if the previous N_BCOMM
- was at the beginning of a scope (and thus common_block was
- NULL). Not necessarily worth worrying about unless we run
- into a compiler which actually has this bug. */
- static struct complaint msg = {
- "Invalid symbol data: common within common at symtab pos %d",
- 0, 0};
- complain (&msg, symnum);
- }
- common_block = local_symbols;
- common_block_i = local_symbols ? local_symbols->nsyms : 0;
+ common_block_start (name, objfile);
break;
case N_ECOMM:
-
- /* Symbols declared since the BCOMM are to have the common block
- start address added in when we know it. common_block and
- common_block_i point to the first symbol after the BCOMM in
- the local_symbols list; copy the list and hang it off the
- symbol for the common block name for later fixup. */
-
- /* If there is a N_ECOMM unmatched by a N_BCOMM, we treat all
- the local_symbols as part of the common block. It might be
- better to just ignore the N_ECOMM, but then we'd need to
- distinguish between a N_BCOMM at the start of a scope, or no
- N_BCOMM at all (currently they both have common_block NULL).
- Not necessarily worth worrying about unless we run into a
- compiler which actually has this bug. */
-
- {
- int i;
- struct symbol *sym =
- (struct symbol *) xmmalloc (objfile -> md, sizeof (struct symbol));
- memset (sym, 0, sizeof *sym);
- SYMBOL_NAME (sym) = savestring (name, strlen (name));
- SYMBOL_CLASS (sym) = LOC_BLOCK;
- SYMBOL_NAMESPACE (sym) = (enum namespace)((long)
- copy_pending (local_symbols, common_block_i, common_block));
- i = hashname (SYMBOL_NAME (sym));
- SYMBOL_VALUE_CHAIN (sym) = global_sym_chain[i];
- global_sym_chain[i] = sym;
- common_block = 0;
- break;
- }
+ common_block_end (objfile);
+ break;
/* The following symbol types need to have the appropriate offset added
to their value; then we process symbol definitions in the name. */
case N_STSYM: /* Static symbol in data seg */
case N_LCSYM: /* Static symbol in BSS seg */
case N_ROSYM: /* Static symbol in Read-only data seg */
- /* HORRID HACK DEPT. However, it's Sun's furgin' fault. FIXME.
- Solaris2's stabs-in-coff makes *most* symbols relative
- but leaves a few absolute. N_STSYM and friends sit on the fence.
+ /* HORRID HACK DEPT. However, it's Sun's furgin' fault.
+ Solaris2's stabs-in-elf makes *most* symbols relative
+ but leaves a few absolute (at least for Solaris 2.1 and version
+ 2.0.1 of the SunPRO compiler). N_STSYM and friends sit on the fence.
.stab "foo:S...",N_STSYM is absolute (ld relocates it)
.stab "foo:V...",N_STSYM is relative (section base subtracted).
This leaves us no choice but to search for the 'S' or 'V'...
(or pass the whole section_offsets stuff down ONE MORE function
- call level, which we really don't want to do).
