/* Native support for the SGI Iris running IRIX version 5, for GDB.
- Copyright 1988, 89, 90, 91, 92, 93, 94, 95, 96, 98, 1999
- Free Software Foundation, Inc.
+ Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998,
+ 1999, 2000, 2001 Free Software Foundation, Inc.
Implemented for Irix 4.x by Garrett A. Wollman.
#include "inferior.h"
#include "gdbcore.h"
#include "target.h"
+#include "regcache.h"
#include "gdb_string.h"
#include <sys/time.h>
#include <sys/procfs.h>
#include <setjmp.h> /* For JB_XXX. */
-static void
-fetch_core_registers PARAMS ((char *, unsigned int, int, CORE_ADDR));
+/* Prototypes for supply_gregset etc. */
+#include "gregset.h"
+
+static void fetch_core_registers (char *, unsigned int, int, CORE_ADDR);
/* Size of elements in jmpbuf */
*/
void
-supply_gregset (gregsetp)
- gregset_t *gregsetp;
+supply_gregset (gregset_t *gregsetp)
{
register int regi;
register greg_t *regp = &(*gregsetp)[0];
}
void
-fill_gregset (gregsetp, regno)
- gregset_t *gregsetp;
- int regno;
+fill_gregset (gregset_t *gregsetp, int regno)
{
int regi;
register greg_t *regp = &(*gregsetp)[0];
*/
void
-supply_fpregset (fpregsetp)
- fpregset_t *fpregsetp;
+supply_fpregset (fpregset_t *fpregsetp)
{
register int regi;
static char zerobuf[MAX_REGISTER_RAW_SIZE] =
}
void
-fill_fpregset (fpregsetp, regno)
- fpregset_t *fpregsetp;
- int regno;
+fill_fpregset (fpregset_t *fpregsetp, int regno)
{
int regi;
char *from, *to;
This routine returns true on success. */
int
-get_longjmp_target (pc)
- CORE_ADDR *pc;
+get_longjmp_target (CORE_ADDR *pc)
{
- char buf[TARGET_PTR_BIT / TARGET_CHAR_BIT];
+ char *buf;
CORE_ADDR jb_addr;
+ buf = alloca (TARGET_PTR_BIT / TARGET_CHAR_BIT);
jb_addr = read_register (A0_REGNUM);
if (target_read_memory (jb_addr + JB_PC * JB_ELEMENT_SIZE, buf,
return 1;
}
+/* Provide registers to GDB from a core file.
+
+ CORE_REG_SECT points to an array of bytes, which were obtained from
+ a core file which BFD thinks might contain register contents.
+ CORE_REG_SIZE is its size.
+
+ Normally, WHICH says which register set corelow suspects this is:
+ 0 --- the general-purpose register set
+ 2 --- the floating-point register set
+ However, for Irix 5, WHICH isn't used.
+
+ REG_ADDR is also unused. */
+
static void
-fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
- char *core_reg_sect;
- unsigned core_reg_size;
- int which; /* Unused */
- CORE_ADDR reg_addr; /* Unused */
+fetch_core_registers (char *core_reg_sect, unsigned core_reg_size,
+ int which, CORE_ADDR reg_addr)
{
if (core_reg_size == REGISTER_BYTES)
{
#include "objfiles.h"
#include "command.h"
#include "frame.h"
-#include "gnu-regex.h"
+#include "gdb_regex.h"
#include "inferior.h"
#include "language.h"
#include "gdbcmd.h"
/* Local function prototypes */
-static void
-sharedlibrary_command PARAMS ((char *, int));
+static void sharedlibrary_command (char *, int);
-static int
-enable_break PARAMS ((void));
+static int enable_break (void);
-static int
-disable_break PARAMS ((void));
+static int disable_break (void);
-static void
-info_sharedlibrary_command PARAMS ((char *, int));
+static void info_sharedlibrary_command (char *, int);
-static int
-symbol_add_stub PARAMS ((char *));
+static int symbol_add_stub (void *);
-static struct so_list *
- find_solib PARAMS ((struct so_list *));
+static struct so_list *find_solib (struct so_list *);
-static struct link_map *
- first_link_map_member PARAMS ((void));
+static struct link_map *first_link_map_member (void);
-static struct link_map *
- next_link_map_member PARAMS ((struct so_list *));
+static struct link_map *next_link_map_member (struct so_list *);
-static void
