aboutsummaryrefslogtreecommitdiff
path: root/gdb/coffread.c
diff options
context:
space:
mode:
Diffstat (limited to 'gdb/coffread.c')
-rw-r--r--gdb/coffread.c102
1 files changed, 55 insertions, 47 deletions
diff --git a/gdb/coffread.c b/gdb/coffread.c
index c4f06e1..ec7aef2 100644
--- a/gdb/coffread.c
+++ b/gdb/coffread.c
@@ -27,7 +27,8 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "bfd.h"
#include <obstack.h>
-#include <string.h>
+#include "gdb_string.h"
+#include <ctype.h>
#include "coff/internal.h" /* Internal format of COFF symbols in BFD */
#include "libcoff.h" /* FIXME secret internal data from BFD */
@@ -44,9 +45,10 @@ 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 */
+ CORE_ADDR textaddr; /* Addr of .text section. */
+ unsigned int textsize; /* Size of .text section. */
+ struct stab_section_list *stabsects; /* .stab sections. */
asection *stabstrsect; /* Section pointer for .stab section */
- asection *stabindexsect; /* Section pointer for .stab.index section */
char *stabstrdata;
};
@@ -132,13 +134,6 @@ static unsigned local_auxesz;
static struct symbol *opaque_type_chain[HASHSIZE];
-#if 0
-/* The type of the function we are currently reading in. This is
- used by define_symbol to record the type of arguments to a function. */
-
-struct type *in_function_type;
-#endif
-
/* Complaints about various problems in the file being read */
struct complaint ef_complaint =
@@ -212,6 +207,8 @@ static int init_lineno PARAMS ((bfd *, long, int));
static char *getsymname PARAMS ((struct internal_syment *));
+static char *coff_getfilename PARAMS ((union internal_auxent *));
+
static void free_stringtab PARAMS ((void));
static int init_stringtab PARAMS ((bfd *, long));
@@ -263,25 +260,55 @@ static void coff_locate_sections PARAMS ((bfd *, asection *, PTR));
-kingdon). */
static void
-coff_locate_sections (ignore_abfd, sectp, csip)
- bfd *ignore_abfd;
+coff_locate_sections (abfd, sectp, csip)
+ bfd *abfd;
asection *sectp;
PTR csip;
{
register struct coff_symfile_info *csi;
+ const char *name;
csi = (struct coff_symfile_info *) csip;
- if (STREQ (sectp->name, ".stab"))
+ name = bfd_get_section_name (abfd, sectp);
+ if (STREQ (name, ".text"))
+ {
+ csi->textaddr = bfd_section_vma (abfd, sectp);
+ csi->textsize += bfd_section_size (abfd, sectp);
+ }
+ else if (strncmp (name, ".text", sizeof ".text" - 1) == 0)
{
- csi->stabsect = sectp;
+ csi->textsize += bfd_section_size (abfd, sectp);
}
- else if (STREQ (sectp->name, ".stabstr"))
+ else if (STREQ (name, ".stabstr"))
{
csi->stabstrsect = sectp;
}
- else if (STREQ (sectp->name, ".stab.index"))
+ else if (strncmp (name, ".stab", sizeof ".stab" - 1) == 0)
{
- csi->stabindexsect = sectp;
+ const char *s;
+
+ /* We can have multiple .stab sections if linked with
+ --split-by-reloc. */
+ for (s = name + sizeof ".stab" - 1; *s != '\0'; s++)
+ if (! isdigit (*s))
+ break;
+ if (*s == '\0')
+ {
+ struct stab_section_list *n, **pn;
+
+ n = ((struct stab_section_list *)
+ xmalloc (sizeof (struct stab_section_list)));
+ n->section = sectp;
+ n->next = NULL;
+ for (pn = &csi->stabsects; *pn != NULL; pn = &(*pn)->next)
+ ;
+ *pn = n;
+
+ /* This will be run after coffstab_build_psymtabs is called
+ in coff_symfile_read, at which point we no longer need