-
- The above is indeed true for Solaris 2.1. I'm not sure what
- happens in Solaris 2.3, in which ld stops relocating stabs. */
+ call level, which we really don't want to do). */
{
char *p;
p = strchr (name, ':');
if (p != 0 && p[1] == 'S')
{
- /* FIXME! We relocate it by the TEXT offset, in case the
- whole module moved in memory. But this is wrong, since
- the sections can side around independently. (I suspect that
- the text offset is always zero anyway--elfread.c doesn't
- process (and Sun cc doesn't produce) Ttext.text symbols). */
- valu += ANOFFSET (section_offsets, SECT_OFF_TEXT);
+ /* The linker relocated it. There used to be a kludge here
+ to add the text offset, but that will break if we ever
+ start using the text offset (currently it is always zero). */
goto define_a_symbol;
}
/* Since it's not the kludge case, re-dispatch to the right handler. */
previous_stab_code = type;
}
\f
-/* Copy a pending list, used to record the contents of a common
- block for later fixup. We copy the symbols starting with all
- symbols in BEG, and ending with the symbols which are in
- END at index ENDI. */
-static struct pending *
-copy_pending (beg, endi, end)
- struct pending *beg;
- int endi;
- struct pending *end;
-{
- struct pending *new = 0;
- struct pending *next;
- int j;
-
- /* Copy all the struct pendings before end. */
- for (next = beg; next != NULL && next != end; next = next->next)
- {
- for (j = 0; j < next->nsyms; j++)
- add_symbol_to_list (next->symbol[j], &new);
- }
-
- /* Copy however much of END we need. If END is NULL, it means copy
- all the local symbols (which we already did above). */
- if (end != NULL)
- for (j = endi; j < end->nsyms; j++)
- add_symbol_to_list (end->symbol[j], &new);
-
- return new;
-}
-\f
/* FIXME: The only difference between this and elfstab_build_psymtabs is
the call to install_minimal_symbols for elf. If the differences are
really that small, the code should be shared. */
{
struct section_offsets *section_offsets;
int i;
-
+
+ objfile->num_sections = SECT_OFF_MAX;
section_offsets = (struct section_offsets *)
obstack_alloc (&objfile -> psymbol_obstack,
- sizeof (struct section_offsets) +
- sizeof (section_offsets->offsets) * (SECT_OFF_MAX-1));
+ sizeof (struct section_offsets)
+ + sizeof (section_offsets->offsets) * (SECT_OFF_MAX-1));
for (i = 0; i < SECT_OFF_MAX; i++)
ANOFFSET (section_offsets, i) = addr;
{
struct section_offsets *section_offsets;
int i;
-
+
+ objfile->num_sections = SECT_OFF_MAX;
section_offsets = (struct section_offsets *)
obstack_alloc (&objfile -> psymbol_obstack,
- sizeof (struct section_offsets) +
- sizeof (section_offsets->offsets) * (SECT_OFF_MAX-1));
+ sizeof (struct section_offsets)
+ + sizeof (section_offsets->offsets) * (SECT_OFF_MAX-1));
for (i = 0; i < SECT_OFF_MAX; i++)
ANOFFSET (section_offsets, i) = addr;
-
+
return section_offsets;
}
\f
complain (&stab_info_mismatch_complaint, filename);
}
\f
-/* Register that we are able to handle ELF object file formats and DWARF
- debugging formats.
-
- Unlike other object file formats, where the debugging information format
- is implied by the object file format, the ELF object file format and the
- DWARF debugging information format are two distinct, and potentially
- separate entities. I.E. it is perfectly possible to have ELF objects
- with debugging formats other than DWARF. And it is conceivable that the
- DWARF debugging format might be used with another object file format,
- like COFF, by simply using COFF's custom section feature.
-
- GDB, and to a lesser extent BFD, should support the notion of separate
- object file formats and debugging information formats. For now, we just
- use "elf" in the same sense as "a.out" or "coff", to imply both the ELF
- object file format and the DWARF debugging format. */
+/* Register that we are able to handle ELF object file formats. */