-xfer_link_map_member PARAMS ((struct so_list *, struct link_map *));
+static void xfer_link_map_member (struct so_list *, struct link_map *);
-static CORE_ADDR
- locate_base PARAMS ((void));
+static CORE_ADDR locate_base (void);
-static int
-solib_map_sections PARAMS ((char *));
+static int solib_map_sections (void *);
/*
*/
static int
-solib_map_sections (arg)
- char *arg;
+solib_map_sections (void *arg)
{
struct so_list *so = (struct so_list *) arg; /* catch_errors bogon */
char *filename;
bfd *abfd;
filename = tilde_expand (so->so_name);
- old_chain = make_cleanup (free, filename);
+ old_chain = make_cleanup (xfree, filename);
scratch_chan = openp (getenv ("PATH"), 1, filename, O_RDONLY, 0,
&scratch_pathname);
/* Free the file names, close the file now. */
do_cleanups (old_chain);
+ /* must be non-zero */
return (1);
}
*/
static CORE_ADDR
-locate_base ()
+locate_base (void)
{
struct minimal_symbol *msymbol;
CORE_ADDR address = 0;
*/
static struct link_map *
-first_link_map_member ()
+first_link_map_member (void)
{
struct obj_list *listp;
struct obj_list list_old;
return NULL;
/* Get first list entry. */
- lladdr = (CORE_ADDR) listp;
+ /* The MIPS Sign extends addresses. */
+ lladdr = host_pointer_to_address (listp);
read_memory (lladdr, (char *) &list_old, sizeof (struct obj_list));
/* The first entry in the list is the object file we are debugging,
so skip it. */
- next_lladdr = (CORE_ADDR) list_old.next;
+ next_lladdr = host_pointer_to_address (list_old.next);
#ifdef HANDLE_NEW_OBJ_LIST
if (list_old.data == NEW_OBJ_INFO_MAGIC)
*/
static struct link_map *
-next_link_map_member (so_list_ptr)
- struct so_list *so_list_ptr;
+next_link_map_member (struct so_list *so_list_ptr)
{
struct link_map *lm = &so_list_ptr->lm;
CORE_ADDR next_lladdr = lm->l_next;
status = target_read_memory (lm->l_lladdr,
(char *) &list_old,
sizeof (struct obj_list));
- next_lladdr = (CORE_ADDR) list_old.next;
+ next_lladdr = host_pointer_to_address (list_old.next);
}
#ifdef HANDLE_NEW_OBJ_LIST
else if (lm->l_variant == OBJ_LIST_32)
*/
static void
-xfer_link_map_member (so_list_ptr, lm)
- struct so_list *so_list_ptr;
- struct link_map *lm;
+xfer_link_map_member (struct so_list *so_list_ptr, struct link_map *lm)
{
struct obj_list list_old;
CORE_ADDR lladdr = lm->l_lladdr;
new_lm->l_variant = OBJ_LIST_OLD;
new_lm->l_lladdr = lladdr;
- new_lm->l_next = (CORE_ADDR) list_old.next;
+ new_lm->l_next = host_pointer_to_address (list_old.next);
#ifdef HANDLE_NEW_OBJ_LIST
if (list_old.data == NEW_OBJ_INFO_MAGIC)
*/
static struct so_list *
-find_solib (so_list_ptr)
- struct so_list *so_list_ptr; /* Last lm or NULL for first one */
+find_solib (struct so_list *so_list_ptr)
{
struct so_list *so_list_next = NULL;
struct link_map *lm = NULL;
/* A small stub to get us past the arg-passing pinhole of catch_errors. */
static int
-symbol_add_stub (arg)
- char *arg;
+symbol_add_stub (void *arg)
{
register struct so_list *so = (struct so_list *) arg; /* catch_errs bogon */
CORE_ADDR text_addr = 0;
text_addr = bfd_section_vma (so->abfd, lowest_sect) + LM_OFFSET (so);
}
- section_addrs.text_addr = text_addr;
+
+ section_addrs.other[0].name = ".text";
+ section_addrs.other[0].addr = text_addr;
so->objfile = symbol_file_add (so->so_name, so->from_tty,
§ion_addrs, 0, 0);
+ /* must be non-zero */
return (1);
}
SYNOPSIS
void solib_add (char *arg_string, int from_tty,
- struct target_ops *target)
+ struct target_ops *target, int readsyms)
DESCRIPTION
*/
void
-solib_add (arg_string, from_tty, target)
- char *arg_string;
- int from_tty;
- struct target_ops *target;
+solib_add (char *arg_string, int from_tty, struct target_ops *target, int readsyms)
