/* Shared library support for IRIX.
- Copyright (C) 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2004,
- 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+ Copyright (C) 1993-2013 Free Software Foundation, Inc.
This file was created using portions of irix5-nat.c originally
contributed to GDB by Ian Lance Taylor.
static struct lm_info
fetch_lm_info (CORE_ADDR addr)
{
- enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
+ enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ());
struct lm_info li;
union irix_obj_info buf;
if (extract_unsigned_integer (buf.magic.b, sizeof (buf.magic), byte_order)
!= 0xffffffff)
{
- /* Use buf.ol32... */
+ /* Use buf.ol32... */
char obj_buf[432];
CORE_ADDR obj_addr = extract_mips_address (&buf.ol32.data,
sizeof (buf.ol32.data),
static void *base_breakpoint;
-static CORE_ADDR debug_base; /* Base of dynamic linker structures */
+static CORE_ADDR debug_base; /* Base of dynamic linker structures. */
-/*
-
- LOCAL FUNCTION
-
- locate_base -- locate the base address of dynamic linker structs
-
- SYNOPSIS
-
- CORE_ADDR locate_base (void)
-
- DESCRIPTION
+/* Locate the base address of dynamic linker structs.
For both the SunOS and SVR4 shared library implementations, if the
inferior executable has been linked dynamically, there is a single
we need to find this address. We may be stopped on the first instruc-
tion of the interpreter (C shared library), the first instruction of
the executable itself, or somewhere else entirely (if we attached
- to the process for example).
-
- */
+ to the process for example). */
static CORE_ADDR
locate_base (void)
return (address);
}
-/*
-
- LOCAL FUNCTION
-
- disable_break -- remove the "mapping changed" breakpoint
-
- SYNOPSIS
-
- static int disable_break ()
-
- DESCRIPTION
+/* Remove the "mapping changed" breakpoint.
Removes the breakpoint that gets hit when the dynamic linker
- completes a mapping change.
-
- */
+ completes a mapping change. */
static int
disable_break (void)
int status = 1;
/* Note that breakpoint address and original contents are in our address
- space, so we just need to write the original contents back. */
+ space, so we just need to write the original contents back. */
- if (deprecated_remove_raw_breakpoint (target_gdbarch, base_breakpoint) != 0)
+ if (deprecated_remove_raw_breakpoint (target_gdbarch (), base_breakpoint) != 0)
{
status = 0;
}
return (status);
}
-/*
-
- LOCAL FUNCTION
-
- enable_break -- arrange for dynamic linker to hit breakpoint
-
- SYNOPSIS
-
- int enable_break (void)
-
- DESCRIPTION
+/* Arrange for dynamic linker to hit breakpoint.
This functions inserts a breakpoint at the entry point of the
- main executable, where all shared libraries are mapped in.
- */
+ main executable, where all shared libraries are mapped in. */
static int
enable_break (void)
if (!entry_point_address_query (&entry_point))
return 0;
- base_breakpoint = deprecated_insert_raw_breakpoint (target_gdbarch,
+ base_breakpoint = deprecated_insert_raw_breakpoint (target_gdbarch (),
aspace, entry_point);
if (base_breakpoint != NULL)
return 0;
}
-/*
-
- LOCAL FUNCTION
-
- irix_solib_create_inferior_hook -- shared library startup support
-
- SYNOPSIS
-
- void solib_create_inferior_hook (int from_tty)
-
- DESCRIPTION
-
- When gdb starts up the inferior, it nurses it along (through the
- shell) until it is ready to execute it's first instruction. At this
- point, this function gets called via expansion of the macro
- SOLIB_CREATE_INFERIOR_HOOK.
+/* Implement the "create_inferior_hook" target_solib_ops method.
For SunOS executables, this first instruction is typically the
one at "_start", or a similar text label, regardless of whether
handling will probably have to wait until the implementation is
changed to use the "breakpoint handler function" method.
- Also, what if child has exit()ed? Must exit loop somehow.
