#include "symtab.h"
#include "gdbtypes.h"
#include "breakpoint.h"
+
#include "bfd.h"
-#include "symfile.h"
-#include "objfiles.h"
-#include "buildsym.h"
-#include "complaints.h"
#include <obstack.h>
#include <string.h>
#include "coff/internal.h" /* Internal format of COFF symbols in BFD */
#include "libcoff.h" /* FIXME secret internal data from BFD */
+#include "symfile.h"
+#include "objfiles.h"
+#include "buildsym.h"
+#include "gdb-stabs.h"
+#include "stabsread.h"
+#include "complaints.h"
+
+struct coff_symfile_info {
+ file_ptr min_lineno_offset; /* Where in file lowest line#s are */
+ file_ptr max_lineno_offset; /* 1+last byte of line#s in file */
+
+ asection *stabsect; /* Section pointer for .stab section */
+ asection *stabstrsect; /* Section pointer for .stab section */
+ asection *stabindexsect; /* Section pointer for .stab.index section */
+ char *stabstrdata;
+};
+
/* Translate an external name string into a user-visible name. */
#define EXTERNAL_NAME(string, abfd) \
(string[0] == bfd_get_symbol_leading_char(abfd)? string+1: string)
static CORE_ADDR cur_src_start_addr;
static CORE_ADDR cur_src_end_addr;
-/* Core address of the end of the first object file. */
-static CORE_ADDR first_object_file_end;
-
/* The addresses of the symbol table stream and number of symbols
of the object file we are reading (as copied into core). */
-static FILE *nlist_stream_global;
+static GDB_FILE *nlist_stream_global;
static int nlist_nsyms_global;
/* Vector of line number information. */
static int
init_lineno PARAMS ((int, long, int));
-static char *
-getfilename PARAMS ((union internal_auxent *));
-
static char *
getsymname PARAMS ((struct internal_syment *));
static void
coff_symfile_finish PARAMS ((struct objfile *));
-static void
-record_minimal_symbol PARAMS ((char *, CORE_ADDR, enum minimal_symbol_type));
+static void record_minimal_symbol
+ PARAMS ((char *, CORE_ADDR, enum minimal_symbol_type, struct objfile *));
static void
coff_end_symtab PARAMS ((struct objfile *));
coff_lookup_type PARAMS ((int));
\f
+static void
+coff_locate_sections PARAMS ((bfd *, asection *, PTR));
+
+/* We are called once per section from coff_symfile_read. We
+ need to examine each section we are passed, check to see
+ if it is something we are interested in processing, and
+ if so, stash away some access information for the section.
+
+ FIXME: The section names should not be hardwired strings (what
+ should they be? I don't think most object file formats have enough
+ section flags to specify what kind of debug section it is
+ -kingdon). */
+
+static void
+coff_locate_sections (ignore_abfd, sectp, csip)
+ bfd *ignore_abfd;
+ asection *sectp;
+ PTR csip;
+{
+ register struct coff_symfile_info *csi;
+
+ csi = (struct coff_symfile_info *) csip;
+ if (STREQ (sectp->name, ".stab"))
+ {
+ csi->stabsect = sectp;
+ }
+ else if (STREQ (sectp->name, ".stabstr"))
+ {
+ csi->stabstrsect = sectp;
+ }
+ else if (STREQ (sectp->name, ".stab.index"))
+ {
+ csi->stabindexsect = sectp;
+ }
+}
+
/* Look up a coff type-number index. Return the address of the slot
where the type for that index is stored.
The type-number is in INDEX.
return type;
}
\f
-/* Manage the vector of line numbers. FIXME: Use record_line instead. */
+/* Record a line number entry for line LINE at address PC.
