/* Find a variable's value in memory, for GDB, the GNU debugger.
Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2007, 2008
+ 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2007, 2008, 2009
Free Software Foundation, Inc.
This file is part of GDB.
#include "regcache.h"
#include "user-regs.h"
#include "block.h"
+#include "objfiles.h"
/* Basic byte-swapping routines. GDB has needed these for a long time...
All extract a target-format integer at ADDR which is LEN bytes long. */
/* All cases listed explicitly so that gcc -Wall will detect it if
we failed to consider one. */
case LOC_COMPUTED:
- case LOC_COMPUTED_ARG:
/* FIXME: cagney/2004-01-26: It should be possible to
unconditionally call the SYMBOL_OPS method when available.
Unfortunately DWARF 2 stores the frame-base (instead of the
case LOC_REGISTER:
case LOC_ARG:
case LOC_REF_ARG:
- case LOC_REGPARM:
case LOC_REGPARM_ADDR:
case LOC_LOCAL:
- case LOC_LOCAL_ARG:
- case LOC_BASEREG:
- case LOC_BASEREG_ARG:
- case LOC_HP_THREAD_LOCAL_STATIC:
return 1;
case LOC_UNDEF:
case LOC_CONST:
case LOC_STATIC:
- case LOC_INDIRECT:
case LOC_TYPEDEF:
case LOC_LABEL:
int len;
if (SYMBOL_CLASS (var) == LOC_COMPUTED
- || SYMBOL_CLASS (var) == LOC_COMPUTED_ARG
- || SYMBOL_CLASS (var) == LOC_REGISTER
- || SYMBOL_CLASS (var) == LOC_REGPARM)
+ || SYMBOL_CLASS (var) == LOC_REGISTER)
/* These cases do not use V. */
v = NULL;
else
{
CORE_ADDR addr
= symbol_overlayed_address (SYMBOL_VALUE_ADDRESS (var),
- SYMBOL_BFD_SECTION (var));
+ SYMBOL_OBJ_SECTION (var));
store_typed_address (value_contents_raw (v), type, addr);
}
else
case LOC_STATIC:
if (overlay_debugging)
addr = symbol_overlayed_address (SYMBOL_VALUE_ADDRESS (var),
- SYMBOL_BFD_SECTION (var));
+ SYMBOL_OBJ_SECTION (var));
else
addr = SYMBOL_VALUE_ADDRESS (var);
break;
- case LOC_INDIRECT:
- {
- /* The import slot does not have a real address in it from the
- dynamic loader (dld.sl on HP-UX), if the target hasn't
- begun execution yet, so check for that. */
- CORE_ADDR locaddr;
- struct value *loc;
- if (!target_has_execution)
- error (_("\
-Attempt to access variable defined in different shared object or load module when\n\
-addresses have not been bound by the dynamic loader. Try again when executable is running."));
-
- locaddr = SYMBOL_VALUE_ADDRESS (var);
- loc = value_at (lookup_pointer_type (type), locaddr);
- addr = value_as_address (loc);
- break;
- }
-
case LOC_ARG:
if (frame == NULL)
return 0;
}
case LOC_LOCAL:
- case LOC_LOCAL_ARG:
if (frame == NULL)
return 0;
addr = get_frame_locals_address (frame);
addr += SYMBOL_VALUE (var);
break;
- case LOC_BASEREG:
- case LOC_BASEREG_ARG:
- case LOC_HP_THREAD_LOCAL_STATIC:
- {
- struct value *regval;
-
- regval = value_from_register (lookup_pointer_type (type),
- SYMBOL_BASEREG (var), frame);
- if (regval == NULL)
- error (_("Value of base register not available."));
- addr = value_as_address (regval);
- addr += SYMBOL_VALUE (var);
- break;
- }
-
case LOC_TYPEDEF:
error (_("Cannot look up value of a typedef"));
break;
case LOC_BLOCK:
if (overlay_debugging)
VALUE_ADDRESS (v) = symbol_overlayed_address
- (BLOCK_START (SYMBOL_BLOCK_VALUE (var)), SYMBOL_BFD_SECTION (var));
+ (BLOCK_START (SYMBOL_BLOCK_VALUE (var)), SYMBOL_OBJ_SECTION (var));
else
VALUE_ADDRESS (v) = BLOCK_START (SYMBOL_BLOCK_VALUE (var));
return v;
case LOC_REGISTER:
- case LOC_REGPARM:
case LOC_REGPARM_ADDR:
{
- struct block *b;
int regno = SYMBOL_VALUE (var);
struct value *regval;
if (frame == NULL)
return 0;
- b = get_frame_block (frame, 0);
if (SYMBOL_CLASS (var) == LOC_REGPARM_ADDR)
{
break;
case LOC_COMPUTED:
- case LOC_COMPUTED_ARG:
/* FIXME: cagney/2004-01-26: It should be possible to
unconditionally call the SYMBOL_OPS method when available.
Unfortunately DWARF 2 stores the frame-base (instead of the
case LOC_UNRESOLVED:
{
struct minimal_symbol *msym;
+ struct obj_section *obj_section;
- msym = lookup_minimal_symbol (DEPRECATED_SYMBOL_NAME (var), NULL, NULL);
+ msym = lookup_minimal_symbol (SYMBOL_LINKAGE_NAME (var), NULL, NULL);
if (msym == NULL)
return 0;
if (overlay_debugging)
addr = symbol_overlayed_address (SYMBOL_VALUE_ADDRESS (msym),
- SYMBOL_BFD_SECTION (msym));
+ SYMBOL_OBJ_SECTION (msym));
else
addr = SYMBOL_VALUE_ADDRESS (msym);
+
+ obj_section = SYMBOL_OBJ_SECTION (msym);
+ if (obj_section
+ && (obj_section->the_bfd_section->flags & SEC_THREAD_LOCAL) != 0)
+ addr = target_translate_tls_address (obj_section->objfile, addr);
}
break;
struct value *
locate_var_value (struct symbol *var, struct frame_info *frame)
{
- struct gdbarch *gdbarch = get_frame_arch (frame);
+ struct gdbarch *gdbarch;
CORE_ADDR addr = 0;
struct type *type = SYMBOL_TYPE (var);
struct value *lazy_value;
switch (VALUE_LVAL (lazy_value))
{
case lval_register:
+ gdb_assert (frame);
+ gdbarch = get_frame_arch (frame);
gdb_assert (gdbarch_register_name
(gdbarch, VALUE_REGNUM (lazy_value)) != NULL
&& *gdbarch_register_name
projects / binutils-gdb.git / blobdiff