/* BFD back end for SCO5 core files (U-area and raw sections)
- Copyright 1998 Free Software Foundation, Inc.
+ Copyright 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
Written by Jouke Numan <jnuman@hiscom.nl>
This file is part of BFD, the Binary File Descriptor library.
static asection *
make_bfd_asection PARAMS ((bfd *, const char *, flagword, bfd_size_type,
bfd_vma, file_ptr));
-static asymbol *sco5_core_make_empty_symbol PARAMS ((bfd *));
static struct user *read_uarea PARAMS ((bfd *, int));
const bfd_target *sco5_core_file_p PARAMS ((bfd *abfd));
char *sco5_core_file_failing_command PARAMS ((bfd *abfd));
return asect;
}
-static asymbol *
-sco5_core_make_empty_symbol (abfd)
- bfd *abfd;
-{
- asymbol *new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol));
- if (new)
- new->the_bfd = abfd;
- return new;
-}
-
static struct user *
read_uarea(abfd, filepos)
bfd *abfd;
{
struct sco5_core_struct *rawptr;
+ bfd_size_type amt = sizeof (struct sco5_core_struct);
- rawptr = ((struct sco5_core_struct *)
- bfd_zmalloc (sizeof (struct sco5_core_struct)));
+ rawptr = (struct sco5_core_struct *) bfd_zmalloc (amt);
if (rawptr == NULL)
return NULL;
abfd->tdata.sco5_core_data = rawptr;
- if ((bfd_seek (abfd, filepos, SEEK_SET) != 0)
- || (bfd_read ((void *)&rawptr->u, 1, sizeof rawptr->u, abfd)
- != sizeof rawptr->u))
+ if (bfd_seek (abfd, (file_ptr) filepos, SEEK_SET) != 0
+ || bfd_bread ((void *) &rawptr->u, (bfd_size_type) sizeof rawptr->u,
+ abfd) != sizeof rawptr->u)
{
bfd_set_error (bfd_error_wrong_format);
return NULL;
}
/* Sanity check perhaps??? */
- if (rawptr->u.u_dsize > 0x1000000) /* Remember, it's in pages... */
+ if (rawptr->u.u_dsize > 0x1000000) /* Remember, it's in pages... */
{
bfd_set_error (bfd_error_wrong_format);
return NULL;
coresize = statbuf.st_size;
}
/* Last long in core is sizeof struct coreoffsets, read it */
- if ((bfd_seek (abfd, coresize-sizeof coffset_siz, SEEK_SET) != 0)
- || (bfd_read ((void *)&coffset_siz, 1, sizeof coffset_siz, abfd)
- != sizeof coffset_siz) )
+ if ((bfd_seek (abfd, (file_ptr) (coresize - sizeof coffset_siz),
+ SEEK_SET) != 0)
+ || bfd_bread ((void *) &coffset_siz, (bfd_size_type) sizeof coffset_siz,
+ abfd) != sizeof coffset_siz)
{
- bfd_set_error (bfd_error_wrong_format);
+ bfd_set_error (bfd_error_wrong_format);
return NULL;
}
/* Use it to seek start of coreoffsets region, read it and determine
validity */
- if ((bfd_seek (abfd, coresize-coffset_siz, SEEK_SET) != 0)
- || (bfd_read ((void *)&coffsets, 1, sizeof coffsets, abfd)
+ if ((bfd_seek (abfd, (file_ptr) (coresize - coffset_siz), SEEK_SET) != 0)
+ || (bfd_bread ((void *) &coffsets, (bfd_size_type) sizeof coffsets, abfd)
!= sizeof coffsets)
|| ((coffsets.u_info != 1) && (coffsets.u_info != C_VERSION)))
{
- bfd_set_error (bfd_error_wrong_format);
+ bfd_set_error (bfd_error_wrong_format);
return NULL;
}
-
- if (coffsets.u_info == 1)
- {
+ if (coffsets.u_info == 1)
+ {
/* Old version, no section heads, read info from user struct */
- u = read_uarea(abfd, coffsets.u_user);
+ u = read_uarea (abfd, coffsets.u_user);
if (! u)
- return NULL;
+ goto fail;
- if (!make_bfd_asection (abfd, ".reg", SEC_HAS_CONTENTS,
+ if (!make_bfd_asection (abfd, ".reg", SEC_HAS_CONTENTS,
(bfd_size_type) coffsets.u_usize,