static struct sym_fns elf_sym_fns =
{
struct complaint array_index_type_complaint =
{"illegal array index type for %s, assuming int", 0, 0};
-struct complaint array_bitsize_complaint =
-{"size of array target type for %s not known, assuming %d bits", 0, 0};
-
struct complaint bad_tag_guess_complaint =
{"guessed tag type of %s incorrectly", 0, 0};
struct parse_stack *next, *prev;
struct symtab *cur_st; /* Current symtab. */
struct block *cur_block; /* Block in it. */
- int blocktype; /* What are we parsing. */
+
+ /* What are we parsing. stFile, or stBlock are for files and
+ blocks. stProc or stStaticProc means we have seen the start of a
+ procedure, but not the start of the block within in. When we see
+ the start of that block, we change it to stNil, without pushing a
+ new block, i.e. stNil means both a procedure and a block. */
+
+ int blocktype;
+
int maxsyms; /* Max symbols in this block. */
struct type *cur_type; /* Type we parse fields for. */
int cur_field; /* Field number in cur_type. */
/* beginnning of (code) block. Value of symbol
is the displacement from procedure start */
push_parse_stack ();
+
+ /* Do not start a new block if this is the outermost block of a
+ procedure. This allows the LOC_BLOCK symbol to point to the
+ block with the local variables, so funcname::var works. */
+ if (top_stack->blocktype == stProc
+ || top_stack->blocktype == stStaticProc)
+ {
+ top_stack->blocktype = stNil;
+ break;
+ }
+
top_stack->blocktype = stBlock;
b = new_block (top_stack->maxsyms);
BLOCK_START (b) = sh->value + top_stack->procadr;
BLOCK_END (top_stack->cur_block) = sh->value + top_stack->procadr;
shrink_block (top_stack->cur_block, top_stack->cur_st);
}
+ else if (sh->sc == scText && top_stack->blocktype == stNil)
+ {
+ /* End of outermost block. Pop parse stack and ignore. The
+ following stEnd of stProc will take care of the block. */
+ ;
+ }
else if (sh->sc == scText && top_stack->blocktype == stFile)
{
/* End of file. Pop parse stack and ignore. Higher
t = create_array_type ((struct type *) NULL, *tpp, range);
- /* Check whether supplied array element bit size matches
- the known size of the element type. If this complaint
- ends up not happening, we can remove this code. It's
- here because we aren't sure we understand this *&%&$
- symbol format. */
- id = TYPE_LENGTH (TYPE_TARGET_TYPE (t)) << 3; /* bitsize */
- if (id == 0)
- {
- /* Most likely an undefined type */
- id = rf;
- TYPE_LENGTH (TYPE_TARGET_TYPE (t)) = id >> 3;
- }
- if (id != rf)
- complain (&array_bitsize_complaint, sym_name, rf);
+ /* We used to fill in the supplied array element bitsize
+ here if the TYPE_LENGTH of the target type was zero.
+ This happens for a `pointer to an array of anonymous structs',
+ but in this case the array element bitsize is also zero,
+ so nothing is gained.
+ And we used to check the TYPE_LENGTH of the target type against
+ the supplied array element bitsize.
+ gcc causes a mismatch for `pointer to array of object',
+ since the sdb directives it uses do not have a way of
+ specifying the bitsize, but it does no harm (the
+ TYPE_LENGTH should be correct) and we should be able to
+ ignore the erroneous bitsize from the auxiliary entry safely.
+ dbx seems to ignore it too. */
*tpp = t;
return 4 + off;
struct section_offsets *section_offsets;
int i;
+ objfile->num_sections = SECT_OFF_MAX;
section_offsets = ((struct section_offsets *)
obstack_alloc (&objfile->psymbol_obstack,
(sizeof (struct section_offsets)
{
struct section_offsets *section_offsets;
int i;
-
+
+ objfile->num_sections = SECT_OFF_MAX;
section_offsets = (struct section_offsets *)
obstack_alloc (&objfile -> psymbol_obstack,
sizeof (struct section_offsets) +
}
\f
-/* Register that we are able to handle NLM file format. */
+/* Register that we are able to handle NLM file format. */
static struct sym_fns nlm_sym_fns =
{
}
/* Builds a section table for OBJFILE.