+ the information. */
+ make_cleanup (free, n);
+ }
}
}
@@ -529,17 +556,15 @@ static void
coff_symfile_init (objfile)
struct objfile *objfile;
{
- 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));
+ 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));
+ objfile->sym_private = xmmalloc (objfile->md,
+ sizeof (struct coff_symfile_info));
memset (objfile->sym_private, 0, sizeof (struct coff_symfile_info));
@@ -607,7 +632,7 @@ coff_symfile_read (objfile, section_offsets, mainline)
int symtab_offset;
int stringtab_offset;
struct cleanup *back_to;
- int stabsize, stabstrsize;
+ int stabstrsize;
info = (struct coff_symfile_info *) objfile -> sym_private;
dbxinfo = (struct dbx_symfile_info *) objfile->sym_stab_info;
@@ -681,19 +706,19 @@ coff_symfile_read (objfile, section_offsets, mainline)
bfd_map_over_sections (abfd, coff_locate_sections, (PTR) info);
- if (info->stabsect)
+ if (info->stabsects)
{
/* FIXME: dubious. Why can't we use something normal like
bfd_get_section_contents? */
bfd_seek (abfd, 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->textaddr, info->textsize,
+ info->stabsects,
info->stabstrsect->filepos, stabstrsize);
}
@@ -1211,7 +1236,7 @@ getsymname (symbol_entry)
only the last component of the name. Result is in static storage and
is only good for temporary use. */
-char *
+static char *
coff_getfilename (aux_entry)
union internal_auxent *aux_entry;
{
@@ -1300,6 +1325,8 @@ enter_linenos (file_offset, first_line, last_line, section_offsets)
register char *rawptr;
struct internal_lineno lptr;
+ if (!linetab)
+ return ;
if (file_offset < linetab_offset)
{
complain (&lineno_complaint, file_offset);
@@ -1442,22 +1469,8 @@ process_coff_symbol (cs, aux, section_offsets, objfile)
if (ISFCN (cs->c_type))
{
SYMBOL_VALUE (sym) += ANOFFSET (section_offsets, SECT_OFF_TEXT);
-#if 0
- /* FIXME: This has NOT been tested. The DBX version has.. */
- /* Generate a template for the type of this function. The
- types of the arguments will be added as we read the symbol
- table. */
- struct type *new = (struct type *)
- obstack_alloc (&objfile->symbol_obstack, sizeof (struct type));
-
- memcpy (new, lookup_function_type (decode_function_type (cs, cs->c_type, aux)),
- sizeof(struct type));
- SYMBOL_TYPE (sym) = new;
- in_function_type = SYMBOL_TYPE(sym);
-#else
SYMBOL_TYPE(sym) =
lookup_function_type (decode_function_type (cs, cs->c_type, aux));
-#endif
SYMBOL_CLASS (sym) = LOC_BLOCK;
if (cs->c_sclass == C_STAT)
@@ -1513,11 +1526,6 @@ process_coff_symbol (cs, aux, section_offsets, objfile)
case C_ARG:
SYMBOL_CLASS (sym) = LOC_ARG;
-#if 0
- /* FIXME: This has not been tested. */
- /* Add parameter to function. */
- add_param_to_type(&in_function_type,sym);
-#endif
add_symbol_to_list (sym, &local_symbols);
#if !defined (BELIEVE_PCC_PROMOTION)
if (TARGET_BYTE_ORDER == BIG_ENDIAN)
@@ -2102,7 +2110,7 @@ coff_symfile_offsets (objfile, addr)
section_offsets = (struct section_offsets *)
obstack_alloc (&objfile -> psymbol_obstack,
sizeof (struct section_offsets)
- + sizeof (section_offsets->offsets) * (SECT_OFF_MAX-1));
+ + sizeof (section_offsets->offsets) * SECT_OFF_MAX);
for (i = 0; i < SECT_OFF_MAX; i++)
ANOFFSET (section_offsets, i) = addr;