0 - (bfd_vma) u->u_ar0,
(file_ptr) coffsets.u_user))
- return NULL;
-
- if (!make_bfd_asection (abfd, ".data",
+ goto fail;
+
+ if (!make_bfd_asection (abfd, ".data",
SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
((bfd_size_type) u->u_exdata.ux_dsize
+ u->u_exdata.ux_bsize),
(bfd_vma) u->u_exdata.ux_datorg,
(file_ptr) coffsets.u_data))
- return NULL;
-
- if (!make_bfd_asection (abfd, ".stack",
- SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
+ goto fail;
+
+ if (!make_bfd_asection (abfd, ".stack",
+ SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
(bfd_size_type) u->u_ssize * NBPC,
(bfd_vma) u->u_sub,
(file_ptr) coffsets.u_stack))
- return NULL;
+ goto fail;
return abfd->xvec; /* Done for version 1 */
- }
+ }
/* Immediately before coreoffsets region is a long with offset in core
to first coresecthead (CORES_OFFSETS), the long before this is the
number of section heads in the list. Read both longs and read the
coresecthead and check its validity */
-
- if ((bfd_seek (abfd,
- coresize - coffset_siz - 2 * sizeof coffset_siz,
+
+ if ((bfd_seek (abfd,
+ (file_ptr) (coresize - coffset_siz - 2 * sizeof coffset_siz),
SEEK_SET) != 0)
- || (bfd_read ((void *)&nsecs, 1, sizeof nsecs, abfd) != sizeof nsecs)
- || (bfd_read ((void *)&cheadoffs, 1, sizeof cheadoffs, abfd)
- != sizeof cheadoffs)
- || (bfd_seek (abfd, cheadoffs, SEEK_SET) != 0)
- || (bfd_read ((void *)&chead, 1, sizeof chead, abfd) != sizeof chead)
+ || (bfd_bread ((void *) &nsecs, (bfd_size_type) sizeof nsecs, abfd)
+ != sizeof nsecs)
+ || (bfd_bread ((void *) &cheadoffs, (bfd_size_type) sizeof cheadoffs,
+ abfd) != sizeof cheadoffs)
+ || (bfd_seek (abfd, (file_ptr) cheadoffs, SEEK_SET) != 0)
+ || (bfd_bread ((void *) &chead, (bfd_size_type) sizeof chead, abfd)
+ != sizeof chead)
|| (chead.cs_stype != CORES_OFFSETS)
|| (chead.cs_x.csx_magic != COREMAGIC_NUMBER))
{
bfd_set_error (bfd_error_wrong_format);
- return NULL;
+ goto fail;
}
/* OK, we believe you. You're a core file (sure, sure). */
/* Now loop over all regions and map them */
nsecs--; /* We've seen CORES_OFFSETS already */
- for (; nsecs; nsecs--)
+ for (; nsecs; nsecs--)
{
- if ((bfd_seek (abfd, chead.cs_hseek, SEEK_SET) != 0)
- || bfd_read ((void *)&chead, 1, sizeof chead, abfd) != sizeof chead)
+ if ((bfd_seek (abfd, (file_ptr) chead.cs_hseek, SEEK_SET) != 0)
+ || (bfd_bread ((void *) &chead, (bfd_size_type) sizeof chead, abfd)
+ != sizeof chead))
{
- bfd_set_error (bfd_error_wrong_format);
- return NULL;
+ bfd_set_error (bfd_error_wrong_format);
+ goto fail;
}
- switch (chead.cs_stype)
+ switch (chead.cs_stype)
{
case CORES_MAGIC: /* Core header, check magic */
if (chead.cs_x.csx_magic != COREMAGIC_NUMBER)
{
bfd_set_error (bfd_error_wrong_format);
- return NULL;
+ goto fail;
}
secname = NULL;
nsecs++; /* MAGIC not in section cnt!*/
break;
case CORES_UAREA: /* U-area, read in tdata */
- u = read_uarea(abfd, chead.cs_sseek);
+ u = read_uarea (abfd, chead.cs_sseek);
if (! u)
- return NULL;
+ goto fail;
/* This is tricky. As the "register section", we give them
the entire upage and stack. u.u_ar0 points to where
*u_ar0. The other is that u_ar0 is sometimes an absolute
address in kernel memory, and on other systems it is an
offset from the beginning of the `struct user'.