- Returns 0 if OK, 1 on error. */
+ Returns 0 if OK, 1 on error (in which case bfd_error contains the
+ error). */
-static int
+int
build_objfile_section_table (objfile)
struct objfile *objfile;
{
(t->to_detach) (NULL, 0);
}
#endif
+ /* I *think* all our callers call clear_symtab_users. If so, no need
+ to call this here. */
clear_pc_function_cache ();
/* The last thing we do is free the objfile struct itself for the
/* Declarations for functions defined in objfiles.c */
-extern struct objfile *
-allocate_objfile PARAMS ((bfd *, int));
+extern struct objfile *allocate_objfile PARAMS ((bfd *, int));
-extern void
-unlink_objfile PARAMS ((struct objfile *));
+int build_objfile_section_table PARAMS ((struct objfile *));
-extern void
-free_objfile PARAMS ((struct objfile *));
+extern void unlink_objfile PARAMS ((struct objfile *));
+
+extern void free_objfile PARAMS ((struct objfile *));
extern void
free_all_objfiles PARAMS ((void));
{
struct section_offsets *section_offsets;
int i;
-
+
+ objfile->num_sections = SECT_OFF_MAX;
section_offsets = (struct section_offsets *)
obstack_alloc (&objfile -> psymbol_obstack,
- sizeof (struct section_offsets) +
- sizeof (section_offsets->offsets) * (SECT_OFF_MAX-1));
+ sizeof (struct section_offsets)
+ + sizeof (section_offsets->offsets) * (SECT_OFF_MAX-1));
for (i = 0; i < SECT_OFF_MAX; i++)
ANOFFSET (section_offsets, i) = addr;
-
+
return section_offsets;
}
\f
-/* Register that we are able to handle PA object file formats. */
+/* Register that we are able to handle SOM object file formats (does this
+ work for hp300, or just PA? I suspect the latter). */
-/* This is probably a mistake. FIXME. Why can't the HP's use an ordinary
- file format name with an -hppa suffix? */
static struct sym_fns pa_sym_fns =
{
"som", /* sym_name: name or name prefix of BFD target type */
starts. */
serial_t remote_desc = NULL;
-#define PBUFSIZ 1024
+/* Having this larger than 400 causes us to be incompatible with m68k-stub.c
+ and i386-stub.c. Normally, no one would notice because it only matters
+ for writing large chunks of memory (e.g. in downloads). Also, this needs
+ to be more than 400 if required to hold the registers (see below, where
+ we round it up based on REGISTER_BYTES). */
+#define PBUFSIZ 400
/* Maximum number of bytes to read/write at once. The value here
is chosen to fill up a packet (the headers account for the 32). */
stuff. (Just what does "text" as seen by the stub
mean, anyway?). */
- /* FIXME: Why don't the various symfile_offsets routines
- in the sym_fns vectors set this?
- (no good reason -kingdon). */
- if (symfile_objfile->num_sections == 0)
- symfile_objfile->num_sections = SECT_OFF_MAX;
-
offs = ((struct section_offsets *)
alloca (sizeof (struct section_offsets)
+ (symfile_objfile->num_sections
int i;
char *p;
- if (len > PBUFSIZ / 2 - 20)
- abort ();
-
sprintf (buf, "M%x,%x:", memaddr, len);
/* We send target system values byte by byte, in increasing byte addresses,
#include "language.h"
#include "complaints.h"
#include "demangle.h"
+#include "inferior.h" /* for write_pc */
#include <obstack.h>
#include <assert.h>
}
}
-void
-sort_all_symtab_syms ()
-{
- register struct symtab *s;
- register struct objfile *objfile;
-
- for (objfile = object_files; objfile != NULL; objfile = objfile -> next)
- {
- for (s = objfile -> symtabs; s != NULL; s = s -> next)
- {
- sort_symtab_syms (s);
- }
- }
-}
-
/* Make a copy of the string at PTR with SIZE characters in the symbol obstack
(and add a null character at the end in the copy).
Returns the address of the copy. */
}
}
+/* Get current entry point address. */
+
+CORE_ADDR
+entry_point_address()
+{
+ return symfile_objfile ? symfile_objfile->ei.entry_point : 0;
+}
+
/* Remember the lowest-addressed loadable section we've seen.