{
register struct so_list *so = NULL; /* link map state variable */
int count;
int old;
+ if (!readsyms)
+ return;
+
if ((re_err = re_comp (arg_string ? arg_string : ".")) != NULL)
{
error ("Invalid regexp: %s", re_err);
*/
static void
-info_sharedlibrary_command (ignore, from_tty)
- char *ignore;
- int from_tty;
+info_sharedlibrary_command (char *ignore, int from_tty)
{
register struct so_list *so = NULL; /* link map state variable */
int header_done = 0;
*/
char *
-solib_address (address)
- CORE_ADDR address;
+solib_address (CORE_ADDR address)
{
register struct so_list *so = 0; /* link map state variable */
/* Called by free_all_symtabs */
void
-clear_solib ()
+clear_solib (void)
{
struct so_list *next;
char *bfd_filename;
{
if (so_list_head->sections)
{
- free ((PTR) so_list_head->sections);
+ xfree (so_list_head->sections);
}
if (so_list_head->abfd)
{
+ remove_target_sections (so_list_head->abfd);
bfd_filename = bfd_get_filename (so_list_head->abfd);
if (!bfd_close (so_list_head->abfd))
warning ("cannot close \"%s\": %s",
next = so_list_head->next;
if (bfd_filename)
- free ((PTR) bfd_filename);
- free (so_list_head->so_name);
- free ((PTR) so_list_head);
+ xfree (bfd_filename);
+ xfree (so_list_head->so_name);
+ xfree (so_list_head);
so_list_head = next;
}
debug_base = 0;
*/
static int
-disable_break ()
+disable_break (void)
{
int status = 1;
*/
static int
-enable_break ()
+enable_break (void)
{
if (symfile_objfile != NULL
&& target_insert_breakpoint (symfile_objfile->ei.entry_point,
*/
void
-solib_create_inferior_hook ()
+solib_create_inferior_hook (void)
{
if (!enable_break ())
{
stop_signal = TARGET_SIGNAL_0;
do
{
- target_resume (-1, 0, stop_signal);
+ target_resume (pid_to_ptid (-1), 0, stop_signal);
wait_for_inferior ();
}
while (stop_signal != TARGET_SIGNAL_TRAP);
and will put out an annoying warning.
Delaying the resetting of stop_soon_quietly until after symbol loading
suppresses the warning. */
- if (auto_solib_add)
- solib_add ((char *) 0, 0, (struct target_ops *) 0);
+ solib_add ((char *) 0, 0, (struct target_ops *) 0, auto_solib_add);
stop_soon_quietly = 0;
}
*/
static void
-sharedlibrary_command (args, from_tty)
- char *args;
- int from_tty;
+sharedlibrary_command (char *args, int from_tty)
{
dont_repeat ();
- solib_add (args, from_tty, (struct target_ops *) 0);
+ solib_add (args, from_tty, (struct target_ops *) 0, 1);
}
void
-_initialize_solib ()
+_initialize_solib (void)
{
add_com ("sharedlibrary", class_files, sharedlibrary_command,
"Load shared object library symbols for files matching REGEXP.");
"Status of loaded shared object libraries.");
add_show_from_set
- (add_set_cmd ("auto-solib-add", class_support, var_zinteger,
+ (add_set_cmd ("auto-solib-add", class_support, var_boolean,
(char *) &auto_solib_add,
"Set autoloading of shared library symbols.\n\
-If nonzero, symbols from all shared object libraries will be loaded\n\
-automatically when the inferior begins execution or when the dynamic linker\n\
-informs gdb that a new library has been loaded. Otherwise, symbols\n\
-must be loaded manually, using `sharedlibrary'.",
+If \"on\", symbols from all shared object libraries will be loaded\n\
+automatically when the inferior begins execution, when the dynamic linker\n\
+informs gdb that a new library has been loaded, or when attaching to the\n\
+inferior. Otherwise, symbols must be loaded manually, using `sharedlibrary'.",
&setlist),
&showlist);
}
};
void
-_initialize_core_irix5 ()
+_initialize_core_irix5 (void)
{
add_core_fns (&irix5_core_fns);
}
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