+ FIXME: Use record_line instead. */
static void
coff_record_line (line, pc)
}
\f
static void
-record_minimal_symbol (name, address, type)
+record_minimal_symbol (name, address, type, objfile)
char *name;
CORE_ADDR address;
enum minimal_symbol_type type;
+ struct objfile *objfile;
{
/* We don't want TDESC entry points in the minimal symbol table */
if (name[0] == '@') return;
- prim_record_minimal_symbol (savestring (name, strlen (name)), address, type);
+ prim_record_minimal_symbol (savestring (name, strlen (name)), address, type,
+ objfile);
}
\f
/* coff_symfile_init ()
The ultimate result is a new symtab (or, FIXME, eventually a psymtab). */
-struct coff_symfile_info {
- file_ptr min_lineno_offset; /* Where in file lowest line#s are */
- file_ptr max_lineno_offset; /* 1+last byte of line#s in file */
-};
-
static int text_bfd_scnum;
static void
asection *section;
bfd *abfd = objfile->obfd;
+ /* Allocate struct to keep track of stab reading. */
+ objfile->sym_stab_info = (PTR)
+ xmmalloc (objfile -> md, sizeof (struct dbx_symfile_info));
+
+ memset ((PTR) objfile->sym_stab_info, 0, sizeof (struct dbx_symfile_info));
+
/* Allocate struct to keep track of the symfile */
objfile -> sym_private = xmmalloc (objfile -> md,
sizeof (struct coff_symfile_info));
+ memset (objfile->sym_private, 0, sizeof (struct coff_symfile_info));
+
init_entry_point_info (objfile);
/* Save the section number for the text section */
- section = bfd_get_section_by_name(abfd,".text");
+ section = bfd_get_section_by_name (abfd, ".text");
if (section)
text_bfd_scnum = section->index;
else
- text_bfd_scnum = -1;
+ text_bfd_scnum = -1;
}
/* This function is called for every section; it finds the outer limits
int mainline;
{
struct coff_symfile_info *info;
+ struct dbx_symfile_info *dbxinfo;
bfd *abfd = objfile->obfd;
coff_data_type *cdata = coff_data (abfd);
char *name = bfd_get_filename (abfd);
int symtab_offset;
int stringtab_offset;
struct cleanup *back_to;
+ int stabsize, stabstrsize;
info = (struct coff_symfile_info *) objfile -> sym_private;
+ dbxinfo = (struct dbx_symfile_info *) objfile->sym_stab_info;
symfile_bfd = abfd; /* Kludge for swap routines */
/* WARNING WILL ROBINSON! ACCESSING BFD-PRIVATE DATA HERE! FIXME! */
- desc = fileno ((FILE *)(abfd->iostream)); /* File descriptor */
+ desc = fileno ((GDB_FILE *)(abfd->iostream)); /* File descriptor */
num_symbols = bfd_get_symcount (abfd); /* How many syms */
symtab_offset = cdata->sym_filepos; /* Symbol table file offset */
stringtab_offset = symtab_offset + /* String table file offset */
/* Read the line number table, all at once. */
info->min_lineno_offset = 0;
info->max_lineno_offset = 0;
- bfd_map_over_sections (abfd, find_linenos, (PTR)info);
+ bfd_map_over_sections (abfd, find_linenos, (PTR) info);
make_cleanup (free_linetab, 0);
val = init_lineno (desc, info->min_lineno_offset,
/* Sort symbols alphabetically within each block. */
- sort_all_symtab_syms ();
+ {
+ struct symtab *s;
+ for (s = objfile -> symtabs; s != NULL; s = s -> next)
+ {
+ sort_symtab_syms (s);
+ }
+ }
/* Install any minimal symbols that have been collected as the current
minimal symbols for this objfile. */
install_minimal_symbols (objfile);
+ bfd_map_over_sections (abfd, coff_locate_sections, (PTR) info);
+
+ if (info->stabsect)
+ {
+ /* FIXME: dubious. Why can't we use something normal like
+ bfd_get_section_contents? */
+ fseek ((GDB_FILE *) abfd->iostream, abfd->where, 0);
+
+ stabsize = bfd_section_size (abfd, info->stabsect);
+ stabstrsize = bfd_section_size (abfd, info->stabstrsect);
+
+ coffstab_build_psymtabs (objfile,
+ section_offsets,
+ mainline,