-
+
As a practical matter, we don't know where the registers
actually are, so we have to pass the whole area to GDB.
We encode the value of u_ar0 by setting the .regs section
pointed to by u_ar0 (by setting the vma of the start of
the section to -u_ar0). GDB uses this info to locate the
regs, using minor trickery to get around the
- offset-or-absolute-addr problem. */
+ offset-or-absolute-addr problem. */
chead.cs_vaddr = 0 - (bfd_vma) u->u_ar0;
-
secname = ".reg";
flags = SEC_HAS_CONTENTS;
(bfd_size_type) chead.cs_vsize,
(bfd_vma) chead.cs_vaddr,
(file_ptr) chead.cs_sseek))
- return NULL;
+ goto fail;
}
return abfd->xvec;
+ fail:
+ if (abfd->tdata.any)
+ {
+ bfd_release (abfd, abfd->tdata.any);
+ abfd->tdata.any = NULL;
+ }
+ bfd_section_list_clear (abfd);
+ return NULL;
}
char *
sco5_core_file_failing_signal (ignore_abfd)
bfd *ignore_abfd;
{
- return ((ignore_abfd->tdata.sco5_core_data->u.u_sysabort != 0)
- ? ignore_abfd->tdata.sco5_core_data->u.u_sysabort
+ return ((ignore_abfd->tdata.sco5_core_data->u.u_sysabort != 0)
+ ? ignore_abfd->tdata.sco5_core_data->u.u_sysabort
: -1);
}
/* ARGSUSED */
boolean
sco5_core_file_matches_executable_p (core_bfd, exec_bfd)
- bfd *core_bfd, *exec_bfd;
+ bfd *core_bfd ATTRIBUTE_UNUSED;
+ bfd *exec_bfd ATTRIBUTE_UNUSED;
{
return true; /* FIXME, We have no way of telling at this point */
}
-#define sco5_core_get_symtab_upper_bound _bfd_nosymbols_get_symtab_upper_bound
-#define sco5_core_get_symtab _bfd_nosymbols_get_symtab
-#define sco5_core_print_symbol _bfd_nosymbols_print_symbol
-#define sco5_core_get_symbol_info _bfd_nosymbols_get_symbol_info
-#define sco5_core_bfd_is_local_label_name _bfd_nosymbols_bfd_is_local_label_name
-#define sco5_core_get_lineno _bfd_nosymbols_get_lineno
-#define sco5_core_find_nearest_line _bfd_nosymbols_find_nearest_line
-#define sco5_core_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
-#define sco5_core_read_minisymbols _bfd_nosymbols_read_minisymbols
-#define sco5_core_minisymbol_to_symbol _bfd_nosymbols_minisymbol_to_symbol
-
/* If somebody calls any byte-swapping routines, shoot them. */
static void
-swap_abort()
+swap_abort ()
{
- abort(); /* This way doesn't require any declaration for ANSI to fuck up */
+ abort (); /* This way doesn't require any declaration for ANSI to fuck up */
}
#define NO_GET ((bfd_vma (*) PARAMS (( const bfd_byte *))) swap_abort )
#define NO_PUT ((void (*) PARAMS ((bfd_vma, bfd_byte *))) swap_abort )
bfd_false, bfd_false
},
- BFD_JUMP_TABLE_GENERIC (_bfd_generic),
- BFD_JUMP_TABLE_COPY (_bfd_generic),
- BFD_JUMP_TABLE_CORE (sco5),
- BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
- BFD_JUMP_TABLE_SYMBOLS (sco5_core),
- BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
- BFD_JUMP_TABLE_WRITE (_bfd_generic),
- BFD_JUMP_TABLE_LINK (_bfd_nolink),
- BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+ BFD_JUMP_TABLE_GENERIC (_bfd_generic),
+ BFD_JUMP_TABLE_COPY (_bfd_generic),
+ BFD_JUMP_TABLE_CORE (sco5),
+ BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
+ BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
+ BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
+ BFD_JUMP_TABLE_WRITE (_bfd_generic),
+ BFD_JUMP_TABLE_LINK (_bfd_nolink),
+ BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
NULL,
-
+
(PTR) 0 /* backend_data */
};
projects / deliverable / binutils-gdb.git / blobdiff