This function is called via bfd_map_over_sections. */
else if (0 == bfd_get_section_name (objfile->obfd, lowest_sect)
|| !STREQ (".text",
bfd_get_section_name (objfile->obfd, lowest_sect)))
- warning ("Lowest section in %s is %s at 0x%x",
+ warning ("Lowest section in %s is %s at 0x%lx",
objfile->name,
bfd_section_name (objfile->obfd, lowest_sect),
- bfd_section_vma (objfile->obfd, lowest_sect));
+ (unsigned long) bfd_section_vma (objfile->obfd, lowest_sect));
if (lowest_sect)
addr -= bfd_section_vma (objfile->obfd, lowest_sect);
(*objfile -> sf -> sym_init) (objfile);
clear_complaints (1, verbo);
- /* If objfile->sf->sym_offsets doesn't set this, we don't care
- (currently). */
- objfile->num_sections = 0; /* krp-FIXME: why zero? */
section_offsets = (*objfile -> sf -> sym_offsets) (objfile, addr);
objfile->section_offsets = section_offsets;
(*objfile -> sf -> sym_read) (objfile, section_offsets, mainline);
- /* Don't allow char * to have a typename (else would get caddr_t.) */
- /* Ditto void *. FIXME should do this for all the builtin types. */
+ /* 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
+ it from here. */
TYPE_NAME (lookup_pointer_type (builtin_type_char)) = 0;
TYPE_NAME (lookup_pointer_type (builtin_type_void)) = 0;
/* Is this really necessary? I guess it gives the user something
to look at during a long download. */
- printf_filtered ("Loading section %s, size 0x%x vma 0x%x\n",
+ printf_filtered ("Loading section %s, size 0x%lx vma 0x%lx\n",
bfd_get_section_name (loadfile_bfd, s),
- size, vma);
+ (unsigned long) size, (unsigned long) vma);
bfd_get_section_contents (loadfile_bfd, s, buffer, 0, size);
text_addr = parse_and_eval_address (args);
if (!query ("add symbol table from file \"%s\" at text_addr = %s?\n",
- name, local_hex_string (text_addr)))
+ name, local_hex_string ((unsigned long)text_addr)))
error ("Not confirmed.");
symbol_file_add (name, 0, text_addr, 0, mapped, readnow);
This routine should then walk down each partial symbol table
and see if the symbol table that it originates from has been changed */
-the_big_top:
for (objfile = object_files; objfile; objfile = objfile->next) {
if (objfile->obfd) {
#ifdef IBM6000_TARGET
continue;
}
new_modtime = new_statbuf.st_mtime;
- if (new_modtime != objfile->mtime) {
- printf_filtered ("`%s' has changed; re-reading symbols.\n",
- objfile->name);
- /* FIXME, this should use a different command...that would only
- affect this objfile's symbols, and would reset objfile->mtime.
- (objfile->mtime = new_modtime;)
- HOWEVER, that command isn't written yet -- so call symbol_file_
- command, and restart the scan from the top, because it munges
- the object_files list. */
- symbol_file_command (objfile->name, 0);
- reread_one = 1;
- goto the_big_top; /* Start over. */
- }
+ if (new_modtime != objfile->mtime)
+ {
+ struct cleanup *old_cleanups;
+ struct section_offsets *offsets;
+ int num_offsets;
+ int section_offsets_size;
+
+ printf_filtered ("`%s' has changed; re-reading symbols.\n",
+ objfile->name);
+
+ /* There are various functions like symbol_file_add,
+ symfile_bfd_open, syms_from_objfile, etc., which might
+ appear to do what we want. But they have various other
+ effects which we *don't* want. So we just do stuff
+ ourselves. We don't worry about mapped files (for one thing,
+ any mapped file will be out of date). */
+
+ /* 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 (free_objfile, objfile);
+ /* We need to do this whenever any symbols go away. */
+ make_cleanup (clear_symtab_users, 0);
+
+ /* 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. */
+ if (!bfd_close (objfile->obfd))
+ error ("Can't close BFD for %s.", objfile->name);
+ objfile->obfd = bfd_openr (objfile->name, 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. */
+ if (!bfd_check_format (objfile->obfd, bfd_object))
+ error ("Can't read symbols from %s: %s.", objfile->name,
