/* Handle FR-V (FDPIC) shared libraries for GDB, the GNU Debugger.
- Copyright (C) 2004, 2007, 2008, 2009, 2010, 2011
- Free Software Foundation, Inc.
+ Copyright (C) 2004-2015 Free Software Foundation, Inc.
This file is part of GDB.
#include "defs.h"
-#include "gdb_string.h"
#include "inferior.h"
#include "gdbcore.h"
#include "solib.h"
#include "command.h"
#include "gdbcmd.h"
#include "elf/frv.h"
-#include "exceptions.h"
+#include "gdb_bfd.h"
/* Flag which indicates whether internal debug messages should be printed. */
-static int solib_frv_debug;
+static unsigned int solib_frv_debug;
/* FR-V pointers are four bytes wide. */
enum { FRV_PTR_SIZE = 4 };
static struct int_elf32_fdpic_loadmap *
fetch_loadmap (CORE_ADDR ldmaddr)
{
- enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
+ enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ());
struct ext_elf32_fdpic_loadmap ext_ldmbuf_partial;
struct ext_elf32_fdpic_loadmap *ext_ldmbuf;
struct int_elf32_fdpic_loadmap *int_ldmbuf;
static CORE_ADDR
lm_base (void)
{
- enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
- struct minimal_symbol *got_sym;
+ enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ());
+ struct bound_minimal_symbol got_sym;
CORE_ADDR addr;
gdb_byte buf[FRV_PTR_SIZE];
got_sym = lookup_minimal_symbol ("_GLOBAL_OFFSET_TABLE_", NULL,
symfile_objfile);
- if (got_sym == 0)
+ if (got_sym.minsym == 0)
{
if (solib_frv_debug)
fprintf_unfiltered (gdb_stdlog,
return 0;
}
- addr = SYMBOL_VALUE_ADDRESS (got_sym) + 8;
+ addr = BMSYMBOL_VALUE_ADDRESS (got_sym) + 8;
if (solib_frv_debug)
fprintf_unfiltered (gdb_stdlog,
static struct so_list *
frv_current_sos (void)
{
- enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
+ enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ());
CORE_ADDR lm_addr, mgot;
struct so_list *sos_head = NULL;
struct so_list **sos_next_ptr = &sos_head;
for details.)
Note that the relocation of the main executable is also performed
- by SOLIB_CREATE_INFERIOR_HOOK(), however, in the case of core
+ by solib_create_inferior_hook(), however, in the case of core
files, this hook is called too late in order to be of benefit to
- SOLIB_ADD. SOLIB_ADD eventually calls this this function,
+ solib_add. solib_add eventually calls this this function,
frv_current_sos, and also precedes the call to
- SOLIB_CREATE_INFERIOR_HOOK(). (See post_create_inferior() in
+ solib_create_inferior_hook(). (See post_create_inferior() in
infcmd.c.) */
if (main_executable_lm_info == 0 && core_bfd != NULL)
frv_relocate_main_executable ();
{
return ((pc >= interp_text_sect_low && pc < interp_text_sect_high)
|| (pc >= interp_plt_sect_low && pc < interp_plt_sect_high)
- || in_plt_section (pc, NULL));
+ || in_plt_section (pc));
}
/* Given a loadmap and an address, return the displacement needed
static int
enable_break2 (void)
{
- enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
+ enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ());
int success = 0;
char **bkpt_namep;
asection *interp_sect;
if (interp_sect)
{
unsigned int interp_sect_size;
- gdb_byte *buf;
+ char *buf;
bfd *tmp_bfd = NULL;
int status;
CORE_ADDR addr, interp_loadmap_addr;
gdb_byte addr_buf[FRV_PTR_SIZE];
struct int_elf32_fdpic_loadmap *ldm;
- volatile struct gdb_exception ex;
/* Read the contents of the .interp section into a local buffer;
the contents specify the dynamic linker this program uses. */
be trivial on GNU/Linux). Therefore, we have to try an alternate
mechanism to find the dynamic linker's base address. */
- TRY_CATCH (ex, RETURN_MASK_ALL)
+ TRY
{
tmp_bfd = solib_bfd_open (buf);
}
+ CATCH (ex, RETURN_MASK_ALL)
+ {
+ }
+ END_CATCH
+
if (tmp_bfd == NULL)
{
enable_break_failure_warning ();
return 0;
}
- status = frv_fdpic_loadmap_addresses (target_gdbarch,
+ status = frv_fdpic_loadmap_addresses (target_gdbarch (),
&interp_loadmap_addr, 0);
if (status < 0)
{
warning (_("Unable to determine dynamic linker loadmap address."));
enable_break_failure_warning ();
- bfd_close (tmp_bfd);
+ gdb_bfd_unref (tmp_bfd);
return 0;
}
warning (_("Unable to load dynamic linker loadmap at address %s."),
hex_string_custom (interp_loadmap_addr, 8));
enable_break_failure_warning ();
- bfd_close (tmp_bfd);
+ gdb_bfd_unref (tmp_bfd);
return 0;
}