+ info->stabsect->filepos, stabsize,
+ info->stabstrsect->filepos, stabstrsize);
+ }
+
do_cleanups (back_to);
}
coff_new_init (ignore)
struct objfile *ignore;
{
- /* Nothin' to do */
}
/* Perform any local cleanups required when we are done with a particular
int nsyms;
struct objfile *objfile;
{
- FILE *stream;
+ GDB_FILE *stream;
register struct context_stack *new;
struct coff_symbol coff_symbol;
register struct coff_symbol *cs = &coff_symbol;
/* A .file is open. */
int in_source_file = 0;
- int num_object_files = 0;
int next_file_symnum = -1;
/* Name of the current file. */
coff_end_symtab (objfile);
coff_start_symtab ();
- complete_symtab ("_globals_", 0, first_object_file_end);
+ complete_symtab ("_globals_", 0, 0);
/* done with all files, everything from here on out is globals */
}
if (ISFCN (cs->c_type) && cs->c_sclass != C_TPDEF)
{
/* Record all functions -- external and static -- in minsyms. */
- record_minimal_symbol (cs->c_name, cs->c_value, mst_text);
+ record_minimal_symbol (cs->c_name, cs->c_value, mst_text, objfile);
fcn_line_ptr = main_aux.x_sym.x_fcnary.x_fcn.x_lnnoptr;
fcn_start_addr = cs->c_value;
*/
next_file_symnum = cs->c_value;
if (cs->c_naux > 0)
- filestring = getfilename (&main_aux);
+ filestring = coff_getfilename (&main_aux);
else
filestring = "";
if (STREQ (cs->c_name, ".text")) {
/* FIXME: don't wire in ".text" as section name
or symbol name! */
- if (++num_object_files == 1) {
- /* last address of startup file */
- first_object_file_end = cs->c_value +
- main_aux.x_scn.x_scnlen;
- }
/* Check for in_source_file deals with case of
a file with debugging symbols
followed by a later file with no symbols. */
But why are absolute syms recorded as functions, anyway? */
if (cs->c_secnum <= text_bfd_scnum+1) {/* text or abs */
record_minimal_symbol (cs->c_name, cs->c_value,
- mst_text);
+ mst_text, objfile);
break;
} else {
record_minimal_symbol (cs->c_name, cs->c_value,
- mst_data);
+ mst_data, objfile);
break;
}
}
new = pop_context ();
if (depth-- != new->depth)
{
- complain (&eb_complaint, (char *)symnum);
+ complain (&eb_complaint, symnum);
break;
}
if (local_symbols && context_stack_depth > 0)
{
fread (temp_aux, local_auxesz, 1, nlist_stream_global);
bfd_coff_swap_aux_in (symfile_bfd, temp_aux, sym->n_type, sym->n_sclass,
- (char *)aux);
+ 0, cs->c_naux, (char *)aux);
/* If more than one aux entry, read past it (only the first aux
is important). */
for (i = 1; i < cs->c_naux; i++)
only the last component of the name. Result is in static storage and
is only good for temporary use. */
-static char *
-getfilename (aux_entry)
+char *
+coff_getfilename (aux_entry)
union internal_auxent *aux_entry;
{
static char buffer[BUFSIZ];
return type;
}
-/* Fake up support for relocating symbol addresses. FIXME. */
-
-struct section_offsets coff_symfile_faker = {{0}};
-
struct section_offsets *
coff_symfile_offsets (objfile, addr)
struct objfile *objfile;
CORE_ADDR addr;
{
- return &coff_symfile_faker;
+ 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));
+
+ for (i = 0; i < SECT_OFF_MAX; i++)
+ ANOFFSET (section_offsets, i) = addr;
+
+ return section_offsets;
}
/* Register our ability to parse symbols for coff BFD files */
static struct sym_fns coff_sym_fns =
{
- "coff", /* sym_name: name or name prefix of BFD target type */
- 4, /* sym_namelen: number of significant sym_name chars */
+ bfd_target_coff_flavour,
coff_new_init, /* sym_new_init: init anything gbl to entire symtab */
coff_symfile_init, /* sym_init: read initial info, setup for sym_read() */
coff_symfile_read, /* sym_read: read a symbol file into symtab */
projects / deliverable / binutils-gdb.git / blobdiff