+ bfd_errmsg (bfd_error));
+
+ /* Save the offsets, we will nuke them with the rest of the
+ psymbol_obstack. */
+ num_offsets = objfile->num_sections;
+ section_offsets_size =
+ sizeof (struct section_offsets)
+ + sizeof (objfile->section_offsets->offsets) * num_offsets;
+ offsets = (struct section_offsets *) alloca (section_offsets_size);
+ memcpy (offsets, objfile->section_offsets, section_offsets_size);
+
+ /* Nuke all the state that we will re-read. Much of the following
+ code which sets things to NULL really is necessary to tell
+ other parts of GDB that there is nothing currently there. */
+
+ /* 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);
+ objfile->global_psymbols.list = NULL;
+ objfile->global_psymbols.size = 0;
+ if (objfile->static_psymbols.list)
+ mfree (objfile->md, objfile->static_psymbols.list);
+ objfile->static_psymbols.list = NULL;
+ objfile->static_psymbols.size = 0;
+
+ /* Free the obstacks for non-reusable objfiles */
+ obstack_free (&objfile -> psymbol_obstack, 0);
+ obstack_free (&objfile -> symbol_obstack, 0);
+ obstack_free (&objfile -> type_obstack, 0);
+ objfile->sections = NULL;
+ objfile->symtabs = NULL;
+ objfile->psymtabs = NULL;
+ objfile->free_psymtabs = NULL;
+ objfile->msymbols = NULL;
+ objfile->minimal_symbol_count= 0;
+ objfile->fundamental_types = NULL;
+ if (objfile -> sf != NULL)
+ {
+ (*objfile -> sf -> sym_finish) (objfile);
+ }
+
+ /* We never make this a mapped file. */
+ objfile -> md = NULL;
+ /* obstack_specify_allocation also initializes the obstack so
+ it is empty. */
+ obstack_specify_allocation (&objfile -> psymbol_obstack, 0, 0,
+ xmalloc, free);
+ obstack_specify_allocation (&objfile -> symbol_obstack, 0, 0,
+ xmalloc, free);
+ obstack_specify_allocation (&objfile -> type_obstack, 0, 0,
+ xmalloc, free);
+ if (build_objfile_section_table (objfile))
+ {
+ error ("Can't find the file sections in `%s': %s",
+ objfile -> name, bfd_errmsg (bfd_error));
+ }
+
+ /* We use the same section offsets as from last time. I'm not
+ sure whether that is always correct for shared libraries. */
+ objfile->section_offsets = (struct section_offsets *)
+ obstack_alloc (&objfile -> psymbol_obstack, section_offsets_size);
+ memcpy (objfile->section_offsets, offsets, section_offsets_size);
+ objfile->num_sections = num_offsets;
+
+ /* What the hell is sym_new_init for, anyway? The concept of
+ distinguishing between the main file and additional files
+ in this way seems rather dubious. */
+ if (objfile == symfile_objfile)
+ (*objfile->sf->sym_new_init) (objfile);
+
+ (*objfile->sf->sym_init) (objfile);
+ clear_complaints (1, 1);
+ /* The "mainline" parameter is a hideous hack; I think leaving it
+ 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);
+ objfile -> flags |= OBJF_SYMS;
+
+ /* We're done reading the symbol file; finish off complaints. */
+ clear_complaints (0, 1);
+
+ /* Getting new symbols may change our opinion about what is
+ frameless. */
+
+ reinit_frame_cache ();
+
+ /* Discard cleanups as symbol reading was successful. */
+ discard_cleanups (old_cleanups);
+
+ /* If the mtime has changed between the time we set new_modtime
+ and now, we *want* this to be out of date, so don't call stat
+ again now. */
+ objfile->mtime = new_modtime;
+ reread_one = 1;
+ }
}
}
if (reread_one)
- breakpoint_re_set ();
+ clear_symtab_users ();
}
\f
; /* Get default */
else if (0 == (c = strrchr (filename, '.')))
; /* Get default. */
- else if(STREQ(c,".mod"))
+ 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"))
+ else if (STREQ (c,".cc") || STREQ (c,".C") || STREQ (c, ".cxx"))
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;
return language_unknown; /* default */
set_default_breakpoint (0, 0, 0, 0);
current_source_symtab = 0;
current_source_line = 0;
+ clear_pc_function_cache ();
}
/* clear_symtab_users_once:
projects / binutils-gdb.git / commitdiff