warning (_("Could not find symbol _dl_debug_addr "
"in dynamic linker"));
enable_break_failure_warning ();
- bfd_close (tmp_bfd);
+ gdb_bfd_unref (tmp_bfd);
return 0;
}
"(at address %s) from dynamic linker"),
hex_string_custom (addr + 8, 8));
enable_break_failure_warning ();
- bfd_close (tmp_bfd);
+ gdb_bfd_unref (tmp_bfd);
return 0;
}
addr = extract_unsigned_integer (addr_buf, sizeof addr_buf, byte_order);
"(at address %s) from dynamic linker"),
hex_string_custom (addr, 8));
enable_break_failure_warning ();
- bfd_close (tmp_bfd);
+ gdb_bfd_unref (tmp_bfd);
return 0;
}
addr = extract_unsigned_integer (addr_buf, sizeof addr_buf, byte_order);
/* We're done with the temporary bfd. */
- bfd_close (tmp_bfd);
+ gdb_bfd_unref (tmp_bfd);
/* We're also done with the loadmap. */
xfree (ldm);
remove_solib_event_breakpoints ();
/* Now (finally!) create the solib breakpoint. */
- create_solib_event_breakpoint (target_gdbarch, addr);
+ create_solib_event_breakpoint (target_gdbarch (), addr);
enable_break2_done = 1;
enable_break (void)
{
asection *interp_sect;
+ CORE_ADDR entry_point;
if (symfile_objfile == NULL)
{
return 0;
}
- if (!symfile_objfile->ei.entry_point_p)
+ if (!entry_point_address_query (&entry_point))
{
if (solib_frv_debug)
fprintf_unfiltered (gdb_stdlog,
return 0;
}
- create_solib_event_breakpoint (target_gdbarch,
- symfile_objfile->ei.entry_point);
+ create_solib_event_breakpoint (target_gdbarch (), entry_point);
if (solib_frv_debug)
fprintf_unfiltered (gdb_stdlog,
"enable_break: solib event breakpoint "
"placed at entry point: %s\n",
- hex_string_custom (symfile_objfile->ei.entry_point,
- 8));
+ hex_string_custom (entry_point, 8));
return 1;
}
int changed;
struct obj_section *osect;
- status = frv_fdpic_loadmap_addresses (target_gdbarch,
+ status = frv_fdpic_loadmap_addresses (target_gdbarch (),
&interp_addr, &exec_addr);
if (status < 0 || (exec_addr == 0 && interp_addr == 0))
int osect_idx;
int seg;
- osect_idx = osect->the_bfd_section->index;
+ osect_idx = osect - symfile_objfile->sections;
/* Current address of section. */
addr = obj_section_addr (osect);
static CORE_ADDR
main_got (void)
{
- struct minimal_symbol *got_sym;
+ struct bound_minimal_symbol got_sym;
got_sym = lookup_minimal_symbol ("_GLOBAL_OFFSET_TABLE_",
NULL, symfile_objfile);
- if (got_sym == 0)
+ if (got_sym.minsym == 0)
return 0;
- return SYMBOL_VALUE_ADDRESS (got_sym);
+ return BMSYMBOL_VALUE_ADDRESS (got_sym);
}
/* Find the global pointer for the given function address ADDR. */
/* Forward declarations for frv_fdpic_find_canonical_descriptor(). */
static CORE_ADDR find_canonical_descriptor_in_load_object
- (CORE_ADDR, CORE_ADDR, char *, bfd *, struct lm_info *);
+ (CORE_ADDR, CORE_ADDR, const char *, bfd *, struct lm_info *);
/* Given a function entry point, attempt to find the canonical descriptor
associated with that entry point. Return 0 if no canonical descriptor
CORE_ADDR
frv_fdpic_find_canonical_descriptor (CORE_ADDR entry_point)
{
- char *name;
+ const char *name;
CORE_ADDR addr;
CORE_ADDR got_value;
struct int_elf32_fdpic_loadmap *ldm = 0;
struct symbol *sym;
- int status;
- CORE_ADDR exec_loadmap_addr;
/* Fetch the corresponding global pointer for the entry point. */
got_value = frv_fdpic_find_global_pointer (entry_point);
static CORE_ADDR
find_canonical_descriptor_in_load_object
- (CORE_ADDR entry_point, CORE_ADDR got_value, char *name, bfd *abfd,
+ (CORE_ADDR entry_point, CORE_ADDR got_value, const char *name, bfd *abfd,
struct lm_info *lm)
{
- enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
+ enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ());
arelent *rel;
unsigned int i;
CORE_ADDR addr = 0;
frv_so_ops.bfd_open = solib_bfd_open;
/* Debug this file's internals. */
- add_setshow_zinteger_cmd ("solib-frv", class_maintenance,
- &solib_frv_debug, _("\
+ add_setshow_zuinteger_cmd ("solib-frv", class_maintenance,
+ &solib_frv_debug, _("\
Set internal debugging of shared library code for FR-V."), _("\
Show internal debugging of shared library code for FR-V."), _("\
When non-zero, FR-V solib specific internal debugging is enabled."),
- NULL,
- NULL, /* FIXME: i18n: */
- &setdebuglist, &showdebuglist);
+ NULL,
+ NULL, /* FIXME: i18n: */
+ &setdebuglist, &showdebuglist);
}
projects / deliverable / binutils-gdb.git / blobdiff