- */
+ Also, what if child has exit()ed? Must exit loop somehow. */
static void
irix_solib_create_inferior_hook (int from_tty)
/* Now run the target. It will eventually hit the breakpoint, at
which point all of the libraries will have been mapped in and we
can go groveling around in the dynamic linker structures to find
- out what we need to know about them. */
+ out what we need to know about them. */
tp = inferior_thread ();
clear_proceed_status ();
inf->control.stop_soon = STOP_QUIETLY;
- tp->suspend.stop_signal = TARGET_SIGNAL_0;
+ tp->suspend.stop_signal = GDB_SIGNAL_0;
do
{
target_resume (pid_to_ptid (-1), 0, tp->suspend.stop_signal);
- wait_for_inferior (0);
+ wait_for_inferior ();
}
- while (tp->suspend.stop_signal != TARGET_SIGNAL_TRAP);
+ while (tp->suspend.stop_signal != GDB_SIGNAL_TRAP);
/* We are now either at the "mapping complete" breakpoint (or somewhere
else, a condition we aren't prepared to deal with anyway), so adjust
the PC as necessary after a breakpoint, disable the breakpoint, and
- add any shared libraries that were mapped in. */
+ add any shared libraries that were mapped in. */
if (!disable_break ())
{
inf->control.stop_soon = NO_STOP_QUIETLY;
}
-/* LOCAL FUNCTION
-
- current_sos -- build a list of currently loaded shared objects
-
- SYNOPSIS
-
- struct so_list *current_sos ()
-
- DESCRIPTION
-
- Build a list of `struct so_list' objects describing the shared
- objects currently loaded in the inferior. This list does not
- include an entry for the main executable file.
-
- Note that we only gather information directly available from the
- inferior --- we don't examine any of the shared library files
- themselves. The declaration of `struct so_list' says which fields
- we provide values for. */
+/* Implement the "current_sos" target_so_ops method. */
static struct so_list *
irix_current_sos (void)
{
- enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
- int addr_size = gdbarch_addr_bit (target_gdbarch) / TARGET_CHAR_BIT;
+ enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ());
+ int addr_size = gdbarch_addr_bit (target_gdbarch ()) / TARGET_CHAR_BIT;
CORE_ADDR lma;
char addr_buf[8];
struct so_list *head = 0;
if (name_size >= SO_NAME_MAX_PATH_SIZE)
{
name_size = SO_NAME_MAX_PATH_SIZE - 1;
- warning ("current_sos: truncating name of "
- "%d characters to only %d characters",
+ warning (_("current_sos: truncating name of "
+ "%d characters to only %d characters"),
lm.pathname_len, name_size);
}
return head;
}
-/*
-
- LOCAL FUNCTION
-
- irix_open_symbol_file_object
-
- SYNOPSIS
-
- void irix_open_symbol_file_object (void *from_tty)
+/* Implement the "open_symbol_file_object" target_so_ops method.
- DESCRIPTION
-
- If no open symbol file, attempt to locate and open the main symbol
- file. On IRIX, this is the first link map entry. If its name is
- here, we can open it. Useful when attaching to a process without
- first loading its symbol file.
-
- If FROM_TTYP dereferences to a non-zero integer, allow messages to
- be printed. This parameter is a pointer rather than an int because
- open_symbol_file_object() is called via catch_errors() and
- catch_errors() requires a pointer argument. */
+ If no open symbol file, attempt to locate and open the main symbol
+ file. On IRIX, this is the first link map entry. If its name is
+ here, we can open it. Useful when attaching to a process without
+ first loading its symbol file. */
static int
irix_open_symbol_file_object (void *from_ttyp)
{
- enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
- int addr_size = gdbarch_addr_bit (target_gdbarch) / TARGET_CHAR_BIT;
+ enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ());
+ int addr_size = gdbarch_addr_bit (target_gdbarch ()) / TARGET_CHAR_BIT;
CORE_ADDR lma;
char addr_buf[8];
struct lm_info lm;
return 1;
}
+/* Implement the "special_symbol_handling" target_so_ops method.
-/*
-
- LOCAL FUNCTION
-
- irix_special_symbol_handling -- additional shared library symbol handling
-
- SYNOPSIS
-
- void irix_special_symbol_handling ()
-
- DESCRIPTION
-
- Once the symbols from a shared object have been loaded in the usual
- way, we are called to do any system specific symbol handling that
- is needed.
-
- For SunOS4, this consisted of grunging around in the dynamic
- linkers structures to find symbol definitions for "common" symbols
- and adding them to the minimal symbol table for the runtime common
- objfile.
-
- However, for IRIX, there's nothing to do.
-
- */
+ For IRIX, there's nothing to do. */
static void
irix_special_symbol_handling (void)
projects / external / binutils.git / blobdiff